sessionmanager.lib.php 206 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 $_debug = false;
  17. /**
  18. *
  19. */
  20. public function __construct()
  21. {
  22. }
  23. /**
  24. * Fetches a session from the database
  25. * @param int Session ID
  26. * @return array Session details
  27. */
  28. public static function fetch($id)
  29. {
  30. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  31. if ($id != strval(intval($id))) {
  32. return array();
  33. }
  34. $s = "SELECT * FROM $t WHERE id = $id";
  35. $r = Database::query($s);
  36. if (Database::num_rows($r) != 1) {
  37. return array();
  38. }
  39. return Database::fetch_array($r, 'ASSOC');
  40. }
  41. /**
  42. * Create a session
  43. * @author Carlos Vargas <carlos.vargas@beeznest.com>, from existing code
  44. * @param string name
  45. * @param integer Start year (yyyy)
  46. * @param integer Start month (mm)
  47. * @param integer Start day (dd)
  48. * @param integer End year (yyyy)
  49. * @param integer End month (mm)
  50. * @param integer End day (dd)
  51. * @param integer Number of days that the coach can access the session before the start date
  52. * @param integer Number of days that the coach can access the session after the end date
  53. * @param integer If 1, means there are no date limits
  54. * @param mixed If integer, this is the session coach id, if string, the coach ID will be looked for from the user table
  55. * @param integer ID of the session category in which this session is registered
  56. * @param integer Visibility after end date (0 = read-only, 1 = invisible, 2 = accessible)
  57. * @param string Start limit = true if the start date has to be considered
  58. * @param string End limit = true if the end date has to be considered
  59. * @param string $fix_name
  60. * @todo use an array to replace all this parameters or use the model.lib.php ...
  61. * @return mixed Session ID on success, error message otherwise
  62. * */
  63. public static function create_session(
  64. $sname,
  65. $syear_start,
  66. $smonth_start,
  67. $sday_start,
  68. $syear_end,
  69. $smonth_end,
  70. $sday_end,
  71. $snb_days_acess_before,
  72. $snb_days_acess_after,
  73. $nolimit,
  74. $coach_username,
  75. $id_session_category,
  76. $id_visibility,
  77. $start_limit = true,
  78. $end_limit = true,
  79. $fix_name = false,
  80. $duration = null
  81. ) {
  82. global $_configuration;
  83. //Check portal limits
  84. $access_url_id = 1;
  85. if (api_get_multiple_access_url()) {
  86. $access_url_id = api_get_current_access_url_id();
  87. }
  88. if (is_array($_configuration[$access_url_id]) &&
  89. isset($_configuration[$access_url_id]['hosting_limit_sessions']) &&
  90. $_configuration[$access_url_id]['hosting_limit_sessions'] > 0
  91. ) {
  92. $num = self::count_sessions();
  93. if ($num >= $_configuration[$access_url_id]['hosting_limit_sessions']) {
  94. api_warn_hosting_contact('hosting_limit_sessions');
  95. return get_lang('PortalSessionsLimitReached');
  96. }
  97. }
  98. $name = Database::escape_string(trim($sname));
  99. $year_start = intval($syear_start);
  100. $month_start = intval($smonth_start);
  101. $day_start = intval($sday_start);
  102. $year_end = intval($syear_end);
  103. $month_end = intval($smonth_end);
  104. $day_end = intval($sday_end);
  105. $nb_days_acess_before = intval($snb_days_acess_before);
  106. $nb_days_acess_after = intval($snb_days_acess_after);
  107. $id_session_category = intval($id_session_category);
  108. $id_visibility = intval($id_visibility);
  109. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  110. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  111. if (is_int($coach_username)) {
  112. $id_coach = $coach_username;
  113. } else {
  114. $sql = 'SELECT user_id FROM ' . $tbl_user . ' WHERE username="' . Database::escape_string($coach_username) . '"';
  115. $rs = Database::query($sql);
  116. $id_coach = Database::result($rs, 0, 'user_id');
  117. }
  118. if (empty($nolimit)) {
  119. $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
  120. $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
  121. } else {
  122. $id_visibility = 1; // by default session visibility is read only
  123. $date_start = "0000-00-00";
  124. $date_end = "0000-00-00";
  125. }
  126. if (empty($end_limit)) {
  127. $date_end = "0000-00-00";
  128. $id_visibility = 1; // by default session visibility is read only
  129. }
  130. if (empty($start_limit)) {
  131. $date_start = "0000-00-00";
  132. }
  133. if (empty($name)) {
  134. $msg = get_lang('SessionNameIsRequired');
  135. return $msg;
  136. } elseif (empty($coach_username)) {
  137. $msg = get_lang('CoachIsRequired');
  138. return $msg;
  139. } elseif (!empty($start_limit) && empty($nolimit) && (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start))) {
  140. $msg = get_lang('InvalidStartDate');
  141. return $msg;
  142. } elseif (!empty($end_limit) && empty($nolimit) && (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end))) {
  143. $msg = get_lang('InvalidEndDate');
  144. return $msg;
  145. } elseif (!empty($start_limit) && !empty($end_limit) && empty($nolimit) && $date_start >= $date_end) {
  146. $msg = get_lang('StartDateShouldBeBeforeEndDate');
  147. return $msg;
  148. } else {
  149. $ready_to_create = false;
  150. if ($fix_name) {
  151. $name = self::generate_nice_next_session_name($name);
  152. if ($name) {
  153. $ready_to_create = true;
  154. } else {
  155. $msg = get_lang('SessionNameAlreadyExists');
  156. return $msg;
  157. }
  158. } else {
  159. $rs = Database::query("SELECT 1 FROM $tbl_session WHERE name='" . $name . "'");
  160. if (Database::num_rows($rs)) {
  161. $msg = get_lang('SessionNameAlreadyExists');
  162. return $msg;
  163. }
  164. $ready_to_create = true;
  165. }
  166. if ($ready_to_create) {
  167. $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)
  168. VALUES('" . $name . "','$date_start','$date_end','$id_coach'," . api_get_user_id() . "," . $nb_days_acess_before . ", " . $nb_days_acess_after . ", " . $id_session_category . ", " . $id_visibility . ")";
  169. Database::query($sql);
  170. $session_id = Database::insert_id();
  171. if (self::durationPerUserIsEnabled()) {
  172. $duration = intval($duration);
  173. if (empty($duration)) {
  174. $duration = null;
  175. } else {
  176. $sql = "UPDATE $tbl_session SET
  177. date_start = '0000-00-00',
  178. date_end = '0000-00-00'
  179. WHERE id = $session_id";
  180. Database::query($sql);
  181. }
  182. $sql = "UPDATE $tbl_session
  183. SET duration = '$duration'
  184. WHERE id = $session_id";
  185. Database::query($sql);
  186. }
  187. if (!empty($session_id)) {
  188. /*
  189. Sends a message to the user_id = 1
  190. $user_info = api_get_user_info(1);
  191. $complete_name = $user_info['firstname'].' '.$user_info['lastname'];
  192. $subject = api_get_setting('siteName').' - '.get_lang('ANewSessionWasCreated');
  193. $message = get_lang('ANewSessionWasCreated')." <br /> ".get_lang('NameOfTheSession').' : '.$name;
  194. api_mail_html($complete_name, $user_info['email'], $subject, $message);
  195. *
  196. */
  197. //Adding to the correct URL
  198. $access_url_id = api_get_current_access_url_id();
  199. UrlManager::add_session_to_url($session_id, $access_url_id);
  200. // add event to system log
  201. $user_id = api_get_user_id();
  202. event_system(LOG_SESSION_CREATE, LOG_SESSION_ID, $session_id, api_get_utc_datetime(), $user_id);
  203. }
  204. return $session_id;
  205. }
  206. }
  207. }
  208. /**
  209. * @param string $name
  210. * @return bool
  211. */
  212. public static function session_name_exists($name)
  213. {
  214. $name = Database::escape_string($name);
  215. $sql = "SELECT COUNT(*) as count FROM " . Database::get_main_table(TABLE_MAIN_SESSION) . "
  216. WHERE name = '$name'";
  217. $result = Database::fetch_array(Database::query($sql));
  218. return $result['count'] > 0;
  219. }
  220. /**
  221. * @param string $where_condition
  222. * @return mixed
  223. */
  224. public static function get_count_admin($where_condition = null)
  225. {
  226. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  227. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  228. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  229. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  230. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  231. $where = 'WHERE 1=1 ';
  232. $user_id = api_get_user_id();
  233. $extraJoin = null;
  234. if (api_is_session_admin() &&
  235. api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false'
  236. ) {
  237. $where .= " AND (
  238. s.session_admin_id = $user_id OR
  239. sru.id_user = '$user_id' AND
  240. sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "'
  241. )
  242. ";
  243. $extraJoin = " INNER JOIN $tbl_session_rel_user sru
  244. ON sru.id_session = s.id ";
  245. }
  246. $today = api_get_utc_datetime();
  247. $today = api_strtotime($today, 'UTC');
  248. $today = date('Y-m-d', $today);
  249. if (!empty($where_condition)) {
  250. $where_condition = str_replace("( session_active = ':' )", '1=1', $where_condition);
  251. $where_condition = str_replace('category_name', 'sc.name', $where_condition);
  252. $where_condition = str_replace(
  253. array("AND session_active = '1' )", " AND ( session_active = '1' )"),
  254. array(') GROUP BY s.name HAVING session_active = 1 ', " GROUP BY s.name HAVING session_active = 1 " )
  255. , $where_condition
  256. );
  257. $where_condition = str_replace(
  258. array("AND session_active = '0' )", " AND ( session_active = '0' )"),
  259. array(') GROUP BY s.name HAVING session_active = 0 ', " GROUP BY s.name HAVING session_active = '0' "),
  260. $where_condition
  261. );
  262. } else {
  263. $where_condition = " AND 1 = 1";
  264. }
  265. $courseCondition = null;
  266. if (strpos($where_condition, 'c.id')) {
  267. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  268. $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
  269. $courseCondition = " INNER JOIN $table course_rel_session ON (s.id = course_rel_session.id_session)
  270. INNER JOIN $tableCourse c ON (course_rel_session.course_code = c.code)
  271. ";
  272. }
  273. $sql = "SELECT COUNT(id) as total_rows FROM (
  274. SELECT DISTINCT
  275. IF (
  276. (s.date_start <= '$today' AND '$today' <= s.date_end) OR
  277. (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start, '$today') <= s.nb_days_access_before_beginning) OR
  278. (s.nb_days_access_after_end > 0 AND DATEDIFF('$today',s.date_end) <= s.nb_days_access_after_end) OR
  279. (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
  280. (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
  281. ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
  282. , 1, 0) as session_active,
  283. s.id
  284. FROM $tbl_session s
  285. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  286. INNER JOIN $tbl_user u ON s.id_coach = u.user_id
  287. $courseCondition
  288. $extraJoin
  289. $where $where_condition ) as session_table";
  290. if (api_is_multiple_url_enabled()) {
  291. $access_url_id = api_get_current_access_url_id();
  292. if ($access_url_id != -1) {
  293. $where.= " AND ar.access_url_id = $access_url_id ";
  294. $sql = "SELECT count(id) as total_rows FROM (
  295. SELECT DISTINCT
  296. IF (
  297. (s.date_start <= '$today' AND '$today' <= s.date_end) OR
  298. (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start, '$today') <= s.nb_days_access_before_beginning) OR
  299. (s.nb_days_access_after_end > 0 AND DATEDIFF('$today',s.date_end) <= s.nb_days_access_after_end) OR
  300. (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
  301. (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
  302. ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
  303. , 1, 0)
  304. as session_active,
  305. s.id
  306. FROM $tbl_session s
  307. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  308. INNER JOIN $tbl_user u ON s.id_coach = u.user_id
  309. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  310. $courseCondition
  311. $extraJoin
  312. $where $where_condition) as session_table";
  313. }
  314. }
  315. $result_rows = Database::query($sql);
  316. $row = Database::fetch_array($result_rows);
  317. $num = $row['total_rows'];
  318. return $num;
  319. }
  320. /**
  321. * Gets the admin session list callback of the admin/session_list.php page
  322. * @param array $options order and limit keys
  323. * @return array
  324. */
  325. public static function get_sessions_admin($options)
  326. {
  327. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  328. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  329. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  330. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  331. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  332. $where = ' WHERE 1=1 ';
  333. $user_id = api_get_user_id();
  334. $extraJoin = null;
  335. if (api_is_session_admin() &&
  336. api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false'
  337. ) {
  338. $where .= " AND (
  339. s.session_admin_id = $user_id OR
  340. sru.id_user = '$user_id' AND
  341. sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "'
  342. )
  343. ";
  344. $extraJoin = " INNER JOIN $tbl_session_rel_user sru
  345. ON sru.id_session = s.id ";
  346. }
  347. if (api_is_allowed_to_edit() && !api_is_platform_admin()) {
  348. $where.=" AND s.id_coach = $user_id ";
  349. }
  350. $coach_name = " CONCAT(u.lastname , ' ', u.firstname) as coach_name ";
  351. if (api_is_western_name_order()) {
  352. $coach_name = " CONCAT(u.firstname, ' ', u.lastname) as coach_name ";
  353. }
  354. $options['where'] = str_replace(
  355. array("AND session_active = '1' )", " AND ( session_active = '1' )"),
  356. array(') GROUP BY s.name HAVING session_active = 1 ', " GROUP BY s.name HAVING session_active = 1 ")
  357. , $options['where']
  358. );
  359. $options['where'] = str_replace("( session_active = ':' )", '1=1', $options['where']);
  360. $options['where'] = str_replace(
  361. array("AND session_active = '0' )", " AND ( session_active = '0' )"),
  362. array(') GROUP BY s.name HAVING session_active = 0 ', " GROUP BY s.name HAVING session_active = '0' "),
  363. $options['where']
  364. );
  365. $today = api_get_utc_datetime();
  366. $today = api_strtotime($today, 'UTC');
  367. $today = date('Y-m-d', $today);
  368. $courseCondition = null;
  369. if (strpos($options['where'], 'c.id')) {
  370. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  371. $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
  372. $courseCondition = " INNER JOIN $table course_rel_session ON (s.id = course_rel_session.id_session)
  373. INNER JOIN $tableCourse c ON (course_rel_session.course_code = c.code)
  374. ";
  375. }
  376. $select = "SELECT * FROM (SELECT
  377. IF (
  378. (s.date_start <= '$today' AND '$today' <= s.date_end) OR
  379. (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start,'" . $today . "' " . ") <= s.nb_days_access_before_beginning) OR
  380. (s.nb_days_access_after_end > 0 AND DATEDIFF('" . $today . "',s.date_end) <= s.nb_days_access_after_end) OR
  381. (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
  382. (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
  383. ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
  384. , 1, 0)
  385. as session_active,
  386. s.name,
  387. nbr_courses,
  388. s.nbr_users,
  389. s.date_start,
  390. s.date_end,
  391. $coach_name,
  392. sc.name as category_name,
  393. s.visibility,
  394. u.user_id,
  395. s.id";
  396. $limit = null;
  397. if (!empty($options['limit'])) {
  398. $limit = " LIMIT " . $options['limit'];
  399. }
  400. if (!empty($options['where'])) {
  401. $where .= ' '.$options['where'];
  402. }
  403. $order = null;
  404. if (!empty($options['order'])) {
  405. $order = " ORDER BY " . $options['order'];
  406. }
  407. $query = "$select FROM $tbl_session s
  408. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  409. LEFT JOIN $tbl_user u ON s.id_coach = u.user_id
  410. $courseCondition
  411. $extraJoin
  412. $where $order $limit";
  413. if (api_is_multiple_url_enabled()) {
  414. $access_url_id = api_get_current_access_url_id();
  415. if ($access_url_id != -1) {
  416. $query = " $select
  417. FROM $tbl_session s
  418. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  419. LEFT JOIN $tbl_user u ON s.id_coach = u.user_id
  420. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id AND ar.access_url_id = $access_url_id
  421. $courseCondition
  422. $extraJoin
  423. $where $order $limit";
  424. }
  425. }
  426. $query .= ") AS session_table";
  427. $result = Database::query($query);
  428. $formatted_sessions = array();
  429. if (Database::num_rows($result)) {
  430. $sessions = Database::store_result($result);
  431. foreach ($sessions as $session) {
  432. $session['name'] = Display::url($session['name'], "resume_session.php?id_session=" . $session['id']);
  433. $session['coach_name'] = Display::url($session['coach_name'], "user_information.php?user_id=" . $session['user_id']);
  434. if ($session['date_start'] == '0000-00-00' && $session['date_end'] == '0000-00-00') {
  435. // $session['session_active'] = 1;
  436. }
  437. if ($session['session_active'] == 1) {
  438. $session['session_active'] = Display::return_icon('accept.png', get_lang('Active'), array(), ICON_SIZE_SMALL);
  439. } else {
  440. $session['session_active'] = Display::return_icon('error.png', get_lang('Inactive'), array(), ICON_SIZE_SMALL);
  441. }
  442. if ($session['date_start'] == '0000-00-00') {
  443. $session['date_start'] = '';
  444. }
  445. if ($session['date_end'] == '0000-00-00') {
  446. $session['date_end'] = '';
  447. }
  448. switch ($session['visibility']) {
  449. case SESSION_VISIBLE_READ_ONLY: //1
  450. $session['visibility'] = get_lang('SessionReadOnly');
  451. break;
  452. case SESSION_VISIBLE: //2
  453. $session['visibility'] = get_lang('SessionAccessible');
  454. break;
  455. case SESSION_INVISIBLE: //3
  456. $session['visibility'] = api_ucfirst(get_lang('SessionNotAccessible'));
  457. break;
  458. }
  459. $formatted_sessions[] = $session;
  460. }
  461. }
  462. return $formatted_sessions;
  463. }
  464. /**
  465. * Get total of records for progress of learning paths in the given session
  466. * @param int session id
  467. * @return int
  468. */
  469. public static function get_count_session_lp_progress($sessionId = 0)
  470. {
  471. $tbl_lp = Database::get_course_table(TABLE_LP_MAIN);
  472. $tbl_lp_view = Database::get_course_table(TABLE_LP_VIEW);
  473. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  474. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  475. $sql = "select count(*) as total_rows
  476. FROM $tbl_lp_view v
  477. INNER JOIN $tbl_lp l ON l.id = v.lp_id
  478. INNER JOIN $tbl_user u ON u.user_id = v.user_id
  479. INNER JOIN $tbl_course c";
  480. $sql .= ' WHERE v.session_id = ' . $sessionId;
  481. $result_rows = Database::query($sql);
  482. $row = Database::fetch_array($result_rows);
  483. $num = $row['total_rows'];
  484. return $num;
  485. }
  486. /**
  487. * Gets the progress of learning paths in the given session
  488. * @param int session id
  489. * @param array options order and limit keys
  490. * @return array table with user name, lp name, progress
  491. */
  492. public static function get_session_lp_progress($sessionId = 0, $courseId = 0, $date_from, $date_to, $options)
  493. {
  494. //escaping vars
  495. $sessionId = $sessionId == 'T' ? 'T' : intval($sessionId);
  496. $courseId = intval($courseId);
  497. $date_from = Database :: escape_string($date_from);
  498. $date_to = Database :: escape_string($date_to);
  499. //tables
  500. $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  501. $user = Database::get_main_table(TABLE_MAIN_USER);
  502. $tbl_course_lp_view = Database::get_course_table(TABLE_LP_VIEW);
  503. $course = api_get_course_info_by_id($courseId);
  504. //getting all the students of the course
  505. //we are not using this because it only returns user ids
  506. /* if (empty($sessionId)
  507. {
  508. // Registered students in a course outside session.
  509. $users = CourseManager :: get_student_list_from_course_code($course_code);
  510. } else {
  511. // Registered students in session.
  512. $users = CourseManager :: get_student_list_from_course_code($course_code, true, $sessionId);
  513. } */
  514. $sessionCond = 'and id_session = %s';
  515. if ($sessionId == 'T') {
  516. $sessionCond = "";
  517. }
  518. $where = " WHERE course_code = '%s'
  519. AND s.status <> 2 $sessionCond";
  520. $limit = null;
  521. if (!empty($options['limit'])) {
  522. $limit = " LIMIT " . $options['limit'];
  523. }
  524. if (!empty($options['where'])) {
  525. $where .= ' '.$options['where'];
  526. }
  527. $order = null;
  528. if (!empty($options['order'])) {
  529. $order = " ORDER BY " . $options['order'];
  530. }
  531. $sql = "SELECT u.user_id, u.lastname, u.firstname, u.username, u.email, s.course_code
  532. FROM $session_course_user s
  533. INNER JOIN $user u ON u.user_id = s.id_user
  534. $where $order $limit";
  535. $sql_query = sprintf($sql, Database::escape_string($course['code']), $sessionId);
  536. $rs = Database::query($sql_query);
  537. while ($user = Database::fetch_array($rs)) {
  538. $users[$user['user_id']] = $user;
  539. }
  540. //Get lessons
  541. require_once api_get_path(SYS_CODE_PATH) . 'newscorm/learnpathList.class.php';
  542. $lessons = LearnpathList::get_course_lessons($course['code'], $sessionId);
  543. $table = array();
  544. foreach ($users as $user) {
  545. $data = array(
  546. 'lastname' => $user[1],
  547. 'firstname' => $user[2],
  548. 'username' => $user[3],
  549. );
  550. $sessionCond = 'AND v.session_id = %d';
  551. if ($sessionId == 'T') {
  552. $sessionCond = "";
  553. }
  554. //Get lessons progress by user
  555. $sql = "SELECT v.lp_id as id, v.progress
  556. FROM $tbl_course_lp_view v
  557. WHERE v.c_id = %d
  558. AND v.user_id = %d
  559. $sessionCond";
  560. $sql_query = sprintf($sql,
  561. intval($courseId),
  562. Database::escape_string($user['user_id']),
  563. $sessionId
  564. );
  565. $result = Database::query($sql_query);
  566. $user_lessons = array();
  567. while ($row = Database::fetch_array($result)) {
  568. $user_lessons[$row['id']] = $row;
  569. }
  570. //Match course lessons with user progress
  571. $progress = 0;
  572. $count = 0;
  573. foreach ($lessons as $lesson) {
  574. $data[$lesson['id']] = (!empty($user_lessons[$lesson['id']]['progress'])) ? $user_lessons[$lesson['id']]['progress'] : 0;
  575. $progress += $data[$lesson['id']];
  576. $data[$lesson['id']] = $data[$lesson['id']] . '%';
  577. $count++;
  578. }
  579. if ($count == 0) {
  580. $data['total'] = 0;
  581. } else {
  582. $data['total'] = round($progress / $count, 2) . '%';
  583. }
  584. $table[] = $data;
  585. }
  586. return $table;
  587. }
  588. /**
  589. * Gets the survey answers
  590. * @param int session id
  591. * @param int course id
  592. * @param int survey id
  593. * @param array options order and limit keys
  594. * @todo fix the query
  595. * @return array table with user name, lp name, progress
  596. */
  597. public static function get_survey_overview($sessionId = 0, $courseId = 0, $surveyId = 0, $date_from, $date_to, $options)
  598. {
  599. //escaping vars
  600. $sessionId = intval($sessionId);
  601. $courseId = intval($courseId);
  602. $surveyId = intval($surveyId);
  603. $date_from = Database::escape_string($date_from);
  604. $date_to = Database::escape_string($date_to);
  605. //tables
  606. $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  607. $user = Database::get_main_table(TABLE_MAIN_USER);
  608. $tbl_course_lp_view = Database::get_course_table(TABLE_LP_VIEW);
  609. $c_survey = Database::get_course_table(TABLE_SURVEY);
  610. $c_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
  611. $c_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
  612. $c_survey_question_option = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
  613. $course = api_get_course_info_by_id($courseId);
  614. $where = " WHERE course_code = '%s' AND s.status <> 2 AND id_session = %s";
  615. $limit = null;
  616. if (!empty($options['limit'])) {
  617. $limit = " LIMIT " . $options['limit'];
  618. }
  619. if (!empty($options['where'])) {
  620. $where .= ' '.$options['where'];
  621. }
  622. $order = null;
  623. if (!empty($options['order'])) {
  624. $order = " ORDER BY " . $options['order'];
  625. }
  626. /* $where_survey = '';
  627. if (!empty($date_to) && !empty($date_from)) {
  628. $where_survey = sprintf(" AND s.avail_from >= '%s'
  629. AND s.avail_till <= '%s'", $date_from, $date_to);
  630. } */
  631. $sql = "SELECT u.user_id, u.lastname, u.firstname, u.username, u.email, s.course_code
  632. FROM $session_course_user s
  633. INNER JOIN $user u ON u.user_id = s.id_user
  634. $where $order $limit";
  635. $sql_query = sprintf($sql, Database::escape_string($course['code']), $sessionId);
  636. $rs = Database::query($sql_query);
  637. while ($user = Database::fetch_array($rs)) {
  638. $users[$user['user_id']] = $user;
  639. }
  640. //Get survey questions
  641. $questions = survey_manager::get_questions($surveyId, $courseId);
  642. //Survey is anonymous?
