sessionmanager.lib.php 215 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * Class SessionManager
  5. *
  6. * This is the session library for Chamilo.
  7. * All main sessions functions should be placed here.
  8. * This class provides methods for sessions management.
  9. * Include/require it in your code to use its features.
  10. *
  11. * @package chamilo.library
  12. *
  13. */
  14. class SessionManager
  15. {
  16. public static $_debug = false;
  17. /**
  18. * Constructor
  19. */
  20. public function __construct()
  21. {
  22. }
  23. /**
  24. * Fetches a session from the database
  25. * @param int $id Session Id
  26. *
  27. * @return array Session details
  28. */
  29. public static function fetch($id)
  30. {
  31. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  32. if ($id != strval(intval($id))) {
  33. return array();
  34. }
  35. $s = "SELECT * FROM $t WHERE id = $id";
  36. $r = Database::query($s);
  37. if (Database::num_rows($r) != 1) {
  38. return array();
  39. }
  40. return Database::fetch_array($r, 'ASSOC');
  41. }
  42. /**
  43. * Create a session
  44. * @author Carlos Vargas <carlos.vargas@beeznest.com>, from existing code
  45. * @param string name
  46. * @param integer Start year (yyyy)
  47. * @param integer Start month (mm)
  48. * @param integer Start day (dd)
  49. * @param integer End year (yyyy)
  50. * @param integer End month (mm)
  51. * @param integer End day (dd)
  52. * @param integer Number of days that the coach can access the session before the start date
  53. * @param integer Number of days that the coach can access the session after the end date
  54. * @param integer If 1, means there are no date limits
  55. * @param mixed If integer, this is the session coach id, if string, the coach ID will be looked for from the user table
  56. * @param integer ID of the session category in which this session is registered
  57. * @param integer Visibility after end date (0 = read-only, 1 = invisible, 2 = accessible)
  58. * @param string Start limit = true if the start date has to be considered
  59. * @param string End limit = true if the end date has to be considered
  60. * @param string $fix_name
  61. * @todo use an array to replace all this parameters or use the model.lib.php ...
  62. * @return mixed Session ID on success, error message otherwise
  63. * */
  64. public static function create_session(
  65. $sname,
  66. $syear_start,
  67. $smonth_start,
  68. $sday_start,
  69. $syear_end,
  70. $smonth_end,
  71. $sday_end,
  72. $snb_days_acess_before,
  73. $snb_days_acess_after,
  74. $nolimit,
  75. $coach_username,
  76. $id_session_category,
  77. $id_visibility,
  78. $start_limit = true,
  79. $end_limit = true,
  80. $fix_name = false,
  81. $duration = null,
  82. $showDescription = null
  83. ) {
  84. global $_configuration;
  85. //Check portal limits
  86. $access_url_id = 1;
  87. if (api_get_multiple_access_url()) {
  88. $access_url_id = api_get_current_access_url_id();
  89. }
  90. if (is_array($_configuration[$access_url_id]) &&
  91. isset($_configuration[$access_url_id]['hosting_limit_sessions']) &&
  92. $_configuration[$access_url_id]['hosting_limit_sessions'] > 0
  93. ) {
  94. $num = self::count_sessions();
  95. if ($num >= $_configuration[$access_url_id]['hosting_limit_sessions']) {
  96. api_warn_hosting_contact('hosting_limit_sessions');
  97. return get_lang('PortalSessionsLimitReached');
  98. }
  99. }
  100. $name = Database::escape_string(trim($sname));
  101. $year_start = intval($syear_start);
  102. $month_start = intval($smonth_start);
  103. $day_start = intval($sday_start);
  104. $year_end = intval($syear_end);
  105. $month_end = intval($smonth_end);
  106. $day_end = intval($sday_end);
  107. $nb_days_acess_before = intval($snb_days_acess_before);
  108. $nb_days_acess_after = intval($snb_days_acess_after);
  109. $id_session_category = intval($id_session_category);
  110. $id_visibility = intval($id_visibility);
  111. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  112. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  113. if (is_int($coach_username)) {
  114. $id_coach = $coach_username;
  115. } else {
  116. $sql = 'SELECT user_id FROM ' . $tbl_user . ' WHERE username="' . Database::escape_string($coach_username) . '"';
  117. $rs = Database::query($sql);
  118. $id_coach = Database::result($rs, 0, 'user_id');
  119. }
  120. if (empty($nolimit)) {
  121. $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
  122. $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
  123. } else {
  124. $id_visibility = 1; // by default session visibility is read only
  125. $date_start = "0000-00-00";
  126. $date_end = "0000-00-00";
  127. }
  128. if (empty($end_limit)) {
  129. $date_end = "0000-00-00";
  130. $id_visibility = 1; // by default session visibility is read only
  131. }
  132. if (empty($start_limit)) {
  133. $date_start = "0000-00-00";
  134. }
  135. if (empty($name)) {
  136. $msg = get_lang('SessionNameIsRequired');
  137. return $msg;
  138. } elseif (empty($coach_username)) {
  139. $msg = get_lang('CoachIsRequired');
  140. return $msg;
  141. } elseif (!empty($start_limit) && empty($nolimit) && (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start))) {
  142. $msg = get_lang('InvalidStartDate');
  143. return $msg;
  144. } elseif (!empty($end_limit) && empty($nolimit) && (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end))) {
  145. $msg = get_lang('InvalidEndDate');
  146. return $msg;
  147. } elseif (!empty($start_limit) && !empty($end_limit) && empty($nolimit) && $date_start >= $date_end) {
  148. $msg = get_lang('StartDateShouldBeBeforeEndDate');
  149. return $msg;
  150. } else {
  151. $ready_to_create = false;
  152. if ($fix_name) {
  153. $name = self::generate_nice_next_session_name($name);
  154. if ($name) {
  155. $ready_to_create = true;
  156. } else {
  157. $msg = get_lang('SessionNameAlreadyExists');
  158. return $msg;
  159. }
  160. } else {
  161. $rs = Database::query("SELECT 1 FROM $tbl_session WHERE name='" . $name . "'");
  162. if (Database::num_rows($rs)) {
  163. $msg = get_lang('SessionNameAlreadyExists');
  164. return $msg;
  165. }
  166. $ready_to_create = true;
  167. }
  168. if ($ready_to_create) {
  169. $sql = "INSERT INTO $tbl_session(name,date_start,date_end,id_coach,session_admin_id, nb_days_access_before_beginning, nb_days_access_after_end, session_category_id,visibility)
  170. VALUES('" . $name . "','$date_start','$date_end','$id_coach'," . api_get_user_id() . "," . $nb_days_acess_before . ", " . $nb_days_acess_after . ", " . $id_session_category . ", " . $id_visibility . ")";
  171. Database::query($sql);
  172. $session_id = Database::insert_id();
  173. if (self::durationPerUserIsEnabled()) {
  174. $duration = intval($duration);
  175. if (empty($duration)) {
  176. $duration = null;
  177. } else {
  178. $sql = "UPDATE $tbl_session SET
  179. date_start = '0000-00-00',
  180. date_end = '0000-00-00'
  181. WHERE id = $session_id";
  182. Database::query($sql);
  183. }
  184. $sql = "UPDATE $tbl_session
  185. SET duration = '$duration'
  186. WHERE id = $session_id";
  187. Database::query($sql);
  188. }
  189. if (!is_null($showDescription)) {
  190. $showDescription = intval($showDescription);
  191. $sql = "UPDATE $tbl_session
  192. SET show_description = '$showDescription'
  193. WHERE id = $session_id";
  194. Database::query($sql);
  195. }
  196. if (!empty($session_id)) {
  197. /*
  198. Sends a message to the user_id = 1
  199. $user_info = api_get_user_info(1);
  200. $complete_name = $user_info['firstname'].' '.$user_info['lastname'];
  201. $subject = api_get_setting('siteName').' - '.get_lang('ANewSessionWasCreated');
  202. $message = get_lang('ANewSessionWasCreated')." <br /> ".get_lang('NameOfTheSession').' : '.$name;
  203. api_mail_html($complete_name, $user_info['email'], $subject, $message);
  204. *
  205. */
  206. //Adding to the correct URL
  207. $access_url_id = api_get_current_access_url_id();
  208. UrlManager::add_session_to_url($session_id, $access_url_id);
  209. // add event to system log
  210. $user_id = api_get_user_id();
  211. event_system(LOG_SESSION_CREATE, LOG_SESSION_ID, $session_id, api_get_utc_datetime(), $user_id);
  212. }
  213. return $session_id;
  214. }
  215. }
  216. }
  217. /**
  218. * @param string $name
  219. * @return bool
  220. */
  221. public static function session_name_exists($name)
  222. {
  223. $name = Database::escape_string($name);
  224. $sql = "SELECT COUNT(*) as count FROM " . Database::get_main_table(TABLE_MAIN_SESSION) . "
  225. WHERE name = '$name'";
  226. $result = Database::fetch_array(Database::query($sql));
  227. return $result['count'] > 0;
  228. }
  229. /**
  230. * @param string $where_condition
  231. * @return mixed
  232. */
  233. public static function get_count_admin($where_condition = null)
  234. {
  235. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  236. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  237. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  238. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  239. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  240. $where = 'WHERE 1=1 ';
  241. $user_id = api_get_user_id();
  242. $extraJoin = null;
  243. if (api_is_session_admin() &&
  244. api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false'
  245. ) {
  246. $where .= " AND (
  247. s.session_admin_id = $user_id OR
  248. sru.id_user = '$user_id' AND
  249. sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "'
  250. )
  251. ";
  252. $extraJoin = " INNER JOIN $tbl_session_rel_user sru
  253. ON sru.id_session = s.id ";
  254. }
  255. $today = api_get_utc_datetime();
  256. $today = api_strtotime($today, 'UTC');
  257. $today = date('Y-m-d', $today);
  258. if (!empty($where_condition)) {
  259. $where_condition = str_replace("( session_active = ':' )", '1=1', $where_condition);
  260. $where_condition = str_replace('category_name', 'sc.name', $where_condition);
  261. $where_condition = str_replace(
  262. array("AND session_active = '1' )", " AND ( session_active = '1' )"),
  263. array(') GROUP BY s.name HAVING session_active = 1 ', " GROUP BY s.name HAVING session_active = 1 " )
  264. , $where_condition
  265. );
  266. $where_condition = str_replace(
  267. array("AND session_active = '0' )", " AND ( session_active = '0' )"),
  268. array(') GROUP BY s.name HAVING session_active = 0 ', " GROUP BY s.name HAVING session_active = '0' "),
  269. $where_condition
  270. );
  271. } else {
  272. $where_condition = " AND 1 = 1";
  273. }
  274. $courseCondition = null;
  275. if (strpos($where_condition, 'c.id')) {
  276. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  277. $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
  278. $courseCondition = " INNER JOIN $table course_rel_session ON (s.id = course_rel_session.id_session)
  279. INNER JOIN $tableCourse c ON (course_rel_session.course_code = c.code)
  280. ";
  281. }
  282. $sql = "SELECT COUNT(id) as total_rows FROM (
  283. SELECT DISTINCT
  284. IF (
  285. (s.date_start <= '$today' AND '$today' <= s.date_end) OR
  286. (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start, '$today') <= s.nb_days_access_before_beginning) OR
  287. (s.nb_days_access_after_end > 0 AND DATEDIFF('$today',s.date_end) <= s.nb_days_access_after_end) OR
  288. (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
  289. (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
  290. ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
  291. , 1, 0) as session_active,
  292. s.id
  293. FROM $tbl_session s
  294. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  295. INNER JOIN $tbl_user u ON s.id_coach = u.user_id
  296. $courseCondition
  297. $extraJoin
  298. $where $where_condition ) as session_table";
  299. if (api_is_multiple_url_enabled()) {
  300. $access_url_id = api_get_current_access_url_id();
  301. if ($access_url_id != -1) {
  302. $where.= " AND ar.access_url_id = $access_url_id ";
  303. $sql = "SELECT count(id) as total_rows FROM (
  304. SELECT DISTINCT
  305. IF (
  306. (s.date_start <= '$today' AND '$today' <= s.date_end) OR
  307. (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start, '$today') <= s.nb_days_access_before_beginning) OR
  308. (s.nb_days_access_after_end > 0 AND DATEDIFF('$today',s.date_end) <= s.nb_days_access_after_end) OR
  309. (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
  310. (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
  311. ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
  312. , 1, 0)
  313. as session_active,
  314. s.id
  315. FROM $tbl_session s
  316. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  317. INNER JOIN $tbl_user u ON s.id_coach = u.user_id
  318. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  319. $courseCondition
  320. $extraJoin
  321. $where $where_condition) as session_table";
  322. }
  323. }
  324. $result_rows = Database::query($sql);
  325. $row = Database::fetch_array($result_rows);
  326. $num = $row['total_rows'];
  327. return $num;
  328. }
  329. /**
  330. * Gets the admin session list callback of the admin/session_list.php page
  331. * @param array $options order and limit keys
  332. * @return array
  333. */
  334. public static function get_sessions_admin($options)
  335. {
  336. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  337. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  338. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  339. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  340. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  341. $where = ' WHERE 1=1 ';
  342. $user_id = api_get_user_id();
  343. $extraJoin = null;
  344. if (api_is_session_admin() &&
  345. api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false'
  346. ) {
  347. $where .= " AND (
  348. s.session_admin_id = $user_id OR
  349. sru.id_user = '$user_id' AND
  350. sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "'
  351. )
  352. ";
  353. $extraJoin = " INNER JOIN $tbl_session_rel_user sru
  354. ON sru.id_session = s.id ";
  355. }
  356. if (api_is_allowed_to_edit() && !api_is_platform_admin()) {
  357. $where.=" AND s.id_coach = $user_id ";
  358. }
  359. $coach_name = " CONCAT(u.lastname , ' ', u.firstname) as coach_name ";
  360. if (api_is_western_name_order()) {
  361. $coach_name = " CONCAT(u.firstname, ' ', u.lastname) as coach_name ";
  362. }
  363. $options['where'] = str_replace(
  364. array("AND session_active = '1' )", " AND ( session_active = '1' )"),
  365. array(') GROUP BY s.name HAVING session_active = 1 ', " GROUP BY s.name HAVING session_active = 1 ")
  366. , $options['where']
  367. );
  368. $options['where'] = str_replace("( session_active = ':' )", '1=1', $options['where']);
  369. $options['where'] = str_replace(
  370. array("AND session_active = '0' )", " AND ( session_active = '0' )"),
  371. array(') GROUP BY s.name HAVING session_active = 0 ', " GROUP BY s.name HAVING session_active = '0' "),
  372. $options['where']
  373. );
  374. $today = api_get_utc_datetime();
  375. $today = api_strtotime($today, 'UTC');
  376. $today = date('Y-m-d', $today);
  377. $courseCondition = null;
  378. if (strpos($options['where'], 'c.id')) {
  379. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  380. $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
  381. $courseCondition = " INNER JOIN $table course_rel_session ON (s.id = course_rel_session.id_session)
  382. INNER JOIN $tableCourse c ON (course_rel_session.course_code = c.code)
  383. ";
  384. }
  385. $select = "SELECT * FROM (SELECT
  386. IF (
  387. (s.date_start <= '$today' AND '$today' <= s.date_end) OR
  388. (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start,'" . $today . "' " . ") <= s.nb_days_access_before_beginning) OR
  389. (s.nb_days_access_after_end > 0 AND DATEDIFF('" . $today . "',s.date_end) <= s.nb_days_access_after_end) OR
  390. (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
  391. (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
  392. ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
  393. , 1, 0)
  394. as session_active,
  395. s.name,
  396. nbr_courses,
  397. s.nbr_users,
  398. s.date_start,
  399. s.date_end,
  400. $coach_name,
  401. sc.name as category_name,
  402. s.visibility,
  403. u.user_id,
  404. s.id";
  405. $limit = null;
  406. if (!empty($options['limit'])) {
  407. $limit = " LIMIT " . $options['limit'];
  408. }
  409. if (!empty($options['where'])) {
  410. $where .= ' '.$options['where'];
  411. }
  412. $order = null;
  413. if (!empty($options['order'])) {
  414. $order = " ORDER BY " . $options['order'];
  415. }
  416. $query = "$select FROM $tbl_session s
  417. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  418. LEFT JOIN $tbl_user u ON s.id_coach = u.user_id
  419. $courseCondition
  420. $extraJoin
  421. $where $order $limit";
  422. if (api_is_multiple_url_enabled()) {
  423. $access_url_id = api_get_current_access_url_id();
  424. if ($access_url_id != -1) {
  425. $query = " $select
  426. FROM $tbl_session s
  427. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  428. LEFT JOIN $tbl_user u ON s.id_coach = u.user_id
  429. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id AND ar.access_url_id = $access_url_id
  430. $courseCondition
  431. $extraJoin
  432. $where $order $limit";
  433. }
  434. }
  435. $query .= ") AS session_table";
  436. $result = Database::query($query);
  437. $formatted_sessions = array();
  438. if (Database::num_rows($result)) {
  439. $sessions = Database::store_result($result);
  440. foreach ($sessions as $session) {
  441. $session['name'] = Display::url($session['name'], "resume_session.php?id_session=" . $session['id']);
  442. $session['coach_name'] = Display::url($session['coach_name'], "user_information.php?user_id=" . $session['user_id']);
  443. if ($session['date_start'] == '0000-00-00' && $session['date_end'] == '0000-00-00') {
  444. // $session['session_active'] = 1;
  445. }
  446. if ($session['session_active'] == 1) {
  447. $session['session_active'] = Display::return_icon('accept.png', get_lang('Active'), array(), ICON_SIZE_SMALL);
  448. } else {
  449. $session['session_active'] = Display::return_icon('error.png', get_lang('Inactive'), array(), ICON_SIZE_SMALL);
  450. }
  451. if ($session['date_start'] == '0000-00-00') {
  452. $session['date_start'] = '';
  453. }
  454. if ($session['date_end'] == '0000-00-00') {
  455. $session['date_end'] = '';
  456. }
  457. switch ($session['visibility']) {
  458. case SESSION_VISIBLE_READ_ONLY: //1
  459. $session['visibility'] = get_lang('SessionReadOnly');
  460. break;
  461. case SESSION_VISIBLE: //2
  462. $session['visibility'] = get_lang('SessionAccessible');
  463. break;
  464. case SESSION_INVISIBLE: //3
  465. $session['visibility'] = api_ucfirst(get_lang('SessionNotAccessible'));
  466. break;
  467. }
  468. $formatted_sessions[] = $session;
  469. }
  470. }
  471. return $formatted_sessions;
  472. }
  473. /**
  474. * Get total of records for progress of learning paths in the given session
  475. * @param int session id
  476. * @return int
  477. */
  478. public static function get_count_session_lp_progress($sessionId = 0)
  479. {
  480. $tbl_lp = Database::get_course_table(TABLE_LP_MAIN);
  481. $tbl_lp_view = Database::get_course_table(TABLE_LP_VIEW);
  482. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  483. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  484. $sessionId = intval($sessionId);
  485. $sql = "SELECT count(*) as total_rows
  486. FROM $tbl_lp_view v
  487. INNER JOIN $tbl_lp l ON l.id = v.lp_id
  488. INNER JOIN $tbl_user u ON u.user_id = v.user_id
  489. INNER JOIN $tbl_course c
  490. WHERE v.session_id = " . $sessionId;
  491. $result_rows = Database::query($sql);
  492. $row = Database::fetch_array($result_rows);
  493. $num = $row['total_rows'];
  494. return $num;
  495. }
  496. /**
  497. * Gets the progress of learning paths in the given session
  498. * @param int session id
  499. * @param array options order and limit keys
  500. * @return array table with user name, lp name, progress
  501. */
  502. public static function get_session_lp_progress($sessionId = 0, $courseId = 0, $date_from, $date_to, $options)
  503. {
  504. //escaping vars
  505. $sessionId = $sessionId == 'T' ? 'T' : intval($sessionId);
  506. $courseId = intval($courseId);
  507. $date_from = Database :: escape_string($date_from);
  508. $date_to = Database :: escape_string($date_to);
  509. //tables
  510. $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  511. $user = Database::get_main_table(TABLE_MAIN_USER);
  512. $tbl_course_lp_view = Database::get_course_table(TABLE_LP_VIEW);
  513. $course = api_get_course_info_by_id($courseId);
  514. //getting all the students of the course
  515. //we are not using this because it only returns user ids
  516. /* if (empty($sessionId)
  517. {
  518. // Registered students in a course outside session.
  519. $users = CourseManager :: get_student_list_from_course_code($course_code);
  520. } else {
  521. // Registered students in session.
  522. $users = CourseManager :: get_student_list_from_course_code($course_code, true, $sessionId);
  523. } */
  524. $sessionCond = 'and id_session = %s';
  525. if ($sessionId == 'T') {
  526. $sessionCond = "";
  527. }
  528. $where = " WHERE course_code = '%s'
  529. AND s.status <> 2 $sessionCond";
  530. $limit = null;
  531. if (!empty($options['limit'])) {
  532. $limit = " LIMIT " . $options['limit'];
  533. }
  534. if (!empty($options['where'])) {
  535. $where .= ' '.$options['where'];
  536. }
  537. $order = null;
  538. if (!empty($options['order'])) {
  539. $order = " ORDER BY " . $options['order'];
  540. }
  541. $sql = "SELECT u.user_id, u.lastname, u.firstname, u.username, u.email, s.course_code
  542. FROM $session_course_user s
  543. INNER JOIN $user u ON u.user_id = s.id_user
  544. $where $order $limit";
  545. $sql_query = sprintf($sql, Database::escape_string($course['code']), $sessionId);
  546. $rs = Database::query($sql_query);
  547. while ($user = Database::fetch_array($rs)) {
  548. $users[$user['user_id']] = $user;
  549. }
  550. //Get lessons
  551. require_once api_get_path(SYS_CODE_PATH) . 'newscorm/learnpathList.class.php';
  552. $lessons = LearnpathList::get_course_lessons($course['code'], $sessionId);
  553. $table = array();
  554. foreach ($users as $user) {
  555. $data = array(
  556. 'lastname' => $user[1],
  557. 'firstname' => $user[2],
  558. 'username' => $user[3],
  559. );
  560. $sessionCond = 'AND v.session_id = %d';
  561. if ($sessionId == 'T') {
  562. $sessionCond = "";
  563. }
  564. //Get lessons progress by user
  565. $sql = "SELECT v.lp_id as id, v.progress
  566. FROM $tbl_course_lp_view v
  567. WHERE v.c_id = %d
  568. AND v.user_id = %d
  569. $sessionCond";
  570. $sql_query = sprintf($sql,
  571. intval($courseId),
  572. intval($user['user_id']),
  573. $sessionId
  574. );
  575. $result = Database::query($sql_query);
  576. $user_lessons = array();
  577. while ($row = Database::fetch_array($result)) {
  578. $user_lessons[$row['id']] = $row;
  579. }
  580. //Match course lessons with user progress
  581. $progress = 0;
  582. $count = 0;
  583. foreach ($lessons as $lesson) {
  584. $data[$lesson['id']] = (!empty($user_lessons[$lesson['id']]['progress'])) ? $user_lessons[$lesson['id']]['progress'] : 0;
  585. $progress += $data[$lesson['id']];
  586. $data[$lesson['id']] = $data[$lesson['id']] . '%';
  587. $count++;
  588. }
  589. if ($count == 0) {
  590. $data['total'] = 0;
  591. } else {
  592. $data['total'] = round($progress / $count, 2) . '%';
  593. }
  594. $table[] = $data;
  595. }
  596. return $table;
  597. }
  598. /**
  599. * Gets the survey answers
  600. * @param int session id
  601. * @param int course id
  602. * @param int survey id
  603. * @param array options order and limit keys
  604. * @todo fix the query
  605. * @return array table with user name, lp name, progress
  606. */
  607. public static function get_survey_overview($sessionId = 0, $courseId = 0, $surveyId = 0, $date_from, $date_to, $options)
  608. {
  609. //escaping vars
  610. $sessionId = intval($sessionId);
  611. $courseId = intval($courseId);
  612. $surveyId = intval($surveyId);
  613. $date_from = Database::escape_string($date_from);
  614. $date_to = Database::escape_string($date_to);
  615. //tables
  616. $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  617. $user = Database::get_main_table(TABLE_MAIN_USER);
  618. $tbl_course_lp_view = Database::get_course_table(TABLE_LP_VIEW);
  619. $c_survey = Database::get_course_table(TABLE_SURVEY);
  620. $c_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
  621. $c_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
  622. $c_survey_question_option = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
  623. $course = api_get_course_info_by_id($courseId);
  624. $where = " WHERE course_code = '%s' AND s.status <> 2 AND id_session = %s";
  625. $limit = null;
  626. if (!empty($options['limit'])) {
  627. $limit = " LIMIT " . $options['limit'];
  628. }
  629. if (!empty($options['where'])) {
  630. $where .= ' '.$options['where'];
  631. }
  632. $order = null;
  633. if (!empty($options['order'])) {
  634. $order = " ORDER BY " . $options['order'];
  635. }
  636. /* $where_survey = '';
  637. if (!empty($date_to) && !empty($date_from)) {
  638. $where_survey = sprintf(" AND s.avail_from >= '%s'
  639. AND s.avail_till <= '%s'", $date_from, $date_to);
  640. } */
  641. $sql = "SELECT u.user_id, u.lastname, u.firstname, u.username, u.email, s.course_code
  642. FROM $session_course_user s
  643. INNER JOIN $user u ON u.user_id = s.id_user
  644. $where $order $limit";
  645. $sql_query = sprintf($sql, Database::escape_string($course['code']), $sessionId);
  646. $rs = Database::query($sql_query);
  647. while ($user = Database::fetch_array($rs)) {
  648. $users[$user['user_id']] = $user;
  649. }
  650. //Get survey questions
  651. $questions = survey_manager::get_questions($surveyId, $courseId);
  652. //Survey is anonymous?
