sessionmanager.lib.php 210 KB

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