sessionmanager.lib.php 167 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * This is the session library for Chamilo.
  5. * All main sessions functions should be placed here.
  6. * This class provides methods for sessions management.
  7. * Include/require it in your code to use its features.
  8. * @package chamilo.library
  9. */
  10. /**
  11. * Class SessionManager
  12. */
  13. class SessionManager
  14. {
  15. public function __construct()
  16. {
  17. }
  18. /**
  19. * Fetches a session from the database
  20. * @param int Session ID
  21. * @return array Session details
  22. */
  23. public static function fetch($id)
  24. {
  25. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  26. if ($id != strval(intval($id))) {
  27. return array();
  28. }
  29. $s = "SELECT * FROM $t WHERE id = $id";
  30. $r = Database::query($s);
  31. if (Database::num_rows($r) != 1) {
  32. return array();
  33. }
  34. return Database::fetch_array($r,'ASSOC');
  35. }
  36. /**
  37. * Create a session
  38. * @author Carlos Vargas <carlos.vargas@beeznest.com>, from existing code
  39. * @param string name
  40. * @param integer Start year (yyyy)
  41. * @param integer Start month (mm)
  42. * @param integer Start day (dd)
  43. * @param integer End year (yyyy)
  44. * @param integer End month (mm)
  45. * @param integer End day (dd)
  46. * @param integer Number of days that the coach can access the session before the start date
  47. * @param integer Number of days that the coach can access the session after the end date
  48. * @param integer If 1, means there are no date limits
  49. * @param mixed If integer, this is the session coach id, if string, the coach ID will be looked for from the user table
  50. * @param integer ID of the session category in which this session is registered
  51. * @param integer Visibility after end date (0 = read-only, 1 = invisible, 2 = accessible)
  52. * @param string Start limit = true if the start date has to be considered
  53. * @param string End limit = true if the end date has to be considered
  54. * @param string $fix_name
  55. * @todo use an array to replace all this parameters or use the model.lib.php ...
  56. * @return mixed Session ID on success, error message otherwise
  57. **/
  58. public static function create_session(
  59. $sname,
  60. $syear_start,
  61. $smonth_start,
  62. $sday_start,
  63. $syear_end,
  64. $smonth_end,
  65. $sday_end,
  66. $snb_days_acess_before,
  67. $snb_days_acess_after,
  68. $nolimit,
  69. $coach_username,
  70. $id_session_category,
  71. $id_visibility,
  72. $start_limit = true,
  73. $end_limit = true,
  74. $fix_name = false
  75. ) {
  76. global $_configuration;
  77. //Check portal limits
  78. $access_url_id = 1;
  79. if (api_get_multiple_access_url()) {
  80. $access_url_id = api_get_current_access_url_id();
  81. }
  82. if (is_array($_configuration[$access_url_id]) && isset($_configuration[$access_url_id]['hosting_limit_sessions']) && $_configuration[$access_url_id]['hosting_limit_sessions'] > 0) {
  83. $num = self::count_sessions();
  84. if ($num >= $_configuration[$access_url_id]['hosting_limit_sessions']) {
  85. return get_lang('PortalSessionsLimitReached');
  86. }
  87. }
  88. $name = Database::escape_string(trim($sname));
  89. $year_start = intval($syear_start);
  90. $month_start = intval($smonth_start);
  91. $day_start = intval($sday_start);
  92. $year_end = intval($syear_end);
  93. $month_end = intval($smonth_end);
  94. $day_end = intval($sday_end);
  95. $nb_days_acess_before = intval($snb_days_acess_before);
  96. $nb_days_acess_after = intval($snb_days_acess_after);
  97. $id_session_category = intval($id_session_category);
  98. $id_visibility = intval($id_visibility);
  99. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  100. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  101. if (is_int($coach_username)) {
  102. $id_coach = $coach_username;
  103. } else {
  104. $sql = 'SELECT user_id FROM '.$tbl_user.' WHERE username="'.Database::escape_string($coach_username).'"';
  105. $rs = Database::query($sql);
  106. $id_coach = Database::result($rs,0,'user_id');
  107. }
  108. if (empty($nolimit)) {
  109. $date_start ="$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  110. $date_end ="$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  111. } else {
  112. $id_visibility = 1; // by default session visibility is read only
  113. $date_start ="0000-00-00";
  114. $date_end ="0000-00-00";
  115. }
  116. if (empty($end_limit)) {
  117. $date_end ="0000-00-00";
  118. $id_visibility = 1; // by default session visibility is read only
  119. }
  120. if (empty($start_limit)) {
  121. $date_start ="0000-00-00";
  122. }
  123. if (empty($name)) {
  124. $msg=get_lang('SessionNameIsRequired');
  125. return $msg;
  126. } elseif (empty($coach_username)) {
  127. $msg=get_lang('CoachIsRequired');
  128. return $msg;
  129. } elseif (!empty($start_limit) && empty($nolimit) && (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start))) {
  130. $msg=get_lang('InvalidStartDate');
  131. return $msg;
  132. } elseif (!empty($end_limit) && empty($nolimit) && (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end))) {
  133. $msg=get_lang('InvalidEndDate');
  134. return $msg;
  135. } elseif(!empty($start_limit) && !empty($end_limit) && empty($nolimit) && $date_start >= $date_end) {
  136. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  137. return $msg;
  138. } else {
  139. $ready_to_create = false;
  140. if ($fix_name) {
  141. $name = self::generate_nice_next_session_name($name);
  142. if ($name) {
  143. $ready_to_create = true;
  144. } else {
  145. $msg=get_lang('SessionNameAlreadyExists');
  146. return $msg;
  147. }
  148. } else {
  149. $rs = Database::query("SELECT 1 FROM $tbl_session WHERE name='".$name."'");
  150. if (Database::num_rows($rs)) {
  151. $msg=get_lang('SessionNameAlreadyExists');
  152. return $msg;
  153. }
  154. $ready_to_create = true;
  155. }
  156. if ($ready_to_create) {
  157. $sql_insert = "INSERT INTO $tbl_session(name,date_start,date_end,id_coach,session_admin_id, nb_days_access_before_beginning, nb_days_access_after_end, session_category_id,visibility)
  158. VALUES('".$name."','$date_start','$date_end','$id_coach',".api_get_user_id().",".$nb_days_acess_before.", ".$nb_days_acess_after.", ".$id_session_category.", ".$id_visibility.")";
  159. Database::query($sql_insert);
  160. $session_id = Database::insert_id();
  161. if (!empty($session_id)) {
  162. /*
  163. Sends a message to the user_id = 1
  164. $user_info = api_get_user_info(1);
  165. $complete_name = $user_info['firstname'].' '.$user_info['lastname'];
  166. $subject = api_get_setting('siteName').' - '.get_lang('ANewSessionWasCreated');
  167. $message = get_lang('ANewSessionWasCreated')." <br /> ".get_lang('NameOfTheSession').' : '.$name;
  168. api_mail_html($complete_name, $user_info['email'], $subject, $message);
  169. *
  170. */
  171. //Adding to the correct URL
  172. $access_url_id = api_get_current_access_url_id();
  173. UrlManager::add_session_to_url($session_id,$access_url_id);
  174. // add event to system log
  175. $user_id = api_get_user_id();
  176. event_system(LOG_SESSION_CREATE, LOG_SESSION_ID, $session_id, api_get_utc_datetime(), $user_id);
  177. }
  178. return $session_id;
  179. }
  180. }
  181. }
  182. /**
  183. * @param string $name
  184. * @return bool
  185. */
  186. public static function session_name_exists($name)
  187. {
  188. $name = Database::escape_string($name);
  189. $sql = "SELECT COUNT(*) as count FROM ".Database::get_main_table(TABLE_MAIN_SESSION)."
  190. WHERE name = '$name'";
  191. $result = Database::fetch_array(Database::query($sql));
  192. return $result['count'] > 0;
  193. }
  194. /**
  195. * @param string $where_condition
  196. * @return mixed
  197. */
  198. public static function get_count_admin($where_condition = null)
  199. {
  200. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  201. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  202. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  203. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  204. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  205. $where = 'WHERE 1=1 ';
  206. $user_id = api_get_user_id();
  207. $extraJoin = null;
  208. if (api_is_session_admin() &&
  209. api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false'
  210. ) {
  211. $where .= " AND (
  212. s.session_admin_id = $user_id OR
  213. sru.id_user = '$user_id' AND
  214. sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."'
  215. )
  216. ";
  217. $extraJoin = " INNER JOIN $tbl_session_rel_user sru
  218. ON sru.id_session = s.id ";
  219. }
  220. $today = api_get_utc_datetime();
  221. $today = api_strtotime($today, 'UTC');
  222. $today = date('Y-m-d', $today);
  223. if (!empty($where_condition)) {
  224. $where_condition = str_replace('category_name', 'sc.name', $where_condition);
  225. $where_condition = str_replace(
  226. array("AND session_active = '1' )", " AND ( session_active = '1' )"),
  227. array(') GROUP BY s.name HAVING session_active = 1 ', " GROUP BY s.name HAVING session_active = 1 " )
  228. , $where_condition
  229. );
  230. $where_condition = str_replace(
  231. array("AND session_active = '0' )", " AND ( session_active = '0' )"),
  232. array(') GROUP BY s.name HAVING session_active = 0 ', " GROUP BY s.name HAVING session_active = '0' "),
  233. $where_condition
  234. );
  235. } else {
  236. $where_condition = " AND 1 = 1";
  237. }
  238. $courseCondition = null;
  239. if (strpos($where_condition, 'c.id')) {
  240. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  241. $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
  242. $courseCondition = " INNER JOIN $table course_rel_session ON (s.id = course_rel_session.id_session)
  243. INNER JOIN $tableCourse c ON (course_rel_session.course_code = c.code)
  244. ";
  245. }
  246. $sql = "SELECT count(id) as total_rows FROM (
  247. SELECT
  248. IF (
  249. (s.date_start <= '$today' AND '$today' <= s.date_end) OR
  250. (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start,'".$today."' ".") <= s.nb_days_access_before_beginning) OR
  251. (s.nb_days_access_after_end > 0 AND DATEDIFF('".$today."',s.date_end) <= s.nb_days_access_after_end) OR
  252. (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
  253. (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
  254. ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
  255. , 1, 0)
  256. as session_active,
  257. s.id,
  258. count(*) as total_rows
  259. FROM $tbl_session s
  260. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  261. INNER JOIN $tbl_user u ON s.id_coach = u.user_id
  262. $courseCondition
  263. $extraJoin
  264. $where $where_condition ) as session_table";
  265. if (api_is_multiple_url_enabled()) {
  266. $access_url_id = api_get_current_access_url_id();
  267. if ($access_url_id != -1) {
  268. $where.= " AND ar.access_url_id = $access_url_id ";
  269. $sql = "SELECT count(id) as total_rows FROM (
  270. SELECT
  271. IF (
  272. (s.date_start <= '$today' AND '$today' <= s.date_end) OR
  273. (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start,'".$today."' ".") <= s.nb_days_access_before_beginning) OR
  274. (s.nb_days_access_after_end > 0 AND DATEDIFF('".$today."',s.date_end) <= s.nb_days_access_after_end) OR
  275. (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
  276. (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
  277. ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
  278. , 1, 0)
  279. as session_active,
  280. s.id
  281. FROM $tbl_session s
  282. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  283. INNER JOIN $tbl_user u ON s.id_coach = u.user_id
  284. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  285. $courseCondition
  286. $extraJoin
  287. $where $where_condition) as session_table";
  288. }
  289. }
  290. $result_rows = Database::query($sql);
  291. $row = Database::fetch_array($result_rows);
  292. $num = $row['total_rows'];
  293. return $num;
  294. }
  295. /**
  296. * Gets the admin session list callback of the admin/session_list.php page
  297. * @param array $options order and limit keys
  298. * @return array
  299. */
  300. public static function get_sessions_admin($options)
  301. {
  302. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  303. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  304. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  305. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  306. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  307. $where = ' WHERE 1=1 ';
  308. $user_id = api_get_user_id();
  309. $extraJoin = null;
  310. if (api_is_session_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false') {
  311. $where .= " AND (
  312. s.session_admin_id = $user_id OR
  313. sru.id_user = '$user_id' AND
  314. sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."'
  315. )
  316. ";
  317. $extraJoin = " INNER JOIN $tbl_session_rel_user sru
  318. ON sru.id_session = s.id ";
  319. }
  320. $coach_name = " CONCAT(u.lastname , ' ', u.firstname) as coach_name ";
  321. if (api_is_western_name_order()) {
  322. $coach_name = " CONCAT(u.firstname, ' ', u.lastname) as coach_name ";
  323. }
  324. $options['where'] = str_replace(
  325. array("AND session_active = '1' )", " AND ( session_active = '1' )"),
  326. array(') GROUP BY s.name HAVING session_active = 1 ', " GROUP BY s.name HAVING session_active = 1 " )
  327. , $options['where']
  328. );
  329. $options['where'] = str_replace(
  330. array("AND session_active = '0' )", " AND ( session_active = '0' )"),
  331. array(') GROUP BY s.name HAVING session_active = 0 ', " GROUP BY s.name HAVING session_active = '0' "),
  332. $options['where']
  333. );
  334. $today = api_get_utc_datetime();
  335. $today = api_strtotime($today, 'UTC');
  336. $today = date('Y-m-d', $today);
  337. $courseCondition = null;
  338. if (strpos($options['where'], 'c.id')) {
  339. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  340. $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
  341. $courseCondition = " INNER JOIN $table course_rel_session ON (s.id = course_rel_session.id_session)
  342. INNER JOIN $tableCourse c ON (course_rel_session.course_code = c.code)
  343. ";
  344. }
  345. $select = "SELECT * FROM (SELECT
  346. IF (
  347. (s.date_start <= '$today' AND '$today' <= s.date_end) OR
  348. (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start,'".$today."' ".") <= s.nb_days_access_before_beginning) OR
  349. (s.nb_days_access_after_end > 0 AND DATEDIFF('".$today."',s.date_end) <= s.nb_days_access_after_end) OR
  350. (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
  351. (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
  352. ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
  353. , 1, 0)
  354. as session_active,
  355. s.name,
  356. nbr_courses,
  357. s.nbr_users,
  358. s.date_start,
  359. s.date_end,
  360. $coach_name,
  361. sc.name as category_name,
  362. s.visibility,
  363. u.user_id,
  364. s.id";
  365. $limit = null;
  366. if (!empty($options['limit'])) {
  367. $limit = " LIMIT ".$options['limit'];
  368. }
  369. if (!empty($options['where'])) {
  370. $where .= ' '.$options['where'];
  371. }
  372. $order = null;
  373. if (!empty($options['order'])) {
  374. $order = " ORDER BY ".$options['order'];
  375. }
  376. $query = "$select FROM $tbl_session s
  377. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  378. LEFT JOIN $tbl_user u ON s.id_coach = u.user_id
  379. $courseCondition
  380. $extraJoin
  381. $where $order $limit";
  382. if (api_is_multiple_url_enabled()) {
  383. $access_url_id = api_get_current_access_url_id();
  384. if ($access_url_id != -1) {
  385. $query = " $select
  386. FROM $tbl_session s
  387. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  388. LEFT JOIN $tbl_user u ON s.id_coach = u.user_id
  389. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id AND ar.access_url_id = $access_url_id
  390. $courseCondition
  391. $extraJoin
  392. $where $order $limit";
  393. }
  394. }
  395. $query .= ") AS session_table";
  396. $result = Database::query($query);
  397. $formatted_sessions = array();
  398. if (Database::num_rows($result)) {
  399. $sessions = Database::store_result($result);
  400. foreach ($sessions as $session) {
  401. $session['name'] = Display::url($session['name'], "resume_session.php?id_session=".$session['id']);
  402. $session['coach_name'] = Display::url($session['coach_name'], "user_information.php?user_id=".$session['user_id']);
  403. if ($session['date_start'] == '0000-00-00' && $session['date_end'] == '0000-00-00') {
  404. // $session['session_active'] = 1;
  405. }
  406. if ($session['session_active'] == 1) {
  407. $session['session_active'] = Display::return_icon('accept.png', get_lang('Active'), array(), ICON_SIZE_SMALL);
  408. } else {
  409. $session['session_active'] = Display::return_icon('error.png', get_lang('Inactive'), array(), ICON_SIZE_SMALL);
  410. }
  411. if ($session['date_start'] == '0000-00-00') {
  412. $session['date_start'] = '';
  413. }
  414. if ($session['date_end'] == '0000-00-00') {
  415. $session['date_end'] = '';
  416. }
  417. switch ($session['visibility']) {
  418. case SESSION_VISIBLE_READ_ONLY: //1
  419. $session['visibility'] = get_lang('ReadOnly');
  420. break;
  421. case SESSION_VISIBLE: //2
  422. $session['visibility'] = get_lang('Visible');
  423. break;
  424. case SESSION_INVISIBLE: //3
  425. $session['visibility'] = api_ucfirst(get_lang('Invisible'));
  426. break;
  427. }
  428. $formatted_sessions[] = $session;
  429. }
  430. }
  431. return $formatted_sessions;
  432. }
  433. /**
  434. * Get total of records for progress of learning paths in the given session
  435. * @param int session id
  436. * @return int
  437. */
  438. public static function get_count_session_lp_progress($sessionId = 0) {
  439. $tbl_lp = Database::get_course_table(TABLE_LP_MAIN);
  440. $tbl_lp_view = Database::get_course_table(TABLE_LP_VIEW);
  441. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  442. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  443. $sql = "select count(*) as total_rows
  444. FROM $tbl_lp_view v
  445. INNER JOIN $tbl_lp l ON l.id = v.lp_id
  446. INNER JOIN $tbl_user u ON u.user_id = v.user_id
  447. INNER JOIN $tbl_course c";
  448. $sql .= ' WHERE v.session_id = ' . $sessionId;
  449. $result_rows = Database::query($sql);
  450. $row = Database::fetch_array($result_rows);
  451. $num = $row['total_rows'];
  452. return $num;
  453. }
  454. /**
  455. * Get the progress of a exercise
  456. * @param int session id
  457. * @return array
  458. */
  459. public static function get_exercise_progress($sessionId = 0, $courseId = 0, $exerciseId = 0, $answer = 2, $options = array())
  460. {
  461. $session = Database::get_main_table(TABLE_MAIN_SESSION);
  462. $user = Database::get_main_table(TABLE_MAIN_USER);
  463. $quiz = Database::get_course_table(TABLE_QUIZ_TEST);
  464. $quiz_answer = Database::get_course_table(TABLE_QUIZ_ANSWER);
  465. $quiz_question = Database::get_course_table(TABLE_QUIZ_QUESTION);
  466. $table_stats_exercises = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
  467. $table_stats_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
  468. require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.lib.php';
  469. $course = api_get_course_info_by_id($courseId);
  470. $exercise = current(get_exercise_by_id($exerciseId));
  471. $where = " WHERE a.course_code = '%s'";
  472. if (!empty($sessionId)) {
  473. $where .= " AND a.session_id = %d AND q.id = %d";
  474. } else {
  475. $where .= " AND q.title = '%s'";
  476. }
  477. //2 = show all questions (wrong and correct answered)
  478. if ($answer != 2) {
  479. $where .= sprintf(' AND qa.correct = %d', $answer);
  480. }
  481. $limit = null;
  482. if (!empty($options['limit'])) {
  483. $limit = " LIMIT ".$options['limit'];
  484. }
  485. if (!empty($options['where'])) {
  486. $where .= ' '.$options['where'];
  487. }
  488. $order = null;
  489. if (!empty($options['order'])) {
  490. $order = " ORDER BY ".$options['order'];
  491. }
  492. $sql = "SELECT
  493. s.name as session,
  494. CONCAT (q.c_id, q.id) as exercise_id,
  495. q.title as quiz_title,
  496. u.username,
  497. u.lastname,
  498. u.firstname,
  499. a.tms as time,
  500. qa.question_id,
  501. qq.question,
  502. qa.answer,
  503. qa.correct
  504. FROM $table_stats_attempt a
  505. LEFT JOIN $quiz_answer qa ON a.answer = qa.id_auto
  506. LEFT JOIN $quiz_question qq ON qq.id = qa.question_id
  507. INNER JOIN $table_stats_exercises e ON e.exe_id = a.exe_id
  508. INNER JOIN $session s ON s.id = a.session_id
  509. INNER JOIN $quiz q ON q.id = e.exe_exo_id
  510. INNER JOIN $user u ON u.user_id = a.user_id
  511. $where $order $limit";
  512. if (!empty($sessionId)) {
  513. $sql_query = sprintf($sql, $course['code'], $sessionId, $exerciseId);
  514. } else {
  515. $sql_query = sprintf($sql, $course['code'], $exercise['title']);
  516. }
  517. $rs = Database::query($sql_query);
  518. while ($row = Database::fetch_array($rs)) {
  519. $row['correct'] = ($row['correct'] == 1) ? get_lang('Yes') : get_lang('No');
  520. $data[] = $row;
  521. }
  522. return $data;
  523. }
  524. /**
  525. * Gets the progress of learning paths in the given session
  526. * @param int session id
  527. * @param array options order and limit keys
  528. * @return array table with user name, lp name, progress
  529. */
  530. public static function get_session_lp_progress($sessionId = 0, $courseId = 0, $options)
  531. {
  532. //tables
  533. $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  534. $user = Database::get_main_table(TABLE_MAIN_USER);
  535. $tbl_course_lp_view = Database::get_course_table(TABLE_LP_VIEW);
  536. $course = api_get_course_info_by_id($courseId);
  537. //getting all the students of the course
  538. //we are not using this because it only returns user ids
  539. /*if (empty($sessionId)
  540. {
  541. // Registered students in a course outside session.
