sessionmanager.lib.php 182 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * Class SessionManager
  5. *
  6. * This is the session library for Chamilo.
  7. * All main sessions functions should be placed here.
  8. * This class provides methods for sessions management.
  9. * Include/require it in your code to use its features.
  10. *
  11. * @package chamilo.library
  12. *
  13. */
  14. class SessionManager
  15. {
  16. public static $_debug = false;
  17. public function __construct()
  18. {
  19. }
  20. /**
  21. * Fetches a session from the database
  22. * @param int Session ID
  23. * @return array Session details
  24. */
  25. public static function fetch($id)
  26. {
  27. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  28. if ($id != strval(intval($id))) {
  29. return array();
  30. }
  31. $s = "SELECT * FROM $t WHERE id = $id";
  32. $r = Database::query($s);
  33. if (Database::num_rows($r) != 1) {
  34. return array();
  35. }
  36. return Database::fetch_array($r, 'ASSOC');
  37. }
  38. /**
  39. * Create a session
  40. * @author Carlos Vargas <carlos.vargas@beeznest.com>, from existing code
  41. * @param string name
  42. * @param integer Start year (yyyy)
  43. * @param integer Start month (mm)
  44. * @param integer Start day (dd)
  45. * @param integer End year (yyyy)
  46. * @param integer End month (mm)
  47. * @param integer End day (dd)
  48. * @param integer Number of days that the coach can access the session before the start date
  49. * @param integer Number of days that the coach can access the session after the end date
  50. * @param integer If 1, means there are no date limits
  51. * @param mixed If integer, this is the session coach id, if string, the coach ID will be looked for from the user table
  52. * @param integer ID of the session category in which this session is registered
  53. * @param integer Visibility after end date (0 = read-only, 1 = invisible, 2 = accessible)
  54. * @param string Start limit = true if the start date has to be considered
  55. * @param string End limit = true if the end date has to be considered
  56. * @param string $fix_name
  57. * @todo use an array to replace all this parameters or use the model.lib.php ...
  58. * @return mixed Session ID on success, error message otherwise
  59. * */
  60. public static function create_session(
  61. $sname,
  62. $syear_start,
  63. $smonth_start,
  64. $sday_start,
  65. $syear_end,
  66. $smonth_end,
  67. $sday_end,
  68. $snb_days_acess_before,
  69. $snb_days_acess_after,
  70. $nolimit,
  71. $coach_username,
  72. $id_session_category,
  73. $id_visibility,
  74. $start_limit = true,
  75. $end_limit = true,
  76. $fix_name = false
  77. ) {
  78. global $_configuration;
  79. //Check portal limits
  80. $access_url_id = 1;
  81. if (api_get_multiple_access_url()) {
  82. $access_url_id = api_get_current_access_url_id();
  83. }
  84. if (is_array($_configuration[$access_url_id]) && isset($_configuration[$access_url_id]['hosting_limit_sessions']) && $_configuration[$access_url_id]['hosting_limit_sessions'] > 0) {
  85. $num = self::count_sessions();
  86. if ($num >= $_configuration[$access_url_id]['hosting_limit_sessions']) {
  87. return get_lang('PortalSessionsLimitReached');
  88. }
  89. }
  90. $name = Database::escape_string(trim($sname));
  91. $year_start = intval($syear_start);
  92. $month_start = intval($smonth_start);
  93. $day_start = intval($sday_start);
  94. $year_end = intval($syear_end);
  95. $month_end = intval($smonth_end);
  96. $day_end = intval($sday_end);
  97. $nb_days_acess_before = intval($snb_days_acess_before);
  98. $nb_days_acess_after = intval($snb_days_acess_after);
  99. $id_session_category = intval($id_session_category);
  100. $id_visibility = intval($id_visibility);
  101. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  102. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  103. if (is_int($coach_username)) {
  104. $id_coach = $coach_username;
  105. } else {
  106. $sql = 'SELECT user_id FROM ' . $tbl_user . ' WHERE username="' . Database::escape_string($coach_username) . '"';
  107. $rs = Database::query($sql);
  108. $id_coach = Database::result($rs, 0, 'user_id');
  109. }
  110. if (empty($nolimit)) {
  111. $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
  112. $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
  113. } else {
  114. $id_visibility = 1; // by default session visibility is read only
  115. $date_start = "0000-00-00";
  116. $date_end = "0000-00-00";
  117. }
  118. if (empty($end_limit)) {
  119. $date_end = "0000-00-00";
  120. $id_visibility = 1; // by default session visibility is read only
  121. }
  122. if (empty($start_limit)) {
  123. $date_start = "0000-00-00";
  124. }
  125. if (empty($name)) {
  126. $msg = get_lang('SessionNameIsRequired');
  127. return $msg;
  128. } elseif (empty($coach_username)) {
  129. $msg = get_lang('CoachIsRequired');
  130. return $msg;
  131. } elseif (!empty($start_limit) && empty($nolimit) && (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start))) {
  132. $msg = get_lang('InvalidStartDate');
  133. return $msg;
  134. } elseif (!empty($end_limit) && empty($nolimit) && (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end))) {
  135. $msg = get_lang('InvalidEndDate');
  136. return $msg;
  137. } elseif (!empty($start_limit) && !empty($end_limit) && empty($nolimit) && $date_start >= $date_end) {
  138. $msg = get_lang('StartDateShouldBeBeforeEndDate');
  139. return $msg;
  140. } else {
  141. $ready_to_create = false;
  142. if ($fix_name) {
  143. $name = self::generate_nice_next_session_name($name);
  144. if ($name) {
  145. $ready_to_create = true;