  643. $result = Database::query(sprintf("SELECT anonymous FROM $c_survey WHERE survey_id = %d", $surveyId));
  644. $row = Database::fetch_array($result);
  645. $anonymous = ($row['anonymous'] == 1) ? true : false;
  646. $table = array();
  647. foreach ($users as $user) {
  648. $data = array(
  649. 'lastname' => ($anonymous ? '***' : $user[1]),
  650. 'firstname' => ($anonymous ? '***' : $user[2]),
  651. 'username' => ($anonymous ? '***' : $user[3]),
  652. );
  653. //Get questions by user
  654. $sql = "SELECT sa.question_id, sa.option_id, sqo.option_text, sq.type
  655. FROM $c_survey_answer sa
  656. INNER JOIN $c_survey_question sq
  657. ON sq.question_id = sa.question_id
  658. LEFT JOIN $c_survey_question_option sqo
  659. ON
  660. sqo.c_id = sa.c_id AND
  661. sqo.question_id = sq.question_id AND
  662. sqo.question_option_id = sa.option_id AND
  663. sqo.survey_id = sq.survey_id
  664. WHERE
  665. sa.survey_id = %d AND
  666. sa.c_id = %d AND
  667. sa.user = %d
  668. "; //. $where_survey;
  669. $sql_query = sprintf($sql, $surveyId, $courseId, $user['user_id']);
  670. $result = Database::query($sql_query);
  671. $user_questions = array();
  672. while ($row = Database::fetch_array($result)) {
  673. $user_questions[$row['question_id']] = $row;
  674. }
  675. //Match course lessons with user progress
  676. foreach ($questions as $question_id => $question) {
  677. $option_text = 'option_text';
  678. if ($user_questions[$question_id]['type'] == 'open') {
  679. $option_text = 'option_id';
  680. }
  681. $data[$question_id] = $user_questions[$question_id][$option_text];
  682. }
  683. $table[] = $data;
  684. }
  685. return $table;
  686. }
  687. /**
  688. * Gets the progress of the given session
  689. * @param int session id
  690. * @param array options order and limit keys
  691. * @return array table with user name, lp name, progress
  692. */
  693. public static function get_session_progress($sessionId, $courseId, $date_from, $date_to, $options)
  694. {
  695. $sessionId = intval($sessionId);
  696. $getAllSessions = false;
  697. if (empty($sessionId)) {
  698. $sessionId = 0;
  699. $getAllSessions = true;
  700. }
  701. //tables
  702. $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  703. $user = Database::get_main_table(TABLE_MAIN_USER);
  704. $course_rel_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  705. $workTable = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
  706. $workTableAssignment = Database::get_course_table(TABLE_STUDENT_PUBLICATION_ASSIGNMENT);
  707. $forum = Database::get_course_table(TABLE_FORUM);
  708. $forum_post = Database::get_course_table(TABLE_FORUM_POST);
  709. $tbl_course_lp = Database::get_course_table(TABLE_LP_MAIN);
  710. $wiki = Database::get_course_table(TABLE_WIKI);
  711. $table_stats_default = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DEFAULT);
  712. $table_stats_access = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ACCESS);
  713. $course = api_get_course_info_by_id($courseId);
  714. //getting all the students of the course
  715. //we are not using this because it only returns user ids
  716. /* if (empty($sessionId)
  717. {
  718. // Registered students in a course outside session.
  719. $users = CourseManager :: get_student_list_from_course_code($course_code);
  720. } else {
  721. // Registered students in session.
  722. $users = CourseManager :: get_student_list_from_course_code($course_code, true, $sessionId);
  723. } */
  724. $where = " WHERE course_code = '%s' AND s.status <> 2 ";
  725. $limit = null;
  726. if (!empty($options['limit'])) {
  727. $limit = " LIMIT " . $options['limit'];
  728. }
  729. if (!empty($options['where'])) {
  730. $where .= ' '.$options['where'];
  731. }
  732. $order = null;
  733. if (!empty($options['order'])) {
  734. $order = " ORDER BY " . $options['order'];
  735. }
  736. //TODO, fix create report without session
  737. $queryVariables = array($course['code']);
  738. if (!empty($sessionId)) {
  739. $where .= ' AND id_session = %s';
  740. $queryVariables[] = $sessionId;
  741. $sql = "SELECT
  742. u.user_id, u.lastname, u.firstname, u.username,
  743. u.email, s.course_code, s.id_session
  744. FROM $session_course_user s
  745. INNER JOIN $user u
  746. ON u.user_id = s.id_user
  747. $where $order $limit";
  748. } else {
  749. $sql = "SELECT
  750. u.user_id, u.lastname, u.firstname, u.username,
  751. u.email, s.course_code, s.id_session
  752. FROM $session_course_user s
  753. INNER JOIN $user u ON u.user_id = s.id_user
  754. $where $order $limit";
  755. }
  756. $sql_query = vsprintf($sql, $queryVariables);
  757. $rs = Database::query($sql_query);
  758. while ($user = Database::fetch_array($rs)) {
  759. $users[$user['user_id']] = $user;
  760. }
  761. /**
  762. * Lessons
  763. */
  764. $sql = "SELECT * FROM $tbl_course_lp WHERE c_id = %s "; //AND session_id = %s
  765. $sql_query = sprintf($sql, $course['real_id']);
  766. $result = Database::query($sql_query);
  767. $arrLesson = array(array());
  768. while ($row = Database::fetch_array($result)) {
  769. // if (api_get_item_visibility(api_get_course_info($course['code']), 'learnpath', $row['id'], $row['session_id']))
  770. // {
  771. if (empty($arrLesson[$row['session_id']]['lessons_total'])) {
  772. $arrLesson[$row['session_id']]['lessons_total'] = 1;
  773. } else {
  774. $arrLesson[$row['session_id']]['lessons_total'] ++;
  775. }
  776. // }
  777. }
  778. /**
  779. * Exercises
  780. */
  781. require_once api_get_path(SYS_CODE_PATH) . 'exercice/exercise.lib.php';
  782. $exercises = get_all_exercises($course, $sessionId, false, '', $getAllSessions);
  783. $exercises_total = count($exercises);
  784. /**
  785. * Assignments
  786. */
  787. //total
  788. if ($getAllSessions) {
  789. $sql = "SELECT count(w.id) as count
  790. FROM $workTable w
  791. LEFT JOIN $workTableAssignment a ON (a.publication_id = w.id AND a.c_id = w.c_id)
  792. WHERE w.c_id = %s
  793. AND parent_id = 0
  794. AND active IN (1, 0)";
  795. } else {
  796. $sql = "SELECT count(w.id) as count
  797. FROM $workTable w
  798. LEFT JOIN $workTableAssignment a ON (a.publication_id = w.id AND a.c_id = w.c_id)
  799. WHERE w.c_id = %s
  800. AND parent_id = 0
  801. AND active IN (1, 0)
  802. AND session_id = %s";
  803. }
  804. $sql_query = sprintf($sql, $course['real_id'], $sessionId);
  805. $result = Database::query($sql_query);
  806. $row = Database::fetch_array($result);
  807. $assignments_total = $row['count'];
  808. /**
  809. * Wiki
  810. */
  811. if ($getAllSessions) {
  812. $sql = "SELECT count(distinct page_id) as count FROM $wiki
  813. WHERE c_id = %s";
  814. } else {
  815. $sql = "SELECT count(distinct page_id) as count FROM $wiki
  816. WHERE c_id = %s and session_id = %s";
  817. }
  818. $sql_query = sprintf($sql, $course['real_id'], $sessionId);
  819. $result = Database::query($sql_query);
  820. $row = Database::fetch_array($result);
  821. $wiki_total = $row['count'];
  822. /**
  823. * Surveys
  824. */
  825. $survey_user_list = array();
  826. $survey_list = survey_manager::get_surveys($course['code'], $sessionId);
  827. $surveys_total = count($survey_list);
  828. $survey_data = array();
  829. foreach ($survey_list as $survey) {
  830. $user_list = survey_manager::get_people_who_filled_survey($survey['survey_id'], false, $course['real_id']);
  831. foreach ($user_list as $user_id) {
  832. isset($survey_user_list[$user_id]) ? $survey_user_list[$user_id] ++ : $survey_user_list[$user_id] = 1;
  833. }
  834. }
  835. /**
  836. * Forums
  837. */
  838. $forums_total = CourseManager::getCountForum(
  839. $course['real_id'],
  840. $sessionId,
  841. $getAllSessions
  842. );
  843. //process table info
  844. foreach ($users as $user) {
  845. //Course description
  846. $sql = "SELECT count(*) as count
  847. FROM $table_stats_access
  848. WHERE access_tool = 'course_description'
  849. AND access_cours_code = '%s'
  850. AND access_session_id = %s
  851. AND access_user_id = %s ";
  852. $sql_query = sprintf($sql, $course['code'], $user['id_session'], $user['user_id']);
  853. $result = Database::query($sql_query);
  854. $row = Database::fetch_array($result);
  855. $course_description_progress = ($row['count'] > 0) ? 100 : 0;
  856. if (!empty($arrLesson[$user['id_session']]['lessons_total'])) {
  857. $lessons_total = $arrLesson[$user['id_session']]['lessons_total'];
  858. } else {
  859. $lessons_total = !empty($arrLesson[0]['lessons_total']) ? $arrLesson[0]['lessons_total'] : 0;
  860. }
  861. //Lessons
  862. //TODO: Lessons done and left is calculated by progress per item in lesson, maybe we should calculate it only per completed lesson?
  863. $lessons_progress = Tracking::get_avg_student_progress($user['user_id'], $course['code'], array(), $user['id_session']);
  864. $lessons_done = ($lessons_progress * $lessons_total) / 100;
  865. $lessons_left = $lessons_total - $lessons_done;
  866. //Exercises
  867. $exercises_progress = str_replace('%', '', Tracking::get_exercise_student_progress($exercises, $user['user_id'], $course['code'], $user['id_session']));
  868. $exercises_done = round(($exercises_progress * $exercises_total) / 100);
  869. $exercises_left = $exercises_total - $exercises_done;
  870. //Assignments
  871. $assignments_done = Tracking::count_student_assignments($user['user_id'], $course['code'], $user['id_session']);
  872. $assignments_left = $assignments_total - $assignments_done;
  873. if (!empty($assignments_total)) {
  874. $assignments_progress = round((( $assignments_done * 100 ) / $assignments_total), 2);
  875. } else {
  876. $assignments_progress = 0;
  877. }
  878. //Wiki
  879. //total revisions per user
  880. $sql = "SELECT count(*) as count
  881. FROM $wiki
  882. where c_id = %s and session_id = %s and user_id = %s";
  883. $sql_query = sprintf($sql, $course['real_id'], $user['id_session'], $user['user_id']);
  884. $result = Database::query($sql_query);
  885. $row = Database::fetch_array($result);
  886. $wiki_revisions = $row['count'];
  887. //count visited wiki pages
  888. $sql = "SELECT count(distinct default_value) as count
  889. FROM $table_stats_default
  890. WHERE default_user_id = %s
  891. AND default_cours_code = '%s'
  892. AND default_event_type = 'wiki_page_view'
  893. AND default_value_type = 'wiki_page_id'
  894. AND c_id = %s";
  895. $sql_query = sprintf($sql, $user['user_id'], $course['code'], $course['real_id']);
  896. $result = Database::query($sql_query);
  897. $row = Database::fetch_array($result);
  898. $wiki_read = $row['count'];
  899. $wiki_unread = $wiki_total - $wiki_read;
  900. if (!empty($wiki_total)) {
  901. $wiki_progress = round((( $wiki_read * 100 ) / $wiki_total), 2);
  902. } else {
  903. $wiki_progress = 0;
  904. }
  905. //Surveys
  906. $surveys_done = (isset($survey_user_list[$user['user_id']]) ? $survey_user_list[$user['user_id']] : 0);
  907. $surveys_left = $surveys_total - $surveys_done;
  908. if (!empty($surveys_total)) {
  909. $surveys_progress = round((( $surveys_done * 100 ) / $surveys_total), 2);
  910. } else {
  911. $surveys_progress = 0;
  912. }
  913. //Forums
  914. $forums_done = CourseManager::getCountForumPerUser(
  915. $user['user_id'],
  916. $course['real_id'],
  917. $user['id_session']
  918. );
  919. $forums_left = $forums_total - $forums_done;
  920. if (!empty($forums_total)) {
  921. $forums_progress = round((( $forums_done * 100 ) / $forums_total), 2);
  922. } else {
  923. $forums_progress = 0;
  924. }
  925. //Overall Total
  926. $overall_total = ($course_description_progress + $exercises_progress + $forums_progress + $assignments_progress + $wiki_progress + $surveys_progress) / 6;
  927. $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>';
  928. $linkForum = '<a href="' . api_get_path(WEB_CODE_PATH) . 'forum/index.php?cidReq=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
  929. $linkWork = '<a href="' . api_get_path(WEB_CODE_PATH) . 'work/work.php?cidReq=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
  930. $linkWiki = '<a href="' . api_get_path(WEB_CODE_PATH) . 'wiki/index.php?cidReq=' . $course['code'] . '&session_id=' . $user['id_session'] . '&action=statistics"> %s </a>';
  931. $linkSurvey = '<a href="' . api_get_path(WEB_CODE_PATH) . 'survey/survey_list.php?cidReq=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
  932. $table[] = array(
  933. 'lastname' => $user[1],
  934. 'firstname' => $user[2],
  935. 'username' => $user[3],
  936. #'profile' => '',
  937. 'total' => round($overall_total, 2) . '%',
  938. 'courses' => sprintf($link, $course_description_progress . '%'),
  939. 'lessons' => sprintf($link, $lessons_progress . '%'),
  940. 'exercises' => sprintf($link, $exercises_progress . '%'),
  941. 'forums' => sprintf($link, $forums_progress . '%'),
  942. 'homeworks' => sprintf($link, $assignments_progress . '%'),
  943. 'wikis' => sprintf($link, $wiki_progress . '%'),
  944. 'surveys' => sprintf($link, $surveys_progress . '%'),
  945. //course description
  946. 'course_description_progress' => $course_description_progress . '%',
  947. //lessons
  948. 'lessons_total' => sprintf($link, $lessons_total),
  949. 'lessons_done' => sprintf($link, $lessons_done),
  950. 'lessons_left' => sprintf($link, $lessons_left),
  951. 'lessons_progress' => sprintf($link, $lessons_progress . '%'),
  952. //exercises
  953. 'exercises_total' => sprintf($link, $exercises_total),
  954. 'exercises_done' => sprintf($link, $exercises_done),
  955. 'exercises_left' => sprintf($link, $exercises_left),
  956. 'exercises_progress' => sprintf($link, $exercises_progress . '%'),
  957. //forums
  958. 'forums_total' => sprintf($linkForum, $forums_total),
  959. 'forums_done' => sprintf($linkForum, $forums_done),
  960. 'forums_left' => sprintf($linkForum, $forums_left),
  961. 'forums_progress' => sprintf($linkForum, $forums_progress . '%'),
  962. //assignments
  963. 'assignments_total' => sprintf($linkWork, $assignments_total),
  964. 'assignments_done' => sprintf($linkWork, $assignments_done),
  965. 'assignments_left' => sprintf($linkWork, $assignments_left),
  966. 'assignments_progress' => sprintf($linkWork, $assignments_progress . '%'),
  967. //wiki
  968. 'wiki_total' => sprintf($linkWiki, $wiki_total),
  969. 'wiki_revisions' => sprintf($linkWiki, $wiki_revisions),
  970. 'wiki_read' => sprintf($linkWiki, $wiki_read),
  971. 'wiki_unread' => sprintf($linkWiki, $wiki_unread),
  972. 'wiki_progress' => sprintf($linkWiki, $wiki_progress . '%'),
  973. //survey
  974. 'surveys_total' => sprintf($linkSurvey, $surveys_total),
  975. 'surveys_done' => sprintf($linkSurvey, $surveys_done),
  976. 'surveys_left' => sprintf($linkSurvey, $surveys_left),
  977. 'surveys_progress' => sprintf($linkSurvey, $surveys_progress . '%'),
  978. );
  979. }
  980. return $table;
  981. }
  982. function get_number_of_tracking_access_overview()
  983. {
  984. // database table definition
  985. $track_e_course_access = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
  986. return Database::count_rows($track_e_course_access);
  987. }
  988. /**
  989. * Get the ip, total of clicks, login date and time logged in for all user, in one session
  990. * @todo track_e_course_access table should have ip so we dont have to look for it in track_e_login
  991. *
  992. * @author César Perales <cesar.perales@beeznest.com>, Beeznest Team
  993. * @version Chamilo 1.9.6
  994. */
  995. static function get_user_data_access_tracking_overview(
  996. $sessionId,
  997. $courseId,
  998. $studentId = 0,
  999. $profile = '',
  1000. $date_from = '',
  1001. $date_to = '',
  1002. $options
  1003. ) {
  1004. global $_configuration;
  1005. //escaping variables
  1006. $sessionId = intval($sessionId);
  1007. $courseId = intval($courseId);
  1008. $studentId = intval($studentId);
  1009. $profile = intval($profile);
  1010. $date_from = Database::escape_string($date_from);
  1011. $date_to = Database::escape_string($date_to);
  1012. // database table definition
  1013. $user = Database :: get_main_table(TABLE_MAIN_USER);
  1014. $course = Database :: get_main_table(TABLE_MAIN_COURSE);
  1015. $track_e_login = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
  1016. $track_e_course_access = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
  1017. $sessionTable = Database :: get_main_table(TABLE_MAIN_SESSION);
  1018. global $export_csv;
  1019. if ($export_csv) {
  1020. $is_western_name_order = api_is_western_name_order(PERSON_NAME_DATA_EXPORT);
  1021. } else {
  1022. $is_western_name_order = api_is_western_name_order();
  1023. }
  1024. if (isset($sessionId) && !empty($sessionId)) {
  1025. $where = sprintf(" WHERE a.session_id = %d", $sessionId);
  1026. }
  1027. if (isset($courseId) && !empty($courseId)) {
  1028. $where .= sprintf(" AND c.id = %d", $courseId);
  1029. }
  1030. if (isset($studentId) && !empty($studentId)) {
  1031. $where .= sprintf(" AND u.user_id = %d", $studentId);
  1032. }
  1033. if (isset($profile) && !empty($profile)) {
  1034. $where .= sprintf(" AND u.status = %d", $profile);
  1035. }
  1036. if (!empty($date_to) && !empty($date_from)) {
  1037. $where .= sprintf(
  1038. " AND a.login_course_date >= '%s 00:00:00'
  1039. AND a.login_course_date <= '%s 23:59:59'",
  1040. $date_from,
  1041. $date_to
  1042. );
  1043. }
  1044. $limit = null;
  1045. if (!empty($options['limit'])) {
  1046. $limit = " LIMIT " . $options['limit'];
  1047. }
  1048. if (!empty($options['where'])) {
  1049. $where .= ' '.$options['where'];
  1050. }
  1051. $order = null;
  1052. if (!empty($options['order'])) {
  1053. $order = " ORDER BY " . $options['order'];
  1054. }
  1055. //TODO add course name
  1056. $sql = "SELECT
  1057. a.login_course_date ,
  1058. u.username ,
  1059. " . ($is_western_name_order ? "
  1060. u.firstname,
  1061. u.lastname,
  1062. " : "
  1063. u.lastname,
  1064. u.firstname,
  1065. ") . "
  1066. a.logout_course_date,
  1067. a.counter,
  1068. c.title,
  1069. c.code,
  1070. u.user_id,
  1071. a.session_id
  1072. FROM $track_e_course_access a
  1073. INNER JOIN $user u ON a.user_id = u.user_id
  1074. INNER JOIN $course c ON a.course_code = c.code
  1075. $where $order $limit";
  1076. $result = Database::query(sprintf($sql, $sessionId, $courseId));
  1077. $data = array();
  1078. while ($user = Database::fetch_assoc($result)) {
  1079. $data[] = $user;
  1080. }
  1081. //foreach
  1082. foreach ($data as $key => $info) {
  1083. $sql = "SELECT
  1084. name
  1085. FROM $sessionTable
  1086. WHERE
  1087. id = {$info['session_id']}";
  1088. $result = Database::query($sql);
  1089. $session = Database::fetch_assoc($result);
  1090. //We are not using this becaouse the range its to small and no other date match the condition of this function
  1091. //$clicks = Tracking::get_total_clicks($info['user_id'], $courseId, $sessionId, $info['login_course_date'], $info['logout_course_date']);
  1092. #building array to display
  1093. $return[] = array(
  1094. 'user_id' => $info['user_id'],
  1095. 'logindate' => $info['login_course_date'],
  1096. 'username' => $info['username'],
  1097. 'firstname' => $info['firstname'],
  1098. 'lastname' => $info['lastname'],
  1099. 'clicks' => $info['counter'], //+ $clicks[$info['user_id']],
  1100. 'ip' => '',
  1101. 'timeLoggedIn' => gmdate("H:i:s", strtotime($info['logout_course_date']) - strtotime($info['login_course_date'])),
  1102. 'session' => $session['name']);
  1103. }
  1104. foreach ($return as $key => $info) {
  1105. //Search for ip, we do less querys if we iterate the final array
  1106. $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
  1107. $result = Database::query($sql);
  1108. $ip = Database::fetch_assoc($result);
  1109. //if no ip founded, we search the closest higher ip
  1110. if (empty($ip['login_ip'])) {
  1111. $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
  1112. $result = Database::query($sql);
  1113. $ip = Database::fetch_assoc($result);
  1114. }
  1115. #add ip to final array
  1116. $return[$key]['ip'] = $ip['login_ip'];
  1117. }
  1118. return $return;
  1119. }
  1120. /**
  1121. * Creates a new course code based in given code
  1122. *
  1123. * @param string wanted code
  1124. * <code>
  1125. * $wanted_code = 'curse' if there are in the DB codes like curse1 curse2 the function will return: course3
  1126. * if the course code doest not exist in the DB the same course code will be returned
  1127. * </code>
  1128. * @return string wanted unused code
  1129. */
  1130. public static function generate_nice_next_session_name($session_name)
  1131. {
  1132. $session_name_ok = !self::session_name_exists($session_name);
  1133. if (!$session_name_ok) {
  1134. $table = Database::get_main_table(TABLE_MAIN_SESSION);
  1135. $session_name = Database::escape_string($session_name);
  1136. $sql = "SELECT count(*) as count FROM $table WHERE name LIKE '$session_name%'";
  1137. $result = Database::query($sql);
  1138. if (Database::num_rows($result) > 0) {
  1139. $row = Database::fetch_array($result);
  1140. $count = $row['count'] + 1;
  1141. $session_name = $session_name . '_' . $count;
  1142. $result = self::session_name_exists($session_name);
  1143. if (!$result) {
  1144. return $session_name;
  1145. }
  1146. }
  1147. return false;
  1148. }
  1149. return $session_name;
  1150. }
  1151. /**
  1152. * Edit a session
  1153. * @author Carlos Vargas from existing code
  1154. * @param integer id
  1155. * @param string name
  1156. * @param integer year_start
  1157. * @param integer month_start
  1158. * @param integer day_start
  1159. * @param integer year_end
  1160. * @param integer month_end
  1161. * @param integer day_end
  1162. * @param integer nb_days_acess_before
  1163. * @param integer nb_days_acess_after
  1164. * @param integer nolimit
  1165. * @param integer id_coach
  1166. * @param integer id_session_category
  1167. * @param int $id_visibility
  1168. * @param bool
  1169. * @param bool
  1170. * @param string $description
  1171. * @param int $showDescription
  1172. * @return $id;
  1173. * The parameter id is a primary key
  1174. * */
  1175. public static function edit_session(
  1176. $id,
  1177. $name,
  1178. $year_start,
  1179. $month_start,
  1180. $day_start,
  1181. $year_end,
  1182. $month_end,
  1183. $day_end,
  1184. $nb_days_acess_before,
  1185. $nb_days_acess_after,
  1186. $nolimit,
  1187. $id_coach,
  1188. $id_session_category,
  1189. $id_visibility,
  1190. $start_limit = true,
  1191. $end_limit = true,
  1192. $description = null,
  1193. $showDescription = null,
  1194. $duration = null
  1195. ) {
  1196. $name = trim(stripslashes($name));
  1197. $year_start = intval($year_start);
  1198. $month_start = intval($month_start);
  1199. $day_start = intval($day_start);
  1200. $year_end = intval($year_end);
  1201. $month_end = intval($month_end);
  1202. $day_end = intval($day_end);
  1203. $id_coach = intval($id_coach);
  1204. $nb_days_acess_before = intval($nb_days_acess_before);
  1205. $nb_days_acess_after = intval($nb_days_acess_after);
  1206. $id_session_category = intval($id_session_category);
  1207. $id_visibility = intval($id_visibility);
  1208. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1209. if (empty($nolimit)) {
  1210. $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
  1211. $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
  1212. } else {
  1213. $date_start = "0000-00-00";
  1214. $date_end = "0000-00-00";
  1215. $id_visibility = 1; //force read only
  1216. }
  1217. if (!empty($no_end_limit)) {
  1218. $date_end = "0000-00-00";
  1219. }
  1220. if (empty($end_limit)) {
  1221. $date_end = "0000-00-00";
  1222. $id_visibility = 1; //force read only
  1223. }
  1224. if (empty($start_limit)) {
  1225. $date_start = "0000-00-00";
  1226. }
  1227. if (empty($name)) {
  1228. $msg = get_lang('SessionNameIsRequired');
  1229. return $msg;
  1230. } elseif (empty($id_coach)) {
  1231. $msg = get_lang('CoachIsRequired');
  1232. return $msg;
  1233. } elseif (!empty($start_limit) && empty($nolimit) && (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start))) {
  1234. $msg = get_lang('InvalidStartDate');
  1235. return $msg;
  1236. } elseif (!empty($end_limit) && empty($nolimit) && (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end))) {
  1237. $msg = get_lang('InvalidEndDate');
  1238. return $msg;
  1239. } elseif (!empty($start_limit) && !empty($end_limit) && empty($nolimit) && $date_start >= $date_end) {
  1240. $msg = get_lang('StartDateShouldBeBeforeEndDate');
  1241. return $msg;
  1242. } else {
  1243. $rs = Database::query("SELECT id FROM $tbl_session WHERE name='" . Database::escape_string($name) . "'");
  1244. $exists = false;
  1245. while ($row = Database::fetch_array($rs)) {
  1246. if ($row['id'] != $id) {
  1247. $exists = true;
  1248. }
  1249. }
  1250. if ($exists) {
  1251. $msg = get_lang('SessionNameAlreadyExists');
  1252. return $msg;
  1253. } else {
  1254. $sessionInfo = SessionManager::fetch($id);
  1255. $descriptionCondition = null;
  1256. if (array_key_exists('description', $sessionInfo)) {
  1257. $descriptionCondition = ' description = "' . Database::escape_string($description) . '" ,';
  1258. }
  1259. $showDescriptionCondition = null;
  1260. if (array_key_exists('show_description', $sessionInfo)) {
  1261. $showDescriptionCondition = ' show_description = "' . Database::escape_string($showDescription) . '" ,';
  1262. }
  1263. $durationCondition = null;
  1264. if (self::durationPerUserIsEnabled()) {
  1265. if (empty($duration)) {
  1266. $duration = null;
  1267. } else {
  1268. $date_start = '0000-00-00';
  1269. $date_end = "0000-00-00";
  1270. $duration = intval($duration);
  1271. }
  1272. $durationCondition = ' duration = "' . $duration . '" ,';
  1273. }
  1274. $sql = "UPDATE $tbl_session SET
  1275. name='" . Database::escape_string($name) . "',
  1276. date_start='" . $date_start . "',
  1277. date_end='" . $date_end . "',
  1278. id_coach='" . $id_coach . "',
  1279. nb_days_access_before_beginning = " . $nb_days_acess_before . ",
  1280. nb_days_access_after_end = " . $nb_days_acess_after . ",
  1281. session_category_id = " . $id_session_category . " ,
  1282. $descriptionCondition
  1283. $showDescriptionCondition
  1284. $durationCondition
  1285. visibility= " . $id_visibility . "
  1286. WHERE id='$id'";
  1287. Database::query($sql);
  1288. return $id;
  1289. }
  1290. }
  1291. }
  1292. /**
  1293. * Delete session
  1294. * @author Carlos Vargas from existing code
  1295. * @param array id_checked an array to delete sessions
  1296. * @param boolean optional, true if the function is called by a webservice, false otherwise.