  542. $users = CourseManager :: get_student_list_from_course_code($course_code);
  543. } else {
  544. // Registered students in session.
  545. $users = CourseManager :: get_student_list_from_course_code($course_code, true, $sessionId);
  546. }*/
  547. $where = " WHERE course_code = '%s'
  548. AND s.status <> 2 and id_session = %s";
  549. $limit = null;
  550. if (!empty($options['limit'])) {
  551. $limit = " LIMIT ".$options['limit'];
  552. }
  553. if (!empty($options['where'])) {
  554. $where .= ' '.$options['where'];
  555. }
  556. $order = null;
  557. if (!empty($options['order'])) {
  558. $order = " ORDER BY ".$options['order'];
  559. }
  560. $sql = "SELECT u.user_id, u.lastname, u.firstname, u.username, u.email, s.course_code
  561. FROM $session_course_user s
  562. INNER JOIN $user u ON u.user_id = s.id_user
  563. $where $order $limit";
  564. $sql_query = sprintf($sql, $course['code'], $sessionId);
  565. $rs = Database::query($sql_query);
  566. while ($user = Database::fetch_array($rs))
  567. {
  568. $users[$user['user_id']] = $user;
  569. }
  570. //Get lessons
  571. require_once api_get_path(SYS_CODE_PATH).'newscorm/learnpathList.class.php';
  572. $lessons = LearnpathList::get_course_lessons($course['code'], $sessionId);
  573. $table = array();
  574. foreach ($users as $user)
  575. {
  576. $data = array(
  577. 'lastname' => $user[1],
  578. 'firstname' => $user[2],
  579. 'username' => $user[3],
  580. );
  581. //Get lessons progress by user
  582. $sql = "SELECT v.lp_id as id, v.progress
  583. FROM $tbl_course_lp_view v
  584. WHERE v.session_id = %d
  585. AND v.c_id = %d
  586. AND v.user_id = %d";
  587. $sql_query = sprintf($sql, $sessionId, $courseId, $user['user_id']);
  588. $result = Database::query($sql_query);
  589. $user_lessons = array();
  590. while ($row = Database::fetch_array($result))
  591. {
  592. $user_lessons[$row['id']] = $row;
  593. }
  594. //Match course lessons with user progress
  595. $progress = 0;
  596. $count = 0;
  597. foreach ($lessons as $lesson)
  598. {
  599. $data[$lesson['id']] = (!empty($user_lessons[$lesson['id']]['progress'])) ? $user_lessons[$lesson['id']]['progress'] : 0;
  600. $progress += $data[$lesson['id']];
  601. $data[$lesson['id']] = $data[$lesson['id']] . '%';
  602. $count++;
  603. }
  604. $data['total'] = round($progress / $count, 2) . '%';
  605. $table[] = $data;
  606. }
  607. return $table;
  608. }
  609. /**
  610. * Gets the survey answers
  611. * @param int session id
  612. * @param int course id
  613. * @param int survey id
  614. * @param array options order and limit keys
  615. * @return array table with user name, lp name, progress
  616. */
  617. public static function get_survey_overview($sessionId = 0, $courseId = 0, $surveyId = 0, $options)
  618. {
  619. //tables
  620. $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  621. $user = Database::get_main_table(TABLE_MAIN_USER);
  622. $tbl_course_lp_view = Database::get_course_table(TABLE_LP_VIEW);
  623. $course = api_get_course_info_by_id($courseId);
  624. $where = " WHERE course_code = '%s'
  625. AND s.status <> 2 and id_session = %s";
  626. $limit = null;
  627. if (!empty($options['limit'])) {
  628. $limit = " LIMIT ".$options['limit'];
  629. }
  630. if (!empty($options['where'])) {
  631. $where .= ' '.$options['where'];
  632. }
  633. $order = null;
  634. if (!empty($options['order'])) {
  635. $order = " ORDER BY ".$options['order'];
  636. }
  637. $sql = "SELECT u.user_id, u.lastname, u.firstname, u.username, u.email, s.course_code
  638. FROM $session_course_user s
  639. INNER JOIN $user u ON u.user_id = s.id_user
  640. $where $order $limit";
  641. $sql_query = sprintf($sql, $course['code'], intval($sessionId));
  642. $rs = Database::query($sql_query);
  643. while ($user = Database::fetch_array($rs))
  644. {
  645. $users[$user['user_id']] = $user;
  646. }
  647. //Get survey questions
  648. $questions = survey_manager::get_questions($surveyId, $courseId);
  649. $table = array();
  650. foreach ($users as $user)
  651. {
  652. $data = array(
  653. 'lastname' => $user[1],
  654. 'firstname' => $user[2],
  655. 'username' => $user[3],
  656. );
  657. //Get questions by user
  658. $sql = "SELECT sa.question_id, sa.option_id
  659. FROM c_survey_answer sa
  660. INNER JOIN c_survey_question sq ON sq.question_id = sa.question_id
  661. WHERE sa.survey_id = %d AND sa.c_id = %d AND sa.user = %d";
  662. $sql_query = sprintf($sql, $surveyId, $courseId, $user['user_id']);
  663. $result = Database::query($sql_query);
  664. $user_questions = array();
  665. while ($row = Database::fetch_array($result))
  666. {
  667. $user_questions[$row['question_id']] = $row;
  668. }
  669. //Match course lessons with user progress
  670. foreach ($questions as $question_id => $question)
  671. {
  672. $data[$question_id] = $user_questions[$question_id]['option_id'];
  673. }
  674. $table[] = $data;
  675. }
  676. return $table;
  677. }
  678. /**
  679. * Gets the progress of the given session
  680. * @param int session id
  681. * @param array options order and limit keys
  682. * @return array table with user name, lp name, progress
  683. */
  684. public static function get_session_progress($sessionId, $courseId, $options)
  685. {
  686. //tables
  687. $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  688. $user = Database::get_main_table(TABLE_MAIN_USER);
  689. $workTable = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
  690. $workTableAssignment = Database::get_course_table(TABLE_STUDENT_PUBLICATION_ASSIGNMENT);
  691. $forum = Database::get_course_table(TABLE_FORUM);
  692. $forum_post = Database::get_course_table(TABLE_FORUM_POST);
  693. $tbl_course_lp = Database::get_course_table(TABLE_LP_MAIN);
  694. $wiki = Database::get_course_table(TABLE_WIKI);
  695. $table_stats_default = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DEFAULT);
  696. $table_stats_access = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ACCESS);
  697. $course = api_get_course_info_by_id($courseId);
  698. //getting all the students of the course
  699. //we are not using this because it only returns user ids
  700. /*if (empty($sessionId)
  701. {
  702. // Registered students in a course outside session.
  703. $users = CourseManager :: get_student_list_from_course_code($course_code);
  704. } else {
  705. // Registered students in session.
  706. $users = CourseManager :: get_student_list_from_course_code($course_code, true, $sessionId);
  707. }*/
  708. $where = " WHERE course_code = '%s'
  709. AND s.status <> 2 and id_session = %s";
  710. $limit = null;
  711. if (!empty($options['limit'])) {
  712. $limit = " LIMIT ".$options['limit'];
  713. }
  714. if (!empty($options['where'])) {
  715. $where .= ' '.$options['where'];
  716. }
  717. $order = null;
  718. if (!empty($options['order'])) {
  719. $order = " ORDER BY ".$options['order'];
  720. }
  721. $sql = "SELECT u.user_id, u.lastname, u.firstname, u.username, u.email, s.course_code
  722. FROM $session_course_user s
  723. INNER JOIN $user u ON u.user_id = s.id_user
  724. $where $order $limit";
  725. $sql_query = sprintf($sql, $course['code'], $sessionId);
  726. $rs = Database::query($sql_query);
  727. while ($user = Database::fetch_array($rs))
  728. {
  729. $users[$user['user_id']] = $user;
  730. }
  731. /**
  732. * Lessons
  733. */
  734. $sql = "SELECT * FROM $tbl_course_lp
  735. WHERE c_id = %s "; //AND session_id = %s
  736. $sql_query = sprintf($sql, $course['id']);
  737. $result = Database::query($sql_query);
  738. $lessons_total = 0;
  739. while ($row = Database::fetch_array($result))
  740. {
  741. if (api_get_item_visibility(api_get_course_info($course['code']), 'learnpath', $row['id'], $sessionId))
  742. {
  743. $lessons_total++;
  744. }
  745. }
  746. /**
  747. * Exercises
  748. */
  749. require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.lib.php';
  750. $exercises = get_all_exercises($course, $sessionId);
  751. $exercises_total = count($exercises);
  752. /**
  753. * Assignments
  754. */
  755. //total
  756. $sql = "SELECT count(w.id) as count
  757. FROM $workTable w
  758. LEFT JOIN $workTableAssignment a ON (a.publication_id = w.id AND a.c_id = w.c_id)
  759. WHERE w.c_id = %s
  760. AND parent_id = 0
  761. AND active IN (1, 0)
  762. AND session_id = %s";
  763. $sql_query = sprintf($sql, $course['real_id'], $sessionId);
  764. $result = Database::query($sql_query);
  765. $row = Database::fetch_array($result);
  766. $assignments_total = $row['count'];
  767. /**
  768. * Wiki
  769. */
  770. $sql = "SELECT count(distinct page_id) as count FROM $wiki
  771. WHERE c_id = %s and session_id = %s";
  772. $sql_query = sprintf($sql, $course['real_id'], $sessionId);
  773. $result = Database::query($sql_query);
  774. $row = Database::fetch_array($result);
  775. $wiki_total = $row['count'];
  776. /**
  777. * Surveys
  778. */
  779. $survey_user_list = array();
  780. $survey_list = survey_manager::get_surveys($course['code'], $sessionId);
  781. $surveys_total = count($survey_list);
  782. $survey_data = array();
  783. foreach ($survey_list as $survey)
  784. {
  785. $user_list = survey_manager::get_people_who_filled_survey($survey['survey_id'], false, $course['real_id']);
  786. foreach ($user_list as $user_id)
  787. {
  788. isset($survey_user_list[$user_id]) ? $survey_user_list[$user_id]++ : $survey_user_list[$user_id] = 1;
  789. }
  790. }
  791. /**
  792. * Forums
  793. */
  794. //total
  795. $sql = "SELECT count(*) as count
  796. FROM $forum f
  797. where f.c_id = %s and f.session_id = %s";
  798. $sql_query = sprintf($sql, $course['real_id'], $sessionId);
  799. $result = Database::query($sql_query);
  800. $row = Database::fetch_array($result);
  801. $forums_total = $row['count'];
  802. //process table info
  803. foreach ($users as $user)
  804. {
  805. //Course description
  806. $sql = "SELECT count(*) as count
  807. FROM $table_stats_access
  808. WHERE access_tool = 'course_description'
  809. AND access_cours_code = '%s'
  810. AND access_session_id = %s
  811. AND access_user_id = %s ";
  812. $sql_query = sprintf($sql, $course['code'], $sessionId, $user['user_id']);
  813. $result = Database::query($sql_query);
  814. $row = Database::fetch_array($result);
  815. $course_description_progress = ($row['count'] > 0) ? 100 : 0;
  816. //Lessons
  817. //TODO: Lessons done and left is calculated by progress per item in lesson, maybe we should calculate it only per completed lesson?
  818. $lessons_progress = Tracking::get_avg_student_progress($user['user_id'], $course['code'], array(), $sessionId);
  819. $lessons_done = ($lessons_progress * $lessons_total) / 100;
  820. $lessons_left = $lessons_total - $lessons_done;
  821. //Exercises
  822. $exercises_progress = str_replace('%', '', Tracking::get_exercise_student_progress($exercises, $user['user_id'], $course['code'], $sessionId));
  823. $exercises_done = ($exercises_progress * $exercises_total) / 100;
  824. $exercises_left = $exercises_total - $exercises_done;
  825. //Assignments
  826. $assignments_done = Tracking::count_student_assignments($user['user_id'], $course['code'], $sessionId);
  827. $assignments_left = $assignments_total - $assignments_done;
  828. $assignments_progress = round((( $assignments_done * 100 ) / $assignments_total ), 2);
  829. //Wiki
  830. //total revisions per user
  831. $sql = "SELECT count(*) as count
  832. FROM $wiki
  833. where c_id = %s and session_id = %s and user_id = %s";
  834. $sql_query = sprintf($sql, $course['real_id'], $sessionId, $user['user_id']);
  835. $result = Database::query($sql_query);
  836. $row = Database::fetch_array($result);
  837. $wiki_revisions = $row['count'];
  838. //count visited wiki pages
  839. $sql = "SELECT count(distinct default_value) as count
  840. FROM $table_stats_default
  841. WHERE default_user_id = %s
  842. AND default_cours_code = '%s'
  843. AND default_event_type = 'wiki_page_view'
  844. AND default_value_type = 'wiki_page_id'
  845. AND c_id = %s";
  846. $sql_query = sprintf($sql, $user['user_id'], $course['code'], $course['real_id']);
  847. $result = Database::query($sql_query);
  848. $row = Database::fetch_array($result);
  849. $wiki_read = $row['count'];
  850. $wiki_unread = $wiki_total - $wiki_read;
  851. $wiki_progress = round((( $wiki_read * 100 ) / $wiki_total), 2);
  852. //Surveys
  853. $surveys_done = (isset($survey_user_list[$user['user_id']]) ? $survey_user_list[$user['user_id']] : 0);
  854. $surveys_left = $surveys_total - $surveys_done;
  855. $surveys_progress = round((( $surveys_done * 100 ) / $surveys_total), 2);
  856. //Forums
  857. #$forums_done = Tracking::count_student_messages($user['user_id'], $course_code, $session_id);
  858. $sql = "SELECT count(distinct f.forum_id) as count FROM $forum_post p
  859. INNER JOIN $forum f ON f.forum_id = p.forum_id
  860. WHERE p.poster_id = %s and f.session_id = %s and p.c_id = %s";
  861. $sql_query = sprintf($sql, $user['user_id'], $sessionId, $course['real_id']);
  862. $result = Database::query($sql_query);
  863. $row = Database::fetch_array($result);
  864. $forums_done = $row['count'];
  865. $forums_left = $forums_total - $forums_done;
  866. $forums_progress = round((( $forums_done * 100 ) / $forums_total), 2);
  867. //Overall Total
  868. $overall_total = ($course_description_progress + $exercises_progress + $forums_progress + $assignments_progress + $wiki_progress + $surveys_progress) / 6;
  869. $table[] = array(
  870. 'lastname' => $user[1],
  871. 'firstname' => $user[2],
  872. 'username' => $user[3],
  873. #'profile' => '',
  874. 'total' => round($overall_total,2) . '%',
  875. 'courses' => $course_description_progress . '%',
  876. 'lessons' => $lessons_progress . '%',
  877. 'exercises' => $exercises_progress . '%',
  878. 'forums' => $forums_progress . '%',
  879. 'homeworks' => $assignments_progress . '%',
  880. 'wikis' => $wiki_progress . '%',
  881. 'surveys' => $surveys_progress . '%',
  882. //course description
  883. 'course_description_progress' => $course_description_progress . '%',
  884. //lessons
  885. 'lessons_total' => $lessons_total,
  886. 'lessons_done' => $lessons_done,
  887. 'lessons_left' => $lessons_left,
  888. 'lessons_progress' => $lessons_progress . '%',
  889. //exercises
  890. 'exercises_total' => $exercises_total,
  891. 'exercises_done' => $exercises_done,
  892. 'exercises_left' => $exercises_left,
  893. 'exercises_progress' => $exercises_progress . '%',
  894. //forums
  895. 'forums_total' => $forums_total,
  896. 'forums_done' => $forums_done,
  897. 'forums_left' => $forums_left,
  898. 'forums_progress' => $forums_progress . '%',
  899. //assignments
  900. 'assignments_total' => $assignments_total,
  901. 'assignments_done' => $assignments_done,
  902. 'assignments_left' => $assignments_left,
  903. 'assignments_progress' => $assignments_progress . '%',
  904. //wiki
  905. 'wiki_total' => $wiki_total,
  906. 'wiki_revisions' => $wiki_revisions,
  907. 'wiki_read' => $wiki_read,
  908. 'wiki_unread' => $wiki_unread,
  909. 'wiki_progress' => $wiki_progress . '%',
  910. //survey
  911. 'surveys_total' => $surveys_total,
  912. 'surveys_done' => $surveys_done,
  913. 'surveys_left' => $surveys_left,
  914. 'surveys_progress' => $surveys_progress . '%',
  915. );
  916. }
  917. return $table;
  918. }
  919. function get_number_of_tracking_access_overview() {
  920. // database table definition
  921. $track_e_course_access = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
  922. return Database::count_rows($track_e_course_access);
  923. }
  924. /**
  925. * Get the ip, total of clicks, login date and time logged in for all user, in one session
  926. * @todo track_e_course_access table should have ip so we dont have to look for it in track_e_login
  927. *
  928. * @author César Perales <cesar.perales@beeznest.com>, Beeznest Team
  929. * @version Chamilo 1.9.6
  930. */
  931. function get_user_data_access_tracking_overview($sessionId, $courseId, $studentId = 0, $profile = '', $date_from = '', $date_to = '', $options)
  932. {
  933. // database table definition
  934. $user = Database :: get_main_table(TABLE_MAIN_USER);
  935. $course = Database :: get_main_table(TABLE_MAIN_COURSE);
  936. $track_e_login = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
  937. $track_e_course_access = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
  938. global $export_csv;
  939. if ($export_csv) {
  940. $is_western_name_order = api_is_western_name_order(PERSON_NAME_DATA_EXPORT);
  941. } else {
  942. $is_western_name_order = api_is_western_name_order();
  943. }
  944. if (isset($sessionId) && !empty($sessionId)) {
  945. $where = sprintf(" WHERE a.session_id = %d", intval($sessionId));
  946. }
  947. if (isset($courseId) && !empty($courseId)) {
  948. $where .= sprintf(" AND c.id = %d", intval($courseId)) ;
  949. }
  950. if (isset($studentId) && !empty($studentId)) {
  951. $where .= sprintf(" AND u.user_id = %d", intval($studentId));
  952. }
  953. if (isset($profile) && !empty($profile)) {
  954. $where .= sprintf(" AND u.status = %d", intval($profile));
  955. }
  956. if (!empty($date_to) && !empty($date_from)) {
  957. //FIX THIS
  958. $to = substr($date_to, 0, 4) .'-' . substr($date_to, 4, 2) . '-' . substr($date_to, 6, 2);
  959. $from = substr($date_from, 0, 4) . '-' . substr($date_from, 4, 2) . '-' . substr($date_from, 6, 2);
  960. $where .= sprintf(" AND a.login_course_date >= '%s 00:00:00'
  961. AND a.login_course_date <= '%s 23:59:59'", $to, $from);
  962. }
  963. $limit = null;
  964. if (!empty($options['limit'])) {
  965. $limit = " LIMIT ".$options['limit'];
  966. }
  967. if (!empty($options['where'])) {
  968. $where .= ' '.$options['where'];
  969. }
  970. $order = null;
  971. if (!empty($options['order'])) {
  972. $order = " ORDER BY ".$options['order'];
  973. }
  974. //TODO add course name
  975. $sql = "SELECT
  976. a.login_course_date ,
  977. u.username ,
  978. ".($is_western_name_order ? "
  979. u.firstname,
  980. u.lastname,
  981. " : "
  982. u.lastname,
  983. u.firstname,
  984. ")."