  653. $result = Database::query(sprintf("SELECT anonymous FROM $c_survey WHERE survey_id = %d", $surveyId));
  654. $row = Database::fetch_array($result);
  655. $anonymous = ($row['anonymous'] == 1) ? true : false;
  656. $table = array();
  657. foreach ($users as $user) {
  658. $data = array(
  659. 'lastname' => ($anonymous ? '***' : $user[1]),
  660. 'firstname' => ($anonymous ? '***' : $user[2]),
  661. 'username' => ($anonymous ? '***' : $user[3]),
  662. );
  663. //Get questions by user
  664. $sql = "SELECT sa.question_id, sa.option_id, sqo.option_text, sq.type
  665. FROM $c_survey_answer sa
  666. INNER JOIN $c_survey_question sq
  667. ON sq.question_id = sa.question_id
  668. LEFT JOIN $c_survey_question_option sqo
  669. ON
  670. sqo.c_id = sa.c_id AND
  671. sqo.question_id = sq.question_id AND
  672. sqo.question_option_id = sa.option_id AND
  673. sqo.survey_id = sq.survey_id
  674. WHERE
  675. sa.survey_id = %d AND
  676. sa.c_id = %d AND
  677. sa.user = %d
  678. "; //. $where_survey;
  679. $sql_query = sprintf($sql, $surveyId, $courseId, $user['user_id']);
  680. $result = Database::query($sql_query);
  681. $user_questions = array();
  682. while ($row = Database::fetch_array($result)) {
  683. $user_questions[$row['question_id']] = $row;
  684. }
  685. //Match course lessons with user progress
  686. foreach ($questions as $question_id => $question) {
  687. $option_text = 'option_text';
  688. if ($user_questions[$question_id]['type'] == 'open') {
  689. $option_text = 'option_id';
  690. }
  691. $data[$question_id] = $user_questions[$question_id][$option_text];
  692. }
  693. $table[] = $data;
  694. }
  695. return $table;
  696. }
  697. /**
  698. * Gets the progress of the given session
  699. * @param int session id
  700. * @param array options order and limit keys
  701. * @return array table with user name, lp name, progress
  702. */
  703. public static function get_session_progress($sessionId, $courseId, $date_from, $date_to, $options)
  704. {
  705. $sessionId = intval($sessionId);
  706. $getAllSessions = false;
  707. if (empty($sessionId)) {
  708. $sessionId = 0;
  709. $getAllSessions = true;
  710. }
  711. //tables
  712. $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  713. $user = Database::get_main_table(TABLE_MAIN_USER);
  714. $course_rel_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  715. $workTable = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
  716. $workTableAssignment = Database::get_course_table(TABLE_STUDENT_PUBLICATION_ASSIGNMENT);
  717. $forum = Database::get_course_table(TABLE_FORUM);
  718. $forum_post = Database::get_course_table(TABLE_FORUM_POST);
  719. $tbl_course_lp = Database::get_course_table(TABLE_LP_MAIN);
  720. $wiki = Database::get_course_table(TABLE_WIKI);
  721. $table_stats_default = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DEFAULT);
  722. $table_stats_access = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ACCESS);
  723. $course = api_get_course_info_by_id($courseId);
  724. //getting all the students of the course
  725. //we are not using this because it only returns user ids
  726. /* if (empty($sessionId)
  727. {
  728. // Registered students in a course outside session.
  729. $users = CourseManager :: get_student_list_from_course_code($course_code);
  730. } else {
  731. // Registered students in session.
  732. $users = CourseManager :: get_student_list_from_course_code($course_code, true, $sessionId);
  733. } */
  734. $where = " WHERE course_code = '%s' AND s.status <> 2 ";
  735. $limit = null;
  736. if (!empty($options['limit'])) {
  737. $limit = " LIMIT " . $options['limit'];
  738. }
  739. if (!empty($options['where'])) {
  740. $where .= ' '.$options['where'];
  741. }
  742. $order = null;
  743. if (!empty($options['order'])) {
  744. $order = " ORDER BY " . $options['order'];
  745. }
  746. //TODO, fix create report without session
  747. $queryVariables = array($course['code']);
  748. if (!empty($sessionId)) {
  749. $where .= ' AND id_session = %s';
  750. $queryVariables[] = $sessionId;
  751. $sql = "SELECT
  752. u.user_id, u.lastname, u.firstname, u.username,
  753. u.email, s.course_code, s.id_session
  754. FROM $session_course_user s
  755. INNER JOIN $user u
  756. ON u.user_id = s.id_user
  757. $where $order $limit";
  758. } else {
  759. $sql = "SELECT
  760. u.user_id, u.lastname, u.firstname, u.username,
  761. u.email, s.course_code, s.id_session
  762. FROM $session_course_user s
  763. INNER JOIN $user u ON u.user_id = s.id_user
  764. $where $order $limit";
  765. }
  766. $sql_query = vsprintf($sql, $queryVariables);
  767. $rs = Database::query($sql_query);
  768. while ($user = Database::fetch_array($rs)) {
  769. $users[$user['user_id']] = $user;
  770. }
  771. /**
  772. * Lessons
  773. */
  774. $sql = "SELECT * FROM $tbl_course_lp WHERE c_id = %s "; //AND session_id = %s
  775. $sql_query = sprintf($sql, $course['real_id']);
  776. $result = Database::query($sql_query);
  777. $arrLesson = array(array());
  778. while ($row = Database::fetch_array($result)) {
  779. // if (api_get_item_visibility(api_get_course_info($course['code']), 'learnpath', $row['id'], $row['session_id']))
  780. // {
  781. if (empty($arrLesson[$row['session_id']]['lessons_total'])) {
  782. $arrLesson[$row['session_id']]['lessons_total'] = 1;
  783. } else {
  784. $arrLesson[$row['session_id']]['lessons_total'] ++;
  785. }
  786. // }
  787. }
  788. /**
  789. * Exercises
  790. */
  791. require_once api_get_path(SYS_CODE_PATH) . 'exercice/exercise.lib.php';
  792. $exercises = get_all_exercises($course, $sessionId, false, '', $getAllSessions);
  793. $exercises_total = count($exercises);
  794. /**
  795. * Assignments
  796. */
  797. //total
  798. if ($getAllSessions) {
  799. $sql = "SELECT count(w.id) as count
  800. FROM $workTable w
  801. LEFT JOIN $workTableAssignment a
  802. ON (a.publication_id = w.id AND a.c_id = w.c_id)
  803. WHERE w.c_id = %s
  804. AND parent_id = 0
  805. AND active IN (1, 0)";
  806. } else {
  807. $sql = "SELECT count(w.id) as count
  808. FROM $workTable w
  809. LEFT JOIN $workTableAssignment a
  810. ON (a.publication_id = w.id AND a.c_id = w.c_id)
  811. WHERE w.c_id = %s
  812. AND parent_id = 0
  813. AND active IN (1, 0)
  814. AND session_id = %s";
  815. }
  816. $sql_query = sprintf($sql, $course['real_id'], $sessionId);
  817. $result = Database::query($sql_query);
  818. $row = Database::fetch_array($result);
  819. $assignments_total = $row['count'];
  820. /**
  821. * Wiki
  822. */
  823. if ($getAllSessions) {
  824. $sql = "SELECT count(distinct page_id) as count FROM $wiki
  825. WHERE c_id = %s";
  826. } else {
  827. $sql = "SELECT count(distinct page_id) as count FROM $wiki
  828. WHERE c_id = %s and session_id = %s";
  829. }
  830. $sql_query = sprintf($sql, $course['real_id'], $sessionId);
  831. $result = Database::query($sql_query);
  832. $row = Database::fetch_array($result);
  833. $wiki_total = $row['count'];
  834. /**
  835. * Surveys
  836. */
  837. $survey_user_list = array();
  838. $survey_list = survey_manager::get_surveys($course['code'], $sessionId);
  839. $surveys_total = count($survey_list);
  840. foreach ($survey_list as $survey) {
  841. $user_list = survey_manager::get_people_who_filled_survey(
  842. $survey['survey_id'],
  843. false,
  844. $course['real_id']
  845. );
  846. foreach ($user_list as $user_id) {
  847. isset($survey_user_list[$user_id]) ? $survey_user_list[$user_id] ++ : $survey_user_list[$user_id] = 1;
  848. }
  849. }
  850. /**
  851. * Forums
  852. */
  853. $forums_total = CourseManager::getCountForum(
  854. $course['real_id'],
  855. $sessionId,
  856. $getAllSessions
  857. );
  858. //process table info
  859. foreach ($users as $user) {
  860. //Course description
  861. $sql = "SELECT count(*) as count
  862. FROM $table_stats_access
  863. WHERE access_tool = 'course_description'
  864. AND access_cours_code = '%s'
  865. AND access_session_id = %s
  866. AND access_user_id = %s ";
  867. $sql_query = sprintf($sql, $course['code'], $user['id_session'], $user['user_id']);
  868. $result = Database::query($sql_query);
  869. $row = Database::fetch_array($result);
  870. $course_description_progress = ($row['count'] > 0) ? 100 : 0;
  871. if (!empty($arrLesson[$user['id_session']]['lessons_total'])) {
  872. $lessons_total = $arrLesson[$user['id_session']]['lessons_total'];
  873. } else {
  874. $lessons_total = !empty($arrLesson[0]['lessons_total']) ? $arrLesson[0]['lessons_total'] : 0;
  875. }
  876. //Lessons
  877. //TODO: Lessons done and left is calculated by progress per item in lesson, maybe we should calculate it only per completed lesson?
  878. $lessons_progress = Tracking::get_avg_student_progress($user['user_id'], $course['code'], array(), $user['id_session']);
  879. $lessons_done = ($lessons_progress * $lessons_total) / 100;
  880. $lessons_left = $lessons_total - $lessons_done;
  881. //Exercises
  882. $exercises_progress = str_replace('%', '', Tracking::get_exercise_student_progress($exercises, $user['user_id'], $course['code'], $user['id_session']));
  883. $exercises_done = round(($exercises_progress * $exercises_total) / 100);
  884. $exercises_left = $exercises_total - $exercises_done;
  885. //Assignments
  886. $assignments_done = Tracking::count_student_assignments($user['user_id'], $course['code'], $user['id_session']);
  887. $assignments_left = $assignments_total - $assignments_done;
  888. if (!empty($assignments_total)) {
  889. $assignments_progress = round((( $assignments_done * 100 ) / $assignments_total), 2);
  890. } else {
  891. $assignments_progress = 0;
  892. }
  893. //Wiki
  894. //total revisions per user
  895. $sql = "SELECT count(*) as count
  896. FROM $wiki
  897. where c_id = %s and session_id = %s and user_id = %s";
  898. $sql_query = sprintf($sql, $course['real_id'], $user['id_session'], $user['user_id']);
  899. $result = Database::query($sql_query);
  900. $row = Database::fetch_array($result);
  901. $wiki_revisions = $row['count'];
  902. //count visited wiki pages
  903. $sql = "SELECT count(distinct default_value) as count
  904. FROM $table_stats_default
  905. WHERE default_user_id = %s
  906. AND default_cours_code = '%s'
  907. AND default_event_type = 'wiki_page_view'
  908. AND default_value_type = 'wiki_page_id'
  909. AND c_id = %s";
  910. $sql_query = sprintf($sql, $user['user_id'], $course['code'], $course['real_id']);
  911. $result = Database::query($sql_query);
  912. $row = Database::fetch_array($result);
  913. $wiki_read = $row['count'];
  914. $wiki_unread = $wiki_total - $wiki_read;
  915. if (!empty($wiki_total)) {
  916. $wiki_progress = round((( $wiki_read * 100 ) / $wiki_total), 2);
  917. } else {
  918. $wiki_progress = 0;
  919. }
  920. //Surveys
  921. $surveys_done = (isset($survey_user_list[$user['user_id']]) ? $survey_user_list[$user['user_id']] : 0);
  922. $surveys_left = $surveys_total - $surveys_done;
  923. if (!empty($surveys_total)) {
  924. $surveys_progress = round((( $surveys_done * 100 ) / $surveys_total), 2);
  925. } else {
  926. $surveys_progress = 0;
  927. }
  928. //Forums
  929. $forums_done = CourseManager::getCountForumPerUser(
  930. $user['user_id'],
  931. $course['real_id'],
  932. $user['id_session']
  933. );
  934. $forums_left = $forums_total - $forums_done;
  935. if (!empty($forums_total)) {
  936. $forums_progress = round((( $forums_done * 100 ) / $forums_total), 2);
  937. } else {
  938. $forums_progress = 0;
  939. }
  940. //Overall Total
  941. $overall_total = ($course_description_progress + $exercises_progress + $forums_progress + $assignments_progress + $wiki_progress + $surveys_progress) / 6;
  942. $link = '<a href="' . api_get_path(WEB_CODE_PATH) . 'mySpace/myStudents.php?student=' . $user[0] . '&details=true&course=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
  943. $linkForum = '<a href="' . api_get_path(WEB_CODE_PATH) . 'forum/index.php?cidReq=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
  944. $linkWork = '<a href="' . api_get_path(WEB_CODE_PATH) . 'work/work.php?cidReq=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
  945. $linkWiki = '<a href="' . api_get_path(WEB_CODE_PATH) . 'wiki/index.php?cidReq=' . $course['code'] . '&session_id=' . $user['id_session'] . '&action=statistics"> %s </a>';
  946. $linkSurvey = '<a href="' . api_get_path(WEB_CODE_PATH) . 'survey/survey_list.php?cidReq=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
  947. $table[] = array(
  948. 'lastname' => $user[1],
  949. 'firstname' => $user[2],
  950. 'username' => $user[3],
  951. #'profile' => '',
  952. 'total' => round($overall_total, 2) . '%',
  953. 'courses' => sprintf($link, $course_description_progress . '%'),
  954. 'lessons' => sprintf($link, $lessons_progress . '%'),
  955. 'exercises' => sprintf($link, $exercises_progress . '%'),
  956. 'forums' => sprintf($link, $forums_progress . '%'),
  957. 'homeworks' => sprintf($link, $assignments_progress . '%'),
  958. 'wikis' => sprintf($link, $wiki_progress . '%'),
  959. 'surveys' => sprintf($link, $surveys_progress . '%'),
  960. //course description
  961. 'course_description_progress' => $course_description_progress . '%',
  962. //lessons
  963. 'lessons_total' => sprintf($link, $lessons_total),
  964. 'lessons_done' => sprintf($link, $lessons_done),
  965. 'lessons_left' => sprintf($link, $lessons_left),
  966. 'lessons_progress' => sprintf($link, $lessons_progress . '%'),
  967. //exercises
  968. 'exercises_total' => sprintf($link, $exercises_total),
  969. 'exercises_done' => sprintf($link, $exercises_done),
  970. 'exercises_left' => sprintf($link, $exercises_left),
  971. 'exercises_progress' => sprintf($link, $exercises_progress . '%'),
  972. //forums
  973. 'forums_total' => sprintf($linkForum, $forums_total),
  974. 'forums_done' => sprintf($linkForum, $forums_done),
  975. 'forums_left' => sprintf($linkForum, $forums_left),
  976. 'forums_progress' => sprintf($linkForum, $forums_progress . '%'),
  977. //assignments
  978. 'assignments_total' => sprintf($linkWork, $assignments_total),
  979. 'assignments_done' => sprintf($linkWork, $assignments_done),
  980. 'assignments_left' => sprintf($linkWork, $assignments_left),
  981. 'assignments_progress' => sprintf($linkWork, $assignments_progress . '%'),
  982. //wiki
  983. 'wiki_total' => sprintf($linkWiki, $wiki_total),
  984. 'wiki_revisions' => sprintf($linkWiki, $wiki_revisions),
  985. 'wiki_read' => sprintf($linkWiki, $wiki_read),
  986. 'wiki_unread' => sprintf($linkWiki, $wiki_unread),
  987. 'wiki_progress' => sprintf($linkWiki, $wiki_progress . '%'),
  988. //survey
  989. 'surveys_total' => sprintf($linkSurvey, $surveys_total),
  990. 'surveys_done' => sprintf($linkSurvey, $surveys_done),
  991. 'surveys_left' => sprintf($linkSurvey, $surveys_left),
  992. 'surveys_progress' => sprintf($linkSurvey, $surveys_progress . '%'),
  993. );
  994. }
  995. return $table;
  996. }
  997. public static function get_number_of_tracking_access_overview()
  998. {
  999. // database table definition
  1000. $track_e_course_access = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
  1001. return Database::count_rows($track_e_course_access);
  1002. }
  1003. /**
  1004. * Get the ip, total of clicks, login date and time logged in for all user, in one session
  1005. * @todo track_e_course_access table should have ip so we dont have to look for it in track_e_login
  1006. *
  1007. * @author César Perales <cesar.perales@beeznest.com>, Beeznest Team
  1008. * @version Chamilo 1.9.6
  1009. */
  1010. public static function get_user_data_access_tracking_overview(
  1011. $sessionId,
  1012. $courseId,
  1013. $studentId = 0,
  1014. $profile = '',
  1015. $date_from = '',
  1016. $date_to = '',
  1017. $options
  1018. ) {
  1019. global $_configuration;
  1020. //escaping variables
  1021. $sessionId = intval($sessionId);
  1022. $courseId = intval($courseId);
  1023. $studentId = intval($studentId);
  1024. $profile = intval($profile);
  1025. $date_from = Database::escape_string($date_from);
  1026. $date_to = Database::escape_string($date_to);
  1027. // database table definition
  1028. $user = Database :: get_main_table(TABLE_MAIN_USER);
  1029. $course = Database :: get_main_table(TABLE_MAIN_COURSE);
  1030. $track_e_login = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
  1031. $track_e_course_access = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
  1032. $sessionTable = Database :: get_main_table(TABLE_MAIN_SESSION);
  1033. global $export_csv;
  1034. if ($export_csv) {
  1035. $is_western_name_order = api_is_western_name_order(PERSON_NAME_DATA_EXPORT);
  1036. } else {
  1037. $is_western_name_order = api_is_western_name_order();
  1038. }
  1039. $where = null;
  1040. if (isset($sessionId) && !empty($sessionId)) {
  1041. $where = sprintf(" WHERE a.session_id = %d", $sessionId);
  1042. }
  1043. if (isset($courseId) && !empty($courseId)) {
  1044. $where .= sprintf(" AND c.id = %d", $courseId);
  1045. }
  1046. if (isset($studentId) && !empty($studentId)) {
  1047. $where .= sprintf(" AND u.user_id = %d", $studentId);
  1048. }
  1049. if (isset($profile) && !empty($profile)) {
  1050. $where .= sprintf(" AND u.status = %d", $profile);
  1051. }
  1052. if (!empty($date_to) && !empty($date_from)) {
  1053. $where .= sprintf(
  1054. " AND a.login_course_date >= '%s 00:00:00'
  1055. AND a.login_course_date <= '%s 23:59:59'",
  1056. $date_from,
  1057. $date_to
  1058. );
  1059. }
  1060. $limit = null;
  1061. if (!empty($options['limit'])) {
  1062. $limit = " LIMIT " . $options['limit'];
  1063. }
  1064. if (!empty($options['where'])) {
  1065. $where .= ' '.$options['where'];
  1066. }
  1067. $order = null;
  1068. if (!empty($options['order'])) {
  1069. $order = " ORDER BY " . $options['order'];
  1070. }
  1071. //TODO add course name
  1072. $sql = "SELECT
  1073. a.login_course_date ,
  1074. u.username ,
  1075. " . ($is_western_name_order ? "
  1076. u.firstname,
  1077. u.lastname,
  1078. " : "
  1079. u.lastname,
  1080. u.firstname,
  1081. ") . "
  1082. a.logout_course_date,
  1083. a.counter,
  1084. c.title,
  1085. c.code,
  1086. u.user_id,
  1087. a.session_id
  1088. FROM $track_e_course_access a
  1089. INNER JOIN $user u ON a.user_id = u.user_id
  1090. INNER JOIN $course c ON a.course_code = c.code
  1091. $where $order $limit";
  1092. $result = Database::query(sprintf($sql, $sessionId, $courseId));
  1093. $data = array();
  1094. while ($user = Database::fetch_assoc($result)) {
  1095. $data[] = $user;
  1096. }
  1097. //foreach
  1098. foreach ($data as $key => $info) {
  1099. $sql = "SELECT
  1100. name
  1101. FROM $sessionTable
  1102. WHERE
  1103. id = {$info['session_id']}";
  1104. $result = Database::query($sql);
  1105. $session = Database::fetch_assoc($result);
  1106. //We are not using this becaouse the range its to small and no other date match the condition of this function
  1107. //$clicks = Tracking::get_total_clicks($info['user_id'], $courseId, $sessionId, $info['login_course_date'], $info['logout_course_date']);
  1108. #building array to display
  1109. $return[] = array(
  1110. 'user_id' => $info['user_id'],
  1111. 'logindate' => $info['login_course_date'],
  1112. 'username' => $info['username'],
  1113. 'firstname' => $info['firstname'],
  1114. 'lastname' => $info['lastname'],
  1115. 'clicks' => $info['counter'], //+ $clicks[$info['user_id']],
  1116. 'ip' => '',
  1117. 'timeLoggedIn' => gmdate("H:i:s", strtotime($info['logout_course_date']) - strtotime($info['login_course_date'])),
  1118. 'session' => $session['name']);
  1119. }
  1120. foreach ($return as $key => $info) {
  1121. //Search for ip, we do less querys if we iterate the final array
  1122. $sql = sprintf("SELECT login_ip FROM $track_e_login WHERE login_user_id = %d AND login_date < '%s' ORDER BY login_date DESC LIMIT 1", $info['user_id'], $info['logindate']); //TODO add select by user too
  1123. $result = Database::query($sql);
  1124. $ip = Database::fetch_assoc($result);
  1125. //if no ip founded, we search the closest higher ip
  1126. if (empty($ip['login_ip'])) {
  1127. $sql = sprintf("SELECT login_ip FROM $track_e_login WHERE login_user_id = %d AND login_date > '%s' ORDER BY login_date ASC LIMIT 1", $info['user_id'], $info['logindate']); //TODO add select by user too
  1128. $result = Database::query($sql);
  1129. $ip = Database::fetch_assoc($result);
  1130. }
  1131. #add ip to final array
  1132. $return[$key]['ip'] = $ip['login_ip'];
  1133. }
  1134. return $return;
  1135. }
  1136. /**
  1137. * Creates a new course code based in given code
  1138. *
  1139. * @param string wanted code
  1140. * <code>
  1141. * $wanted_code = 'curse' if there are in the DB codes like curse1 curse2 the function will return: course3
  1142. * if the course code doest not exist in the DB the same course code will be returned
  1143. * </code>
  1144. * @return string wanted unused code
  1145. */
  1146. public static function generate_nice_next_session_name($session_name)
  1147. {
  1148. $session_name_ok = !self::session_name_exists($session_name);
  1149. if (!$session_name_ok) {
  1150. $table = Database::get_main_table(TABLE_MAIN_SESSION);
  1151. $session_name = Database::escape_string($session_name);
  1152. $sql = "SELECT count(*) as count FROM $table
  1153. WHERE name LIKE '$session_name%'";
  1154. $result = Database::query($sql);
  1155. if (Database::num_rows($result) > 0) {
  1156. $row = Database::fetch_array($result);
  1157. $count = $row['count'] + 1;
  1158. $session_name = $session_name . '_' . $count;
  1159. $result = self::session_name_exists($session_name);
  1160. if (!$result) {
  1161. return $session_name;
  1162. }
  1163. }
  1164. return false;
  1165. }
  1166. return $session_name;
  1167. }
  1168. /**
  1169. * Edit a session
  1170. * @author Carlos Vargas from existing code
  1171. * @param integer id
  1172. * @param string name
  1173. * @param integer year_start
  1174. * @param integer month_start
  1175. * @param integer day_start
  1176. * @param integer year_end
  1177. * @param integer month_end
  1178. * @param integer day_end
  1179. * @param integer nb_days_acess_before
  1180. * @param integer nb_days_acess_after
  1181. * @param integer nolimit
  1182. * @param integer id_coach
  1183. * @param integer id_session_category
  1184. * @param int $id_visibility
  1185. * @param bool
  1186. * @param bool
  1187. * @param string $description
  1188. * @param int $showDescription
  1189. * @return $id;
  1190. * The parameter id is a primary key
  1191. * */
  1192. public static function edit_session(
  1193. $id,
  1194. $name,
  1195. $year_start,
  1196. $month_start,
  1197. $day_start,
  1198. $year_end,
  1199. $month_end,
  1200. $day_end,
  1201. $nb_days_acess_before,
  1202. $nb_days_acess_after,
  1203. $nolimit,
  1204. $id_coach,
  1205. $id_session_category,
  1206. $id_visibility,
  1207. $start_limit = true,
  1208. $end_limit = true,
  1209. $description = null,
  1210. $showDescription = null,
  1211. $duration = null
  1212. ) {
  1213. $name = trim(stripslashes($name));
  1214. $year_start = intval($year_start);
  1215. $month_start = intval($month_start);
  1216. $day_start = intval($day_start);
  1217. $year_end = intval($year_end);
  1218. $month_end = intval($month_end);
  1219. $day_end = intval($day_end);
  1220. $id_coach = intval($id_coach);
  1221. $nb_days_acess_before = intval($nb_days_acess_before);
  1222. $nb_days_acess_after = intval($nb_days_acess_after);
  1223. $id_session_category = intval($id_session_category);
  1224. $id_visibility = intval($id_visibility);
  1225. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1226. if (empty($nolimit)) {
  1227. $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
  1228. $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
  1229. } else {
  1230. $date_start = "0000-00-00";
  1231. $date_end = "0000-00-00";
  1232. $id_visibility = 1; //force read only
  1233. }
  1234. if (!empty($no_end_limit)) {
  1235. $date_end = "0000-00-00";
  1236. }
  1237. if (empty($end_limit)) {
  1238. $date_end = "0000-00-00";
  1239. $id_visibility = 1; //force read only
  1240. }
  1241. if (empty($start_limit)) {
  1242. $date_start = "0000-00-00";
  1243. }
  1244. if (empty($name)) {
  1245. $msg = get_lang('SessionNameIsRequired');
  1246. return $msg;
  1247. } elseif (empty($id_coach)) {
  1248. $msg = get_lang('CoachIsRequired');
  1249. return $msg;
  1250. } elseif (!empty($start_limit) && empty($nolimit) && (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start))) {
  1251. $msg = get_lang('InvalidStartDate');
  1252. return $msg;
  1253. } elseif (!empty($end_limit) && empty($nolimit) && (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end))) {
  1254. $msg = get_lang('InvalidEndDate');
  1255. return $msg;
  1256. } elseif (!empty($start_limit) && !empty($end_limit) && empty($nolimit) && $date_start >= $date_end) {
  1257. $msg = get_lang('StartDateShouldBeBeforeEndDate');
  1258. return $msg;
  1259. } else {
  1260. $rs = Database::query("SELECT id FROM $tbl_session WHERE name='" . Database::escape_string($name) . "'");
  1261. $exists = false;
  1262. while ($row = Database::fetch_array($rs)) {
  1263. if ($row['id'] != $id) {
  1264. $exists = true;
  1265. }
  1266. }
  1267. if ($exists) {
  1268. $msg = get_lang('SessionNameAlreadyExists');
  1269. return $msg;
  1270. } else {
  1271. $sessionInfo = SessionManager::fetch($id);
  1272. $descriptionCondition = null;
  1273. if (array_key_exists('description', $sessionInfo)) {
  1274. $descriptionCondition = ' description = "' . Database::escape_string($description) . '" ,';
  1275. }
  1276. $showDescriptionCondition = null;
  1277. if (array_key_exists('show_description', $sessionInfo)) {
  1278. $showDescriptionCondition = ' show_description = "' . Database::escape_string($showDescription) . '" ,';
  1279. }
  1280. $durationCondition = null;
  1281. if (self::durationPerUserIsEnabled()) {
  1282. if (empty($duration)) {
  1283. $duration = null;
  1284. } else {
  1285. $date_start = '0000-00-00';
  1286. $date_end = "0000-00-00";
  1287. $duration = intval($duration);
  1288. }
  1289. $durationCondition = ' duration = "' . $duration . '" ,';
  1290. }
  1291. $sql = "UPDATE $tbl_session SET
  1292. name='" . Database::escape_string($name) . "',
  1293. date_start='" . $date_start . "',
  1294. date_end='" . $date_end . "',
  1295. id_coach='" . $id_coach . "',
  1296. nb_days_access_before_beginning = " . $nb_days_acess_before . ",
  1297. nb_days_access_after_end = " . $nb_days_acess_after . ",
  1298. session_category_id = " . $id_session_category . " ,
  1299. $descriptionCondition
  1300. $showDescriptionCondition
  1301. $durationCondition
  1302. visibility= " . $id_visibility . "
  1303. WHERE id='$id'";
  1304. Database::query($sql);
  1305. return $id;
  1306. }
  1307. }
  1308. }
  1309. /**
  1310. * Delete session
  1311. * @author Carlos Vargas from existing code
  1312. * @param array id_checked an array to delete sessions
  1313. * @param boolean optional, true if the function is called by a webservice, false otherwise.
