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 (empty($sessionId) || empty($userList) || empty($courseInfo)) {
  1560. return false;
  1561. }
  1562. $courseCode = Database::escape_string($courseInfo['code']);
  1563. $statusCondition = null;
  1564. if (isset($status) && !is_null($status)) {
  1565. $status = intval($status);
  1566. $statusCondition = " AND status = $status";
  1567. }
  1568. foreach ($userList as $userId) {
  1569. $userId = intval($userId);
  1570. $sql = "DELETE FROM $table
  1571. WHERE
  1572. id_session='$sessionId' AND
  1573. course_code='$courseCode' AND
  1574. id_user='$userId'
  1575. $statusCondition
  1576. ";
  1577. Database::query($sql);
  1578. }
  1579. if ($updateTotal) {
  1580. // Count users in this session-course relation
  1581. $sql = "SELECT COUNT(id_user) as nbUsers FROM $table
  1582. WHERE
  1583. id_session='$sessionId' AND
  1584. course_code='$courseCode' AND
  1585. status<>2";
  1586. $result = Database::query($sql);
  1587. list($userCount) = Database::fetch_array($result);
  1588. // update the session-course relation to add the users total
  1589. $sql = "UPDATE $tableSessionCourse SET
  1590. nbr_users = $userCount
  1591. WHERE id_session='$sessionId' AND course_code = '$courseCode'";
  1592. Database::query($sql);
  1593. }
  1594. }
  1595. /**
  1596. * Subscribe a user to an specific course inside a session.
  1597. *
  1598. * @param array $user_list
  1599. * @param int $session_id
  1600. * @param string $course_code
  1601. * @param int $session_visibility
  1602. * @param bool $removeUsersNotInList
  1603. * @return bool
  1604. */
  1605. public static function subscribe_users_to_session_course(
  1606. $user_list,
  1607. $session_id,
  1608. $course_code,
  1609. $session_visibility = SESSION_VISIBLE_READ_ONLY,
  1610. $removeUsersNotInList = false
  1611. ) {
  1612. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1613. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1614. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1615. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1616. if (empty($session_id) || empty($course_code)) {
  1617. return false;
  1618. }
  1619. $session_id = intval($session_id);
  1620. $course_code = Database::escape_string($course_code);
  1621. $session_visibility = intval($session_visibility);
  1622. if ($removeUsersNotInList) {
  1623. $courseInfo = api_get_course_info($course_code);
  1624. $currentUsers = self::getUsersByCourseSession($session_id, $courseInfo, 0);
  1625. if (!empty($user_list)) {
  1626. $userToDelete = array_diff($currentUsers, $user_list);
  1627. } else {
  1628. $userToDelete = $currentUsers;
  1629. }
  1630. if (!empty($userToDelete)) {
  1631. self::removeUsersFromCourseSession(
  1632. $userToDelete,
  1633. $session_id,
  1634. $courseInfo,
  1635. 0,
  1636. true
  1637. );
  1638. }
  1639. }
  1640. $nbr_users = 0;
  1641. foreach ($user_list as $enreg_user) {
  1642. $enreg_user = intval($enreg_user);
  1643. // Checking if user exists in session - course - user table.
  1644. $sql = "SELECT count(id_user) as count
  1645. FROM $tbl_session_rel_course_rel_user
  1646. WHERE
  1647. id_session = $session_id AND
  1648. course_code = '$course_code' and
  1649. id_user = $enreg_user ";
  1650. $result = Database::query($sql);
  1651. $count = 0;
  1652. if (Database::num_rows($result) > 0) {
  1653. $row = Database::fetch_array($result, 'ASSOC');
  1654. $count = $row['count'];
  1655. }
  1656. if ($count == 0) {
  1657. $sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user (id_session, course_code, id_user, visibility)
  1658. VALUES ('$session_id','$course_code','$enreg_user','$session_visibility')";
  1659. Database::query($sql);
  1660. if (Database::affected_rows()) {
  1661. $nbr_users++;
  1662. }
  1663. }
  1664. // Checking if user exists in session - user table.
  1665. $sql = "SELECT count(id_user) as count
  1666. FROM $tbl_session_rel_user
  1667. WHERE id_session = $session_id AND id_user = $enreg_user ";
  1668. $result = Database::query($sql);
  1669. $count = 0;
  1670. if (Database::num_rows($result) > 0) {
  1671. $row = Database::fetch_array($result, 'ASSOC');
  1672. $count = $row['count'];
  1673. }
  1674. if (empty($count)) {
  1675. // If user is not registered to a session then add it.
  1676. $sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user)
  1677. VALUES ('$session_id', '$enreg_user')";
  1678. Database::query($sql);
  1679. $sql = "UPDATE $tbl_session SET nbr_users = nbr_users + 1
  1680. WHERE id='$session_id' ";
  1681. Database::query($sql);
  1682. }
  1683. }
  1684. // count users in this session-course relation
  1685. $sql = "SELECT COUNT(id_user) as nbUsers
  1686. FROM $tbl_session_rel_course_rel_user
  1687. WHERE id_session='$session_id' AND course_code='$course_code' AND status<>2";
  1688. $rs = Database::query($sql);
  1689. list($nbr_users) = Database::fetch_array($rs);
  1690. // update the session-course relation to add the users total
  1691. $sql = "UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users
  1692. WHERE id_session='$session_id' AND course_code='$course_code'";
  1693. Database::query($sql);
  1694. }
  1695. /**
  1696. * Unsubscribe user from session
  1697. *
  1698. * @param int Session id
  1699. * @param int User id
  1700. * @return bool True in case of success, false in case of error
  1701. */
  1702. public static function unsubscribe_user_from_session($session_id, $user_id)
  1703. {
  1704. $session_id = (int) $session_id;
  1705. $user_id = (int) $user_id;
  1706. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1707. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1708. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1709. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1710. $delete_sql = "DELETE FROM $tbl_session_rel_user
  1711. WHERE
  1712. id_session = '$session_id' AND
  1713. id_user ='$user_id' AND
  1714. relation_type <> " . SESSION_RELATION_TYPE_RRHH . "";
  1715. Database::query($delete_sql);
  1716. $return = Database::affected_rows();
  1717. // Update number of users
  1718. $sql = "UPDATE $tbl_session
  1719. SET nbr_users = nbr_users - $return
  1720. WHERE id='$session_id' ";
  1721. Database::query($sql);
  1722. // Get the list of courses related to this session
  1723. $course_list = SessionManager::get_course_list_by_session_id($session_id);
  1724. if (!empty($course_list)) {
  1725. foreach ($course_list as $course) {
  1726. $course_code = $course['code'];
  1727. // Delete user from course
  1728. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  1729. WHERE id_session='$session_id' AND course_code='$course_code' AND id_user='$user_id'";
  1730. Database::query($sql);
  1731. if (Database::affected_rows()) {
  1732. // Update number of users in this relation
  1733. $sql = "UPDATE $tbl_session_rel_course SET nbr_users = nbr_users - 1
  1734. WHERE id_session='$session_id' AND course_code='$course_code'";
  1735. Database::query($sql);
  1736. }
  1737. }
  1738. }
  1739. return true;
  1740. }
  1741. /**
  1742. * Subscribes courses to the given session and optionally (default)
  1743. * unsubscribes previous users
  1744. * @author Carlos Vargas from existing code
  1745. * @param int $sessionId
  1746. * @param array $courseList List of courses IDs
  1747. * @param bool $removeExistingCoursesUsers Whether to unsubscribe
  1748. * existing courses and users (true, default) or not (false)
  1749. * @return void Nothing, or false on error
  1750. * */
  1751. public static function add_courses_to_session(
  1752. $sessionId,
  1753. $courseList,
  1754. $removeExistingCoursesWithUsers = true
  1755. ) {
  1756. $sessionId = intval($sessionId);
  1757. if (empty($sessionId) || empty($courseList)) {
  1758. return false;
  1759. }
  1760. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1761. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1762. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1763. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1764. // get list of courses subscribed to this session
  1765. $sql = "SELECT course_code
  1766. FROM $tbl_session_rel_course
  1767. WHERE id_session=$sessionId";
  1768. $rs = Database::query($sql );
  1769. $existingCourses = Database::store_result($rs);
  1770. $nbr_courses = count($existingCourses);
  1771. // get list of users subscribed to this session
  1772. $sql = "SELECT id_user
  1773. FROM $tbl_session_rel_user
  1774. WHERE
  1775. id_session = $sessionId AND
  1776. relation_type<>" . SESSION_RELATION_TYPE_RRHH . "";
  1777. $result = Database::query($sql);
  1778. $user_list = Database::store_result($result);
  1779. // Remove existing courses from the session.
  1780. if ($removeExistingCoursesWithUsers === true) {
  1781. foreach ($existingCourses as $existingCourse) {
  1782. if (!in_array($existingCourse['course_code'], $courseList)) {
  1783. $courseInfo = api_get_course_info($existingCourse['course_code']);
  1784. $sql = "DELETE FROM $tbl_session_rel_course
  1785. WHERE course_code='" . $existingCourse['course_code'] . "' AND id_session=$sessionId";
  1786. Database::query($sql);
  1787. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  1788. WHERE course_code='" . $existingCourse['course_code'] . "' AND id_session=$sessionId";
  1789. Database::query($sql);
  1790. CourseManager::remove_course_ranking(
  1791. $courseInfo['real_id'],
  1792. $sessionId
  1793. );
  1794. $nbr_courses--;
  1795. }
  1796. }
  1797. }
  1798. // Pass through the courses list we want to add to the session
  1799. foreach ($courseList as $enreg_course) {
  1800. $enreg_course = Database::escape_string($enreg_course);
  1801. $exists = false;
  1802. // check if the course we want to add is already subscribed
  1803. foreach ($existingCourses as $existingCourse) {
  1804. if ($enreg_course == $existingCourse['course_code']) {
  1805. $exists = true;
  1806. }
  1807. }
  1808. if (!$exists) {
  1809. //if the course isn't subscribed yet
  1810. $sql = "INSERT INTO $tbl_session_rel_course (id_session, course_code)
  1811. VALUES ('$sessionId','$enreg_course')";
  1812. Database::query($sql);
  1813. //We add the current course in the existing courses array, to avoid adding another time the current course
  1814. $existingCourses[] = array('course_code' => $enreg_course);
  1815. $nbr_courses++;
  1816. // subscribe all the users from the session to this course inside the session
  1817. $nbr_users = 0;
  1818. foreach ($user_list as $enreg_user) {
  1819. $enreg_user_id = Database::escape_string($enreg_user['id_user']);
  1820. $sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user (id_session, course_code, id_user)
  1821. VALUES ('$sessionId','$enreg_course','$enreg_user_id')";
  1822. Database::query($sql);
  1823. if (Database::affected_rows()) {
  1824. $nbr_users++;
  1825. }
  1826. }
  1827. $sql = "UPDATE $tbl_session_rel_course
  1828. SET nbr_users=$nbr_users
  1829. WHERE id_session='$sessionId' AND course_code='$enreg_course'";
  1830. Database::query($sql);
  1831. }
  1832. }
  1833. $sql = "UPDATE $tbl_session
  1834. SET nbr_courses = $nbr_courses
  1835. WHERE id = '$sessionId'";
  1836. Database::query($sql);
  1837. }
  1838. /**
  1839. * Unsubscribe course from a session
  1840. *
  1841. * @param int Session id
  1842. * @param int Course id
  1843. * @return bool True in case of success, false otherwise
  1844. */
  1845. public static function unsubscribe_course_from_session($session_id, $course_id)
  1846. {
  1847. $session_id = (int) $session_id;
  1848. $course_id = (int) $course_id;
  1849. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1850. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1851. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1852. // Get course code
  1853. $course_code = CourseManager::get_course_code_from_course_id($course_id);
  1854. if (empty($course_code)) {
  1855. return false;
  1856. }
  1857. // Unsubscribe course
  1858. $sql = "DELETE FROM $tbl_session_rel_course
  1859. WHERE course_code='$course_code' AND id_session='$session_id'";
  1860. Database::query($sql);
  1861. $nb_affected = Database::affected_rows();
  1862. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  1863. WHERE course_code='$course_code' AND id_session='$session_id'";
  1864. Database::query($sql);
  1865. if ($nb_affected > 0) {
  1866. // Update number of courses in the session
  1867. $sql = "UPDATE $tbl_session SET nbr_courses= nbr_courses + $nb_affected WHERE id='$session_id' ";
  1868. Database::query($sql);
  1869. return true;
  1870. } else {
  1871. return false;
  1872. }
  1873. }
  1874. /**
  1875. * Creates a new extra field for a given session
  1876. * @param string Field's internal variable name
  1877. * @param int Field's type
  1878. * @param string Field's language var name
  1879. * @return int new extra field id
  1880. */
  1881. public static function create_session_extra_field($fieldvarname, $fieldtype, $fieldtitle)
  1882. {
  1883. // database table definition
  1884. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1885. $fieldvarname = Database::escape_string($fieldvarname);
  1886. $fieldtitle = Database::escape_string($fieldtitle);
  1887. $fieldtype = (int) $fieldtype;
  1888. $time = time();
  1889. $sql_field = "SELECT id FROM $t_sf WHERE field_variable = '$fieldvarname'";
  1890. $res_field = Database::query($sql_field);
  1891. $r_field = Database::fetch_row($res_field);
  1892. if (Database::num_rows($res_field) > 0) {
  1893. $field_id = $r_field[0];
  1894. } else {
  1895. // save new fieldlabel into course_field table
  1896. $sql = "SELECT MAX(field_order) FROM $t_sf";
  1897. $res = Database::query($sql);
  1898. $order = 0;
  1899. if (Database::num_rows($res) > 0) {
  1900. $row = Database::fetch_row($res);
  1901. $order = $row[0] + 1;
  1902. }
  1903. $sql = "INSERT INTO $t_sf SET
  1904. field_type = '$fieldtype',
  1905. field_variable = '$fieldvarname',
  1906. field_display_text = '$fieldtitle',
  1907. field_order = '$order',
  1908. tms = FROM_UNIXTIME($time)";
  1909. Database::query($sql);
  1910. $field_id = Database::insert_id();
  1911. }
  1912. return $field_id;
  1913. }
  1914. /**
  1915. * Update an extra field value for a given session
  1916. * @param integer Course ID
  1917. * @param string Field variable name
  1918. * @param string Field value
  1919. * @return boolean true if field updated, false otherwise
  1920. */
  1921. public static function update_session_extra_field_value($session_id, $fname, $fvalue = '')
  1922. {
  1923. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1924. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1925. $fname = Database::escape_string($fname);
  1926. $session_id = (int) $session_id;
  1927. $fvalues = '';
  1928. if (is_array($fvalue)) {
  1929. foreach ($fvalue as $val) {
  1930. $fvalues .= Database::escape_string($val) . ';';
  1931. }
  1932. if (!empty($fvalues)) {
  1933. $fvalues = substr($fvalues, 0, -1);
  1934. }
  1935. } else {
  1936. $fvalues = Database::escape_string($fvalue);
  1937. }
  1938. $sqlsf = "SELECT * FROM $t_sf WHERE field_variable='$fname'";
  1939. $ressf = Database::query($sqlsf);
  1940. if (Database::num_rows($ressf) == 1) {
  1941. //ok, the field exists
  1942. // Check if enumerated field, if the option is available
  1943. $rowsf = Database::fetch_array($ressf);
  1944. $tms = time();
  1945. $sqlsfv = "SELECT * FROM $t_sfv WHERE session_id = '$session_id' AND field_id = '" . $rowsf['id'] . "' ORDER BY id";
  1946. $ressfv = Database::query($sqlsfv);
  1947. $n = Database::num_rows($ressfv);
  1948. if ($n > 1) {
  1949. //problem, we already have to values for this field and user combination - keep last one
  1950. while ($rowsfv = Database::fetch_array($ressfv)) {
  1951. if ($n > 1) {
  1952. $sqld = "DELETE FROM $t_sfv WHERE id = " . $rowsfv['id'];
  1953. $resd = Database::query($sqld);
  1954. $n--;
  1955. }
  1956. $rowsfv = Database::fetch_array($ressfv);
  1957. if ($rowsfv['field_value'] != $fvalues) {
  1958. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = FROM_UNIXTIME($tms) WHERE id = " . $rowsfv['id'];
  1959. $resu = Database::query($sqlu);
  1960. return($resu ? true : false);
  1961. }
  1962. return true;
  1963. }
  1964. } else if ($n == 1) {
  1965. //we need to update the current record
  1966. $rowsfv = Database::fetch_array($ressfv);
  1967. if ($rowsfv['field_value'] != $fvalues) {
  1968. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = FROM_UNIXTIME($tms) WHERE id = " . $rowsfv['id'];
  1969. //error_log('UM::update_extra_field_value: '.$sqlu);
  1970. $resu = Database::query($sqlu);
  1971. return($resu ? true : false);
  1972. }
  1973. return true;
  1974. } else {
  1975. $sqli = "INSERT INTO $t_sfv (session_id,field_id,field_value,tms) " .