  1297. * @return void Nothing, or false on error
  1298. * */
  1299. public static function delete_session($id_checked, $from_ws = false)
  1300. {
  1301. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1302. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1303. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1304. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1305. $tbl_url_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1306. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1307. $userId = api_get_user_id();
  1308. if (is_array($id_checked)) {
  1309. $id_checked = Database::escape_string(implode(',', $id_checked));
  1310. } else {
  1311. $id_checked = intval($id_checked);
  1312. }
  1313. if (!api_is_platform_admin() && !$from_ws) {
  1314. $sql = 'SELECT session_admin_id FROM ' . Database :: get_main_table(TABLE_MAIN_SESSION) . ' WHERE id=' . $id_checked;
  1315. $rs = Database::query($sql);
  1316. if (Database::result($rs, 0, 0) != $userId) {
  1317. api_not_allowed(true);
  1318. }
  1319. }
  1320. Database::query("DELETE FROM $tbl_session WHERE id IN($id_checked)");
  1321. Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session IN($id_checked)");
  1322. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session IN($id_checked)");
  1323. Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session IN($id_checked)");
  1324. Database::query("DELETE FROM $tbl_url_session WHERE session_id IN($id_checked)");
  1325. $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked'";
  1326. Database::query($sql_delete_sfv);
  1327. // Add event to system log
  1328. event_system(LOG_SESSION_DELETE, LOG_SESSION_ID, $id_checked, api_get_utc_datetime(), $userId);
  1329. }
  1330. /**
  1331. * @param int $id_promotion
  1332. * @return bool
  1333. */
  1334. public static function clear_session_ref_promotion($id_promotion)
  1335. {
  1336. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1337. $id_promotion = intval($id_promotion);
  1338. $update_sql = "UPDATE $tbl_session SET promotion_id=0 WHERE promotion_id='$id_promotion'";
  1339. if (Database::query($update_sql)) {
  1340. return true;
  1341. } else {
  1342. return false;
  1343. }
  1344. }
  1345. /**
  1346. * Subscribes students to the given session and optionally (default) unsubscribes previous users
  1347. *
  1348. * @author Carlos Vargas from existing code
  1349. * @author Julio Montoya. Cleaning code.
  1350. * @param int $id_session
  1351. * @param array $user_list
  1352. * @param int $session_visibility
  1353. * @param bool $empty_users
  1354. * @param bool $send_email
  1355. * @return bool
  1356. */
  1357. public static function suscribe_users_to_session(
  1358. $id_session,
  1359. $user_list,
  1360. $session_visibility = SESSION_VISIBLE_READ_ONLY,
  1361. $empty_users = true,
  1362. $send_email = false
  1363. ) {
  1364. if ($id_session != strval(intval($id_session))) {
  1365. return false;
  1366. }
  1367. foreach ($user_list as $intUser) {
  1368. if ($intUser != strval(intval($intUser))) {
  1369. return false;
  1370. }
  1371. }
  1372. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1373. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1374. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1375. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1376. $session_info = api_get_session_info($id_session);
  1377. $session_name = $session_info['name'];
  1378. // from function parameter
  1379. if (empty($session_visibility)) {
  1380. $session_visibility = $session_info['visibility']; //loaded from DB
  1381. //default status loaded if empty
  1382. if (empty($session_visibility))
  1383. $session_visibility = SESSION_VISIBLE_READ_ONLY; // by default readonly 1
  1384. } else {
  1385. if (!in_array($session_visibility, array(SESSION_VISIBLE_READ_ONLY, SESSION_VISIBLE, SESSION_INVISIBLE))) {
  1386. $session_visibility = SESSION_VISIBLE_READ_ONLY;
  1387. }
  1388. }
  1389. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user
  1390. WHERE id_session = '$id_session' AND status = 0";
  1391. $result = Database::query($sql);
  1392. $existingUsers = array();
  1393. while ($row = Database::fetch_array($result)) {
  1394. $existingUsers[] = $row['id_user'];
  1395. }
  1396. $sql = "SELECT course_code FROM $tbl_session_rel_course
  1397. WHERE id_session = '$id_session'";
  1398. $result = Database::query($sql);
  1399. $course_list = array();
  1400. while ($row = Database::fetch_array($result)) {
  1401. $course_list[] = $row['course_code'];
  1402. }
  1403. if ($send_email) {
  1404. // Sending emails only
  1405. if (is_array($user_list) && count($user_list) > 0) {
  1406. foreach ($user_list as $user_id) {
  1407. if (!in_array($user_id, $existingUsers)) {
  1408. $subject = '[' . get_setting('siteName') . '] ' . get_lang('YourReg') . ' ' . get_setting('siteName');
  1409. $user_info = api_get_user_info($user_id);
  1410. $content = get_lang('Dear') . " " . stripslashes($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');
  1411. MessageManager::send_message(
  1412. $user_id,
  1413. $subject,
  1414. $content,
  1415. array(),
  1416. array(),
  1417. null,
  1418. null,
  1419. null,
  1420. null,
  1421. null
  1422. );
  1423. }
  1424. }
  1425. }
  1426. }
  1427. foreach ($course_list as $enreg_course) {
  1428. // for each course in the session
  1429. $nbr_users = 0;
  1430. $enreg_course = Database::escape_string($enreg_course);
  1431. $sql = "SELECT DISTINCT id_user FROM $tbl_session_rel_course_rel_user
  1432. WHERE id_session = '$id_session' AND course_code='$enreg_course' AND status = 0";
  1433. $result = Database::query($sql);
  1434. $existingUsers = array();
  1435. while ($row = Database::fetch_array($result)) {
  1436. $existingUsers[] = $row['id_user'];
  1437. }
  1438. // Delete existing users
  1439. if ($empty_users) {
  1440. foreach ($existingUsers as $existing_user) {
  1441. if (!in_array($existing_user, $user_list)) {
  1442. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  1443. WHERE id_session='$id_session' AND course_code='$enreg_course' AND id_user='$existing_user' AND status = 0";
  1444. Database::query($sql);
  1445. if (Database::affected_rows()) {
  1446. $nbr_users--;
  1447. }
  1448. }
  1449. }
  1450. }
  1451. // Replace with this new function
  1452. // insert new users into session_rel_course_rel_user and ignore if they already exist
  1453. foreach ($user_list as $enreg_user) {
  1454. if (!in_array($enreg_user, $existingUsers)) {
  1455. $enreg_user = Database::escape_string($enreg_user);
  1456. $sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, visibility, status)
  1457. VALUES('$id_session','$enreg_course','$enreg_user','$session_visibility', '0')";
  1458. Database::query($sql);
  1459. if (Database::affected_rows()) {
  1460. $nbr_users++;
  1461. }
  1462. }
  1463. }
  1464. // Count users in this session-course relation
  1465. $sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user
  1466. WHERE id_session='$id_session' AND course_code='$enreg_course' AND status<>2";
  1467. $rs = Database::query($sql);
  1468. list($nbr_users) = Database::fetch_array($rs);
  1469. // update the session-course relation to add the users total
  1470. $sql = "UPDATE $tbl_session_rel_course SET nbr_users = $nbr_users
  1471. WHERE id_session='$id_session' AND course_code = '$enreg_course'";
  1472. Database::query($sql);
  1473. }
  1474. // Delete users from the session
  1475. if ($empty_users === true) {
  1476. $sql = "DELETE FROM $tbl_session_rel_user
  1477. WHERE id_session = $id_session AND relation_type<>" . SESSION_RELATION_TYPE_RRHH . "";
  1478. Database::query($sql);
  1479. }
  1480. // Insert missing users into session
  1481. $nbr_users = 0;
  1482. foreach ($user_list as $enreg_user) {
  1483. $enreg_user = Database::escape_string($enreg_user);
  1484. $nbr_users++;
  1485. $sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user)
  1486. VALUES ('$id_session', '$enreg_user')";
  1487. Database::query($sql);
  1488. }
  1489. // update number of users in the session
  1490. $nbr_users = count($user_list);
  1491. if ($empty_users) {
  1492. // update number of users in the session
  1493. $sql = "UPDATE $tbl_session SET nbr_users= $nbr_users
  1494. WHERE id='$id_session' ";
  1495. Database::query($sql);
  1496. } else {
  1497. $sql = "UPDATE $tbl_session SET nbr_users= nbr_users + $nbr_users
  1498. WHERE id='$id_session'";
  1499. Database::query($sql);
  1500. }
  1501. }
  1502. /**
  1503. * Returns user list of the current users subscribed in the course-session
  1504. * @param int $sessionId
  1505. * @param array $courseInfo
  1506. * @param int $status
  1507. *
  1508. * @return array
  1509. */
  1510. public static function getUsersByCourseSession(
  1511. $sessionId,
  1512. $courseInfo,
  1513. $status = null
  1514. ) {
  1515. $sessionId = intval($sessionId);
  1516. $courseCode = $courseInfo['code'];
  1517. if (empty($sessionId) || empty($courseCode)) {
  1518. return array();
  1519. }
  1520. $statusCondition = null;
  1521. if (isset($status) && !is_null($status)) {
  1522. $status = intval($status);
  1523. $statusCondition = " AND status = $status";
  1524. }
  1525. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1526. $sql = "SELECT DISTINCT id_user
  1527. FROM $table
  1528. WHERE
  1529. id_session = '$sessionId' AND
  1530. course_code='$courseCode'
  1531. $statusCondition
  1532. ";
  1533. $result = Database::query($sql);
  1534. $existingUsers = array();
  1535. while ($row = Database::fetch_array($result)) {
  1536. $existingUsers[] = $row['id_user'];
  1537. }
  1538. return $existingUsers;
  1539. }
  1540. /**
  1541. * Remove a list of users from a course-session
  1542. * @param array $userList
  1543. * @param int $sessionId
  1544. * @param array $courseInfo
  1545. * @param int $status
  1546. * @param bool $updateTotal
  1547. * @return bool
  1548. */
  1549. public static function removeUsersFromCourseSession(
  1550. $userList,
  1551. $sessionId,
  1552. $courseInfo,
  1553. $status = null,
  1554. $updateTotal = true
  1555. ) {
  1556. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1557. $tableSessionCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1558. $sessionId = intval($sessionId);
  1559. if ($sessionId == 118 && $courseInfo['code'] == 'C1') {
  1560. var_dump($userList);
  1561. }
  1562. if (empty($sessionId) || empty($userList) || empty($courseInfo)) {
  1563. return false;
  1564. }
  1565. $courseCode = Database::escape_string($courseInfo['code']);
  1566. $statusCondition = null;
  1567. if (isset($status) && !is_null($status)) {
  1568. $status = intval($status);
  1569. $statusCondition = " AND status = $status";
  1570. }
  1571. foreach ($userList as $userId) {
  1572. $userId = intval($userId);
  1573. $sql = "DELETE FROM $table
  1574. WHERE
  1575. id_session='$sessionId' AND
  1576. course_code='$courseCode' AND
  1577. id_user='$userId'
  1578. $statusCondition
  1579. ";
  1580. Database::query($sql);
  1581. }
  1582. if ($updateTotal) {
  1583. // Count users in this session-course relation
  1584. $sql = "SELECT COUNT(id_user) as nbUsers FROM $table
  1585. WHERE
  1586. id_session='$sessionId' AND
  1587. course_code='$courseCode' AND
  1588. status<>2";
  1589. $result = Database::query($sql);
  1590. list($userCount) = Database::fetch_array($result);
  1591. // update the session-course relation to add the users total
  1592. $sql = "UPDATE $tableSessionCourse SET
  1593. nbr_users = $userCount
  1594. WHERE id_session='$sessionId' AND course_code = '$courseCode'";
  1595. Database::query($sql);
  1596. }
  1597. }
  1598. /**
  1599. * Subscribe a user to an specific course inside a session.
  1600. *
  1601. * @param array $user_list
  1602. * @param int $session_id
  1603. * @param string $course_code
  1604. * @param int $session_visibility
  1605. * @param bool $removeUsersNotInList
  1606. * @return bool
  1607. */
  1608. public static function subscribe_users_to_session_course(
  1609. $user_list,
  1610. $session_id,
  1611. $course_code,
  1612. $session_visibility = SESSION_VISIBLE_READ_ONLY,
  1613. $removeUsersNotInList = false
  1614. ) {
  1615. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1616. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1617. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1618. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1619. if (empty($session_id) || empty($course_code)) {
  1620. return false;
  1621. }
  1622. $session_id = intval($session_id);
  1623. $course_code = Database::escape_string($course_code);
  1624. $session_visibility = intval($session_visibility);
  1625. if ($removeUsersNotInList) {
  1626. $courseInfo = api_get_course_info($course_code);
  1627. $currentUsers = self::getUsersByCourseSession($session_id, $courseInfo, 0);
  1628. if (!empty($user_list)) {
  1629. $userToDelete = array_diff($currentUsers, $user_list);
  1630. } else {
  1631. $userToDelete = $currentUsers;
  1632. }
  1633. if (!empty($userToDelete)) {
  1634. self::removeUsersFromCourseSession(
  1635. $userToDelete,
  1636. $session_id,
  1637. $courseInfo,
  1638. 0,
  1639. true
  1640. );
  1641. }
  1642. }
  1643. $nbr_users = 0;
  1644. foreach ($user_list as $enreg_user) {
  1645. $enreg_user = intval($enreg_user);
  1646. // Checking if user exists in session - course - user table.
  1647. $sql = "SELECT count(id_user) as count
  1648. FROM $tbl_session_rel_course_rel_user
  1649. WHERE
  1650. id_session = $session_id AND
  1651. course_code = '$course_code' and
  1652. id_user = $enreg_user ";
  1653. $result = Database::query($sql);
  1654. $count = 0;
  1655. if (Database::num_rows($result) > 0) {
  1656. $row = Database::fetch_array($result, 'ASSOC');
  1657. $count = $row['count'];
  1658. }
  1659. if ($count == 0) {
  1660. $sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user (id_session, course_code, id_user, visibility)
  1661. VALUES ('$session_id','$course_code','$enreg_user','$session_visibility')";
  1662. Database::query($sql);
  1663. if (Database::affected_rows()) {
  1664. $nbr_users++;
  1665. }
  1666. }
  1667. // Checking if user exists in session - user table.
  1668. $sql = "SELECT count(id_user) as count
  1669. FROM $tbl_session_rel_user
  1670. WHERE id_session = $session_id AND id_user = $enreg_user ";
  1671. $result = Database::query($sql);
  1672. $count = 0;
  1673. if (Database::num_rows($result) > 0) {
  1674. $row = Database::fetch_array($result, 'ASSOC');
  1675. $count = $row['count'];
  1676. }
  1677. if (empty($count)) {
  1678. // If user is not registered to a session then add it.