  985. a.logout_course_date,
  986. c.title,
  987. c.code,
  988. u.user_id
  989. FROM $track_e_course_access a
  990. INNER JOIN $user u ON a.user_id = u.user_id
  991. INNER JOIN $course c ON a.course_code = c.code
  992. $where $order $limit";
  993. $result = Database::query(sprintf($sql, $sessionId, $courseId));
  994. $clicks = Tracking::get_total_clicks_by_session();
  995. $data = array ();
  996. while ($user = Database::fetch_assoc($result)) {
  997. $data[] = $user;
  998. }
  999. // Foreach
  1000. foreach ($data as $key => $info) {
  1001. #building array to display
  1002. $return[] = array(
  1003. 'logindate' => $info['login_course_date'],
  1004. 'username' => $info['username'],
  1005. 'firstname' => $info['firstname'],
  1006. 'lastname' => $info['lastname'],
  1007. 'clicks' => $clicks[$info['user_id']],
  1008. 'ip' => '',
  1009. 'timeLoggedIn' => gmdate("H:i:s", strtotime($info['logout_course_date']) - strtotime($info['login_course_date'])),
  1010. );
  1011. }
  1012. //Search for ip, we do less querys if we iterate the final array
  1013. foreach ($return as $key => $info) {
  1014. $sql = sprintf("SELECT login_ip FROM $track_e_login WHERE ('%s' BETWEEN login_date AND logout_date)", $info['logindate']); //TODO add select by user too
  1015. $result = Database::query($sql);
  1016. $ip = Database::fetch_assoc($result);
  1017. #add ip to final array
  1018. $return[$key]['ip'] = $ip['login_ip'];
  1019. }
  1020. return $return;
  1021. }
  1022. /**
  1023. * Creates a new course code based in given code
  1024. *
  1025. * @param string wanted code
  1026. * <code>
  1027. * $wanted_code = 'curse' if there are in the DB codes like curse1 curse2 the function will return: course3
  1028. * if the course code doest not exist in the DB the same course code will be returned
  1029. * </code>
  1030. * @return string wanted unused code
  1031. */
  1032. public static function generate_nice_next_session_name($session_name)
  1033. {
  1034. $session_name_ok = !self::session_name_exists($session_name);
  1035. if (!$session_name_ok) {
  1036. $table = Database::get_main_table(TABLE_MAIN_SESSION);
  1037. $session_name = Database::escape_string($session_name);
  1038. $sql = "SELECT count(*) as count FROM $table WHERE name LIKE '$session_name%'";
  1039. $result = Database::query($sql);
  1040. if (Database::num_rows($result) > 0 ) {
  1041. $row = Database::fetch_array($result);
  1042. $count = $row['count'] + 1;
  1043. $session_name = $session_name.'_'.$count;
  1044. $result = self::session_name_exists($session_name);
  1045. if (!$result) {
  1046. return $session_name;
  1047. }
  1048. }
  1049. return false;
  1050. }
  1051. return $session_name;
  1052. }
  1053. /**
  1054. * Edit a session
  1055. * @author Carlos Vargas from existing code
  1056. * @param integer id
  1057. * @param string name
  1058. * @param integer year_start
  1059. * @param integer month_start
  1060. * @param integer day_start
  1061. * @param integer year_end
  1062. * @param integer month_end
  1063. * @param integer day_end
  1064. * @param integer nb_days_acess_before
  1065. * @param integer nb_days_acess_after
  1066. * @param integer nolimit
  1067. * @param integer id_coach
  1068. * @param integer id_session_category
  1069. * @param int $id_visibility
  1070. * @param bool
  1071. * @param bool
  1072. * @param string $description
  1073. * @param int $showDescription
  1074. * @return $id;
  1075. * The parameter id is a primary key
  1076. **/
  1077. public static function edit_session (
  1078. $id,
  1079. $name,
  1080. $year_start,
  1081. $month_start,
  1082. $day_start,
  1083. $year_end,
  1084. $month_end,
  1085. $day_end,
  1086. $nb_days_acess_before,
  1087. $nb_days_acess_after,
  1088. $nolimit,
  1089. $id_coach,
  1090. $id_session_category,
  1091. $id_visibility,
  1092. $start_limit = true,
  1093. $end_limit = true,
  1094. $description = null,
  1095. $showDescription = null
  1096. ) {
  1097. $name = trim(stripslashes($name));
  1098. $year_start=intval($year_start);
  1099. $month_start=intval($month_start);
  1100. $day_start=intval($day_start);
  1101. $year_end=intval($year_end);
  1102. $month_end=intval($month_end);
  1103. $day_end=intval($day_end);
  1104. $id_coach= intval($id_coach);
  1105. $nb_days_acess_before= intval($nb_days_acess_before);
  1106. $nb_days_acess_after = intval($nb_days_acess_after);
  1107. $id_session_category = intval($id_session_category);
  1108. $id_visibility = intval($id_visibility);
  1109. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1110. if (empty($nolimit)) {
  1111. $date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  1112. $date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  1113. } else {
  1114. $date_start = "0000-00-00";
  1115. $date_end = "0000-00-00";
  1116. $id_visibility = 1;//force read only
  1117. }
  1118. if (!empty($no_end_limit)) {
  1119. $date_end = "0000-00-00";
  1120. }
  1121. if (empty($end_limit)) {
  1122. $date_end ="0000-00-00";
  1123. $id_visibility = 1;//force read only
  1124. }
  1125. if (empty($start_limit)) {
  1126. $date_start ="0000-00-00";
  1127. }
  1128. if (empty($name)) {
  1129. $msg=get_lang('SessionNameIsRequired');
  1130. return $msg;
  1131. } elseif (empty($id_coach)) {
  1132. $msg=get_lang('CoachIsRequired');
  1133. return $msg;
  1134. } elseif (!empty($start_limit) && empty($nolimit) && (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start))) {
  1135. $msg=get_lang('InvalidStartDate');
  1136. return $msg;
  1137. } elseif (!empty($end_limit) && empty($nolimit) && (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end))) {
  1138. $msg=get_lang('InvalidEndDate');
  1139. return $msg;
  1140. } elseif (!empty($start_limit) && !empty($end_limit) && empty($nolimit) && $date_start >= $date_end) {
  1141. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  1142. return $msg;
  1143. } else {
  1144. $rs = Database::query("SELECT id FROM $tbl_session WHERE name='".Database::escape_string($name)."'");
  1145. $exists = false;
  1146. while ($row = Database::fetch_array($rs)) {
  1147. if ($row['id'] != $id) {
  1148. $exists = true;
  1149. }
  1150. }
  1151. if ($exists) {
  1152. $msg = get_lang('SessionNameAlreadyExists');
  1153. return $msg;
  1154. } else {
  1155. $sessionInfo = SessionManager::fetch($id);
  1156. $descriptionCondition = null;
  1157. if (array_key_exists('description', $sessionInfo)) {
  1158. $descriptionCondition = ' description = "'.Database::escape_string($description).'" ,';
  1159. }
  1160. $showDescriptionCondition = null;
  1161. if (array_key_exists('show_description', $sessionInfo)) {
  1162. $showDescriptionCondition = ' show_description = "'.Database::escape_string($showDescription).'" ,';
  1163. }
  1164. $sql = "UPDATE $tbl_session " .
  1165. "SET name='".Database::escape_string($name)."',
  1166. date_start='".$date_start."',
  1167. date_end='".$date_end."',
  1168. id_coach='".$id_coach."',
  1169. nb_days_access_before_beginning = ".$nb_days_acess_before.",
  1170. nb_days_access_after_end = ".$nb_days_acess_after.",
  1171. session_category_id = ".$id_session_category." ,
  1172. $descriptionCondition
  1173. $showDescriptionCondition
  1174. visibility= ".$id_visibility."
  1175. WHERE id='$id'";
  1176. Database::query($sql);
  1177. return $id;
  1178. }
  1179. }
  1180. }
  1181. /**
  1182. * Delete session
  1183. * @author Carlos Vargas from existing code
  1184. * @param array id_checked an array to delete sessions
  1185. * @param boolean optional, true if the function is called by a webservice, false otherwise.
  1186. * @return void Nothing, or false on error
  1187. **/
  1188. public static function delete_session($id_checked, $from_ws = false)
  1189. {
  1190. $tbl_session= Database::get_main_table(TABLE_MAIN_SESSION);
  1191. $tbl_session_rel_course= Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1192. $tbl_session_rel_course_rel_user= Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1193. $tbl_session_rel_user= Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1194. $tbl_url_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1195. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1196. $userId = api_get_user_id();
  1197. if (is_array($id_checked)) {
  1198. $id_checked = Database::escape_string(implode(',',$id_checked));
  1199. } else {
  1200. $id_checked = intval($id_checked);
  1201. }
  1202. if (!api_is_platform_admin() && !$from_ws) {
  1203. $sql = 'SELECT session_admin_id FROM '.Database :: get_main_table(TABLE_MAIN_SESSION).' WHERE id='.$id_checked;
  1204. $rs = Database::query($sql);
  1205. if (Database::result($rs, 0, 0) != $userId) {
  1206. api_not_allowed(true);
  1207. }
  1208. }
  1209. Database::query("DELETE FROM $tbl_session WHERE id IN($id_checked)");
  1210. Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session IN($id_checked)");
  1211. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session IN($id_checked)");
  1212. Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session IN($id_checked)");
  1213. Database::query("DELETE FROM $tbl_url_session WHERE session_id IN($id_checked)");
  1214. $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked'";
  1215. Database::query($sql_delete_sfv);
  1216. // Add event to system log
  1217. event_system(LOG_SESSION_DELETE, LOG_SESSION_ID, $id_checked, api_get_utc_datetime(), $userId);
  1218. }
  1219. /**
  1220. * @param int $id_promotion
  1221. * @return bool
  1222. */
  1223. public static function clear_session_ref_promotion($id_promotion)
  1224. {
  1225. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1226. $id_promotion = intval($id_promotion);
  1227. $update_sql = "UPDATE $tbl_session SET promotion_id=0 WHERE promotion_id='$id_promotion'";
  1228. if (Database::query($update_sql)) {
  1229. return true;
  1230. } else {
  1231. return false;
  1232. }
  1233. }
  1234. /**
  1235. * Subscribes students to the given session and optionally (default) unsubscribes previous users
  1236. *
  1237. * @author Carlos Vargas from existing code
  1238. * @author Julio Montoya. Cleaning code.
  1239. * @param int $id_session
  1240. * @param array $user_list
  1241. * @param int $session_visibility
  1242. * @param bool $empty_users
  1243. * @param bool $send_email
  1244. * @return bool
  1245. */
  1246. public static function suscribe_users_to_session(
  1247. $id_session,
  1248. $user_list,
  1249. $session_visibility = SESSION_VISIBLE_READ_ONLY,
  1250. $empty_users = true,
  1251. $send_email = false
  1252. ) {
  1253. if ($id_session != strval(intval($id_session))) {
  1254. return false;
  1255. }
  1256. foreach ($user_list as $intUser){
  1257. if ($intUser!= strval(intval($intUser))) {
  1258. return false;
  1259. }
  1260. }
  1261. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1262. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1263. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1264. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1265. $session_info = api_get_session_info($id_session);
  1266. $session_name = $session_info['name'];
  1267. // from function parameter
  1268. if (empty($session_visibility)) {
  1269. $session_visibility = $session_info['visibility']; //loaded from DB
  1270. //default status loaded if empty
  1271. if (empty($session_visibility))
  1272. $session_visibility = SESSION_VISIBLE_READ_ONLY; // by default readonly 1
  1273. } else {
  1274. if (!in_array($session_visibility, array(SESSION_VISIBLE_READ_ONLY, SESSION_VISIBLE, SESSION_INVISIBLE))) {
  1275. $session_visibility = SESSION_VISIBLE_READ_ONLY;
  1276. }
  1277. }
  1278. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user WHERE id_session = '$id_session' AND status = 0";
  1279. $result = Database::query($sql);
  1280. $existingUsers = array();
  1281. while ($row = Database::fetch_array($result)) {
  1282. $existingUsers[] = $row['id_user'];
  1283. }
  1284. $sql = "SELECT course_code FROM $tbl_session_rel_course WHERE id_session = '$id_session'";
  1285. $result = Database::query($sql);
  1286. $course_list = array();
  1287. while ($row = Database::fetch_array($result)) {
  1288. $course_list[] = $row['course_code'];
  1289. }
  1290. if ($send_email) {
  1291. // Sending emails only
  1292. if (is_array($user_list) && count($user_list)>0) {
  1293. foreach ($user_list as $user_id) {
  1294. if (!in_array($user_id, $existingUsers)) {
  1295. $subject = '['.get_setting('siteName').'] '.get_lang('YourReg').' '.get_setting('siteName');
  1296. $user_info = api_get_user_info($user_id);
  1297. $content = get_lang('Dear')." ".stripslashes($user_info['complete_name']).",\n\n".sprintf(get_lang('YouAreRegisterToSessionX'), $session_name) ." \n\n" .get_lang('Address') ." ". get_setting('siteName') ." ". get_lang('Is') ." : ". api_get_path(WEB_PATH) ."\n\n". get_lang('Problem'). "\n\n". get_lang('Formula').",\n\n".get_setting('administratorName')." ".get_setting('administratorSurname')."\n". get_lang('Manager'). " ".get_setting('siteName')."\nT. ".get_setting('administratorTelephone')."\n" .get_lang('Email') ." : ".get_setting('emailAdministrator');
  1298. MessageManager::send_message($user_id, $subject, $content, array(), array(), null, null, null, null, null);
  1299. }
  1300. }
  1301. }
  1302. }
  1303. foreach ($course_list as $enreg_course) {
  1304. // for each course in the session
  1305. $nbr_users = 0;
  1306. $enreg_course = Database::escape_string($enreg_course);
  1307. // delete existing users
  1308. if ($empty_users) {
  1309. foreach ($existingUsers as $existing_user) {
  1310. if (!in_array($existing_user, $user_list)) {
  1311. $sql = "DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND course_code='$enreg_course' AND id_user='$existing_user' AND status = 0";
  1312. Database::query($sql);
  1313. if (Database::affected_rows()) {
  1314. $nbr_users--;
  1315. }
  1316. }
  1317. }
  1318. }
  1319. // Replace with this new function
  1320. // insert new users into session_rel_course_rel_user and ignore if they already exist
  1321. foreach ($user_list as $enreg_user) {
  1322. if(!in_array($enreg_user, $existingUsers)) {
  1323. $enreg_user = Database::escape_string($enreg_user);
  1324. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, visibility, status) VALUES('$id_session','$enreg_course','$enreg_user','$session_visibility', '0')";
  1325. Database::query($insert_sql);
  1326. if(Database::affected_rows()) {
  1327. $nbr_users++;
  1328. }
  1329. }
  1330. }
  1331. // Count users in this session-course relation
  1332. $sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND course_code='$enreg_course' AND status<>2";
  1333. $rs = Database::query($sql);
  1334. list($nbr_users) = Database::fetch_array($rs);
  1335. // update the session-course relation to add the users total
  1336. $update_sql = "UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'";
  1337. Database::query($update_sql);
  1338. }
  1339. // Delete users from the session
  1340. if ($empty_users===true) {
  1341. Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session = $id_session AND relation_type<>".SESSION_RELATION_TYPE_RRHH."");
  1342. }
  1343. // Insert missing users into session
  1344. $nbr_users = 0;
  1345. foreach ($user_list as $enreg_user) {
  1346. $enreg_user = Database::escape_string($enreg_user);
  1347. $nbr_users++;
  1348. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user) VALUES ('$id_session', '$enreg_user')";
  1349. Database::query($insert_sql);
  1350. }
  1351. // update number of users in the session
  1352. $nbr_users = count($user_list);
  1353. if ($empty_users) {
  1354. // update number of users in the session
  1355. $update_sql = "UPDATE $tbl_session SET nbr_users= $nbr_users WHERE id='$id_session' ";
  1356. Database::query($update_sql);
  1357. } else {
  1358. $update_sql = "UPDATE $tbl_session SET nbr_users= nbr_users + $nbr_users WHERE id='$id_session'";
  1359. Database::query($update_sql);
  1360. }
  1361. }
  1362. /**
  1363. * Subscribe a user to an specific course inside a session.