  1976. "VALUES ('$session_id'," . $rowsf['id'] . ",'$fvalues',FROM_UNIXTIME($tms))";
  1977. //error_log('UM::update_extra_field_value: '.$sqli);
  1978. $resi = Database::query($sqli);
  1979. return($resi ? true : false);
  1980. }
  1981. } else {
  1982. return false; //field not found
  1983. }
  1984. }
  1985. /**
  1986. * Checks the relationship between a session and a course.
  1987. * @param int $session_id
  1988. * @param string $course_id (course code)
  1989. * @return bool Returns TRUE if the session and the course are related, FALSE otherwise.
  1990. * */
  1991. public static function relation_session_course_exist($session_id, $course_id)
  1992. {
  1993. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1994. $return_value = false;
  1995. $sql = "SELECT course_code FROM $tbl_session_course
  1996. WHERE
  1997. id_session = " . Database::escape_string($session_id) . " AND
  1998. course_code = '" . Database::escape_string($course_id) . "'";
  1999. $result = Database::query($sql);
  2000. $num = Database::num_rows($result);
  2001. if ($num > 0) {
  2002. $return_value = true;
  2003. }
  2004. return $return_value;
  2005. }
  2006. /**
  2007. * Get the session information by name
  2008. * @param string session name
  2009. * @return mixed false if the session does not exist, array if the session exist
  2010. * */
  2011. public static function get_session_by_name($session_name)
  2012. {
  2013. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2014. $session_name = trim($session_name);
  2015. if (empty($session_name)) {
  2016. return false;
  2017. }
  2018. $sql = 'SELECT *
  2019. FROM ' . $tbl_session . '
  2020. WHERE name = "' . Database::escape_string($session_name) . '"';
  2021. $result = Database::query($sql);
  2022. $num = Database::num_rows($result);
  2023. if ($num > 0) {
  2024. return Database::fetch_array($result);
  2025. } else {
  2026. return false;
  2027. }
  2028. }
  2029. /**
  2030. * Create a session category
  2031. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  2032. * @param string name
  2033. * @param integer year_start
  2034. * @param integer month_start
  2035. * @param integer day_start
  2036. * @param integer year_end
  2037. * @param integer month_end
  2038. * @param integer day_end
  2039. * @return $id_session;
  2040. * */
  2041. public static function create_category_session($sname, $syear_start, $smonth_start, $sday_start, $syear_end, $smonth_end, $sday_end)
  2042. {
  2043. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2044. $name = trim($sname);
  2045. $year_start = intval($syear_start);
  2046. $month_start = intval($smonth_start);
  2047. $day_start = intval($sday_start);
  2048. $year_end = intval($syear_end);
  2049. $month_end = intval($smonth_end);
  2050. $day_end = intval($sday_end);
  2051. $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
  2052. $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
  2053. if (empty($name)) {
  2054. $msg = get_lang('SessionCategoryNameIsRequired');
  2055. return $msg;
  2056. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start)) {
  2057. $msg = get_lang('InvalidStartDate');
  2058. return $msg;
  2059. } elseif (!$month_end && !$day_end && !$year_end) {
  2060. $date_end = "null";
  2061. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end)) {
  2062. $msg = get_lang('InvalidEndDate');
  2063. return $msg;
  2064. } elseif ($date_start >= $date_end) {
  2065. $msg = get_lang('StartDateShouldBeBeforeEndDate');
  2066. return $msg;
  2067. }
  2068. $access_url_id = api_get_current_access_url_id();
  2069. $sql = "INSERT INTO $tbl_session_category (name, date_start, date_end, access_url_id)
  2070. VALUES('" . Database::escape_string($name) . "','$date_start','$date_end', '$access_url_id')";
  2071. Database::query($sql);
  2072. $id_session = Database::insert_id();
  2073. // Add event to system log
  2074. $user_id = api_get_user_id();
  2075. event_system(LOG_SESSION_CATEGORY_CREATE, LOG_SESSION_CATEGORY_ID, $id_session, api_get_utc_datetime(), $user_id);
  2076. return $id_session;
  2077. }
  2078. /**
  2079. * Edit a sessions categories
  2080. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>,from existing code
  2081. * @param integer id
  2082. * @param string name
  2083. * @param integer year_start
  2084. * @param integer month_start
  2085. * @param integer day_start
  2086. * @param integer year_end
  2087. * @param integer month_end
  2088. * @param integer day_end
  2089. * @return $id;
  2090. * The parameter id is a primary key
  2091. * */
  2092. public static function edit_category_session($id, $sname, $syear_start, $smonth_start, $sday_start, $syear_end, $smonth_end, $sday_end)
  2093. {
  2094. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2095. $name = trim($sname);
  2096. $year_start = intval($syear_start);
  2097. $month_start = intval($smonth_start);
  2098. $day_start = intval($sday_start);
  2099. $year_end = intval($syear_end);
  2100. $month_end = intval($smonth_end);
  2101. $day_end = intval($sday_end);
  2102. $id = intval($id);
  2103. $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
  2104. $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
  2105. if (empty($name)) {
  2106. $msg = get_lang('SessionCategoryNameIsRequired');
  2107. return $msg;
  2108. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start)) {
  2109. $msg = get_lang('InvalidStartDate');
  2110. return $msg;
  2111. } elseif (!$month_end && !$day_end && !$year_end) {
  2112. $date_end = null;
  2113. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end)) {
  2114. $msg = get_lang('InvalidEndDate');
  2115. return $msg;
  2116. } elseif ($date_start >= $date_end) {
  2117. $msg = get_lang('StartDateShouldBeBeforeEndDate');
  2118. return $msg;
  2119. }
  2120. if ($date_end <> null) {
  2121. $sql = "UPDATE $tbl_session_category SET name = '" . Database::escape_string($name) . "', date_start = '$date_start' " .
  2122. ", date_end = '$date_end' WHERE id= '" . $id . "' ";
  2123. } else {
  2124. $sql = "UPDATE $tbl_session_category SET name = '" . Database::escape_string($name) . "', date_start = '$date_start' " .
  2125. ", date_end = NULL WHERE id= '" . $id . "' ";
  2126. }
  2127. $result = Database::query($sql);
  2128. return ($result ? true : false);
  2129. }
  2130. /**
  2131. * Delete sessions categories
  2132. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  2133. * @param array id_checked
  2134. * @param bool include delete session
  2135. * @param bool optional, true if the function is called by a webservice, false otherwise.
  2136. * @return void Nothing, or false on error
  2137. * The parameters is a array to delete sessions
  2138. * */
  2139. public static function delete_session_category($id_checked, $delete_session = false, $from_ws = false)
  2140. {
  2141. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2142. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2143. if (is_array($id_checked)) {
  2144. $id_checked = Database::escape_string(implode(',', $id_checked));
  2145. } else {
  2146. $id_checked = intval($id_checked);
  2147. }
  2148. //Setting session_category_id to 0
  2149. $sql = "UPDATE $tbl_session SET session_category_id = 0
  2150. WHERE session_category_id IN (" . $id_checked . ")";
  2151. Database::query($sql);
  2152. $sql = "SELECT id FROM $tbl_session WHERE session_category_id IN (" . $id_checked . ")";
  2153. $result = Database::query($sql);
  2154. while ($rows = Database::fetch_array($result)) {
  2155. $session_id = $rows['id'];
  2156. if ($delete_session) {
  2157. if ($from_ws) {
  2158. SessionManager::delete_session($session_id, true);
  2159. } else {
  2160. SessionManager::delete_session($session_id);
  2161. }
  2162. }
  2163. }
  2164. $sql = "DELETE FROM $tbl_session_category WHERE id IN (" . $id_checked . ")";
  2165. Database::query($sql);
  2166. // Add event to system log
  2167. $user_id = api_get_user_id();
  2168. event_system(
  2169. LOG_SESSION_CATEGORY_DELETE,
  2170. LOG_SESSION_CATEGORY_ID,
  2171. $id_checked,
  2172. api_get_utc_datetime(),
  2173. $user_id
  2174. );
  2175. return true;
  2176. }
  2177. /**
  2178. * Get a list of sessions of which the given conditions match with an = 'cond'
  2179. * @param array $conditions a list of condition example :
  2180. * array('status' => STUDENT) or array('s.name LIKE' => "%$needle%")
  2181. * @param array $order_by a list of fields on which sort
  2182. * @return array An array with all sessions of the platform.
  2183. * @todo optional course code parameter, optional sorting parameters...
  2184. */
  2185. public static function get_sessions_list($conditions = array(), $order_by = array())
  2186. {
  2187. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2188. $session_category_table = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2189. $user_table = Database::get_main_table(TABLE_MAIN_USER);
  2190. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2191. $session_course_table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2192. $course_table = Database::get_main_table(TABLE_MAIN_COURSE);
  2193. $access_url_id = api_get_current_access_url_id();
  2194. $return_array = array();
  2195. $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
  2196. FROM $session_table s
  2197. INNER JOIN $user_table u ON s.id_coach = u.user_id
  2198. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  2199. LEFT JOIN $session_category_table sc ON s.session_category_id = sc.id
  2200. LEFT JOIN $session_course_table sco ON (sco.id_session = s.id)
  2201. INNER JOIN $course_table c ON sco.course_code = c.code
  2202. WHERE ar.access_url_id = $access_url_id ";
  2203. if (count($conditions) > 0) {
  2204. foreach ($conditions as $field => $value) {
  2205. $sql_query .= ' AND ';
  2206. $field = Database::escape_string($field);
  2207. $value = Database::escape_string($value);
  2208. $sql_query .= $field . " '" . $value . "'";
  2209. }
  2210. }
  2211. if (count($order_by) > 0) {
  2212. $sql_query .= ' ORDER BY ' . Database::escape_string(implode(',', $order_by));
  2213. }
  2214. $sql_result = Database::query($sql_query);
  2215. if (Database::num_rows($sql_result) > 0) {
  2216. while ($result = Database::fetch_array($sql_result)) {
  2217. $return_array[$result['id']] = $result;
  2218. }
  2219. }
  2220. return $return_array;
  2221. }
  2222. /**
  2223. * Get the session category information by id
  2224. * @param string session category ID
  2225. * @return mixed false if the session category does not exist, array if the session category exists
  2226. */
  2227. public static function get_session_category($id)
  2228. {
  2229. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2230. $id = intval($id);
  2231. $sql = "SELECT id, name, date_start, date_end FROM $tbl_session_category WHERE id= $id";
  2232. $result = Database::query($sql);
  2233. $num = Database::num_rows($result);
  2234. if ($num > 0) {
  2235. return Database::fetch_array($result);
  2236. } else {
  2237. return false;
  2238. }
  2239. }
  2240. /**
  2241. * Get all session categories (filter by access_url_id)
  2242. * @return mixed false if the session category does not exist, array if the session category exists
  2243. */
  2244. public static function get_all_session_category()
  2245. {
  2246. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2247. $id = api_get_current_access_url_id();
  2248. $sql = 'SELECT * FROM ' . $tbl_session_category . ' WHERE access_url_id ="' . $id . '" ORDER BY name ASC';
  2249. $result = Database::query($sql);
  2250. if (Database::num_rows($result) > 0) {
  2251. $data = Database::store_result($result, 'ASSOC');
  2252. return $data;
  2253. } else {
  2254. return false;
  2255. }
  2256. }
  2257. /**
  2258. * Assign a coach to course in session with status = 2
  2259. * @param int - user id
  2260. * @param int - session id
  2261. * @param string - course code
  2262. * @param bool - optional, if is true the user don't be a coach now, otherwise it'll assign a coach
  2263. * @return bool true if there are affected rows, otherwise false
  2264. */
  2265. public static function set_coach_to_course_session(
  2266. $user_id,
  2267. $session_id = 0,
  2268. $course_code = '',
  2269. $nocoach = false
  2270. ) {
  2271. // Definition of variables
  2272. $user_id = intval($user_id);
  2273. if (!empty($session_id)) {
  2274. $session_id = intval($session_id);
  2275. } else {
  2276. $session_id = api_get_session_id();
  2277. }
  2278. if (!empty($course_code)) {
  2279. $course_code = Database::escape_string($course_code);
  2280. } else {
  2281. $course_code = api_get_course_id();
  2282. }
  2283. // Table definition
  2284. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2285. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2286. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2287. // check if user is a teacher
  2288. $sql = "SELECT * FROM $tbl_user WHERE status='1' AND user_id = '$user_id'";
  2289. $rs_check_user = Database::query($sql);
  2290. if (Database::num_rows($rs_check_user) > 0) {
  2291. if ($nocoach) {
  2292. // check if user_id exits int session_rel_user
  2293. $sql = "SELECT id_user FROM $tbl_session_rel_user
  2294. WHERE id_session = '$session_id' AND id_user = '$user_id'";
  2295. $res = Database::query($sql);
  2296. if (Database::num_rows($res) > 0) {
  2297. // The user don't be a coach now
  2298. $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 0
  2299. WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  2300. Database::query($sql);
  2301. if (Database::affected_rows() > 0)
  2302. return true;
  2303. else
  2304. return false;
  2305. } else {
  2306. // The user don't be a coach now
  2307. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  2308. WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  2309. Database::query($sql);
  2310. if (Database::affected_rows() > 0)
  2311. return true;
  2312. else
  2313. return false;
  2314. }
  2315. } else {
  2316. // Assign user like a coach to course
  2317. // First check if the user is registered in the course
  2318. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user
  2319. WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id'";
  2320. $rs_check = Database::query($sql);
  2321. // Then update or insert.