  1679. $sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user)
  1680. VALUES ('$session_id', '$enreg_user')";
  1681. Database::query($sql);
  1682. $sql = "UPDATE $tbl_session SET nbr_users = nbr_users + 1
  1683. WHERE id='$session_id' ";
  1684. Database::query($sql);
  1685. }
  1686. }
  1687. // count users in this session-course relation
  1688. $sql = "SELECT COUNT(id_user) as nbUsers
  1689. FROM $tbl_session_rel_course_rel_user
  1690. WHERE id_session='$session_id' AND course_code='$course_code' AND status<>2";
  1691. $rs = Database::query($sql);
  1692. list($nbr_users) = Database::fetch_array($rs);
  1693. // update the session-course relation to add the users total
  1694. $sql = "UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users
  1695. WHERE id_session='$session_id' AND course_code='$course_code'";
  1696. Database::query($sql);
  1697. }
  1698. /**
  1699. * Unsubscribe user from session
  1700. *
  1701. * @param int Session id
  1702. * @param int User id
  1703. * @return bool True in case of success, false in case of error
  1704. */
  1705. public static function unsubscribe_user_from_session($session_id, $user_id)
  1706. {
  1707. $session_id = (int) $session_id;
  1708. $user_id = (int) $user_id;
  1709. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1710. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1711. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1712. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1713. $delete_sql = "DELETE FROM $tbl_session_rel_user
  1714. WHERE
  1715. id_session = '$session_id' AND
  1716. id_user ='$user_id' AND
  1717. relation_type <> " . SESSION_RELATION_TYPE_RRHH . "";
  1718. Database::query($delete_sql);
  1719. $return = Database::affected_rows();
  1720. // Update number of users
  1721. $sql = "UPDATE $tbl_session
  1722. SET nbr_users = nbr_users - $return
  1723. WHERE id='$session_id' ";
  1724. Database::query($sql);
  1725. // Get the list of courses related to this session
  1726. $course_list = SessionManager::get_course_list_by_session_id($session_id);
  1727. if (!empty($course_list)) {
  1728. foreach ($course_list as $course) {
  1729. $course_code = $course['code'];
  1730. // Delete user from course
  1731. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  1732. WHERE id_session='$session_id' AND course_code='$course_code' AND id_user='$user_id'";
  1733. Database::query($sql);
  1734. if (Database::affected_rows()) {
  1735. // Update number of users in this relation
  1736. $sql = "UPDATE $tbl_session_rel_course SET nbr_users = nbr_users - 1
  1737. WHERE id_session='$session_id' AND course_code='$course_code'";
  1738. Database::query($sql);
  1739. }
  1740. }
  1741. }
  1742. return true;
  1743. }
  1744. /**
  1745. * Subscribes courses to the given session and optionally (default)
  1746. * unsubscribes previous users
  1747. * @author Carlos Vargas from existing code
  1748. * @param int $sessionId
  1749. * @param array $courseList List of courses IDs
  1750. * @param bool $removeExistingCoursesUsers Whether to unsubscribe
  1751. * existing courses and users (true, default) or not (false)
  1752. * @return void Nothing, or false on error
  1753. * */
  1754. public static function add_courses_to_session(
  1755. $sessionId,
  1756. $courseList,
  1757. $removeExistingCoursesWithUsers = true
  1758. ) {
  1759. $sessionId = intval($sessionId);
  1760. if (empty($sessionId) || empty($courseList)) {
  1761. return false;
  1762. }
  1763. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1764. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1765. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1766. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1767. // get list of courses subscribed to this session
  1768. $sql = "SELECT course_code
  1769. FROM $tbl_session_rel_course
  1770. WHERE id_session=$sessionId";
  1771. $rs = Database::query($sql );
  1772. $existingCourses = Database::store_result($rs);
  1773. $nbr_courses = count($existingCourses);
  1774. // get list of users subscribed to this session
  1775. $sql = "SELECT id_user
  1776. FROM $tbl_session_rel_user
  1777. WHERE
  1778. id_session = $sessionId AND
  1779. relation_type<>" . SESSION_RELATION_TYPE_RRHH . "";
  1780. $result = Database::query($sql);
  1781. $user_list = Database::store_result($result);
  1782. // Remove existing courses from the session.
  1783. if ($removeExistingCoursesWithUsers === true) {
  1784. foreach ($existingCourses as $existingCourse) {
  1785. if (!in_array($existingCourse['course_code'], $courseList)) {
  1786. $courseInfo = api_get_course_info($existingCourse['course_code']);
  1787. $sql = "DELETE FROM $tbl_session_rel_course
  1788. WHERE course_code='" . $existingCourse['course_code'] . "' AND id_session=$sessionId";
  1789. Database::query($sql);
  1790. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  1791. WHERE course_code='" . $existingCourse['course_code'] . "' AND id_session=$sessionId";
  1792. Database::query($sql);
  1793. CourseManager::remove_course_ranking(
  1794. $courseInfo['real_id'],
  1795. $sessionId
  1796. );
  1797. $nbr_courses--;
  1798. }
  1799. }
  1800. }
  1801. // Pass through the courses list we want to add to the session
  1802. foreach ($courseList as $enreg_course) {
  1803. $enreg_course = Database::escape_string($enreg_course);
  1804. $exists = false;
  1805. // check if the course we want to add is already subscribed
  1806. foreach ($existingCourses as $existingCourse) {
  1807. if ($enreg_course == $existingCourse['course_code']) {
  1808. $exists = true;
  1809. }
  1810. }
  1811. if (!$exists) {
  1812. //if the course isn't subscribed yet
  1813. $sql = "INSERT INTO $tbl_session_rel_course (id_session, course_code)
  1814. VALUES ('$sessionId','$enreg_course')";
  1815. Database::query($sql);
  1816. //We add the current course in the existing courses array, to avoid adding another time the current course
  1817. $existingCourses[] = array('course_code' => $enreg_course);
  1818. $nbr_courses++;
  1819. // subscribe all the users from the session to this course inside the session
  1820. $nbr_users = 0;
  1821. foreach ($user_list as $enreg_user) {
  1822. $enreg_user_id = Database::escape_string($enreg_user['id_user']);
  1823. $sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user (id_session, course_code, id_user)
  1824. VALUES ('$sessionId','$enreg_course','$enreg_user_id')";
  1825. Database::query($sql);
  1826. if (Database::affected_rows()) {
  1827. $nbr_users++;
  1828. }
  1829. }
  1830. $sql = "UPDATE $tbl_session_rel_course
  1831. SET nbr_users=$nbr_users
  1832. WHERE id_session='$sessionId' AND course_code='$enreg_course'";
  1833. Database::query($sql);
  1834. }
  1835. }
  1836. $sql = "UPDATE $tbl_session
  1837. SET nbr_courses = $nbr_courses
  1838. WHERE id = '$sessionId'";
  1839. Database::query($sql);
  1840. }
  1841. /**
  1842. * Unsubscribe course from a session
  1843. *
  1844. * @param int Session id
  1845. * @param int Course id
  1846. * @return bool True in case of success, false otherwise
  1847. */
  1848. public static function unsubscribe_course_from_session($session_id, $course_id)
  1849. {
  1850. $session_id = (int) $session_id;
  1851. $course_id = (int) $course_id;
  1852. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1853. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1854. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1855. // Get course code
  1856. $course_code = CourseManager::get_course_code_from_course_id($course_id);
  1857. if (empty($course_code)) {
  1858. return false;
  1859. }
  1860. // Unsubscribe course
  1861. $sql = "DELETE FROM $tbl_session_rel_course
  1862. WHERE course_code='$course_code' AND id_session='$session_id'";
  1863. Database::query($sql);
  1864. $nb_affected = Database::affected_rows();
  1865. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  1866. WHERE course_code='$course_code' AND id_session='$session_id'";
  1867. Database::query($sql);
  1868. if ($nb_affected > 0) {
  1869. // Update number of courses in the session
  1870. $sql = "UPDATE $tbl_session SET nbr_courses= nbr_courses + $nb_affected WHERE id='$session_id' ";
  1871. Database::query($sql);
  1872. return true;
  1873. } else {
  1874. return false;
  1875. }
  1876. }
  1877. /**
  1878. * Creates a new extra field for a given session
  1879. * @param string Field's internal variable name
  1880. * @param int Field's type
  1881. * @param string Field's language var name
  1882. * @return int new extra field id
  1883. */
  1884. public static function create_session_extra_field($fieldvarname, $fieldtype, $fieldtitle)
  1885. {
  1886. // database table definition
  1887. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1888. $fieldvarname = Database::escape_string($fieldvarname);
  1889. $fieldtitle = Database::escape_string($fieldtitle);
  1890. $fieldtype = (int) $fieldtype;
  1891. $time = time();
  1892. $sql_field = "SELECT id FROM $t_sf WHERE field_variable = '$fieldvarname'";
  1893. $res_field = Database::query($sql_field);
  1894. $r_field = Database::fetch_row($res_field);
  1895. if (Database::num_rows($res_field) > 0) {
  1896. $field_id = $r_field[0];
  1897. } else {
  1898. // save new fieldlabel into course_field table
  1899. $sql = "SELECT MAX(field_order) FROM $t_sf";
  1900. $res = Database::query($sql);
  1901. $order = 0;
  1902. if (Database::num_rows($res) > 0) {
  1903. $row = Database::fetch_row($res);
  1904. $order = $row[0] + 1;
  1905. }
  1906. $sql = "INSERT INTO $t_sf SET
  1907. field_type = '$fieldtype',
  1908. field_variable = '$fieldvarname',
  1909. field_display_text = '$fieldtitle',
  1910. field_order = '$order',
  1911. tms = FROM_UNIXTIME($time)";
  1912. Database::query($sql);
  1913. $field_id = Database::insert_id();
  1914. }
  1915. return $field_id;
  1916. }
  1917. /**
  1918. * Update an extra field value for a given session
  1919. * @param integer Course ID
  1920. * @param string Field variable name
  1921. * @param string Field value
  1922. * @return boolean true if field updated, false otherwise
  1923. */
  1924. public static function update_session_extra_field_value($session_id, $fname, $fvalue = '')
  1925. {
  1926. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1927. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1928. $fname = Database::escape_string($fname);
  1929. $session_id = (int) $session_id;
  1930. $fvalues = '';
  1931. if (is_array($fvalue)) {
  1932. foreach ($fvalue as $val) {
  1933. $fvalues .= Database::escape_string($val) . ';';
  1934. }
  1935. if (!empty($fvalues)) {
  1936. $fvalues = substr($fvalues, 0, -1);
  1937. }
  1938. } else {
  1939. $fvalues = Database::escape_string($fvalue);
  1940. }
  1941. $sqlsf = "SELECT * FROM $t_sf WHERE field_variable='$fname'";
  1942. $ressf = Database::query($sqlsf);
  1943. if (Database::num_rows($ressf) == 1) {
  1944. //ok, the field exists
  1945. // Check if enumerated field, if the option is available
  1946. $rowsf = Database::fetch_array($ressf);
  1947. $tms = time();
  1948. $sqlsfv = "SELECT * FROM $t_sfv WHERE session_id = '$session_id' AND field_id = '" . $rowsf['id'] . "' ORDER BY id";
  1949. $ressfv = Database::query($sqlsfv);
  1950. $n = Database::num_rows($ressfv);
  1951. if ($n > 1) {
  1952. //problem, we already have to values for this field and user combination - keep last one
  1953. while ($rowsfv = Database::fetch_array($ressfv)) {
  1954. if ($n > 1) {
  1955. $sqld = "DELETE FROM $t_sfv WHERE id = " . $rowsfv['id'];
  1956. $resd = Database::query($sqld);
  1957. $n--;
  1958. }
  1959. $rowsfv = Database::fetch_array($ressfv);
  1960. if ($rowsfv['field_value'] != $fvalues) {
  1961. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = FROM_UNIXTIME($tms) WHERE id = " . $rowsfv['id'];
  1962. $resu = Database::query($sqlu);
  1963. return($resu ? true : false);
  1964. }
  1965. return true;
  1966. }
  1967. } else if ($n == 1) {
  1968. //we need to update the current record
  1969. $rowsfv = Database::fetch_array($ressfv);
  1970. if ($rowsfv['field_value'] != $fvalues) {
  1971. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = FROM_UNIXTIME($tms) WHERE id = " . $rowsfv['id'];
  1972. //error_log('UM::update_extra_field_value: '.$sqlu);
  1973. $resu = Database::query($sqlu);
  1974. return($resu ? true : false);
  1975. }
  1976. return true;
  1977. } else {
  1978. $sqli = "INSERT INTO $t_sfv (session_id,field_id,field_value,tms) " .
  1979. "VALUES ('$session_id'," . $rowsf['id'] . ",'$fvalues',FROM_UNIXTIME($tms))";
  1980. //error_log('UM::update_extra_field_value: '.$sqli);
  1981. $resi = Database::query($sqli);
  1982. return($resi ? true : false);
  1983. }
  1984. } else {
  1985. return false; //field not found
  1986. }
  1987. }
  1988. /**
  1989. * Checks the relationship between a session and a course.
  1990. * @param int $session_id
  1991. * @param string $course_id (course code)
  1992. * @return bool Returns TRUE if the session and the course are related, FALSE otherwise.
  1993. * */
  1994. public static function relation_session_course_exist($session_id, $course_id)
  1995. {
  1996. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1997. $return_value = false;
  1998. $sql = "SELECT course_code FROM $tbl_session_course
  1999. WHERE
  2000. id_session = " . Database::escape_string($session_id) . " AND
  2001. course_code = '" . Database::escape_string($course_id) . "'";
  2002. $result = Database::query($sql);
  2003. $num = Database::num_rows($result);
  2004. if ($num > 0) {
  2005. $return_value = true;
  2006. }
  2007. return $return_value;
  2008. }
  2009. /**
  2010. * Get the session information by name
  2011. * @param string session name
  2012. * @return mixed false if the session does not exist, array if the session exist
  2013. * */
  2014. public static function get_session_by_name($session_name)
  2015. {
  2016. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2017. $session_name = trim($session_name);
  2018. if (empty($session_name)) {
  2019. return false;
  2020. }
  2021. $sql = 'SELECT *
  2022. FROM ' . $tbl_session . '
  2023. WHERE name = "' . Database::escape_string($session_name) . '"';
  2024. $result = Database::query($sql);
  2025. $num = Database::num_rows($result);
  2026. if ($num > 0) {
  2027. return Database::fetch_array($result);
  2028. } else {
  2029. return false;
  2030. }
  2031. }
  2032. /**
  2033. * Create a session category
  2034. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  2035. * @param string name
  2036. * @param integer year_start
  2037. * @param integer month_start
  2038. * @param integer day_start
  2039. * @param integer year_end
  2040. * @param integer month_end
  2041. * @param integer day_end
  2042. * @return $id_session;
  2043. * */
  2044. public static function create_category_session($sname, $syear_start, $smonth_start, $sday_start, $syear_end, $smonth_end, $sday_end)
  2045. {
  2046. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2047. $name = trim($sname);
  2048. $year_start = intval($syear_start);
  2049. $month_start = intval($smonth_start);
  2050. $day_start = intval($sday_start);
  2051. $year_end = intval($syear_end);
  2052. $month_end = intval($smonth_end);
  2053. $day_end = intval($sday_end);
  2054. $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
  2055. $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
  2056. if (empty($name)) {
  2057. $msg = get_lang('SessionCategoryNameIsRequired');
  2058. return $msg;
  2059. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start)) {
  2060. $msg = get_lang('InvalidStartDate');
  2061. return $msg;
  2062. } elseif (!$month_end && !$day_end && !$year_end) {
  2063. $date_end = "null";
  2064. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end)) {
  2065. $msg = get_lang('InvalidEndDate');
  2066. return $msg;
  2067. } elseif ($date_start >= $date_end) {
  2068. $msg = get_lang('StartDateShouldBeBeforeEndDate');
  2069. return $msg;
  2070. }
  2071. $access_url_id = api_get_current_access_url_id();
  2072. $sql = "INSERT INTO $tbl_session_category (name, date_start, date_end, access_url_id)
  2073. VALUES('" . Database::escape_string($name) . "','$date_start','$date_end', '$access_url_id')";
  2074. Database::query($sql);
  2075. $id_session = Database::insert_id();
  2076. // Add event to system log
  2077. $user_id = api_get_user_id();
  2078. event_system(LOG_SESSION_CATEGORY_CREATE, LOG_SESSION_CATEGORY_ID, $id_session, api_get_utc_datetime(), $user_id);
  2079. return $id_session;
  2080. }
  2081. /**
  2082. * Edit a sessions categories
  2083. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>,from existing code
  2084. * @param integer id
  2085. * @param string name
  2086. * @param integer year_start
  2087. * @param integer month_start
  2088. * @param integer day_start
  2089. * @param integer year_end
  2090. * @param integer month_end
  2091. * @param integer day_end
  2092. * @return $id;
  2093. * The parameter id is a primary key
  2094. * */
  2095. public static function edit_category_session($id, $sname, $syear_start, $smonth_start, $sday_start, $syear_end, $smonth_end, $sday_end)
  2096. {
  2097. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2098. $name = trim($sname);
  2099. $year_start = intval($syear_start);
  2100. $month_start = intval($smonth_start);
  2101. $day_start = intval($sday_start);
  2102. $year_end = intval($syear_end);
  2103. $month_end = intval($smonth_end);
  2104. $day_end = intval($sday_end);
  2105. $id = intval($id);
  2106. $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
  2107. $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
  2108. if (empty($name)) {
  2109. $msg = get_lang('SessionCategoryNameIsRequired');
  2110. return $msg;
  2111. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start)) {
  2112. $msg = get_lang('InvalidStartDate');
  2113. return $msg;
  2114. } elseif (!$month_end && !$day_end && !$year_end) {
  2115. $date_end = null;
  2116. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end)) {
  2117. $msg = get_lang('InvalidEndDate');
  2118. return $msg;
  2119. } elseif ($date_start >= $date_end) {
  2120. $msg = get_lang('StartDateShouldBeBeforeEndDate');
  2121. return $msg;
  2122. }
  2123. if ($date_end <> null) {
  2124. $sql = "UPDATE $tbl_session_category SET name = '" . Database::escape_string($name) . "', date_start = '$date_start' " .
  2125. ", date_end = '$date_end' WHERE id= '" . $id . "' ";
  2126. } else {
  2127. $sql = "UPDATE $tbl_session_category SET name = '" . Database::escape_string($name) . "', date_start = '$date_start' " .
  2128. ", date_end = NULL WHERE id= '" . $id . "' ";
  2129. }
  2130. $result = Database::query($sql);
  2131. return ($result ? true : false);
  2132. }
  2133. /**
  2134. * Delete sessions categories
  2135. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  2136. * @param array id_checked
  2137. * @param bool include delete session
  2138. * @param bool optional, true if the function is called by a webservice, false otherwise.
  2139. * @return void Nothing, or false on error
  2140. * The parameters is a array to delete sessions
  2141. * */
  2142. public static function delete_session_category($id_checked, $delete_session = false, $from_ws = false)
  2143. {
  2144. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2145. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2146. if (is_array($id_checked)) {
  2147. $id_checked = Database::escape_string(implode(',', $id_checked));
  2148. } else {
  2149. $id_checked = intval($id_checked);
  2150. }
  2151. //Setting session_category_id to 0
  2152. $sql = "UPDATE $tbl_session SET session_category_id = 0
  2153. WHERE session_category_id IN (" . $id_checked . ")";
  2154. Database::query($sql);
  2155. $sql = "SELECT id FROM $tbl_session WHERE session_category_id IN (" . $id_checked . ")";
  2156. $result = Database::query($sql);
  2157. while ($rows = Database::fetch_array($result)) {
  2158. $session_id = $rows['id'];
  2159. if ($delete_session) {
  2160. if ($from_ws) {
  2161. SessionManager::delete_session($session_id, true);
  2162. } else {
  2163. SessionManager::delete_session($session_id);
  2164. }
  2165. }
  2166. }
  2167. $sql = "DELETE FROM $tbl_session_category WHERE id IN (" . $id_checked . ")";
  2168. Database::query($sql);
  2169. // Add event to system log
  2170. $user_id = api_get_user_id();
  2171. event_system(
  2172. LOG_SESSION_CATEGORY_DELETE,
  2173. LOG_SESSION_CATEGORY_ID,
  2174. $id_checked,
  2175. api_get_utc_datetime(),
  2176. $user_id
  2177. );
  2178. return true;
  2179. }
  2180. /**
  2181. * Get a list of sessions of which the given conditions match with an = 'cond'
  2182. * @param array $conditions a list of condition example :
  2183. * array('status' => STUDENT) or array('s.name LIKE' => "%$needle%")
  2184. * @param array $order_by a list of fields on which sort
  2185. * @return array An array with all sessions of the platform.
  2186. * @todo optional course code parameter, optional sorting parameters...
  2187. */
  2188. public static function get_sessions_list($conditions = array(), $order_by = array())
  2189. {
  2190. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2191. $session_category_table = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2192. $user_table = Database::get_main_table(TABLE_MAIN_USER);
  2193. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2194. $session_course_table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2195. $course_table = Database::get_main_table(TABLE_MAIN_COURSE);
  2196. $access_url_id = api_get_current_access_url_id();
  2197. $return_array = array();
  2198. $sql_query = " SELECT s.id, s.name, s.nbr_courses, s.date_start, s.date_end, u.firstname, u.lastname, sc.name as category_name, s.promotion_id
  2199. FROM $session_table s
  2200. INNER JOIN $user_table u ON s.id_coach = u.user_id
  2201. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  2202. LEFT JOIN $session_category_table sc ON s.session_category_id = sc.id
  2203. LEFT JOIN $session_course_table sco ON (sco.id_session = s.id)
  2204. INNER JOIN $course_table c ON sco.course_code = c.code
  2205. WHERE ar.access_url_id = $access_url_id ";
  2206. if (count($conditions) > 0) {
  2207. foreach ($conditions as $field => $value) {
  2208. $sql_query .= ' AND ';
  2209. $field = Database::escape_string($field);
  2210. $value = Database::escape_string($value);
  2211. $sql_query .= $field . " '" . $value . "'";
  2212. }
  2213. }
  2214. if (count($order_by) > 0) {
  2215. $sql_query .= ' ORDER BY ' . Database::escape_string(implode(',', $order_by));
  2216. }
  2217. $sql_result = Database::query($sql_query);
  2218. if (Database::num_rows($sql_result) > 0) {
  2219. while ($result = Database::fetch_array($sql_result)) {
  2220. $return_array[$result['id']] = $result;
  2221. }
  2222. }
  2223. return $return_array;
  2224. }
  2225. /**
  2226. * Get the session category information by id
  2227. * @param string session category ID
  2228. * @return mixed false if the session category does not exist, array if the session category exists
  2229. */
  2230. public static function get_session_category($id)
  2231. {
  2232. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2233. $id = intval($id);
  2234. $sql = "SELECT id, name, date_start, date_end FROM $tbl_session_category WHERE id= $id";
  2235. $result = Database::query($sql);
  2236. $num = Database::num_rows($result);
  2237. if ($num > 0) {
  2238. return Database::fetch_array($result);
  2239. } else {
  2240. return false;
  2241. }
  2242. }
  2243. /**
  2244. * Get all session categories (filter by access_url_id)
  2245. * @return mixed false if the session category does not exist, array if the session category exists
  2246. */
  2247. public static function get_all_session_category()
  2248. {
  2249. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2250. $id = api_get_current_access_url_id();
  2251. $sql = 'SELECT * FROM ' . $tbl_session_category . ' WHERE access_url_id ="' . $id . '" ORDER BY name ASC';
  2252. $result = Database::query($sql);
  2253. if (Database::num_rows($result) > 0) {
  2254. $data = Database::store_result($result, 'ASSOC');
  2255. return $data;
  2256. } else {
  2257. return false;
  2258. }
  2259. }
  2260. /**
  2261. * Assign a coach to course in session with status = 2
  2262. * @param int - user id
  2263. * @param int - session id
  2264. * @param string - course code
  2265. * @param bool - optional, if is true the user don't be a coach now, otherwise it'll assign a coach
  2266. * @return bool true if there are affected rows, otherwise false
  2267. */
  2268. public static function set_coach_to_course_session(
  2269. $user_id,
  2270. $session_id = 0,
  2271. $course_code = '',
  2272. $nocoach = false
  2273. ) {
  2274. // Definition of variables
  2275. $user_id = intval($user_id);
  2276. if (!empty($session_id)) {
  2277. $session_id = intval($session_id);
  2278. } else {
  2279. $session_id = api_get_session_id();
  2280. }
  2281. if (!empty($course_code)) {
  2282. $course_code = Database::escape_string($course_code);
  2283. } else {
  2284. $course_code = api_get_course_id();
  2285. }
  2286. // Table definition
  2287. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2288. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2289. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2290. // check if user is a teacher
  2291. $sql = "SELECT * FROM $tbl_user WHERE status='1' AND user_id = '$user_id'";
  2292. $rs_check_user = Database::query($sql);
  2293. if (Database::num_rows($rs_check_user) > 0) {
  2294. if ($nocoach) {
  2295. // check if user_id exits int session_rel_user
  2296. $sql = "SELECT id_user FROM $tbl_session_rel_user
  2297. WHERE id_session = '$session_id' AND id_user = '$user_id'";
  2298. $res = Database::query($sql);
  2299. if (Database::num_rows($res) > 0) {
  2300. // The user don't be a coach now
  2301. $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 0
  2302. WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  2303. Database::query($sql);
  2304. if (Database::affected_rows() > 0)
  2305. return true;
  2306. else
  2307. return false;
  2308. } else {
  2309. // The user don't be a coach now
  2310. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  2311. WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  2312. Database::query($sql);
  2313. if (Database::affected_rows() > 0)
  2314. return true;
  2315. else
  2316. return false;
  2317. }
  2318. } else {
  2319. // Assign user like a coach to course
  2320. // First check if the user is registered in the course
  2321. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user
  2322. WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id'";
  2323. $rs_check = Database::query($sql);
  2324. // Then update or insert.