  146. } else {
  147. $msg = get_lang('SessionNameAlreadyExists');
  148. return $msg;
  149. }
  150. } else {
  151. $rs = Database::query("SELECT 1 FROM $tbl_session WHERE name='" . $name . "'");
  152. if (Database::num_rows($rs)) {
  153. $msg = get_lang('SessionNameAlreadyExists');
  154. return $msg;
  155. }
  156. $ready_to_create = true;
  157. }
  158. if ($ready_to_create) {
  159. $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)
  160. VALUES('" . $name . "','$date_start','$date_end','$id_coach'," . api_get_user_id() . "," . $nb_days_acess_before . ", " . $nb_days_acess_after . ", " . $id_session_category . ", " . $id_visibility . ")";
  161. Database::query($sql_insert);
  162. $session_id = Database::insert_id();
  163. if (!empty($session_id)) {
  164. /*
  165. Sends a message to the user_id = 1
  166. $user_info = api_get_user_info(1);
  167. $complete_name = $user_info['firstname'].' '.$user_info['lastname'];
  168. $subject = api_get_setting('siteName').' - '.get_lang('ANewSessionWasCreated');
  169. $message = get_lang('ANewSessionWasCreated')." <br /> ".get_lang('NameOfTheSession').' : '.$name;
  170. api_mail_html($complete_name, $user_info['email'], $subject, $message);
  171. *
  172. */
  173. //Adding to the correct URL
  174. $access_url_id = api_get_current_access_url_id();
  175. UrlManager::add_session_to_url($session_id, $access_url_id);
  176. // add event to system log
  177. $user_id = api_get_user_id();
  178. event_system(LOG_SESSION_CREATE, LOG_SESSION_ID, $session_id, api_get_utc_datetime(), $user_id);
  179. }
  180. return $session_id;
  181. }
  182. }
  183. }
  184. /**
  185. * @param string $name
  186. * @return bool
  187. */
  188. public static function session_name_exists($name)
  189. {
  190. $name = Database::escape_string($name);
  191. $sql = "SELECT COUNT(*) as count FROM " . Database::get_main_table(TABLE_MAIN_SESSION) . "
  192. WHERE name = '$name'";
  193. $result = Database::fetch_array(Database::query($sql));
  194. return $result['count'] > 0;
  195. }
  196. /**
  197. * @param string $where_condition
  198. * @return mixed
  199. */
  200. public static function get_count_admin($where_condition = null)
  201. {
  202. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  203. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  204. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  205. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  206. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  207. $where = 'WHERE 1=1 ';
  208. $user_id = api_get_user_id();
  209. $extraJoin = null;
  210. if (api_is_session_admin() &&
  211. api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false'
  212. ) {
  213. $where .= " AND (
  214. s.session_admin_id = $user_id OR
  215. sru.id_user = '$user_id' AND
  216. sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "'
  217. )
  218. ";
  219. $extraJoin = " INNER JOIN $tbl_session_rel_user sru
  220. ON sru.id_session = s.id ";
  221. }
  222. $today = api_get_utc_datetime();
  223. $today = api_strtotime($today, 'UTC');
  224. $today = date('Y-m-d', $today);
  225. if (!empty($where_condition)) {
  226. $where_condition = str_replace("( session_active = ':' )", '1=1', $where_condition);
  227. $where_condition = str_replace('category_name', 'sc.name', $where_condition);
  228. $where_condition = str_replace(
  229. array("AND session_active = '1' )", " AND ( session_active = '1' )"),
  230. array(') GROUP BY s.name HAVING session_active = 1 ', " GROUP BY s.name HAVING session_active = 1 " )
  231. , $where_condition
  232. );
  233. $where_condition = str_replace(
  234. array("AND session_active = '0' )", " AND ( session_active = '0' )"),
  235. array(') GROUP BY s.name HAVING session_active = 0 ', " GROUP BY s.name HAVING session_active = '0' "),
  236. $where_condition
  237. );
  238. } else {
  239. $where_condition = " AND 1 = 1";
  240. }
  241. $courseCondition = null;
  242. if (strpos($where_condition, 'c.id')) {
  243. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  244. $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
  245. $courseCondition = " INNER JOIN $table course_rel_session ON (s.id = course_rel_session.id_session)
  246. INNER JOIN $tableCourse c ON (course_rel_session.course_code = c.code)
  247. ";
  248. }
  249. $sql = "SELECT COUNT(id) as total_rows FROM (
  250. SELECT DISTINCT
  251. IF (
  252. (s.date_start <= '$today' AND '$today' <= s.date_end) OR
  253. (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start, '$today') <= s.nb_days_access_before_beginning) OR
  254. (s.nb_days_access_after_end > 0 AND DATEDIFF('$today',s.date_end) <= s.nb_days_access_after_end) OR
  255. (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
  256. (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
  257. ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
  258. , 1, 0) as session_active,
  259. s.id
  260. FROM $tbl_session s
  261. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  262. INNER JOIN $tbl_user u ON s.id_coach = u.user_id
  263. $courseCondition
  264. $extraJoin
  265. $where $where_condition ) as session_table";
  266. if (api_is_multiple_url_enabled()) {
  267. $access_url_id = api_get_current_access_url_id();
  268. if ($access_url_id != -1) {
  269. $where.= " AND ar.access_url_id = $access_url_id ";
  270. $sql = "SELECT count(id) as total_rows FROM (
  271. SELECT DISTINCT
  272. IF (
  273. (s.date_start <= '$today' AND '$today' <= s.date_end) OR
  274. (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start, '$today') <= s.nb_days_access_before_beginning) OR
  275. (s.nb_days_access_after_end > 0 AND DATEDIFF('$today',s.date_end) <= s.nb_days_access_after_end) OR