  1314. * @return void Nothing, or false on error
  1315. * */
  1316. public static function delete_session($id_checked, $from_ws = false)
  1317. {
  1318. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1319. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1320. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1321. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1322. $tbl_url_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1323. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1324. $userId = api_get_user_id();
  1325. if (is_array($id_checked)) {
  1326. $id_checked = Database::escape_string(implode(',', $id_checked));
  1327. } else {
  1328. $id_checked = intval($id_checked);
  1329. }
  1330. if (!api_is_platform_admin() && !$from_ws) {
  1331. $sql = 'SELECT session_admin_id FROM ' . Database :: get_main_table(TABLE_MAIN_SESSION) . ' WHERE id IN (' . $id_checked.')';
  1332. $rs = Database::query($sql);
  1333. if (Database::result($rs, 0, 0) != $userId) {
  1334. api_not_allowed(true);
  1335. }
  1336. }
  1337. Database::query("DELETE FROM $tbl_session WHERE id IN($id_checked)");
  1338. Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session IN($id_checked)");
  1339. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session IN($id_checked)");
  1340. Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session IN($id_checked)");
  1341. Database::query("DELETE FROM $tbl_url_session WHERE session_id IN($id_checked)");
  1342. $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked'";
  1343. Database::query($sql_delete_sfv);
  1344. // Add event to system log
  1345. event_system(LOG_SESSION_DELETE, LOG_SESSION_ID, $id_checked, api_get_utc_datetime(), $userId);
  1346. }
  1347. /**
  1348. * @param int $id_promotion
  1349. * @return bool
  1350. */
  1351. public static function clear_session_ref_promotion($id_promotion)
  1352. {
  1353. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1354. $id_promotion = intval($id_promotion);
  1355. $sql = "UPDATE $tbl_session SET promotion_id=0
  1356. WHERE promotion_id='$id_promotion'";
  1357. if (Database::query($sql)) {
  1358. return true;
  1359. } else {
  1360. return false;
  1361. }
  1362. }
  1363. /**
  1364. * Subscribes students to the given session and optionally (default) unsubscribes previous users
  1365. *
  1366. * @author Carlos Vargas from existing code
  1367. * @author Julio Montoya. Cleaning code.
  1368. * @param int $id_session
  1369. * @param array $user_list
  1370. * @param int $session_visibility
  1371. * @param bool $empty_users
  1372. * @param bool $send_email
  1373. * @return bool
  1374. */
  1375. public static function suscribe_users_to_session(
  1376. $id_session,
  1377. $user_list,
  1378. $session_visibility = SESSION_VISIBLE_READ_ONLY,
  1379. $empty_users = true,
  1380. $send_email = false
  1381. ) {
  1382. if ($id_session != strval(intval($id_session))) {
  1383. return false;
  1384. }
  1385. foreach ($user_list as $intUser) {
  1386. if ($intUser != strval(intval($intUser))) {
  1387. return false;
  1388. }
  1389. }
  1390. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1391. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1392. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1393. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1394. $session_info = api_get_session_info($id_session);
  1395. $session_name = $session_info['name'];
  1396. // from function parameter
  1397. if (empty($session_visibility)) {
  1398. $session_visibility = $session_info['visibility']; //loaded from DB
  1399. //default status loaded if empty
  1400. if (empty($session_visibility))
  1401. $session_visibility = SESSION_VISIBLE_READ_ONLY; // by default readonly 1
  1402. } else {
  1403. if (!in_array($session_visibility, array(SESSION_VISIBLE_READ_ONLY, SESSION_VISIBLE, SESSION_INVISIBLE))) {
  1404. $session_visibility = SESSION_VISIBLE_READ_ONLY;
  1405. }
  1406. }
  1407. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user
  1408. WHERE id_session = '$id_session' AND status = 0";
  1409. $result = Database::query($sql);
  1410. $existingUsers = array();
  1411. while ($row = Database::fetch_array($result)) {
  1412. $existingUsers[] = $row['id_user'];
  1413. }
  1414. $sql = "SELECT course_code FROM $tbl_session_rel_course
  1415. WHERE id_session = '$id_session'";
  1416. $result = Database::query($sql);
  1417. $course_list = array();
  1418. while ($row = Database::fetch_array($result)) {
  1419. $course_list[] = $row['course_code'];
  1420. }
  1421. if ($send_email) {
  1422. // Sending emails only
  1423. if (is_array($user_list) && count($user_list) > 0) {
  1424. foreach ($user_list as $user_id) {
  1425. if (!in_array($user_id, $existingUsers)) {
  1426. $subject = '[' . get_setting('siteName') . '] ' . get_lang('YourReg') . ' ' . get_setting('siteName');
  1427. $user_info = api_get_user_info($user_id);
  1428. $content = get_lang('Dear') . " " . stripslashes($user_info['complete_name']) . ",\n\n" . sprintf(get_lang('YouAreRegisterToSessionX'), $session_name) . " \n\n" . get_lang('Address') . " " . get_setting('siteName') . " " . get_lang('Is') . " : " . api_get_path(WEB_PATH) . "\n\n" . get_lang('Problem') . "\n\n" . get_lang('SignatureFormula') . ",\n\n" . get_setting('administratorName') . " " . get_setting('administratorSurname') . "\n" . get_lang('Manager') . " " . get_setting('siteName') . "\nT. " . get_setting('administratorTelephone') . "\n" . get_lang('Email') . " : " . get_setting('emailAdministrator');
  1429. MessageManager::send_message(
  1430. $user_id,
  1431. $subject,
  1432. $content,
  1433. array(),
  1434. array(),
  1435. null,
  1436. null,
  1437. null,
  1438. null,
  1439. null
  1440. );
  1441. }
  1442. }
  1443. }
  1444. }
  1445. foreach ($course_list as $enreg_course) {
  1446. // for each course in the session
  1447. $nbr_users = 0;
  1448. $enreg_course = Database::escape_string($enreg_course);
  1449. $sql = "SELECT DISTINCT id_user FROM $tbl_session_rel_course_rel_user
  1450. WHERE id_session = '$id_session' AND course_code='$enreg_course' AND status = 0";
  1451. $result = Database::query($sql);
  1452. $existingUsers = array();
  1453. while ($row = Database::fetch_array($result)) {
  1454. $existingUsers[] = $row['id_user'];
  1455. }
  1456. // Delete existing users
  1457. if ($empty_users) {
  1458. foreach ($existingUsers as $existing_user) {
  1459. if (!in_array($existing_user, $user_list)) {
  1460. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  1461. WHERE id_session='$id_session' AND course_code='$enreg_course' AND id_user='$existing_user' AND status = 0";
  1462. Database::query($sql);
  1463. if (Database::affected_rows()) {
  1464. $nbr_users--;
  1465. }
  1466. }
  1467. }
  1468. }
  1469. // Replace with this new function
  1470. // insert new users into session_rel_course_rel_user and ignore if they already exist
  1471. foreach ($user_list as $enreg_user) {
  1472. if (!in_array($enreg_user, $existingUsers)) {
  1473. $enreg_user = Database::escape_string($enreg_user);
  1474. $sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, visibility, status)
  1475. VALUES('$id_session','$enreg_course','$enreg_user','$session_visibility', '0')";
  1476. Database::query($sql);
  1477. if (Database::affected_rows()) {
  1478. $nbr_users++;
  1479. }
  1480. }
  1481. }
  1482. // Count users in this session-course relation
  1483. $sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user
  1484. WHERE id_session='$id_session' AND course_code='$enreg_course' AND status<>2";
  1485. $rs = Database::query($sql);
  1486. list($nbr_users) = Database::fetch_array($rs);
  1487. // update the session-course relation to add the users total
  1488. $sql = "UPDATE $tbl_session_rel_course SET nbr_users = $nbr_users
  1489. WHERE id_session='$id_session' AND course_code = '$enreg_course'";
  1490. Database::query($sql);
  1491. }
  1492. // Delete users from the session
  1493. if ($empty_users === true) {
  1494. $sql = "DELETE FROM $tbl_session_rel_user
  1495. WHERE id_session = $id_session AND relation_type<>" . SESSION_RELATION_TYPE_RRHH . "";
  1496. Database::query($sql);
  1497. }
  1498. // Insert missing users into session
  1499. $nbr_users = 0;
  1500. foreach ($user_list as $enreg_user) {
  1501. $enreg_user = Database::escape_string($enreg_user);
  1502. $nbr_users++;
  1503. $sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user)
  1504. VALUES ('$id_session', '$enreg_user')";
  1505. Database::query($sql);
  1506. }
  1507. // update number of users in the session
  1508. $nbr_users = count($user_list);
  1509. if ($empty_users) {
  1510. // update number of users in the session
  1511. $sql = "UPDATE $tbl_session SET nbr_users= $nbr_users
  1512. WHERE id='$id_session' ";
  1513. Database::query($sql);
  1514. } else {
  1515. $sql = "UPDATE $tbl_session SET nbr_users= nbr_users + $nbr_users
  1516. WHERE id='$id_session'";
  1517. Database::query($sql);
  1518. }
  1519. }
  1520. /**
  1521. * Returns user list of the current users subscribed in the course-session
  1522. * @param int $sessionId
  1523. * @param array $courseInfo
  1524. * @param int $status
  1525. *
  1526. * @return array
  1527. */
  1528. public static function getUsersByCourseSession(
  1529. $sessionId,
  1530. $courseInfo,
  1531. $status = null
  1532. ) {
  1533. $sessionId = intval($sessionId);
  1534. $courseCode = $courseInfo['code'];
  1535. if (empty($sessionId) || empty($courseCode)) {
  1536. return array();
  1537. }
  1538. $statusCondition = null;
  1539. if (isset($status) && !is_null($status)) {
  1540. $status = intval($status);
  1541. $statusCondition = " AND status = $status";
  1542. }
  1543. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1544. $sql = "SELECT DISTINCT id_user
  1545. FROM $table
  1546. WHERE
  1547. id_session = '$sessionId' AND
  1548. course_code='$courseCode'
  1549. $statusCondition
  1550. ";
  1551. $result = Database::query($sql);
  1552. $existingUsers = array();
  1553. while ($row = Database::fetch_array($result)) {
  1554. $existingUsers[] = $row['id_user'];
  1555. }
  1556. return $existingUsers;
  1557. }
  1558. /**
  1559. * Remove a list of users from a course-session
  1560. * @param array $userList
  1561. * @param int $sessionId
  1562. * @param array $courseInfo
  1563. * @param int $status
  1564. * @param bool $updateTotal
  1565. * @return bool
  1566. */
  1567. public static function removeUsersFromCourseSession(
  1568. $userList,
  1569. $sessionId,
  1570. $courseInfo,
  1571. $status = null,
  1572. $updateTotal = true
  1573. ) {
  1574. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1575. $tableSessionCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1576. $sessionId = intval($sessionId);
  1577. if (empty($sessionId) || empty($userList) || empty($courseInfo)) {
  1578. return false;
  1579. }
  1580. $courseCode = Database::escape_string($courseInfo['code']);
  1581. $statusCondition = null;
  1582. if (isset($status) && !is_null($status)) {
  1583. $status = intval($status);
  1584. $statusCondition = " AND status = $status";
  1585. }
  1586. foreach ($userList as $userId) {
  1587. $userId = intval($userId);
  1588. $sql = "DELETE FROM $table
  1589. WHERE
  1590. id_session='$sessionId' AND
  1591. course_code='$courseCode' AND
  1592. id_user='$userId'
  1593. $statusCondition
  1594. ";
  1595. Database::query($sql);
  1596. }
  1597. if ($updateTotal) {
  1598. // Count users in this session-course relation
  1599. $sql = "SELECT COUNT(id_user) as nbUsers
  1600. FROM $table
  1601. WHERE
  1602. id_session='$sessionId' AND
  1603. course_code='$courseCode' AND
  1604. status<>2";
  1605. $result = Database::query($sql);
  1606. list($userCount) = Database::fetch_array($result);
  1607. // update the session-course relation to add the users total
  1608. $sql = "UPDATE $tableSessionCourse SET
  1609. nbr_users = $userCount
  1610. WHERE id_session='$sessionId' AND course_code = '$courseCode'";
  1611. Database::query($sql);
  1612. }
  1613. }
  1614. /**
  1615. * Subscribe a user to an specific course inside a session.
  1616. *
  1617. * @param array $user_list
  1618. * @param int $session_id
  1619. * @param string $course_code
  1620. * @param int $session_visibility
  1621. * @param bool $removeUsersNotInList
  1622. * @return bool
  1623. */
  1624. public static function subscribe_users_to_session_course(
  1625. $user_list,
  1626. $session_id,
  1627. $course_code,
  1628. $session_visibility = SESSION_VISIBLE_READ_ONLY,
  1629. $removeUsersNotInList = false
  1630. ) {
  1631. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1632. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1633. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1634. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1635. if (empty($session_id) || empty($course_code)) {
  1636. return false;
  1637. }
  1638. $session_id = intval($session_id);
  1639. $course_code = Database::escape_string($course_code);
  1640. $session_visibility = intval($session_visibility);
  1641. if ($removeUsersNotInList) {
  1642. $courseInfo = api_get_course_info($course_code);
  1643. $currentUsers = self::getUsersByCourseSession($session_id, $courseInfo, 0);
  1644. if (!empty($user_list)) {
  1645. $userToDelete = array_diff($currentUsers, $user_list);
  1646. } else {
  1647. $userToDelete = $currentUsers;
  1648. }
  1649. if (!empty($userToDelete)) {
  1650. self::removeUsersFromCourseSession(
  1651. $userToDelete,
  1652. $session_id,
  1653. $courseInfo,
  1654. 0,
  1655. true
  1656. );
  1657. }
  1658. }
  1659. $nbr_users = 0;
  1660. foreach ($user_list as $enreg_user) {
  1661. $enreg_user = intval($enreg_user);
  1662. // Checking if user exists in session - course - user table.
  1663. $sql = "SELECT count(id_user) as count
  1664. FROM $tbl_session_rel_course_rel_user
  1665. WHERE
  1666. id_session = $session_id AND
  1667. course_code = '$course_code' and
  1668. id_user = $enreg_user ";
  1669. $result = Database::query($sql);
  1670. $count = 0;
  1671. if (Database::num_rows($result) > 0) {
  1672. $row = Database::fetch_array($result, 'ASSOC');
  1673. $count = $row['count'];
  1674. }
  1675. if ($count == 0) {
  1676. $sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user (id_session, course_code, id_user, visibility)
  1677. VALUES ('$session_id','$course_code','$enreg_user','$session_visibility')";
  1678. Database::query($sql);
  1679. if (Database::affected_rows()) {
  1680. $nbr_users++;
  1681. }
  1682. }
  1683. // Checking if user exists in session - user table.
  1684. $sql = "SELECT count(id_user) as count
  1685. FROM $tbl_session_rel_user
  1686. WHERE id_session = $session_id AND id_user = $enreg_user ";
  1687. $result = Database::query($sql);
  1688. $count = 0;
  1689. if (Database::num_rows($result) > 0) {
  1690. $row = Database::fetch_array($result, 'ASSOC');
  1691. $count = $row['count'];
  1692. }
  1693. if (empty($count)) {
  1694. // If user is not registered to a session then add it.
  1695. $sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user)
  1696. VALUES ('$session_id', '$enreg_user')";
  1697. Database::query($sql);
  1698. $sql = "UPDATE $tbl_session SET nbr_users = nbr_users + 1
  1699. WHERE id='$session_id' ";
  1700. Database::query($sql);
  1701. }
  1702. }
  1703. // count users in this session-course relation
  1704. $sql = "SELECT COUNT(id_user) as nbUsers
  1705. FROM $tbl_session_rel_course_rel_user
  1706. WHERE id_session='$session_id' AND course_code='$course_code' AND status<>2";
  1707. $rs = Database::query($sql);
  1708. list($nbr_users) = Database::fetch_array($rs);
  1709. // update the session-course relation to add the users total
  1710. $sql = "UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users
  1711. WHERE id_session='$session_id' AND course_code='$course_code'";
  1712. Database::query($sql);
  1713. }
  1714. /**
  1715. * Unsubscribe user from session
  1716. *
  1717. * @param int Session id
  1718. * @param int User id
  1719. * @return bool True in case of success, false in case of error
  1720. */
  1721. public static function unsubscribe_user_from_session($session_id, $user_id)
  1722. {
  1723. $session_id = (int) $session_id;
  1724. $user_id = (int) $user_id;
  1725. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1726. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1727. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1728. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1729. $delete_sql = "DELETE FROM $tbl_session_rel_user
  1730. WHERE
  1731. id_session = '$session_id' AND
  1732. id_user ='$user_id' AND
  1733. relation_type <> " . SESSION_RELATION_TYPE_RRHH . "";
  1734. Database::query($delete_sql);
  1735. $return = Database::affected_rows();
  1736. // Update number of users
  1737. $sql = "UPDATE $tbl_session
  1738. SET nbr_users = nbr_users - $return
  1739. WHERE id='$session_id' ";
  1740. Database::query($sql);
  1741. // Get the list of courses related to this session
  1742. $course_list = SessionManager::get_course_list_by_session_id($session_id);
  1743. if (!empty($course_list)) {
  1744. foreach ($course_list as $course) {
  1745. $course_code = $course['code'];
  1746. // Delete user from course
  1747. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  1748. WHERE id_session='$session_id' AND course_code='$course_code' AND id_user='$user_id'";
  1749. Database::query($sql);
  1750. if (Database::affected_rows()) {
  1751. // Update number of users in this relation
  1752. $sql = "UPDATE $tbl_session_rel_course SET nbr_users = nbr_users - 1
  1753. WHERE id_session='$session_id' AND course_code='$course_code'";
  1754. Database::query($sql);
  1755. }
  1756. }
  1757. }
  1758. return true;
  1759. }
  1760. /**
  1761. * Subscribes courses to the given session and optionally (default)
  1762. * unsubscribes previous users
  1763. * @author Carlos Vargas from existing code
  1764. * @param int $sessionId
  1765. * @param array $courseList List of courses IDs
  1766. * @param bool $removeExistingCoursesUsers Whether to unsubscribe
  1767. * existing courses and users (true, default) or not (false)
  1768. * @return void Nothing, or false on error
  1769. * */
  1770. public static function add_courses_to_session(
  1771. $sessionId,
  1772. $courseList,
  1773. $removeExistingCoursesWithUsers = true
  1774. ) {
  1775. $sessionId = intval($sessionId);
  1776. if (empty($sessionId) || empty($courseList)) {
  1777. return false;
  1778. }
  1779. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1780. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1781. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1782. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1783. // get list of courses subscribed to this session
  1784. $sql = "SELECT course_code
  1785. FROM $tbl_session_rel_course
  1786. WHERE id_session=$sessionId";
  1787. $rs = Database::query($sql );
  1788. $existingCourses = Database::store_result($rs);
  1789. $nbr_courses = count($existingCourses);
  1790. // get list of users subscribed to this session
  1791. $sql = "SELECT id_user
  1792. FROM $tbl_session_rel_user
  1793. WHERE
  1794. id_session = $sessionId AND
  1795. relation_type<>" . SESSION_RELATION_TYPE_RRHH . "";
  1796. $result = Database::query($sql);
  1797. $user_list = Database::store_result($result);
  1798. // Remove existing courses from the session.