  2322. if (Database::num_rows($rs_check) > 0) {
  2323. $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 2
  2324. WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  2325. Database::query($sql);
  2326. if (Database::affected_rows() > 0) {
  2327. return true;
  2328. } else {
  2329. return false;
  2330. }
  2331. } else {
  2332. $sql = "INSERT INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, status)
  2333. VALUES('$session_id', '$course_code', '$user_id', 2)";
  2334. Database::query($sql);
  2335. if (Database::affected_rows() > 0) {
  2336. return true;
  2337. } else {
  2338. return false;
  2339. }
  2340. }
  2341. }
  2342. } else {
  2343. return false;
  2344. }
  2345. }
  2346. /**
  2347. * Subscribes sessions to human resource manager (Dashboard feature)
  2348. * @param array $userInfo Human Resource Manager info
  2349. * @param array $sessions_list Sessions id
  2350. * @param bool $sendEmail
  2351. * @param bool $removeOldConnections
  2352. * @return int
  2353. * */
  2354. public static function suscribe_sessions_to_hr_manager(
  2355. $userInfo,
  2356. $sessions_list,
  2357. $sendEmail = false,
  2358. $removeOldConnections = true
  2359. ) {
  2360. // Database Table Definitions
  2361. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2362. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2363. if (empty($userInfo)) {
  2364. return 0;
  2365. }
  2366. $userId = $userInfo['user_id'];
  2367. // Only subscribe DRH users.
  2368. if ($userInfo['status'] != DRH) {
  2369. return 0;
  2370. }
  2371. $affected_rows = 0;
  2372. // Deleting assigned sessions to hrm_id.
  2373. if ($removeOldConnections) {
  2374. if (api_is_multiple_url_enabled()) {
  2375. $sql = "SELECT id_session
  2376. FROM $tbl_session_rel_user s
  2377. INNER JOIN $tbl_session_rel_access_url a ON (a.session_id = s.id_session)
  2378. WHERE
  2379. id_user = $userId AND
  2380. relation_type=" . SESSION_RELATION_TYPE_RRHH . " AND
  2381. access_url_id = " . api_get_current_access_url_id() . "";
  2382. } else {
  2383. $sql = "SELECT id_session FROM $tbl_session_rel_user s
  2384. WHERE id_user = $userId AND relation_type=" . SESSION_RELATION_TYPE_RRHH . "";
  2385. }
  2386. $result = Database::query($sql);
  2387. if (Database::num_rows($result) > 0) {
  2388. while ($row = Database::fetch_array($result)) {
  2389. $sql = "DELETE FROM $tbl_session_rel_user
  2390. WHERE
  2391. id_session = {$row['id_session']} AND
  2392. id_user = $userId AND
  2393. relation_type=" . SESSION_RELATION_TYPE_RRHH . " ";
  2394. Database::query($sql);
  2395. }
  2396. }
  2397. }
  2398. // Inserting new sessions list.
  2399. if (!empty($sessions_list) && is_array($sessions_list)) {
  2400. foreach ($sessions_list as $session_id) {
  2401. $session_id = intval($session_id);
  2402. $sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user, relation_type)
  2403. VALUES ($session_id, $userId, '" . SESSION_RELATION_TYPE_RRHH . "')";
  2404. Database::query($sql);
  2405. $affected_rows++;
  2406. }
  2407. }
  2408. return $affected_rows;
  2409. }
  2410. /**
  2411. * @param int $sessionId
  2412. * @return array
  2413. */
  2414. public static function getDrhUsersInSession($sessionId)
  2415. {
  2416. return self::get_users_by_session($sessionId, SESSION_RELATION_TYPE_RRHH);
  2417. }
  2418. /**
  2419. * @param int $userId
  2420. * @param int $sessionId
  2421. * @return array
  2422. */
  2423. public static function getSessionFollowedByDrh($userId, $sessionId)
  2424. {
  2425. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2426. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2427. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2428. $userId = intval($userId);
  2429. $sessionId = intval($sessionId);
  2430. $select = " SELECT * ";
  2431. if (api_is_multiple_url_enabled()) {
  2432. $sql = " $select FROM $tbl_session s
  2433. INNER JOIN $tbl_session_rel_user sru ON (sru.id_session = s.id)
  2434. LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
  2435. WHERE
  2436. sru.id_user = '$userId' AND
  2437. sru.id_session = '$sessionId' AND
  2438. sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "' AND
  2439. access_url_id = " . api_get_current_access_url_id() . "
  2440. ";
  2441. } else {
  2442. $sql = "$select FROM $tbl_session s
  2443. INNER JOIN $tbl_session_rel_user sru
  2444. ON
  2445. sru.id_session = s.id AND
  2446. sru.id_user = '$userId' AND
  2447. sru.id_session = '$sessionId' AND
  2448. sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "'
  2449. ";
  2450. }
  2451. $result = Database::query($sql);
  2452. if (Database::num_rows($result)) {
  2453. $row = Database::fetch_array($result, 'ASSOC');
  2454. $row['course_list'] = self::get_course_list_by_session_id($sessionId);
  2455. return $row;
  2456. }
  2457. return array();
  2458. }
  2459. /**
  2460. * Get sessions followed by human resources manager
  2461. * @param int $userId
  2462. * @param int $start
  2463. * @param int $limit
  2464. * @param bool $getCount
  2465. * @param bool $getOnlySessionId
  2466. * @param bool $getSql
  2467. * @param string $orderCondition
  2468. * @return array sessions
  2469. */
  2470. public static function get_sessions_followed_by_drh(
  2471. $userId,
  2472. $start = null,
  2473. $limit = null,
  2474. $getCount = false,
  2475. $getOnlySessionId = false,
  2476. $getSql = false,
  2477. $orderCondition = null,
  2478. $keyword = null
  2479. ) {
  2480. return self::getSessionsFollowedByUser(
  2481. $userId,
  2482. DRH,
  2483. $start,
  2484. $limit,
  2485. $getCount,
  2486. $getOnlySessionId,
  2487. $getSql,
  2488. $orderCondition,
  2489. $keyword
  2490. );
  2491. }
  2492. /**
  2493. * Get sessions followed by human resources manager
  2494. * @param int $userId
  2495. * @param int $start
  2496. * @param int $limit
  2497. * @param bool $getCount
  2498. * @param bool $getOnlySessionId
  2499. * @param bool $getSql
  2500. * @param string $orderCondition
  2501. * @param string $keyword
  2502. * @return array sessions
  2503. */
  2504. public static function getSessionsFollowedByUser(
  2505. $userId,
  2506. $status = null,
  2507. $start = null,
  2508. $limit = null,
  2509. $getCount = false,
  2510. $getOnlySessionId = false,
  2511. $getSql = false,
  2512. $orderCondition = null,
  2513. $keyword = null
  2514. ) {
  2515. // Database Table Definitions
  2516. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2517. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2518. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2519. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2520. $userId = intval($userId);
  2521. $select = " SELECT DISTINCT * ";
  2522. if ($getCount) {
  2523. $select = " SELECT count(DISTINCT(s.id)) as count ";
  2524. }
  2525. if ($getOnlySessionId) {
  2526. $select = " SELECT DISTINCT(s.id) ";
  2527. }
  2528. $limitCondition = null;
  2529. if (!empty($start) && !empty($limit)) {
  2530. $limitCondition = " LIMIT " . intval($start) . ", " . intval($limit);
  2531. }
  2532. if (empty($orderCondition)) {
  2533. $orderCondition = " ORDER BY s.name ";
  2534. }
  2535. $whereConditions = null;
  2536. $sessionCourseConditions = null;
  2537. $sessionConditions = null;
  2538. $sessionQuery = null;
  2539. $courseSessionQuery = null;
  2540. switch ($status) {
  2541. case DRH:
  2542. $sessionQuery = "SELECT sru.id_session
  2543. FROM
  2544. $tbl_session_rel_user sru
  2545. WHERE
  2546. sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' AND
  2547. sru.id_user = $userId";
  2548. break;
  2549. case COURSEMANAGER:
  2550. $courseSessionQuery = "
  2551. SELECT scu.id_session as id
  2552. FROM $tbl_session_rel_course_rel_user scu
  2553. WHERE (scu.status = 2 AND scu.id_user = $userId)";
  2554. $whereConditions = " OR (s.id_coach = $userId) ";
  2555. break;
  2556. default:
  2557. $sessionQuery = "SELECT sru.id_session
  2558. FROM
  2559. $tbl_session_rel_user sru
  2560. WHERE
  2561. sru.id_user = $userId";
  2562. break;
  2563. }
  2564. $keywordCondition = null;
  2565. if (!empty($keyword)) {
  2566. $keyword = Database::escape_string($keyword);
  2567. $keywordCondition = " AND (s.name LIKE '%$keyword%' ) ";
  2568. }
  2569. $whereConditions .= $keywordCondition;
  2570. $subQuery = $sessionQuery.$courseSessionQuery;
  2571. $sql = " $select FROM $tbl_session s
  2572. INNER JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
  2573. WHERE
  2574. access_url_id = ".api_get_current_access_url_id()." AND
  2575. s.id IN (
  2576. $subQuery
  2577. )
  2578. $whereConditions
  2579. $orderCondition
  2580. $limitCondition";
  2581. if ($getSql) {
  2582. return $sql;
  2583. }
  2584. $result = Database::query($sql);
  2585. if ($getCount) {
  2586. $row = Database::fetch_array($result);
  2587. return $row['count'];
  2588. }
  2589. $sessions = array();
  2590. if (Database::num_rows($result) > 0) {
  2591. while ($row = Database::fetch_array($result)) {
  2592. $sessions[$row['id']] = $row;
  2593. }
  2594. }
  2595. return $sessions;
  2596. }
  2597. /**
  2598. * Gets the list of courses by session filtered by access_url
  2599. * @param int $session_id
  2600. * @param string $course_name
  2601. * @return array list of courses
  2602. */
  2603. public static function get_course_list_by_session_id(
  2604. $session_id,
  2605. $course_name = '',
  2606. $orderBy = null
  2607. ) {
  2608. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2609. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2610. $session_id = intval($session_id);
  2611. // select the courses
  2612. $sql = "SELECT * FROM $tbl_course c
  2613. INNER JOIN $tbl_session_rel_course src ON c.code = src.course_code
  2614. WHERE src.id_session = '$session_id' ";
  2615. if (!empty($course_name)) {
  2616. $course_name = Database::escape_string($course_name);
  2617. $sql .= " AND c.title LIKE '%$course_name%' ";
  2618. }
  2619. if (!empty($orderBy)) {
  2620. $orderBy = Database::escape_string($orderBy);
  2621. $orderBy = " ORDER BY $orderBy";
  2622. } else {
  2623. if (SessionManager::orderCourseIsEnabled()) {
  2624. $orderBy .= " ORDER BY position ";
  2625. } else {
  2626. $orderBy .= " ORDER BY title ";
  2627. }
  2628. }
  2629. $sql .= Database::escape_string($orderBy);
  2630. $result = Database::query($sql);
  2631. $num_rows = Database::num_rows($result);
  2632. $courses = array();
  2633. if ($num_rows > 0) {
  2634. while ($row = Database::fetch_array($result,'ASSOC')) {
  2635. $courses[$row['id']] = $row;
  2636. }
  2637. }
  2638. return $courses;
  2639. }
  2640. /**
  2641. * Gets the list of courses by session filtered by access_url
  2642. *
  2643. * @param $userId
  2644. * @param $sessionId
  2645. * @param null $from
  2646. * @param null $limit
  2647. * @param null $column
  2648. * @param null $direction
  2649. * @param bool $getCount
  2650. * @return array
  2651. */
  2652. public static function getAllCoursesFollowedByUser(
  2653. $userId,
  2654. $sessionId,
  2655. $from = null,
  2656. $limit = null,
  2657. $column = null,
  2658. $direction = null,
  2659. $getCount = false,
  2660. $keyword = null
  2661. ) {
  2662. if (empty($sessionId)) {
  2663. $sessionsSQL = SessionManager::get_sessions_followed_by_drh(
  2664. $userId,
  2665. null,
  2666. null,
  2667. null,
  2668. true,
  2669. true
  2670. );
  2671. } else {
  2672. $sessionsSQL = intval($sessionId);
  2673. }
  2674. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2675. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2676. if ($getCount) {
  2677. $select = "SELECT COUNT(DISTINCT(c.code)) as count ";
  2678. } else {
  2679. $select = "SELECT DISTINCT c.* ";
  2680. }
  2681. $keywordCondition = null;
  2682. if (!empty($keyword)) {
  2683. $keyword = Database::escape_string($keyword);
  2684. $keywordCondition = " AND (c.code LIKE '%$keyword%' OR c.title LIKE '%$keyword%' ) ";
  2685. }
  2686. // Select the courses
  2687. $sql = "$select
  2688. FROM $tbl_course c
  2689. INNER JOIN $tbl_session_rel_course src
  2690. ON c.code = src.course_code
  2691. WHERE
  2692. src.id_session IN ($sessionsSQL)
  2693. $keywordCondition
  2694. ";
  2695. if ($getCount) {
  2696. $result = Database::query($sql);
  2697. $row = Database::fetch_array($result,'ASSOC');
  2698. return $row['count'];
  2699. }
  2700. if (isset($from) && isset($limit)) {
  2701. $from = intval($from);
  2702. $limit = intval($limit);
  2703. $sql .= " LIMIT $from, $limit";
  2704. }
  2705. $result = Database::query($sql);
  2706. $num_rows = Database::num_rows($result);
  2707. $courses = array();
  2708. if ($num_rows > 0) {
  2709. while ($row = Database::fetch_array($result,'ASSOC')) {
  2710. $courses[$row['id']] = $row;
  2711. }
  2712. }
  2713. return $courses;
  2714. }
  2715. /**
  2716. * Gets the list of courses by session filtered by access_url
  2717. * @param int session id
  2718. * @param string course_name
  2719. * @return array list of courses
  2720. */
  2721. public static function get_course_list_by_session_id_like($session_id, $course_name = '')
  2722. {
  2723. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2724. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2725. $session_id = intval($session_id);
  2726. $course_name = Database::escape_string($course_name);
  2727. // select the courses
  2728. $sql = "SELECT * FROM $tbl_course c
  2729. INNER JOIN $tbl_session_rel_course src
  2730. ON c.code = src.course_code
  2731. WHERE src.id_session LIKE '$session_id'";
  2732. if (!empty($course_name)) {
  2733. $sql .= " AND UPPER(c.title) LIKE UPPER('%$course_name%') ";
  2734. }
  2735. $sql .= "ORDER BY title;";
  2736. $result = Database::query($sql);
  2737. $num_rows = Database::num_rows($result);
  2738. $courses = array();
  2739. if ($num_rows > 0) {
  2740. while ($row = Database::fetch_array($result, 'ASSOC')) {
  2741. $courses[$row['id']] = $row;
  2742. }
  2743. }
  2744. return $courses;
  2745. }
  2746. /**
  2747. * Gets the count of courses by session filtered by access_url
  2748. * @param int session id
  2749. * @return array list of courses
  2750. */
  2751. public static function getCourseCountBySessionId($session_id, $keyword = null)
  2752. {
  2753. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2754. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2755. $session_id = intval($session_id);
  2756. // select the courses
  2757. $sql = "SELECT COUNT(c.code) count
  2758. FROM $tbl_course c
  2759. INNER JOIN $tbl_session_rel_course src
  2760. ON c.code = src.course_code
  2761. WHERE src.id_session = '$session_id' ";
  2762. $keywordCondition = null;
  2763. if (!empty($keyword)) {
  2764. $keyword = Database::escape_string($keyword);
  2765. $keywordCondition = " AND (c.code LIKE '%$keyword%' OR c.title LIKE '%$keyword%' ) ";
  2766. }
  2767. $sql .= $keywordCondition;
  2768. $result = Database::query($sql);
  2769. $num_rows = Database::num_rows($result);
  2770. if ($num_rows > 0) {
  2771. $row = Database::fetch_array($result,'ASSOC');
  2772. return $row['count'];
  2773. }
  2774. return null;
  2775. }
  2776. /**
  2777. * Get the session id based on the original id and field name in the extra fields.