  276. (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
  277. (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
  278. ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
  279. , 1, 0)
  280. as session_active,
  281. s.id
  282. FROM $tbl_session s
  283. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  284. INNER JOIN $tbl_user u ON s.id_coach = u.user_id
  285. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  286. $courseCondition
  287. $extraJoin
  288. $where $where_condition) as session_table";
  289. }
  290. }
  291. $result_rows = Database::query($sql);
  292. $row = Database::fetch_array($result_rows);
  293. $num = $row['total_rows'];
  294. return $num;
  295. }
  296. /**
  297. * Gets the admin session list callback of the admin/session_list.php page
  298. * @param array $options order and limit keys
  299. * @return array
  300. */
  301. public static function get_sessions_admin($options)
  302. {
  303. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  304. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  305. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  306. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  307. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  308. $where = ' WHERE 1=1 ';
  309. $user_id = api_get_user_id();
  310. $extraJoin = null;
  311. if (api_is_session_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false') {
  312. $where .= " AND (
  313. s.session_admin_id = $user_id OR
  314. sru.id_user = '$user_id' AND
  315. sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "'
  316. )
  317. ";
  318. $extraJoin = " INNER JOIN $tbl_session_rel_user sru
  319. ON sru.id_session = s.id ";
  320. }
  321. if (api_is_allowed_to_edit() && !api_is_platform_admin()) {
  322. $where.=" AND s.id_coach = $user_id ";
  323. }
  324. $coach_name = " CONCAT(u.lastname , ' ', u.firstname) as coach_name ";
  325. if (api_is_western_name_order()) {
  326. $coach_name = " CONCAT(u.firstname, ' ', u.lastname) as coach_name ";
  327. }
  328. $options['where'] = str_replace(
  329. array("AND session_active = '1' )", " AND ( session_active = '1' )"), array(') GROUP BY s.name HAVING session_active = 1 ', " GROUP BY s.name HAVING session_active = 1 ")
  330. , $options['where']
  331. );
  332. $options['where'] = str_replace("( session_active = ':' )", '1=1', $options['where']);
  333. $options['where'] = str_replace(
  334. array("AND session_active = '0' )", " AND ( session_active = '0' )"),
  335. array(') GROUP BY s.name HAVING session_active = 0 ', " GROUP BY s.name HAVING session_active = '0' "),
  336. $options['where']
  337. );
  338. $today = api_get_utc_datetime();
  339. $today = api_strtotime($today, 'UTC');
  340. $today = date('Y-m-d', $today);
  341. $courseCondition = null;
  342. if (strpos($options['where'], 'c.id')) {
  343. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  344. $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
  345. $courseCondition = " INNER JOIN $table course_rel_session ON (s.id = course_rel_session.id_session)
  346. INNER JOIN $tableCourse c ON (course_rel_session.course_code = c.code)
  347. ";
  348. }
  349. $select = "SELECT * FROM (SELECT
  350. IF (
  351. (s.date_start <= '$today' AND '$today' <= s.date_end) OR
  352. (s.nb_days_access_before_beginning > 0 AND DATEDIFF(s.date_start,'" . $today . "' " . ") <= s.nb_days_access_before_beginning) OR
  353. (s.nb_days_access_after_end > 0 AND DATEDIFF('" . $today . "',s.date_end) <= s.nb_days_access_after_end) OR
  354. (s.date_start = '0000-00-00' AND s.date_end = '0000-00-00' ) OR
  355. (s.date_start <= '$today' AND '0000-00-00' = s.date_end) OR
  356. ('$today' <= s.date_end AND '0000-00-00' = s.date_start)
  357. , 1, 0)
  358. as session_active,
  359. s.name,
  360. nbr_courses,
  361. s.nbr_users,
  362. s.date_start,
  363. s.date_end,
  364. $coach_name,
  365. sc.name as category_name,
  366. s.visibility,
  367. u.user_id,
  368. s.id";
  369. $limit = null;
  370. if (!empty($options['limit'])) {
  371. $limit = " LIMIT " . $options['limit'];
  372. }
  373. if (!empty($options['where'])) {
  374. $where .= ' '.$options['where'];
  375. }
  376. $order = null;
  377. if (!empty($options['order'])) {
  378. $order = " ORDER BY " . $options['order'];
  379. }
  380. $query = "$select FROM $tbl_session s
  381. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  382. LEFT JOIN $tbl_user u ON s.id_coach = u.user_id
  383. $courseCondition
  384. $extraJoin
  385. $where $order $limit";
  386. if (api_is_multiple_url_enabled()) {
  387. $access_url_id = api_get_current_access_url_id();
  388. if ($access_url_id != -1) {
  389. $query = " $select
  390. FROM $tbl_session s
  391. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  392. LEFT JOIN $tbl_user u ON s.id_coach = u.user_id
  393. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id AND ar.access_url_id = $access_url_id
  394. $courseCondition
  395. $extraJoin
  396. $where $order $limit";
  397. }
  398. }
  399. $query .= ") AS session_table";
  400. $result = Database::query($query);
  401. $formatted_sessions = array();
  402. if (Database::num_rows($result)) {
  403. $sessions = Database::store_result($result);
  404. foreach ($sessions as $session) {
  405. $session['name'] = Display::url($session['name'], "resume_session.php?id_session=" . $session['id']);
  406. $session['coach_name'] = Display::url($session['coach_name'], "user_information.php?user_id=" . $session['user_id']);
  407. if ($session['date_start'] == '0000-00-00' && $session['date_end'] == '0000-00-00') {
  408. // $session['session_active'] = 1;