  1364. *
  1365. * @param array $user_list
  1366. * @param int $session_id
  1367. * @param string $course_code
  1368. * @param int $session_visibility
  1369. * @return bool
  1370. */
  1371. public static function subscribe_users_to_session_course(
  1372. $user_list,
  1373. $session_id,
  1374. $course_code,
  1375. $session_visibility = SESSION_VISIBLE_READ_ONLY
  1376. ) {
  1377. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1378. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1379. if (empty($user_list) || empty($session_id) || empty($course_code)) {
  1380. return false;
  1381. }
  1382. $session_id = intval($session_id);
  1383. $course_code = Database::escape_string($course_code);
  1384. $session_visibility = intval($session_visibility);
  1385. $nbr_users = 0;
  1386. /*AND
  1387. visibility = $session_visibility*/
  1388. foreach ($user_list as $enreg_user) {
  1389. $enreg_user = intval($enreg_user);
  1390. $sql = "SELECT count(id_user) as count
  1391. FROM $tbl_session_rel_course_rel_user
  1392. WHERE id_session = $session_id AND
  1393. course_code = '$course_code' and
  1394. id_user = $enreg_user ";
  1395. $result = Database::query($sql);
  1396. $count = 0;
  1397. if (Database::num_rows($result) > 0) {
  1398. $row = Database::fetch_array($result, 'ASSOC');
  1399. $count = $row['count'];
  1400. }
  1401. if ($count == 0) {
  1402. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session,course_code,id_user,visibility)
  1403. VALUES ('$session_id','$course_code','$enreg_user','$session_visibility')";
  1404. Database::query($insert_sql);
  1405. if (Database::affected_rows()) {
  1406. $nbr_users++;
  1407. }
  1408. }
  1409. }
  1410. // count users in this session-course relation
  1411. $sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user
  1412. WHERE id_session='$session_id' AND course_code='$course_code' AND status<>2";
  1413. $rs = Database::query($sql);
  1414. list($nbr_users) = Database::fetch_array($rs);
  1415. // update the session-course relation to add the users total
  1416. $update_sql = "UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users
  1417. WHERE id_session='$session_id' AND course_code='$course_code'";
  1418. Database::query($update_sql);
  1419. }
  1420. /**
  1421. * Unsubscribe user from session
  1422. *
  1423. * @param int Session id
  1424. * @param int User id
  1425. * @return bool True in case of success, false in case of error
  1426. */
  1427. public static function unsubscribe_user_from_session($session_id, $user_id)
  1428. {
  1429. $session_id = (int)$session_id;
  1430. $user_id = (int)$user_id;
  1431. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1432. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1433. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1434. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1435. $delete_sql = "DELETE FROM $tbl_session_rel_user
  1436. WHERE id_session = '$session_id' AND
  1437. id_user ='$user_id' AND
  1438. relation_type <> ".SESSION_RELATION_TYPE_RRHH."";
  1439. Database::query($delete_sql);
  1440. $return = Database::affected_rows();
  1441. // Update number of users
  1442. $sql = "UPDATE $tbl_session SET nbr_users = nbr_users - $return WHERE id='$session_id' ";
  1443. Database::query($sql);
  1444. // Get the list of courses related to this session
  1445. $course_list = SessionManager::get_course_list_by_session_id($session_id);
  1446. if (!empty($course_list)) {
  1447. foreach($course_list as $course) {
  1448. $course_code = $course['code'];
  1449. // Delete user from course
  1450. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  1451. WHERE id_session='$session_id' AND course_code='$course_code' AND id_user='$user_id'";
  1452. Database::query($sql);
  1453. if (Database::affected_rows()) {
  1454. // Update number of users in this relation
  1455. $sql = "UPDATE $tbl_session_rel_course SET nbr_users=nbr_users - 1
  1456. WHERE id_session='$session_id' AND course_code='$course_code'";
  1457. Database::query($sql);
  1458. }
  1459. }
  1460. }
  1461. return true;
  1462. }
  1463. /** Subscribes courses to the given session and optionally (default) unsubscribes previous users
  1464. * @author Carlos Vargas from existing code
  1465. * @param int Session ID
  1466. * @param array List of courses IDs
  1467. * @param bool Whether to unsubscribe existing users (true, default) or not (false)
  1468. * @return void Nothing, or false on error
  1469. **/
  1470. public static function add_courses_to_session($id_session, $course_list, $empty_courses = true)
  1471. {
  1472. // Security checks
  1473. if ($id_session!= strval(intval($id_session))) {
  1474. return false;
  1475. }
  1476. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1477. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1478. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1479. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1480. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  1481. // get general coach ID
  1482. $id_coach = Database::query("SELECT id_coach FROM $tbl_session WHERE id=$id_session");
  1483. $id_coach = Database::fetch_array($id_coach);
  1484. $id_coach = $id_coach[0];
  1485. // get list of courses subscribed to this session
  1486. $rs = Database::query("SELECT course_code FROM $tbl_session_rel_course WHERE id_session=$id_session");
  1487. $existingCourses = Database::store_result($rs);
  1488. $nbr_courses=count($existingCourses);
  1489. // get list of users subscribed to this session
  1490. $sql="SELECT id_user
  1491. FROM $tbl_session_rel_user
  1492. WHERE id_session = $id_session AND relation_type<>".SESSION_RELATION_TYPE_RRHH."";
  1493. $result=Database::query($sql);
  1494. $user_list=Database::store_result($result);
  1495. // remove existing courses from the session
  1496. if ($empty_courses===true) {
  1497. foreach ($existingCourses as $existingCourse) {
  1498. if (!in_array($existingCourse['course_code'], $course_list)){
  1499. Database::query("DELETE FROM $tbl_session_rel_course WHERE course_code='".$existingCourse['course_code']."' AND id_session=$id_session");
  1500. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE course_code='".$existingCourse['course_code']."' AND id_session=$id_session");
  1501. }
  1502. }
  1503. $nbr_courses=0;
  1504. }
  1505. // Pass through the courses list we want to add to the session
  1506. foreach ($course_list as $enreg_course) {
  1507. $enreg_course = Database::escape_string($enreg_course);
  1508. $exists = false;
  1509. // check if the course we want to add is already subscribed
  1510. foreach ($existingCourses as $existingCourse) {
  1511. if ($enreg_course == $existingCourse['course_code']) {
  1512. $exists=true;
  1513. }
  1514. }
  1515. if (!$exists) {
  1516. //if the course isn't subscribed yet
  1517. $sql_insert_rel_course= "INSERT INTO $tbl_session_rel_course (id_session,course_code) VALUES ('$id_session','$enreg_course')";
  1518. Database::query($sql_insert_rel_course);
  1519. //We add the current course in the existing courses array, to avoid adding another time the current course
  1520. $existingCourses[]=array('course_code'=>$enreg_course);
  1521. $nbr_courses++;
  1522. // subscribe all the users from the session to this course inside the session
  1523. $nbr_users=0;
  1524. foreach ($user_list as $enreg_user) {
  1525. $enreg_user_id = Database::escape_string($enreg_user['id_user']);
  1526. $sql_insert = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user (id_session,course_code,id_user) VALUES ('$id_session','$enreg_course','$enreg_user_id')";
  1527. Database::query($sql_insert);
  1528. if (Database::affected_rows()) {
  1529. $nbr_users++;
  1530. }
  1531. }
  1532. Database::query("UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'");
  1533. }
  1534. }
  1535. Database::query("UPDATE $tbl_session SET nbr_courses=$nbr_courses WHERE id='$id_session'");
  1536. }
  1537. /**
  1538. * Unsubscribe course from a session
  1539. *
  1540. * @param int Session id
  1541. * @param int Course id
  1542. * @return bool True in case of success, false otherwise
  1543. */
  1544. public static function unsubscribe_course_from_session($session_id, $course_id)
  1545. {
  1546. $session_id = (int)$session_id;
  1547. $course_id = (int)$course_id;
  1548. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1549. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1550. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1551. // Get course code
  1552. $course_code = CourseManager::get_course_code_from_course_id($course_id);
  1553. if($course_code == 0) {
  1554. return false;
  1555. }
  1556. // Unsubscribe course
  1557. Database::query("DELETE FROM $tbl_session_rel_course WHERE course_code='$course_code' AND id_session='$session_id'");
  1558. $nb_affected = Database::affected_rows();
  1559. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE course_code='$course_code' AND id_session='$session_id'");
  1560. if($nb_affected > 0) {
  1561. // Update number of courses in the session
  1562. Database::query("UPDATE $tbl_session SET nbr_courses= nbr_courses + $nb_affected WHERE id='$session_id' ");
  1563. return true;
  1564. } else {
  1565. return false;
  1566. }
  1567. }
  1568. /**
  1569. * Creates a new extra field for a given session
  1570. * @param string Field's internal variable name
  1571. * @param int Field's type
  1572. * @param string Field's language var name
  1573. * @return int new extra field id
  1574. */
  1575. public static function create_session_extra_field ($fieldvarname, $fieldtype, $fieldtitle)
  1576. {
  1577. // database table definition
  1578. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1579. $fieldvarname = Database::escape_string($fieldvarname);
  1580. $fieldtitle = Database::escape_string($fieldtitle);
  1581. $fieldtype = (int)$fieldtype;
  1582. $time = time();
  1583. $sql_field = "SELECT id FROM $t_sf WHERE field_variable = '$fieldvarname'";
  1584. $res_field = Database::query($sql_field);
  1585. $r_field = Database::fetch_row($res_field);
  1586. if (Database::num_rows($res_field)>0) {
  1587. $field_id = $r_field[0];
  1588. } else {
  1589. // save new fieldlabel into course_field table
  1590. $sql = "SELECT MAX(field_order) FROM $t_sf";
  1591. $res = Database::query($sql);
  1592. $order = 0;
  1593. if (Database::num_rows($res)>0) {
  1594. $row = Database::fetch_row($res);
  1595. $order = $row[0]+1;
  1596. }
  1597. $sql = "INSERT INTO $t_sf SET
  1598. field_type = '$fieldtype',
  1599. field_variable = '$fieldvarname',
  1600. field_display_text = '$fieldtitle',
  1601. field_order = '$order',
  1602. tms = FROM_UNIXTIME($time)";
  1603. Database::query($sql);
  1604. $field_id = Database::insert_id();
  1605. }
  1606. return $field_id;
  1607. }
  1608. /**
  1609. * Update an extra field value for a given session
  1610. * @param integer Course ID
  1611. * @param string Field variable name
  1612. * @param string Field value
  1613. * @return boolean true if field updated, false otherwise
  1614. */
  1615. public static function update_session_extra_field_value ($session_id,$fname,$fvalue='')
  1616. {
  1617. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1618. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1619. $fname = Database::escape_string($fname);
  1620. $session_id = (int)$session_id;
  1621. $fvalues = '';
  1622. if (is_array($fvalue)) {
  1623. foreach ($fvalue as $val) {
  1624. $fvalues .= Database::escape_string($val).';';
  1625. }
  1626. if (!empty($fvalues)) {
  1627. $fvalues = substr($fvalues,0,-1);
  1628. }
  1629. } else {
  1630. $fvalues = Database::escape_string($fvalue);
  1631. }
  1632. $sqlsf = "SELECT * FROM $t_sf WHERE field_variable='$fname'";
  1633. $ressf = Database::query($sqlsf);
  1634. if (Database::num_rows($ressf)==1) {
  1635. //ok, the field exists
  1636. // Check if enumerated field, if the option is available
  1637. $rowsf = Database::fetch_array($ressf);
  1638. $tms = time();
  1639. $sqlsfv = "SELECT * FROM $t_sfv WHERE session_id = '$session_id' AND field_id = '".$rowsf['id']."' ORDER BY id";
  1640. $ressfv = Database::query($sqlsfv);
  1641. $n = Database::num_rows($ressfv);
  1642. if ($n>1) {
  1643. //problem, we already have to values for this field and user combination - keep last one
  1644. while($rowsfv = Database::fetch_array($ressfv)) {
  1645. if($n > 1) {
  1646. $sqld = "DELETE FROM $t_sfv WHERE id = ".$rowsfv['id'];
  1647. $resd = Database::query($sqld);
  1648. $n--;
  1649. }
  1650. $rowsfv = Database::fetch_array($ressfv);
  1651. if($rowsfv['field_value'] != $fvalues) {
  1652. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = FROM_UNIXTIME($tms) WHERE id = ".$rowsfv['id'];
  1653. $resu = Database::query($sqlu);
  1654. return($resu?true:false);
  1655. }
  1656. return true;
  1657. }
  1658. } else if ($n==1) {
  1659. //we need to update the current record
  1660. $rowsfv = Database::fetch_array($ressfv);
  1661. if($rowsfv['field_value'] != $fvalues)
  1662. {
  1663. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = FROM_UNIXTIME($tms) WHERE id = ".$rowsfv['id'];
  1664. //error_log('UM::update_extra_field_value: '.$sqlu);
  1665. $resu = Database::query($sqlu);
  1666. return($resu?true:false);
  1667. }
  1668. return true;
  1669. } else {
  1670. $sqli = "INSERT INTO $t_sfv (session_id,field_id,field_value,tms) " .
  1671. "VALUES ('$session_id',".$rowsf['id'].",'$fvalues',FROM_UNIXTIME($tms))";
  1672. //error_log('UM::update_extra_field_value: '.$sqli);
  1673. $resi = Database::query($sqli);
  1674. return($resi?true:false);
  1675. }
  1676. } else {
  1677. return false; //field not found
  1678. }
  1679. }
  1680. /**
  1681. * Checks the relationship between a session and a course.
  1682. * @param int $session_id
  1683. * @param int $course_id
  1684. * @return bool Returns TRUE if the session and the course are related, FALSE otherwise.
  1685. * */
  1686. public static function relation_session_course_exist ($session_id, $course_id)
  1687. {
  1688. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1689. $return_value = false;
  1690. $sql= "SELECT course_code FROM $tbl_session_course WHERE id_session = ".Database::escape_string($session_id)." AND course_code = '".Database::escape_string($course_id)."'";
  1691. $result = Database::query($sql);
  1692. $num = Database::num_rows($result);
  1693. if ($num>0) {
  1694. $return_value = true;
  1695. }
  1696. return $return_value;
  1697. }
  1698. /**
  1699. * Get the session information by name
  1700. * @param string session name
  1701. * @return mixed false if the session does not exist, array if the session exist
  1702. * */
  1703. public static function get_session_by_name ($session_name)
  1704. {
  1705. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1706. $session_name = trim($session_name);
  1707. if (empty($session_name)) {
  1708. return false;
  1709. }
  1710. $sql = 'SELECT *
  1711. FROM '.$tbl_session.'
  1712. WHERE name = "'.Database::escape_string($session_name).'"';
  1713. $result = Database::query($sql);
  1714. $num = Database::num_rows($result);
  1715. if ($num>0) {
  1716. return Database::fetch_array($result);
  1717. } else {
  1718. return false;
  1719. }
  1720. }
  1721. /**
  1722. * Create a session category
  1723. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  1724. * @param string name
  1725. * @param integer year_start
  1726. * @param integer month_start
  1727. * @param integer day_start
  1728. * @param integer year_end
  1729. * @param integer month_end
  1730. * @param integer day_end
  1731. * @return $id_session;
  1732. **/
  1733. public static function create_category_session($sname,$syear_start,$smonth_start,$sday_start,$syear_end,$smonth_end, $sday_end)
  1734. {
  1735. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1736. $name= trim($sname);
  1737. $year_start= intval($syear_start);
  1738. $month_start=intval($smonth_start);
  1739. $day_start=intval($sday_start);
  1740. $year_end=intval($syear_end);
  1741. $month_end=intval($smonth_end);
  1742. $day_end=intval($sday_end);
  1743. $date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  1744. $date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  1745. if (empty($name)) {
  1746. $msg=get_lang('SessionCategoryNameIsRequired');
  1747. return $msg;
  1748. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start)) {
  1749. $msg=get_lang('InvalidStartDate');
  1750. return $msg;
  1751. } elseif (!$month_end && !$day_end && !$year_end) {
  1752. $date_end = "null";
  1753. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end)) {
  1754. $msg=get_lang('InvalidEndDate');
  1755. return $msg;
  1756. } elseif($date_start >= $date_end) {
  1757. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  1758. return $msg;
  1759. }
  1760. $access_url_id = api_get_current_access_url_id();
  1761. $sql = "INSERT INTO $tbl_session_category (name, date_start, date_end, access_url_id)
  1762. VALUES('".Database::escape_string($name)."','$date_start','$date_end', '$access_url_id')";
  1763. Database::query($sql);
  1764. $id_session = Database::insert_id();
  1765. // Add event to system log
  1766. $user_id = api_get_user_id();
  1767. event_system(LOG_SESSION_CATEGORY_CREATE, LOG_SESSION_CATEGORY_ID, $id_session, api_get_utc_datetime(), $user_id);
  1768. return $id_session;
  1769. }
  1770. /**
  1771. * Edit a sessions categories
  1772. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>,from existing code
  1773. * @param integer id
  1774. * @param string name
  1775. * @param integer year_start
  1776. * @param integer month_start
  1777. * @param integer day_start
  1778. * @param integer year_end
  1779. * @param integer month_end
  1780. * @param integer day_end
  1781. * @return $id;
  1782. * The parameter id is a primary key
  1783. **/
  1784. public static function edit_category_session($id, $sname,$syear_start,$smonth_start,$sday_start,$syear_end,$smonth_end, $sday_end)
  1785. {
  1786. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1787. $name= trim($sname);
  1788. $year_start= intval($syear_start);
  1789. $month_start=intval($smonth_start);
  1790. $day_start=intval($sday_start);
  1791. $year_end=intval($syear_end);
  1792. $month_end=intval($smonth_end);
  1793. $day_end=intval($sday_end);
  1794. $id=intval($id);
  1795. $date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  1796. $date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  1797. if (empty($name)) {
  1798. $msg=get_lang('SessionCategoryNameIsRequired');
  1799. return $msg;
  1800. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start)) {
  1801. $msg=get_lang('InvalidStartDate');
  1802. return $msg;
  1803. } elseif (!$month_end && !$day_end && !$year_end) {
  1804. $date_end = null;
  1805. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end)) {
  1806. $msg=get_lang('InvalidEndDate');
  1807. return $msg;
  1808. } elseif($date_start >= $date_end) {
  1809. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  1810. return $msg;
  1811. }
  1812. if ( $date_end <> null ) {
  1813. $sql = "UPDATE $tbl_session_category SET name = '".Database::escape_string($name)."', date_start = '$date_start' ".
  1814. ", date_end = '$date_end' WHERE id= '".$id."' ";
  1815. } else {
  1816. $sql = "UPDATE $tbl_session_category SET name = '".Database::escape_string($name)."', date_start = '$date_start' ".
  1817. ", date_end = NULL WHERE id= '".$id."' ";
  1818. }
  1819. $result = Database::query($sql);
  1820. return ($result? true:false);
  1821. }
  1822. /**
  1823. * Delete sessions categories
  1824. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  1825. * @param array id_checked
  1826. * @param bool include delete session
  1827. * @param bool optional, true if the function is called by a webservice, false otherwise.
  1828. * @return void Nothing, or false on error
  1829. * The parameters is a array to delete sessions
  1830. **/
  1831. public static function delete_session_category($id_checked, $delete_session = false,$from_ws = false)
  1832. {
  1833. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1834. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1835. if (is_array($id_checked)) {
  1836. $id_checked = Database::escape_string(implode(',',$id_checked));
  1837. } else {
  1838. $id_checked = intval($id_checked);
  1839. }
  1840. //Setting session_category_id to 0
  1841. $sql = "UPDATE $tbl_session SET session_category_id = 0 WHERE session_category_id IN (".$id_checked.")";
  1842. Database::query($sql);
  1843. $sql = "SELECT id FROM $tbl_session WHERE session_category_id IN (".$id_checked.")";
  1844. $result = Database::query($sql);
  1845. while ($rows = Database::fetch_array($result)) {
  1846. $session_id = $rows['id'];
  1847. if ($delete_session) {
  1848. if ($from_ws) {
  1849. SessionManager::delete_session($session_id,true);
  1850. } else {
  1851. SessionManager::delete_session($session_id);
  1852. }
  1853. }
  1854. }
  1855. $sql = "DELETE FROM $tbl_session_category WHERE id IN (".$id_checked.")";
  1856. Database::query($sql);
  1857. // Add event to system log
  1858. $user_id = api_get_user_id();
  1859. event_system(LOG_SESSION_CATEGORY_DELETE, LOG_SESSION_CATEGORY_ID, $id_checked, api_get_utc_datetime(), $user_id);
  1860. // delete extra session fields where field variable is "PERIODO"
  1861. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1862. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1863. $sql = "SELECT t_sfv.field_id FROM $t_sfv t_sfv, $t_sf t_sf WHERE t_sfv.session_id = '$id_checked' AND t_sf.field_variable = 'PERIODO' ";
  1864. $rs_field = Database::query($sql);
  1865. $field_id = 0;
  1866. if (Database::num_rows($rs_field) > 0) {
  1867. $row_field = Database::fetch_row($rs_field);
  1868. $field_id = $row_field[0];
  1869. $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked' AND field_id = '$field_id'";
  1870. Database::query($sql_delete_sfv);
  1871. }
  1872. $sql = "SELECT * FROM $t_sfv WHERE field_id = '$field_id' ";
  1873. $rs_field_id = Database::query($sql);
  1874. if (Database::num_rows($rs_field_id) == 0) {
  1875. $sql_delete_sf = "DELETE FROM $t_sf WHERE id = '$field_id'";
  1876. Database::query($sql_delete_sf);
  1877. }
  1878. return true;
  1879. }
  1880. /**
  1881. * Get a list of sessions of which the given conditions match with an = 'cond'
  1882. * @param array $conditions a list of condition (example : array('status =' =>STUDENT) or array('s.name LIKE' => "%$needle%")
  1883. * @param array $order_by a list of fields on which sort
  1884. * @return array An array with all sessions of the platform.