  1799. if ($removeExistingCoursesWithUsers === true) {
  1800. foreach ($existingCourses as $existingCourse) {
  1801. if (!in_array($existingCourse['course_code'], $courseList)) {
  1802. $courseInfo = api_get_course_info($existingCourse['course_code']);
  1803. $sql = "DELETE FROM $tbl_session_rel_course
  1804. WHERE course_code='" . $existingCourse['course_code'] . "' AND id_session=$sessionId";
  1805. Database::query($sql);
  1806. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  1807. WHERE course_code='" . $existingCourse['course_code'] . "' AND id_session=$sessionId";
  1808. Database::query($sql);
  1809. CourseManager::remove_course_ranking(
  1810. $courseInfo['real_id'],
  1811. $sessionId
  1812. );
  1813. $nbr_courses--;
  1814. }
  1815. }
  1816. }
  1817. // Pass through the courses list we want to add to the session
  1818. foreach ($courseList as $enreg_course) {
  1819. $enreg_course = Database::escape_string($enreg_course);
  1820. $exists = false;
  1821. // check if the course we want to add is already subscribed
  1822. foreach ($existingCourses as $existingCourse) {
  1823. if ($enreg_course == $existingCourse['course_code']) {
  1824. $exists = true;
  1825. }
  1826. }
  1827. if (!$exists) {
  1828. //if the course isn't subscribed yet
  1829. $sql = "INSERT INTO $tbl_session_rel_course (id_session, course_code)
  1830. VALUES ('$sessionId','$enreg_course')";
  1831. Database::query($sql);
  1832. //We add the current course in the existing courses array, to avoid adding another time the current course
  1833. $existingCourses[] = array('course_code' => $enreg_course);
  1834. $nbr_courses++;
  1835. // subscribe all the users from the session to this course inside the session
  1836. $nbr_users = 0;
  1837. foreach ($user_list as $enreg_user) {
  1838. $enreg_user_id = intval($enreg_user['id_user']);
  1839. $sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user (id_session, course_code, id_user)
  1840. VALUES ($sessionId,'$enreg_course',$enreg_user_id)";
  1841. Database::query($sql);
  1842. if (Database::affected_rows()) {
  1843. $nbr_users++;
  1844. }
  1845. }
  1846. $sql = "UPDATE $tbl_session_rel_course
  1847. SET nbr_users=$nbr_users
  1848. WHERE id_session='$sessionId' AND course_code='$enreg_course'";
  1849. Database::query($sql);
  1850. }
  1851. }
  1852. $sql = "UPDATE $tbl_session
  1853. SET nbr_courses = $nbr_courses
  1854. WHERE id = '$sessionId'";
  1855. Database::query($sql);
  1856. }
  1857. /**
  1858. * Unsubscribe course from a session
  1859. *
  1860. * @param int Session id
  1861. * @param int Course id
  1862. * @return bool True in case of success, false otherwise
  1863. */
  1864. public static function unsubscribe_course_from_session($session_id, $course_id)
  1865. {
  1866. $session_id = (int) $session_id;
  1867. $course_id = (int) $course_id;
  1868. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1869. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1870. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1871. // Get course code
  1872. $course_code = CourseManager::get_course_code_from_course_id($course_id);
  1873. if (empty($course_code)) {
  1874. return false;
  1875. }
  1876. // Unsubscribe course
  1877. $sql = "DELETE FROM $tbl_session_rel_course
  1878. WHERE course_code='$course_code' AND id_session='$session_id'";
  1879. Database::query($sql);
  1880. $nb_affected = Database::affected_rows();
  1881. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  1882. WHERE course_code='$course_code' AND id_session='$session_id'";
  1883. Database::query($sql);
  1884. if ($nb_affected > 0) {
  1885. // Update number of courses in the session
  1886. $sql = "UPDATE $tbl_session SET nbr_courses= nbr_courses + $nb_affected WHERE id='$session_id' ";
  1887. Database::query($sql);
  1888. return true;
  1889. } else {
  1890. return false;
  1891. }
  1892. }
  1893. /**
  1894. * Creates a new extra field for a given session
  1895. * @param string Field's internal variable name
  1896. * @param int Field's type
  1897. * @param string Field's language var name
  1898. * @return int new extra field id
  1899. */
  1900. public static function create_session_extra_field($fieldvarname, $fieldtype, $fieldtitle)
  1901. {
  1902. // database table definition
  1903. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1904. $fieldvarname = Database::escape_string($fieldvarname);
  1905. $fieldtitle = Database::escape_string($fieldtitle);
  1906. $fieldtype = (int) $fieldtype;
  1907. $time = time();
  1908. $sql_field = "SELECT id FROM $t_sf WHERE field_variable = '$fieldvarname'";
  1909. $res_field = Database::query($sql_field);
  1910. $r_field = Database::fetch_row($res_field);
  1911. if (Database::num_rows($res_field) > 0) {
  1912. $field_id = $r_field[0];
  1913. } else {
  1914. // save new fieldlabel into course_field table
  1915. $sql = "SELECT MAX(field_order) FROM $t_sf";
  1916. $res = Database::query($sql);
  1917. $order = 0;
  1918. if (Database::num_rows($res) > 0) {
  1919. $row = Database::fetch_row($res);
  1920. $order = $row[0] + 1;
  1921. }
  1922. $sql = "INSERT INTO $t_sf SET
  1923. field_type = '$fieldtype',
  1924. field_variable = '$fieldvarname',
  1925. field_display_text = '$fieldtitle',
  1926. field_order = '$order',
  1927. tms = FROM_UNIXTIME($time)";
  1928. Database::query($sql);
  1929. $field_id = Database::insert_id();
  1930. }
  1931. return $field_id;
  1932. }
  1933. /**
  1934. * Update an extra field value for a given session
  1935. * @param integer Course ID
  1936. * @param string Field variable name
  1937. * @param string Field value
  1938. * @return boolean true if field updated, false otherwise
  1939. */
  1940. public static function update_session_extra_field_value($session_id, $fname, $fvalue = '')
  1941. {
  1942. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1943. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1944. $fname = Database::escape_string($fname);
  1945. $session_id = (int) $session_id;
  1946. $fvalues = '';
  1947. if (is_array($fvalue)) {
  1948. foreach ($fvalue as $val) {
  1949. $fvalues .= Database::escape_string($val) . ';';
  1950. }
  1951. if (!empty($fvalues)) {
  1952. $fvalues = substr($fvalues, 0, -1);
  1953. }
  1954. } else {
  1955. $fvalues = Database::escape_string($fvalue);
  1956. }
  1957. $sqlsf = "SELECT * FROM $t_sf WHERE field_variable='$fname'";
  1958. $ressf = Database::query($sqlsf);
  1959. if (Database::num_rows($ressf) == 1) {
  1960. //ok, the field exists
  1961. // Check if enumerated field, if the option is available
  1962. $rowsf = Database::fetch_array($ressf);
  1963. $tms = time();
  1964. $sqlsfv = "SELECT * FROM $t_sfv
  1965. WHERE session_id = '$session_id' AND field_id = '" . $rowsf['id'] . "' ORDER BY id";
  1966. $ressfv = Database::query($sqlsfv);
  1967. $n = Database::num_rows($ressfv);
  1968. if ($n > 1) {
  1969. //problem, we already have to values for this field and user combination - keep last one
  1970. while ($rowsfv = Database::fetch_array($ressfv)) {
  1971. if ($n > 1) {
  1972. $sqld = "DELETE FROM $t_sfv WHERE id = " . $rowsfv['id'];
  1973. $resd = Database::query($sqld);
  1974. $n--;
  1975. }
  1976. $rowsfv = Database::fetch_array($ressfv);
  1977. if ($rowsfv['field_value'] != $fvalues) {
  1978. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = FROM_UNIXTIME($tms)
  1979. WHERE id = " . $rowsfv['id'];
  1980. $resu = Database::query($sqlu);
  1981. return($resu ? true : false);
  1982. }
  1983. return true;
  1984. }
  1985. } else if ($n == 1) {
  1986. //we need to update the current record
  1987. $rowsfv = Database::fetch_array($ressfv);
  1988. if ($rowsfv['field_value'] != $fvalues) {
  1989. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = FROM_UNIXTIME($tms)
  1990. WHERE id = " . $rowsfv['id'];
  1991. //error_log('UM::update_extra_field_value: '.$sqlu);
  1992. $resu = Database::query($sqlu);
  1993. return($resu ? true : false);
  1994. }
  1995. return true;
  1996. } else {
  1997. $sqli = "INSERT INTO $t_sfv (session_id,field_id,field_value,tms) " .
  1998. "VALUES ('$session_id'," . $rowsf['id'] . ",'$fvalues',FROM_UNIXTIME($tms))";
  1999. $resi = Database::query($sqli);
  2000. return $resi ? true : false;
  2001. }
  2002. } else {
  2003. return false; //field not found
  2004. }
  2005. }
  2006. /**
  2007. * Checks the relationship between a session and a course.
  2008. * @param int $session_id
  2009. * @param string $course_id (course code)
  2010. * @return bool Returns TRUE if the session and the course are related, FALSE otherwise.
  2011. * */
  2012. public static function relation_session_course_exist($session_id, $course_id)
  2013. {
  2014. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2015. $return_value = false;
  2016. $sql = "SELECT course_code FROM $tbl_session_course
  2017. WHERE
  2018. id_session = " . intval($session_id) . " AND
  2019. course_code = '" . Database::escape_string($course_id) . "'";
  2020. $result = Database::query($sql);
  2021. $num = Database::num_rows($result);
  2022. if ($num > 0) {
  2023. $return_value = true;
  2024. }
  2025. return $return_value;
  2026. }
  2027. /**
  2028. * Get the session information by name
  2029. * @param string session name
  2030. * @return mixed false if the session does not exist, array if the session exist
  2031. * */
  2032. public static function get_session_by_name($session_name)
  2033. {
  2034. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2035. $session_name = trim($session_name);
  2036. if (empty($session_name)) {
  2037. return false;
  2038. }
  2039. $sql = 'SELECT *
  2040. FROM ' . $tbl_session . '
  2041. WHERE name = "' . Database::escape_string($session_name) . '"';
  2042. $result = Database::query($sql);
  2043. $num = Database::num_rows($result);
  2044. if ($num > 0) {
  2045. return Database::fetch_array($result);
  2046. } else {
  2047. return false;
  2048. }
  2049. }
  2050. /**
  2051. * Create a session category
  2052. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  2053. * @param string name
  2054. * @param integer year_start
  2055. * @param integer month_start
  2056. * @param integer day_start
  2057. * @param integer year_end
  2058. * @param integer month_end
  2059. * @param integer day_end
  2060. * @return $id_session;
  2061. * */
  2062. public static function create_category_session($sname, $syear_start, $smonth_start, $sday_start, $syear_end, $smonth_end, $sday_end)
  2063. {
  2064. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2065. $name = trim($sname);
  2066. $year_start = intval($syear_start);
  2067. $month_start = intval($smonth_start);
  2068. $day_start = intval($sday_start);
  2069. $year_end = intval($syear_end);
  2070. $month_end = intval($smonth_end);
  2071. $day_end = intval($sday_end);
  2072. $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
  2073. $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
  2074. if (empty($name)) {
  2075. $msg = get_lang('SessionCategoryNameIsRequired');
  2076. return $msg;
  2077. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start)) {
  2078. $msg = get_lang('InvalidStartDate');
  2079. return $msg;
  2080. } elseif (!$month_end && !$day_end && !$year_end) {
  2081. $date_end = "null";
  2082. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end)) {
  2083. $msg = get_lang('InvalidEndDate');
  2084. return $msg;
  2085. } elseif ($date_start >= $date_end) {
  2086. $msg = get_lang('StartDateShouldBeBeforeEndDate');
  2087. return $msg;
  2088. }
  2089. $access_url_id = api_get_current_access_url_id();
  2090. $sql = "INSERT INTO $tbl_session_category (name, date_start, date_end, access_url_id)
  2091. VALUES('" . Database::escape_string($name) . "','$date_start','$date_end', '$access_url_id')";
  2092. Database::query($sql);
  2093. $id_session = Database::insert_id();
  2094. // Add event to system log
  2095. $user_id = api_get_user_id();
  2096. event_system(LOG_SESSION_CATEGORY_CREATE, LOG_SESSION_CATEGORY_ID, $id_session, api_get_utc_datetime(), $user_id);
  2097. return $id_session;
  2098. }
  2099. /**
  2100. * Edit a sessions categories
  2101. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>,from existing code
  2102. * @param integer id
  2103. * @param string name
  2104. * @param integer year_start
  2105. * @param integer month_start
  2106. * @param integer day_start
  2107. * @param integer year_end
  2108. * @param integer month_end
  2109. * @param integer day_end
  2110. * @return $id;
  2111. * The parameter id is a primary key
  2112. * */
  2113. public static function edit_category_session($id, $sname, $syear_start, $smonth_start, $sday_start, $syear_end, $smonth_end, $sday_end)
  2114. {
  2115. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2116. $name = trim($sname);
  2117. $year_start = intval($syear_start);
  2118. $month_start = intval($smonth_start);
  2119. $day_start = intval($sday_start);
  2120. $year_end = intval($syear_end);
  2121. $month_end = intval($smonth_end);
  2122. $day_end = intval($sday_end);
  2123. $id = intval($id);
  2124. $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
  2125. $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
  2126. if (empty($name)) {
  2127. $msg = get_lang('SessionCategoryNameIsRequired');
  2128. return $msg;
  2129. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start)) {
  2130. $msg = get_lang('InvalidStartDate');
  2131. return $msg;
  2132. } elseif (!$month_end && !$day_end && !$year_end) {
  2133. $date_end = null;
  2134. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end)) {
  2135. $msg = get_lang('InvalidEndDate');
  2136. return $msg;
  2137. } elseif ($date_start >= $date_end) {
  2138. $msg = get_lang('StartDateShouldBeBeforeEndDate');
  2139. return $msg;
  2140. }
  2141. if ($date_end <> null) {
  2142. $sql = "UPDATE $tbl_session_category SET name = '" . Database::escape_string($name) . "', date_start = '$date_start' " .
  2143. ", date_end = '$date_end' WHERE id= '" . $id . "' ";
  2144. } else {
  2145. $sql = "UPDATE $tbl_session_category SET name = '" . Database::escape_string($name) . "', date_start = '$date_start' " .
  2146. ", date_end = NULL WHERE id= '" . $id . "' ";
  2147. }
  2148. $result = Database::query($sql);
  2149. return ($result ? true : false);
  2150. }
  2151. /**
  2152. * Delete sessions categories
  2153. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  2154. * @param array id_checked
  2155. * @param bool include delete session
  2156. * @param bool optional, true if the function is called by a webservice, false otherwise.
  2157. * @return void Nothing, or false on error
  2158. * The parameters is a array to delete sessions
  2159. * */
  2160. public static function delete_session_category($id_checked, $delete_session = false, $from_ws = false)
  2161. {
  2162. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2163. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2164. if (is_array($id_checked)) {
  2165. $id_checked = Database::escape_string(implode(',', $id_checked));
  2166. } else {
  2167. $id_checked = intval($id_checked);
  2168. }
  2169. //Setting session_category_id to 0
  2170. $sql = "UPDATE $tbl_session SET session_category_id = 0
  2171. WHERE session_category_id IN (" . $id_checked . ")";
  2172. Database::query($sql);
  2173. $sql = "SELECT id FROM $tbl_session WHERE session_category_id IN (" . $id_checked . ")";
  2174. $result = Database::query($sql);
  2175. while ($rows = Database::fetch_array($result)) {
  2176. $session_id = $rows['id'];
  2177. if ($delete_session) {
  2178. if ($from_ws) {
  2179. SessionManager::delete_session($session_id, true);
  2180. } else {
  2181. SessionManager::delete_session($session_id);
  2182. }
  2183. }
  2184. }
  2185. $sql = "DELETE FROM $tbl_session_category WHERE id IN (" . $id_checked . ")";
  2186. Database::query($sql);
  2187. // Add event to system log
  2188. $user_id = api_get_user_id();
  2189. event_system(
  2190. LOG_SESSION_CATEGORY_DELETE,
  2191. LOG_SESSION_CATEGORY_ID,
  2192. $id_checked,
  2193. api_get_utc_datetime(),
  2194. $user_id
  2195. );
  2196. return true;
  2197. }
  2198. /**
  2199. * Get a list of sessions of which the given conditions match with an = 'cond'
  2200. * @param array $conditions a list of condition example :
  2201. * array('status' => STUDENT) or
  2202. * array('s.name' => array('operator' => 'LIKE', value = '%$needle%'))
  2203. * @param array $order_by a list of fields on which sort
  2204. * @return array An array with all sessions of the platform.
  2205. * @todo optional course code parameter, optional sorting parameters...
  2206. */
  2207. public static function get_sessions_list($conditions = array(), $order_by = array())
  2208. {
  2209. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2210. $session_category_table = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2211. $user_table = Database::get_main_table(TABLE_MAIN_USER);
  2212. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2213. $session_course_table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2214. $course_table = Database::get_main_table(TABLE_MAIN_COURSE);
  2215. $access_url_id = api_get_current_access_url_id();
  2216. $return_array = array();
  2217. $sql_query = " SELECT
  2218. s.id,
  2219. s.name,
  2220. s.nbr_courses,
  2221. s.date_start,
  2222. s.date_end,
  2223. u.firstname,
  2224. u.lastname,
  2225. sc.name as category_name,
  2226. s.promotion_id
  2227. FROM $session_table s
  2228. INNER JOIN $user_table u ON s.id_coach = u.user_id
  2229. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  2230. LEFT JOIN $session_category_table sc ON s.session_category_id = sc.id
  2231. LEFT JOIN $session_course_table sco ON (sco.id_session = s.id)
  2232. INNER JOIN $course_table c ON sco.course_code = c.code
  2233. WHERE ar.access_url_id = $access_url_id ";
  2234. $availableFields = array(
  2235. 's.id',
  2236. 's.name'
  2237. );
  2238. $availableOperator = array(
  2239. 'like',
  2240. '>=',
  2241. '<=',
  2242. '='
  2243. );
  2244. if (count($conditions) > 0) {
  2245. foreach ($conditions as $field => $options) {
  2246. $operator = strtolower($options['operator']);
  2247. $value = Database::escape_string($options['value']);
  2248. $sql_query .= ' AND ';
  2249. if (in_array($field, $availableFields) && in_array($operator, $availableOperator)) {
  2250. $sql_query .= $field . " $operator '" . $value . "'";
  2251. }
  2252. }
  2253. }
  2254. $orderAvailableList = array('name');
  2255. if (count($order_by) > 0) {
  2256. $order = null;
  2257. $direction = null;
  2258. if (isset($order_by[0]) && in_array($order_by[0], $orderAvailableList)) {
  2259. $order = $order_by[0];
  2260. }
  2261. if (isset($order_by[1]) && in_array(strtolower($order_by[1]), array('desc', 'asc'))) {
  2262. $direction = $order_by[1];
  2263. }
  2264. if (!empty($order)) {
  2265. $sql_query .= " ORDER BY $order $direction ";
  2266. }
  2267. }
  2268. $sql_result = Database::query($sql_query);
  2269. if (Database::num_rows($sql_result) > 0) {
  2270. while ($result = Database::fetch_array($sql_result)) {
  2271. $return_array[$result['id']] = $result;
  2272. }
  2273. }
  2274. return $return_array;
  2275. }
  2276. /**
  2277. * Get the session category information by id
  2278. * @param string session category ID
  2279. * @return mixed false if the session category does not exist, array if the session category exists
  2280. */
  2281. public static function get_session_category($id)
  2282. {
  2283. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2284. $id = intval($id);
  2285. $sql = "SELECT id, name, date_start, date_end FROM $tbl_session_category WHERE id= $id";
  2286. $result = Database::query($sql);
  2287. $num = Database::num_rows($result);
  2288. if ($num > 0) {
  2289. return Database::fetch_array($result);
  2290. } else {
  2291. return false;
  2292. }
  2293. }
  2294. /**
  2295. * Get all session categories (filter by access_url_id)
  2296. * @return mixed false if the session category does not exist, array if the session category exists
  2297. */
  2298. public static function get_all_session_category()
  2299. {
  2300. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2301. $id = api_get_current_access_url_id();
  2302. $sql = 'SELECT * FROM ' . $tbl_session_category . '
  2303. WHERE access_url_id ="' . $id . '"
  2304. ORDER BY name ASC';
  2305. $result = Database::query($sql);
  2306. if (Database::num_rows($result) > 0) {
  2307. $data = Database::store_result($result, 'ASSOC');
  2308. return $data;
  2309. } else {
  2310. return false;
  2311. }
  2312. }
  2313. /**
  2314. * Assign a coach to course in session with status = 2
  2315. * @param int - user id
  2316. * @param int - session id
  2317. * @param string - course code
  2318. * @param bool - optional, if is true the user don't be a coach now, otherwise it'll assign a coach
  2319. * @return bool true if there are affected rows, otherwise false
  2320. */
  2321. public static function set_coach_to_course_session(
  2322. $user_id,
  2323. $session_id = 0,
  2324. $course_code = '',
  2325. $nocoach = false
  2326. ) {
  2327. // Definition of variables
  2328. $user_id = intval($user_id);
  2329. if (!empty($session_id)) {
  2330. $session_id = intval($session_id);
  2331. } else {
  2332. $session_id = api_get_session_id();
  2333. }
  2334. if (!empty($course_code)) {
  2335. $course_code = Database::escape_string($course_code);
  2336. } else {
  2337. $course_code = api_get_course_id();
  2338. }
  2339. // Table definition
  2340. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2341. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2342. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2343. // check if user is a teacher
  2344. $sql = "SELECT * FROM $tbl_user WHERE status='1' AND user_id = '$user_id'";
  2345. $rs_check_user = Database::query($sql);
  2346. if (Database::num_rows($rs_check_user) > 0) {
  2347. if ($nocoach) {
  2348. // check if user_id exits int session_rel_user
  2349. $sql = "SELECT id_user FROM $tbl_session_rel_user
  2350. WHERE id_session = '$session_id' AND id_user = '$user_id'";
  2351. $res = Database::query($sql);
  2352. if (Database::num_rows($res) > 0) {
  2353. // The user don't be a coach now
  2354. $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 0
  2355. WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  2356. Database::query($sql);
  2357. if (Database::affected_rows() > 0)
  2358. return true;
  2359. else
  2360. return false;
  2361. } else {
  2362. // The user don't be a coach now
  2363. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  2364. WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  2365. Database::query($sql);
  2366. if (Database::affected_rows() > 0)
  2367. return true;
  2368. else
  2369. return false;
  2370. }
  2371. } else {
  2372. // Assign user like a coach to course
  2373. // First check if the user is registered in the course
  2374. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user
  2375. WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id'";
  2376. $rs_check = Database::query($sql);
  2377. // Then update or insert.
  2378. if (Database::num_rows($rs_check) > 0) {
  2379. $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 2
  2380. WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  2381. Database::query($sql);
  2382. if (Database::affected_rows() > 0) {
  2383. return true;
  2384. } else {
  2385. return false;
  2386. }
  2387. } else {
  2388. $sql = "INSERT INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, status)
  2389. VALUES('$session_id', '$course_code', '$user_id', 2)";
  2390. Database::query($sql);
  2391. if (Database::affected_rows() > 0) {
  2392. return true;
  2393. } else {
  2394. return false;
  2395. }
  2396. }
  2397. }
  2398. } else {
  2399. return false;
  2400. }
  2401. }
  2402. /**
  2403. * Subscribes sessions to human resource manager (Dashboard feature)
  2404. * @param array $userInfo Human Resource Manager info
  2405. * @param array $sessions_list Sessions id
  2406. * @param bool $sendEmail
  2407. * @param bool $removeOldConnections
  2408. * @return int
  2409. * */
  2410. public static function suscribe_sessions_to_hr_manager(
  2411. $userInfo,
  2412. $sessions_list,
  2413. $sendEmail = false,
  2414. $removeOldConnections = true
  2415. ) {
  2416. // Database Table Definitions
  2417. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2418. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2419. if (empty($userInfo)) {
  2420. return 0;
  2421. }
  2422. $userId = $userInfo['user_id'];
  2423. // Only subscribe DRH users.