  409. }
  410. if ($session['session_active'] == 1) {
  411. $session['session_active'] = Display::return_icon('accept.png', get_lang('Active'), array(), ICON_SIZE_SMALL);
  412. } else {
  413. $session['session_active'] = Display::return_icon('error.png', get_lang('Inactive'), array(), ICON_SIZE_SMALL);
  414. }
  415. if ($session['date_start'] == '0000-00-00') {
  416. $session['date_start'] = '';
  417. }
  418. if ($session['date_end'] == '0000-00-00') {
  419. $session['date_end'] = '';
  420. }
  421. switch ($session['visibility']) {
  422. case SESSION_VISIBLE_READ_ONLY: //1
  423. $session['visibility'] = get_lang('ReadOnly');
  424. break;
  425. case SESSION_VISIBLE: //2
  426. $session['visibility'] = get_lang('Visible');
  427. break;
  428. case SESSION_INVISIBLE: //3
  429. $session['visibility'] = api_ucfirst(get_lang('Invisible'));
  430. break;
  431. }
  432. $formatted_sessions[] = $session;
  433. }
  434. }
  435. return $formatted_sessions;
  436. }
  437. /**
  438. * Get total of records for progress of learning paths in the given session
  439. * @param int session id
  440. * @return int
  441. */
  442. public static function get_count_session_lp_progress($sessionId = 0)
  443. {
  444. $tbl_lp = Database::get_course_table(TABLE_LP_MAIN);
  445. $tbl_lp_view = Database::get_course_table(TABLE_LP_VIEW);
  446. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  447. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  448. $sql = "select count(*) as total_rows
  449. FROM $tbl_lp_view v
  450. INNER JOIN $tbl_lp l ON l.id = v.lp_id
  451. INNER JOIN $tbl_user u ON u.user_id = v.user_id
  452. INNER JOIN $tbl_course c";
  453. $sql .= ' WHERE v.session_id = ' . $sessionId;
  454. $result_rows = Database::query($sql);
  455. $row = Database::fetch_array($result_rows);
  456. $num = $row['total_rows'];
  457. return $num;
  458. }
  459. /**
  460. * Gets the progress of learning paths in the given session
  461. * @param int session id
  462. * @param array options order and limit keys
  463. * @return array table with user name, lp name, progress
  464. */
  465. public static function get_session_lp_progress($sessionId = 0, $courseId = 0, $date_from, $date_to, $options)
  466. {
  467. //escaping vars
  468. $sessionId = $sessionId == 'T' ? 'T' : intval($sessionId);
  469. $courseId = intval($courseId);
  470. $date_from = Database :: escape_string($date_from);
  471. $date_to = Database :: escape_string($date_to);
  472. //tables
  473. $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  474. $user = Database::get_main_table(TABLE_MAIN_USER);
  475. $tbl_course_lp_view = Database::get_course_table(TABLE_LP_VIEW);
  476. $course = api_get_course_info_by_id($courseId);
  477. //getting all the students of the course
  478. //we are not using this because it only returns user ids
  479. /* if (empty($sessionId)
  480. {
  481. // Registered students in a course outside session.
  482. $users = CourseManager :: get_student_list_from_course_code($course_code);
  483. } else {
  484. // Registered students in session.
  485. $users = CourseManager :: get_student_list_from_course_code($course_code, true, $sessionId);
  486. } */
  487. $sessionCond = 'and id_session = %s';
  488. if ($sessionId == 'T') {
  489. $sessionCond = "";
  490. }
  491. $where = " WHERE course_code = '%s'
  492. AND s.status <> 2 $sessionCond";
  493. $limit = null;
  494. if (!empty($options['limit'])) {
  495. $limit = " LIMIT " . $options['limit'];
  496. }
  497. if (!empty($options['where'])) {
  498. $where .= ' '.$options['where'];
  499. }
  500. $order = null;
  501. if (!empty($options['order'])) {
  502. $order = " ORDER BY " . $options['order'];
  503. }
  504. $sql = "SELECT u.user_id, u.lastname, u.firstname, u.username, u.email, s.course_code
  505. FROM $session_course_user s
  506. INNER JOIN $user u ON u.user_id = s.id_user
  507. $where $order $limit";
  508. $sql_query = sprintf($sql, Database::escape_string($course['code']), $sessionId);
  509. $rs = Database::query($sql_query);
  510. while ($user = Database::fetch_array($rs)) {
  511. $users[$user['user_id']] = $user;
  512. }
  513. //Get lessons
  514. require_once api_get_path(SYS_CODE_PATH) . 'newscorm/learnpathList.class.php';
  515. $lessons = LearnpathList::get_course_lessons($course['code'], $sessionId);
  516. $table = array();
  517. foreach ($users as $user) {
  518. $data = array(
  519. 'lastname' => $user[1],
  520. 'firstname' => $user[2],
  521. 'username' => $user[3],
  522. );
  523. $sessionCond = 'AND v.session_id = %d';
  524. if ($sessionId == 'T') {
  525. $sessionCond = "";
  526. }
  527. //Get lessons progress by user
  528. $sql = "SELECT v.lp_id as id, v.progress
  529. FROM $tbl_course_lp_view v
  530. WHERE v.c_id = %d
  531. AND v.user_id = %d
  532. $sessionCond";
  533. $sql_query = sprintf($sql,
  534. intval($courseId),
  535. Database::escape_string($user['user_id']),
  536. $sessionId
  537. );
  538. $result = Database::query($sql_query);
  539. $user_lessons = array();
  540. while ($row = Database::fetch_array($result)) {
  541. $user_lessons[$row['id']] = $row;
  542. }
  543. //Match course lessons with user progress
  544. $progress = 0;
  545. $count = 0;
  546. foreach ($lessons as $lesson) {
  547. $data[$lesson['id']] = (!empty($user_lessons[$lesson['id']]['progress'])) ? $user_lessons[$lesson['id']]['progress'] : 0;
  548. $progress += $data[$lesson['id']];
  549. $data[$lesson['id']] = $data[$lesson['id']] . '%';
  550. $count++;
  551. }
  552. if ($count == 0) {
  553. $data['total'] = 0;
  554. } else {
  555. $data['total'] = round($progress / $count, 2) . '%';
  556. }
  557. $table[] = $data;