  1885. * @todo optional course code parameter, optional sorting parameters...
  1886. */
  1887. public static function get_sessions_list($conditions = array(), $order_by = array())
  1888. {
  1889. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1890. $session_category_table = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1891. $user_table = Database::get_main_table(TABLE_MAIN_USER);
  1892. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1893. $access_url_id = api_get_current_access_url_id();
  1894. $return_array = array();
  1895. $sql_query = " SELECT s.id, s.name, s.nbr_courses, s.date_start, s.date_end, u.firstname, u.lastname, sc.name as category_name, s.promotion_id
  1896. FROM $session_table s
  1897. INNER JOIN $user_table u ON s.id_coach = u.user_id
  1898. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  1899. LEFT JOIN $session_category_table sc ON s.session_category_id = sc.id
  1900. WHERE ar.access_url_id = $access_url_id ";
  1901. if (count($conditions)>0) {
  1902. $sql_query .= ' AND ';
  1903. foreach ($conditions as $field=>$value) {
  1904. $field = Database::escape_string($field);
  1905. $value = Database::escape_string($value);
  1906. $sql_query .= $field." '".$value."'";
  1907. }
  1908. }
  1909. if (count($order_by)>0) {
  1910. $sql_query .= ' ORDER BY '.Database::escape_string(implode(',',$order_by));
  1911. }
  1912. //echo $sql_query;
  1913. $sql_result = Database::query($sql_query);
  1914. if (Database::num_rows($sql_result)>0) {
  1915. while ($result = Database::fetch_array($sql_result)) {
  1916. $return_array[$result['id']] = $result;
  1917. }
  1918. }
  1919. return $return_array;
  1920. }
  1921. /**
  1922. * Get the session category information by id
  1923. * @param string session category ID
  1924. * @return mixed false if the session category does not exist, array if the session category exists
  1925. */
  1926. public static function get_session_category ($id)
  1927. {
  1928. $id = intval($id);
  1929. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1930. $sql = "SELECT id, name, date_start, date_end FROM $tbl_session_category WHERE id= $id";
  1931. $result = Database::query($sql);
  1932. $num = Database::num_rows($result);
  1933. if ($num>0){
  1934. return Database::fetch_array($result);
  1935. } else {
  1936. return false;
  1937. }
  1938. }
  1939. /**
  1940. * Get all session categories (filter by access_url_id)
  1941. * @return mixed false if the session category does not exist, array if the session category exists
  1942. */
  1943. public static function get_all_session_category()
  1944. {
  1945. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1946. $id = api_get_current_access_url_id();
  1947. $sql = 'SELECT * FROM '.$tbl_session_category.' WHERE access_url_id ="'.$id.'" ORDER BY name ASC';
  1948. $result = Database::query($sql);
  1949. if (Database::num_rows($result) > 0 ){
  1950. $data = Database::store_result($result,'ASSOC');
  1951. return $data;
  1952. } else {
  1953. return false;
  1954. }
  1955. }
  1956. /**
  1957. * Assign a coach to course in session with status = 2
  1958. * @param int - user id
  1959. * @param int - session id
  1960. * @param string - course code
  1961. * @param bool - optional, if is true the user don't be a coach now, otherwise it'll assign a coach
  1962. * @return bool true if there are affected rows, otherwise false
  1963. */
  1964. public static function set_coach_to_course_session($user_id, $session_id = 0, $course_code = '', $nocoach = false)
  1965. {
  1966. // Definition of variables
  1967. $user_id = intval($user_id);
  1968. if (!empty($session_id)) {
  1969. $session_id = intval($session_id);
  1970. } else {
  1971. $session_id = api_get_session_id();
  1972. }
  1973. if (!empty($course_code)) {
  1974. $course_code = Database::escape_string($course_code);
  1975. } else {
  1976. $course_code = api_get_course_id();
  1977. }
  1978. // Table definition
  1979. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1980. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1981. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1982. // check if user is a teacher
  1983. $sql= "SELECT * FROM $tbl_user WHERE status='1' AND user_id = '$user_id'";
  1984. $rs_check_user = Database::query($sql);
  1985. if (Database::num_rows($rs_check_user) > 0) {
  1986. if ($nocoach) {
  1987. // check if user_id exits int session_rel_user
  1988. $sql = "SELECT id_user FROM $tbl_session_rel_user WHERE id_session = '$session_id' AND id_user = '$user_id'";
  1989. $res = Database::query($sql);
  1990. if (Database::num_rows($res) > 0) {
  1991. // The user don't be a coach now
  1992. $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 0 WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  1993. Database::query($sql);
  1994. if (Database::affected_rows() > 0) return true;
  1995. else return false;
  1996. } else {
  1997. // The user don't be a coach now
  1998. $sql = "DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  1999. Database::query($sql);
  2000. if (Database::affected_rows() > 0) return true;
  2001. else return false;
  2002. }
  2003. } else {
  2004. // Assign user like a coach to course
  2005. // First check if the user is registered in the course
  2006. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id'";
  2007. $rs_check = Database::query($sql);
  2008. // Then update or insert.
  2009. if (Database::num_rows($rs_check) > 0) {
  2010. $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 2
  2011. WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  2012. Database::query($sql);
  2013. if (Database::affected_rows() > 0) {
  2014. return true;
  2015. } else {
  2016. return false;
  2017. }
  2018. } else {
  2019. $sql = "INSERT INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, status) VALUES('$session_id', '$course_code', '$user_id', 2)";
  2020. Database::query($sql);
  2021. if (Database::affected_rows() > 0) {
  2022. return true;
  2023. } else {
  2024. return false;
  2025. }
  2026. }
  2027. }
  2028. } else {
  2029. return false;
  2030. }
  2031. }
  2032. /**
  2033. * Subscribes sessions to human resource manager (Dashboard feature)
  2034. * @param int Human Resource Manager id
  2035. * @param array Sessions id
  2036. * @return int
  2037. **/
  2038. public static function suscribe_sessions_to_hr_manager($userInfo, $sessions_list, $sendEmail = false, $removeOldConnections = true)
  2039. {
  2040. // Database Table Definitions
  2041. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2042. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2043. if (empty($userInfo)) {
  2044. return 0;
  2045. }
  2046. $userId = $userInfo['user_id'];
  2047. // Only subscribe DRH users.
  2048. if ($userInfo['status'] != DRH) {
  2049. return 0;
  2050. }
  2051. $affected_rows = 0;
  2052. // Deleting assigned sessions to hrm_id.
  2053. if ($removeOldConnections) {
  2054. if (api_is_multiple_url_enabled()) {
  2055. $sql = "SELECT id_session
  2056. FROM $tbl_session_rel_user s
  2057. INNER JOIN $tbl_session_rel_access_url a ON (a.session_id = s.id_session)
  2058. WHERE
  2059. id_user = $userId AND
  2060. relation_type=".SESSION_RELATION_TYPE_RRHH." AND
  2061. access_url_id = ".api_get_current_access_url_id()."";
  2062. } else {
  2063. $sql = "SELECT id_session FROM $tbl_session_rel_user s
  2064. WHERE id_user = $userId AND relation_type=".SESSION_RELATION_TYPE_RRHH."";
  2065. }
  2066. $result = Database::query($sql);
  2067. if (Database::num_rows($result) > 0) {
  2068. while ($row = Database::fetch_array($result)) {
  2069. $sql = "DELETE FROM $tbl_session_rel_user
  2070. WHERE
  2071. id_session = {$row['id_session']} AND
  2072. id_user = $userId AND
  2073. relation_type=".SESSION_RELATION_TYPE_RRHH." ";
  2074. Database::query($sql);
  2075. }
  2076. }
  2077. }
  2078. // Inserting new sessions list.
  2079. if (!empty($sessions_list) && is_array($sessions_list)) {
  2080. foreach ($sessions_list as $session_id) {
  2081. $session_id = intval($session_id);
  2082. $sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user, relation_type)
  2083. VALUES ($session_id, $userId, '".SESSION_RELATION_TYPE_RRHH."')";
  2084. Database::query($sql);
  2085. $affected_rows++;
  2086. }
  2087. }
  2088. return $affected_rows;
  2089. }
  2090. /**
  2091. * @param int $userId
  2092. * @param int $sessionId
  2093. * @return array
  2094. */
  2095. public static function getSessionFollowedByDrh($userId, $sessionId)
  2096. {
  2097. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2098. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2099. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2100. $userId = intval($userId);
  2101. $sessionId = intval($sessionId);
  2102. $select = " SELECT * ";
  2103. if (api_is_multiple_url_enabled()) {
  2104. $sql = " $select FROM $tbl_session s
  2105. INNER JOIN $tbl_session_rel_user sru ON (sru.id_session = s.id)
  2106. LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
  2107. WHERE
  2108. sru.id_user = '$userId' AND
  2109. sru.id_session = '$sessionId' AND
  2110. sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' AND
  2111. access_url_id = ".api_get_current_access_url_id()."
  2112. ";
  2113. } else {
  2114. $sql = "$select FROM $tbl_session s
  2115. INNER JOIN $tbl_session_rel_user sru
  2116. ON
  2117. sru.id_session = s.id AND
  2118. sru.id_user = '$userId' AND
  2119. sru.id_session = '$sessionId' AND
  2120. sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."'
  2121. ";
  2122. }
  2123. $result = Database::query($sql);
  2124. if (Database::num_rows($result)) {
  2125. $row = Database::fetch_array($result, 'ASSOC');
  2126. $row['course_list'] = self::get_course_list_by_session_id($sessionId);
  2127. return $row;
  2128. }
  2129. return array();
  2130. }
  2131. /**
  2132. * Get sessions followed by human resources manager
  2133. * @param int $userId
  2134. * @param int $start
  2135. * @param int $limit
  2136. * @param bool $getCount
  2137. * @param bool $getOnlySessionId
  2138. * @param bool $getSql
  2139. * @param string $orderCondition
  2140. * @return array sessions
  2141. */
  2142. public static function get_sessions_followed_by_drh(
  2143. $userId,
  2144. $start = null,
  2145. $limit = null,
  2146. $getCount = false,
  2147. $getOnlySessionId = false,
  2148. $getSql = false,
  2149. $orderCondition = null
  2150. ) {
  2151. return self::getSessionsFollowedByUser(
  2152. $userId,
  2153. DRH,
  2154. $start,
  2155. $limit,
  2156. $getCount,
  2157. $getOnlySessionId,
  2158. $getSql,
  2159. $orderCondition
  2160. );
  2161. }
  2162. /**
  2163. * Get sessions followed by human resources manager
  2164. * @param int $userId
  2165. * @param int $start
  2166. * @param int $limit
  2167. * @param bool $getCount
  2168. * @param bool $getOnlySessionId
  2169. * @param bool $getSql
  2170. * @param string $orderCondition
  2171. * @return array sessions
  2172. */
  2173. public static function getSessionsFollowedByUser(
  2174. $userId,
  2175. $status = null,
  2176. $start = null,
  2177. $limit = null,
  2178. $getCount = false,
  2179. $getOnlySessionId = false,
  2180. $getSql = false,
  2181. $orderCondition = null
  2182. ) {
  2183. // Database Table Definitions
  2184. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2185. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2186. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2187. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2188. $userId = intval($userId);
  2189. $select = " SELECT DISTINCT * ";
  2190. if ($getCount) {
  2191. $select = " SELECT count(DISTINCT(s.id)) as count ";
  2192. }
  2193. if ($getOnlySessionId) {
  2194. $select = " SELECT DISTINCT(s.id) ";
  2195. }
  2196. $limitCondition = null;
  2197. if (!empty($start) && !empty($limit)) {
  2198. $limitCondition = " LIMIT ".intval($start). ", ".intval($limit);
  2199. }
  2200. if (empty($orderCondition)) {
  2201. $orderCondition = " ORDER BY s.name ";
  2202. }
  2203. $whereConditions = null;
  2204. $sessionCourseConditions = null;
  2205. $sessionConditions = null;
  2206. $sessionQuery = null;
  2207. $courseSessionQuery = null;
  2208. switch($status) {
  2209. case DRH:
  2210. $sessionQuery = "SELECT sru.id_session
  2211. FROM
  2212. $tbl_session_rel_user sru
  2213. WHERE
  2214. sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' AND
  2215. sru.id_user = $userId";
  2216. break;
  2217. case COURSEMANAGER:
  2218. $courseSessionQuery = "
  2219. SELECT scu.id_session as id
  2220. FROM $tbl_session_rel_course_rel_user scu
  2221. WHERE (scu.status = 2 AND scu.id_user = $userId)";
  2222. $whereConditions = " OR (s.id_coach = $userId) ";
  2223. break;
  2224. }
  2225. $subQuery = $sessionQuery.$courseSessionQuery;
  2226. $sql = " $select FROM $tbl_session s
  2227. INNER JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
  2228. WHERE
  2229. access_url_id = ".api_get_current_access_url_id()." AND
  2230. s.id IN (
  2231. $subQuery
  2232. )
  2233. $whereConditions
  2234. $orderCondition
  2235. $limitCondition";
  2236. if ($getSql) {
  2237. return $sql;
  2238. }
  2239. $result = Database::query($sql);
  2240. if ($getCount) {
  2241. $row = Database::fetch_array($result);
  2242. return $row['count'];
  2243. }
  2244. $sessions = array();
  2245. if (Database::num_rows($result) > 0) {
  2246. while ($row = Database::fetch_array($result)) {
  2247. $sessions[$row['id']] = $row;
  2248. }
  2249. }
  2250. return $sessions;
  2251. }
  2252. /**
  2253. * Gets the list of courses by session filtered by access_url
  2254. * @param int session id
  2255. * @param string course_name
  2256. * @return array list of courses
  2257. */
  2258. public static function get_course_list_by_session_id($session_id, $course_name = '')
  2259. {
  2260. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2261. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2262. // select the courses
  2263. $sql = "SELECT * FROM $tbl_course c
  2264. INNER JOIN $tbl_session_rel_course src ON c.code = src.course_code
  2265. WHERE src.id_session = '$session_id'";
  2266. if (!empty($course_name)) {
  2267. $course_name = Database::escape_string($course_name);
  2268. $sql .= " AND c.title LIKE '%$course_name%' ";
  2269. }
  2270. $sql .= "ORDER BY title;";
  2271. $result = Database::query($sql);
  2272. $num_rows = Database::num_rows($result);
  2273. $courses = array();
  2274. if ($num_rows > 0) {
  2275. while ($row = Database::fetch_array($result,'ASSOC')) {
  2276. $courses[$row['id']] = $row;
  2277. }
  2278. }
  2279. return $courses;
  2280. }
  2281. /**
  2282. * Gets the list of courses by session filtered by access_url
  2283. * @param int session id
  2284. * @return array list of courses
  2285. */
  2286. public static function getAllCoursesFollowedByUser(
  2287. $userId,
  2288. $sessionId,
  2289. $from,
  2290. $limit,
  2291. $column,
  2292. $direction,
  2293. $getCount = false
  2294. ) {
  2295. if (empty($sessionId)) {
  2296. $sessionsSQL = SessionManager::get_sessions_followed_by_drh(
  2297. $userId,
  2298. null,
  2299. null,
  2300. null,
  2301. true,
  2302. true
  2303. );
  2304. } else {
  2305. $sessionsSQL = intval($sessionId);
  2306. }
  2307. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2308. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2309. if ($getCount) {
  2310. $select = "SELECT COUNT(DISTINCT(c.code)) as count ";
  2311. } else {
  2312. $select = "SELECT DISTINCT c.* ";
  2313. }
  2314. // Select the courses
  2315. $sql = "$select
  2316. FROM $tbl_course c
  2317. INNER JOIN $tbl_session_rel_course src
  2318. ON c.code = src.course_code
  2319. WHERE src.id_session IN ($sessionsSQL)
  2320. ";
  2321. if ($getCount) {
  2322. $result = Database::query($sql);
  2323. $row = Database::fetch_array($result,'ASSOC');
  2324. return $row['count'];
  2325. }
  2326. if (isset($from) && isset($limit)) {
  2327. $from = intval($from);
  2328. $limit = intval($limit);
  2329. $sql .= " LIMIT $from, $limit";
  2330. }
  2331. $result = Database::query($sql);
  2332. $num_rows = Database::num_rows($result);
  2333. $courses = array();
  2334. if ($num_rows > 0) {
  2335. while ($row = Database::fetch_array($result,'ASSOC')) {
  2336. $courses[$row['id']] = $row;
  2337. }
  2338. }
  2339. return $courses;
  2340. }
  2341. /**
  2342. * Gets the count of courses by session filtered by access_url
  2343. * @param int session id
  2344. * @return array list of courses
  2345. */
  2346. public static function getCourseCountBySessionId($session_id)
  2347. {
  2348. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2349. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2350. // select the courses
  2351. $sql = "SELECT COUNT(c.code) count FROM $tbl_course c
  2352. INNER JOIN $tbl_session_rel_course src
  2353. ON c.code = src.course_code
  2354. WHERE src.id_session = '$session_id'";
  2355. $result = Database::query($sql);
  2356. $num_rows = Database::num_rows($result);
  2357. if ($num_rows > 0) {
  2358. $row = Database::fetch_array($result,'ASSOC');
  2359. return $row['count'];
  2360. }
  2361. return null;
  2362. }
  2363. /**
  2364. * Get the session id based on the original id and field name in the extra fields. Returns 0 if session was not found
  2365. *
  2366. * @param string Original session id
  2367. * @param string Original field name
  2368. * @return int Session id
  2369. */
  2370. public static function get_session_id_from_original_id($original_session_id_value, $original_session_id_name)
  2371. {
  2372. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  2373. $table_field = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  2374. $sql = "SELECT session_id
  2375. FROM $table_field sf INNER JOIN $t_sfv sfv ON sfv.field_id=sf.id
  2376. WHERE field_variable='$original_session_id_name' AND field_value='$original_session_id_value'";
  2377. $res_session = Database::query($sql);
  2378. $row = Database::fetch_object($res_session);
  2379. if ($row) {
  2380. return $row->session_id;
  2381. } else {
  2382. return 0;
  2383. }
  2384. }
  2385. /**
  2386. * Get users by session
  2387. * @param int session id
  2388. * @param int filter by status coach = 2
  2389. * @return array a list with an user list
  2390. */
  2391. public static function get_users_by_session($id, $status = null)
  2392. {
  2393. if (empty($id)) {
  2394. return array();
  2395. }
  2396. $id = intval($id);
  2397. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2398. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2399. $sql = "SELECT $tbl_user.user_id, lastname, firstname, username
  2400. FROM $tbl_user INNER JOIN $tbl_session_rel_user
  2401. ON $tbl_user.user_id = $tbl_session_rel_user.id_user
  2402. AND $tbl_session_rel_user.id_session = $id";
  2403. if (isset($status) && $status != '') {
  2404. $status = intval($status);
  2405. $sql .= " WHERE relation_type = $status ";
  2406. }
  2407. $result = Database::query($sql);
  2408. while ($row = Database::fetch_array($result,'ASSOC')) {
  2409. $return_array[] = $row;
  2410. }
  2411. return $return_array;
  2412. }
  2413. /**
  2414. * The general coach (field: session.id_coach)
  2415. * @param int user id
  2416. * @return array
  2417. */
  2418. public static function get_sessions_by_general_coach($user_id) {
  2419. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2420. $user_id = intval($user_id);
  2421. // session where we are general coach
  2422. $sql = "SELECT DISTINCT *
  2423. FROM $session_table
  2424. WHERE id_coach = $user_id";
  2425. if (api_is_multiple_url_enabled()) {
  2426. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2427. $access_url_id = api_get_current_access_url_id();
  2428. if ($access_url_id != -1) {
  2429. $sql = 'SELECT DISTINCT session.*
  2430. FROM '.$session_table.' session INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
  2431. ON (session.id = session_rel_url.session_id)
  2432. WHERE id_coach = '.$user_id.' AND access_url_id = '.$access_url_id;
  2433. }
  2434. }
  2435. $sql .= ' ORDER by name';
  2436. $result = Database::query($sql);
  2437. return Database::store_result($result, 'ASSOC');
  2438. }
  2439. /**
  2440. * @param int $user_id
  2441. * @return array
  2442. */
  2443. public static function get_sessions_by_coach($user_id)
  2444. {
  2445. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2446. return Database::select('*', $session_table, array('where'=>array('id_coach = ?'=>$user_id)));
  2447. }
  2448. /**
  2449. * @param int $user_id
  2450. * @param string $course_code
  2451. * @param int $session_id
  2452. * @return array|bool
  2453. */
  2454. public static function get_user_status_in_course_session($user_id, $course_code, $session_id)
  2455. {
  2456. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2457. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2458. $sql = "SELECT session_rcru.status
  2459. FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2460. WHERE session_rcru.id_user = user.user_id AND
  2461. session_rcru.id_session = '".intval($session_id)."' AND
  2462. session_rcru.course_code ='".Database::escape_string($course_code)."' AND
  2463. user.user_id = ".intval($user_id);
  2464. $result = Database::query($sql);
  2465. $status = false;
  2466. if (Database::num_rows($result)) {
  2467. $status = Database::fetch_row($result);
  2468. $status = $status['0'];
  2469. }
  2470. return $status;
  2471. }
  2472. /**
  2473. * Gets user status within a session
  2474. * @param $user_id
  2475. * @param $course_code
  2476. * @param $session_id
  2477. * @return int
  2478. * @assert (null,null,null) === false
  2479. */
  2480. public static function get_user_status_in_session($user_id, $course_code, $session_id)
  2481. {
  2482. if (empty($user_id) or empty($course_code) or empty($session_id)) {
  2483. return false;
  2484. }
  2485. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2486. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2487. $sql = "SELECT session_rcru.status
  2488. FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2489. WHERE session_rcru.id_user = user.user_id AND
  2490. session_rcru.id_session = '".intval($session_id)."' AND
  2491. session_rcru.course_code ='".Database::escape_string($course_code)."' AND
  2492. user.user_id = ".intval($user_id);
  2493. $result = Database::query($sql);
  2494. $status = false;
  2495. if (Database::num_rows($result)) {
  2496. $status = Database::fetch_row($result);
  2497. $status = $status['0'];
  2498. }
  2499. return $status;
  2500. }
  2501. /**
  2502. * @param int $id
  2503. * @return array
  2504. */
  2505. public static function get_all_sessions_by_promotion($id)
  2506. {
  2507. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  2508. return Database::select('*', $t, array('where'=>array('promotion_id = ?'=>$id)));
  2509. }
  2510. /**
  2511. * @param int $promotion_id
  2512. * @param array $list
  2513. */
  2514. public static function suscribe_sessions_to_promotion($promotion_id, $list)
  2515. {
  2516. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  2517. $params = array();
  2518. $params['promotion_id'] = 0;
  2519. Database::update($t, $params, array('promotion_id = ?'=>$promotion_id));
  2520. $params['promotion_id'] = $promotion_id;
  2521. if (!empty($list)) {
  2522. foreach ($list as $session_id) {
  2523. $session_id= intval($session_id);
  2524. Database::update($t, $params, array('id = ?'=>$session_id));
  2525. }
  2526. }
  2527. }
  2528. /**
  2529. * Updates a session status
  2530. * @param int session id
  2531. * @param int status
  2532. */
  2533. public static function set_session_status($session_id, $status)
  2534. {
  2535. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  2536. $params['visibility'] = $status;
  2537. Database::update($t, $params, array('id = ?'=>$session_id));
  2538. }
  2539. /**
  2540. * Copies a session with the same data to a new session.