  2424. if ($userInfo['status'] != DRH) {
  2425. return 0;
  2426. }
  2427. $affected_rows = 0;
  2428. // Deleting assigned sessions to hrm_id.
  2429. if ($removeOldConnections) {
  2430. if (api_is_multiple_url_enabled()) {
  2431. $sql = "SELECT id_session
  2432. FROM $tbl_session_rel_user s
  2433. INNER JOIN $tbl_session_rel_access_url a ON (a.session_id = s.id_session)
  2434. WHERE
  2435. id_user = $userId AND
  2436. relation_type=" . SESSION_RELATION_TYPE_RRHH . " AND
  2437. access_url_id = " . api_get_current_access_url_id() . "";
  2438. } else {
  2439. $sql = "SELECT id_session FROM $tbl_session_rel_user s
  2440. WHERE id_user = $userId AND relation_type=" . SESSION_RELATION_TYPE_RRHH . "";
  2441. }
  2442. $result = Database::query($sql);
  2443. if (Database::num_rows($result) > 0) {
  2444. while ($row = Database::fetch_array($result)) {
  2445. $sql = "DELETE FROM $tbl_session_rel_user
  2446. WHERE
  2447. id_session = {$row['id_session']} AND
  2448. id_user = $userId AND
  2449. relation_type=" . SESSION_RELATION_TYPE_RRHH . " ";
  2450. Database::query($sql);
  2451. }
  2452. }
  2453. }
  2454. // Inserting new sessions list.
  2455. if (!empty($sessions_list) && is_array($sessions_list)) {
  2456. foreach ($sessions_list as $session_id) {
  2457. $session_id = intval($session_id);
  2458. $sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user, relation_type)
  2459. VALUES ($session_id, $userId, '" . SESSION_RELATION_TYPE_RRHH . "')";
  2460. Database::query($sql);
  2461. $affected_rows++;
  2462. }
  2463. }
  2464. return $affected_rows;
  2465. }
  2466. /**
  2467. * @param int $sessionId
  2468. * @return array
  2469. */
  2470. public static function getDrhUsersInSession($sessionId)
  2471. {
  2472. return self::get_users_by_session($sessionId, SESSION_RELATION_TYPE_RRHH);
  2473. }
  2474. /**
  2475. * @param int $userId
  2476. * @param int $sessionId
  2477. * @return array
  2478. */
  2479. public static function getSessionFollowedByDrh($userId, $sessionId)
  2480. {
  2481. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2482. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2483. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2484. $userId = intval($userId);
  2485. $sessionId = intval($sessionId);
  2486. $select = " SELECT * ";
  2487. if (api_is_multiple_url_enabled()) {
  2488. $sql = " $select FROM $tbl_session s
  2489. INNER JOIN $tbl_session_rel_user sru ON (sru.id_session = s.id)
  2490. LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
  2491. WHERE
  2492. sru.id_user = '$userId' AND
  2493. sru.id_session = '$sessionId' AND
  2494. sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "' AND
  2495. access_url_id = " . api_get_current_access_url_id() . "
  2496. ";
  2497. } else {
  2498. $sql = "$select FROM $tbl_session s
  2499. INNER JOIN $tbl_session_rel_user sru
  2500. ON
  2501. sru.id_session = s.id AND
  2502. sru.id_user = '$userId' AND
  2503. sru.id_session = '$sessionId' AND
  2504. sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "'
  2505. ";
  2506. }
  2507. $result = Database::query($sql);
  2508. if (Database::num_rows($result)) {
  2509. $row = Database::fetch_array($result, 'ASSOC');
  2510. $row['course_list'] = self::get_course_list_by_session_id($sessionId);
  2511. return $row;
  2512. }
  2513. return array();
  2514. }
  2515. /**
  2516. * Get sessions followed by human resources manager
  2517. * @param int $userId
  2518. * @param int $start
  2519. * @param int $limit
  2520. * @param bool $getCount
  2521. * @param bool $getOnlySessionId
  2522. * @param bool $getSql
  2523. * @param string $orderCondition
  2524. * @return array sessions
  2525. */
  2526. public static function get_sessions_followed_by_drh(
  2527. $userId,
  2528. $start = null,
  2529. $limit = null,
  2530. $getCount = false,
  2531. $getOnlySessionId = false,
  2532. $getSql = false,
  2533. $orderCondition = null,
  2534. $keyword = null
  2535. ) {
  2536. return self::getSessionsFollowedByUser(
  2537. $userId,
  2538. DRH,
  2539. $start,
  2540. $limit,
  2541. $getCount,
  2542. $getOnlySessionId,
  2543. $getSql,
  2544. $orderCondition,
  2545. $keyword
  2546. );
  2547. }
  2548. /**
  2549. * Get sessions followed by human resources manager
  2550. * @param int $userId
  2551. * @param int $start
  2552. * @param int $limit
  2553. * @param bool $getCount
  2554. * @param bool $getOnlySessionId
  2555. * @param bool $getSql
  2556. * @param string $orderCondition
  2557. * @param string $keyword
  2558. * @return array sessions
  2559. */
  2560. public static function getSessionsFollowedByUser(
  2561. $userId,
  2562. $status = null,
  2563. $start = null,
  2564. $limit = null,
  2565. $getCount = false,
  2566. $getOnlySessionId = false,
  2567. $getSql = false,
  2568. $orderCondition = null,
  2569. $keyword = null
  2570. ) {
  2571. // Database Table Definitions
  2572. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2573. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2574. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2575. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2576. $userId = intval($userId);
  2577. $select = " SELECT DISTINCT * ";
  2578. if ($getCount) {
  2579. $select = " SELECT count(DISTINCT(s.id)) as count ";
  2580. }
  2581. if ($getOnlySessionId) {
  2582. $select = " SELECT DISTINCT(s.id) ";
  2583. }
  2584. $limitCondition = null;
  2585. if (!empty($start) && !empty($limit)) {
  2586. $limitCondition = " LIMIT " . intval($start) . ", " . intval($limit);
  2587. }
  2588. if (empty($orderCondition)) {
  2589. $orderCondition = " ORDER BY s.name ";
  2590. }
  2591. $whereConditions = null;
  2592. $sessionCourseConditions = null;
  2593. $sessionConditions = null;
  2594. $sessionQuery = null;
  2595. $courseSessionQuery = null;
  2596. switch ($status) {
  2597. case DRH:
  2598. $sessionQuery = "SELECT sru.id_session
  2599. FROM
  2600. $tbl_session_rel_user sru
  2601. WHERE
  2602. sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' AND
  2603. sru.id_user = $userId";
  2604. break;
  2605. case COURSEMANAGER:
  2606. $courseSessionQuery = "
  2607. SELECT scu.id_session as id
  2608. FROM $tbl_session_rel_course_rel_user scu
  2609. WHERE (scu.status = 2 AND scu.id_user = $userId)";
  2610. $whereConditions = " OR (s.id_coach = $userId) ";
  2611. break;
  2612. default:
  2613. $sessionQuery = "SELECT sru.id_session
  2614. FROM
  2615. $tbl_session_rel_user sru
  2616. WHERE
  2617. sru.id_user = $userId";
  2618. break;
  2619. }
  2620. $keywordCondition = null;
  2621. if (!empty($keyword)) {
  2622. $keyword = Database::escape_string($keyword);
  2623. $keywordCondition = " AND (s.name LIKE '%$keyword%' ) ";
  2624. }
  2625. $whereConditions .= $keywordCondition;
  2626. $subQuery = $sessionQuery.$courseSessionQuery;
  2627. $sql = " $select FROM $tbl_session s
  2628. INNER JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
  2629. WHERE
  2630. access_url_id = ".api_get_current_access_url_id()." AND
  2631. s.id IN (
  2632. $subQuery
  2633. )
  2634. $whereConditions
  2635. $orderCondition
  2636. $limitCondition";
  2637. if ($getSql) {
  2638. return $sql;
  2639. }
  2640. $result = Database::query($sql);
  2641. if ($getCount) {
  2642. $row = Database::fetch_array($result);
  2643. return $row['count'];
  2644. }
  2645. $sessions = array();
  2646. if (Database::num_rows($result) > 0) {
  2647. while ($row = Database::fetch_array($result)) {
  2648. $sessions[$row['id']] = $row;
  2649. }
  2650. }
  2651. return $sessions;
  2652. }
  2653. /**
  2654. * Gets the list of courses by session filtered by access_url
  2655. * @param int $session_id
  2656. * @param string $course_name
  2657. * @return array list of courses
  2658. */
  2659. public static function get_course_list_by_session_id(
  2660. $session_id,
  2661. $course_name = '',
  2662. $orderBy = null
  2663. ) {
  2664. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2665. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2666. $session_id = intval($session_id);
  2667. // select the courses
  2668. $sql = "SELECT * FROM $tbl_course c
  2669. INNER JOIN $tbl_session_rel_course src
  2670. ON c.code = src.course_code
  2671. WHERE src.id_session = '$session_id' ";
  2672. if (!empty($course_name)) {
  2673. $course_name = Database::escape_string($course_name);
  2674. $sql .= " AND c.title LIKE '%$course_name%' ";
  2675. }
  2676. if (!empty($orderBy)) {
  2677. $orderBy = Database::escape_string($orderBy);
  2678. $orderBy = " ORDER BY $orderBy";
  2679. } else {
  2680. if (SessionManager::orderCourseIsEnabled()) {
  2681. $orderBy .= " ORDER BY position ";
  2682. } else {
  2683. $orderBy .= " ORDER BY title ";
  2684. }
  2685. }
  2686. $sql .= Database::escape_string($orderBy);
  2687. $result = Database::query($sql);
  2688. $num_rows = Database::num_rows($result);
  2689. $courses = array();
  2690. if ($num_rows > 0) {
  2691. while ($row = Database::fetch_array($result,'ASSOC')) {
  2692. $courses[$row['id']] = $row;
  2693. }
  2694. }
  2695. return $courses;
  2696. }
  2697. /**
  2698. * Gets the list of courses by session filtered by access_url
  2699. *
  2700. * @param $userId
  2701. * @param $sessionId
  2702. * @param null $from
  2703. * @param null $limit
  2704. * @param null $column
  2705. * @param null $direction
  2706. * @param bool $getCount
  2707. * @return array
  2708. */
  2709. public static function getAllCoursesFollowedByUser(
  2710. $userId,
  2711. $sessionId,
  2712. $from = null,
  2713. $limit = null,
  2714. $column = null,
  2715. $direction = null,
  2716. $getCount = false,
  2717. $keyword = null
  2718. ) {
  2719. if (empty($sessionId)) {
  2720. $sessionsSQL = SessionManager::get_sessions_followed_by_drh(
  2721. $userId,
  2722. null,
  2723. null,
  2724. null,
  2725. true,
  2726. true
  2727. );
  2728. } else {
  2729. $sessionsSQL = intval($sessionId);
  2730. }
  2731. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2732. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2733. if ($getCount) {
  2734. $select = "SELECT COUNT(DISTINCT(c.code)) as count ";
  2735. } else {
  2736. $select = "SELECT DISTINCT c.* ";
  2737. }
  2738. $keywordCondition = null;
  2739. if (!empty($keyword)) {
  2740. $keyword = Database::escape_string($keyword);
  2741. $keywordCondition = " AND (c.code LIKE '%$keyword%' OR c.title LIKE '%$keyword%' ) ";
  2742. }
  2743. // Select the courses
  2744. $sql = "$select
  2745. FROM $tbl_course c
  2746. INNER JOIN $tbl_session_rel_course src
  2747. ON c.code = src.course_code
  2748. WHERE
  2749. src.id_session IN ($sessionsSQL)
  2750. $keywordCondition
  2751. ";
  2752. if ($getCount) {
  2753. $result = Database::query($sql);
  2754. $row = Database::fetch_array($result,'ASSOC');
  2755. return $row['count'];
  2756. }
  2757. if (isset($from) && isset($limit)) {
  2758. $from = intval($from);
  2759. $limit = intval($limit);
  2760. $sql .= " LIMIT $from, $limit";
  2761. }
  2762. $result = Database::query($sql);
  2763. $num_rows = Database::num_rows($result);
  2764. $courses = array();
  2765. if ($num_rows > 0) {
  2766. while ($row = Database::fetch_array($result,'ASSOC')) {
  2767. $courses[$row['id']] = $row;
  2768. }
  2769. }
  2770. return $courses;
  2771. }
  2772. /**
  2773. * Gets the list of courses by session filtered by access_url
  2774. * @param int session id
  2775. * @param string course_name
  2776. * @return array list of courses
  2777. */
  2778. public static function get_course_list_by_session_id_like($session_id, $course_name = '')
  2779. {
  2780. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2781. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2782. $session_id = intval($session_id);
  2783. $course_name = Database::escape_string($course_name);
  2784. // select the courses
  2785. $sql = "SELECT * FROM $tbl_course c
  2786. INNER JOIN $tbl_session_rel_course src
  2787. ON c.code = src.course_code
  2788. WHERE src.id_session LIKE '$session_id'";
  2789. if (!empty($course_name)) {
  2790. $sql .= " AND UPPER(c.title) LIKE UPPER('%$course_name%') ";
  2791. }
  2792. $sql .= "ORDER BY title;";
  2793. $result = Database::query($sql);
  2794. $num_rows = Database::num_rows($result);
  2795. $courses = array();
  2796. if ($num_rows > 0) {
  2797. while ($row = Database::fetch_array($result, 'ASSOC')) {
  2798. $courses[$row['id']] = $row;
  2799. }
  2800. }
  2801. return $courses;
  2802. }
  2803. /**
  2804. * Gets the count of courses by session filtered by access_url
  2805. * @param int session id
  2806. * @return array list of courses
  2807. */
  2808. public static function getCourseCountBySessionId($session_id, $keyword = null)
  2809. {
  2810. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2811. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2812. $session_id = intval($session_id);
  2813. // select the courses
  2814. $sql = "SELECT COUNT(c.code) count
  2815. FROM $tbl_course c
  2816. INNER JOIN $tbl_session_rel_course src
  2817. ON c.code = src.course_code
  2818. WHERE src.id_session = '$session_id' ";
  2819. $keywordCondition = null;
  2820. if (!empty($keyword)) {
  2821. $keyword = Database::escape_string($keyword);
  2822. $keywordCondition = " AND (c.code LIKE '%$keyword%' OR c.title LIKE '%$keyword%' ) ";
  2823. }
  2824. $sql .= $keywordCondition;
  2825. $result = Database::query($sql);
  2826. $num_rows = Database::num_rows($result);
  2827. if ($num_rows > 0) {
  2828. $row = Database::fetch_array($result,'ASSOC');
  2829. return $row['count'];
  2830. }
  2831. return null;
  2832. }
  2833. /**
  2834. * Get the session id based on the original id and field name in the extra fields.
  2835. * Returns 0 if session was not found
  2836. *
  2837. * @param string $original_session_id_value Original session id
  2838. * @param string $original_session_id_name Original field name
  2839. * @return int Session id
  2840. */
  2841. public static function get_session_id_from_original_id($original_session_id_value, $original_session_id_name)
  2842. {
  2843. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  2844. $table_field = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  2845. $original_session_id_value = Database::escape_string($original_session_id_value);
  2846. $original_session_id_name = Database::escape_string($original_session_id_name);
  2847. $sql = "SELECT session_id
  2848. FROM $table_field sf INNER JOIN $t_sfv sfv ON sfv.field_id=sf.id
  2849. WHERE
  2850. field_variable='$original_session_id_name' AND
  2851. field_value='$original_session_id_value'";
  2852. $res_session = Database::query($sql);
  2853. $row = Database::fetch_object($res_session);
  2854. if ($row) {
  2855. return $row->session_id;
  2856. } else {
  2857. return 0;
  2858. }
  2859. }
  2860. /**
  2861. * Get users by session
  2862. * @param int $id session id
  2863. * @param int $status filter by status coach = 2
  2864. * @return array a list with an user list
  2865. */
  2866. public static function get_users_by_session($id, $status = null)
  2867. {
  2868. if (empty($id)) {
  2869. return array();
  2870. }
  2871. $id = intval($id);
  2872. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2873. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2874. $table_access_url_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  2875. $sql = "SELECT u.user_id, lastname, firstname, username, relation_type, access_url_id
  2876. FROM $tbl_user u
  2877. INNER JOIN $tbl_session_rel_user
  2878. ON u.user_id = $tbl_session_rel_user.id_user AND
  2879. $tbl_session_rel_user.id_session = $id
  2880. LEFT OUTER JOIN $table_access_url_user uu ON (uu.user_id = u.user_id)
  2881. ";
  2882. $urlId = api_get_current_access_url_id();
  2883. if (isset($status) && $status != '') {
  2884. $status = intval($status);
  2885. $sql .= " WHERE relation_type = $status (access_url_id = $urlId OR access_url_id is null )";
  2886. } else {
  2887. $sql .= " WHERE (access_url_id = $urlId OR access_url_id is null )";
  2888. }
  2889. $sql .= " ORDER BY relation_type, ";
  2890. $sql .= api_sort_by_first_name() ? ' firstname, lastname' : ' lastname, firstname';
  2891. $result = Database::query($sql);
  2892. $return_array = array();
  2893. while ($row = Database::fetch_array($result, 'ASSOC')) {
  2894. $return_array[] = $row;
  2895. }
  2896. return $return_array;
  2897. }
  2898. /**
  2899. * The general coach (field: session.id_coach)
  2900. * @param int $user_id user id
  2901. * @return array
  2902. */
  2903. public static function get_sessions_by_general_coach($user_id)
  2904. {
  2905. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2906. $user_id = intval($user_id);
  2907. // Session where we are general coach
  2908. $sql = "SELECT DISTINCT *
  2909. FROM $session_table
  2910. WHERE id_coach = $user_id";
  2911. if (api_is_multiple_url_enabled()) {
  2912. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2913. $access_url_id = api_get_current_access_url_id();
  2914. if ($access_url_id != -1) {
  2915. $sql = 'SELECT DISTINCT session.*
  2916. FROM ' . $session_table . ' session INNER JOIN ' . $tbl_session_rel_access_url . ' session_rel_url
  2917. ON (session.id = session_rel_url.session_id)
  2918. WHERE id_coach = ' . $user_id . ' AND access_url_id = ' . $access_url_id;
  2919. }
  2920. }
  2921. $sql .= ' ORDER by name';
  2922. $result = Database::query($sql);
  2923. return Database::store_result($result, 'ASSOC');
  2924. }
  2925. /**
  2926. * @param int $user_id
  2927. * @return array
  2928. */
  2929. public static function get_sessions_by_coach($user_id)
  2930. {
  2931. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2932. return Database::select('*', $session_table, array('where' => array('id_coach = ?' => $user_id)));
  2933. }
  2934. /**
  2935. * @param int $user_id
  2936. * @param string $course_code
  2937. * @param int $session_id
  2938. * @return array|bool
  2939. */
  2940. public static function get_user_status_in_course_session($user_id, $course_code, $session_id)
  2941. {
  2942. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2943. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2944. $sql = "SELECT session_rcru.status
  2945. FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2946. WHERE
  2947. session_rcru.id_user = user.user_id AND
  2948. session_rcru.id_session = '" . intval($session_id) . "' AND
  2949. session_rcru.course_code ='" . Database::escape_string($course_code) . "' AND
  2950. user.user_id = " . intval($user_id);
  2951. $result = Database::query($sql);
  2952. $status = false;
  2953. if (Database::num_rows($result)) {
  2954. $status = Database::fetch_row($result);
  2955. $status = $status['0'];
  2956. }
  2957. return $status;
  2958. }
  2959. /**
  2960. * Gets user status within a session
  2961. * @param $user_id
  2962. * @param $course_code
  2963. * @param $session_id
  2964. * @return int
  2965. * @assert (null,null,null) === false
  2966. */
  2967. public static function get_user_status_in_session($user_id, $course_code, $session_id)
  2968. {
  2969. if (empty($user_id) or empty($course_code) or empty($session_id)) {
  2970. return false;
  2971. }
  2972. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2973. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2974. $sql = "SELECT session_rcru.status
  2975. FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2976. WHERE session_rcru.id_user = user.user_id AND
  2977. session_rcru.id_session = '" . intval($session_id) . "' AND
  2978. session_rcru.course_code ='" . Database::escape_string($course_code) . "' AND
  2979. user.user_id = " . intval($user_id);
  2980. $result = Database::query($sql);
  2981. $status = false;
  2982. if (Database::num_rows($result)) {
  2983. $status = Database::fetch_row($result);
  2984. $status = $status['0'];
  2985. }
  2986. return $status;
  2987. }
  2988. /**
  2989. * @param int $id
  2990. * @return array
  2991. */
  2992. public static function get_all_sessions_by_promotion($id)
  2993. {
  2994. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  2995. return Database::select('*', $t, array('where' => array('promotion_id = ?' => $id)));
  2996. }
  2997. /**
  2998. * @param int $promotion_id
  2999. * @param array $list
  3000. */
  3001. public static function suscribe_sessions_to_promotion($promotion_id, $list)
  3002. {
  3003. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  3004. $params = array();
  3005. $params['promotion_id'] = 0;
  3006. Database::update($t, $params, array('promotion_id = ?' => $promotion_id));
  3007. $params['promotion_id'] = $promotion_id;
  3008. if (!empty($list)) {
  3009. foreach ($list as $session_id) {
  3010. $session_id = intval($session_id);
  3011. Database::update($t, $params, array('id = ?' => $session_id));
  3012. }
  3013. }
  3014. }
  3015. /**
  3016. * Updates a session status
  3017. * @param int session id
  3018. * @param int status
  3019. */
  3020. public static function set_session_status($session_id, $status)
  3021. {
  3022. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  3023. $params['visibility'] = $status;
  3024. Database::update($t, $params, array('id = ?' => $session_id));
  3025. }
  3026. /**
  3027. * Copies a session with the same data to a new session.