  558. }
  559. return $table;
  560. }
  561. /**
  562. * Gets the survey answers
  563. * @param int session id
  564. * @param int course id
  565. * @param int survey id
  566. * @param array options order and limit keys
  567. * @todo fix the query
  568. * @return array table with user name, lp name, progress
  569. */
  570. public static function get_survey_overview($sessionId = 0, $courseId = 0, $surveyId = 0, $date_from, $date_to, $options)
  571. {
  572. //escaping vars
  573. $sessionId = intval($sessionId);
  574. $courseId = intval($courseId);
  575. $surveyId = intval($surveyId);
  576. $date_from = Database::escape_string($date_from);
  577. $date_to = Database::escape_string($date_to);
  578. //tables
  579. $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  580. $user = Database::get_main_table(TABLE_MAIN_USER);
  581. $tbl_course_lp_view = Database::get_course_table(TABLE_LP_VIEW);
  582. $c_survey = Database::get_course_table(TABLE_SURVEY);
  583. $c_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
  584. $c_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
  585. $c_survey_question_option = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
  586. $course = api_get_course_info_by_id($courseId);
  587. $where = " WHERE course_code = '%s' AND s.status <> 2 AND id_session = %s";
  588. $limit = null;
  589. if (!empty($options['limit'])) {
  590. $limit = " LIMIT " . $options['limit'];
  591. }
  592. if (!empty($options['where'])) {
  593. $where .= ' '.$options['where'];
  594. }
  595. $order = null;
  596. if (!empty($options['order'])) {
  597. $order = " ORDER BY " . $options['order'];
  598. }
  599. /* $where_survey = '';
  600. if (!empty($date_to) && !empty($date_from)) {
  601. $where_survey = sprintf(" AND s.avail_from >= '%s'
  602. AND s.avail_till <= '%s'", $date_from, $date_to);
  603. } */
  604. $sql = "SELECT u.user_id, u.lastname, u.firstname, u.username, u.email, s.course_code
  605. FROM $session_course_user s
  606. INNER JOIN $user u ON u.user_id = s.id_user
  607. $where $order $limit";
  608. $sql_query = sprintf($sql, Database::escape_string($course['code']), $sessionId);
  609. $rs = Database::query($sql_query);
  610. while ($user = Database::fetch_array($rs)) {
  611. $users[$user['user_id']] = $user;
  612. }
  613. //Get survey questions
  614. $questions = survey_manager::get_questions($surveyId, $courseId);
  615. //Survey is anonymous?
  616. $result = Database::query(sprintf("SELECT anonymous FROM $c_survey WHERE survey_id = %d", $surveyId));
  617. $row = Database::fetch_array($result);
  618. $anonymous = ($row['anonymous'] == 1) ? true : false;
  619. $table = array();
  620. foreach ($users as $user) {
  621. $data = array(
  622. 'lastname' => ($anonymous ? '***' : $user[1]),
  623. 'firstname' => ($anonymous ? '***' : $user[2]),
  624. 'username' => ($anonymous ? '***' : $user[3]),
  625. );
  626. //Get questions by user
  627. $sql = "SELECT sa.question_id, sa.option_id, sqo.option_text, sq.type
  628. FROM $c_survey_answer sa
  629. INNER JOIN $c_survey_question sq
  630. ON sq.question_id = sa.question_id
  631. LEFT JOIN $c_survey_question_option sqo
  632. ON
  633. sqo.c_id = sa.c_id AND
  634. sqo.question_id = sq.question_id AND
  635. sqo.question_option_id = sa.option_id AND
  636. sqo.survey_id = sq.survey_id
  637. WHERE
  638. sa.survey_id = %d AND
  639. sa.c_id = %d AND
  640. sa.user = %d
  641. "; //. $where_survey;
  642. $sql_query = sprintf($sql, $surveyId, $courseId, $user['user_id']);
  643. $result = Database::query($sql_query);
  644. $user_questions = array();
  645. while ($row = Database::fetch_array($result)) {
  646. $user_questions[$row['question_id']] = $row;
  647. }
  648. //Match course lessons with user progress
  649. foreach ($questions as $question_id => $question) {
  650. $option_text = 'option_text';
  651. if ($user_questions[$question_id]['type'] == 'open') {
  652. $option_text = 'option_id';
  653. }
  654. $data[$question_id] = $user_questions[$question_id][$option_text];
  655. }
  656. $table[] = $data;
  657. }
  658. return $table;
  659. }
  660. /**
  661. * Gets the progress of the given session
  662. * @param int session id
  663. * @param array options order and limit keys
  664. * @return array table with user name, lp name, progress
  665. */
  666. public static function get_session_progress($sessionId, $courseId, $date_from, $date_to, $options)
  667. {
  668. $sessionId = intval($sessionId);
  669. $getAllSessions = false;
  670. if (empty($sessionId)) {
  671. $sessionId = 0;
  672. $getAllSessions = true;
  673. }
  674. //tables
  675. $session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  676. $user = Database::get_main_table(TABLE_MAIN_USER);
  677. $course_rel_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  678. $workTable = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
  679. $workTableAssignment = Database::get_course_table(TABLE_STUDENT_PUBLICATION_ASSIGNMENT);
  680. $forum = Database::get_course_table(TABLE_FORUM);
  681. $forum_post = Database::get_course_table(TABLE_FORUM_POST);
  682. $tbl_course_lp = Database::get_course_table(TABLE_LP_MAIN);
  683. $wiki = Database::get_course_table(TABLE_WIKI);
  684. $table_stats_default = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_DEFAULT);
  685. $table_stats_access = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ACCESS);
  686. $course = api_get_course_info_by_id($courseId);
  687. //getting all the students of the course
  688. //we are not using this because it only returns user ids
  689. /* if (empty($sessionId)
  690. {
  691. // Registered students in a course outside session.