  2778. * Returns 0 if session was not found
  2779. *
  2780. * @param string $original_session_id_value Original session id
  2781. * @param string $original_session_id_name Original field name
  2782. * @return int Session id
  2783. */
  2784. public static function get_session_id_from_original_id($original_session_id_value, $original_session_id_name)
  2785. {
  2786. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  2787. $table_field = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  2788. $original_session_id_value = Database::escape_string($original_session_id_value);
  2789. $original_session_id_name = Database::escape_string($original_session_id_name);
  2790. $sql = "SELECT session_id
  2791. FROM $table_field sf INNER JOIN $t_sfv sfv ON sfv.field_id=sf.id
  2792. WHERE
  2793. field_variable='$original_session_id_name' AND
  2794. field_value='$original_session_id_value'";
  2795. $res_session = Database::query($sql);
  2796. $row = Database::fetch_object($res_session);
  2797. if ($row) {
  2798. return $row->session_id;
  2799. } else {
  2800. return 0;
  2801. }
  2802. }
  2803. /**
  2804. * Get users by session
  2805. * @param int $id session id
  2806. * @param int $status filter by status coach = 2
  2807. * @return array a list with an user list
  2808. */
  2809. public static function get_users_by_session($id, $status = null)
  2810. {
  2811. if (empty($id)) {
  2812. return array();
  2813. }
  2814. $id = intval($id);
  2815. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2816. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2817. $table_access_url_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  2818. $sql = "SELECT u.user_id, lastname, firstname, username, relation_type, access_url_id
  2819. FROM $tbl_user u
  2820. INNER JOIN $tbl_session_rel_user
  2821. ON u.user_id = $tbl_session_rel_user.id_user AND
  2822. $tbl_session_rel_user.id_session = $id
  2823. LEFT OUTER JOIN $table_access_url_user uu ON (uu.user_id = u.user_id)
  2824. ";
  2825. $urlId = api_get_current_access_url_id();
  2826. if (isset($status) && $status != '') {
  2827. $status = intval($status);
  2828. $sql .= " WHERE relation_type = $status (access_url_id = $urlId OR access_url_id is null )";
  2829. } else {
  2830. $sql .= " WHERE (access_url_id = $urlId OR access_url_id is null )";
  2831. }
  2832. $sql .= " ORDER BY relation_type, ";
  2833. $sql .= api_sort_by_first_name() ? ' firstname, lastname' : ' lastname, firstname';
  2834. $result = Database::query($sql);
  2835. $return_array = array();
  2836. while ($row = Database::fetch_array($result, 'ASSOC')) {
  2837. $return_array[] = $row;
  2838. }
  2839. return $return_array;
  2840. }
  2841. /**
  2842. * The general coach (field: session.id_coach)
  2843. * @param int $user_id user id
  2844. * @return array
  2845. */
  2846. public static function get_sessions_by_general_coach($user_id)
  2847. {
  2848. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2849. $user_id = intval($user_id);
  2850. // Session where we are general coach
  2851. $sql = "SELECT DISTINCT *
  2852. FROM $session_table
  2853. WHERE id_coach = $user_id";
  2854. if (api_is_multiple_url_enabled()) {
  2855. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2856. $access_url_id = api_get_current_access_url_id();
  2857. if ($access_url_id != -1) {
  2858. $sql = 'SELECT DISTINCT session.*
  2859. FROM ' . $session_table . ' session INNER JOIN ' . $tbl_session_rel_access_url . ' session_rel_url
  2860. ON (session.id = session_rel_url.session_id)
  2861. WHERE id_coach = ' . $user_id . ' AND access_url_id = ' . $access_url_id;
  2862. }
  2863. }
  2864. $sql .= ' ORDER by name';
  2865. $result = Database::query($sql);
  2866. return Database::store_result($result, 'ASSOC');
  2867. }
  2868. /**
  2869. * @param int $user_id
  2870. * @return array
  2871. */
  2872. public static function get_sessions_by_coach($user_id)
  2873. {
  2874. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2875. return Database::select('*', $session_table, array('where' => array('id_coach = ?' => $user_id)));
  2876. }
  2877. /**
  2878. * @param int $user_id
  2879. * @param string $course_code
  2880. * @param int $session_id
  2881. * @return array|bool
  2882. */
  2883. public static function get_user_status_in_course_session($user_id, $course_code, $session_id)
  2884. {
  2885. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2886. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2887. $sql = "SELECT session_rcru.status
  2888. FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2889. WHERE session_rcru.id_user = user.user_id AND
  2890. session_rcru.id_session = '" . intval($session_id) . "' AND
  2891. session_rcru.course_code ='" . Database::escape_string($course_code) . "' AND
  2892. user.user_id = " . intval($user_id);
  2893. $result = Database::query($sql);
  2894. $status = false;
  2895. if (Database::num_rows($result)) {
  2896. $status = Database::fetch_row($result);
  2897. $status = $status['0'];
  2898. }
  2899. return $status;
  2900. }
  2901. /**
  2902. * Gets user status within a session
  2903. * @param $user_id
  2904. * @param $course_code
  2905. * @param $session_id
  2906. * @return int
  2907. * @assert (null,null,null) === false
  2908. */
  2909. public static function get_user_status_in_session($user_id, $course_code, $session_id)
  2910. {
  2911. if (empty($user_id) or empty($course_code) or empty($session_id)) {
  2912. return false;
  2913. }
  2914. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2915. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2916. $sql = "SELECT session_rcru.status
  2917. FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2918. WHERE session_rcru.id_user = user.user_id AND
  2919. session_rcru.id_session = '" . intval($session_id) . "' AND
  2920. session_rcru.course_code ='" . Database::escape_string($course_code) . "' AND
  2921. user.user_id = " . intval($user_id);
  2922. $result = Database::query($sql);
  2923. $status = false;
  2924. if (Database::num_rows($result)) {
  2925. $status = Database::fetch_row($result);
  2926. $status = $status['0'];
  2927. }
  2928. return $status;
  2929. }
  2930. /**
  2931. * @param int $id
  2932. * @return array
  2933. */
  2934. public static function get_all_sessions_by_promotion($id)
  2935. {
  2936. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  2937. return Database::select('*', $t, array('where' => array('promotion_id = ?' => $id)));
  2938. }
  2939. /**
  2940. * @param int $promotion_id
  2941. * @param array $list
  2942. */
  2943. public static function suscribe_sessions_to_promotion($promotion_id, $list)
  2944. {
  2945. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  2946. $params = array();
  2947. $params['promotion_id'] = 0;
  2948. Database::update($t, $params, array('promotion_id = ?' => $promotion_id));
  2949. $params['promotion_id'] = $promotion_id;
  2950. if (!empty($list)) {
  2951. foreach ($list as $session_id) {
  2952. $session_id = intval($session_id);
  2953. Database::update($t, $params, array('id = ?' => $session_id));
  2954. }
  2955. }
  2956. }
  2957. /**
  2958. * Updates a session status
  2959. * @param int session id
  2960. * @param int status
  2961. */
  2962. public static function set_session_status($session_id, $status)
  2963. {
  2964. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  2965. $params['visibility'] = $status;
  2966. Database::update($t, $params, array('id = ?' => $session_id));
  2967. }
  2968. /**
  2969. * Copies a session with the same data to a new session.
  2970. * The new copy is not assigned to the same promotion. @see suscribe_sessions_to_promotions() for that
  2971. * @param int Session ID
  2972. * @param bool Whether to copy the relationship with courses
  2973. * @param bool Whether to copy the relationship with users
  2974. * @param bool New courses will be created
  2975. * @return int The new session ID on success, 0 otherwise
  2976. * @todo make sure the extra session fields are copied too
  2977. */
  2978. public static function copy_session($id, $copy_courses = true, $copy_users = true, $create_new_courses = false, $set_exercises_lp_invisible = false)
  2979. {
  2980. $id = intval($id);
  2981. $s = self::fetch($id);
  2982. $s['year_start'] = substr($s['date_start'], 0, 4);
  2983. $s['month_start'] = substr($s['date_start'], 5, 2);
  2984. $s['day_start'] = substr($s['date_start'], 8, 2);
  2985. $s['year_end'] = substr($s['date_end'], 0, 4);
  2986. $s['month_end'] = substr($s['date_end'], 5, 2);
  2987. $s['day_end'] = substr($s['date_end'], 8, 2);
  2988. $consider_start = true;
  2989. if ($s['year_start'] . '-' . $s['month_start'] . '-' . $s['day_start'] == '0000-00-00') {
  2990. $consider_start = false;
  2991. }
  2992. $consider_end = true;
  2993. if ($s['year_end'] . '-' . $s['month_end'] . '-' . $s['day_end'] == '0000-00-00') {
  2994. $consider_end = false;
  2995. }
  2996. $sid = self::create_session(
  2997. $s['name'] . ' ' . get_lang('CopyLabelSuffix'),
  2998. $s['year_start'],
  2999. $s['month_start'],
  3000. $s['day_start'],
  3001. $s['year_end'],
  3002. $s['month_end'],
  3003. $s['day_end'],
  3004. $s['nb_days_acess_before_beginning'],
  3005. $s['nb_days_acess_after_end'],
  3006. false,
  3007. (int)$s['id_coach'],
  3008. $s['session_category_id'],
  3009. (int)$s['visibility'],
  3010. $consider_start,
  3011. $consider_end,
  3012. true
  3013. );
  3014. if (!is_numeric($sid) || empty($sid)) {
  3015. return false;
  3016. }
  3017. if ($copy_courses) {
  3018. // Register courses from the original session to the new session
  3019. $courses = self::get_course_list_by_session_id($id);
  3020. $short_courses = $new_short_courses = array();
  3021. if (is_array($courses) && count($courses) > 0) {
  3022. foreach ($courses as $course) {
  3023. $short_courses[] = $course;
  3024. }
  3025. }
  3026. $courses = null;
  3027. //We will copy the current courses of the session to new courses
  3028. if (!empty($short_courses)) {
  3029. if ($create_new_courses) {
  3030. //Just in case
  3031. if (function_exists('ini_set')) {
  3032. api_set_memory_limit('256M');
  3033. ini_set('max_execution_time', 0);
  3034. }
  3035. $params = array();
  3036. $params['skip_lp_dates'] = true;
  3037. foreach ($short_courses as $course_data) {
  3038. $course_info = CourseManager::copy_course_simple($course_data['title'] . ' ' . get_lang('CopyLabelSuffix'), $course_data['course_code'], $id, $sid, $params);
  3039. if ($course_info) {
  3040. //By default new elements are invisible
  3041. if ($set_exercises_lp_invisible) {
  3042. require_once api_get_path(SYS_CODE_PATH) . 'newscorm/learnpathList.class.php';
  3043. $list = new LearnpathList('', $course_info['code'], $sid);
  3044. $flat_list = $list->get_flat_list();
  3045. if (!empty($flat_list)) {
  3046. foreach ($flat_list as $lp_id => $data) {
  3047. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0, 0, 0, 0, $sid);
  3048. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0, 0, 0, 0);
  3049. }
  3050. }
  3051. $quiz_table = Database::get_course_table(TABLE_QUIZ_TEST);
  3052. $course_id = $course_info['real_id'];
  3053. //@todo check this query
  3054. $sql = "UPDATE $quiz_table SET active = 0 WHERE c_id = $course_id ";
  3055. $result = Database::query($sql);
  3056. }
  3057. $new_short_courses[] = $course_info['code'];
  3058. }
  3059. }
  3060. } else {
  3061. foreach ($short_courses as $course_data) {
  3062. $new_short_courses[] = $course_data['code'];
  3063. }
  3064. }
  3065. $short_courses = $new_short_courses;
  3066. self::add_courses_to_session($sid, $short_courses, true);
  3067. $short_courses = null;
  3068. }
  3069. }
  3070. if ($copy_users) {
  3071. // Register users from the original session to the new session
  3072. $users = self::get_users_by_session($id);
  3073. $short_users = array();
  3074. if (is_array($users) && count($users) > 0) {
  3075. foreach ($users as $user) {
  3076. $short_users[] = $user['user_id'];
  3077. }
  3078. }
  3079. $users = null;
  3080. //Subscribing in read only mode
  3081. self::suscribe_users_to_session($sid, $short_users, SESSION_VISIBLE_READ_ONLY, true, false);
  3082. $short_users = null;
  3083. }
  3084. return $sid;
  3085. }
  3086. /**
  3087. * @param int $user_id
  3088. * @param int $session_id
  3089. * @return bool
  3090. */
  3091. static function user_is_general_coach($user_id, $session_id)
  3092. {
  3093. $session_id = intval($session_id);
  3094. $user_id = intval($user_id);
  3095. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  3096. $sql = "SELECT DISTINCT id
  3097. FROM $session_table
  3098. WHERE session.id_coach = '" . $user_id . "' AND id = '$session_id'";
  3099. $result = Database::query($sql);
  3100. if ($result && Database::num_rows($result)) {
  3101. return true;
  3102. }
  3103. return false;
  3104. }
  3105. /**
  3106. * Get the number of sessions
  3107. * @param int ID of the URL we want to filter on (optional)
  3108. * @return int Number of sessions
  3109. */
  3110. public static function count_sessions($access_url_id = null)
  3111. {
  3112. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  3113. $access_url_rel_session_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  3114. $sql = "SELECT count(id) FROM $session_table s";
  3115. if (!empty($access_url_id) && $access_url_id == intval($access_url_id)) {
  3116. $sql .= ", $access_url_rel_session_table u " .
  3117. " WHERE s.id = u.session_id AND u.access_url_id = $access_url_id";
  3118. }
  3119. $res = Database::query($sql);
  3120. $row = Database::fetch_row($res);
  3121. return $row[0];
  3122. }
  3123. /**
  3124. * Protect a session to be edited.
  3125. * @param int $id
  3126. */
  3127. static function protect_session_edit($id)
  3128. {
  3129. api_protect_admin_script(true);
  3130. $session_info = self::fetch($id);
  3131. if (empty($session_info)) {
  3132. api_not_allowed(true);
  3133. }
  3134. if (!api_is_platform_admin() &&
  3135. api_get_setting('allow_session_admins_to_manage_all_sessions') != 'true'
  3136. ) {
  3137. if ($session_info['session_admin_id'] != api_get_user_id()) {
  3138. api_not_allowed(true);
  3139. }
  3140. }
  3141. }
  3142. /**
  3143. * @param $id
  3144. * @return bool
  3145. */
  3146. static function protect_teacher_session_edit($id)
  3147. {
  3148. if (!api_is_coach($id) && !api_is_platform_admin()) {
  3149. api_not_allowed(true);
  3150. } else {
  3151. return true;
  3152. }
  3153. }
  3154. /**
  3155. * @param string $course_code
  3156. * @return array
  3157. */
  3158. public static function get_session_by_course($course_code)
  3159. {
  3160. $table_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  3161. $table_session = Database::get_main_table(TABLE_MAIN_SESSION);
  3162. $course_code = Database::escape_string($course_code);
  3163. $sql = "SELECT name, s.id
  3164. FROM $table_session_course sc INNER JOIN $table_session s ON (sc.id_session = s.id)
  3165. WHERE sc.course_code = '$course_code' ";
  3166. $result = Database::query($sql);
  3167. return Database::store_result($result);
  3168. }
  3169. /**
  3170. * @param int $user_id
  3171. * @param bool $ignore_visibility_for_admins
  3172. * @return array
  3173. */
  3174. public static function get_sessions_by_user($user_id, $ignore_visibility_for_admins = false)
  3175. {
  3176. $session_categories = UserManager::get_sessions_by_category(
  3177. $user_id,
  3178. false,
  3179. $ignore_visibility_for_admins
  3180. );
  3181. $session_array = array();
  3182. if (!empty($session_categories)) {
  3183. foreach ($session_categories as $category) {
  3184. if (isset($category['sessions'])) {
  3185. foreach ($category['sessions'] as $session) {
  3186. $session_array[] = $session;
  3187. }
  3188. }
  3189. }
  3190. }
  3191. return $session_array;
  3192. }
  3193. /**
  3194. * @param string $file
  3195. * @param bool $updateSession options:
  3196. * true: if the session exists it will be updated.