  3028. * The new copy is not assigned to the same promotion. @see suscribe_sessions_to_promotions() for that
  3029. * @param int Session ID
  3030. * @param bool Whether to copy the relationship with courses
  3031. * @param bool Whether to copy the relationship with users
  3032. * @param bool New courses will be created
  3033. * @return int The new session ID on success, 0 otherwise
  3034. * @todo make sure the extra session fields are copied too
  3035. */
  3036. public static function copy_session($id, $copy_courses = true, $copy_users = true, $create_new_courses = false, $set_exercises_lp_invisible = false)
  3037. {
  3038. $id = intval($id);
  3039. $s = self::fetch($id);
  3040. $s['year_start'] = substr($s['date_start'], 0, 4);
  3041. $s['month_start'] = substr($s['date_start'], 5, 2);
  3042. $s['day_start'] = substr($s['date_start'], 8, 2);
  3043. $s['year_end'] = substr($s['date_end'], 0, 4);
  3044. $s['month_end'] = substr($s['date_end'], 5, 2);
  3045. $s['day_end'] = substr($s['date_end'], 8, 2);
  3046. $consider_start = true;
  3047. if ($s['year_start'] . '-' . $s['month_start'] . '-' . $s['day_start'] == '0000-00-00') {
  3048. $consider_start = false;
  3049. }
  3050. $consider_end = true;
  3051. if ($s['year_end'] . '-' . $s['month_end'] . '-' . $s['day_end'] == '0000-00-00') {
  3052. $consider_end = false;
  3053. }
  3054. $sid = self::create_session(
  3055. $s['name'] . ' ' . get_lang('CopyLabelSuffix'),
  3056. $s['year_start'],
  3057. $s['month_start'],
  3058. $s['day_start'],
  3059. $s['year_end'],
  3060. $s['month_end'],
  3061. $s['day_end'],
  3062. $s['nb_days_acess_before_beginning'],
  3063. $s['nb_days_acess_after_end'],
  3064. false,
  3065. (int)$s['id_coach'],
  3066. $s['session_category_id'],
  3067. (int)$s['visibility'],
  3068. $consider_start,
  3069. $consider_end,
  3070. true
  3071. );
  3072. if (!is_numeric($sid) || empty($sid)) {
  3073. return false;
  3074. }
  3075. if ($copy_courses) {
  3076. // Register courses from the original session to the new session
  3077. $courses = self::get_course_list_by_session_id($id);
  3078. $short_courses = $new_short_courses = array();
  3079. if (is_array($courses) && count($courses) > 0) {
  3080. foreach ($courses as $course) {
  3081. $short_courses[] = $course;
  3082. }
  3083. }
  3084. $courses = null;
  3085. //We will copy the current courses of the session to new courses
  3086. if (!empty($short_courses)) {
  3087. if ($create_new_courses) {
  3088. //Just in case
  3089. if (function_exists('ini_set')) {
  3090. api_set_memory_limit('256M');
  3091. ini_set('max_execution_time', 0);
  3092. }
  3093. $params = array();
  3094. $params['skip_lp_dates'] = true;
  3095. foreach ($short_courses as $course_data) {
  3096. $course_info = CourseManager::copy_course_simple($course_data['title'] . ' ' . get_lang('CopyLabelSuffix'), $course_data['course_code'], $id, $sid, $params);
  3097. if ($course_info) {
  3098. //By default new elements are invisible
  3099. if ($set_exercises_lp_invisible) {
  3100. require_once api_get_path(SYS_CODE_PATH) . 'newscorm/learnpathList.class.php';
  3101. $list = new LearnpathList('', $course_info['code'], $sid);
  3102. $flat_list = $list->get_flat_list();
  3103. if (!empty($flat_list)) {
  3104. foreach ($flat_list as $lp_id => $data) {
  3105. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0, 0, 0, 0, $sid);
  3106. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0, 0, 0, 0);
  3107. }
  3108. }
  3109. $quiz_table = Database::get_course_table(TABLE_QUIZ_TEST);
  3110. $course_id = $course_info['real_id'];
  3111. //@todo check this query
  3112. $sql = "UPDATE $quiz_table SET active = 0 WHERE c_id = $course_id ";
  3113. $result = Database::query($sql);
  3114. }
  3115. $new_short_courses[] = $course_info['code'];
  3116. }
  3117. }
  3118. } else {
  3119. foreach ($short_courses as $course_data) {
  3120. $new_short_courses[] = $course_data['code'];
  3121. }
  3122. }
  3123. $short_courses = $new_short_courses;
  3124. self::add_courses_to_session($sid, $short_courses, true);
  3125. $short_courses = null;
  3126. }
  3127. }
  3128. if ($copy_users) {
  3129. // Register users from the original session to the new session
  3130. $users = self::get_users_by_session($id);
  3131. $short_users = array();
  3132. if (is_array($users) && count($users) > 0) {
  3133. foreach ($users as $user) {
  3134. $short_users[] = $user['user_id'];
  3135. }
  3136. }
  3137. $users = null;
  3138. //Subscribing in read only mode
  3139. self::suscribe_users_to_session($sid, $short_users, SESSION_VISIBLE_READ_ONLY, true, false);
  3140. $short_users = null;
  3141. }
  3142. return $sid;
  3143. }
  3144. /**
  3145. * @param int $user_id
  3146. * @param int $session_id
  3147. * @return bool
  3148. */
  3149. static function user_is_general_coach($user_id, $session_id)
  3150. {
  3151. $session_id = intval($session_id);
  3152. $user_id = intval($user_id);
  3153. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  3154. $sql = "SELECT DISTINCT id
  3155. FROM $session_table
  3156. WHERE session.id_coach = '" . $user_id . "' AND id = '$session_id'";
  3157. $result = Database::query($sql);
  3158. if ($result && Database::num_rows($result)) {
  3159. return true;
  3160. }
  3161. return false;
  3162. }
  3163. /**
  3164. * Get the number of sessions
  3165. * @param int ID of the URL we want to filter on (optional)
  3166. * @return int Number of sessions
  3167. */
  3168. public static function count_sessions($access_url_id = null)
  3169. {
  3170. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  3171. $access_url_rel_session_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  3172. $sql = "SELECT count(id) FROM $session_table s";
  3173. if (!empty($access_url_id) && $access_url_id == intval($access_url_id)) {
  3174. $sql .= ", $access_url_rel_session_table u " .
  3175. " WHERE s.id = u.session_id AND u.access_url_id = $access_url_id";
  3176. }
  3177. $res = Database::query($sql);
  3178. $row = Database::fetch_row($res);
  3179. return $row[0];
  3180. }
  3181. /**
  3182. * Protect a session to be edited.
  3183. * @param int $id
  3184. */
  3185. static function protect_session_edit($id)
  3186. {
  3187. api_protect_admin_script(true);
  3188. $session_info = self::fetch($id);
  3189. if (empty($session_info)) {
  3190. api_not_allowed(true);
  3191. }
  3192. if (!api_is_platform_admin() &&
  3193. api_get_setting('allow_session_admins_to_manage_all_sessions') != 'true'
  3194. ) {
  3195. if ($session_info['session_admin_id'] != api_get_user_id()) {
  3196. api_not_allowed(true);
  3197. }
  3198. }
  3199. }
  3200. /**
  3201. * @param $id
  3202. * @return bool
  3203. */
  3204. static function protect_teacher_session_edit($id)
  3205. {
  3206. if (!api_is_coach($id) && !api_is_platform_admin()) {
  3207. api_not_allowed(true);
  3208. } else {
  3209. return true;
  3210. }
  3211. }
  3212. /**
  3213. * @param string $course_code
  3214. * @return array
  3215. */
  3216. public static function get_session_by_course($course_code)
  3217. {
  3218. $table_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  3219. $table_session = Database::get_main_table(TABLE_MAIN_SESSION);
  3220. $course_code = Database::escape_string($course_code);
  3221. $sql = "SELECT name, s.id
  3222. FROM $table_session_course sc
  3223. INNER JOIN $table_session s ON (sc.id_session = s.id)
  3224. WHERE sc.course_code = '$course_code' ";
  3225. $result = Database::query($sql);
  3226. return Database::store_result($result);
  3227. }
  3228. /**
  3229. * @param int $user_id
  3230. * @param bool $ignore_visibility_for_admins
  3231. * @return array
  3232. */
  3233. public static function get_sessions_by_user($user_id, $ignore_visibility_for_admins = false)
  3234. {
  3235. $session_categories = UserManager::get_sessions_by_category(
  3236. $user_id,
  3237. false,
  3238. $ignore_visibility_for_admins
  3239. );
  3240. $session_array = array();
  3241. if (!empty($session_categories)) {
  3242. foreach ($session_categories as $category) {
  3243. if (isset($category['sessions'])) {
  3244. foreach ($category['sessions'] as $session) {
  3245. $session_array[] = $session;
  3246. }
  3247. }
  3248. }
  3249. }
  3250. return $session_array;
  3251. }
  3252. /**
  3253. * @param string $file
  3254. * @param bool $updateSession options:
  3255. * true: if the session exists it will be updated.
  3256. * false: if session exists a new session will be created adding a counter session1, session2, etc
  3257. * @param int $defaultUserId
  3258. * @param mixed $logger
  3259. * @param array $extraFields convert a file row to an extra field. Example in CSV file there's a SessionID then it will
  3260. * converted to extra_external_session_id if you set this: array('SessionId' => 'extra_external_session_id')
  3261. * @param string $extraFieldId
  3262. * @param int $daysCoachAccessBeforeBeginning
  3263. * @param int $daysCoachAccessAfterBeginning
  3264. * @param int $sessionVisibility
  3265. * @param array $fieldsToAvoidUpdate
  3266. * @param bool $deleteUsersNotInList
  3267. * @param bool $updateCourseCoaches
  3268. * @param bool $sessionWithCoursesModifier
  3269. * @param int $showDescription
  3270. * @return array
  3271. */
  3272. static function importCSV(
  3273. $file,
  3274. $updateSession,
  3275. $defaultUserId = null,
  3276. $logger = null,
  3277. $extraFields = array(),
  3278. $extraFieldId = null,
  3279. $daysCoachAccessBeforeBeginning = null,
  3280. $daysCoachAccessAfterBeginning = null,
  3281. $sessionVisibility = 1,
  3282. $fieldsToAvoidUpdate = array(),
  3283. $deleteUsersNotInList = false,
  3284. $updateCourseCoaches = false,
  3285. $sessionWithCoursesModifier = false,
  3286. $addOriginalCourseTeachersAsCourseSessionCoaches = true,
  3287. $removeAllTeachersFromCourse = true,
  3288. $showDescription = null
  3289. ) {
  3290. $content = file($file);
  3291. $error_message = null;
  3292. $session_counter = 0;
  3293. if (empty($defaultUserId)) {
  3294. $defaultUserId = api_get_user_id();
  3295. }
  3296. $eol = PHP_EOL;
  3297. if (PHP_SAPI != 'cli') {
  3298. $eol = '<br />';
  3299. }
  3300. $debug = false;
  3301. if (isset($logger)) {
  3302. $debug = true;
  3303. }
  3304. $extraParameters = null;
  3305. if (!empty($daysCoachAccessBeforeBeginning) && !empty($daysCoachAccessAfterBeginning)) {
  3306. $extraParameters .= ' , nb_days_access_before_beginning = '.intval($daysCoachAccessBeforeBeginning);
  3307. $extraParameters .= ' , nb_days_access_after_end = '.intval($daysCoachAccessAfterBeginning);
  3308. }
  3309. if (!is_null($showDescription)) {
  3310. $extraParameters .= ' , show_description = '.intval($showDescription);
  3311. }
  3312. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  3313. $tbl_session_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  3314. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  3315. $tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3316. $sessions = array();
  3317. if (!api_strstr($content[0], ';')) {
  3318. $error_message = get_lang('NotCSV');
  3319. } else {
  3320. $tag_names = array();
  3321. foreach ($content as $key => $enreg) {
  3322. $enreg = explode(';', trim($enreg));
  3323. if ($key) {
  3324. foreach ($tag_names as $tag_key => $tag_name) {
  3325. $sessions[$key - 1][$tag_name] = $enreg[$tag_key];
  3326. }
  3327. } else {
  3328. foreach ($enreg as $tag_name) {
  3329. $tag_names[] = api_preg_replace('/[^a-zA-Z0-9_\-]/', '', $tag_name);
  3330. }
  3331. if (!in_array('SessionName', $tag_names) ||
  3332. !in_array('DateStart', $tag_names) ||
  3333. !in_array('DateEnd', $tag_names)
  3334. ) {
  3335. $error_message = get_lang('NoNeededData');
  3336. break;
  3337. }
  3338. }
  3339. }
  3340. $sessionList = array();
  3341. // Looping the sessions.
  3342. foreach ($sessions as $enreg) {
  3343. $user_counter = 0;
  3344. $course_counter = 0;
  3345. if (isset($extraFields) && !empty($extraFields)) {
  3346. foreach ($extraFields as $original => $to) {
  3347. $enreg[$to] = isset($enreg[$original]) ? $enreg[$original] : null;
  3348. }
  3349. }
  3350. $session_name = Database::escape_string($enreg['SessionName']);
  3351. // Default visibility
  3352. $visibilityAfterExpirationPerSession = $sessionVisibility;
  3353. if (isset($enreg['VisibilityAfterExpiration'])) {
  3354. $visibility = $enreg['VisibilityAfterExpiration'];
  3355. switch ($visibility) {
  3356. case 'read_only':
  3357. $visibilityAfterExpirationPerSession = SESSION_VISIBLE_READ_ONLY;
  3358. break;
  3359. case 'accessible':
  3360. $visibilityAfterExpirationPerSession = SESSION_VISIBLE;
  3361. break;
  3362. case 'not_accessible':
  3363. $visibilityAfterExpirationPerSession = SESSION_INVISIBLE;
  3364. break;
  3365. }
  3366. }
  3367. if (empty($session_name)) {
  3368. continue;
  3369. }
  3370. $date_start = $enreg['DateStart'];
  3371. $date_end = $enreg['DateEnd'];
  3372. $session_category_id = isset($enreg['SessionCategory']) ? $enreg['SessionCategory'] : null;
  3373. $sessionDescription = isset($enreg['SessionDescription']) ? $enreg['SessionDescription'] : null;
  3374. $extraSessionParameters = null;
  3375. if (!empty($sessionDescription)) {
  3376. $extraSessionParameters = " , description = '".Database::escape_string($sessionDescription)."'";
  3377. }
  3378. // Searching a general coach.
  3379. if (!empty($enreg['Coach'])) {
  3380. $coach_id = UserManager::get_user_id_from_username($enreg['Coach']);
  3381. if ($coach_id === false) {
  3382. // If the coach-user does not exist - I'm the coach.
  3383. $coach_id = $defaultUserId;
  3384. }
  3385. } else {
  3386. $coach_id = $defaultUserId;
  3387. }
  3388. if (!$updateSession) {
  3389. // Always create a session.
  3390. $unique_name = false;
  3391. $i = 0;
  3392. // Change session name, verify that session doesn't exist.
  3393. $suffix = null;
  3394. while (!$unique_name) {
  3395. if ($i > 1) {
  3396. $suffix = ' - ' . $i;
  3397. }
  3398. $sql = 'SELECT 1 FROM ' . $tbl_session . ' WHERE name="' . $session_name . $suffix . '"';
  3399. $rs = Database::query($sql);
  3400. if (Database::result($rs, 0, 0)) {
  3401. $i++;
  3402. } else {
  3403. $unique_name = true;
  3404. $session_name .= $suffix;
  3405. }
  3406. }
  3407. // Creating the session.
  3408. $sql = "INSERT IGNORE INTO $tbl_session SET
  3409. name = '" . $session_name . "',
  3410. id_coach = '$coach_id',
  3411. date_start = '$date_start',
  3412. date_end = '$date_end',
  3413. visibility = '$visibilityAfterExpirationPerSession',
  3414. session_category_id = '$session_category_id',
  3415. session_admin_id = " . intval($defaultUserId) . $extraParameters . $extraSessionParameters;
  3416. Database::query($sql);
  3417. $session_id = Database::insert_id();
  3418. if ($debug) {
  3419. if ($session_id) {
  3420. foreach ($enreg as $key => $value) {
  3421. if (substr($key, 0, 6) == 'extra_') { //an extra field
  3422. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  3423. }
  3424. }
  3425. $logger->addInfo("Sessions - Session created: #$session_id - $session_name");
  3426. } else {
  3427. $logger->addError("Sessions - Session NOT created: $session_name");
  3428. }
  3429. }
  3430. $session_counter++;
  3431. } else {
  3432. $sessionId = null;
  3433. if (isset($extraFields) && !empty($extraFields) && !empty($enreg['extra_'.$extraFieldId])) {
  3434. $sessionId = self::get_session_id_from_original_id($enreg['extra_'.$extraFieldId], $extraFieldId);
  3435. if (empty($sessionId)) {
  3436. $my_session_result = false;
  3437. } else {
  3438. $my_session_result = true;
  3439. }
  3440. } else {
  3441. $my_session_result = self::get_session_by_name($enreg['SessionName']);
  3442. }
  3443. if ($my_session_result === false) {
  3444. // Creating a session.
  3445. $sql = "INSERT IGNORE INTO $tbl_session SET
  3446. name = '$session_name',
  3447. id_coach = '$coach_id',
  3448. date_start = '$date_start',
  3449. date_end = '$date_end',
  3450. visibility = '$visibilityAfterExpirationPerSession',
  3451. session_category_id = '$session_category_id' " . $extraParameters . $extraSessionParameters;
  3452. Database::query($sql);
  3453. // We get the last insert id.
  3454. $my_session_result = SessionManager::get_session_by_name($enreg['SessionName']);
  3455. $session_id = $my_session_result['id'];
  3456. if ($session_id) {
  3457. foreach ($enreg as $key => $value) {
  3458. if (substr($key, 0, 6) == 'extra_') { //an extra field
  3459. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  3460. }
  3461. }
  3462. if ($debug) {
  3463. $logger->addInfo("Sessions - #$session_id created: $session_name");
  3464. }
  3465. // Delete session-user relation only for students
  3466. $sql = "DELETE FROM $tbl_session_user
  3467. WHERE id_session = '$session_id' AND relation_type <> " . SESSION_RELATION_TYPE_RRHH;
  3468. Database::query($sql);
  3469. $sql = "DELETE FROM $tbl_session_course WHERE id_session = '$session_id'";
  3470. Database::query($sql);
  3471. // Delete session-course-user relationships students and coaches.
  3472. if ($updateCourseCoaches) {
  3473. $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status in ('0', '2')";
  3474. Database::query($sql);
  3475. } else {
  3476. // Delete session-course-user relation ships *only* for students.
  3477. $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status <> 2";
  3478. Database::query($sql);
  3479. }
  3480. }
  3481. } else {
  3482. if ($debug) {
  3483. $logger->addError("Sessions - Session to be updated: $session_name");
  3484. }
  3485. // Updating the session.
  3486. $params = array(
  3487. 'id_coach' => $coach_id,
  3488. 'date_start' => $date_start,
  3489. 'date_end' => $date_end,
  3490. 'visibility' => $visibilityAfterExpirationPerSession,
  3491. 'session_category_id' => $session_category_id
  3492. );
  3493. if (!empty($sessionDescription)) {
  3494. $params['description'] = $sessionDescription;
  3495. }
  3496. if (!empty($fieldsToAvoidUpdate)) {
  3497. foreach ($fieldsToAvoidUpdate as $field) {
  3498. unset($params[$field]);
  3499. }
  3500. }
  3501. if (isset($sessionId) && !empty($sessionId)) {
  3502. if (!empty($enreg['SessionName'])) {
  3503. $params['name'] = $enreg['SessionName'];
  3504. }
  3505. $session_id = $sessionId;
  3506. } else {
  3507. $row = Database::query("SELECT id FROM $tbl_session WHERE name = '$session_name'");
  3508. list($session_id) = Database::fetch_array($row);
  3509. }
  3510. if ($session_id) {
  3511. if ($debug) {
  3512. $logger->addError("Sessions - Session to be updated #$session_id");
  3513. }
  3514. $sessionInfo = api_get_session_info($session_id);
  3515. $params['show_description'] = isset($sessionInfo['show_description']) ? $sessionInfo['show_description'] : intval($showDescription);
  3516. if (!empty($daysCoachAccessBeforeBeginning) && !empty($daysCoachAccessAfterBeginning)) {
  3517. if (empty($sessionInfo['nb_days_access_before_beginning']) ||
  3518. (!empty($sessionInfo['nb_days_access_before_beginning']) &&
  3519. $sessionInfo['nb_days_access_before_beginning'] < $daysCoachAccessBeforeBeginning)
  3520. ) {
  3521. $params['nb_days_access_before_beginning'] = intval($daysCoachAccessBeforeBeginning);
  3522. }
  3523. if (empty($sessionInfo['nb_days_access_after_end']) ||
  3524. (!empty($sessionInfo['nb_days_access_after_end']) &&
  3525. $sessionInfo['nb_days_access_after_end'] < $daysCoachAccessAfterBeginning)
  3526. ) {
  3527. $params['nb_days_access_after_end'] = intval($daysCoachAccessAfterBeginning);
  3528. }
  3529. }
  3530. Database::update($tbl_session, $params, array('id = ?' => $session_id));
  3531. foreach ($enreg as $key => $value) {
  3532. if (substr($key, 0, 6) == 'extra_') { //an extra field
  3533. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  3534. }
  3535. }
  3536. // Delete session-user relation only for students
  3537. $sql = "DELETE FROM $tbl_session_user
  3538. WHERE id_session = '$session_id' AND relation_type <> " . SESSION_RELATION_TYPE_RRHH;
  3539. Database::query($sql);
  3540. $sql = "DELETE FROM $tbl_session_course WHERE id_session = '$session_id'";
  3541. Database::query($sql);
  3542. // Delete session-course-user relationships students and coaches.
  3543. if ($updateCourseCoaches) {
  3544. $sql = "DELETE FROM $tbl_session_course_user
  3545. WHERE id_session = '$session_id' AND status in ('0', '2')";
  3546. Database::query($sql);
  3547. } else {
  3548. // Delete session-course-user relation ships *only* for students.
  3549. $sql = "DELETE FROM $tbl_session_course_user
  3550. WHERE id_session = '$session_id' AND status <> 2";
  3551. Database::query($sql);
  3552. }
  3553. } else {
  3554. if ($debug) {
  3555. $logger->addError(
  3556. "Sessions - Session not found"
  3557. );
  3558. }
  3559. }
  3560. }
  3561. $session_counter++;
  3562. }
  3563. $sessionList[] = $session_id;
  3564. $users = explode('|', $enreg['Users']);
  3565. // Adding the relationship "Session - User" for students
  3566. $userList = array();
  3567. if (is_array($users)) {
  3568. foreach ($users as $user) {
  3569. $user_id = UserManager::get_user_id_from_username($user);
  3570. if ($user_id !== false) {
  3571. $userList[] = $user_id;
  3572. // Insert new users.
  3573. $sql = "INSERT IGNORE INTO $tbl_session_user SET
  3574. id_user = '$user_id',
  3575. id_session = '$session_id'";
  3576. Database::query($sql);
  3577. if ($debug) {
  3578. $logger->addInfo("Sessions - Adding User #$user_id ($user) to session #$session_id");
  3579. }
  3580. $user_counter++;
  3581. }
  3582. }
  3583. }
  3584. if ($deleteUsersNotInList) {
  3585. // Getting user in DB in order to compare to the new list.
  3586. $usersListInDatabase = self::get_users_by_session($session_id, 0);
  3587. if (!empty($usersListInDatabase)) {
  3588. if (empty($userList)) {
  3589. foreach ($usersListInDatabase as $userInfo) {
  3590. self::unsubscribe_user_from_session($session_id, $userInfo['user_id']);
  3591. }
  3592. } else {
  3593. foreach ($usersListInDatabase as $userInfo) {
  3594. if (!in_array($userInfo['user_id'], $userList)) {
  3595. self::unsubscribe_user_from_session($session_id, $userInfo['user_id']);
  3596. }
  3597. }
  3598. }
  3599. }
  3600. }
  3601. $courses = explode('|', $enreg['Courses']);
  3602. // See BT#6449
  3603. $onlyAddFirstCoachOrTeacher = false;
  3604. if ($sessionWithCoursesModifier) {
  3605. if (count($courses) >= 2) {
  3606. // Only first teacher in course session;
  3607. $onlyAddFirstCoachOrTeacher = true;
  3608. // Remove all teachers from course.
  3609. $removeAllTeachersFromCourse = false;
  3610. }
  3611. }
  3612. foreach ($courses as $course) {
  3613. $courseArray = bracketsToArray($course);
  3614. $course_code = $courseArray[0];
  3615. if (CourseManager::course_exists($course_code)) {
  3616. $courseInfo = api_get_course_info($course_code);
  3617. // Adding the course to a session.
  3618. $sql = "INSERT IGNORE INTO $tbl_session_course
  3619. SET course_code = '$course_code', id_session='$session_id'";
  3620. Database::query($sql);
  3621. $course_info = api_get_course_info($course_code);
  3622. SessionManager::installCourse($session_id, $course_info['real_id']);
  3623. if ($debug) {
  3624. $logger->addInfo("Sessions - Adding course '$course_code' to session #$session_id");
  3625. }
  3626. $course_counter++;
  3627. $course_coaches = isset($courseArray[1]) ? $courseArray[1] : null;
  3628. $course_users = isset($courseArray[2]) ? $courseArray[2] : null;
  3629. $course_users = explode(',', $course_users);
  3630. $course_coaches = explode(',', $course_coaches);
  3631. // Checking if the flag is set TeachersWillBeAddedAsCoachInAllCourseSessions (course_edit.php)
  3632. $addTeachersToSession = true;
  3633. if (array_key_exists('add_teachers_to_sessions_courses', $courseInfo)) {
  3634. $addTeachersToSession = $courseInfo['add_teachers_to_sessions_courses'];
  3635. }
  3636. // If any user provided for a course, use the users array.
  3637. if (empty($course_users)) {
  3638. if (!empty($userList)) {
  3639. SessionManager::subscribe_users_to_session_course(
  3640. $userList,
  3641. $session_id,
  3642. $course_code
  3643. );
  3644. if ($debug) {
  3645. $msg = "Sessions - Adding student list ".implode(', #', $userList)." to course: '$course_code' and session #$session_id";
  3646. $logger->addInfo($msg);
  3647. }
  3648. }
  3649. }
  3650. // Adding coaches to session course user.
  3651. if (!empty($course_coaches)) {
  3652. $savedCoaches = array();
  3653. // only edit if add_teachers_to_sessions_courses is set.