  692. $users = CourseManager :: get_student_list_from_course_code($course_code);
  693. } else {
  694. // Registered students in session.
  695. $users = CourseManager :: get_student_list_from_course_code($course_code, true, $sessionId);
  696. } */
  697. $where = " WHERE course_code = '%s' AND s.status <> 2 ";
  698. $limit = null;
  699. if (!empty($options['limit'])) {
  700. $limit = " LIMIT " . $options['limit'];
  701. }
  702. if (!empty($options['where'])) {
  703. $where .= ' '.$options['where'];
  704. }
  705. $order = null;
  706. if (!empty($options['order'])) {
  707. $order = " ORDER BY " . $options['order'];
  708. }
  709. //TODO, fix create report without session
  710. $queryVariables = array($course['code']);
  711. if (!empty($sessionId)) {
  712. $where .= ' AND id_session = %s';
  713. $queryVariables[] = $sessionId;
  714. $sql = "SELECT
  715. u.user_id, u.lastname, u.firstname, u.username,
  716. u.email, s.course_code, s.id_session
  717. FROM $session_course_user s
  718. INNER JOIN $user u
  719. ON u.user_id = s.id_user
  720. $where $order $limit";
  721. } else {
  722. $sql = "SELECT
  723. u.user_id, u.lastname, u.firstname, u.username,
  724. u.email, s.course_code, s.id_session
  725. FROM $session_course_user s
  726. INNER JOIN $user u ON u.user_id = s.id_user
  727. $where $order $limit";
  728. }
  729. $sql_query = vsprintf($sql, $queryVariables);
  730. $rs = Database::query($sql_query);
  731. while ($user = Database::fetch_array($rs)) {
  732. $users[$user['user_id']] = $user;
  733. }
  734. /**
  735. * Lessons
  736. */
  737. $sql = "SELECT * FROM $tbl_course_lp WHERE c_id = %s "; //AND session_id = %s
  738. $sql_query = sprintf($sql, $course['real_id']);
  739. $result = Database::query($sql_query);
  740. $arrLesson = array(array());
  741. while ($row = Database::fetch_array($result)) {
  742. // if (api_get_item_visibility(api_get_course_info($course['code']), 'learnpath', $row['id'], $row['session_id']))
  743. // {
  744. if (empty($arrLesson[$row['session_id']]['lessons_total'])) {
  745. $arrLesson[$row['session_id']]['lessons_total'] = 1;
  746. } else {
  747. $arrLesson[$row['session_id']]['lessons_total'] ++;
  748. }
  749. // }
  750. }
  751. /**
  752. * Exercises
  753. */
  754. require_once api_get_path(SYS_CODE_PATH) . 'exercice/exercise.lib.php';
  755. $exercises = get_all_exercises($course, $sessionId, false, '', $getAllSessions);
  756. $exercises_total = count($exercises);
  757. /**
  758. * Assignments
  759. */
  760. //total
  761. if ($getAllSessions) {
  762. $sql = "SELECT count(w.id) as count
  763. FROM $workTable w
  764. LEFT JOIN $workTableAssignment a ON (a.publication_id = w.id AND a.c_id = w.c_id)
  765. WHERE w.c_id = %s
  766. AND parent_id = 0
  767. AND active IN (1, 0)";
  768. } else {
  769. $sql = "SELECT count(w.id) as count
  770. FROM $workTable w
  771. LEFT JOIN $workTableAssignment a ON (a.publication_id = w.id AND a.c_id = w.c_id)
  772. WHERE w.c_id = %s
  773. AND parent_id = 0
  774. AND active IN (1, 0)
  775. AND session_id = %s";
  776. }
  777. $sql_query = sprintf($sql, $course['real_id'], $sessionId);
  778. $result = Database::query($sql_query);
  779. $row = Database::fetch_array($result);
  780. $assignments_total = $row['count'];
  781. /**
  782. * Wiki
  783. */
  784. if ($getAllSessions) {
  785. $sql = "SELECT count(distinct page_id) as count FROM $wiki
  786. WHERE c_id = %s";
  787. } else {
  788. $sql = "SELECT count(distinct page_id) as count FROM $wiki
  789. WHERE c_id = %s and session_id = %s";
  790. }
  791. $sql_query = sprintf($sql, $course['real_id'], $sessionId);
  792. $result = Database::query($sql_query);
  793. $row = Database::fetch_array($result);
  794. $wiki_total = $row['count'];
  795. /**
  796. * Surveys
  797. */
  798. $survey_user_list = array();
  799. $survey_list = survey_manager::get_surveys($course['code'], $sessionId);
  800. $surveys_total = count($survey_list);
  801. $survey_data = array();
  802. foreach ($survey_list as $survey) {
  803. $user_list = survey_manager::get_people_who_filled_survey($survey['survey_id'], false, $course['real_id']);
  804. foreach ($user_list as $user_id) {
  805. isset($survey_user_list[$user_id]) ? $survey_user_list[$user_id] ++ : $survey_user_list[$user_id] = 1;
  806. }
  807. }
  808. /**
  809. * Forums
  810. */
  811. //total
  812. if ($getAllSessions) {
  813. $sql = "SELECT count(*) as count
  814. FROM $forum f
