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