  3654. if ($addTeachersToSession) {
  3655. if ($addOriginalCourseTeachersAsCourseSessionCoaches) {
  3656. // Adding course teachers as course session teachers.
  3657. $alreadyAddedTeachers = CourseManager::get_teacher_list_from_course_code(
  3658. $course_code
  3659. );
  3660. if (!empty($alreadyAddedTeachers)) {
  3661. $teachersToAdd = array();
  3662. foreach ($alreadyAddedTeachers as $user) {
  3663. $teachersToAdd[] = $user['username'];
  3664. }
  3665. $course_coaches = array_merge(
  3666. $course_coaches,
  3667. $teachersToAdd
  3668. );
  3669. }
  3670. }
  3671. foreach ($course_coaches as $course_coach) {
  3672. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3673. if ($coach_id !== false) {
  3674. // Just insert new coaches
  3675. SessionManager::updateCoaches($session_id, $course_code, array($coach_id), false);
  3676. if ($debug) {
  3677. $logger->addInfo("Sessions - Adding course coach: user #$coach_id ($course_coach) to course: '$course_code' and session #$session_id");
  3678. }
  3679. $savedCoaches[] = $coach_id;
  3680. } else {
  3681. $error_message .= get_lang('UserDoesNotExist').' : '.$course_coach.$eol;
  3682. }
  3683. }
  3684. }
  3685. // Custom courses/session coaches
  3686. $teacherToAdd = null;
  3687. // Only one coach is added.
  3688. if ($onlyAddFirstCoachOrTeacher == true) {
  3689. foreach ($course_coaches as $course_coach) {
  3690. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3691. if ($coach_id !== false) {
  3692. $teacherToAdd = $coach_id;
  3693. break;
  3694. }
  3695. }
  3696. // Un subscribe everyone that's not in the list.
  3697. $teacherList = CourseManager::get_teacher_list_from_course_code($course_code);
  3698. if (!empty($teacherList)) {
  3699. foreach ($teacherList as $teacher) {
  3700. if ($teacherToAdd != $teacher['user_id']) {
  3701. CourseManager::unsubscribe_user(
  3702. $teacher['user_id'],
  3703. $course_code
  3704. );
  3705. }
  3706. }
  3707. }
  3708. if (!empty($teacherToAdd)) {
  3709. SessionManager::updateCoaches($session_id, $course_code, array($teacherToAdd), true);
  3710. CourseManager::subscribe_user(
  3711. $teacherToAdd,
  3712. $course_code,
  3713. COURSEMANAGER
  3714. );
  3715. }
  3716. }
  3717. // See BT#6449#note-195
  3718. // All coaches are added.
  3719. if ($removeAllTeachersFromCourse) {
  3720. $teacherToAdd = null;
  3721. foreach ($course_coaches as $course_coach) {
  3722. $coach_id = UserManager::get_user_id_from_username(
  3723. $course_coach
  3724. );
  3725. if ($coach_id !== false) {
  3726. $teacherToAdd[] = $coach_id;
  3727. }
  3728. }
  3729. if (!empty($teacherToAdd)) {
  3730. // Deleting all course teachers and adding the only coach as teacher.
  3731. $teacherList = CourseManager::get_teacher_list_from_course_code($course_code);
  3732. if (!empty($teacherList)) {
  3733. foreach ($teacherList as $teacher) {
  3734. if (!in_array($teacher['user_id'], $teacherToAdd)) {
  3735. CourseManager::unsubscribe_user(
  3736. $teacher['user_id'],
  3737. $course_code
  3738. );
  3739. }
  3740. }
  3741. }
  3742. foreach ($teacherToAdd as $teacherId) {
  3743. CourseManager::subscribe_user(
  3744. $teacherId,
  3745. $course_code,
  3746. COURSEMANAGER
  3747. );
  3748. }
  3749. }
  3750. }
  3751. // Continue default behaviour.
  3752. if ($onlyAddFirstCoachOrTeacher == false) {
  3753. // Checking one more time see BT#6449#note-149
  3754. $coaches = SessionManager::getCoachesByCourseSession($session_id, $course_code);
  3755. // Update coaches if only there's 1 course see BT#6449#note-189
  3756. if (empty($coaches) || count($courses) == 1) {
  3757. foreach ($course_coaches as $course_coach) {
  3758. $course_coach = trim($course_coach);
  3759. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3760. if ($coach_id !== false) {
  3761. // Just insert new coaches
  3762. SessionManager::updateCoaches(
  3763. $session_id,
  3764. $course_code,
  3765. array($coach_id),
  3766. false
  3767. );
  3768. if ($debug) {
  3769. $logger->addInfo("Sessions - Adding course coach: user #$coach_id ($course_coach) to course: '$course_code' and session #$session_id");
  3770. }
  3771. $savedCoaches[] = $coach_id;
  3772. } else {
  3773. $error_message .= get_lang('UserDoesNotExist').' : '.$course_coach.$eol;
  3774. }
  3775. }
  3776. }
  3777. }
  3778. }
  3779. // Adding Students, updating relationship "Session - Course - User".
  3780. $course_users = array_filter($course_users);
  3781. if (!empty($course_users)) {
  3782. foreach ($course_users as $user) {
  3783. $user_id = UserManager::get_user_id_from_username($user);
  3784. if ($user_id !== false) {
  3785. SessionManager::subscribe_users_to_session_course(
  3786. array($user_id),
  3787. $session_id,
  3788. $course_code
  3789. );
  3790. if ($debug) {
  3791. $logger->addInfo("Sessions - Adding student: user #$user_id ($user) to course: '$course_code' and session #$session_id");
  3792. }
  3793. } else {
  3794. $error_message .= get_lang('UserDoesNotExist').': '.$user.$eol;
  3795. }
  3796. }
  3797. }
  3798. $course_info = CourseManager::get_course_information($course_code);
  3799. $inserted_in_course[$course_code] = $course_info['title'];
  3800. }
  3801. }
  3802. $access_url_id = api_get_current_access_url_id();
  3803. UrlManager::add_session_to_url($session_id, $access_url_id);
  3804. $sql = "UPDATE $tbl_session SET nbr_users = '$user_counter', nbr_courses = '$course_counter' WHERE id = '$session_id'";
  3805. Database::query($sql);
  3806. }
  3807. }
  3808. return array(
  3809. 'error_message' => $error_message,
  3810. 'session_counter' => $session_counter,
  3811. 'session_list' => $sessionList
  3812. );
  3813. }
  3814. /**
  3815. * @param int $sessionId
  3816. * @param string $courseCode
  3817. * @return array
  3818. */
  3819. public static function getCoachesByCourseSession($sessionId, $courseCode)
  3820. {
  3821. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3822. $sessionId = intval($sessionId);
  3823. $courseCode = Database::escape_string($courseCode);
  3824. $sql = "SELECT id_user FROM $table
  3825. WHERE
  3826. id_session = '$sessionId' AND
  3827. course_code = '$courseCode' AND
  3828. status = 2";
  3829. $result = Database::query($sql);
  3830. $coaches = array();
  3831. if (Database::num_rows($result) > 0) {
  3832. while ($row = Database::fetch_row($result)) {
  3833. $coaches[] = $row[0];
  3834. }
  3835. }
  3836. return $coaches;
  3837. }
  3838. /**
  3839. * @param int $sessionId
  3840. * @param string $courseCode
  3841. * @return string
  3842. */
  3843. public static function getCoachesByCourseSessionToString(
  3844. $sessionId,
  3845. $courseCode
  3846. ) {
  3847. $coaches = self::getCoachesByCourseSession($sessionId, $courseCode);
  3848. $list = array();
  3849. if (!empty($coaches)) {
  3850. foreach ($coaches as $coachId) {
  3851. $userInfo = api_get_user_info($coachId);
  3852. $list[] = api_get_person_name(
  3853. $userInfo['firstname'],
  3854. $userInfo['lastname']
  3855. );
  3856. }
  3857. }
  3858. return array_to_string($list, CourseManager::USER_SEPARATOR);
  3859. }
  3860. /**
  3861. * Get all coaches added in the session - course relationship
  3862. * @param int $sessionId
  3863. * @return array
  3864. */
  3865. public static function getCoachesBySession($sessionId)
  3866. {
  3867. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3868. $sessionId = intval($sessionId);
  3869. $sql = "SELECT DISTINCT id_user
  3870. FROM $table
  3871. WHERE id_session = '$sessionId' AND status = 2";
  3872. $result = Database::query($sql);
  3873. $coaches = array();
  3874. if (Database::num_rows($result) > 0) {
  3875. while ($row = Database::fetch_array($result)) {
  3876. $coaches[] = $row['id_user'];
  3877. }
  3878. }
  3879. return $coaches;
  3880. }
  3881. /**
  3882. * @param int $userId
  3883. * @return array
  3884. */
  3885. public static function getAllCoursesFromAllSessionFromDrh($userId)
  3886. {
  3887. $sessions = SessionManager::get_sessions_followed_by_drh($userId);
  3888. $coursesFromSession = array();
  3889. if (!empty($sessions)) {
  3890. foreach ($sessions as $session) {
  3891. $courseList = SessionManager::get_course_list_by_session_id($session['id']);
  3892. foreach ($courseList as $course) {
  3893. $coursesFromSession[] = $course['code'];
  3894. }
  3895. }
  3896. }
  3897. return $coursesFromSession;
  3898. }
  3899. /**
  3900. * @param string $status
  3901. * @param int $userId
  3902. * @param bool $getCount
  3903. * @param int $from
  3904. * @param int $numberItems
  3905. * @param int $column
  3906. * @param string $direction
  3907. * @param string $keyword
  3908. * @param string $active
  3909. * @param string $lastConnectionDate
  3910. * @param array $sessionIdList
  3911. * @param array $studentIdList
  3912. * @param int $filterByStatus
  3913. * @return array|int
  3914. */
  3915. public static function getAllUsersFromCoursesFromAllSessionFromStatus(
  3916. $status,
  3917. $userId,
  3918. $getCount = false,
  3919. $from = null,
  3920. $numberItems = null,
  3921. $column = 1,
  3922. $direction = 'asc',
  3923. $keyword = null,
  3924. $active = null,
  3925. $lastConnectionDate = null,
  3926. $sessionIdList = array(),
  3927. $studentIdList = array(),
  3928. $filterByStatus = null
  3929. ) {
  3930. $filterByStatus = intval($filterByStatus);
  3931. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  3932. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  3933. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  3934. $tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  3935. $tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
  3936. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3937. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  3938. $direction = in_array(strtolower($direction), array('asc', 'desc')) ? $direction : 'asc';
  3939. $column = Database::escape_string($column);
  3940. $userId = intval($userId);
  3941. $limitCondition = null;
  3942. if (isset($from) && isset($numberItems)) {
  3943. $from = intval($from);
  3944. $numberItems = intval($numberItems);
  3945. $limitCondition = "LIMIT $from, $numberItems";
  3946. }
  3947. $urlId = api_get_current_access_url_id();
  3948. $sessionConditions = null;
  3949. $courseConditions = null;
  3950. $userConditions = null;
  3951. if (isset($active)) {
  3952. $active = intval($active);
  3953. $userConditions .= " AND active = $active";
  3954. }
  3955. switch ($status) {
  3956. case 'drh':
  3957. // Classic DRH
  3958. if (empty($studentIdList)) {
  3959. $studentListSql = UserManager::get_users_followed_by_drh(
  3960. $userId,
  3961. $filterByStatus,
  3962. true,
  3963. false
  3964. );
  3965. $studentIdList = array_keys($studentListSql);
  3966. $studentListSql = "'".implode("','", $studentIdList)."'";
  3967. } else {
  3968. $studentIdList = array_map('intval', $studentIdList);
  3969. $studentListSql = "'".implode("','", $studentIdList)."'";
  3970. }
  3971. if (!empty($studentListSql)) {
  3972. $userConditions = " AND u.user_id IN (".$studentListSql.") ";
  3973. }
  3974. break;
  3975. case 'drh_all':
  3976. // Show all by DRH
  3977. if (empty($sessionIdList)) {
  3978. $sessionsListSql = SessionManager::get_sessions_followed_by_drh(
  3979. $userId,
  3980. null,
  3981. null,
  3982. false,
  3983. true,
  3984. true
  3985. );
  3986. } else {
  3987. $sessionIdList = array_map('intval', $sessionIdList);
  3988. $sessionsListSql = "'".implode("','", $sessionIdList)."'";
  3989. }
  3990. if (!empty($sessionsListSql)) {
  3991. $sessionConditions = " AND s.id IN (".$sessionsListSql.") ";
  3992. }
  3993. break;
  3994. case 'session_admin';
  3995. $sessionConditions = " AND s.id_coach = $userId ";
  3996. break;
  3997. case 'admin':
  3998. break;
  3999. case 'teacher':
  4000. $sessionConditions = " AND s.id_coach = $userId ";
  4001. break;
  4002. }
  4003. $select = "SELECT DISTINCT u.* ";
  4004. $masterSelect = "SELECT DISTINCT * FROM ";
  4005. if ($getCount) {
  4006. $select = "SELECT DISTINCT u.user_id ";
  4007. $masterSelect = "SELECT COUNT(DISTINCT(user_id)) as count FROM ";
  4008. }
  4009. if (!empty($filterByStatus)) {
  4010. $userConditions .= " AND u.status = ".$filterByStatus;
  4011. }
  4012. if (!empty($lastConnectionDate)) {
  4013. $lastConnectionDate = Database::escape_string($lastConnectionDate);
  4014. $userConditions .= " AND u.last_login <= '$lastConnectionDate' ";
  4015. }
  4016. if (!empty($keyword)) {
  4017. $keyword = Database::escape_string($keyword);
  4018. $userConditions .= " AND (
  4019. u.username LIKE '%$keyword%' OR
  4020. u.firstname LIKE '%$keyword%' OR
  4021. u.lastname LIKE '%$keyword%' OR
  4022. u.official_code LIKE '%$keyword%' OR
  4023. u.email LIKE '%$keyword%'
  4024. )";
  4025. }
  4026. $where = " WHERE
  4027. access_url_id = $urlId
  4028. $userConditions
  4029. ";
  4030. $sql = "$masterSelect (
  4031. ($select
  4032. FROM $tbl_session s
  4033. INNER JOIN $tbl_session_rel_course_rel_user su ON (s.id = su.id_session)
  4034. INNER JOIN $tbl_user u ON (u.user_id = su.id_user AND s.id = id_session)
  4035. INNER JOIN $tbl_session_rel_access_url url ON (url.session_id = s.id)
  4036. $where
  4037. $sessionConditions
  4038. )
  4039. UNION (
  4040. $select
  4041. FROM $tbl_course c
  4042. INNER JOIN $tbl_course_user cu ON (cu.course_code = c.code)
  4043. INNER JOIN $tbl_user u ON (u.user_id = cu.user_id)
  4044. INNER JOIN $tbl_course_rel_access_url url ON (url.course_code = c.code)
  4045. $where
  4046. $courseConditions
  4047. )
  4048. ) as t1
  4049. ";
  4050. if ($getCount) {
  4051. $result = Database::query($sql);
  4052. $count = 0;
  4053. if (Database::num_rows($result)) {
  4054. $rows = Database::fetch_array($result);
  4055. $count = $rows['count'];
  4056. }
  4057. return $count;
  4058. }
  4059. if (!empty($column) && !empty($direction)) {
  4060. $column = str_replace('u.', '', $column);
  4061. $sql .= " ORDER BY $column $direction ";
  4062. }
  4063. $sql .= $limitCondition;
  4064. $result = Database::query($sql);
  4065. $result = Database::store_result($result);
  4066. return $result ;
  4067. }
  4068. /**
  4069. * @param int $sessionId
  4070. * @param string $courseCode
  4071. * @param array $coachList
  4072. * @param bool $deleteCoachesNotInList
  4073. */
  4074. public static function updateCoaches(
  4075. $sessionId,
  4076. $courseCode,
  4077. $coachList,
  4078. $deleteCoachesNotInList = false
  4079. ) {
  4080. $currentCoaches = self::getCoachesByCourseSession($sessionId, $courseCode);
  4081. if (!empty($coachList)) {
  4082. foreach ($coachList as $userId) {
  4083. self::set_coach_to_course_session($userId, $sessionId, $courseCode);
  4084. }
  4085. }
  4086. if ($deleteCoachesNotInList) {
  4087. if (!empty($coachList)) {
  4088. $coachesToDelete = array_diff($currentCoaches, $coachList);
  4089. } else {
  4090. $coachesToDelete = $currentCoaches;
  4091. }
  4092. if (!empty($coachesToDelete)) {
  4093. foreach ($coachesToDelete as $userId) {
  4094. self::set_coach_to_course_session(
  4095. $userId,
  4096. $sessionId,
  4097. $courseCode,
  4098. true
  4099. );
  4100. }
  4101. }
  4102. }
  4103. }
  4104. /**
  4105. * @param array $sessions
  4106. * @param array $sessionsDestination
  4107. * @return string
  4108. */
  4109. public static function copyStudentsFromSession($sessions, $sessionsDestination)
  4110. {
  4111. $messages = array();
  4112. if (!empty($sessions)) {
  4113. foreach ($sessions as $sessionId) {
  4114. $sessionInfo = self::fetch($sessionId);
  4115. $userList = self::get_users_by_session($sessionId, 0);
  4116. if (!empty($userList)) {
  4117. $newUserList = array();
  4118. $userToString = null;
  4119. foreach ($userList as $userInfo) {
  4120. $newUserList[] = $userInfo['user_id'];
  4121. $userToString .= $userInfo['firstname'] . ' ' . $userInfo['lastname'] . '<br />';
  4122. }
  4123. if (!empty($sessionsDestination)) {
  4124. foreach ($sessionsDestination as $sessionDestinationId) {
  4125. $sessionDestinationInfo = self::fetch($sessionDestinationId);
  4126. $messages[] = Display::return_message(
  4127. sprintf(get_lang('AddingStudentsFromSessionXToSessionY'), $sessionInfo['name'], $sessionDestinationInfo['name']), 'info', false
  4128. );
  4129. if ($sessionId == $sessionDestinationId) {
  4130. $messages[] = Display::return_message(sprintf(get_lang('SessionXSkipped'), $sessionDestinationId), 'warning', false);
  4131. continue;
  4132. }
  4133. $messages[] = Display::return_message(get_lang('StudentList') . '<br />' . $userToString, 'info', false);
  4134. SessionManager::suscribe_users_to_session($sessionDestinationId, $newUserList, SESSION_VISIBLE_READ_ONLY, false);
  4135. }
  4136. } else {
  4137. $messages[] = Display::return_message(get_lang('NoDestinationSessionProvided'), 'warning');
  4138. }
  4139. } else {
  4140. $messages[] = Display::return_message(get_lang('NoStudentsFoundForSession') . ' #' . $sessionInfo['name'], 'warning');
  4141. }
  4142. }
  4143. } else {
  4144. $messages[] = Display::return_message(get_lang('NoData'), 'warning');
  4145. }
  4146. return $messages;
  4147. }
  4148. /**
  4149. * Assign coaches of a session(s) as teachers to a given course (or courses)
  4150. * @param array A list of session IDs
  4151. * @param array A list of course IDs
  4152. * @return string
  4153. */
  4154. public static function copyCoachesFromSessionToCourse($sessions, $courses)
  4155. {
  4156. $coachesPerSession = array();
  4157. foreach ($sessions as $sessionId) {
  4158. $coaches = self::getCoachesBySession($sessionId);
  4159. $coachesPerSession[$sessionId] = $coaches;
  4160. }
  4161. $result = array();
  4162. if (!empty($courses)) {
  4163. foreach ($courses as $courseId) {
  4164. $courseInfo = api_get_course_info_by_id($courseId);
  4165. foreach ($coachesPerSession as $sessionId => $coachList) {
  4166. CourseManager::updateTeachers(
  4167. $courseInfo['code'], $coachList, false, false, false
  4168. );
  4169. $result[$courseInfo['code']][$sessionId] = $coachList;
  4170. }
  4171. }
  4172. }
  4173. $sessionUrl = api_get_path(WEB_CODE_PATH) . 'admin/resume_session.php?id_session=';
  4174. $htmlResult = null;
  4175. if (!empty($result)) {
  4176. foreach ($result as $courseCode => $data) {
  4177. $url = api_get_course_url($courseCode);
  4178. $htmlResult .= sprintf(get_lang('CoachesSubscribedAsATeacherInCourseX'), Display::url($courseCode, $url, array('target' => '_blank')));
  4179. foreach ($data as $sessionId => $coachList) {
  4180. $sessionInfo = self::fetch($sessionId);
  4181. $htmlResult .= '<br />';
  4182. $htmlResult .= Display::url(
  4183. get_lang('Session') . ': ' . $sessionInfo['name'] . ' <br />', $sessionUrl . $sessionId, array('target' => '_blank')
  4184. );
  4185. $teacherList = array();
  4186. foreach ($coachList as $coachId) {
  4187. $userInfo = api_get_user_info($coachId);
  4188. $teacherList[] = $userInfo['complete_name'];
  4189. }
  4190. if (!empty($teacherList)) {
  4191. $htmlResult .= implode(', ', $teacherList);
  4192. } else {
  4193. $htmlResult .= get_lang('NothingToAdd');
  4194. }
  4195. }
  4196. $htmlResult .= '<br />';
  4197. }
  4198. $htmlResult = Display::return_message($htmlResult, 'normal', false);
  4199. }
  4200. return $htmlResult;
  4201. }
  4202. /**
  4203. * @param string $keyword
  4204. * @param string $active
  4205. * @param string $lastConnectionDate
  4206. * @param array $sessionIdList
  4207. * @param array $studentIdList
  4208. * @param int $userStatus STUDENT|COURSEMANAGER constants
  4209. *
  4210. * @return array|int
  4211. */
  4212. public static function getCountUserTracking(
  4213. $keyword = null,
  4214. $active = null,
  4215. $lastConnectionDate = null,
  4216. $sessionIdList = array(),
  4217. $studentIdList = array(),
  4218. $filterUserStatus = null
  4219. ) {
  4220. $userId = api_get_user_id();
  4221. $drhLoaded = false;
  4222. if (api_is_drh()) {
  4223. if (api_drh_can_access_all_session_content()) {
  4224. $count = self::getAllUsersFromCoursesFromAllSessionFromStatus(
  4225. 'drh_all',
  4226. $userId,
  4227. true,
  4228. null,
  4229. null,
  4230. null,
  4231. null,
  4232. $keyword,
  4233. $active,
  4234. $lastConnectionDate,
  4235. $sessionIdList,
  4236. $studentIdList,
  4237. $filterUserStatus
  4238. );
  4239. $drhLoaded = true;
  4240. }
  4241. }
  4242. if ($drhLoaded == false) {
  4243. $count = UserManager::getUsersFollowedByUser(
  4244. $userId,
  4245. $filterUserStatus,
  4246. false,
  4247. false,
  4248. true,
  4249. null,
  4250. null,
  4251. null,
  4252. null,
  4253. $active,
  4254. $lastConnectionDate,
  4255. api_is_student_boss() ? STUDENT_BOSS : COURSEMANAGER,
  4256. $keyword
  4257. );
  4258. }
  4259. return $count;
  4260. }
  4261. /**
  4262. * Get teachers followed by a user
  4263. * @param int $userId
  4264. * @param int $active
  4265. * @param string $lastConnectionDate
  4266. * @param bool $getCount
  4267. * @param array $sessionIdList
  4268. * @return array|int
  4269. */
  4270. public static function getTeacherTracking(
  4271. $userId,
  4272. $active = 1,
  4273. $lastConnectionDate = null,
  4274. $getCount = false,
  4275. $sessionIdList = array()
  4276. ) {
  4277. $teacherResult = array();
  4278. if (api_is_drh() || api_is_platform_admin()) {
  4279. // Followed teachers by drh
  4280. if (api_drh_can_access_all_session_content()) {
  4281. if (empty($sessionIdList)) {
  4282. $sessions = SessionManager::get_sessions_followed_by_drh($userId);
  4283. $sessionIdList = array();
  4284. foreach ($sessions as $session) {
  4285. $sessionIdList[] = $session['id'];
  4286. }
  4287. }
  4288. $sessionIdList = array_map('intval', $sessionIdList);
  4289. $sessionToString = implode("', '", $sessionIdList);
  4290. $course = Database::get_main_table(TABLE_MAIN_COURSE);
  4291. $sessionCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  4292. $courseUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  4293. // Select the teachers.