  815. where f.c_id = %s";
  816. } else {
  817. $sql = "SELECT count(*) as count
  818. FROM $forum f
  819. where f.c_id = %s and f.session_id = %s";
  820. }
  821. $sql_query = sprintf($sql, $course['real_id'], $sessionId);
  822. $result = Database::query($sql_query);
  823. $row = Database::fetch_array($result);
  824. $forums_total = $row['count'];
  825. //process table info
  826. foreach ($users as $user) {
  827. //Course description
  828. $sql = "SELECT count(*) as count
  829. FROM $table_stats_access
  830. WHERE access_tool = 'course_description'
  831. AND access_cours_code = '%s'
  832. AND access_session_id = %s
  833. AND access_user_id = %s ";
  834. $sql_query = sprintf($sql, $course['code'], $user['id_session'], $user['user_id']);
  835. $result = Database::query($sql_query);
  836. $row = Database::fetch_array($result);
  837. $course_description_progress = ($row['count'] > 0) ? 100 : 0;
  838. if (!empty($arrLesson[$user['id_session']]['lessons_total'])) {
  839. $lessons_total = $arrLesson[$user['id_session']]['lessons_total'];
  840. } else {
  841. $lessons_total = !empty($arrLesson[0]['lessons_total']) ? $arrLesson[0]['lessons_total'] : 0;
  842. }
  843. //Lessons
  844. //TODO: Lessons done and left is calculated by progress per item in lesson, maybe we should calculate it only per completed lesson?
  845. $lessons_progress = Tracking::get_avg_student_progress($user['user_id'], $course['code'], array(), $user['id_session']);
  846. $lessons_done = ($lessons_progress * $lessons_total) / 100;
  847. $lessons_left = $lessons_total - $lessons_done;
  848. //Exercises
  849. $exercises_progress = str_replace('%', '', Tracking::get_exercise_student_progress($exercises, $user['user_id'], $course['code'], $user['id_session']));
  850. $exercises_done = round(($exercises_progress * $exercises_total) / 100);
  851. $exercises_left = $exercises_total - $exercises_done;
  852. //Assignments
  853. $assignments_done = Tracking::count_student_assignments($user['user_id'], $course['code'], $user['id_session']);
  854. $assignments_left = $assignments_total - $assignments_done;
  855. if (!empty($assignments_total)) {
  856. $assignments_progress = round((( $assignments_done * 100 ) / $assignments_total), 2);
  857. } else {
  858. $assignments_progress = 0;
  859. }
  860. //Wiki
  861. //total revisions per user
  862. $sql = "SELECT count(*) as count
  863. FROM $wiki
  864. where c_id = %s and session_id = %s and user_id = %s";
  865. $sql_query = sprintf($sql, $course['real_id'], $user['id_session'], $user['user_id']);
  866. $result = Database::query($sql_query);
  867. $row = Database::fetch_array($result);
  868. $wiki_revisions = $row['count'];
  869. //count visited wiki pages
  870. $sql = "SELECT count(distinct default_value) as count
  871. FROM $table_stats_default
  872. WHERE default_user_id = %s
  873. AND default_cours_code = '%s'
  874. AND default_event_type = 'wiki_page_view'
  875. AND default_value_type = 'wiki_page_id'
  876. AND c_id = %s";
  877. $sql_query = sprintf($sql, $user['user_id'], $course['code'], $course['real_id']);
  878. $result = Database::query($sql_query);
  879. $row = Database::fetch_array($result);
  880. $wiki_read = $row['count'];
  881. $wiki_unread = $wiki_total - $wiki_read;
  882. if (!empty($wiki_total)) {
  883. $wiki_progress = round((( $wiki_read * 100 ) / $wiki_total), 2);
  884. } else {
  885. $wiki_progress = 0;
  886. }
  887. //Surveys
  888. $surveys_done = (isset($survey_user_list[$user['user_id']]) ? $survey_user_list[$user['user_id']] : 0);
  889. $surveys_left = $surveys_total - $surveys_done;
  890. if (!empty($surveys_total)) {
  891. $surveys_progress = round((( $surveys_done * 100 ) / $surveys_total), 2);
  892. } else {
  893. $surveys_progress = 0;
  894. }
  895. //Forums
  896. #$forums_done = Tracking::count_student_messages($user['user_id'], $course_code, $session_id);
  897. $sql = "SELECT count(distinct f.forum_id) as count FROM $forum_post p
  898. INNER JOIN $forum f ON f.forum_id = p.forum_id
  899. WHERE p.poster_id = %s and f.session_id = %s and p.c_id = %s";
  900. $sql_query = sprintf($sql, $user['user_id'], $user['id_session'], $course['real_id']);
  901. $result = Database::query($sql_query);
  902. $row = Database::fetch_array($result);
  903. $forums_done = $row['count'];
  904. $forums_left = $forums_total - $forums_done;
  905. if (!empty($forums_total)) {
  906. $forums_progress = round((( $forums_done * 100 ) / $forums_total), 2);