  3197. * false: if session exists a new session will be created adding a counter session1, session2, etc
  3198. * @param int $defaultUserId
  3199. * @param mixed $logger
  3200. * @param array $extraFields convert a file row to an extra field. Example in CSV file there's a SessionID then it will
  3201. * converted to extra_external_session_id if you set this: array('SessionId' => 'extra_external_session_id')
  3202. * @param string $extraFieldId
  3203. * @param int $daysCoachAccessBeforeBeginning
  3204. * @param int $daysCoachAccessAfterBeginning
  3205. * @param int $sessionVisibility
  3206. * @param array $fieldsToAvoidUpdate
  3207. * @param bool $deleteUsersNotInList
  3208. * @param bool $updateCourseCoaches
  3209. * @param bool $sessionWithCoursesModifier
  3210. * @return array
  3211. */
  3212. static function importCSV(
  3213. $file,
  3214. $updateSession,
  3215. $defaultUserId = null,
  3216. $logger = null,
  3217. $extraFields = array(),
  3218. $extraFieldId = null,
  3219. $daysCoachAccessBeforeBeginning = null,
  3220. $daysCoachAccessAfterBeginning = null,
  3221. $sessionVisibility = 1,
  3222. $fieldsToAvoidUpdate = array(),
  3223. $deleteUsersNotInList = false,
  3224. $updateCourseCoaches = false,
  3225. $sessionWithCoursesModifier = false,
  3226. $addOriginalCourseTeachersAsCourseSessionCoaches = true,
  3227. $removeAllTeachersFromCourse = true
  3228. ) {
  3229. $content = file($file);
  3230. $error_message = null;
  3231. $session_counter = 0;
  3232. if (empty($defaultUserId)) {
  3233. $defaultUserId = api_get_user_id();
  3234. }
  3235. $eol = PHP_EOL;
  3236. if (PHP_SAPI != 'cli') {
  3237. $eol = '<br />';
  3238. }
  3239. $debug = false;
  3240. if (isset($logger)) {
  3241. $debug = true;
  3242. }
  3243. $extraParameters = null;
  3244. if (!empty($daysCoachAccessBeforeBeginning) && !empty($daysCoachAccessAfterBeginning)) {
  3245. $extraParameters .= ' , nb_days_access_before_beginning = '.intval($daysCoachAccessBeforeBeginning);
  3246. $extraParameters .= ' , nb_days_access_after_end = '.intval($daysCoachAccessAfterBeginning);
  3247. }
  3248. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  3249. $tbl_session_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  3250. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  3251. $tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3252. $sessions = array();
  3253. if (!api_strstr($content[0], ';')) {
  3254. $error_message = get_lang('NotCSV');
  3255. } else {
  3256. $tag_names = array();
  3257. foreach ($content as $key => $enreg) {
  3258. $enreg = explode(';', trim($enreg));
  3259. if ($key) {
  3260. foreach ($tag_names as $tag_key => $tag_name) {
  3261. $sessions[$key - 1][$tag_name] = $enreg[$tag_key];
  3262. }
  3263. } else {
  3264. foreach ($enreg as $tag_name) {
  3265. $tag_names[] = api_preg_replace('/[^a-zA-Z0-9_\-]/', '', $tag_name);
  3266. }
  3267. if (!in_array('SessionName', $tag_names) ||
  3268. !in_array('DateStart', $tag_names) ||
  3269. !in_array('DateEnd', $tag_names)
  3270. ) {
  3271. $error_message = get_lang('NoNeededData');
  3272. break;
  3273. }
  3274. }
  3275. }
  3276. $sessionList = array();
  3277. // Looping the sessions.
  3278. foreach ($sessions as $enreg) {
  3279. $user_counter = 0;
  3280. $course_counter = 0;
  3281. if (isset($extraFields) && !empty($extraFields)) {
  3282. foreach ($extraFields as $original => $to) {
  3283. $enreg[$to] = isset($enreg[$original]) ? $enreg[$original] : null;
  3284. }
  3285. }
  3286. $session_name = Database::escape_string($enreg['SessionName']);
  3287. // Default visibility
  3288. $visibilityAfterExpirationPerSession = $sessionVisibility;
  3289. if (isset($enreg['VisibilityAfterExpiration'])) {
  3290. $visibility = $enreg['VisibilityAfterExpiration'];
  3291. switch ($visibility) {
  3292. case 'read_only':
  3293. $visibilityAfterExpirationPerSession = SESSION_VISIBLE_READ_ONLY;
  3294. break;
  3295. case 'accessible':
  3296. $visibilityAfterExpirationPerSession = SESSION_VISIBLE;
  3297. break;
  3298. case 'not_accessible':
  3299. $visibilityAfterExpirationPerSession = SESSION_INVISIBLE;
  3300. break;
  3301. }
  3302. }
  3303. if (empty($session_name)) {
  3304. continue;
  3305. }
  3306. $date_start = $enreg['DateStart'];
  3307. $date_end = $enreg['DateEnd'];
  3308. $session_category_id = isset($enreg['SessionCategory']) ? $enreg['SessionCategory'] : null;
  3309. $sessionDescription = isset($enreg['SessionDescription']) ? $enreg['SessionDescription'] : null;
  3310. $extraSessionParameters = null;
  3311. if (!empty($sessionDescription)) {
  3312. $extraSessionParameters = " , description = '".Database::escape_string($sessionDescription)."'";
  3313. }
  3314. // Searching a general coach.
  3315. if (!empty($enreg['Coach'])) {
  3316. $coach_id = UserManager::get_user_id_from_username($enreg['Coach']);
  3317. if ($coach_id === false) {
  3318. // If the coach-user does not exist - I'm the coach.
  3319. $coach_id = $defaultUserId;
  3320. }
  3321. } else {
  3322. $coach_id = $defaultUserId;
  3323. }
  3324. if (!$updateSession) {
  3325. // Always create a session.
  3326. $unique_name = false;
  3327. $i = 0;
  3328. // Change session name, verify that session doesn't exist.
  3329. $suffix = null;
  3330. while (!$unique_name) {
  3331. if ($i > 1) {
  3332. $suffix = ' - ' . $i;
  3333. }
  3334. $sql = 'SELECT 1 FROM ' . $tbl_session . ' WHERE name="' . $session_name . $suffix . '"';
  3335. $rs = Database::query($sql);
  3336. if (Database::result($rs, 0, 0)) {
  3337. $i++;
  3338. } else {
  3339. $unique_name = true;
  3340. $session_name .= $suffix;
  3341. }
  3342. }
  3343. // Creating the session.
  3344. $sql = "INSERT IGNORE INTO $tbl_session SET
  3345. name = '" . $session_name . "',
  3346. id_coach = '$coach_id',
  3347. date_start = '$date_start',
  3348. date_end = '$date_end',
  3349. visibility = '$visibilityAfterExpirationPerSession',
  3350. session_category_id = '$session_category_id',
  3351. session_admin_id = " . intval($defaultUserId) . $extraParameters . $extraSessionParameters;
  3352. Database::query($sql);
  3353. $session_id = Database::insert_id();
  3354. if ($debug) {
  3355. if ($session_id) {
  3356. foreach ($enreg as $key => $value) {
  3357. if (substr($key, 0, 6) == 'extra_') { //an extra field
  3358. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  3359. }
  3360. }
  3361. $logger->addInfo("Sessions - Session created: #$session_id - $session_name");
  3362. } else {
  3363. $logger->addError("Sessions - Session NOT created: $session_name");
  3364. }
  3365. }
  3366. $session_counter++;
  3367. } else {
  3368. $sessionId = null;
  3369. if (isset($extraFields) && !empty($extraFields) && !empty($enreg['extra_'.$extraFieldId])) {
  3370. $sessionId = self::get_session_id_from_original_id($enreg['extra_'.$extraFieldId], $extraFieldId);
  3371. if (empty($sessionId)) {
  3372. $my_session_result = false;
  3373. } else {
  3374. $my_session_result = true;
  3375. }
  3376. } else {
  3377. $my_session_result = self::get_session_by_name($enreg['SessionName']);
  3378. }
  3379. if ($my_session_result === false) {
  3380. // Creating a session.
  3381. $sql_session = "INSERT IGNORE INTO $tbl_session SET
  3382. name = '$session_name',
  3383. id_coach = '$coach_id',
  3384. date_start = '$date_start',
  3385. date_end = '$date_end',
  3386. visibility = '$visibilityAfterExpirationPerSession',
  3387. session_category_id = '$session_category_id' " . $extraParameters . $extraSessionParameters;
  3388. Database::query($sql_session);
  3389. // We get the last insert id.
  3390. $my_session_result = SessionManager::get_session_by_name($enreg['SessionName']);
  3391. $session_id = $my_session_result['id'];
  3392. if ($session_id) {
  3393. foreach ($enreg as $key => $value) {
  3394. if (substr($key, 0, 6) == 'extra_') { //an extra field
  3395. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  3396. }
  3397. }
  3398. if ($debug) {
  3399. $logger->addInfo("Sessions - #$session_id created: $session_name");
  3400. }
  3401. // Delete session-user relation only for students
  3402. $sql = "DELETE FROM $tbl_session_user
  3403. WHERE id_session = '$session_id' AND relation_type <> " . SESSION_RELATION_TYPE_RRHH;
  3404. Database::query($sql);
  3405. $sql = "DELETE FROM $tbl_session_course WHERE id_session = '$session_id'";
  3406. Database::query($sql);
  3407. // Delete session-course-user relationships students and coaches.
  3408. if ($updateCourseCoaches) {
  3409. $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status in ('0', '2')";
  3410. Database::query($sql);
  3411. } else {
  3412. // Delete session-course-user relation ships *only* for students.
  3413. $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status <> 2";
  3414. Database::query($sql);
  3415. }
  3416. }
  3417. } else {
  3418. if ($debug) {
  3419. $logger->addError("Sessions - Session to be updated: $session_name");
  3420. }
  3421. // Updating the session.
  3422. $params = array(
  3423. 'id_coach' => $coach_id,
  3424. 'date_start' => $date_start,
  3425. 'date_end' => $date_end,
  3426. 'visibility' => $visibilityAfterExpirationPerSession,
  3427. 'session_category_id' => $session_category_id
  3428. );
  3429. if (!empty($sessionDescription)) {
  3430. $params['description'] = $sessionDescription;
  3431. }
  3432. if (!empty($fieldsToAvoidUpdate)) {
  3433. foreach ($fieldsToAvoidUpdate as $field) {
  3434. unset($params[$field]);
  3435. }
  3436. }
  3437. if (isset($sessionId) && !empty($sessionId)) {
  3438. if (!empty($enreg['SessionName'])) {
  3439. $params['name'] = $enreg['SessionName'];
  3440. }
  3441. Database::update($tbl_session, $params, array('id = ?' => $sessionId));
  3442. $session_id = $sessionId;
  3443. } else {
  3444. Database::update($tbl_session, $params, array("name = '?' " => $enreg['SessionName']));
  3445. $row = Database::query("SELECT id FROM $tbl_session WHERE name = '$session_name'");
  3446. list($session_id) = Database::fetch_array($row);
  3447. }
  3448. if ($session_id) {
  3449. foreach ($enreg as $key => $value) {
  3450. if (substr($key, 0, 6) == 'extra_') { //an extra field
  3451. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  3452. }
  3453. }
  3454. // Delete session-user relation only for students
  3455. $sql = "DELETE FROM $tbl_session_user
  3456. WHERE id_session = '$session_id' AND relation_type <> " . SESSION_RELATION_TYPE_RRHH;
  3457. Database::query($sql);
  3458. $sql = "DELETE FROM $tbl_session_course WHERE id_session = '$session_id'";
  3459. Database::query($sql);
  3460. // Delete session-course-user relationships students and coaches.
  3461. if ($updateCourseCoaches) {
  3462. $sql = "DELETE FROM $tbl_session_course_user
  3463. WHERE id_session = '$session_id' AND status in ('0', '2')";
  3464. Database::query($sql);
  3465. } else {
  3466. // Delete session-course-user relation ships *only* for students.
  3467. $sql = "DELETE FROM $tbl_session_course_user
  3468. WHERE id_session = '$session_id' AND status <> 2";
  3469. Database::query($sql);
  3470. }
  3471. }
  3472. }
  3473. $session_counter++;
  3474. }
  3475. $sessionList[] = $session_id;
  3476. $users = explode('|', $enreg['Users']);
  3477. // Adding the relationship "Session - User" for students
  3478. $userList = array();
  3479. if (is_array($users)) {
  3480. foreach ($users as $user) {
  3481. $user_id = UserManager::get_user_id_from_username($user);
  3482. if ($user_id !== false) {
  3483. $userList[] = $user_id;
  3484. // Insert new users.
  3485. $sql = "INSERT IGNORE INTO $tbl_session_user SET
  3486. id_user = '$user_id',
  3487. id_session = '$session_id'";
  3488. Database::query($sql);
  3489. if ($debug) {
  3490. $logger->addInfo("Sessions - Adding User #$user_id ($user) to session #$session_id");
  3491. }
  3492. $user_counter++;
  3493. }
  3494. }
  3495. }
  3496. if ($deleteUsersNotInList) {
  3497. // Getting user in DB in order to compare to the new list.
  3498. $usersListInDatabase = self::get_users_by_session($session_id, 0);
  3499. if (!empty($usersListInDatabase)) {
  3500. if (empty($userList)) {
  3501. foreach ($usersListInDatabase as $userInfo) {
  3502. self::unsubscribe_user_from_session($session_id, $userInfo['user_id']);
  3503. }
  3504. } else {
  3505. foreach ($usersListInDatabase as $userInfo) {
  3506. if (!in_array($userInfo['user_id'], $userList)) {
  3507. self::unsubscribe_user_from_session($session_id, $userInfo['user_id']);
  3508. }
  3509. }
  3510. }
  3511. }
  3512. }
  3513. $courses = explode('|', $enreg['Courses']);
  3514. // See BT#6449
  3515. $onlyAddFirstCoachOrTeacher = false;
  3516. if ($sessionWithCoursesModifier) {
  3517. if (count($courses) >= 2) {
  3518. // Only first teacher in course session;
  3519. $onlyAddFirstCoachOrTeacher = true;
  3520. // Remove all teachers from course.
  3521. $removeAllTeachersFromCourse = false;
  3522. }
  3523. }
  3524. foreach ($courses as $course) {
  3525. $courseArray = bracketsToArray($course);
  3526. $course_code = $courseArray[0];
  3527. if (CourseManager::course_exists($course_code)) {
  3528. $courseInfo = api_get_course_info($course_code);
  3529. // Adding the course to a session.