  2541. * The new copy is not assigned to the same promotion. @see suscribe_sessions_to_promotions() for that
  2542. * @param int Session ID
  2543. * @param bool Whether to copy the relationship with courses
  2544. * @param bool Whether to copy the relationship with users
  2545. * @param bool New courses will be created
  2546. * @return int The new session ID on success, 0 otherwise
  2547. * @todo make sure the extra session fields are copied too
  2548. */
  2549. public static function copy_session($id, $copy_courses = true, $copy_users = true, $create_new_courses = false, $set_exercises_lp_invisible = false)
  2550. {
  2551. $id = intval($id);
  2552. $s = self::fetch($id);
  2553. $s['year_start'] = substr($s['date_start'],0,4);
  2554. $s['month_start'] = substr($s['date_start'],5,2);
  2555. $s['day_start'] = substr($s['date_start'],8,2);
  2556. $s['year_end'] = substr($s['date_end'],0,4);
  2557. $s['month_end'] = substr($s['date_end'],5,2);
  2558. $s['day_end'] = substr($s['date_end'],8,2);
  2559. $consider_start = true;
  2560. if ($s['year_start'].'-'.$s['month_start'].'-'.$s['day_start'] == '0000-00-00') {
  2561. $consider_start = false;
  2562. }
  2563. $consider_end = true;
  2564. if ($s['year_end'].'-'.$s['month_end'].'-'.$s['day_end'] == '0000-00-00') {
  2565. $consider_end = false;
  2566. }
  2567. $sid = self::create_session($s['name'].' '.get_lang('CopyLabelSuffix'),
  2568. $s['year_start'], $s['month_start'], $s['day_start'],
  2569. $s['year_end'],$s['month_end'],$s['day_end'],
  2570. $s['nb_days_acess_before_beginning'],$s['nb_days_acess_after_end'],
  2571. false,(int)$s['id_coach'], $s['session_category_id'],
  2572. (int)$s['visibility'],$consider_start, $consider_end, true);
  2573. if (!is_numeric($sid) || empty($sid)) {
  2574. return false;
  2575. }
  2576. if ($copy_courses) {
  2577. // Register courses from the original session to the new session
  2578. $courses = self::get_course_list_by_session_id($id);
  2579. $short_courses = $new_short_courses = array();
  2580. if (is_array($courses) && count($courses)>0) {
  2581. foreach ($courses as $course) {
  2582. $short_courses[] = $course;
  2583. }
  2584. }
  2585. $courses = null;
  2586. //We will copy the current courses of the session to new courses
  2587. if (!empty($short_courses)) {
  2588. if ($create_new_courses) {
  2589. //Just in case
  2590. if (function_exists('ini_set')) {
  2591. api_set_memory_limit('256M');
  2592. ini_set('max_execution_time',0);
  2593. }
  2594. $params = array();
  2595. $params['skip_lp_dates'] = true;
  2596. foreach ($short_courses as $course_data) {
  2597. $course_info = CourseManager::copy_course_simple($course_data['title'].' '.get_lang('CopyLabelSuffix'), $course_data['course_code'], $id, $sid, $params);
  2598. if ($course_info) {
  2599. //By default new elements are invisible
  2600. if ($set_exercises_lp_invisible) {
  2601. require_once api_get_path(SYS_CODE_PATH).'newscorm/learnpathList.class.php';
  2602. $list = new LearnpathList('', $course_info['code'], $sid);
  2603. $flat_list = $list->get_flat_list();
  2604. if (!empty($flat_list)) {
  2605. foreach($flat_list as $lp_id => $data) {
  2606. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0 ,0, 0, 0, $sid);
  2607. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0 ,0, 0, 0);
  2608. }
  2609. }
  2610. $quiz_table = Database::get_course_table(TABLE_QUIZ_TEST);
  2611. $course_id = $course_info['real_id'];
  2612. //@todo check this query
  2613. $sql = "UPDATE $quiz_table SET active = 0 WHERE c_id = $course_id ";
  2614. $result=Database::query($sql);
  2615. }
  2616. $new_short_courses[] = $course_info['code'];
  2617. }
  2618. }
  2619. } else {
  2620. foreach($short_courses as $course_data) {
  2621. $new_short_courses[] = $course_data['code'];
  2622. }
  2623. }
  2624. $short_courses = $new_short_courses;
  2625. self::add_courses_to_session($sid, $short_courses, true);
  2626. $short_courses = null;
  2627. }
  2628. }
  2629. if ($copy_users) {
  2630. // Register users from the original session to the new session
  2631. $users = self::get_users_by_session($id);
  2632. $short_users = array();
  2633. if (is_array($users) && count($users)>0) {
  2634. foreach ($users as $user) {
  2635. $short_users[] = $user['user_id'];
  2636. }
  2637. }
  2638. $users = null;
  2639. //Subscribing in read only mode
  2640. self::suscribe_users_to_session($sid, $short_users, SESSION_VISIBLE_READ_ONLY, true, false);
  2641. $short_users = null;
  2642. }
  2643. return $sid;
  2644. }
  2645. /**
  2646. * @param int $user_id
  2647. * @param int $session_id
  2648. * @return bool
  2649. */
  2650. static function user_is_general_coach($user_id, $session_id) {
  2651. $session_id = intval($session_id);
  2652. $user_id = intval($user_id);
  2653. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2654. $sql = "SELECT DISTINCT id
  2655. FROM $session_table
  2656. WHERE session.id_coach = '".$user_id."' AND id = '$session_id'";
  2657. $result = Database::query($sql);
  2658. if ($result && Database::num_rows($result)) {
  2659. return true;
  2660. }
  2661. return false;
  2662. }
  2663. /**
  2664. * Get the number of sessions
  2665. * @param int ID of the URL we want to filter on (optional)
  2666. * @return int Number of sessions
  2667. */
  2668. public static function count_sessions($access_url_id = null)
  2669. {
  2670. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2671. $access_url_rel_session_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2672. $sql = "SELECT count(id) FROM $session_table s";
  2673. if (!empty($access_url_id) && $access_url_id == intval($access_url_id)) {
  2674. $sql .= ", $access_url_rel_session_table u ".
  2675. " WHERE s.id = u.session_id AND u.access_url_id = $access_url_id";
  2676. }
  2677. $res = Database::query($sql);
  2678. $row = Database::fetch_row($res);
  2679. return $row[0];
  2680. }
  2681. /**
  2682. * @param int $id
  2683. */
  2684. static function protect_session_edit($id)
  2685. {
  2686. api_protect_admin_script(true);
  2687. $session_info = self::fetch($id);
  2688. if (!api_is_platform_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') != 'true') {
  2689. if ($session_info['session_admin_id'] != api_get_user_id()) {
  2690. api_not_allowed(true);
  2691. }
  2692. }
  2693. }
  2694. /**
  2695. * @param string $course_code
  2696. * @return array
  2697. */
  2698. public static function get_session_by_course($course_code)
  2699. {
  2700. $table_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2701. $table_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2702. $course_code = Database::escape_string($course_code);
  2703. $sql = "SELECT name, s.id
  2704. FROM $table_session_course sc INNER JOIN $table_session s ON (sc.id_session = s.id)
  2705. WHERE sc.course_code = '$course_code' ";
  2706. $result = Database::query($sql);
  2707. return Database::store_result($result);
  2708. }
  2709. /**
  2710. * @param int $user_id
  2711. * @param bool $ignore_visibility_for_admins
  2712. * @return array
  2713. */
  2714. public static function get_sessions_by_user($user_id, $ignore_visibility_for_admins = false)
  2715. {
  2716. $session_categories = UserManager::get_sessions_by_category($user_id, false, $ignore_visibility_for_admins);
  2717. $session_array = array();
  2718. if (!empty($session_categories)) {
  2719. foreach ($session_categories as $category) {
  2720. if (isset($category['sessions'])) {
  2721. foreach ($category['sessions'] as $session) {
  2722. $session_array[] = $session;
  2723. }
  2724. }
  2725. }
  2726. }
  2727. return $session_array;
  2728. }
  2729. /**
  2730. * @param string $file
  2731. * @param bool $updateSession options:
  2732. * true: if the session exists it will be updated.
  2733. * false: if session exists a new session will be created adding a counter session1, session2, etc
  2734. * @param int $defaultUserId
  2735. * @param mixed $logger
  2736. * @param array $extraFields convert a file row to an extra field. Example in CSV file there's a SessionID then it will
  2737. * converted to extra_external_session_id if you set this: array('SessionId' => 'extra_external_session_id')
  2738. * @param string $extraFieldId
  2739. * @param int $daysCoachAccessBeforeBeginning
  2740. * @param int $daysCoachAccessAfterBeginning
  2741. * @param int $sessionVisibility
  2742. * @param array $fieldsToAvoidUpdate
  2743. * @param bool $deleteUsersNotInList
  2744. * @param bool $updateCourseCoaches
  2745. * @param bool $sessionWithCoursesModifier
  2746. * @return array
  2747. */
  2748. static function importCSV(
  2749. $file,
  2750. $updateSession,
  2751. $defaultUserId = null,
  2752. $logger = null,
  2753. $extraFields = array(),
  2754. $extraFieldId = null,
  2755. $daysCoachAccessBeforeBeginning = null,
  2756. $daysCoachAccessAfterBeginning = null,
  2757. $sessionVisibility = 1,
  2758. $fieldsToAvoidUpdate = array(),
  2759. $deleteUsersNotInList = false,
  2760. $updateCourseCoaches = false,
  2761. $sessionWithCoursesModifier = false
  2762. ) {
  2763. $content = file($file);
  2764. $error_message = null;
  2765. $session_counter = 0;
  2766. if (empty($defaultUserId)) {
  2767. $defaultUserId = api_get_user_id();
  2768. }
  2769. $eol = PHP_EOL;
  2770. if (PHP_SAPI !='cli') {
  2771. $eol = '<br />';
  2772. }
  2773. $debug = false;
  2774. if (isset($logger)) {
  2775. $debug = true;
  2776. }
  2777. $extraParameters = null;
  2778. if (!empty($daysCoachAccessBeforeBeginning) && !empty($daysCoachAccessAfterBeginning)) {
  2779. $extraParameters .= ' , nb_days_access_before_beginning = '.intval($daysCoachAccessBeforeBeginning);
  2780. $extraParameters .= ' , nb_days_access_after_end = '.intval($daysCoachAccessAfterBeginning);
  2781. }
  2782. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2783. $tbl_session_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2784. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2785. $tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2786. $sessions = array();
  2787. if (!api_strstr($content[0], ';')) {
  2788. $error_message = get_lang('NotCSV');
  2789. } else {
  2790. $tag_names = array();
  2791. foreach ($content as $key => $enreg) {
  2792. $enreg = explode(';', trim($enreg));
  2793. if ($key) {
  2794. foreach ($tag_names as $tag_key => $tag_name) {
  2795. $sessions[$key - 1][$tag_name] = $enreg[$tag_key];
  2796. }
  2797. } else {
  2798. foreach ($enreg as $tag_name) {
  2799. $tag_names[] = api_preg_replace('/[^a-zA-Z0-9_\-]/', '', $tag_name);
  2800. }
  2801. if (!in_array('SessionName', $tag_names) || !in_array('DateStart', $tag_names) || !in_array('DateEnd', $tag_names)) {
  2802. $error_message = get_lang('NoNeededData');
  2803. break;
  2804. }
  2805. }
  2806. }
  2807. $sessionList = array();
  2808. // Looping the sessions.
  2809. foreach ($sessions as $enreg) {
  2810. $user_counter = 0;
  2811. $course_counter = 0;
  2812. if (isset($extraFields) && !empty($extraFields)) {
  2813. foreach ($extraFields as $original => $to) {
  2814. $enreg[$to] = isset($enreg[$original]) ? $enreg[$original] : null;
  2815. }
  2816. }
  2817. $session_name = Database::escape_string($enreg['SessionName']);
  2818. if (empty($session_name)) {
  2819. continue;
  2820. }
  2821. $date_start = $enreg['DateStart'];
  2822. $date_end = $enreg['DateEnd'];
  2823. $visibility = isset($enreg['Visibility']) ? $enreg['Visibility'] : $sessionVisibility;
  2824. $session_category_id = isset($enreg['SessionCategory']) ? $enreg['SessionCategory'] : null;
  2825. $sessionDescription = isset($enreg['SessionDescription']) ? $enreg['SessionDescription'] : null;
  2826. $extraSessionParameters = null;
  2827. if (!empty($sessionDescription)) {
  2828. $extraSessionParameters = " , description = '".Database::escape_string($sessionDescription)."'";
  2829. }
  2830. // Searching a general coach.
  2831. if (!empty($enreg['Coach'])) {
  2832. $coach_id = UserManager::get_user_id_from_username($enreg['Coach']);
  2833. if ($coach_id === false) {
  2834. // If the coach-user does not exist - I'm the coach.
  2835. $coach_id = $defaultUserId;
  2836. }
  2837. } else {
  2838. $coach_id = $defaultUserId;
  2839. }
  2840. if (!$updateSession) {
  2841. // Always create a session.
  2842. $unique_name = false;
  2843. $i = 0;
  2844. // Change session name, verify that session doesn't exist.
  2845. $suffix = null;
  2846. while (!$unique_name) {
  2847. if ($i > 1) {
  2848. $suffix = ' - '.$i;
  2849. }
  2850. $sql = 'SELECT 1 FROM '.$tbl_session.' WHERE name="'.$session_name.$suffix.'"';
  2851. $rs = Database::query($sql);
  2852. if (Database::result($rs, 0, 0)) {
  2853. $i++;
  2854. } else {
  2855. $unique_name = true;
  2856. $session_name .= $suffix;
  2857. }
  2858. }
  2859. // Creating the session.
  2860. $sql = "INSERT IGNORE INTO $tbl_session SET
  2861. name = '".$session_name."',
  2862. id_coach = '$coach_id',
  2863. date_start = '$date_start',
  2864. date_end = '$date_end',
  2865. visibility = '$visibility',
  2866. session_category_id = '$session_category_id',
  2867. session_admin_id = ".intval($defaultUserId).$extraParameters.$extraSessionParameters;
  2868. Database::query($sql);
  2869. $session_id = Database::insert_id();
  2870. if ($debug) {
  2871. if ($session_id) {
  2872. foreach ($enreg as $key => $value) {
  2873. if (substr($key, 0, 6) == 'extra_') { //an extra field
  2874. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  2875. }
  2876. }
  2877. $logger->addInfo("Sessions - Session created: #$session_id - $session_name");
  2878. } else {
  2879. $logger->addError("Sessions - Session NOT created: $session_name");
  2880. }
  2881. }
  2882. $session_counter++;
  2883. } else {
  2884. $sessionId = null;
  2885. if (isset($extraFields) && !empty($extraFields) && !empty($enreg['extra_'.$extraFieldId])) {
  2886. $sessionId = self::get_session_id_from_original_id($enreg['extra_'.$extraFieldId], $extraFieldId);
  2887. if (empty($sessionId)) {
  2888. $my_session_result = false;
  2889. } else {
  2890. $my_session_result = true;
  2891. }
  2892. } else {
  2893. $my_session_result = self::get_session_by_name($enreg['SessionName']);
  2894. }
  2895. if ($my_session_result === false) {
  2896. // Creating a session.