  2325. if (Database::num_rows($rs_check) > 0) {
  2326. $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 2
  2327. WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  2328. Database::query($sql);
  2329. if (Database::affected_rows() > 0) {
  2330. return true;
  2331. } else {
  2332. return false;
  2333. }
  2334. } else {
  2335. $sql = "INSERT INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, status)
  2336. VALUES('$session_id', '$course_code', '$user_id', 2)";
  2337. Database::query($sql);
  2338. if (Database::affected_rows() > 0) {
  2339. return true;
  2340. } else {
  2341. return false;
  2342. }
  2343. }
  2344. }
  2345. } else {
  2346. return false;
  2347. }
  2348. }
  2349. /**
  2350. * Subscribes sessions to human resource manager (Dashboard feature)
  2351. * @param array $userInfo Human Resource Manager info
  2352. * @param array $sessions_list Sessions id
  2353. * @param bool $sendEmail
  2354. * @param bool $removeOldConnections
  2355. * @return int
  2356. * */
  2357. public static function suscribe_sessions_to_hr_manager(
  2358. $userInfo,
  2359. $sessions_list,
  2360. $sendEmail = false,
  2361. $removeOldConnections = true
  2362. ) {
  2363. // Database Table Definitions
  2364. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2365. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2366. if (empty($userInfo)) {
  2367. return 0;
  2368. }
  2369. $userId = $userInfo['user_id'];
  2370. // Only subscribe DRH users.
  2371. if ($userInfo['status'] != DRH) {
  2372. return 0;
  2373. }
  2374. $affected_rows = 0;
  2375. // Deleting assigned sessions to hrm_id.
  2376. if ($removeOldConnections) {
  2377. if (api_is_multiple_url_enabled()) {
  2378. $sql = "SELECT id_session
  2379. FROM $tbl_session_rel_user s
  2380. INNER JOIN $tbl_session_rel_access_url a ON (a.session_id = s.id_session)
  2381. WHERE
  2382. id_user = $userId AND
  2383. relation_type=" . SESSION_RELATION_TYPE_RRHH . " AND
  2384. access_url_id = " . api_get_current_access_url_id() . "";
  2385. } else {
  2386. $sql = "SELECT id_session FROM $tbl_session_rel_user s
  2387. WHERE id_user = $userId AND relation_type=" . SESSION_RELATION_TYPE_RRHH . "";
  2388. }
  2389. $result = Database::query($sql);
  2390. if (Database::num_rows($result) > 0) {
  2391. while ($row = Database::fetch_array($result)) {
  2392. $sql = "DELETE FROM $tbl_session_rel_user
  2393. WHERE
  2394. id_session = {$row['id_session']} AND
  2395. id_user = $userId AND
  2396. relation_type=" . SESSION_RELATION_TYPE_RRHH . " ";
  2397. Database::query($sql);
  2398. }
  2399. }
  2400. }
  2401. // Inserting new sessions list.
  2402. if (!empty($sessions_list) && is_array($sessions_list)) {
  2403. foreach ($sessions_list as $session_id) {
  2404. $session_id = intval($session_id);
  2405. $sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user, relation_type)
  2406. VALUES ($session_id, $userId, '" . SESSION_RELATION_TYPE_RRHH . "')";
  2407. Database::query($sql);
  2408. $affected_rows++;
  2409. }
  2410. }
  2411. return $affected_rows;
  2412. }
  2413. /**
  2414. * @param int $sessionId
  2415. * @return array
  2416. */
  2417. public static function getDrhUsersInSession($sessionId)
  2418. {
  2419. return self::get_users_by_session($sessionId, SESSION_RELATION_TYPE_RRHH);
  2420. }
  2421. /**
  2422. * @param int $userId
  2423. * @param int $sessionId
  2424. * @return array
  2425. */
  2426. public static function getSessionFollowedByDrh($userId, $sessionId)
  2427. {
  2428. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2429. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2430. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2431. $userId = intval($userId);
  2432. $sessionId = intval($sessionId);
  2433. $select = " SELECT * ";
  2434. if (api_is_multiple_url_enabled()) {
  2435. $sql = " $select FROM $tbl_session s
  2436. INNER JOIN $tbl_session_rel_user sru ON (sru.id_session = s.id)
  2437. LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
  2438. WHERE
  2439. sru.id_user = '$userId' AND
  2440. sru.id_session = '$sessionId' AND
  2441. sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "' AND
  2442. access_url_id = " . api_get_current_access_url_id() . "
  2443. ";
  2444. } else {
  2445. $sql = "$select FROM $tbl_session s
  2446. INNER JOIN $tbl_session_rel_user sru
  2447. ON
  2448. sru.id_session = s.id AND
  2449. sru.id_user = '$userId' AND
  2450. sru.id_session = '$sessionId' AND
  2451. sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "'
  2452. ";
  2453. }
  2454. $result = Database::query($sql);
  2455. if (Database::num_rows($result)) {
  2456. $row = Database::fetch_array($result, 'ASSOC');
  2457. $row['course_list'] = self::get_course_list_by_session_id($sessionId);
  2458. return $row;
  2459. }
  2460. return array();
  2461. }
  2462. /**
  2463. * Get sessions followed by human resources manager
  2464. * @param int $userId
  2465. * @param int $start
  2466. * @param int $limit
  2467. * @param bool $getCount
  2468. * @param bool $getOnlySessionId
  2469. * @param bool $getSql
  2470. * @param string $orderCondition
  2471. * @return array sessions
  2472. */
  2473. public static function get_sessions_followed_by_drh(
  2474. $userId,
  2475. $start = null,
  2476. $limit = null,
  2477. $getCount = false,
  2478. $getOnlySessionId = false,
  2479. $getSql = false,
  2480. $orderCondition = null,
  2481. $keyword = null
  2482. ) {
  2483. return self::getSessionsFollowedByUser(
  2484. $userId,
  2485. DRH,
  2486. $start,
  2487. $limit,
  2488. $getCount,
  2489. $getOnlySessionId,
  2490. $getSql,
  2491. $orderCondition,
  2492. $keyword
  2493. );
  2494. }
  2495. /**
  2496. * Get sessions followed by human resources manager
  2497. * @param int $userId
  2498. * @param int $start
  2499. * @param int $limit
  2500. * @param bool $getCount
  2501. * @param bool $getOnlySessionId
  2502. * @param bool $getSql
  2503. * @param string $orderCondition
  2504. * @param string $keyword
  2505. * @return array sessions
  2506. */
  2507. public static function getSessionsFollowedByUser(
  2508. $userId,
  2509. $status = null,
  2510. $start = null,
  2511. $limit = null,
  2512. $getCount = false,
  2513. $getOnlySessionId = false,
  2514. $getSql = false,
  2515. $orderCondition = null,
  2516. $keyword = null
  2517. ) {
  2518. // Database Table Definitions
  2519. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2520. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2521. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2522. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2523. $userId = intval($userId);
  2524. $select = " SELECT DISTINCT * ";
  2525. if ($getCount) {
  2526. $select = " SELECT count(DISTINCT(s.id)) as count ";
  2527. }
  2528. if ($getOnlySessionId) {
  2529. $select = " SELECT DISTINCT(s.id) ";
  2530. }
  2531. $limitCondition = null;
  2532. if (!empty($start) && !empty($limit)) {
  2533. $limitCondition = " LIMIT " . intval($start) . ", " . intval($limit);
  2534. }
  2535. if (empty($orderCondition)) {
  2536. $orderCondition = " ORDER BY s.name ";
  2537. }
  2538. $whereConditions = null;
  2539. $sessionCourseConditions = null;
  2540. $sessionConditions = null;
  2541. $sessionQuery = null;
  2542. $courseSessionQuery = null;
  2543. switch ($status) {
  2544. case DRH:
  2545. $sessionQuery = "SELECT sru.id_session
  2546. FROM
  2547. $tbl_session_rel_user sru
  2548. WHERE
  2549. sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' AND
  2550. sru.id_user = $userId";
  2551. break;
  2552. case COURSEMANAGER:
  2553. $courseSessionQuery = "
  2554. SELECT scu.id_session as id
  2555. FROM $tbl_session_rel_course_rel_user scu
  2556. WHERE (scu.status = 2 AND scu.id_user = $userId)";
  2557. $whereConditions = " OR (s.id_coach = $userId) ";
  2558. break;
  2559. default:
  2560. $sessionQuery = "SELECT sru.id_session
  2561. FROM
  2562. $tbl_session_rel_user sru
  2563. WHERE
  2564. sru.id_user = $userId";
  2565. break;
  2566. }
  2567. $keywordCondition = null;
  2568. if (!empty($keyword)) {
  2569. $keyword = Database::escape_string($keyword);
  2570. $keywordCondition = " AND (s.name LIKE '%$keyword%' ) ";
  2571. }
  2572. $whereConditions .= $keywordCondition;
  2573. $subQuery = $sessionQuery.$courseSessionQuery;
  2574. $sql = " $select FROM $tbl_session s
  2575. INNER JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
  2576. WHERE
  2577. access_url_id = ".api_get_current_access_url_id()." AND
  2578. s.id IN (
  2579. $subQuery
  2580. )
  2581. $whereConditions
  2582. $orderCondition
  2583. $limitCondition";
  2584. if ($getSql) {
  2585. return $sql;
  2586. }
  2587. $result = Database::query($sql);
  2588. if ($getCount) {
  2589. $row = Database::fetch_array($result);
  2590. return $row['count'];
  2591. }
  2592. $sessions = array();
  2593. if (Database::num_rows($result) > 0) {
  2594. while ($row = Database::fetch_array($result)) {
  2595. $sessions[$row['id']] = $row;
  2596. }
  2597. }
  2598. return $sessions;
  2599. }
  2600. /**
  2601. * Gets the list of courses by session filtered by access_url
  2602. * @param int $session_id
  2603. * @param string $course_name
  2604. * @return array list of courses
  2605. */
  2606. public static function get_course_list_by_session_id(
  2607. $session_id,
  2608. $course_name = '',
  2609. $orderBy = null
  2610. ) {
  2611. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2612. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2613. $session_id = intval($session_id);
  2614. // select the courses
  2615. $sql = "SELECT * FROM $tbl_course c
  2616. INNER JOIN $tbl_session_rel_course src ON c.code = src.course_code
  2617. WHERE src.id_session = '$session_id' ";
  2618. if (!empty($course_name)) {
  2619. $course_name = Database::escape_string($course_name);
  2620. $sql .= " AND c.title LIKE '%$course_name%' ";
  2621. }
  2622. if (!empty($orderBy)) {
  2623. $orderBy = Database::escape_string($orderBy);
  2624. $orderBy = " ORDER BY $orderBy";
  2625. } else {
  2626. if (SessionManager::orderCourseIsEnabled()) {
  2627. $orderBy .= " ORDER BY position ";
  2628. } else {
  2629. $orderBy .= " ORDER BY title ";
  2630. }
  2631. }
  2632. $sql .= Database::escape_string($orderBy);
  2633. $result = Database::query($sql);
  2634. $num_rows = Database::num_rows($result);
  2635. $courses = array();
  2636. if ($num_rows > 0) {
  2637. while ($row = Database::fetch_array($result,'ASSOC')) {
  2638. $courses[$row['id']] = $row;
  2639. }
  2640. }
  2641. return $courses;
  2642. }
  2643. /**
  2644. * Gets the list of courses by session filtered by access_url
  2645. *
  2646. * @param $userId
  2647. * @param $sessionId
  2648. * @param null $from
  2649. * @param null $limit
  2650. * @param null $column
  2651. * @param null $direction
  2652. * @param bool $getCount
  2653. * @return array
  2654. */
  2655. public static function getAllCoursesFollowedByUser(
  2656. $userId,
  2657. $sessionId,
  2658. $from = null,
  2659. $limit = null,
  2660. $column = null,
  2661. $direction = null,
  2662. $getCount = false,
  2663. $keyword = null
  2664. ) {
  2665. if (empty($sessionId)) {
  2666. $sessionsSQL = SessionManager::get_sessions_followed_by_drh(
  2667. $userId,
  2668. null,
  2669. null,
  2670. null,
  2671. true,
  2672. true
  2673. );
  2674. } else {
  2675. $sessionsSQL = intval($sessionId);
  2676. }
  2677. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2678. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2679. if ($getCount) {
  2680. $select = "SELECT COUNT(DISTINCT(c.code)) as count ";
  2681. } else {
  2682. $select = "SELECT DISTINCT c.* ";
  2683. }
  2684. $keywordCondition = null;
  2685. if (!empty($keyword)) {
  2686. $keyword = Database::escape_string($keyword);
  2687. $keywordCondition = " AND (c.code LIKE '%$keyword%' OR c.title LIKE '%$keyword%' ) ";
  2688. }
  2689. // Select the courses
  2690. $sql = "$select
  2691. FROM $tbl_course c
  2692. INNER JOIN $tbl_session_rel_course src
  2693. ON c.code = src.course_code
  2694. WHERE
  2695. src.id_session IN ($sessionsSQL)
  2696. $keywordCondition
  2697. ";
  2698. if ($getCount) {
  2699. $result = Database::query($sql);
  2700. $row = Database::fetch_array($result,'ASSOC');
  2701. return $row['count'];
  2702. }
  2703. if (isset($from) && isset($limit)) {
  2704. $from = intval($from);
  2705. $limit = intval($limit);
  2706. $sql .= " LIMIT $from, $limit";
  2707. }
  2708. $result = Database::query($sql);
  2709. $num_rows = Database::num_rows($result);
  2710. $courses = array();
  2711. if ($num_rows > 0) {
  2712. while ($row = Database::fetch_array($result,'ASSOC')) {
  2713. $courses[$row['id']] = $row;
  2714. }
  2715. }
  2716. return $courses;
  2717. }
  2718. /**
  2719. * Gets the list of courses by session filtered by access_url
  2720. * @param int session id
  2721. * @param string course_name
  2722. * @return array list of courses
  2723. */
  2724. public static function get_course_list_by_session_id_like($session_id, $course_name = '')
  2725. {
  2726. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2727. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2728. $session_id = intval($session_id);
  2729. $course_name = Database::escape_string($course_name);
  2730. // select the courses
  2731. $sql = "SELECT * FROM $tbl_course c
  2732. INNER JOIN $tbl_session_rel_course src
  2733. ON c.code = src.course_code
  2734. WHERE src.id_session LIKE '$session_id'";
  2735. if (!empty($course_name)) {
  2736. $sql .= " AND UPPER(c.title) LIKE UPPER('%$course_name%') ";
  2737. }
  2738. $sql .= "ORDER BY title;";
  2739. $result = Database::query($sql);
  2740. $num_rows = Database::num_rows($result);
  2741. $courses = array();
  2742. if ($num_rows > 0) {
  2743. while ($row = Database::fetch_array($result, 'ASSOC')) {
  2744. $courses[$row['id']] = $row;
  2745. }
  2746. }
  2747. return $courses;
  2748. }
  2749. /**
  2750. * Gets the count of courses by session filtered by access_url
  2751. * @param int session id
  2752. * @return array list of courses
  2753. */
  2754. public static function getCourseCountBySessionId($session_id, $keyword = null)
  2755. {
  2756. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2757. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2758. $session_id = intval($session_id);
  2759. // select the courses
  2760. $sql = "SELECT COUNT(c.code) count
  2761. FROM $tbl_course c
  2762. INNER JOIN $tbl_session_rel_course src
  2763. ON c.code = src.course_code
  2764. WHERE src.id_session = '$session_id' ";
  2765. $keywordCondition = null;
  2766. if (!empty($keyword)) {
  2767. $keyword = Database::escape_string($keyword);
  2768. $keywordCondition = " AND (c.code LIKE '%$keyword%' OR c.title LIKE '%$keyword%' ) ";
  2769. }
  2770. $sql .= $keywordCondition;
  2771. $result = Database::query($sql);
  2772. $num_rows = Database::num_rows($result);
  2773. if ($num_rows > 0) {
  2774. $row = Database::fetch_array($result,'ASSOC');
  2775. return $row['count'];
  2776. }
  2777. return null;
  2778. }
  2779. /**
  2780. * Get the session id based on the original id and field name in the extra fields.
  2781. * Returns 0 if session was not found
  2782. *
  2783. * @param string $original_session_id_value Original session id
  2784. * @param string $original_session_id_name Original field name
  2785. * @return int Session id
  2786. */
  2787. public static function get_session_id_from_original_id($original_session_id_value, $original_session_id_name)
  2788. {
  2789. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  2790. $table_field = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  2791. $original_session_id_value = Database::escape_string($original_session_id_value);
  2792. $original_session_id_name = Database::escape_string($original_session_id_name);
  2793. $sql = "SELECT session_id
  2794. FROM $table_field sf INNER JOIN $t_sfv sfv ON sfv.field_id=sf.id
  2795. WHERE
  2796. field_variable='$original_session_id_name' AND
  2797. field_value='$original_session_id_value'";
  2798. $res_session = Database::query($sql);
  2799. $row = Database::fetch_object($res_session);
  2800. if ($row) {
  2801. return $row->session_id;
  2802. } else {
  2803. return 0;
  2804. }
  2805. }
  2806. /**
  2807. * Get users by session
  2808. * @param int $id session id
  2809. * @param int $status filter by status coach = 2
  2810. * @return array a list with an user list
  2811. */
  2812. public static function get_users_by_session($id, $status = null)
  2813. {
  2814. if (empty($id)) {
  2815. return array();
  2816. }
  2817. $id = intval($id);
  2818. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2819. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2820. $table_access_url_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  2821. $sql = "SELECT u.user_id, lastname, firstname, username, relation_type, access_url_id
  2822. FROM $tbl_user u
  2823. INNER JOIN $tbl_session_rel_user
  2824. ON u.user_id = $tbl_session_rel_user.id_user AND
  2825. $tbl_session_rel_user.id_session = $id
  2826. LEFT OUTER JOIN $table_access_url_user uu ON (uu.user_id = u.user_id)
  2827. ";
  2828. $urlId = api_get_current_access_url_id();
  2829. if (isset($status) && $status != '') {
  2830. $status = intval($status);
  2831. $sql .= " WHERE relation_type = $status (access_url_id = $urlId OR access_url_id is null )";
  2832. } else {
  2833. $sql .= " WHERE (access_url_id = $urlId OR access_url_id is null )";
  2834. }
  2835. $sql .= " ORDER BY relation_type, ";
  2836. $sql .= api_sort_by_first_name() ? ' firstname, lastname' : ' lastname, firstname';
  2837. $result = Database::query($sql);
  2838. $return_array = array();
  2839. while ($row = Database::fetch_array($result, 'ASSOC')) {
  2840. $return_array[] = $row;
  2841. }
  2842. return $return_array;
  2843. }
  2844. /**
  2845. * The general coach (field: session.id_coach)
  2846. * @param int $user_id user id
  2847. * @return array
  2848. */
  2849. public static function get_sessions_by_general_coach($user_id)
  2850. {
  2851. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2852. $user_id = intval($user_id);
  2853. // Session where we are general coach
  2854. $sql = "SELECT DISTINCT *
  2855. FROM $session_table
  2856. WHERE id_coach = $user_id";
  2857. if (api_is_multiple_url_enabled()) {
  2858. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2859. $access_url_id = api_get_current_access_url_id();
  2860. if ($access_url_id != -1) {
  2861. $sql = 'SELECT DISTINCT session.*
  2862. FROM ' . $session_table . ' session INNER JOIN ' . $tbl_session_rel_access_url . ' session_rel_url
  2863. ON (session.id = session_rel_url.session_id)
  2864. WHERE id_coach = ' . $user_id . ' AND access_url_id = ' . $access_url_id;
  2865. }
  2866. }
  2867. $sql .= ' ORDER by name';
  2868. $result = Database::query($sql);
  2869. return Database::store_result($result, 'ASSOC');
  2870. }
  2871. /**
  2872. * @param int $user_id
  2873. * @return array
  2874. */
  2875. public static function get_sessions_by_coach($user_id)
  2876. {
  2877. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2878. return Database::select('*', $session_table, array('where' => array('id_coach = ?' => $user_id)));
  2879. }
  2880. /**
  2881. * @param int $user_id
  2882. * @param string $course_code
  2883. * @param int $session_id
  2884. * @return array|bool
  2885. */
  2886. public static function get_user_status_in_course_session($user_id, $course_code, $session_id)
  2887. {
  2888. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2889. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2890. $sql = "SELECT session_rcru.status
  2891. FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2892. WHERE session_rcru.id_user = user.user_id AND
  2893. session_rcru.id_session = '" . intval($session_id) . "' AND
  2894. session_rcru.course_code ='" . Database::escape_string($course_code) . "' AND
  2895. user.user_id = " . intval($user_id);
  2896. $result = Database::query($sql);
  2897. $status = false;
  2898. if (Database::num_rows($result)) {
  2899. $status = Database::fetch_row($result);
  2900. $status = $status['0'];
  2901. }
  2902. return $status;
  2903. }
  2904. /**
  2905. * Gets user status within a session
  2906. * @param $user_id
  2907. * @param $course_code
  2908. * @param $session_id
  2909. * @return int
  2910. * @assert (null,null,null) === false
  2911. */
  2912. public static function get_user_status_in_session($user_id, $course_code, $session_id)
  2913. {
  2914. if (empty($user_id) or empty($course_code) or empty($session_id)) {
  2915. return false;
  2916. }
  2917. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2918. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2919. $sql = "SELECT session_rcru.status
  2920. FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2921. WHERE session_rcru.id_user = user.user_id AND
  2922. session_rcru.id_session = '" . intval($session_id) . "' AND
  2923. session_rcru.course_code ='" . Database::escape_string($course_code) . "' AND
  2924. user.user_id = " . intval($user_id);
  2925. $result = Database::query($sql);
  2926. $status = false;
  2927. if (Database::num_rows($result)) {
  2928. $status = Database::fetch_row($result);
  2929. $status = $status['0'];
  2930. }
  2931. return $status;
  2932. }
  2933. /**
  2934. * @param int $id
  2935. * @return array
  2936. */
  2937. public static function get_all_sessions_by_promotion($id)
  2938. {
  2939. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  2940. return Database::select('*', $t, array('where' => array('promotion_id = ?' => $id)));
  2941. }
  2942. /**
  2943. * @param int $promotion_id
  2944. * @param array $list
  2945. */
  2946. public static function suscribe_sessions_to_promotion($promotion_id, $list)
  2947. {
  2948. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  2949. $params = array();
  2950. $params['promotion_id'] = 0;
  2951. Database::update($t, $params, array('promotion_id = ?' => $promotion_id));
  2952. $params['promotion_id'] = $promotion_id;
  2953. if (!empty($list)) {
  2954. foreach ($list as $session_id) {
  2955. $session_id = intval($session_id);
  2956. Database::update($t, $params, array('id = ?' => $session_id));
  2957. }
  2958. }
  2959. }
  2960. /**
  2961. * Updates a session status
  2962. * @param int session id
  2963. * @param int status
  2964. */
  2965. public static function set_session_status($session_id, $status)
  2966. {
  2967. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  2968. $params['visibility'] = $status;
  2969. Database::update($t, $params, array('id = ?' => $session_id));
  2970. }
  2971. /**
  2972. * Copies a session with the same data to a new session.