  3530. $sql = "INSERT IGNORE INTO $tbl_session_course
  3531. SET course_code = '$course_code', id_session='$session_id'";
  3532. Database::query($sql);
  3533. $course_info = api_get_course_info($course_code);
  3534. SessionManager::installCourse($session_id, $course_info['real_id']);
  3535. if ($debug) {
  3536. $logger->addInfo("Sessions - Adding course '$course_code' to session #$session_id");
  3537. }
  3538. $course_counter++;
  3539. $course_coaches = isset($courseArray[1]) ? $courseArray[1] : null;
  3540. $course_users = isset($courseArray[2]) ? $courseArray[2] : null;
  3541. $course_users = explode(',', $course_users);
  3542. $course_coaches = explode(',', $course_coaches);
  3543. // Checking if the flag is set TeachersWillBeAddedAsCoachInAllCourseSessions (course_edit.php)
  3544. $addTeachersToSession = true;
  3545. if (array_key_exists('add_teachers_to_sessions_courses', $courseInfo)) {
  3546. $addTeachersToSession = $courseInfo['add_teachers_to_sessions_courses'];
  3547. }
  3548. // If any user provided for a course, use the users array.
  3549. if (empty($course_users)) {
  3550. if (!empty($userList)) {
  3551. SessionManager::subscribe_users_to_session_course(
  3552. $userList,
  3553. $session_id,
  3554. $course_code
  3555. );
  3556. if ($debug) {
  3557. $msg = "Sessions - Adding student list ".implode(', #', $userList)." to course: '$course_code' and session #$session_id";
  3558. $logger->addInfo($msg);
  3559. }
  3560. }
  3561. }
  3562. // Adding coaches to session course user.
  3563. if (!empty($course_coaches)) {
  3564. $savedCoaches = array();
  3565. // only edit if add_teachers_to_sessions_courses is set.
  3566. if ($addTeachersToSession) {
  3567. if ($addOriginalCourseTeachersAsCourseSessionCoaches) {
  3568. // Adding course teachers as course session teachers.
  3569. $alreadyAddedTeachers = CourseManager::get_teacher_list_from_course_code(
  3570. $course_code
  3571. );
  3572. if (!empty($alreadyAddedTeachers)) {
  3573. $teachersToAdd = array();
  3574. foreach ($alreadyAddedTeachers as $user) {
  3575. $teachersToAdd[] = $user['username'];
  3576. }
  3577. $course_coaches = array_merge(
  3578. $course_coaches,
  3579. $teachersToAdd
  3580. );
  3581. }
  3582. }
  3583. foreach ($course_coaches as $course_coach) {
  3584. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3585. if ($coach_id !== false) {
  3586. // Just insert new coaches
  3587. SessionManager::updateCoaches($session_id, $course_code, array($coach_id), false);
  3588. if ($debug) {
  3589. $logger->addInfo("Sessions - Adding course coach: user #$coach_id ($course_coach) to course: '$course_code' and session #$session_id");
  3590. }
  3591. $savedCoaches[] = $coach_id;
  3592. } else {
  3593. $error_message .= get_lang('UserDoesNotExist').' : '.$course_coach.$eol;
  3594. }
  3595. }
  3596. }
  3597. // Custom courses/session coaches
  3598. $teacherToAdd = null;
  3599. // Only one coach is added.
  3600. if ($onlyAddFirstCoachOrTeacher == true) {
  3601. foreach ($course_coaches as $course_coach) {
  3602. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3603. if ($coach_id !== false) {
  3604. $teacherToAdd = $coach_id;
  3605. break;
  3606. }
  3607. }
  3608. // Un subscribe everyone that's not in the list.
  3609. $teacherList = CourseManager::get_teacher_list_from_course_code($course_code);
  3610. if (!empty($teacherList)) {
  3611. foreach ($teacherList as $teacher) {
  3612. if ($teacherToAdd != $teacher['user_id']) {
  3613. CourseManager::unsubscribe_user(
  3614. $teacher['user_id'],
  3615. $course_code
  3616. );
  3617. }
  3618. }
  3619. }
  3620. if (!empty($teacherToAdd)) {
  3621. SessionManager::updateCoaches($session_id, $course_code, array($teacherToAdd), true);
  3622. CourseManager::subscribe_user(
  3623. $teacherToAdd,
  3624. $course_code,
  3625. COURSEMANAGER
  3626. );
  3627. }
  3628. }
  3629. // See BT#6449#note-195
  3630. // All coaches are added.
  3631. if ($removeAllTeachersFromCourse) {
  3632. $teacherToAdd = null;
  3633. foreach ($course_coaches as $course_coach) {
  3634. $coach_id = UserManager::get_user_id_from_username(
  3635. $course_coach
  3636. );
  3637. if ($coach_id !== false) {
  3638. $teacherToAdd[] = $coach_id;
  3639. }
  3640. }
  3641. if (!empty($teacherToAdd)) {
  3642. // Deleting all course teachers and adding the only coach as teacher.
  3643. $teacherList = CourseManager::get_teacher_list_from_course_code($course_code);
  3644. if (!empty($teacherList)) {
  3645. foreach ($teacherList as $teacher) {
  3646. if (!in_array($teacher['user_id'], $teacherToAdd)) {
  3647. CourseManager::unsubscribe_user(
  3648. $teacher['user_id'],
  3649. $course_code
  3650. );
  3651. }
  3652. }
  3653. }
  3654. foreach ($teacherToAdd as $teacherId) {
  3655. CourseManager::subscribe_user(
  3656. $teacherId,
  3657. $course_code,
  3658. COURSEMANAGER
  3659. );
  3660. }
  3661. }
  3662. }
  3663. // Continue default behaviour.
  3664. if ($onlyAddFirstCoachOrTeacher == false) {
  3665. // Checking one more time see BT#6449#note-149
  3666. $coaches = SessionManager::getCoachesByCourseSession($session_id, $course_code);
  3667. // Update coaches if only there's 1 course see BT#6449#note-189
  3668. if (empty($coaches) || count($courses) == 1) {
  3669. foreach ($course_coaches as $course_coach) {
  3670. $course_coach = trim($course_coach);
  3671. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3672. if ($coach_id !== false) {
  3673. // Just insert new coaches
  3674. SessionManager::updateCoaches(
  3675. $session_id,
  3676. $course_code,
  3677. array($coach_id),
  3678. false
  3679. );
  3680. if ($debug) {
  3681. $logger->addInfo("Sessions - Adding course coach: user #$coach_id ($course_coach) to course: '$course_code' and session #$session_id");
  3682. }
  3683. $savedCoaches[] = $coach_id;
  3684. } else {
  3685. $error_message .= get_lang('UserDoesNotExist').' : '.$course_coach.$eol;
  3686. }
  3687. }
  3688. }
  3689. }
  3690. }
  3691. // Adding Students, updating relationship "Session - Course - User".
  3692. $course_users = array_filter($course_users);
  3693. if (!empty($course_users)) {
  3694. foreach ($course_users as $user) {
  3695. $user_id = UserManager::get_user_id_from_username($user);
  3696. if ($user_id !== false) {
  3697. SessionManager::subscribe_users_to_session_course(
  3698. array($user_id),
  3699. $session_id,
  3700. $course_code
  3701. );
  3702. if ($debug) {
  3703. $logger->addInfo("Sessions - Adding student: user #$user_id ($user) to course: '$course_code' and session #$session_id");
  3704. }
  3705. } else {
  3706. $error_message .= get_lang('UserDoesNotExist').': '.$user.$eol;
  3707. }
  3708. }
  3709. }
  3710. $course_info = CourseManager::get_course_information($course_code);
  3711. $inserted_in_course[$course_code] = $course_info['title'];
  3712. }
  3713. }
  3714. $access_url_id = api_get_current_access_url_id();
  3715. UrlManager::add_session_to_url($session_id, $access_url_id);
  3716. $sql = "UPDATE $tbl_session SET nbr_users = '$user_counter', nbr_courses = '$course_counter' WHERE id = '$session_id'";
  3717. Database::query($sql);
  3718. }
  3719. }
  3720. return array(
  3721. 'error_message' => $error_message,
  3722. 'session_counter' => $session_counter,
  3723. 'session_list' => $sessionList
  3724. );
  3725. }
  3726. /**
  3727. * @param int $sessionId
  3728. * @param string $courseCode
  3729. * @return array
  3730. */
  3731. public static function getCoachesByCourseSession($sessionId, $courseCode)
  3732. {
  3733. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3734. $sessionId = intval($sessionId);
  3735. $courseCode = Database::escape_string($courseCode);
  3736. $sql = "SELECT id_user FROM $table
  3737. WHERE
  3738. id_session = '$sessionId' AND
  3739. course_code = '$courseCode' AND
  3740. status = 2";
  3741. $result = Database::query($sql);
  3742. $coaches = array();
  3743. if (Database::num_rows($result) > 0) {
  3744. while ($row = Database::fetch_row($result)) {
  3745. $coaches[] = $row[0];
  3746. }
  3747. }
  3748. return $coaches;
  3749. }
  3750. /**
  3751. * @param int $sessionId
  3752. * @param string $courseCode
  3753. * @return string
  3754. */
  3755. public static function getCoachesByCourseSessionToString(
  3756. $sessionId,
  3757. $courseCode
  3758. ) {
  3759. $coaches = self::getCoachesByCourseSession($sessionId, $courseCode);
  3760. $list = array();
  3761. if (!empty($coaches)) {
  3762. foreach ($coaches as $coachId) {
  3763. $userInfo = api_get_user_info($coachId);
  3764. $list[] = api_get_person_name(
  3765. $userInfo['firstname'],
  3766. $userInfo['lastname']
  3767. );
  3768. }
  3769. }
  3770. return array_to_string($list, CourseManager::USER_SEPARATOR);
  3771. }
  3772. /**
  3773. * Get all coaches added in the session - course relationship
  3774. * @param int $sessionId
  3775. * @return array
  3776. */
  3777. public static function getCoachesBySession($sessionId)
  3778. {
  3779. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3780. $sessionId = intval($sessionId);
  3781. $sql = "SELECT DISTINCT id_user
  3782. FROM $table
  3783. WHERE id_session = '$sessionId' AND status = 2";
  3784. $result = Database::query($sql);
  3785. $coaches = array();
  3786. if (Database::num_rows($result) > 0) {
  3787. while ($row = Database::fetch_array($result)) {
  3788. $coaches[] = $row['id_user'];
  3789. }
  3790. }
  3791. return $coaches;
  3792. }
  3793. /**
  3794. * @param int $userId
  3795. * @return array
  3796. */
  3797. public static function getAllCoursesFromAllSessionFromDrh($userId)
  3798. {
  3799. $sessions = SessionManager::get_sessions_followed_by_drh($userId);
  3800. $coursesFromSession = array();
  3801. if (!empty($sessions)) {
  3802. foreach ($sessions as $session) {
  3803. $courseList = SessionManager::get_course_list_by_session_id($session['id']);
  3804. foreach ($courseList as $course) {
  3805. $coursesFromSession[] = $course['code'];
  3806. }
  3807. }
  3808. }
  3809. return $coursesFromSession;
  3810. }
  3811. /**
  3812. * @param string $status
  3813. * @param int $userId
  3814. * @param bool $getCount
  3815. * @param int $from
  3816. * @param int $numberItems
  3817. * @param int $column
  3818. * @param string $direction
  3819. * @param string $keyword
  3820. * @param string $active
  3821. * @param string $lastConnectionDate
  3822. * @param array $sessionIdList
  3823. * @param array $studentIdList
  3824. * @param int $filterByStatus
  3825. * @return array|int
  3826. */
  3827. public static function getAllUsersFromCoursesFromAllSessionFromStatus(
  3828. $status,
  3829. $userId,
  3830. $getCount = false,
  3831. $from = null,
  3832. $numberItems = null,
  3833. $column = 1,
  3834. $direction = 'asc',
  3835. $keyword = null,
  3836. $active = null,
  3837. $lastConnectionDate = null,
  3838. $sessionIdList = array(),
  3839. $studentIdList = array(),
  3840. $filterByStatus = null
  3841. ) {
  3842. $filterByStatus = intval($filterByStatus);
  3843. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  3844. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  3845. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  3846. $tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  3847. $tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
  3848. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3849. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  3850. $direction = in_array(strtolower($direction), array('asc', 'desc')) ? $direction : 'asc';
  3851. $column = Database::escape_string($column);
  3852. $userId = intval($userId);
  3853. $limitCondition = null;
  3854. if (isset($from) && isset($numberItems)) {
  3855. $from = intval($from);
  3856. $numberItems = intval($numberItems);
  3857. $limitCondition = "LIMIT $from, $numberItems";
  3858. }
  3859. $urlId = api_get_current_access_url_id();
  3860. $sessionConditions = null;
  3861. $courseConditions = null;
  3862. $userConditions = null;
  3863. if (isset($active)) {
  3864. $active = intval($active);
  3865. $userConditions .= " AND active = $active";
  3866. }
  3867. switch ($status) {
  3868. case 'drh':
  3869. // Classic DRH
  3870. if (empty($studentIdList)) {
  3871. $studentListSql = UserManager::get_users_followed_by_drh(
  3872. $userId,
  3873. $filterByStatus,
  3874. true,
  3875. false
  3876. );
  3877. $studentIdList = array_keys($studentListSql);
  3878. $studentListSql = "'".implode("','", $studentIdList)."'";
  3879. } else {
  3880. $studentIdList = array_map('intval', $studentIdList);
  3881. $studentListSql = "'".implode("','", $studentIdList)."'";
  3882. }
  3883. if (!empty($studentListSql)) {
  3884. $userConditions = " AND u.user_id IN (".$studentListSql.") ";
  3885. }
  3886. break;
  3887. case 'drh_all':
  3888. // Show all by DRH
  3889. if (empty($sessionIdList)) {
  3890. $sessionsListSql = SessionManager::get_sessions_followed_by_drh(
  3891. $userId,
  3892. null,
  3893. null,
  3894. false,
  3895. true,
  3896. true
  3897. );
  3898. } else {
  3899. $sessionIdList = array_map('intval', $sessionIdList);
  3900. $sessionsListSql = "'".implode("','", $sessionIdList)."'";
  3901. }
  3902. if (!empty($sessionsListSql)) {
  3903. $sessionConditions = " AND s.id IN (".$sessionsListSql.") ";
  3904. }
  3905. break;
  3906. case 'session_admin';
  3907. $sessionConditions = " AND s.id_coach = $userId ";
  3908. break;
  3909. case 'admin':
  3910. break;
  3911. case 'teacher':
  3912. $sessionConditions = " AND s.id_coach = $userId ";
  3913. break;
  3914. }
  3915. $select = "SELECT DISTINCT u.* ";
  3916. $masterSelect = "SELECT DISTINCT * FROM ";
  3917. if ($getCount) {
  3918. $select = "SELECT DISTINCT u.user_id ";
  3919. $masterSelect = "SELECT COUNT(DISTINCT(user_id)) as count FROM ";
  3920. }
  3921. if (!empty($filterByStatus)) {