  2897. $sql_session = "INSERT IGNORE INTO $tbl_session SET
  2898. name = '$session_name',
  2899. id_coach = '$coach_id',
  2900. date_start = '$date_start',
  2901. date_end = '$date_end',
  2902. visibility = '$visibility',
  2903. session_category_id = '$session_category_id' ".$extraParameters.$extraSessionParameters;
  2904. Database::query($sql_session);
  2905. // We get the last insert id.
  2906. $my_session_result = SessionManager::get_session_by_name($enreg['SessionName']);
  2907. $session_id = $my_session_result['id'];
  2908. if ($session_id) {
  2909. if ($session_id) {
  2910. foreach ($enreg as $key => $value) {
  2911. if (substr($key, 0, 6) == 'extra_') { //an extra field
  2912. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  2913. }
  2914. }
  2915. if ($debug) {
  2916. $logger->addInfo("Sessions - #$session_id created: $session_name");
  2917. }
  2918. } else {
  2919. if ($debug) {
  2920. $logger->addError("Sessions - Session NOT created: $session_name");
  2921. }
  2922. }
  2923. // Delete session-user relation only for students
  2924. $sql = "DELETE FROM $tbl_session_user
  2925. WHERE id_session = '$session_id' AND relation_type <> ".SESSION_RELATION_TYPE_RRHH;
  2926. Database::query($sql);
  2927. $sql = "DELETE FROM $tbl_session_course WHERE id_session = '$session_id'";
  2928. Database::query($sql);
  2929. // Delete session-course-user relationships students and coaches.
  2930. if ($updateCourseCoaches) {
  2931. $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status in ('0', '2')";
  2932. Database::query($sql);
  2933. } else {
  2934. // Delete session-course-user relation ships *only* for students.
  2935. $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status <> 2";
  2936. Database::query($sql);
  2937. }
  2938. }
  2939. } else {
  2940. // Updating the session.
  2941. $params = array(
  2942. 'id_coach' => $coach_id,
  2943. 'date_start' => $date_start,
  2944. 'date_end' => $date_end,
  2945. 'visibility' => $visibility,
  2946. 'session_category_id' => $session_category_id
  2947. );
  2948. if (!empty($sessionDescription)) {
  2949. $params['description'] = $sessionDescription;
  2950. }
  2951. if (!empty($fieldsToAvoidUpdate)) {
  2952. foreach ($fieldsToAvoidUpdate as $field) {
  2953. unset($params[$field]);
  2954. }
  2955. }
  2956. if (isset($sessionId) && !empty($sessionId)) {
  2957. Database::update($tbl_session, $params, array('id = ?' => $sessionId));
  2958. $session_id = $sessionId;
  2959. } else {
  2960. Database::update($tbl_session, $params, array("name = '?' " => $enreg['SessionName']));
  2961. $row = Database::query("SELECT id FROM $tbl_session WHERE name = '$session_name'");
  2962. list($session_id) = Database::fetch_array($row);
  2963. }
  2964. if ($session_id) {
  2965. foreach ($enreg as $key => $value) {
  2966. if (substr($key, 0, 6) == 'extra_') { //an extra field
  2967. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  2968. }
  2969. }
  2970. // Delete session-user relation only for students
  2971. $sql = "DELETE FROM $tbl_session_user
  2972. WHERE id_session = '$session_id' AND relation_type <> ".SESSION_RELATION_TYPE_RRHH;
  2973. Database::query($sql);
  2974. $sql = "DELETE FROM $tbl_session_course WHERE id_session = '$session_id'";
  2975. Database::query($sql);
  2976. // Delete session-course-user relationships students and coaches.
  2977. if ($updateCourseCoaches) {
  2978. $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status in ('0', '2')";
  2979. Database::query($sql);
  2980. } else {
  2981. // Delete session-course-user relation ships *only* for students.
  2982. $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status <> 2";
  2983. Database::query($sql);
  2984. }
  2985. }
  2986. }
  2987. $session_counter++;
  2988. }
  2989. $sessionList[] = $session_id;
  2990. $users = explode('|', $enreg['Users']);
  2991. // Adding the relationship "Session - User" for students
  2992. $userList = array();
  2993. if (is_array($users)) {
  2994. foreach ($users as $user) {
  2995. $user_id = UserManager::get_user_id_from_username($user);
  2996. if ($user_id !== false) {
  2997. $userList[] = $user_id;
  2998. // Insert new users.
  2999. $sql = "INSERT IGNORE INTO $tbl_session_user SET
  3000. id_user = '$user_id',
  3001. id_session = '$session_id'";
  3002. Database::query($sql);
  3003. if ($debug) {
  3004. $logger->addInfo("Sessions - Adding User #$user_id ($user) to session #$session_id");
  3005. }
  3006. $user_counter++;
  3007. }
  3008. }
  3009. }
  3010. if ($deleteUsersNotInList) {
  3011. // Getting user in DB in order to compare to the new list.
  3012. $usersListInDatabase = self::get_users_by_session($session_id, 0);
  3013. if (!empty($usersListInDatabase)) {
  3014. if (empty($userList)) {
  3015. foreach ($usersListInDatabase as $userInfo) {
  3016. self::unsubscribe_user_from_session($session_id, $userInfo['user_id']);
  3017. }
  3018. } else {
  3019. foreach ($usersListInDatabase as $userInfo) {
  3020. if (!in_array($userInfo['user_id'], $userList)) {
  3021. self::unsubscribe_user_from_session($session_id, $userInfo['user_id']);
  3022. }
  3023. }
  3024. }
  3025. }
  3026. }
  3027. $courses = explode('|', $enreg['Courses']);
  3028. // See BT#6449
  3029. $onlyAddFirstCoachOrTeacher = false;
  3030. $removeAllTeachersFromCourse = false;
  3031. if ($sessionWithCoursesModifier) {
  3032. if (count($courses) >= 2) {
  3033. // Only first teacher in course session;
  3034. $onlyAddFirstCoachOrTeacher = true;
  3035. // Remove all teachers from course.
  3036. $removeAllTeachersFromCourse = true;
  3037. }
  3038. }
  3039. foreach ($courses as $course) {
  3040. $courseArray = bracketsToArray($course);
  3041. $course_code = $courseArray[0];
  3042. if (CourseManager::course_exists($course_code)) {
  3043. $courseInfo = api_get_course_info($course_code);
  3044. // Adding the course to a session.
  3045. $sql_course = "INSERT IGNORE INTO $tbl_session_course
  3046. SET course_code = '$course_code', id_session='$session_id'";
  3047. Database::query($sql_course);
  3048. $course_info = api_get_course_info($course_code);
  3049. SessionManager::installCourse($session_id, $course_info['real_id']);
  3050. if ($debug) {
  3051. $logger->addInfo("Sessions - Adding course '$course_code' to session #$session_id");
  3052. }
  3053. $course_counter++;
  3054. $course_coaches = isset($courseArray[1]) ? $courseArray[1] : null;
  3055. $course_users = isset($courseArray[2]) ? $courseArray[2] : null;
  3056. $course_users = explode(',', $course_users);
  3057. $course_coaches = explode(',', $course_coaches);
  3058. // Checking if the flag is set TeachersWillBeAddedAsCoachInAllCourseSessions (course_edit.php)
  3059. $addTeachersToSession = true;
  3060. if (array_key_exists('add_teachers_to_sessions_courses', $courseInfo)) {
  3061. $addTeachersToSession = $courseInfo['add_teachers_to_sessions_courses'];
  3062. }
  3063. // If any user provided for a course, use the users array.
  3064. if (empty($course_users)) {
  3065. if (!empty($userList)) {
  3066. SessionManager::subscribe_users_to_session_course($userList, $session_id, $course_code);
  3067. if ($debug) {
  3068. $msg = "Sessions - Adding student list ".implode(', #', $userList)." to course: '$course_code' and session #$session_id";
  3069. $logger->addInfo($msg);
  3070. }
  3071. }
  3072. }
  3073. // Adding coaches to session course user.
  3074. if (!empty($course_coaches)) {
  3075. $savedCoaches = array();
  3076. // only edit if add_teachers_to_sessions_courses is set.
  3077. if ($addTeachersToSession) {
  3078. // Adding course teachers as course session teachers.
  3079. $alreadyAddedTeachers = CourseManager::get_teacher_list_from_course_code($course_code);
  3080. if (!empty($alreadyAddedTeachers)) {
  3081. $teachersToAdd = array();
  3082. foreach ($alreadyAddedTeachers as $user) {
  3083. $teachersToAdd[] = $user['username'];
  3084. }
  3085. $course_coaches = array_merge($course_coaches, $teachersToAdd);
  3086. }
  3087. foreach ($course_coaches as $course_coach) {
  3088. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3089. if ($coach_id !== false) {
  3090. // Just insert new coaches
  3091. SessionManager::updateCoaches($session_id, $course_code, array($coach_id), false);
  3092. if ($debug) {
  3093. $logger->addInfo("Sessions - Adding course coach: user #$coach_id ($course_coach) to course: '$course_code' and session #$session_id");
  3094. }
  3095. $savedCoaches[] = $coach_id;
  3096. } else {
  3097. $error_message .= get_lang('UserDoesNotExist').' : '.$course_coach.$eol;
  3098. }
  3099. }
  3100. }
  3101. // Custom courses/session coaches
  3102. $teacherToAdd = null;
  3103. if ($onlyAddFirstCoachOrTeacher == true) {
  3104. foreach ($course_coaches as $course_coach) {
  3105. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3106. if ($coach_id !== false) {
  3107. $teacherToAdd = $coach_id;
  3108. break;
  3109. }
  3110. }
  3111. if (!empty($teacherToAdd)) {
  3112. SessionManager::updateCoaches($session_id, $course_code, array($teacherToAdd), true);
  3113. }
  3114. }
  3115. if ($removeAllTeachersFromCourse && !empty($teacherToAdd)) {
  3116. // Deleting all course teachers and adding the only coach as teacher.
  3117. $teacherList = CourseManager::get_teacher_list_from_course_code($course_code);
  3118. if (!empty($teacherList)) {
  3119. foreach ($teacherList as $teacher) {
  3120. CourseManager::unsubscribe_user($teacher['user_id'], $course_code);
  3121. }
  3122. }
  3123. CourseManager::subscribe_user($teacherToAdd, $course_code, COURSEMANAGER);
  3124. }
  3125. // Continue default behaviour.
  3126. if ($onlyAddFirstCoachOrTeacher == false) {
  3127. // Checking one more time see BT#6449#note-149
  3128. $coaches = SessionManager::getCoachesByCourseSession($session_id, $course_code);
  3129. if (empty($coaches)) {
  3130. foreach ($course_coaches as $course_coach) {
  3131. $course_coach = trim($course_coach);
  3132. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3133. if ($coach_id !== false) {
  3134. // Just insert new coaches
  3135. SessionManager::updateCoaches($session_id, $course_code, array($coach_id), false);
  3136. if ($debug) {
  3137. $logger->addInfo("Sessions - Adding course coach: user #$coach_id ($course_coach) to course: '$course_code' and session #$session_id");
  3138. }
  3139. $savedCoaches[] = $coach_id;
  3140. } else {
  3141. $error_message .= get_lang('UserDoesNotExist').' : '.$course_coach.$eol;
  3142. }
  3143. }
  3144. }
  3145. }
  3146. }
  3147. // Adding Students, updating relationship "Session - Course - User".
  3148. if (!empty($course_users)) {
  3149. foreach ($course_users as $user) {
  3150. $user_id = UserManager::get_user_id_from_username($user);
  3151. if ($user_id !== false) {
  3152. SessionManager::subscribe_users_to_session_course(array($user_id), $session_id, $course_code);
  3153. if ($debug) {
  3154. $logger->addInfo("Sessions - Adding student: user #$user_id ($user) to course: '$course_code' and session #$session_id");
  3155. }
  3156. } else {
  3157. $error_message .= get_lang('UserDoesNotExist').': '.$user.$eol;
  3158. }
  3159. }
  3160. }
  3161. $course_info = CourseManager::get_course_information($course_code);
  3162. $inserted_in_course[$course_code] = $course_info['title'];
  3163. }
  3164. }
  3165. $access_url_id = api_get_current_access_url_id();
  3166. UrlManager::add_session_to_url($session_id, $access_url_id);
  3167. $sql_update_users = "UPDATE $tbl_session SET nbr_users = '$user_counter', nbr_courses = '$course_counter' WHERE id = '$session_id'";
  3168. Database::query($sql_update_users);
  3169. }
  3170. }
  3171. return array(
  3172. 'error_message' => $error_message,
  3173. 'session_counter' => $session_counter,
  3174. 'session_list' => $sessionList
  3175. );
  3176. }
  3177. /**
  3178. * @param int $sessionId
  3179. * @param string $courseCode
  3180. * @return array
  3181. */
  3182. public static function getCoachesByCourseSession($sessionId, $courseCode)
  3183. {
  3184. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3185. $sessionId = intval($sessionId);
  3186. $courseCode = Database::escape_string($courseCode);
  3187. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user WHERE id_session = '$sessionId' AND course_code = '$courseCode' AND status = 2";
  3188. $result = Database::query($sql);
  3189. $coaches = array();
  3190. if (Database::num_rows($result) > 0) {
  3191. while ($row = Database::fetch_row($result)) {
  3192. $coaches[] = $row[0];
  3193. }
  3194. }
  3195. return $coaches;
  3196. }
  3197. /**
  3198. * Get all coaches added in the session - course relationship
  3199. * @param int $sessionId
  3200. * @return array
  3201. */
  3202. public static function getCoachesBySession($sessionId)
  3203. {
  3204. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3205. $sessionId = intval($sessionId);
  3206. $sql = "SELECT DISTINCT id_user FROM $table
  3207. WHERE id_session = '$sessionId' AND status = 2";
  3208. $result = Database::query($sql);
  3209. $coaches = array();
  3210. if (Database::num_rows($result) > 0) {
  3211. while ($row = Database::fetch_array($result)) {
  3212. $coaches[] = $row['id_user'];
  3213. }
  3214. }
  3215. return $coaches;
  3216. }
  3217. /**
  3218. * @param string $status
  3219. * @param int $userId
  3220. * @param bool $getCount
  3221. * @param int $from
  3222. * @param int $numberItems
  3223. * @param int $column
  3224. * @param string $direction
  3225. * @param string $keyword
  3226. * @param string $active
  3227. * @param string $lastConnectionDate
  3228. * @param array $sessionIdList
  3229. * @param array $studentIdList
  3230. * @param int $filterByStatus
  3231. * @return array|int
  3232. */
  3233. public static function getAllUsersFromCoursesFromAllSessionFromStatus(
  3234. $status,
  3235. $userId,
  3236. $getCount = false,
  3237. $from = null,
  3238. $numberItems = null,
  3239. $column = 1,
  3240. $direction = 'asc',
  3241. $keyword = null,
  3242. $active = null,
  3243. $lastConnectionDate = null,
  3244. $sessionIdList = array(),
  3245. $studentIdList = array(),
  3246. $filterByStatus = null
  3247. ) {
  3248. $filterByStatus = intval($filterByStatus);
  3249. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  3250. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  3251. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  3252. $tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  3253. $tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
  3254. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3255. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  3256. $direction = in_array(strtolower($direction), array('asc', 'desc')) ? $direction : 'asc';
  3257. $column = Database::escape_string($column);
  3258. $userId = intval($userId);
  3259. $limitCondition = null;
  3260. if (isset($from) && isset($numberItems)) {
  3261. $from = intval($from);
  3262. $numberItems = intval($numberItems);
  3263. $limitCondition = "LIMIT $from, $numberItems";
  3264. }
  3265. $urlId = api_get_current_access_url_id();
  3266. $sessionConditions = null;
  3267. $courseConditions = null;
  3268. $userConditions = null;
  3269. if (isset($active)) {
  3270. $active = intval($active);
  3271. $userConditions .= " AND active = $active";
  3272. }
  3273. switch ($status) {
  3274. case 'drh':
  3275. // Classic DRH
  3276. if (empty($studentIdList)) {
  3277. $studentListSql = UserManager::get_users_followed_by_drh(
  3278. $userId,
  3279. $filterByStatus,
  3280. true,
  3281. false
  3282. );
  3283. $studentIdList = array_keys($studentListSql);
  3284. $studentListSql = "'".implode("','", $studentIdList)."'";
  3285. } else {
  3286. $studentIdList = array_map('intval', $studentIdList);
  3287. $studentListSql = "'".implode("','", $studentIdList)."'";
  3288. }
  3289. if (!empty($studentListSql)) {
  3290. $userConditions = " AND u.user_id IN (".$studentListSql.") ";
  3291. }
  3292. break;
  3293. case 'drh_all':
  3294. // Show all by DRH
  3295. if (empty($sessionIdList)) {
  3296. $sessionsListSql = SessionManager::get_sessions_followed_by_drh(
  3297. $userId,
  3298. null,
  3299. null,
  3300. false,
  3301. true,
  3302. true
  3303. );
  3304. } else {
  3305. $sessionIdList = array_map('intval', $sessionIdList);
  3306. $sessionsListSql = "'".implode("','", $sessionIdList)."'";
  3307. }
  3308. if (!empty($sessionsListSql)) {
  3309. $sessionConditions = " AND s.id IN (".$sessionsListSql.") ";
  3310. }
  3311. break;
  3312. case 'session_admin';
  3313. $sessionConditions = " AND s.id_coach = $userId ";
  3314. break;
  3315. case 'admin':
  3316. break;
  3317. case 'teacher':
  3318. $sessionConditions = " AND s.id_coach = $userId ";
  3319. // $statusConditions = " AND s.id_coach = $userId";
  3320. break;
  3321. }
  3322. $select = "SELECT DISTINCT u.* ";
  3323. $masterSelect = "SELECT DISTINCT * FROM ";
  3324. if ($getCount) {
  3325. $select = "SELECT DISTINCT u.user_id ";
  3326. $masterSelect = "SELECT COUNT(DISTINCT(user_id)) as count FROM ";
  3327. }
  3328. if (!empty($filterByStatus)) {
  3329. $userConditions .= " AND u.status = ".$filterByStatus;
  3330. }
  3331. if (!empty($lastConnectionDate)) {
  3332. $lastConnectionDate = Database::escape_string($lastConnectionDate);
  3333. $userConditions .= " AND u.last_login <= '$lastConnectionDate' ";
  3334. }
  3335. if (!empty($keyword)) {
  3336. $keyword = Database::escape_string($keyword);
  3337. $userConditions .= " AND (
  3338. u.username LIKE '%$keyword%' OR
  3339. u.firstname LIKE '%$keyword%' OR
  3340. u.lastname LIKE '%$keyword%' OR