  2973. * The new copy is not assigned to the same promotion. @see suscribe_sessions_to_promotions() for that
  2974. * @param int Session ID
  2975. * @param bool Whether to copy the relationship with courses
  2976. * @param bool Whether to copy the relationship with users
  2977. * @param bool New courses will be created
  2978. * @return int The new session ID on success, 0 otherwise
  2979. * @todo make sure the extra session fields are copied too
  2980. */
  2981. public static function copy_session($id, $copy_courses = true, $copy_users = true, $create_new_courses = false, $set_exercises_lp_invisible = false)
  2982. {
  2983. $id = intval($id);
  2984. $s = self::fetch($id);
  2985. $s['year_start'] = substr($s['date_start'], 0, 4);
  2986. $s['month_start'] = substr($s['date_start'], 5, 2);
  2987. $s['day_start'] = substr($s['date_start'], 8, 2);
  2988. $s['year_end'] = substr($s['date_end'], 0, 4);
  2989. $s['month_end'] = substr($s['date_end'], 5, 2);
  2990. $s['day_end'] = substr($s['date_end'], 8, 2);
  2991. $consider_start = true;
  2992. if ($s['year_start'] . '-' . $s['month_start'] . '-' . $s['day_start'] == '0000-00-00') {
  2993. $consider_start = false;
  2994. }
  2995. $consider_end = true;
  2996. if ($s['year_end'] . '-' . $s['month_end'] . '-' . $s['day_end'] == '0000-00-00') {
  2997. $consider_end = false;
  2998. }
  2999. $sid = self::create_session(
  3000. $s['name'] . ' ' . get_lang('CopyLabelSuffix'),
  3001. $s['year_start'],
  3002. $s['month_start'],
  3003. $s['day_start'],
  3004. $s['year_end'],
  3005. $s['month_end'],
  3006. $s['day_end'],
  3007. $s['nb_days_acess_before_beginning'],
  3008. $s['nb_days_acess_after_end'],
  3009. false,
  3010. (int)$s['id_coach'],
  3011. $s['session_category_id'],
  3012. (int)$s['visibility'],
  3013. $consider_start,
  3014. $consider_end,
  3015. true
  3016. );
  3017. if (!is_numeric($sid) || empty($sid)) {
  3018. return false;
  3019. }
  3020. if ($copy_courses) {
  3021. // Register courses from the original session to the new session
  3022. $courses = self::get_course_list_by_session_id($id);
  3023. $short_courses = $new_short_courses = array();
  3024. if (is_array($courses) && count($courses) > 0) {
  3025. foreach ($courses as $course) {
  3026. $short_courses[] = $course;
  3027. }
  3028. }
  3029. $courses = null;
  3030. //We will copy the current courses of the session to new courses
  3031. if (!empty($short_courses)) {
  3032. if ($create_new_courses) {
  3033. //Just in case
  3034. if (function_exists('ini_set')) {
  3035. api_set_memory_limit('256M');
  3036. ini_set('max_execution_time', 0);
  3037. }
  3038. $params = array();
  3039. $params['skip_lp_dates'] = true;
  3040. foreach ($short_courses as $course_data) {
  3041. $course_info = CourseManager::copy_course_simple($course_data['title'] . ' ' . get_lang('CopyLabelSuffix'), $course_data['course_code'], $id, $sid, $params);
  3042. if ($course_info) {
  3043. //By default new elements are invisible
  3044. if ($set_exercises_lp_invisible) {
  3045. require_once api_get_path(SYS_CODE_PATH) . 'newscorm/learnpathList.class.php';
  3046. $list = new LearnpathList('', $course_info['code'], $sid);
  3047. $flat_list = $list->get_flat_list();
  3048. if (!empty($flat_list)) {
  3049. foreach ($flat_list as $lp_id => $data) {
  3050. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0, 0, 0, 0, $sid);
  3051. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0, 0, 0, 0);
  3052. }
  3053. }
  3054. $quiz_table = Database::get_course_table(TABLE_QUIZ_TEST);
  3055. $course_id = $course_info['real_id'];
  3056. //@todo check this query
  3057. $sql = "UPDATE $quiz_table SET active = 0 WHERE c_id = $course_id ";
  3058. $result = Database::query($sql);
  3059. }
  3060. $new_short_courses[] = $course_info['code'];
  3061. }
  3062. }
  3063. } else {
  3064. foreach ($short_courses as $course_data) {
  3065. $new_short_courses[] = $course_data['code'];
  3066. }
  3067. }
  3068. $short_courses = $new_short_courses;
  3069. self::add_courses_to_session($sid, $short_courses, true);
  3070. $short_courses = null;
  3071. }
  3072. }
  3073. if ($copy_users) {
  3074. // Register users from the original session to the new session
  3075. $users = self::get_users_by_session($id);
  3076. $short_users = array();
  3077. if (is_array($users) && count($users) > 0) {
  3078. foreach ($users as $user) {
  3079. $short_users[] = $user['user_id'];
  3080. }
  3081. }
  3082. $users = null;
  3083. //Subscribing in read only mode
  3084. self::suscribe_users_to_session($sid, $short_users, SESSION_VISIBLE_READ_ONLY, true, false);
  3085. $short_users = null;
  3086. }
  3087. return $sid;
  3088. }
  3089. /**
  3090. * @param int $user_id
  3091. * @param int $session_id
  3092. * @return bool
  3093. */
  3094. static function user_is_general_coach($user_id, $session_id)
  3095. {
  3096. $session_id = intval($session_id);
  3097. $user_id = intval($user_id);
  3098. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  3099. $sql = "SELECT DISTINCT id
  3100. FROM $session_table
  3101. WHERE session.id_coach = '" . $user_id . "' AND id = '$session_id'";
  3102. $result = Database::query($sql);
  3103. if ($result && Database::num_rows($result)) {
  3104. return true;
  3105. }
  3106. return false;
  3107. }
  3108. /**
  3109. * Get the number of sessions
  3110. * @param int ID of the URL we want to filter on (optional)
  3111. * @return int Number of sessions
  3112. */
  3113. public static function count_sessions($access_url_id = null)
  3114. {
  3115. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  3116. $access_url_rel_session_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  3117. $sql = "SELECT count(id) FROM $session_table s";
  3118. if (!empty($access_url_id) && $access_url_id == intval($access_url_id)) {
  3119. $sql .= ", $access_url_rel_session_table u " .
  3120. " WHERE s.id = u.session_id AND u.access_url_id = $access_url_id";
  3121. }
  3122. $res = Database::query($sql);
  3123. $row = Database::fetch_row($res);
  3124. return $row[0];
  3125. }
  3126. /**
  3127. * Protect a session to be edited.
  3128. * @param int $id
  3129. */
  3130. static function protect_session_edit($id)
  3131. {
  3132. api_protect_admin_script(true);
  3133. $session_info = self::fetch($id);
  3134. if (empty($session_info)) {
  3135. api_not_allowed(true);
  3136. }
  3137. if (!api_is_platform_admin() &&
  3138. api_get_setting('allow_session_admins_to_manage_all_sessions') != 'true'
  3139. ) {
  3140. if ($session_info['session_admin_id'] != api_get_user_id()) {
  3141. api_not_allowed(true);
  3142. }
  3143. }
  3144. }
  3145. /**
  3146. * @param $id
  3147. * @return bool
  3148. */
  3149. static function protect_teacher_session_edit($id)
  3150. {
  3151. if (!api_is_coach($id) && !api_is_platform_admin()) {
  3152. api_not_allowed(true);
  3153. } else {
  3154. return true;
  3155. }
  3156. }
  3157. /**
  3158. * @param string $course_code
  3159. * @return array
  3160. */
  3161. public static function get_session_by_course($course_code)
  3162. {
  3163. $table_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  3164. $table_session = Database::get_main_table(TABLE_MAIN_SESSION);
  3165. $course_code = Database::escape_string($course_code);
  3166. $sql = "SELECT name, s.id
  3167. FROM $table_session_course sc INNER JOIN $table_session s ON (sc.id_session = s.id)
  3168. WHERE sc.course_code = '$course_code' ";
  3169. $result = Database::query($sql);
  3170. return Database::store_result($result);
  3171. }
  3172. /**
  3173. * @param int $user_id
  3174. * @param bool $ignore_visibility_for_admins
  3175. * @return array
  3176. */
  3177. public static function get_sessions_by_user($user_id, $ignore_visibility_for_admins = false)
  3178. {
  3179. $session_categories = UserManager::get_sessions_by_category(
  3180. $user_id,
  3181. false,
  3182. $ignore_visibility_for_admins
  3183. );
  3184. $session_array = array();
  3185. if (!empty($session_categories)) {
  3186. foreach ($session_categories as $category) {
  3187. if (isset($category['sessions'])) {
  3188. foreach ($category['sessions'] as $session) {
  3189. $session_array[] = $session;
  3190. }
  3191. }
  3192. }
  3193. }
  3194. return $session_array;
  3195. }
  3196. /**
  3197. * @param string $file
  3198. * @param bool $updateSession options:
  3199. * true: if the session exists it will be updated.
  3200. * false: if session exists a new session will be created adding a counter session1, session2, etc
  3201. * @param int $defaultUserId
  3202. * @param mixed $logger
  3203. * @param array $extraFields convert a file row to an extra field. Example in CSV file there's a SessionID then it will
  3204. * converted to extra_external_session_id if you set this: array('SessionId' => 'extra_external_session_id')
  3205. * @param string $extraFieldId
  3206. * @param int $daysCoachAccessBeforeBeginning
  3207. * @param int $daysCoachAccessAfterBeginning
  3208. * @param int $sessionVisibility
  3209. * @param array $fieldsToAvoidUpdate
  3210. * @param bool $deleteUsersNotInList
  3211. * @param bool $updateCourseCoaches
  3212. * @param bool $sessionWithCoursesModifier
  3213. * @return array
  3214. */
  3215. static function importCSV(
  3216. $file,
  3217. $updateSession,
  3218. $defaultUserId = null,
  3219. $logger = null,
  3220. $extraFields = array(),
  3221. $extraFieldId = null,
  3222. $daysCoachAccessBeforeBeginning = null,
  3223. $daysCoachAccessAfterBeginning = null,
  3224. $sessionVisibility = 1,
  3225. $fieldsToAvoidUpdate = array(),
  3226. $deleteUsersNotInList = false,
  3227. $updateCourseCoaches = false,
  3228. $sessionWithCoursesModifier = false,
  3229. $addOriginalCourseTeachersAsCourseSessionCoaches = true,
  3230. $removeAllTeachersFromCourse = true
  3231. ) {
  3232. $content = file($file);
  3233. $error_message = null;
  3234. $session_counter = 0;
  3235. if (empty($defaultUserId)) {
  3236. $defaultUserId = api_get_user_id();
  3237. }
  3238. $eol = PHP_EOL;
  3239. if (PHP_SAPI != 'cli') {
  3240. $eol = '<br />';
  3241. }
  3242. $debug = false;
  3243. if (isset($logger)) {
  3244. $debug = true;
  3245. }
  3246. $extraParameters = null;
  3247. if (!empty($daysCoachAccessBeforeBeginning) && !empty($daysCoachAccessAfterBeginning)) {
  3248. $extraParameters .= ' , nb_days_access_before_beginning = '.intval($daysCoachAccessBeforeBeginning);
  3249. $extraParameters .= ' , nb_days_access_after_end = '.intval($daysCoachAccessAfterBeginning);
  3250. }
  3251. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  3252. $tbl_session_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  3253. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  3254. $tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3255. $sessions = array();
  3256. if (!api_strstr($content[0], ';')) {
  3257. $error_message = get_lang('NotCSV');
  3258. } else {
  3259. $tag_names = array();
  3260. foreach ($content as $key => $enreg) {
  3261. $enreg = explode(';', trim($enreg));
  3262. if ($key) {
  3263. foreach ($tag_names as $tag_key => $tag_name) {
  3264. $sessions[$key - 1][$tag_name] = $enreg[$tag_key];
  3265. }
  3266. } else {
  3267. foreach ($enreg as $tag_name) {
  3268. $tag_names[] = api_preg_replace('/[^a-zA-Z0-9_\-]/', '', $tag_name);
  3269. }
  3270. if (!in_array('SessionName', $tag_names) ||
  3271. !in_array('DateStart', $tag_names) ||
  3272. !in_array('DateEnd', $tag_names)
  3273. ) {
  3274. $error_message = get_lang('NoNeededData');
  3275. break;
  3276. }
  3277. }
  3278. }
  3279. $sessionList = array();
  3280. // Looping the sessions.
  3281. foreach ($sessions as $enreg) {
  3282. $user_counter = 0;
  3283. $course_counter = 0;
  3284. if (isset($extraFields) && !empty($extraFields)) {
  3285. foreach ($extraFields as $original => $to) {
  3286. $enreg[$to] = isset($enreg[$original]) ? $enreg[$original] : null;
  3287. }
  3288. }
  3289. $session_name = Database::escape_string($enreg['SessionName']);
  3290. // Default visibility
  3291. $visibilityAfterExpirationPerSession = $sessionVisibility;
  3292. if (isset($enreg['VisibilityAfterExpiration'])) {
  3293. $visibility = $enreg['VisibilityAfterExpiration'];
  3294. switch ($visibility) {
  3295. case 'read_only':
  3296. $visibilityAfterExpirationPerSession = SESSION_VISIBLE_READ_ONLY;
  3297. break;
  3298. case 'accessible':
  3299. $visibilityAfterExpirationPerSession = SESSION_VISIBLE;
  3300. break;
  3301. case 'not_accessible':
  3302. $visibilityAfterExpirationPerSession = SESSION_INVISIBLE;
  3303. break;
  3304. }
  3305. }
  3306. if (empty($session_name)) {
  3307. continue;
  3308. }
  3309. $date_start = $enreg['DateStart'];
  3310. $date_end = $enreg['DateEnd'];
  3311. $session_category_id = isset($enreg['SessionCategory']) ? $enreg['SessionCategory'] : null;
  3312. $sessionDescription = isset($enreg['SessionDescription']) ? $enreg['SessionDescription'] : null;
  3313. $extraSessionParameters = null;
  3314. if (!empty($sessionDescription)) {
  3315. $extraSessionParameters = " , description = '".Database::escape_string($sessionDescription)."'";
  3316. }
  3317. // Searching a general coach.
  3318. if (!empty($enreg['Coach'])) {
  3319. $coach_id = UserManager::get_user_id_from_username($enreg['Coach']);
  3320. if ($coach_id === false) {
  3321. // If the coach-user does not exist - I'm the coach.
  3322. $coach_id = $defaultUserId;
  3323. }
  3324. } else {
  3325. $coach_id = $defaultUserId;
  3326. }
  3327. if (!$updateSession) {
  3328. // Always create a session.
  3329. $unique_name = false;
  3330. $i = 0;
  3331. // Change session name, verify that session doesn't exist.
  3332. $suffix = null;
  3333. while (!$unique_name) {
  3334. if ($i > 1) {
  3335. $suffix = ' - ' . $i;
  3336. }
  3337. $sql = 'SELECT 1 FROM ' . $tbl_session . ' WHERE name="' . $session_name . $suffix . '"';
  3338. $rs = Database::query($sql);
  3339. if (Database::result($rs, 0, 0)) {
  3340. $i++;
  3341. } else {
  3342. $unique_name = true;
  3343. $session_name .= $suffix;
  3344. }
  3345. }
  3346. // Creating the session.
  3347. $sql = "INSERT IGNORE INTO $tbl_session SET
  3348. name = '" . $session_name . "',
  3349. id_coach = '$coach_id',
  3350. date_start = '$date_start',
  3351. date_end = '$date_end',
  3352. visibility = '$visibilityAfterExpirationPerSession',
  3353. session_category_id = '$session_category_id',
  3354. session_admin_id = " . intval($defaultUserId) . $extraParameters . $extraSessionParameters;
  3355. Database::query($sql);
  3356. $session_id = Database::insert_id();
  3357. if ($debug) {
  3358. if ($session_id) {
  3359. foreach ($enreg as $key => $value) {
  3360. if (substr($key, 0, 6) == 'extra_') { //an extra field
  3361. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  3362. }
  3363. }
  3364. $logger->addInfo("Sessions - Session created: #$session_id - $session_name");
  3365. } else {
  3366. $logger->addError("Sessions - Session NOT created: $session_name");
  3367. }
  3368. }
  3369. $session_counter++;
  3370. } else {
  3371. $sessionId = null;
  3372. if (isset($extraFields) && !empty($extraFields) && !empty($enreg['extra_'.$extraFieldId])) {
  3373. $sessionId = self::get_session_id_from_original_id($enreg['extra_'.$extraFieldId], $extraFieldId);
  3374. if (empty($sessionId)) {
  3375. $my_session_result = false;
  3376. } else {
  3377. $my_session_result = true;
  3378. }
  3379. } else {
  3380. $my_session_result = self::get_session_by_name($enreg['SessionName']);
  3381. }
  3382. if ($my_session_result === false) {
  3383. // Creating a session.
  3384. $sql_session = "INSERT IGNORE INTO $tbl_session SET
  3385. name = '$session_name',
  3386. id_coach = '$coach_id',
  3387. date_start = '$date_start',
  3388. date_end = '$date_end',
  3389. visibility = '$visibilityAfterExpirationPerSession',
  3390. session_category_id = '$session_category_id' " . $extraParameters . $extraSessionParameters;
  3391. Database::query($sql_session);
  3392. // We get the last insert id.
  3393. $my_session_result = SessionManager::get_session_by_name($enreg['SessionName']);
  3394. $session_id = $my_session_result['id'];
  3395. if ($session_id) {
  3396. foreach ($enreg as $key => $value) {
  3397. if (substr($key, 0, 6) == 'extra_') { //an extra field
  3398. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  3399. }
  3400. }
  3401. if ($debug) {
  3402. $logger->addInfo("Sessions - #$session_id created: $session_name");
  3403. }
  3404. // Delete session-user relation only for students
  3405. $sql = "DELETE FROM $tbl_session_user
  3406. WHERE id_session = '$session_id' AND relation_type <> " . SESSION_RELATION_TYPE_RRHH;
  3407. Database::query($sql);
  3408. $sql = "DELETE FROM $tbl_session_course WHERE id_session = '$session_id'";
  3409. Database::query($sql);
  3410. // Delete session-course-user relationships students and coaches.
  3411. if ($updateCourseCoaches) {
  3412. $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status in ('0', '2')";
  3413. Database::query($sql);
  3414. } else {
  3415. // Delete session-course-user relation ships *only* for students.
  3416. $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status <> 2";
  3417. Database::query($sql);
  3418. }
  3419. }
  3420. } else {
  3421. if ($debug) {
  3422. $logger->addError("Sessions - Session to be updated: $session_name");
  3423. }
  3424. // Updating the session.
  3425. $params = array(
  3426. 'id_coach' => $coach_id,
  3427. 'date_start' => $date_start,
  3428. 'date_end' => $date_end,
  3429. 'visibility' => $visibilityAfterExpirationPerSession,
  3430. 'session_category_id' => $session_category_id
  3431. );
  3432. if (!empty($sessionDescription)) {
  3433. $params['description'] = $sessionDescription;
  3434. }
  3435. if (!empty($fieldsToAvoidUpdate)) {
  3436. foreach ($fieldsToAvoidUpdate as $field) {
  3437. unset($params[$field]);
  3438. }
  3439. }
  3440. if (isset($sessionId) && !empty($sessionId)) {
  3441. if (!empty($enreg['SessionName'])) {
  3442. $params['name'] = $enreg['SessionName'];
  3443. }
  3444. Database::update($tbl_session, $params, array('id = ?' => $sessionId));
  3445. $session_id = $sessionId;
  3446. } else {
  3447. Database::update($tbl_session, $params, array("name = '?' " => $enreg['SessionName']));
  3448. $row = Database::query("SELECT id FROM $tbl_session WHERE name = '$session_name'");
  3449. list($session_id) = Database::fetch_array($row);
  3450. }
  3451. if ($session_id) {
  3452. foreach ($enreg as $key => $value) {
  3453. if (substr($key, 0, 6) == 'extra_') { //an extra field
  3454. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  3455. }
  3456. }
  3457. // Delete session-user relation only for students
  3458. $sql = "DELETE FROM $tbl_session_user
  3459. WHERE id_session = '$session_id' AND relation_type <> " . SESSION_RELATION_TYPE_RRHH;
  3460. Database::query($sql);
  3461. $sql = "DELETE FROM $tbl_session_course WHERE id_session = '$session_id'";
  3462. Database::query($sql);
  3463. // Delete session-course-user relationships students and coaches.
  3464. if ($updateCourseCoaches) {
  3465. $sql = "DELETE FROM $tbl_session_course_user
  3466. WHERE id_session = '$session_id' AND status in ('0', '2')";
  3467. Database::query($sql);
  3468. } else {
  3469. // Delete session-course-user relation ships *only* for students.
  3470. $sql = "DELETE FROM $tbl_session_course_user
  3471. WHERE id_session = '$session_id' AND status <> 2";
  3472. Database::query($sql);
  3473. }
  3474. }
  3475. }
  3476. $session_counter++;
  3477. }
  3478. $sessionList[] = $session_id;
  3479. $users = explode('|', $enreg['Users']);
  3480. // Adding the relationship "Session - User" for students
  3481. $userList = array();
  3482. if (is_array($users)) {
  3483. foreach ($users as $user) {
  3484. $user_id = UserManager::get_user_id_from_username($user);
  3485. if ($user_id !== false) {
  3486. $userList[] = $user_id;
  3487. // Insert new users.
  3488. $sql = "INSERT IGNORE INTO $tbl_session_user SET
  3489. id_user = '$user_id',
  3490. id_session = '$session_id'";
  3491. Database::query($sql);
  3492. if ($debug) {
  3493. $logger->addInfo("Sessions - Adding User #$user_id ($user) to session #$session_id");
  3494. }
  3495. $user_counter++;
  3496. }
  3497. }
  3498. }
  3499. if ($deleteUsersNotInList) {
  3500. // Getting user in DB in order to compare to the new list.
  3501. $usersListInDatabase = self::get_users_by_session($session_id, 0);
  3502. if (!empty($usersListInDatabase)) {
  3503. if (empty($userList)) {
  3504. foreach ($usersListInDatabase as $userInfo) {
  3505. self::unsubscribe_user_from_session($session_id, $userInfo['user_id']);
  3506. }
  3507. } else {
  3508. foreach ($usersListInDatabase as $userInfo) {
  3509. if (!in_array($userInfo['user_id'], $userList)) {
  3510. self::unsubscribe_user_from_session($session_id, $userInfo['user_id']);
  3511. }
  3512. }
  3513. }
  3514. }
  3515. }
  3516. $courses = explode('|', $enreg['Courses']);
  3517. // See BT#6449
  3518. $onlyAddFirstCoachOrTeacher = false;
  3519. if ($sessionWithCoursesModifier) {
  3520. if (count($courses) >= 2) {
  3521. // Only first teacher in course session;
  3522. $onlyAddFirstCoachOrTeacher = true;
  3523. // Remove all teachers from course.