  3922. $userConditions .= " AND u.status = ".$filterByStatus;
  3923. }
  3924. if (!empty($lastConnectionDate)) {
  3925. $lastConnectionDate = Database::escape_string($lastConnectionDate);
  3926. $userConditions .= " AND u.last_login <= '$lastConnectionDate' ";
  3927. }
  3928. if (!empty($keyword)) {
  3929. $keyword = Database::escape_string($keyword);
  3930. $userConditions .= " AND (
  3931. u.username LIKE '%$keyword%' OR
  3932. u.firstname LIKE '%$keyword%' OR
  3933. u.lastname LIKE '%$keyword%' OR
  3934. u.official_code LIKE '%$keyword%' OR
  3935. u.email LIKE '%$keyword%'
  3936. )";
  3937. }
  3938. $where = " WHERE
  3939. access_url_id = $urlId
  3940. $userConditions
  3941. ";
  3942. $sql = "$masterSelect (
  3943. ($select
  3944. FROM $tbl_session s
  3945. INNER JOIN $tbl_session_rel_course_rel_user su ON (s.id = su.id_session)
  3946. INNER JOIN $tbl_user u ON (u.user_id = su.id_user AND s.id = id_session)
  3947. INNER JOIN $tbl_session_rel_access_url url ON (url.session_id = s.id)
  3948. $where
  3949. $sessionConditions
  3950. )
  3951. UNION (
  3952. $select
  3953. FROM $tbl_course c
  3954. INNER JOIN $tbl_course_user cu ON (cu.course_code = c.code)
  3955. INNER JOIN $tbl_user u ON (u.user_id = cu.user_id)
  3956. INNER JOIN $tbl_course_rel_access_url url ON (url.course_code = c.code)
  3957. $where
  3958. $courseConditions
  3959. )
  3960. ) as t1
  3961. ";
  3962. if ($getCount) {
  3963. $result = Database::query($sql);
  3964. $count = 0;
  3965. if (Database::num_rows($result)) {
  3966. $rows = Database::fetch_array($result);
  3967. $count = $rows['count'];
  3968. }
  3969. return $count;
  3970. }
  3971. if (!empty($column) && !empty($direction)) {
  3972. $column = str_replace('u.', '', $column);
  3973. $sql .= " ORDER BY $column $direction ";
  3974. }
  3975. $sql .= $limitCondition;
  3976. $result = Database::query($sql);
  3977. $result = Database::store_result($result);
  3978. return $result ;
  3979. }
  3980. /**
  3981. * @param int $sessionId
  3982. * @param string $courseCode
  3983. * @param array $coachList
  3984. * @param bool $deleteCoachesNotInList
  3985. */
  3986. public static function updateCoaches(
  3987. $sessionId,
  3988. $courseCode,
  3989. $coachList,
  3990. $deleteCoachesNotInList = false
  3991. ) {
  3992. $currentCoaches = self::getCoachesByCourseSession($sessionId, $courseCode);
  3993. if (!empty($coachList)) {
  3994. foreach ($coachList as $userId) {
  3995. self::set_coach_to_course_session($userId, $sessionId, $courseCode);
  3996. }
  3997. }
  3998. if ($deleteCoachesNotInList) {
  3999. if (!empty($coachList)) {
  4000. $coachesToDelete = array_diff($currentCoaches, $coachList);
  4001. } else {
  4002. $coachesToDelete = $currentCoaches;
  4003. }
  4004. if (!empty($coachesToDelete)) {
  4005. foreach ($coachesToDelete as $userId) {
  4006. self::set_coach_to_course_session(
  4007. $userId,
  4008. $sessionId,
  4009. $courseCode,
  4010. true
  4011. );
  4012. }
  4013. }
  4014. }
  4015. }
  4016. /**
  4017. * @param array $sessions
  4018. * @param array $sessionsDestination
  4019. * @return string
  4020. */
  4021. public static function copyStudentsFromSession($sessions, $sessionsDestination)
  4022. {
  4023. $messages = array();
  4024. if (!empty($sessions)) {
  4025. foreach ($sessions as $sessionId) {
  4026. $sessionInfo = self::fetch($sessionId);
  4027. $userList = self::get_users_by_session($sessionId, 0);
  4028. if (!empty($userList)) {
  4029. $newUserList = array();
  4030. $userToString = null;
  4031. foreach ($userList as $userInfo) {
  4032. $newUserList[] = $userInfo['user_id'];
  4033. $userToString .= $userInfo['firstname'] . ' ' . $userInfo['lastname'] . '<br />';
  4034. }
  4035. if (!empty($sessionsDestination)) {
  4036. foreach ($sessionsDestination as $sessionDestinationId) {
  4037. $sessionDestinationInfo = self::fetch($sessionDestinationId);
  4038. $messages[] = Display::return_message(
  4039. sprintf(get_lang('AddingStudentsFromSessionXToSessionY'), $sessionInfo['name'], $sessionDestinationInfo['name']), 'info', false
  4040. );
  4041. if ($sessionId == $sessionDestinationId) {
  4042. $messages[] = Display::return_message(sprintf(get_lang('SessionXSkipped'), $sessionDestinationId), 'warning', false);
  4043. continue;
  4044. }
  4045. $messages[] = Display::return_message(get_lang('StudentList') . '<br />' . $userToString, 'info', false);
  4046. SessionManager::suscribe_users_to_session($sessionDestinationId, $newUserList, SESSION_VISIBLE_READ_ONLY, false);
  4047. }
  4048. } else {
  4049. $messages[] = Display::return_message(get_lang('NoDestinationSessionProvided'), 'warning');
  4050. }
  4051. } else {
  4052. $messages[] = Display::return_message(get_lang('NoStudentsFoundForSession') . ' #' . $sessionInfo['name'], 'warning');
  4053. }
  4054. }
  4055. } else {
  4056. $messages[] = Display::return_message(get_lang('NoData'), 'warning');
  4057. }
  4058. return $messages;
  4059. }
  4060. /**
  4061. * Assign coaches of a session(s) as teachers to a given course (or courses)
  4062. * @param array A list of session IDs
  4063. * @param array A list of course IDs
  4064. * @return string
  4065. */
  4066. public static function copyCoachesFromSessionToCourse($sessions, $courses)
  4067. {
  4068. $coachesPerSession = array();
  4069. foreach ($sessions as $sessionId) {
  4070. $coaches = self::getCoachesBySession($sessionId);
  4071. $coachesPerSession[$sessionId] = $coaches;
  4072. }
  4073. $result = array();
  4074. if (!empty($courses)) {
  4075. foreach ($courses as $courseId) {
  4076. $courseInfo = api_get_course_info_by_id($courseId);
  4077. foreach ($coachesPerSession as $sessionId => $coachList) {
  4078. CourseManager::updateTeachers(
  4079. $courseInfo['code'], $coachList, false, false, false
  4080. );
  4081. $result[$courseInfo['code']][$sessionId] = $coachList;
  4082. }
  4083. }
  4084. }
  4085. $sessionUrl = api_get_path(WEB_CODE_PATH) . 'admin/resume_session.php?id_session=';
  4086. $htmlResult = null;
  4087. if (!empty($result)) {
  4088. foreach ($result as $courseCode => $data) {
  4089. $url = api_get_course_url($courseCode);
  4090. $htmlResult .= sprintf(get_lang('CoachesSubscribedAsATeacherInCourseX'), Display::url($courseCode, $url, array('target' => '_blank')));
  4091. foreach ($data as $sessionId => $coachList) {
  4092. $sessionInfo = self::fetch($sessionId);
  4093. $htmlResult .= '<br />';
  4094. $htmlResult .= Display::url(
  4095. get_lang('Session') . ': ' . $sessionInfo['name'] . ' <br />', $sessionUrl . $sessionId, array('target' => '_blank')
  4096. );
  4097. $teacherList = array();
  4098. foreach ($coachList as $coachId) {
  4099. $userInfo = api_get_user_info($coachId);
  4100. $teacherList[] = $userInfo['complete_name'];
  4101. }
  4102. if (!empty($teacherList)) {
  4103. $htmlResult .= implode(', ', $teacherList);
  4104. } else {
  4105. $htmlResult .= get_lang('NothingToAdd');
  4106. }
  4107. }
  4108. $htmlResult .= '<br />';
  4109. }
  4110. $htmlResult = Display::return_message($htmlResult, 'normal', false);
  4111. }
  4112. return $htmlResult;
  4113. }
  4114. /**
  4115. * @param string $keyword
  4116. * @param string $active
  4117. * @param string $lastConnectionDate
  4118. * @param array $sessionIdList
  4119. * @param array $studentIdList
  4120. * @param int $userStatus STUDENT|COURSEMANAGER constants
  4121. *
  4122. * @return array|int
  4123. */
  4124. public static function getCountUserTracking(
  4125. $keyword = null,
  4126. $active = null,
  4127. $lastConnectionDate = null,
  4128. $sessionIdList = array(),
  4129. $studentIdList = array(),
  4130. $filterUserStatus = null
  4131. ) {
  4132. $userId = api_get_user_id();
  4133. $drhLoaded = false;
  4134. if (api_is_drh()) {
  4135. if (api_drh_can_access_all_session_content()) {
  4136. $count = self::getAllUsersFromCoursesFromAllSessionFromStatus(
  4137. 'drh_all',
  4138. $userId,
  4139. true,
  4140. null,
  4141. null,
  4142. null,
  4143. null,
  4144. $keyword,
  4145. $active,
  4146. $lastConnectionDate,
  4147. $sessionIdList,
  4148. $studentIdList,
  4149. $filterUserStatus
  4150. );
  4151. $drhLoaded = true;
  4152. }
  4153. }
  4154. if ($drhLoaded == false) {
  4155. $count = UserManager::getUsersFollowedByUser(
  4156. $userId,
  4157. $filterUserStatus,
  4158. false,
  4159. false,
  4160. true,
  4161. null,
  4162. null,
  4163. null,
  4164. null,
  4165. $active,
  4166. $lastConnectionDate,
  4167. COURSEMANAGER,
  4168. $keyword
  4169. );
  4170. }
  4171. return $count;
  4172. }
  4173. /**
  4174. * Get teachers followed by a user
  4175. * @param int $userId
  4176. * @param int $active
  4177. * @param string $lastConnectionDate
  4178. * @param bool $getCount
  4179. * @param array $sessionIdList
  4180. * @return array|int
  4181. */
  4182. public static function getTeacherTracking(
  4183. $userId,
  4184. $active = 1,
  4185. $lastConnectionDate = null,
  4186. $getCount = false,
  4187. $sessionIdList = array()
  4188. ) {
  4189. $teacherResult = array();
  4190. if (api_is_drh() || api_is_platform_admin()) {
  4191. // Followed teachers by drh
  4192. if (api_drh_can_access_all_session_content()) {
  4193. if (empty($sessionIdList)) {
  4194. $sessions = SessionManager::get_sessions_followed_by_drh($userId);
  4195. $sessionIdList = array();
  4196. foreach ($sessions as $session) {
  4197. $sessionIdList[] = $session['id'];
  4198. }
  4199. }
  4200. $sessionIdList = array_map('intval', $sessionIdList);
  4201. $sessionToString = implode("', '", $sessionIdList);
  4202. $course = Database::get_main_table(TABLE_MAIN_COURSE);
  4203. $sessionCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  4204. $courseUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  4205. // Select the teachers.
  4206. $sql = "SELECT DISTINCT(cu.user_id) FROM $course c
  4207. INNER JOIN $sessionCourse src ON c.code = src.course_code
  4208. INNER JOIN $courseUser cu ON (cu.course_code = c.code)
  4209. WHERE src.id_session IN ('$sessionToString') AND cu.status = 1";
  4210. $result = Database::query($sql);
  4211. $teacherListId = array();
  4212. while($row = Database::fetch_array($result, 'ASSOC')) {
  4213. $teacherListId[$row['user_id']] = $row['user_id'];
  4214. }
  4215. } else {
  4216. $teacherResult = UserManager::get_users_followed_by_drh($userId, COURSEMANAGER);
  4217. $teacherListId = array();
  4218. foreach ($teacherResult as $userInfo) {
  4219. $teacherListId[] = $userInfo['user_id'];
  4220. }
  4221. }
  4222. }
  4223. if (!empty($teacherListId)) {
  4224. $tableUser = Database::get_main_table(TABLE_MAIN_USER);
  4225. $select = "SELECT DISTINCT u.* ";
  4226. if ($getCount) {
  4227. $select = "SELECT count(DISTINCT(u.user_id)) as count";
  4228. }
  4229. $sql = "$select FROM $tableUser u";
  4230. if (!empty($lastConnectionDate)) {
  4231. $tableLogin = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
  4232. //$sql .= " INNER JOIN $tableLogin l ON (l.login_user_id = u.user_id) ";
  4233. }
  4234. $active = intval($active);
  4235. $teacherListId = implode("','", $teacherListId);
  4236. $where = " WHERE u.active = $active AND u.user_id IN ('$teacherListId') ";
  4237. if (!empty($lastConnectionDate)) {
  4238. $lastConnectionDate = Database::escape_string($lastConnectionDate);
  4239. //$where .= " AND l.login_date <= '$lastConnectionDate' ";
  4240. }
  4241. $sql .= $where;
  4242. $result = Database::query($sql);
  4243. if (Database::num_rows($result)) {
  4244. if ($getCount) {
  4245. $row = Database::fetch_array($result);
  4246. return $row['count'];
  4247. } else {
  4248. return Database::store_result($result, 'ASSOC');
  4249. }
  4250. }
  4251. }
  4252. return 0;
  4253. }
  4254. /**
  4255. * Get the list of course tools that have to be dealt with in case of
  4256. * registering any course to a session
  4257. * @return array The list of tools to be dealt with (literal names)
  4258. */
  4259. public static function getCourseToolToBeManaged()
  4260. {
  4261. return array(
  4262. 'courseDescription',
  4263. 'courseIntroduction'
  4264. );
  4265. }
  4266. /**
  4267. * Calls the methods bound to each tool when a course is registered into a session
  4268. * @param int $sessionId
  4269. * @param int $courseId
  4270. * @return void
  4271. */
  4272. public static function installCourse($sessionId, $courseId)
  4273. {
  4274. return true;
  4275. $toolList = self::getCourseToolToBeManaged();
  4276. foreach ($toolList as $tool) {
  4277. $method = 'add' . $tool;
  4278. if (method_exists(get_class(), $method)) {
  4279. self::$method($sessionId, $courseId);
  4280. }
  4281. }
  4282. }
  4283. /**
  4284. * Calls the methods bound to each tool when a course is unregistered from
  4285. * a session
  4286. * @param int $sessionId
  4287. * @param int $courseId
  4288. */
  4289. public static function unInstallCourse($sessionId, $courseId)
  4290. {
  4291. return true;
  4292. $toolList = self::getCourseToolToBeManaged();
  4293. foreach ($toolList as $tool) {
  4294. $method = 'remove' . $tool;
  4295. if (method_exists(get_class(), $method)) {
  4296. self::$method($sessionId, $courseId);
  4297. }
  4298. }
  4299. }
  4300. /**
  4301. * @param int $sessionId
  4302. * @param int $courseId
  4303. */
  4304. public static function addCourseIntroduction($sessionId, $courseId)
  4305. {
  4306. // @todo create a tool intro lib
  4307. $sessionId = intval($sessionId);
  4308. $courseId = intval($courseId);
  4309. $TBL_INTRODUCTION = Database::get_course_table(TABLE_TOOL_INTRO);
  4310. $sql = "SELECT * FROM $TBL_INTRODUCTION WHERE c_id = $courseId";
  4311. $result = Database::query($sql);
  4312. $result = Database::store_result($result, 'ASSOC');
  4313. if (!empty($result)) {
  4314. foreach ($result as $result) {
  4315. // @todo check if relation exits.