  3341. u.official_code LIKE '%$keyword%' OR
  3342. u.email LIKE '%$keyword%'
  3343. )";
  3344. }
  3345. $where = " WHERE
  3346. access_url_id = $urlId
  3347. $userConditions
  3348. ";
  3349. $sql = "$masterSelect (
  3350. ($select
  3351. FROM $tbl_session s
  3352. INNER JOIN $tbl_session_rel_course_rel_user su ON (s.id = su.id_session)
  3353. INNER JOIN $tbl_user u ON (u.user_id = su.id_user AND s.id = id_session)
  3354. INNER JOIN $tbl_session_rel_access_url url ON (url.session_id = s.id)
  3355. $where
  3356. $sessionConditions
  3357. )
  3358. UNION (
  3359. $select
  3360. FROM $tbl_course c
  3361. INNER JOIN $tbl_course_user cu ON (cu.course_code = c.code)
  3362. INNER JOIN $tbl_user u ON (u.user_id = cu.user_id)
  3363. INNER JOIN $tbl_course_rel_access_url url ON (url.course_code = c.code)
  3364. $where
  3365. $courseConditions
  3366. )
  3367. ) as t1
  3368. ";
  3369. if ($getCount) {
  3370. ///var_dump($sql);
  3371. $result = Database::query($sql);
  3372. $count = 0;
  3373. if (Database::num_rows($result)) {
  3374. $rows = Database::fetch_array($result);
  3375. $count = $rows['count'];
  3376. }
  3377. return $count;
  3378. }
  3379. if (!empty($column) && !empty($direction)) {
  3380. $column = str_replace('u.', '', $column);
  3381. $sql .= " ORDER BY $column $direction ";
  3382. }
  3383. $sql .= $limitCondition;
  3384. $result = Database::query($sql);
  3385. $result = Database::store_result($result);
  3386. return $result ;
  3387. }
  3388. /**
  3389. * @param int $sessionId
  3390. * @param string $courseCode
  3391. * @param array $coachList
  3392. * @param bool $deleteCoachesNotInList
  3393. */
  3394. public static function updateCoaches($sessionId, $courseCode, $coachList, $deleteCoachesNotInList = false)
  3395. {
  3396. $currentCoaches = self::getCoachesByCourseSession($sessionId, $courseCode);
  3397. if (!empty($coachList)) {
  3398. foreach ($coachList as $userId) {
  3399. self::set_coach_to_course_session($userId, $sessionId, $courseCode);
  3400. }
  3401. }
  3402. if ($deleteCoachesNotInList) {
  3403. if (!empty($coachList)) {
  3404. $coachesToDelete = array_diff($currentCoaches, $coachList);
  3405. } else {
  3406. $coachesToDelete = $currentCoaches;
  3407. }
  3408. if (!empty($coachesToDelete)) {
  3409. foreach ($coachesToDelete as $userId) {
  3410. self::set_coach_to_course_session($userId, $sessionId, $courseCode, true);
  3411. }
  3412. }
  3413. }
  3414. }
  3415. /**
  3416. * @param array $sessions
  3417. * @param array $sessionsDestination
  3418. * @return string
  3419. */
  3420. public static function copyStudentsFromSession($sessions, $sessionsDestination)
  3421. {
  3422. $messages = array();
  3423. if (!empty($sessions)) {
  3424. foreach ($sessions as $sessionId) {
  3425. $sessionInfo = self::fetch($sessionId);
  3426. $userList = self::get_users_by_session($sessionId, 0);
  3427. if (!empty($userList)) {
  3428. $newUserList = array();
  3429. $userToString = null;
  3430. foreach ($userList as $userInfo) {
  3431. $newUserList[] = $userInfo['user_id'];
  3432. $userToString .= $userInfo['firstname'].' '.$userInfo['lastname'].'<br />';
  3433. }
  3434. if (!empty($sessionsDestination)) {
  3435. foreach ($sessionsDestination as $sessionDestinationId) {
  3436. $sessionDestinationInfo = self::fetch($sessionDestinationId);
  3437. $messages[] = Display::return_message(
  3438. sprintf(get_lang('AddingStudentsFromSessionXToSessionY'), $sessionInfo['name'], $sessionDestinationInfo['name']),
  3439. 'info',
  3440. false
  3441. );
  3442. if ($sessionId == $sessionDestinationId) {
  3443. $messages[] = Display::return_message(get_lang('SkipSession'), 'warning', false);
  3444. continue;
  3445. }
  3446. $messages[] = Display::return_message(get_lang('StudentList').'<br />'.$userToString, 'info', false);
  3447. SessionManager::suscribe_users_to_session($sessionDestinationId, $newUserList, SESSION_VISIBLE_READ_ONLY, false);
  3448. }
  3449. } else {
  3450. $messages[] = Display::return_message(get_lang('NoDestinationSessionProvided'), 'warning');
  3451. }
  3452. } else {
  3453. $messages[] = Display::return_message(get_lang('NoStudentsFoundForSession').' #'.$sessionInfo['name'], 'warning');
  3454. }
  3455. }
  3456. } else {
  3457. $messages[]= Display::return_message(get_lang('NoData'), 'warning');
  3458. }
  3459. return $messages;
  3460. }
  3461. /**
  3462. * Assign coaches of a session(s) as teachers to a given course (or courses)
  3463. * @param array A list of session IDs
  3464. * @param array A list of course IDs
  3465. * @return string
  3466. */
  3467. public static function copyCoachesFromSessionToCourse($sessions, $courses)
  3468. {
  3469. $coachesPerSession = array();
  3470. foreach ($sessions as $sessionId) {
  3471. $coaches = self::getCoachesBySession($sessionId);
  3472. $coachesPerSession[$sessionId] = $coaches;
  3473. }
  3474. $result = array();
  3475. if (!empty($courses)) {
  3476. foreach ($courses as $courseId) {
  3477. $courseInfo = api_get_course_info_by_id($courseId);
  3478. foreach ($coachesPerSession as $sessionId => $coachList) {
  3479. CourseManager::updateTeachers(
  3480. $courseInfo['code'],
  3481. $coachList,
  3482. false,
  3483. false,
  3484. false
  3485. );
  3486. $result[$courseInfo['code']][$sessionId] = $coachList;
  3487. }
  3488. }
  3489. }
  3490. $sessionUrl = api_get_path(WEB_CODE_PATH).'admin/resume_session.php?id_session=';
  3491. $htmlResult = null;
  3492. if (!empty($result)) {
  3493. foreach ($result as $courseCode => $data) {
  3494. $url = api_get_course_url($courseCode);
  3495. $htmlResult .= sprintf(get_lang('CoachesSubscribedAsATeacherInCourseX'), Display::url($courseCode, $url, array('target' => '_blank')));
  3496. foreach ($data as $sessionId => $coachList) {
  3497. $sessionInfo = self::fetch($sessionId);
  3498. $htmlResult .= '<br />';
  3499. $htmlResult .= Display::url(
  3500. get_lang('Session').': '.$sessionInfo['name'].' <br />',
  3501. $sessionUrl.$sessionId,
  3502. array('target' => '_blank')
  3503. );
  3504. $teacherList = array();
  3505. foreach ($coachList as $coachId) {
  3506. $userInfo = api_get_user_info($coachId);
  3507. $teacherList[] = $userInfo['complete_name'];
  3508. }
  3509. if (!empty($teacherList)) {
  3510. $htmlResult .= implode(', ', $teacherList);
  3511. } else {
  3512. $htmlResult .= get_lang('NothingToAdd');
  3513. }
  3514. }
  3515. $htmlResult .= '<br />';
  3516. }
  3517. $htmlResult = Display::return_message($htmlResult, 'normal', false);
  3518. }
  3519. return $htmlResult;
  3520. }
  3521. /**
  3522. * @param string $keyword
  3523. * @param string $active
  3524. * @param string $lastConnectionDate
  3525. * @param array $sessionIdList
  3526. * @param array $studentIdList
  3527. * @param int $userStatus STUDENT|COURSEMANAGER constants
  3528. * @return array|int
  3529. */
  3530. public static function getCountUserTracking(
  3531. $keyword = null,
  3532. $active = null,
  3533. $lastConnectionDate = null,
  3534. $sessionIdList = array(),
  3535. $studentIdList = array(),
  3536. $filterUserStatus = null
  3537. ) {
  3538. $userId = api_get_user_id();
  3539. $drhLoaded = false;
  3540. if (api_is_drh()) {
  3541. if (api_drh_can_access_all_session_content()) {
  3542. $count = self::getAllUsersFromCoursesFromAllSessionFromStatus(
  3543. 'drh_all',
  3544. $userId,
  3545. true,
  3546. null,
  3547. null,
  3548. null,
  3549. null,
  3550. $keyword,
  3551. $active,
  3552. $lastConnectionDate,
  3553. $sessionIdList,
  3554. $studentIdList,
  3555. $filterUserStatus
  3556. );
  3557. $drhLoaded = true;
  3558. }
  3559. }
  3560. if ($drhLoaded == false) {
  3561. $count = UserManager::getUsersFollowedByUser(
  3562. $userId,
  3563. $filterUserStatus,
  3564. false,
  3565. false,
  3566. true,
  3567. null,
  3568. null,
  3569. null,
  3570. null,
  3571. $active,
  3572. $lastConnectionDate,
  3573. COURSEMANAGER
  3574. );
  3575. }
  3576. return $count;
  3577. }
  3578. /**
  3579. * Get teachers followed by a user
  3580. * @param int $userId
  3581. * @param int $active
  3582. * @param string $lastConnectionDate
  3583. * @param bool $getCount
  3584. * @param array $sessionIdList
  3585. * @return array|int
  3586. */
  3587. public static function getTeacherTracking(
  3588. $userId,
  3589. $active = 1,
  3590. $lastConnectionDate = null,
  3591. $getCount = false,
  3592. $sessionIdList = array()
  3593. ) {
  3594. $teacherResult = array();
  3595. if (api_is_drh() || api_is_platform_admin()) {
  3596. // Followed teachers by drh
  3597. if (api_drh_can_access_all_session_content()) {
  3598. if (empty($sessionIdList)) {
  3599. $sessions = SessionManager::get_sessions_followed_by_drh($userId);
  3600. $sessionIdList = array();
  3601. foreach ($sessions as $session) {
  3602. $sessionIdList[] = $session['id'];
  3603. }
  3604. }
  3605. $sessionIdList = array_map('intval', $sessionIdList);
  3606. $sessionToString = implode("', '", $sessionIdList);
  3607. $course = Database::get_main_table(TABLE_MAIN_COURSE);
  3608. $sessionCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  3609. $courseUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  3610. // Select the teachers.
  3611. $sql = "SELECT DISTINCT(cu.user_id) FROM $course c
  3612. INNER JOIN $sessionCourse src ON c.code = src.course_code
  3613. INNER JOIN $courseUser cu ON (cu.course_code = c.code)
  3614. WHERE src.id_session IN ('$sessionToString') AND cu.status = 1";
  3615. $result = Database::query($sql);
  3616. $teacherListId = array();
  3617. while($row = Database::fetch_array($result, 'ASSOC')) {
  3618. $teacherListId[$row['user_id']] = $row['user_id'];
  3619. }
  3620. } else {
  3621. $teacherResult = UserManager::get_users_followed_by_drh($userId, COURSEMANAGER);
  3622. $teacherListId = array();
  3623. foreach ($teacherResult as $userInfo) {
  3624. $teacherListId[] = $userInfo['user_id'];
  3625. }
  3626. }
  3627. }
  3628. if (!empty($teacherListId)) {
  3629. $tableUser = Database::get_main_table(TABLE_MAIN_USER);
  3630. $select = "SELECT DISTINCT u.* ";
  3631. if ($getCount) {
  3632. $select = "SELECT count(DISTINCT(u.user_id)) as count";
  3633. }
  3634. $sql = "$select FROM $tableUser u";
  3635. if (!empty($lastConnectionDate)) {
  3636. $tableLogin = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
  3637. //$sql .= " INNER JOIN $tableLogin l ON (l.login_user_id = u.user_id) ";
  3638. }
  3639. $active = intval($active);
  3640. $teacherListId = implode("','", $teacherListId);
  3641. $where = " WHERE u.active = $active AND u.user_id IN ('$teacherListId') ";
  3642. if (!empty($lastConnectionDate)) {
  3643. $lastConnectionDate = Database::escape_string($lastConnectionDate);
  3644. //$where .= " AND l.login_date <= '$lastConnectionDate' ";
  3645. }
  3646. $sql .= $where;
  3647. $result = Database::query($sql);
  3648. if (Database::num_rows($result)) {
  3649. if ($getCount) {
  3650. $row = Database::fetch_array($result);
  3651. return $row['count'];
  3652. } else {
  3653. return Database::store_result($result, 'ASSOC');
  3654. }
  3655. }
  3656. }
  3657. return 0;
  3658. }
  3659. /**
  3660. * Get the list of course tools that have to be dealt with in case of
  3661. * registering any course to a session
  3662. * @return array The list of tools to be dealt with (literal names)
  3663. */
  3664. public static function getCourseToolToBeManaged()
  3665. {
  3666. return array(
  3667. 'courseDescription',
  3668. 'courseIntroduction'
  3669. );
  3670. }
  3671. /**
  3672. * Calls the methods bound to each tool when a course is registered into a session
  3673. * @param int $sessionId
  3674. * @param int $courseId
  3675. * @return void
  3676. */
  3677. public static function installCourse($sessionId, $courseId)
  3678. {
  3679. return true;
  3680. $toolList = self::getCourseToolToBeManaged();
  3681. foreach($toolList as $tool) {
  3682. $method = 'add'.$tool;
  3683. if (method_exists(get_class(), $method)) {
  3684. self::$method($sessionId, $courseId);
  3685. }
  3686. }
  3687. }
  3688. /**
  3689. * Calls the methods bound to each tool when a course is unregistered from
  3690. * a session
  3691. * @param int $sessionId
  3692. * @param int $courseId
  3693. */
  3694. public static function unInstallCourse($sessionId, $courseId)
  3695. {
  3696. return true;
  3697. $toolList = self::getCourseToolToBeManaged();
  3698. foreach($toolList as $tool) {
  3699. $method = 'remove'.$tool;
  3700. if (method_exists(get_class(), $method)) {
  3701. self::$method($sessionId, $courseId);
  3702. }
  3703. }
  3704. }
  3705. /**
  3706. * @param int $sessionId
  3707. * @param int $courseId
  3708. */
  3709. public static function addCourseIntroduction($sessionId, $courseId)
  3710. {
  3711. // @todo create a tool intro lib
  3712. $sessionId = intval($sessionId);
  3713. $courseId = intval($courseId);
  3714. $TBL_INTRODUCTION = Database::get_course_table(TABLE_TOOL_INTRO);
  3715. $sql = "SELECT * FROM $TBL_INTRODUCTION WHERE c_id = $courseId";
  3716. $result = Database::query($sql);
  3717. $result = Database::store_result($result, 'ASSOC');
  3718. if (!empty($result)) {
  3719. foreach ($result as $result) {
  3720. // @todo check if relation exits.
  3721. $result['session_id'] = $sessionId;
  3722. Database::insert($TBL_INTRODUCTION, $result);
  3723. }
  3724. }
  3725. }
  3726. /**
  3727. * @param int $sessionId
  3728. * @param int $courseId
  3729. */
  3730. public static function removeCourseIntroduction($sessionId, $courseId)
  3731. {
  3732. $sessionId = intval($sessionId);
  3733. $courseId = intval($courseId);
  3734. $TBL_INTRODUCTION = Database::get_course_table(TABLE_TOOL_INTRO);
  3735. $sql = "DELETE FROM $TBL_INTRODUCTION WHERE c_id = $courseId AND session_id = $sessionId";
  3736. Database::query($sql);
  3737. }
  3738. /**
  3739. * @param int $sessionId
  3740. * @param int $courseId
  3741. */
  3742. public static function addCourseDescription($sessionId, $courseId)
  3743. {
  3744. /*$description = new CourseDescription();
  3745. $descriptions = $description->get_descriptions($courseId);
  3746. foreach ($descriptions as $description) {
  3747. }*/
  3748. }
  3749. /**
  3750. * @param int $sessionId
  3751. * @param int $courseId
  3752. */
  3753. public static function removeCourseDescription($sessionId, $courseId)
  3754. {
  3755. }
  3756. /**
  3757. * @param array $list format see self::importSessionDrhCSV()
  3758. * @param bool $sendEmail
  3759. * @param bool $removeOldRelationShips
  3760. * @return string
  3761. */
  3762. public static function subscribeDrhToSessionList($userSessionList, $sendEmail, $removeOldRelationShips)
  3763. {
  3764. if (!empty($userSessionList)) {
  3765. foreach ($userSessionList as $userId => $data) {
  3766. $sessionList = array();
  3767. foreach ($data['session_list'] as $sessionInfo) {
  3768. $sessionList[] = $sessionInfo['session_id'];
  3769. }
  3770. $userInfo = $data['user_info'];
  3771. self::suscribe_sessions_to_hr_manager($userInfo, $sessionList, $sendEmail, $removeOldRelationShips);
  3772. }
  3773. }
  3774. }
  3775. /**
  3776. * @param array $userSessionList format see self::importSessionDrhCSV()
  3777. */
  3778. public static function checkSubscribeDrhToSessionList($userSessionList)
  3779. {
  3780. $message = null;
  3781. if (!empty($userSessionList)) {
  3782. if (!empty($userSessionList)) {
  3783. foreach ($userSessionList as $userId => $data) {
  3784. $userInfo = $data['user_info'];
  3785. $sessionListSubscribed = self::get_sessions_followed_by_drh($userId);
  3786. if (!empty($sessionListSubscribed)) {
  3787. $sessionListSubscribed = array_keys($sessionListSubscribed);
  3788. }
  3789. $sessionList = array();
  3790. if (!empty($data['session_list'])) {
  3791. foreach ($data['session_list'] as $sessionInfo) {
  3792. if (in_array($sessionInfo['session_id'], $sessionListSubscribed)) {
  3793. $sessionList[] = $sessionInfo['session_info']['name'];
  3794. }
  3795. }
  3796. }
  3797. $message .= '<strong>'.get_lang('User').'</strong> '.$userInfo['complete_name'].' <br />';
  3798. if (!in_array($userInfo['status'], array(DRH)) && !api_is_platform_admin_by_id($userInfo['user_id'])) {
  3799. $message .= get_lang('UserMustHaveTheDrhRole').'<br />';
  3800. continue;
  3801. }
  3802. if (!empty($sessionList)) {
  3803. $message .= '<strong>'.get_lang('Sessions').':</strong> <br />';
  3804. $message .= implode(', ', $sessionList).'<br /><br />';
  3805. } else {
  3806. $message .= get_lang('NoSessions').' <br /><br />';
  3807. }
  3808. }
  3809. }
  3810. }
  3811. return $message;
  3812. }
  3813. /**
  3814. * @param string $file
  3815. * @param bool $sendEmail
  3816. * @param bool $removeOldRelationShips
  3817. */
  3818. public static function importSessionDrhCSV($file, $sendEmail, $removeOldRelationShips)
  3819. {
  3820. $list = Import::csv_reader($file);
  3821. if (!empty($list)) {
  3822. $userSessionList = array();
  3823. foreach ($list as $data) {
  3824. $userInfo = api_get_user_info_from_username($data['Username']);
  3825. $sessionInfo = self::get_session_by_name($data['SessionName']);
  3826. if (!empty($userInfo) && !empty($sessionInfo)) {
  3827. $userSessionList[$userInfo['user_id']]['session_list'][] = array(
  3828. 'session_id' => $sessionInfo['id'],
  3829. 'session_info' => $sessionInfo
  3830. );
  3831. $userSessionList[$userInfo['user_id']]['user_info'] = $userInfo;
  3832. }
  3833. }
  3834. self::subscribeDrhToSessionList($userSessionList, $sendEmail, $removeOldRelationShips);
  3835. return self::checkSubscribeDrhToSessionList($userSessionList);
  3836. }
  3837. }
  3838. }