  4294. $sql = "SELECT DISTINCT(cu.user_id) FROM $course c
  4295. INNER JOIN $sessionCourse src ON c.code = src.course_code
  4296. INNER JOIN $courseUser cu ON (cu.course_code = c.code)
  4297. WHERE src.id_session IN ('$sessionToString') AND cu.status = 1";
  4298. $result = Database::query($sql);
  4299. $teacherListId = array();
  4300. while($row = Database::fetch_array($result, 'ASSOC')) {
  4301. $teacherListId[$row['user_id']] = $row['user_id'];
  4302. }
  4303. } else {
  4304. $teacherResult = UserManager::get_users_followed_by_drh($userId, COURSEMANAGER);
  4305. $teacherListId = array();
  4306. foreach ($teacherResult as $userInfo) {
  4307. $teacherListId[] = $userInfo['user_id'];
  4308. }
  4309. }
  4310. }
  4311. if (!empty($teacherListId)) {
  4312. $tableUser = Database::get_main_table(TABLE_MAIN_USER);
  4313. $select = "SELECT DISTINCT u.* ";
  4314. if ($getCount) {
  4315. $select = "SELECT count(DISTINCT(u.user_id)) as count";
  4316. }
  4317. $sql = "$select FROM $tableUser u";
  4318. if (!empty($lastConnectionDate)) {
  4319. $tableLogin = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
  4320. //$sql .= " INNER JOIN $tableLogin l ON (l.login_user_id = u.user_id) ";
  4321. }
  4322. $active = intval($active);
  4323. $teacherListId = implode("','", $teacherListId);
  4324. $where = " WHERE u.active = $active AND u.user_id IN ('$teacherListId') ";
  4325. if (!empty($lastConnectionDate)) {
  4326. $lastConnectionDate = Database::escape_string($lastConnectionDate);
  4327. //$where .= " AND l.login_date <= '$lastConnectionDate' ";
  4328. }
  4329. $sql .= $where;
  4330. $result = Database::query($sql);
  4331. if (Database::num_rows($result)) {
  4332. if ($getCount) {
  4333. $row = Database::fetch_array($result);
  4334. return $row['count'];
  4335. } else {
  4336. return Database::store_result($result, 'ASSOC');
  4337. }
  4338. }
  4339. }
  4340. return 0;
  4341. }
  4342. /**
  4343. * Get the list of course tools that have to be dealt with in case of
  4344. * registering any course to a session
  4345. * @return array The list of tools to be dealt with (literal names)
  4346. */
  4347. public static function getCourseToolToBeManaged()
  4348. {
  4349. return array(
  4350. 'courseDescription',
  4351. 'courseIntroduction'
  4352. );
  4353. }
  4354. /**
  4355. * Calls the methods bound to each tool when a course is registered into a session
  4356. * @param int $sessionId
  4357. * @param int $courseId
  4358. * @return void
  4359. */
  4360. public static function installCourse($sessionId, $courseId)
  4361. {
  4362. return true;
  4363. $toolList = self::getCourseToolToBeManaged();
  4364. foreach ($toolList as $tool) {
  4365. $method = 'add' . $tool;
  4366. if (method_exists(get_class(), $method)) {
  4367. self::$method($sessionId, $courseId);
  4368. }
  4369. }
  4370. }
  4371. /**
  4372. * Calls the methods bound to each tool when a course is unregistered from
  4373. * a session
  4374. * @param int $sessionId
  4375. * @param int $courseId
  4376. */
  4377. public static function unInstallCourse($sessionId, $courseId)
  4378. {
  4379. return true;
  4380. $toolList = self::getCourseToolToBeManaged();
  4381. foreach ($toolList as $tool) {
  4382. $method = 'remove' . $tool;
  4383. if (method_exists(get_class(), $method)) {
  4384. self::$method($sessionId, $courseId);
  4385. }
  4386. }
  4387. }
  4388. /**
  4389. * @param int $sessionId
  4390. * @param int $courseId
  4391. */
  4392. public static function addCourseIntroduction($sessionId, $courseId)
  4393. {
  4394. // @todo create a tool intro lib
  4395. $sessionId = intval($sessionId);
  4396. $courseId = intval($courseId);
  4397. $TBL_INTRODUCTION = Database::get_course_table(TABLE_TOOL_INTRO);
  4398. $sql = "SELECT * FROM $TBL_INTRODUCTION WHERE c_id = $courseId";
  4399. $result = Database::query($sql);
  4400. $result = Database::store_result($result, 'ASSOC');
  4401. if (!empty($result)) {
  4402. foreach ($result as $result) {
  4403. // @todo check if relation exits.
  4404. $result['session_id'] = $sessionId;
  4405. Database::insert($TBL_INTRODUCTION, $result);
  4406. }
  4407. }
  4408. }
  4409. /**
  4410. * @param int $sessionId
  4411. * @param int $courseId
  4412. */
  4413. public static function removeCourseIntroduction($sessionId, $courseId)
  4414. {
  4415. $sessionId = intval($sessionId);
  4416. $courseId = intval($courseId);
  4417. $TBL_INTRODUCTION = Database::get_course_table(TABLE_TOOL_INTRO);
  4418. $sql = "DELETE FROM $TBL_INTRODUCTION WHERE c_id = $courseId AND session_id = $sessionId";
  4419. Database::query($sql);
  4420. }
  4421. /**
  4422. * @param int $sessionId
  4423. * @param int $courseId
  4424. */
  4425. public static function addCourseDescription($sessionId, $courseId)
  4426. {
  4427. /* $description = new CourseDescription();
  4428. $descriptions = $description->get_descriptions($courseId);
  4429. foreach ($descriptions as $description) {
  4430. } */
  4431. }
  4432. /**
  4433. * @param int $sessionId
  4434. * @param int $courseId
  4435. */
  4436. public static function removeCourseDescription($sessionId, $courseId)
  4437. {
  4438. }
  4439. /**
  4440. * @param array $list format see self::importSessionDrhCSV()
  4441. * @param bool $sendEmail
  4442. * @param bool $removeOldRelationShips
  4443. * @return string
  4444. */
  4445. public static function subscribeDrhToSessionList($userSessionList, $sendEmail, $removeOldRelationShips)
  4446. {
  4447. if (!empty($userSessionList)) {
  4448. foreach ($userSessionList as $userId => $data) {
  4449. $sessionList = array();
  4450. foreach ($data['session_list'] as $sessionInfo) {
  4451. $sessionList[] = $sessionInfo['session_id'];
  4452. }
  4453. $userInfo = $data['user_info'];
  4454. self::suscribe_sessions_to_hr_manager(
  4455. $userInfo,
  4456. $sessionList,
  4457. $sendEmail,
  4458. $removeOldRelationShips
  4459. );
  4460. }
  4461. }
  4462. }
  4463. /**
  4464. * @param array $userSessionList format see self::importSessionDrhCSV()
  4465. */
  4466. public static function checkSubscribeDrhToSessionList($userSessionList)
  4467. {
  4468. $message = null;
  4469. if (!empty($userSessionList)) {
  4470. if (!empty($userSessionList)) {
  4471. foreach ($userSessionList as $userId => $data) {
  4472. $userInfo = $data['user_info'];
  4473. $sessionListSubscribed = self::get_sessions_followed_by_drh($userId);
  4474. if (!empty($sessionListSubscribed)) {
  4475. $sessionListSubscribed = array_keys($sessionListSubscribed);
  4476. }
  4477. $sessionList = array();
  4478. if (!empty($data['session_list'])) {
  4479. foreach ($data['session_list'] as $sessionInfo) {
  4480. if (in_array($sessionInfo['session_id'], $sessionListSubscribed)) {
  4481. $sessionList[] = $sessionInfo['session_info']['name'];
  4482. }
  4483. }
  4484. }
  4485. $message .= '<strong>' . get_lang('User') . '</strong> ' . $userInfo['complete_name'] . ' <br />';
  4486. if (!in_array($userInfo['status'], array(DRH)) && !api_is_platform_admin_by_id($userInfo['user_id'])) {
  4487. $message .= get_lang('UserMustHaveTheDrhRole') . '<br />';
  4488. continue;
  4489. }
  4490. if (!empty($sessionList)) {
  4491. $message .= '<strong>' . get_lang('Sessions') . ':</strong> <br />';
  4492. $message .= implode(', ', $sessionList) . '<br /><br />';
  4493. } else {
  4494. $message .= get_lang('NoSessionProvided') . ' <br /><br />';
  4495. }
  4496. }
  4497. }
  4498. }
  4499. return $message;
  4500. }
  4501. /**
  4502. * @param string $file
  4503. * @param bool $sendEmail
  4504. * @param bool $removeOldRelationShips
  4505. */
  4506. public static function importSessionDrhCSV($file, $sendEmail, $removeOldRelationShips)
  4507. {
  4508. $list = Import::csv_reader($file);
  4509. if (!empty($list)) {
  4510. $userSessionList = array();
  4511. foreach ($list as $data) {
  4512. $userInfo = api_get_user_info_from_username($data['Username']);
  4513. $sessionInfo = self::get_session_by_name($data['SessionName']);
  4514. if (!empty($userInfo) && !empty($sessionInfo)) {
  4515. $userSessionList[$userInfo['user_id']]['session_list'][] = array(
  4516. 'session_id' => $sessionInfo['id'],
  4517. 'session_info' => $sessionInfo
  4518. );
  4519. $userSessionList[$userInfo['user_id']]['user_info'] = $userInfo;
  4520. }
  4521. }
  4522. self::subscribeDrhToSessionList($userSessionList, $sendEmail, $removeOldRelationShips);
  4523. return self::checkSubscribeDrhToSessionList($userSessionList);
  4524. }
  4525. }
  4526. /**
  4527. * Courses re-ordering in resume_session.php flag see BT#8316
  4528. */
  4529. public static function orderCourseIsEnabled()
  4530. {
  4531. global $_configuration;
  4532. if (isset($_configuration['session_course_ordering']) &&
  4533. $_configuration['session_course_ordering']
  4534. ) {
  4535. return true;
  4536. }
  4537. return false;
  4538. }
  4539. /**
  4540. * @param string $direction (up/down)
  4541. * @param int $sessionId
  4542. * @param string $courseCode
  4543. * @return bool
  4544. */
  4545. public static function move($direction, $sessionId, $courseCode)
  4546. {
  4547. if (!self::orderCourseIsEnabled()) {
  4548. return false;
  4549. }
  4550. $sessionId = intval($sessionId);
  4551. $courseCode = Database::escape_string($courseCode);
  4552. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  4553. $courseList = self::get_course_list_by_session_id($sessionId, null, 'position');
  4554. $position = array();
  4555. $count = 0;
  4556. foreach ($courseList as $course) {
  4557. if ($course['position'] == '') {
  4558. $course['position'] = $count;
  4559. }
  4560. $position[$course['code']] = $course['position'];
  4561. // Saving current order.
  4562. $sql = "UPDATE $table SET position = $count
  4563. WHERE id_session = $sessionId AND course_code = '".$course['code']."'";
  4564. Database::query($sql);
  4565. $count++;
  4566. }
  4567. // Loading new positions.
  4568. $courseList = self::get_course_list_by_session_id($sessionId, null, 'position');
  4569. $found = false;
  4570. switch ($direction) {
  4571. case 'up':
  4572. $courseList = array_reverse($courseList);
  4573. break;
  4574. case 'down':
  4575. break;
  4576. }
  4577. foreach ($courseList as $course) {
  4578. if ($found) {
  4579. $nextId = $course['code'];
  4580. $nextOrder = $course['position'];
  4581. break;
  4582. }
  4583. if ($courseCode == $course['code']) {
  4584. $thisCourseCode = $course['code'];
  4585. $thisOrder = $course['position'];
  4586. $found = true;
  4587. }
  4588. }
  4589. $sql1 = "UPDATE $table SET position = '".intval($nextOrder)."'
  4590. WHERE id_session = $sessionId AND course_code = '".$thisCourseCode."'";
  4591. $sql2 = "UPDATE $table SET position = '".intval($thisOrder)."'
  4592. WHERE id_session = $sessionId AND course_code = '".$nextId."'";
  4593. Database::query($sql1);
  4594. Database::query($sql2);
  4595. return true;
  4596. }
  4597. /**
  4598. * @param int $sessionId
  4599. * @param string $courseCode
  4600. * @return bool
  4601. */
  4602. public static function moveUp($sessionId, $courseCode)
  4603. {
  4604. return self::move('up', $sessionId, $courseCode);
  4605. }
  4606. /**
  4607. * @param int $sessionId
  4608. * @param string $courseCode
  4609. * @return bool
  4610. */
  4611. public static function moveDown($sessionId, $courseCode)
  4612. {
  4613. return self::move('down', $sessionId, $courseCode);
  4614. }
  4615. /**
  4616. * Use the session duration to allow/block user access see BT#8317
  4617. * Needs these DB changes
  4618. * ALTER TABLE session ADD COLUMN duration int;
  4619. * ALTER TABLE session_rel_user ADD COLUMN duration int;
  4620. */
  4621. public static function durationPerUserIsEnabled()
  4622. {
  4623. global $_configuration;
  4624. if (isset($_configuration['session_duration_feature']) &&
  4625. $_configuration['session_duration_feature']
  4626. ) {
  4627. return true;
  4628. }
  4629. return false;
  4630. }
  4631. /**
  4632. * Returns the number of days the student has left in a session when using
  4633. * sessions durations
  4634. * @param int $userId
  4635. * @param int $sessionId
  4636. * @param int $duration in days
  4637. * @return int
  4638. */
  4639. public static function getDayLeftInSession($sessionId, $userId, $duration)
  4640. {
  4641. // Get an array with the details of the first access of the student to
  4642. // this session
  4643. $courseAccess = CourseManager::getFirstCourseAccessPerSessionAndUser(
  4644. $sessionId,
  4645. $userId
  4646. );
  4647. $currentTime = time();
  4648. // If no previous access, return false
  4649. if (count($courseAccess) == 0) {
  4650. return false;
  4651. }
  4652. $firstAccess = api_strtotime($courseAccess['login_course_date'], 'UTC');
  4653. $endDateInSeconds = $firstAccess + $duration*24*60*60;
  4654. $leftDays = round(($endDateInSeconds- $currentTime) / 60 / 60 / 24);
  4655. return $leftDays;
  4656. }
  4657. /**
  4658. * @param int $duration
  4659. * @param int $userId
  4660. * @param int $sessionId
  4661. */
  4662. public static function editUserSessionDuration($duration, $userId, $sessionId)
  4663. {
  4664. $duration = intval($duration);
  4665. $userId = intval($userId);
  4666. $sessionId = intval($sessionId);
  4667. if (empty($userId) || empty($sessionId)) {
  4668. return false;
  4669. }
  4670. $table = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  4671. $parameters = array('duration' => $duration);
  4672. $where = array('id_session = ? AND id_user = ? ' => array($sessionId, $userId));
  4673. Database::update($table, $parameters, $where);
  4674. }
  4675. /**
  4676. * Gets one row from the session_rel_user table
  4677. * @param int The user ID
  4678. * @param int The session ID
  4679. * @return array
  4680. */
  4681. public static function getUserSession($userId, $sessionId)
  4682. {
  4683. $userId = intval($userId);
  4684. $sessionId = intval($sessionId);
  4685. if (empty($userId) || empty($sessionId)) {
  4686. return false;
  4687. }
  4688. $table = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  4689. $sql = "SELECT * FROM $table WHERE id_session =$sessionId AND id_user = $userId";
  4690. $result = Database::query($sql);
  4691. $values = array();
  4692. if (Database::num_rows($result)) {
  4693. $values = Database::fetch_array($result, 'ASSOC');
  4694. }
  4695. return $values;
  4696. }
  4697. /**
  4698. * Check if user is subscribed inside a session as student
  4699. * @param int $sessionId The session id
  4700. * @param int $userId The user id
  4701. * @return boolean Whether is subscribed
  4702. */
  4703. public static function isUserSusbcribedAsStudent($sessionId, $userId)
  4704. {
  4705. $sessionRelUserTable = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  4706. $sessionId = intval($sessionId);
  4707. $userId = intval($userId);
  4708. $sql = "SELECT COUNT(1) AS qty FROM $sessionRelUserTable
  4709. WHERE id_session = $sessionId AND id_user = $userId AND relation_type = 0";
  4710. $result = Database::fetch_assoc(Database::query($sql));
  4711. if (!empty($result) && $result['qty'] > 0) {
  4712. return true;
  4713. }
  4714. return false;
  4715. }
  4716. /**
  4717. * Get the formatted date of a session by its start and end date
  4718. * @param array $sessionInfo The session information containing the start and end date
  4719. * @return string The formatted date
  4720. */
  4721. public static function getSessionFormattedDate($sessionInfo)
  4722. {
  4723. if ($sessionInfo['date_start'] == '0000-00-00' && $sessionInfo['date_end'] == '0000-00-00') {
  4724. return get_lang('NoTimeLimits');
  4725. } else {
  4726. if ($sessionInfo['date_start'] != '0000-00-00') {
  4727. $startDate = get_lang('From') . ' ' . api_format_date($sessionInfo['date_start'], DATE_FORMAT_LONG_NO_DAY);
  4728. } else {
  4729. $startDate = '';
  4730. }
  4731. if ($sessionInfo['date_end'] == '0000-00-00') {
  4732. $endDate = '';
  4733. } else {
  4734. $endDate = get_lang('Until') . ' ' . api_format_date($sessionInfo['date_end'], DATE_FORMAT_LONG_NO_DAY);
  4735. }
  4736. return "$startDate $endDate";
  4737. }
  4738. }
  4739. /**
  4740. * Get the session coached by a user
  4741. * @param int $coachId The coach id
  4742. * @param boolean $checkSessionRelUserVisibility Optional. Check the session visibility
  4743. * @return array The session list
  4744. */
  4745. public static function getSessionsCoachedByUser($coachId, $checkSessionRelUserVisibility = false)
  4746. {
  4747. $sessions = self::get_sessions_by_general_coach($coachId);
  4748. $sessionsByCoach = self::get_sessions_by_coach($coachId);
  4749. if (!empty($sessionsByCoach)) {
  4750. $sessions = array_merge($sessions, $sessionsByCoach);
  4751. }
  4752. //Remove repeated sessions
  4753. if (!empty($sessions)) {
  4754. $cleanSessions = array();
  4755. foreach ($sessions as $session) {
  4756. $cleanSessions[$session['id']] = $session;
  4757. }
  4758. $sessions = $cleanSessions;
  4759. }
  4760. if ($checkSessionRelUserVisibility) {
  4761. if (!empty($sessions)) {
  4762. $newSessions = array();
  4763. foreach ($sessions as $session) {
  4764. $visibility = api_get_session_visibility($session['id']);
  4765. if ($visibility == SESSION_INVISIBLE) {
  4766. continue;
  4767. }
  4768. $newSessions[] = $session;
  4769. }
  4770. $sessions = $newSessions;
  4771. }
  4772. }
  4773. return $sessions;
  4774. }
  4775. /**
  4776. * Check if the course belongs to the session
  4777. * @param int $sessionId The session id
  4778. * @param string $courseCode The course code
  4779. *
  4780. * @return bool
  4781. */
  4782. public static function sessionHasCourse($sessionId, $courseCode)
  4783. {
  4784. $sessionId = intval($sessionId);
  4785. $courseCode = Database::escape_string($courseCode);
  4786. $courseTable = Database::get_main_table(TABLE_MAIN_COURSE);
  4787. $sessionRelCourseTable = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  4788. $sql = "SELECT COUNT(1) AS qty FROM $courseTable c
  4789. INNER JOIN $sessionRelCourseTable src
  4790. ON c.code = src.course_code
  4791. WHERE src.id_session = $sessionId
  4792. AND c.code = '$courseCode' ";
  4793. $result = Database::query($sql);
  4794. if ($result !== false) {
  4795. $data = Database::fetch_assoc($result);
  4796. if ($data['qty'] > 0) {
  4797. return true;
  4798. }
  4799. }
  4800. return false;
  4801. }
  4802. /**
  4803. * Get the list of course coaches
  4804. * @return array The list
  4805. */
  4806. public static function getAllCourseCoaches()
  4807. {
  4808. $coaches = array();
  4809. $scuTable = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  4810. $userTable = Database::get_main_table(TABLE_MAIN_USER);
  4811. $idResult = Database::select('DISTINCT id_user', $scuTable, array(
  4812. 'where' => array(
  4813. 'status = ?' => 2
  4814. )
  4815. ));
  4816. if ($idResult != false) {
  4817. foreach ($idResult as $idData) {
  4818. $userResult = Database::select('user_id, lastname, firstname, username', $userTable, array(
  4819. 'where' => array(
  4820. 'user_id = ?' => $idData['id_user']
  4821. )
  4822. ), 'first');
  4823. if ($userResult != false) {
  4824. $coaches[] = array(
  4825. 'id' => $userResult['user_id'],
  4826. 'lastname' => $userResult['lastname'],
  4827. 'firstname' => $userResult['firstname'],
  4828. 'username' => $userResult['username'],
  4829. 'completeName' => api_get_person_name($userResult['firstname'], $userResult['lastname'])
  4830. );
  4831. }
  4832. }
  4833. }
  4834. return $coaches;
  4835. }
  4836. /**
  4837. * Calculate the total user time in the platform
  4838. * @param int $userId The user id
  4839. * @param string $from Optional. From date
  4840. * @param string $until Optional. Until date
  4841. * @return string The time (hh:mm:ss)
  4842. */
  4843. public static function getTotalUserTimeInPlatform($userId, $from = '', $until = '')
  4844. {
  4845. $userId = intval($userId);
  4846. $trackLoginTable = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_LOGIN);
  4847. $whereConditions = array(
  4848. 'login_user_id = ? ' => $userId
  4849. );
  4850. if (!empty($from) && !empty($until)) {
  4851. $whereConditions["AND (login_date >= '?' "] = $from;
  4852. $whereConditions["AND logout_date <= DATE_ADD('?', INTERVAL 1 DAY)) "] = $until;
  4853. }
  4854. $trackResult = Database::select(
  4855. 'SEC_TO_TIME(SUM(UNIX_TIMESTAMP(logout_date) - UNIX_TIMESTAMP(login_date))) as total_time',
  4856. $trackLoginTable,
  4857. array(
  4858. 'where' => $whereConditions
  4859. ), 'first'
  4860. );
  4861. if ($trackResult != false) {
  4862. return $trackResult['total_time'] ? $trackResult['total_time'] : '00:00:00';
  4863. }
  4864. return '00:00:00';
  4865. }
  4866. /**
  4867. * Calc the expended time (hh::mm:ss) by a user in a course
  4868. * @param int $userId The user id
  4869. * @param string $courseCode The course id
  4870. * @param int $sessionId Optional. The session id
  4871. * @param string $from Optional. From date
  4872. * @param string $until Optional. Until date
  4873. * @return string The time
  4874. */
  4875. public static function getUserTimeInCourse($userId, $courseCode, $sessionId = 0, $from = '', $until = '')
  4876. {
  4877. $userId = intval($userId);
  4878. $sessionId = intval($sessionId);
  4879. $trackCourseAccessTable = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
  4880. $whereConditions = array(
  4881. 'user_id = ? ' => $userId,
  4882. "AND course_code = '?' " => $courseCode,
  4883. 'AND session_id = ? ' => $sessionId
  4884. );
  4885. if (!empty($from) && !empty($until)) {
  4886. $whereConditions["AND (login_course_date >= '?' "] = $from;
  4887. $whereConditions["AND logout_course_date <= DATE_ADD('?', INTERVAL 1 DAY)) "] = $until;
  4888. }
  4889. $trackResult = Database::select(
  4890. 'SEC_TO_TIME(SUM(UNIX_TIMESTAMP(logout_course_date) - UNIX_TIMESTAMP(login_course_date))) as total_time',
  4891. $trackCourseAccessTable,
  4892. array(
  4893. 'where' => $whereConditions
  4894. ), 'first'
  4895. );
  4896. if ($trackResult != false) {
  4897. return $trackResult['total_time'] ? $trackResult['total_time'] : '00:00:00';
  4898. }
  4899. return '00:00:00';
  4900. }
  4901. /**
  4902. * Get the courses list by a course coach
  4903. * @param int $coachId The coach id
  4904. * @return array
  4905. */
  4906. public static function getCoursesListByCourseCoach($coachId)
  4907. {
  4908. $srcruTable = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  4909. return Database::select('*', $srcruTable, array(
  4910. 'where' => array(
  4911. 'id_user = ? AND ' => $coachId,
  4912. 'status = ?' => 2
  4913. )
  4914. ));
  4915. }
  4916. }