  4316. $result['session_id'] = $sessionId;
  4317. Database::insert($TBL_INTRODUCTION, $result);
  4318. }
  4319. }
  4320. }
  4321. /**
  4322. * @param int $sessionId
  4323. * @param int $courseId
  4324. */
  4325. public static function removeCourseIntroduction($sessionId, $courseId)
  4326. {
  4327. $sessionId = intval($sessionId);
  4328. $courseId = intval($courseId);
  4329. $TBL_INTRODUCTION = Database::get_course_table(TABLE_TOOL_INTRO);
  4330. $sql = "DELETE FROM $TBL_INTRODUCTION WHERE c_id = $courseId AND session_id = $sessionId";
  4331. Database::query($sql);
  4332. }
  4333. /**
  4334. * @param int $sessionId
  4335. * @param int $courseId
  4336. */
  4337. public static function addCourseDescription($sessionId, $courseId)
  4338. {
  4339. /* $description = new CourseDescription();
  4340. $descriptions = $description->get_descriptions($courseId);
  4341. foreach ($descriptions as $description) {
  4342. } */
  4343. }
  4344. /**
  4345. * @param int $sessionId
  4346. * @param int $courseId
  4347. */
  4348. public static function removeCourseDescription($sessionId, $courseId)
  4349. {
  4350. }
  4351. /**
  4352. * @param array $list format see self::importSessionDrhCSV()
  4353. * @param bool $sendEmail
  4354. * @param bool $removeOldRelationShips
  4355. * @return string
  4356. */
  4357. public static function subscribeDrhToSessionList($userSessionList, $sendEmail, $removeOldRelationShips)
  4358. {
  4359. if (!empty($userSessionList)) {
  4360. foreach ($userSessionList as $userId => $data) {
  4361. $sessionList = array();
  4362. foreach ($data['session_list'] as $sessionInfo) {
  4363. $sessionList[] = $sessionInfo['session_id'];
  4364. }
  4365. $userInfo = $data['user_info'];
  4366. self::suscribe_sessions_to_hr_manager($userInfo, $sessionList, $sendEmail, $removeOldRelationShips);
  4367. }
  4368. }
  4369. }
  4370. /**
  4371. * @param array $userSessionList format see self::importSessionDrhCSV()
  4372. */
  4373. public static function checkSubscribeDrhToSessionList($userSessionList)
  4374. {
  4375. $message = null;
  4376. if (!empty($userSessionList)) {
  4377. if (!empty($userSessionList)) {
  4378. foreach ($userSessionList as $userId => $data) {
  4379. $userInfo = $data['user_info'];
  4380. $sessionListSubscribed = self::get_sessions_followed_by_drh($userId);
  4381. if (!empty($sessionListSubscribed)) {
  4382. $sessionListSubscribed = array_keys($sessionListSubscribed);
  4383. }
  4384. $sessionList = array();
  4385. if (!empty($data['session_list'])) {
  4386. foreach ($data['session_list'] as $sessionInfo) {
  4387. if (in_array($sessionInfo['session_id'], $sessionListSubscribed)) {
  4388. $sessionList[] = $sessionInfo['session_info']['name'];
  4389. }
  4390. }
  4391. }
  4392. $message .= '<strong>' . get_lang('User') . '</strong> ' . $userInfo['complete_name'] . ' <br />';
  4393. if (!in_array($userInfo['status'], array(DRH)) && !api_is_platform_admin_by_id($userInfo['user_id'])) {
  4394. $message .= get_lang('UserMustHaveTheDrhRole') . '<br />';
  4395. continue;
  4396. }
  4397. if (!empty($sessionList)) {
  4398. $message .= '<strong>' . get_lang('Sessions') . ':</strong> <br />';
  4399. $message .= implode(', ', $sessionList) . '<br /><br />';
  4400. } else {
  4401. $message .= get_lang('NoSessionProvided') . ' <br /><br />';
  4402. }
  4403. }
  4404. }
  4405. }
  4406. return $message;
  4407. }
  4408. /**
  4409. * @param string $file
  4410. * @param bool $sendEmail
  4411. * @param bool $removeOldRelationShips
  4412. */
  4413. public static function importSessionDrhCSV($file, $sendEmail, $removeOldRelationShips)
  4414. {
  4415. $list = Import::csv_reader($file);
  4416. if (!empty($list)) {
  4417. $userSessionList = array();
  4418. foreach ($list as $data) {
  4419. $userInfo = api_get_user_info_from_username($data['Username']);
  4420. $sessionInfo = self::get_session_by_name($data['SessionName']);
  4421. if (!empty($userInfo) && !empty($sessionInfo)) {
  4422. $userSessionList[$userInfo['user_id']]['session_list'][] = array(
  4423. 'session_id' => $sessionInfo['id'],
  4424. 'session_info' => $sessionInfo
  4425. );
  4426. $userSessionList[$userInfo['user_id']]['user_info'] = $userInfo;
  4427. }
  4428. }
  4429. self::subscribeDrhToSessionList($userSessionList, $sendEmail, $removeOldRelationShips);
  4430. return self::checkSubscribeDrhToSessionList($userSessionList);
  4431. }
  4432. }
  4433. /**
  4434. * Courses re-ordering in resume_session.php flag see BT#8316
  4435. */
  4436. public static function orderCourseIsEnabled()
  4437. {
  4438. global $_configuration;
  4439. if (isset($_configuration['session_course_ordering']) &&
  4440. $_configuration['session_course_ordering']
  4441. ) {
  4442. return true;
  4443. }
  4444. return false;
  4445. }
  4446. /**
  4447. * @param string $direction (up/down)
  4448. * @param int $sessionId
  4449. * @param string $courseCode
  4450. * @return bool
  4451. */
  4452. public static function move($direction, $sessionId, $courseCode)
  4453. {
  4454. if (!self::orderCourseIsEnabled()) {
  4455. return false;
  4456. }
  4457. $sessionId = intval($sessionId);
  4458. $courseCode = Database::escape_string($courseCode);
  4459. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  4460. $courseList = self::get_course_list_by_session_id($sessionId, null, 'position');
  4461. $position = array();
  4462. $count = 0;
  4463. foreach ($courseList as $course) {
  4464. if ($course['position'] == '') {
  4465. $course['position'] = $count;
  4466. }
  4467. $position[$course['code']] = $course['position'];
  4468. // Saving current order.
  4469. $sql = "UPDATE $table SET position = $count
  4470. WHERE id_session = $sessionId AND course_code = '".$course['code']."'";
  4471. Database::query($sql);
  4472. $count++;
  4473. }
  4474. // Loading new positions.
  4475. $courseList = self::get_course_list_by_session_id($sessionId, null, 'position');
  4476. $found = false;
  4477. switch ($direction) {
  4478. case 'up':
  4479. $courseList = array_reverse($courseList);
  4480. break;
  4481. case 'down':
  4482. break;
  4483. }
  4484. foreach ($courseList as $course) {
  4485. if ($found) {
  4486. $nextId = $course['code'];
  4487. $nextOrder = $course['position'];
  4488. break;
  4489. }
  4490. if ($courseCode == $course['code']) {
  4491. $thisCourseCode = $course['code'];
  4492. $thisOrder = $course['position'];
  4493. $found = true;
  4494. }
  4495. }
  4496. $sql1 = "UPDATE $table SET position = '".intval($nextOrder)."'
  4497. WHERE id_session = $sessionId AND course_code = '".$thisCourseCode."'";
  4498. $sql2 = "UPDATE $table SET position = '".intval($thisOrder)."'
  4499. WHERE id_session = $sessionId AND course_code = '".$nextId."'";
  4500. Database::query($sql1);
  4501. Database::query($sql2);
  4502. return true;
  4503. }
  4504. /**
  4505. * @param int $sessionId
  4506. * @param string $courseCode
  4507. * @return bool
  4508. */
  4509. public static function moveUp($sessionId, $courseCode)
  4510. {
  4511. return self::move('up', $sessionId, $courseCode);
  4512. }
  4513. /**
  4514. * @param int $sessionId
  4515. * @param string $courseCode
  4516. * @return bool
  4517. */
  4518. public static function moveDown($sessionId, $courseCode)
  4519. {
  4520. return self::move('down', $sessionId, $courseCode);
  4521. }
  4522. /**
  4523. * Use the session duration to allow/block user access see BT#8317
  4524. * Needs these DB changes
  4525. * ALTER TABLE session ADD COLUMN duration int;
  4526. * ALTER TABLE session_rel_user ADD COLUMN duration int;
  4527. */
  4528. public static function durationPerUserIsEnabled()
  4529. {
  4530. global $_configuration;
  4531. if (isset($_configuration['session_duration_feature']) &&
  4532. $_configuration['session_duration_feature']
  4533. ) {
  4534. return true;
  4535. }
  4536. return false;
  4537. }
  4538. /**
  4539. * Returns the number of days the student has left in a session when using
  4540. * sessions durations
  4541. * @param int $userId
  4542. * @param int $sessionId
  4543. * @param int $duration in days
  4544. * @return int
  4545. */
  4546. public static function getDayLeftInSession($sessionId, $userId, $duration)
  4547. {
  4548. // Get an array with the details of the first access of the student to
  4549. // this session
  4550. $courseAccess = CourseManager::getFirstCourseAccessPerSessionAndUser(
  4551. $sessionId,
  4552. $userId
  4553. );
  4554. $currentTime = time();
  4555. // If no previous access, return false
  4556. if (count($courseAccess) == 0) {
  4557. return false;
  4558. }
  4559. $firstAccess = api_strtotime($courseAccess['login_course_date'], 'UTC');
  4560. $endDateInSeconds = $firstAccess + $duration*24*60*60;
  4561. $leftDays = round(($endDateInSeconds- $currentTime) / 60 / 60 / 24);
  4562. return $leftDays;
  4563. }
  4564. /**
  4565. * @param int $duration
  4566. * @param int $userId
  4567. * @param int $sessionId
  4568. */
  4569. public static function editUserSessionDuration($duration, $userId, $sessionId)
  4570. {
  4571. $duration = intval($duration);
  4572. $userId = intval($userId);
  4573. $sessionId = intval($sessionId);
  4574. if (empty($userId) || empty($sessionId)) {
  4575. return false;
  4576. }
  4577. $table = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  4578. $parameters = array('duration' => $duration);
  4579. $where = array('id_session = ? AND id_user = ? ' => array($sessionId, $userId));
  4580. Database::update($table, $parameters, $where);
  4581. }
  4582. /**
  4583. * Gets one row from the session_rel_user table
  4584. * @param int The user ID
  4585. * @param int The session ID
  4586. * @return array
  4587. */
  4588. public static function getUserSession($userId, $sessionId)
  4589. {
  4590. $userId = intval($userId);
  4591. $sessionId = intval($sessionId);
  4592. if (empty($userId) || empty($sessionId)) {
  4593. return false;
  4594. }
  4595. $table = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  4596. $sql = "SELECT * FROM $table WHERE id_session =$sessionId AND id_user = $userId";
  4597. $result = Database::query($sql);
  4598. $values = array();
  4599. if (Database::num_rows($result)) {
  4600. $values = Database::fetch_array($result, 'ASSOC');
  4601. }
  4602. return $values;
  4603. }
  4604. /**
  4605. * Check if user is subscribed inside a session as student
  4606. * @param int $sessionId The session id
  4607. * @param int $userId The user id
  4608. * @return boolean Whether is subscribed
  4609. */
  4610. public static function isUserSusbcribedAsStudent($sessionId, $userId) {
  4611. $sessionRelUserTable = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  4612. $sessionId = Database::escape_string($sessionId);
  4613. $userId = Database::escape_string($userId);
  4614. $sql = "SELECT COUNT(1) AS qty FROM $sessionRelUserTable "
  4615. . "WHERE id_session = $sessionId AND id_user = $userId AND relation_type = 0";
  4616. $result = Database::fetch_assoc(Database::query($sql));
  4617. if (!empty($result) && $result['qty'] > 0) {
  4618. return true;
  4619. }
  4620. return false;
  4621. }
  4622. /**
  4623. * Get the formatted date of a session by its start and end date
  4624. * @param array $sessionInfo The session information containing the start and end date
  4625. * @return string The formatted date
  4626. */
  4627. public static function getSessionFormattedDate($sessionInfo)
  4628. {
  4629. if ($sessionInfo['date_start'] == '0000-00-00' && $sessionInfo['date_end'] == '0000-00-00') {
  4630. return get_lang('NoTimeLimits');
  4631. } else {
  4632. $startDate = '';
  4633. $endDate = '';
  4634. if ($sessionInfo['date_start'] != '0000-00-00') {
  4635. $startDate = get_lang('From') . ' ' . api_format_date($sessionInfo['date_start'], DATE_FORMAT_LONG_NO_DAY);
  4636. } else {
  4637. $startDate = '';
  4638. }
  4639. if ($sessionInfo['date_end'] == '0000-00-00') {
  4640. $endDate = '';
  4641. } else {
  4642. $endDate = get_lang('Until') . ' ' . api_format_date($sessionInfo['date_end'], DATE_FORMAT_LONG_NO_DAY);
  4643. }
  4644. return "$startDate $endDate";
  4645. }
  4646. }
  4647. /**
  4648. * Get the session coached by a user
  4649. * @param int $coachId The coach id
  4650. * @param boolean $checkSessionRelUserVisibility Optional. Check the session visibility
  4651. * @return array The session list
  4652. */
  4653. public static function getSessionsCoachedByUser($coachId, $checkSessionRelUserVisibility = false)
  4654. {
  4655. $sessions = self::get_sessions_by_general_coach($coachId);
  4656. $sessionsByCoach = self::get_sessions_by_coach($coachId);
  4657. if (!empty($sessionsByCoach)) {
  4658. $sessions = array_merge($sessions, $sessionsByCoach);
  4659. }
  4660. //Remove repeated sessions
  4661. if (!empty($sessions)) {
  4662. $cleanSessions = array();
  4663. foreach ($sessions as $session) {
  4664. $cleanSessions[$session['id']] = $session;
  4665. }
  4666. $sessions = $cleanSessions;
  4667. }
  4668. if ($checkSessionRelUserVisibility) {
  4669. if (!empty($sessions)) {
  4670. $newSessions = array();
  4671. foreach ($sessions as $session) {
  4672. $visibility = api_get_session_visibility($session['id']);
  4673. if ($visibility == SESSION_INVISIBLE) {
  4674. continue;
  4675. }
  4676. $newSessions[] = $session;
  4677. }
  4678. $sessions = $newSessions;
  4679. }
  4680. }
  4681. return $sessions;
  4682. }
  4683. /**
  4684. * Check if the course belongs to the session
  4685. * @param int $sessionId The session id
  4686. * @param string $courseCode The course code
  4687. */
  4688. public static function sessionHasCourse($sessionId, $courseCode) {
  4689. $sessionId = intval($sessionId);
  4690. $courseCode = Database::escape_string($courseCode);
  4691. $courseTablee = Database::get_main_table(TABLE_MAIN_COURSE);
  4692. $sessionRelCourseTable = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  4693. $sql = "SELECT COUNT(1) AS qty FROM $courseTablee c "
  4694. . "INNER JOIN $sessionRelCourseTable src "
  4695. . "ON c.code = src.course_code "
  4696. . "WHERE src.id_session = $sessionId "
  4697. . "AND c.code = '$courseCode'";
  4698. $result = Database::query($sql);
  4699. if ($result !== false) {
  4700. $data = Database::fetch_assoc($result);
  4701. if ($data['qty'] > 0) {
  4702. return true;
  4703. }
  4704. }
  4705. return false;
  4706. }
  4707. }