  3524. $removeAllTeachersFromCourse = false;
  3525. }
  3526. }
  3527. foreach ($courses as $course) {
  3528. $courseArray = bracketsToArray($course);
  3529. $course_code = $courseArray[0];
  3530. if (CourseManager::course_exists($course_code)) {
  3531. $courseInfo = api_get_course_info($course_code);
  3532. // Adding the course to a session.
  3533. $sql = "INSERT IGNORE INTO $tbl_session_course
  3534. SET course_code = '$course_code', id_session='$session_id'";
  3535. Database::query($sql);
  3536. $course_info = api_get_course_info($course_code);
  3537. SessionManager::installCourse($session_id, $course_info['real_id']);
  3538. if ($debug) {
  3539. $logger->addInfo("Sessions - Adding course '$course_code' to session #$session_id");
  3540. }
  3541. $course_counter++;
  3542. $course_coaches = isset($courseArray[1]) ? $courseArray[1] : null;
  3543. $course_users = isset($courseArray[2]) ? $courseArray[2] : null;
  3544. $course_users = explode(',', $course_users);
  3545. $course_coaches = explode(',', $course_coaches);
  3546. // Checking if the flag is set TeachersWillBeAddedAsCoachInAllCourseSessions (course_edit.php)
  3547. $addTeachersToSession = true;
  3548. if (array_key_exists('add_teachers_to_sessions_courses', $courseInfo)) {
  3549. $addTeachersToSession = $courseInfo['add_teachers_to_sessions_courses'];
  3550. }
  3551. // If any user provided for a course, use the users array.
  3552. if (empty($course_users)) {
  3553. if (!empty($userList)) {
  3554. SessionManager::subscribe_users_to_session_course(
  3555. $userList,
  3556. $session_id,
  3557. $course_code
  3558. );
  3559. if ($debug) {
  3560. $msg = "Sessions - Adding student list ".implode(', #', $userList)." to course: '$course_code' and session #$session_id";
  3561. $logger->addInfo($msg);
  3562. }
  3563. }
  3564. }
  3565. // Adding coaches to session course user.
  3566. if (!empty($course_coaches)) {
  3567. $savedCoaches = array();
  3568. // only edit if add_teachers_to_sessions_courses is set.
  3569. if ($addTeachersToSession) {
  3570. if ($addOriginalCourseTeachersAsCourseSessionCoaches) {
  3571. // Adding course teachers as course session teachers.
  3572. $alreadyAddedTeachers = CourseManager::get_teacher_list_from_course_code(
  3573. $course_code
  3574. );
  3575. if (!empty($alreadyAddedTeachers)) {
  3576. $teachersToAdd = array();
  3577. foreach ($alreadyAddedTeachers as $user) {
  3578. $teachersToAdd[] = $user['username'];
  3579. }
  3580. $course_coaches = array_merge(
  3581. $course_coaches,
  3582. $teachersToAdd
  3583. );
  3584. }
  3585. }
  3586. foreach ($course_coaches as $course_coach) {
  3587. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3588. if ($coach_id !== false) {
  3589. // Just insert new coaches
  3590. SessionManager::updateCoaches($session_id, $course_code, array($coach_id), false);
  3591. if ($debug) {
  3592. $logger->addInfo("Sessions - Adding course coach: user #$coach_id ($course_coach) to course: '$course_code' and session #$session_id");
  3593. }
  3594. $savedCoaches[] = $coach_id;
  3595. } else {
  3596. $error_message .= get_lang('UserDoesNotExist').' : '.$course_coach.$eol;
  3597. }
  3598. }
  3599. }
  3600. // Custom courses/session coaches
  3601. $teacherToAdd = null;
  3602. // Only one coach is added.
  3603. if ($onlyAddFirstCoachOrTeacher == true) {
  3604. foreach ($course_coaches as $course_coach) {
  3605. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3606. if ($coach_id !== false) {
  3607. $teacherToAdd = $coach_id;
  3608. break;
  3609. }
  3610. }
  3611. // Un subscribe everyone that's not in the list.
  3612. $teacherList = CourseManager::get_teacher_list_from_course_code($course_code);
  3613. if (!empty($teacherList)) {
  3614. foreach ($teacherList as $teacher) {
  3615. if ($teacherToAdd != $teacher['user_id']) {
  3616. CourseManager::unsubscribe_user(
  3617. $teacher['user_id'],
  3618. $course_code
  3619. );
  3620. }
  3621. }
  3622. }
  3623. if (!empty($teacherToAdd)) {
  3624. SessionManager::updateCoaches($session_id, $course_code, array($teacherToAdd), true);
  3625. CourseManager::subscribe_user(
  3626. $teacherToAdd,
  3627. $course_code,
  3628. COURSEMANAGER
  3629. );
  3630. }
  3631. }
  3632. // See BT#6449#note-195
  3633. // All coaches are added.
  3634. if ($removeAllTeachersFromCourse) {
  3635. $teacherToAdd = null;
  3636. foreach ($course_coaches as $course_coach) {
  3637. $coach_id = UserManager::get_user_id_from_username(
  3638. $course_coach
  3639. );
  3640. if ($coach_id !== false) {
  3641. $teacherToAdd[] = $coach_id;
  3642. }
  3643. }
  3644. if (!empty($teacherToAdd)) {
  3645. // Deleting all course teachers and adding the only coach as teacher.
  3646. $teacherList = CourseManager::get_teacher_list_from_course_code($course_code);
  3647. if (!empty($teacherList)) {
  3648. foreach ($teacherList as $teacher) {
  3649. if (!in_array($teacher['user_id'], $teacherToAdd)) {
  3650. CourseManager::unsubscribe_user(
  3651. $teacher['user_id'],
  3652. $course_code
  3653. );
  3654. }
  3655. }
  3656. }
  3657. foreach ($teacherToAdd as $teacherId) {
  3658. CourseManager::subscribe_user(
  3659. $teacherId,
  3660. $course_code,
  3661. COURSEMANAGER
  3662. );
  3663. }
  3664. }
  3665. }
  3666. // Continue default behaviour.
  3667. if ($onlyAddFirstCoachOrTeacher == false) {
  3668. // Checking one more time see BT#6449#note-149
  3669. $coaches = SessionManager::getCoachesByCourseSession($session_id, $course_code);
  3670. // Update coaches if only there's 1 course see BT#6449#note-189
  3671. if (empty($coaches) || count($courses) == 1) {
  3672. foreach ($course_coaches as $course_coach) {
  3673. $course_coach = trim($course_coach);
  3674. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3675. if ($coach_id !== false) {
  3676. // Just insert new coaches
  3677. SessionManager::updateCoaches(
  3678. $session_id,
  3679. $course_code,
  3680. array($coach_id),
  3681. false
  3682. );
  3683. if ($debug) {
  3684. $logger->addInfo("Sessions - Adding course coach: user #$coach_id ($course_coach) to course: '$course_code' and session #$session_id");
  3685. }
  3686. $savedCoaches[] = $coach_id;
  3687. } else {
  3688. $error_message .= get_lang('UserDoesNotExist').' : '.$course_coach.$eol;
  3689. }
  3690. }
  3691. }
  3692. }
  3693. }
  3694. // Adding Students, updating relationship "Session - Course - User".
  3695. $course_users = array_filter($course_users);
  3696. if (!empty($course_users)) {
  3697. foreach ($course_users as $user) {
  3698. $user_id = UserManager::get_user_id_from_username($user);
  3699. if ($user_id !== false) {
  3700. SessionManager::subscribe_users_to_session_course(
  3701. array($user_id),
  3702. $session_id,
  3703. $course_code
  3704. );
  3705. if ($debug) {
  3706. $logger->addInfo("Sessions - Adding student: user #$user_id ($user) to course: '$course_code' and session #$session_id");
  3707. }
  3708. } else {
  3709. $error_message .= get_lang('UserDoesNotExist').': '.$user.$eol;
  3710. }
  3711. }
  3712. }
  3713. $course_info = CourseManager::get_course_information($course_code);
  3714. $inserted_in_course[$course_code] = $course_info['title'];
  3715. }
  3716. }
  3717. $access_url_id = api_get_current_access_url_id();
  3718. UrlManager::add_session_to_url($session_id, $access_url_id);
  3719. $sql = "UPDATE $tbl_session SET nbr_users = '$user_counter', nbr_courses = '$course_counter' WHERE id = '$session_id'";
  3720. Database::query($sql);
  3721. }
  3722. }
  3723. return array(
  3724. 'error_message' => $error_message,
  3725. 'session_counter' => $session_counter,
  3726. 'session_list' => $sessionList
  3727. );
  3728. }
  3729. /**
  3730. * @param int $sessionId
  3731. * @param string $courseCode
  3732. * @return array
  3733. */
  3734. public static function getCoachesByCourseSession($sessionId, $courseCode)
  3735. {
  3736. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3737. $sessionId = intval($sessionId);
  3738. $courseCode = Database::escape_string($courseCode);
  3739. $sql = "SELECT id_user FROM $table
  3740. WHERE
  3741. id_session = '$sessionId' AND
  3742. course_code = '$courseCode' AND
  3743. status = 2";
  3744. $result = Database::query($sql);
  3745. $coaches = array();
  3746. if (Database::num_rows($result) > 0) {
  3747. while ($row = Database::fetch_row($result)) {
  3748. $coaches[] = $row[0];
  3749. }
  3750. }
  3751. return $coaches;
  3752. }
  3753. /**
  3754. * @param int $sessionId
  3755. * @param string $courseCode
  3756. * @return string
  3757. */
  3758. public static function getCoachesByCourseSessionToString(
  3759. $sessionId,
  3760. $courseCode
  3761. ) {
  3762. $coaches = self::getCoachesByCourseSession($sessionId, $courseCode);
  3763. $list = array();
  3764. if (!empty($coaches)) {
  3765. foreach ($coaches as $coachId) {
  3766. $userInfo = api_get_user_info($coachId);
  3767. $list[] = api_get_person_name(
  3768. $userInfo['firstname'],
  3769. $userInfo['lastname']
  3770. );
  3771. }
  3772. }
  3773. return array_to_string($list, CourseManager::USER_SEPARATOR);
  3774. }
  3775. /**
  3776. * Get all coaches added in the session - course relationship
  3777. * @param int $sessionId
  3778. * @return array
  3779. */
  3780. public static function getCoachesBySession($sessionId)
  3781. {
  3782. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3783. $sessionId = intval($sessionId);
  3784. $sql = "SELECT DISTINCT id_user
  3785. FROM $table
  3786. WHERE id_session = '$sessionId' AND status = 2";
  3787. $result = Database::query($sql);
  3788. $coaches = array();
  3789. if (Database::num_rows($result) > 0) {
  3790. while ($row = Database::fetch_array($result)) {
  3791. $coaches[] = $row['id_user'];
  3792. }
  3793. }
  3794. return $coaches;
  3795. }
  3796. /**
  3797. * @param int $userId
  3798. * @return array
  3799. */
  3800. public static function getAllCoursesFromAllSessionFromDrh($userId)
  3801. {
  3802. $sessions = SessionManager::get_sessions_followed_by_drh($userId);
  3803. $coursesFromSession = array();
  3804. if (!empty($sessions)) {
  3805. foreach ($sessions as $session) {
  3806. $courseList = SessionManager::get_course_list_by_session_id($session['id']);
  3807. foreach ($courseList as $course) {
  3808. $coursesFromSession[] = $course['code'];
  3809. }
  3810. }
  3811. }
  3812. return $coursesFromSession;
  3813. }
  3814. /**
  3815. * @param string $status
  3816. * @param int $userId
  3817. * @param bool $getCount
  3818. * @param int $from
  3819. * @param int $numberItems
  3820. * @param int $column
  3821. * @param string $direction
  3822. * @param string $keyword
  3823. * @param string $active
  3824. * @param string $lastConnectionDate
  3825. * @param array $sessionIdList
  3826. * @param array $studentIdList
  3827. * @param int $filterByStatus
  3828. * @return array|int
  3829. */
  3830. public static function getAllUsersFromCoursesFromAllSessionFromStatus(
  3831. $status,
  3832. $userId,
  3833. $getCount = false,
  3834. $from = null,
  3835. $numberItems = null,
  3836. $column = 1,
  3837. $direction = 'asc',
  3838. $keyword = null,
  3839. $active = null,
  3840. $lastConnectionDate = null,
  3841. $sessionIdList = array(),
  3842. $studentIdList = array(),
  3843. $filterByStatus = null
  3844. ) {
  3845. $filterByStatus = intval($filterByStatus);
  3846. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  3847. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  3848. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  3849. $tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  3850. $tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
  3851. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3852. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  3853. $direction = in_array(strtolower($direction), array('asc', 'desc')) ? $direction : 'asc';
  3854. $column = Database::escape_string($column);
  3855. $userId = intval($userId);
  3856. $limitCondition = null;
  3857. if (isset($from) && isset($numberItems)) {
  3858. $from = intval($from);
  3859. $numberItems = intval($numberItems);
  3860. $limitCondition = "LIMIT $from, $numberItems";
  3861. }
  3862. $urlId = api_get_current_access_url_id();
  3863. $sessionConditions = null;
  3864. $courseConditions = null;
  3865. $userConditions = null;
  3866. if (isset($active)) {
  3867. $active = intval($active);
  3868. $userConditions .= " AND active = $active";
  3869. }
  3870. switch ($status) {
  3871. case 'drh':
  3872. // Classic DRH
  3873. if (empty($studentIdList)) {
  3874. $studentListSql = UserManager::get_users_followed_by_drh(
  3875. $userId,
  3876. $filterByStatus,
  3877. true,
  3878. false
  3879. );
  3880. $studentIdList = array_keys($studentListSql);
  3881. $studentListSql = "'".implode("','", $studentIdList)."'";
  3882. } else {
  3883. $studentIdList = array_map('intval', $studentIdList);
  3884. $studentListSql = "'".implode("','", $studentIdList)."'";
  3885. }
  3886. if (!empty($studentListSql)) {
  3887. $userConditions = " AND u.user_id IN (".$studentListSql.") ";
  3888. }
  3889. break;
  3890. case 'drh_all':
  3891. // Show all by DRH
  3892. if (empty($sessionIdList)) {
  3893. $sessionsListSql = SessionManager::get_sessions_followed_by_drh(
  3894. $userId,
  3895. null,
  3896. null,
  3897. false,
  3898. true,
  3899. true
  3900. );
  3901. } else {
  3902. $sessionIdList = array_map('intval', $sessionIdList);
  3903. $sessionsListSql = "'".implode("','", $sessionIdList)."'";
  3904. }
  3905. if (!empty($sessionsListSql)) {
  3906. $sessionConditions = " AND s.id IN (".$sessionsListSql.") ";
  3907. }
  3908. break;
  3909. case 'session_admin';
  3910. $sessionConditions = " AND s.id_coach = $userId ";
  3911. break;
  3912. case 'admin':
  3913. break;
  3914. case 'teacher':
  3915. $sessionConditions = " AND s.id_coach = $userId ";
  3916. break;
  3917. }
  3918. $select = "SELECT DISTINCT u.* ";
  3919. $masterSelect = "SELECT DISTINCT * FROM ";
  3920. if ($getCount) {
  3921. $select = "SELECT DISTINCT u.user_id ";
  3922. $masterSelect = "SELECT COUNT(DISTINCT(user_id)) as count FROM ";
  3923. }
  3924. if (!empty($filterByStatus)) {
  3925. $userConditions .= " AND u.status = ".$filterByStatus;
  3926. }
  3927. if (!empty($lastConnectionDate)) {
  3928. $lastConnectionDate = Database::escape_string($lastConnectionDate);
  3929. $userConditions .= " AND u.last_login <= '$lastConnectionDate' ";
  3930. }
  3931. if (!empty($keyword)) {
  3932. $keyword = Database::escape_string($keyword);
  3933. $userConditions .= " AND (
  3934. u.username LIKE '%$keyword%' OR
  3935. u.firstname LIKE '%$keyword%' OR
  3936. u.lastname LIKE '%$keyword%' OR
  3937. u.official_code LIKE '%$keyword%' OR
  3938. u.email LIKE '%$keyword%'
  3939. )";
  3940. }
  3941. $where = " WHERE
  3942. access_url_id = $urlId
  3943. $userConditions
  3944. ";
  3945. $sql = "$masterSelect (
  3946. ($select
  3947. FROM $tbl_session s
  3948. INNER JOIN $tbl_session_rel_course_rel_user su ON (s.id = su.id_session)
  3949. INNER JOIN $tbl_user u ON (u.user_id = su.id_user AND s.id = id_session)
  3950. INNER JOIN $tbl_session_rel_access_url url ON (url.session_id = s.id)
  3951. $where
  3952. $sessionConditions
  3953. )
  3954. UNION (
  3955. $select
  3956. FROM $tbl_course c
  3957. INNER JOIN $tbl_course_user cu ON (cu.course_code = c.code)
  3958. INNER JOIN $tbl_user u ON (u.user_id = cu.user_id)
  3959. INNER JOIN $tbl_course_rel_access_url url ON (url.course_code = c.code)
  3960. $where
  3961. $courseConditions
  3962. )
  3963. ) as t1
  3964. ";
  3965. if ($getCount) {
  3966. $result = Database::query($sql);
  3967. $count = 0;
  3968. if (Database::num_rows($result)) {
  3969. $rows = Database::fetch_array($result);
  3970. $count = $rows['count'];
  3971. }
  3972. return $count;
  3973. }
  3974. if (!empty($column) && !empty($direction)) {
  3975. $column = str_replace('u.', '', $column);
  3976. $sql .= " ORDER BY $column $direction ";
  3977. }
  3978. $sql .= $limitCondition;
  3979. $result = Database::query($sql);
  3980. $result = Database::store_result($result);
  3981. return $result ;
  3982. }
  3983. /**
  3984. * @param int $sessionId
  3985. * @param string $courseCode
  3986. * @param array $coachList
  3987. * @param bool $deleteCoachesNotInList
  3988. */
  3989. public static function updateCoaches(
  3990. $sessionId,
  3991. $courseCode,
  3992. $coachList,
  3993. $deleteCoachesNotInList = false
  3994. ) {
  3995. $currentCoaches = self::getCoachesByCourseSession($sessionId, $courseCode);
  3996. if (!empty($coachList)) {
  3997. foreach ($coachList as $userId) {
  3998. self::set_coach_to_course_session($userId, $sessionId, $courseCode);
  3999. }
  4000. }
  4001. if ($deleteCoachesNotInList) {
  4002. if (!empty($coachList)) {
  4003. $coachesToDelete = array_diff($currentCoaches, $coachList);
  4004. } else {
  4005. $coachesToDelete = $currentCoaches;
  4006. }
  4007. if (!empty($coachesToDelete)) {
  4008. foreach ($coachesToDelete as $userId) {
  4009. self::set_coach_to_course_session(
  4010. $userId,
  4011. $sessionId,
  4012. $courseCode,
  4013. true
  4014. );
  4015. }
  4016. }
  4017. }
  4018. }
  4019. /**
  4020. * @param array $sessions
  4021. * @param array $sessionsDestination
  4022. * @return string
  4023. */
  4024. public static function copyStudentsFromSession($sessions, $sessionsDestination)
  4025. {
  4026. $messages = array();
  4027. if (!empty($sessions)) {
  4028. foreach ($sessions as $sessionId) {
  4029. $sessionInfo = self::fetch($sessionId);
  4030. $userList = self::get_users_by_session($sessionId, 0);
  4031. if (!empty($userList)) {
  4032. $newUserList = array();
  4033. $userToString = null;
  4034. foreach ($userList as $userInfo) {
  4035. $newUserList[] = $userInfo['user_id'];
  4036. $userToString .= $userInfo['firstname'] . ' ' . $userInfo['lastname'] . '<br />';
  4037. }
  4038. if (!empty($sessionsDestination)) {
  4039. foreach ($sessionsDestination as $sessionDestinationId) {
  4040. $sessionDestinationInfo = self::fetch($sessionDestinationId);
  4041. $messages[] = Display::return_message(
  4042. sprintf(get_lang('AddingStudentsFromSessionXToSessionY'), $sessionInfo['name'], $sessionDestinationInfo['name']), 'info', false
  4043. );
  4044. if ($sessionId == $sessionDestinationId) {
  4045. $messages[] = Display::return_message(sprintf(get_lang('SessionXSkipped'), $sessionDestinationId), 'warning', false);
  4046. continue;
  4047. }
  4048. $messages[] = Display::return_message(get_lang('StudentList') . '<br />' . $userToString, 'info', false);
  4049. SessionManager::suscribe_users_to_session($sessionDestinationId, $newUserList, SESSION_VISIBLE_READ_ONLY, false);
  4050. }
  4051. } else {
  4052. $messages[] = Display::return_message(get_lang('NoDestinationSessionProvided'), 'warning');
  4053. }
  4054. } else {
  4055. $messages[] = Display::return_message(get_lang('NoStudentsFoundForSession') . ' #' . $sessionInfo['name'], 'warning');
  4056. }
  4057. }
  4058. } else {
  4059. $messages[] = Display::return_message(get_lang('NoData'), 'warning');
  4060. }
  4061. return $messages;
  4062. }
  4063. /**
  4064. * Assign coaches of a session(s) as teachers to a given course (or courses)
  4065. * @param array A list of session IDs
  4066. * @param array A list of course IDs
  4067. * @return string
  4068. */
  4069. public static function copyCoachesFromSessionToCourse($sessions, $courses)
  4070. {
  4071. $coachesPerSession = array();
  4072. foreach ($sessions as $sessionId) {
  4073. $coaches = self::getCoachesBySession($sessionId);
  4074. $coachesPerSession[$sessionId] = $coaches;
  4075. }
  4076. $result = array();
  4077. if (!empty($courses)) {
  4078. foreach ($courses as $courseId) {
  4079. $courseInfo = api_get_course_info_by_id($courseId);
  4080. foreach ($coachesPerSession as $sessionId => $coachList) {
  4081. CourseManager::updateTeachers(
  4082. $courseInfo['code'], $coachList, false, false, false
  4083. );
  4084. $result[$courseInfo['code']][$sessionId] = $coachList;
  4085. }
  4086. }
  4087. }
  4088. $sessionUrl = api_get_path(WEB_CODE_PATH) . 'admin/resume_session.php?id_session=';
  4089. $htmlResult = null;
  4090. if (!empty($result)) {
  4091. foreach ($result as $courseCode => $data) {
  4092. $url = api_get_course_url($courseCode);
  4093. $htmlResult .= sprintf(get_lang('CoachesSubscribedAsATeacherInCourseX'), Display::url($courseCode, $url, array('target' => '_blank')));
  4094. foreach ($data as $sessionId => $coachList) {
  4095. $sessionInfo = self::fetch($sessionId);
  4096. $htmlResult .= '<br />';
  4097. $htmlResult .= Display::url(
  4098. get_lang('Session') . ': ' . $sessionInfo['name'] . ' <br />', $sessionUrl . $sessionId, array('target' => '_blank')
  4099. );
  4100. $teacherList = array();
  4101. foreach ($coachList as $coachId) {
  4102. $userInfo = api_get_user_info($coachId);
  4103. $teacherList[] = $userInfo['complete_name'];
  4104. }
  4105. if (!empty($teacherList)) {
  4106. $htmlResult .= implode(', ', $teacherList);
  4107. } else {
  4108. $htmlResult .= get_lang('NothingToAdd');
  4109. }
  4110. }
  4111. $htmlResult .= '<br />';
  4112. }
  4113. $htmlResult = Display::return_message($htmlResult, 'normal', false);
  4114. }
  4115. return $htmlResult;
  4116. }
  4117. /**
  4118. * @param string $keyword
  4119. * @param string $active
  4120. * @param string $lastConnectionDate
  4121. * @param array $sessionIdList
  4122. * @param array $studentIdList
  4123. * @param int $userStatus STUDENT|COURSEMANAGER constants
  4124. *
  4125. * @return array|int
  4126. */
  4127. public static function getCountUserTracking(
  4128. $keyword = null,
  4129. $active = null,
  4130. $lastConnectionDate = null,
  4131. $sessionIdList = array(),
  4132. $studentIdList = array(),
  4133. $filterUserStatus = null
  4134. ) {
  4135. $userId = api_get_user_id();
  4136. $drhLoaded = false;
  4137. if (api_is_drh()) {
  4138. if (api_drh_can_access_all_session_content()) {
  4139. $count = self::getAllUsersFromCoursesFromAllSessionFromStatus(
  4140. 'drh_all',
  4141. $userId,
  4142. true,
  4143. null,
  4144. null,
  4145. null,
  4146. null,
  4147. $keyword,
  4148. $active,
  4149. $lastConnectionDate,
  4150. $sessionIdList,
  4151. $studentIdList,
  4152. $filterUserStatus
  4153. );
  4154. $drhLoaded = true;
  4155. }
  4156. }
  4157. if ($drhLoaded == false) {
  4158. $count = UserManager::getUsersFollowedByUser(
  4159. $userId,
  4160. $filterUserStatus,
  4161. false,
  4162. false,
  4163. true,
  4164. null,
  4165. null,
  4166. null,
  4167. null,
  4168. $active,
  4169. $lastConnectionDate,
  4170. COURSEMANAGER,
  4171. $keyword
  4172. );
  4173. }
  4174. return $count;
  4175. }
  4176. /**
  4177. * Get teachers followed by a user
  4178. * @param int $userId
  4179. * @param int $active
  4180. * @param string $lastConnectionDate
  4181. * @param bool $getCount
  4182. * @param array $sessionIdList
  4183. * @return array|int
  4184. */
  4185. public static function getTeacherTracking(
  4186. $userId,
  4187. $active = 1,
  4188. $lastConnectionDate = null,
  4189. $getCount = false,
  4190. $sessionIdList = array()
  4191. ) {
  4192. $teacherResult = array();
  4193. if (api_is_drh() || api_is_platform_admin()) {
  4194. // Followed teachers by drh
  4195. if (api_drh_can_access_all_session_content()) {
  4196. if (empty($sessionIdList)) {
  4197. $sessions = SessionManager::get_sessions_followed_by_drh($userId);
  4198. $sessionIdList = array();
  4199. foreach ($sessions as $session) {
  4200. $sessionIdList[] = $session['id'];
  4201. }
  4202. }
  4203. $sessionIdList = array_map('intval', $sessionIdList);
  4204. $sessionToString = implode("', '", $sessionIdList);
  4205. $course = Database::get_main_table(TABLE_MAIN_COURSE);
  4206. $sessionCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  4207. $courseUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  4208. // Select the teachers.
  4209. $sql = "SELECT DISTINCT(cu.user_id) FROM $course c
  4210. INNER JOIN $sessionCourse src ON c.code = src.course_code
  4211. INNER JOIN $courseUser cu ON (cu.course_code = c.code)
  4212. WHERE src.id_session IN ('$sessionToString') AND cu.status = 1";
  4213. $result = Database::query($sql);
  4214. $teacherListId = array();
  4215. while($row = Database::fetch_array($result, 'ASSOC')) {
  4216. $teacherListId[$row['user_id']] = $row['user_id'];
  4217. }
  4218. } else {
  4219. $teacherResult = UserManager::get_users_followed_by_drh($userId, COURSEMANAGER);
  4220. $teacherListId = array();
  4221. foreach ($teacherResult as $userInfo) {
  4222. $teacherListId[] = $userInfo['user_id'];
  4223. }
  4224. }
  4225. }
  4226. if (!empty($teacherListId)) {
  4227. $tableUser = Database::get_main_table(TABLE_MAIN_USER);
  4228. $select = "SELECT DISTINCT u.* ";
  4229. if ($getCount) {
  4230. $select = "SELECT count(DISTINCT(u.user_id)) as count";
  4231. }
  4232. $sql = "$select FROM $tableUser u";
  4233. if (!empty($lastConnectionDate)) {
  4234. $tableLogin = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
  4235. //$sql .= " INNER JOIN $tableLogin l ON (l.login_user_id = u.user_id) ";
  4236. }
  4237. $active = intval($active);
  4238. $teacherListId = implode("','", $teacherListId);
  4239. $where = " WHERE u.active = $active AND u.user_id IN ('$teacherListId') ";
  4240. if (!empty($lastConnectionDate)) {
  4241. $lastConnectionDate = Database::escape_string($lastConnectionDate);
  4242. //$where .= " AND l.login_date <= '$lastConnectionDate' ";
  4243. }
  4244. $sql .= $where;
  4245. $result = Database::query($sql);
  4246. if (Database::num_rows($result)) {
  4247. if ($getCount) {
  4248. $row = Database::fetch_array($result);
  4249. return $row['count'];
  4250. } else {
  4251. return Database::store_result($result, 'ASSOC');
  4252. }
  4253. }
  4254. }
  4255. return 0;
  4256. }
  4257. /**
  4258. * Get the list of course tools that have to be dealt with in case of
  4259. * registering any course to a session
  4260. * @return array The list of tools to be dealt with (literal names)
  4261. */
  4262. public static function getCourseToolToBeManaged()
  4263. {
  4264. return array(
  4265. 'courseDescription',
  4266. 'courseIntroduction'
  4267. );
  4268. }
  4269. /**
  4270. * Calls the methods bound to each tool when a course is registered into a session
  4271. * @param int $sessionId
  4272. * @param int $courseId
  4273. * @return void
  4274. */
  4275. public static function installCourse($sessionId, $courseId)
  4276. {
  4277. return true;
  4278. $toolList = self::getCourseToolToBeManaged();
  4279. foreach ($toolList as $tool) {
  4280. $method = 'add' . $tool;
  4281. if (method_exists(get_class(), $method)) {
  4282. self::$method($sessionId, $courseId);
  4283. }
  4284. }
  4285. }
  4286. /**
  4287. * Calls the methods bound to each tool when a course is unregistered from
  4288. * a session
  4289. * @param int $sessionId
  4290. * @param int $courseId
  4291. */
  4292. public static function unInstallCourse($sessionId, $courseId)
  4293. {
  4294. return true;
  4295. $toolList = self::getCourseToolToBeManaged();
  4296. foreach ($toolList as $tool) {
  4297. $method = 'remove' . $tool;
  4298. if (method_exists(get_class(), $method)) {
  4299. self::$method($sessionId, $courseId);
  4300. }
  4301. }
  4302. }
  4303. /**
  4304. * @param int $sessionId
  4305. * @param int $courseId
  4306. */
  4307. public static function addCourseIntroduction($sessionId, $courseId)
  4308. {
  4309. // @todo create a tool intro lib
  4310. $sessionId = intval($sessionId);
  4311. $courseId = intval($courseId);
  4312. $TBL_INTRODUCTION = Database::get_course_table(TABLE_TOOL_INTRO);
  4313. $sql = "SELECT * FROM $TBL_INTRODUCTION WHERE c_id = $courseId";
  4314. $result = Database::query($sql);
  4315. $result = Database::store_result($result, 'ASSOC');
  4316. if (!empty($result)) {
  4317. foreach ($result as $result) {
  4318. // @todo check if relation exits.
  4319. $result['session_id'] = $sessionId;
  4320. Database::insert($TBL_INTRODUCTION, $result);
  4321. }
  4322. }
  4323. }
  4324. /**
  4325. * @param int $sessionId
  4326. * @param int $courseId
  4327. */
  4328. public static function removeCourseIntroduction($sessionId, $courseId)
  4329. {
  4330. $sessionId = intval($sessionId);
  4331. $courseId = intval($courseId);
  4332. $TBL_INTRODUCTION = Database::get_course_table(TABLE_TOOL_INTRO);
  4333. $sql = "DELETE FROM $TBL_INTRODUCTION WHERE c_id = $courseId AND session_id = $sessionId";
  4334. Database::query($sql);
  4335. }
  4336. /**
  4337. * @param int $sessionId
  4338. * @param int $courseId
  4339. */
  4340. public static function addCourseDescription($sessionId, $courseId)
  4341. {
  4342. /* $description = new CourseDescription();
  4343. $descriptions = $description->get_descriptions($courseId);
  4344. foreach ($descriptions as $description) {
  4345. } */
  4346. }
  4347. /**
  4348. * @param int $sessionId
  4349. * @param int $courseId
  4350. */
  4351. public static function removeCourseDescription($sessionId, $courseId)
  4352. {
  4353. }
  4354. /**
  4355. * @param array $list format see self::importSessionDrhCSV()
  4356. * @param bool $sendEmail
  4357. * @param bool $removeOldRelationShips
  4358. * @return string
  4359. */
  4360. public static function subscribeDrhToSessionList($userSessionList, $sendEmail, $removeOldRelationShips)
  4361. {
  4362. if (!empty($userSessionList)) {
  4363. foreach ($userSessionList as $userId => $data) {
  4364. $sessionList = array();
  4365. foreach ($data['session_list'] as $sessionInfo) {
  4366. $sessionList[] = $sessionInfo['session_id'];
  4367. }
  4368. $userInfo = $data['user_info'];
  4369. self::suscribe_sessions_to_hr_manager($userInfo, $sessionList, $sendEmail, $removeOldRelationShips);
  4370. }
  4371. }
  4372. }
  4373. /**
  4374. * @param array $userSessionList format see self::importSessionDrhCSV()
  4375. */
  4376. public static function checkSubscribeDrhToSessionList($userSessionList)
  4377. {
  4378. $message = null;
  4379. if (!empty($userSessionList)) {
  4380. if (!empty($userSessionList)) {
  4381. foreach ($userSessionList as $userId => $data) {
  4382. $userInfo = $data['user_info'];
  4383. $sessionListSubscribed = self::get_sessions_followed_by_drh($userId);
  4384. if (!empty($sessionListSubscribed)) {
  4385. $sessionListSubscribed = array_keys($sessionListSubscribed);
  4386. }
  4387. $sessionList = array();
  4388. if (!empty($data['session_list'])) {
  4389. foreach ($data['session_list'] as $sessionInfo) {
  4390. if (in_array($sessionInfo['session_id'], $sessionListSubscribed)) {
  4391. $sessionList[] = $sessionInfo['session_info']['name'];
  4392. }
  4393. }
  4394. }
  4395. $message .= '<strong>' . get_lang('User') . '</strong> ' . $userInfo['complete_name'] . ' <br />';
  4396. if (!in_array($userInfo['status'], array(DRH)) && !api_is_platform_admin_by_id($userInfo['user_id'])) {
  4397. $message .= get_lang('UserMustHaveTheDrhRole') . '<br />';
  4398. continue;
  4399. }
  4400. if (!empty($sessionList)) {
  4401. $message .= '<strong>' . get_lang('Sessions') . ':</strong> <br />';
  4402. $message .= implode(', ', $sessionList) . '<br /><br />';
  4403. } else {
  4404. $message .= get_lang('NoSessionProvided') . ' <br /><br />';
  4405. }
  4406. }
  4407. }
  4408. }
  4409. return $message;
  4410. }
  4411. /**
  4412. * @param string $file
  4413. * @param bool $sendEmail
  4414. * @param bool $removeOldRelationShips
  4415. */
  4416. public static function importSessionDrhCSV($file, $sendEmail, $removeOldRelationShips)
  4417. {
  4418. $list = Import::csv_reader($file);
  4419. if (!empty($list)) {
  4420. $userSessionList = array();
  4421. foreach ($list as $data) {
  4422. $userInfo = api_get_user_info_from_username($data['Username']);
  4423. $sessionInfo = self::get_session_by_name($data['SessionName']);
  4424. if (!empty($userInfo) && !empty($sessionInfo)) {
  4425. $userSessionList[$userInfo['user_id']]['session_list'][] = array(
  4426. 'session_id' => $sessionInfo['id'],
  4427. 'session_info' => $sessionInfo
  4428. );
  4429. $userSessionList[$userInfo['user_id']]['user_info'] = $userInfo;
  4430. }
  4431. }
  4432. self::subscribeDrhToSessionList($userSessionList, $sendEmail, $removeOldRelationShips);
  4433. return self::checkSubscribeDrhToSessionList($userSessionList);
  4434. }
  4435. }
  4436. /**
  4437. * Courses re-ordering in resume_session.php flag see BT#8316
  4438. */
  4439. public static function orderCourseIsEnabled()
  4440. {
  4441. global $_configuration;
  4442. if (isset($_configuration['session_course_ordering']) &&
  4443. $_configuration['session_course_ordering']
  4444. ) {
  4445. return true;
  4446. }
  4447. return false;
  4448. }
  4449. /**
  4450. * @param string $direction (up/down)
  4451. * @param int $sessionId
  4452. * @param string $courseCode
  4453. * @return bool
  4454. */
  4455. public static function move($direction, $sessionId, $courseCode)
  4456. {
  4457. if (!self::orderCourseIsEnabled()) {
  4458. return false;
  4459. }
  4460. $sessionId = intval($sessionId);
  4461. $courseCode = Database::escape_string($courseCode);
  4462. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  4463. $courseList = self::get_course_list_by_session_id($sessionId, null, 'position');
  4464. $position = array();
  4465. $count = 0;
  4466. foreach ($courseList as $course) {
  4467. if ($course['position'] == '') {
  4468. $course['position'] = $count;
  4469. }
  4470. $position[$course['code']] = $course['position'];
  4471. // Saving current order.
  4472. $sql = "UPDATE $table SET position = $count
  4473. WHERE id_session = $sessionId AND course_code = '".$course['code']."'";
  4474. Database::query($sql);
  4475. $count++;
  4476. }
  4477. // Loading new positions.
  4478. $courseList = self::get_course_list_by_session_id($sessionId, null, 'position');
  4479. $found = false;
  4480. switch ($direction) {
  4481. case 'up':
  4482. $courseList = array_reverse($courseList);
  4483. break;
  4484. case 'down':
  4485. break;
  4486. }
  4487. foreach ($courseList as $course) {
  4488. if ($found) {
  4489. $nextId = $course['code'];
  4490. $nextOrder = $course['position'];
  4491. break;
  4492. }
  4493. if ($courseCode == $course['code']) {
  4494. $thisCourseCode = $course['code'];
  4495. $thisOrder = $course['position'];
  4496. $found = true;
  4497. }
  4498. }
  4499. $sql1 = "UPDATE $table SET position = '".intval($nextOrder)."'
  4500. WHERE id_session = $sessionId AND course_code = '".$thisCourseCode."'";
  4501. $sql2 = "UPDATE $table SET position = '".intval($thisOrder)."'
  4502. WHERE id_session = $sessionId AND course_code = '".$nextId."'";
  4503. Database::query($sql1);
  4504. Database::query($sql2);
  4505. return true;
  4506. }
  4507. /**
  4508. * @param int $sessionId
  4509. * @param string $courseCode
  4510. * @return bool
  4511. */
  4512. public static function moveUp($sessionId, $courseCode)
  4513. {
  4514. return self::move('up', $sessionId, $courseCode);
  4515. }
  4516. /**
  4517. * @param int $sessionId
  4518. * @param string $courseCode
  4519. * @return bool
  4520. */
  4521. public static function moveDown($sessionId, $courseCode)
  4522. {
  4523. return self::move('down', $sessionId, $courseCode);
  4524. }
  4525. /**
  4526. * Use the session duration to allow/block user access see BT#8317
  4527. * Needs these DB changes
  4528. * ALTER TABLE session ADD COLUMN duration int;
  4529. * ALTER TABLE session_rel_user ADD COLUMN duration int;
  4530. */
  4531. public static function durationPerUserIsEnabled()
  4532. {
  4533. global $_configuration;
  4534. if (isset($_configuration['session_duration_feature']) &&
  4535. $_configuration['session_duration_feature']
  4536. ) {
  4537. return true;
  4538. }
  4539. return false;
  4540. }
  4541. /**
  4542. * Returns the number of days the student has left in a session when using
  4543. * sessions durations
  4544. * @param int $userId
  4545. * @param int $sessionId
  4546. * @param int $duration in days
  4547. * @return int
  4548. */
  4549. public static function getDayLeftInSession($sessionId, $userId, $duration)
  4550. {
  4551. // Get an array with the details of the first access of the student to
  4552. // this session
  4553. $courseAccess = CourseManager::getFirstCourseAccessPerSessionAndUser(
  4554. $sessionId,
  4555. $userId
  4556. );
  4557. $currentTime = time();
  4558. // If no previous access, return false
  4559. if (count($courseAccess) == 0) {
  4560. return false;
  4561. }
  4562. $firstAccess = api_strtotime($courseAccess['login_course_date'], 'UTC');
  4563. $endDateInSeconds = $firstAccess + $duration*24*60*60;
  4564. $leftDays = round(($endDateInSeconds- $currentTime) / 60 / 60 / 24);
  4565. return $leftDays;
  4566. }
  4567. /**
  4568. * @param int $duration
  4569. * @param int $userId
  4570. * @param int $sessionId
  4571. */
  4572. public static function editUserSessionDuration($duration, $userId, $sessionId)
  4573. {
  4574. $duration = intval($duration);
  4575. $userId = intval($userId);
  4576. $sessionId = intval($sessionId);
  4577. if (empty($userId) || empty($sessionId)) {
  4578. return false;
  4579. }
  4580. $table = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  4581. $parameters = array('duration' => $duration);
  4582. $where = array('id_session = ? AND id_user = ? ' => array($sessionId, $userId));
  4583. Database::update($table, $parameters, $where);
  4584. }
  4585. /**
  4586. * Gets one row from the session_rel_user table
  4587. * @param int The user ID
  4588. * @param int The session ID
  4589. * @return array
  4590. */
  4591. public static function getUserSession($userId, $sessionId)
  4592. {
  4593. $userId = intval($userId);
  4594. $sessionId = intval($sessionId);
  4595. if (empty($userId) || empty($sessionId)) {
  4596. return false;
  4597. }
  4598. $table = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  4599. $sql = "SELECT * FROM $table WHERE id_session =$sessionId AND id_user = $userId";
  4600. $result = Database::query($sql);
  4601. $values = array();
  4602. if (Database::num_rows($result)) {
  4603. $values = Database::fetch_array($result, 'ASSOC');
  4604. }
  4605. return $values;
  4606. }
  4607. /**
  4608. * Check if user is subscribed inside a session as student
  4609. * @param int $sessionId The session id
  4610. * @param int $userId The user id
  4611. * @return boolean Whether is subscribed
  4612. */
  4613. public static function isUserSusbcribedAsStudent($sessionId, $userId) {
  4614. $sessionRelUserTable = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  4615. $sessionId = Database::escape_string($sessionId);
  4616. $userId = Database::escape_string($userId);
  4617. $sql = "SELECT COUNT(1) AS qty FROM $sessionRelUserTable "
  4618. . "WHERE id_session = $sessionId AND id_user = $userId AND relation_type = 0";
  4619. $result = Database::fetch_assoc(Database::query($sql));
  4620. if (!empty($result) && $result['qty'] > 0) {
  4621. return true;
  4622. }
  4623. return false;
  4624. }
  4625. /**
  4626. * Get the formatted date of a session by its start and end date
  4627. * @param array $sessionInfo The session information containing the start and end date
  4628. * @return string The formatted date
  4629. */
  4630. public static function getSessionFormattedDate($sessionInfo)
  4631. {
  4632. if ($sessionInfo['date_start'] == '0000-00-00' && $sessionInfo['date_end'] == '0000-00-00') {
  4633. return get_lang('NoTimeLimits');
  4634. } else {
  4635. $startDate = '';
  4636. $endDate = '';
  4637. if ($sessionInfo['date_start'] != '0000-00-00') {
  4638. $startDate = get_lang('From') . ' ' . api_format_date($sessionInfo['date_start'], DATE_FORMAT_LONG_NO_DAY);
  4639. } else {
  4640. $startDate = '';
  4641. }
  4642. if ($sessionInfo['date_end'] == '0000-00-00') {
  4643. $endDate = '';
  4644. } else {
  4645. $endDate = get_lang('Until') . ' ' . api_format_date($sessionInfo['date_end'], DATE_FORMAT_LONG_NO_DAY);
  4646. }
  4647. return "$startDate $endDate";
  4648. }
  4649. }
  4650. /**
  4651. * Get the session coached by a user
  4652. * @param int $coachId The coach id
  4653. * @param boolean $checkSessionRelUserVisibility Optional. Check the session visibility
  4654. * @return array The session list
  4655. */
  4656. public static function getSessionsCoachedByUser($coachId, $checkSessionRelUserVisibility = false)
  4657. {
  4658. $sessions = self::get_sessions_by_general_coach($coachId);
  4659. $sessionsByCoach = self::get_sessions_by_coach($coachId);
  4660. if (!empty($sessionsByCoach)) {
  4661. $sessions = array_merge($sessions, $sessionsByCoach);
  4662. }
  4663. //Remove repeated sessions
  4664. if (!empty($sessions)) {
  4665. $cleanSessions = array();
  4666. foreach ($sessions as $session) {
  4667. $cleanSessions[$session['id']] = $session;
  4668. }
  4669. $sessions = $cleanSessions;
  4670. }
  4671. if ($checkSessionRelUserVisibility) {
  4672. if (!empty($sessions)) {
  4673. $newSessions = array();
  4674. foreach ($sessions as $session) {
  4675. $visibility = api_get_session_visibility($session['id']);
  4676. if ($visibility == SESSION_INVISIBLE) {
  4677. continue;
  4678. }
  4679. $newSessions[] = $session;
  4680. }
  4681. $sessions = $newSessions;
  4682. }
  4683. }
  4684. return $sessions;
  4685. }
  4686. /**
  4687. * Check if the course belongs to the session
  4688. * @param int $sessionId The session id
  4689. * @param string $courseCode The course code
  4690. */
  4691. public static function sessionHasCourse($sessionId, $courseCode) {
  4692. $sessionId = intval($sessionId);
  4693. $courseCode = Database::escape_string($courseCode);
  4694. $courseTablee = Database::get_main_table(TABLE_MAIN_COURSE);
  4695. $sessionRelCourseTable = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  4696. $sql = "SELECT COUNT(1) AS qty FROM $courseTablee c "
  4697. . "INNER JOIN $sessionRelCourseTable src "
  4698. . "ON c.code = src.course_code "
  4699. . "WHERE src.id_session = $sessionId "
  4700. . "AND c.code = '$courseCode'";
  4701. $result = Database::query($sql);
  4702. if ($result !== false) {
  4703. $data = Database::fetch_assoc($result);
  4704. if ($data['qty'] > 0) {
  4705. return true;
  4706. }
  4707. }
  4708. return false;
  4709. }
  4710. }