  907. } else {
  908. $forums_progress = 0;
  909. }
  910. //Overall Total
  911. $overall_total = ($course_description_progress + $exercises_progress + $forums_progress + $assignments_progress + $wiki_progress + $surveys_progress) / 6;
  912. $link = '<a href="' . api_get_path(WEB_CODE_PATH) . 'mySpace/myStudents.php?student=' . $user[0] . '&details=true&course=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
  913. $linkForum = '<a href="' . api_get_path(WEB_CODE_PATH) . 'forum/index.php?cidReq=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
  914. $linkWork = '<a href="' . api_get_path(WEB_CODE_PATH) . 'work/work.php?cidReq=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
  915. $linkWiki = '<a href="' . api_get_path(WEB_CODE_PATH) . 'wiki/index.php?cidReq=' . $course['code'] . '&session_id=' . $user['id_session'] . '&action=statistics"> %s </a>';
  916. $linkSurvey = '<a href="' . api_get_path(WEB_CODE_PATH) . 'survey/survey_list.php?cidReq=' . $course['code'] . '&id_session=' . $user['id_session'] . '"> %s </a>';
  917. $table[] = array(
  918. 'lastname' => $user[1],
  919. 'firstname' => $user[2],
  920. 'username' => $user[3],
  921. #'profile' => '',
  922. 'total' => round($overall_total, 2) . '%',
  923. 'courses' => sprintf($link, $course_description_progress . '%'),
  924. 'lessons' => sprintf($link, $lessons_progress . '%'),
  925. 'exercises' => sprintf($link, $exercises_progress . '%'),
  926. 'forums' => sprintf($link, $forums_progress . '%'),
  927. 'homeworks' => sprintf($link, $assignments_progress . '%'),
  928. 'wikis' => sprintf($link, $wiki_progress . '%'),
  929. 'surveys' => sprintf($link, $surveys_progress . '%'),
  930. //course description
  931. 'course_description_progress' => $course_description_progress . '%',
  932. //lessons
  933. 'lessons_total' => sprintf($link, $lessons_total),
  934. 'lessons_done' => sprintf($link, $lessons_done),
  935. 'lessons_left' => sprintf($link, $lessons_left),
  936. 'lessons_progress' => sprintf($link, $lessons_progress . '%'),
  937. //exercises
  938. 'exercises_total' => sprintf($link, $exercises_total),
  939. 'exercises_done' => sprintf($link, $exercises_done),
  940. 'exercises_left' => sprintf($link, $exercises_left),
  941. 'exercises_progress' => sprintf($link, $exercises_progress . '%'),
  942. //forums
  943. 'forums_total' => sprintf($linkForum, $forums_total),
  944. 'forums_done' => sprintf($linkForum, $forums_done),
  945. 'forums_left' => sprintf($linkForum, $forums_left),
  946. 'forums_progress' => sprintf($linkForum, $forums_progress . '%'),
  947. //assignments
  948. 'assignments_total' => sprintf($linkWork, $assignments_total),
  949. 'assignments_done' => sprintf($linkWork, $assignments_done),
  950. 'assignments_left' => sprintf($linkWork, $assignments_left),
  951. 'assignments_progress' => sprintf($linkWork, $assignments_progress . '%'),
  952. //wiki
  953. 'wiki_total' => sprintf($linkWiki, $wiki_total),
  954. 'wiki_revisions' => sprintf($linkWiki, $wiki_revisions),
  955. 'wiki_read' => sprintf($linkWiki, $wiki_read),
  956. 'wiki_unread' => sprintf($linkWiki, $wiki_unread),
  957. 'wiki_progress' => sprintf($linkWiki, $wiki_progress . '%'),
  958. //survey
  959. 'surveys_total' => sprintf($linkSurvey, $surveys_total),
  960. 'surveys_done' => sprintf($linkSurvey, $surveys_done),
  961. 'surveys_left' => sprintf($linkSurvey, $surveys_left),
  962. 'surveys_progress' => sprintf($linkSurvey, $surveys_progress . '%'),
  963. );
  964. }
  965. return $table;
  966. }
  967. function get_number_of_tracking_access_overview()
  968. {
  969. // database table definition
  970. $track_e_course_access = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
  971. return Database::count_rows($track_e_course_access);
  972. }
  973. /**
  974. * Get the ip, total of clicks, login date and time logged in for all user, in one session
  975. * @todo track_e_course_access table should have ip so we dont have to look for it in track_e_login
  976. *
  977. * @author César Perales <cesar.perales@beeznest.com>, Beeznest Team
  978. * @version Chamilo 1.9.6
  979. */
  980. static function get_user_data_access_tracking_overview(
  981. $sessionId,
  982. $courseId,
  983. $studentId = 0,
  984. $profile = '',
  985. $date_from = '',
  986. $date_to = '',
  987. $options
  988. ) {
  989. global $_configuration;
  990. //escaping variables
  991. $sessionId = intval($sessionId);
  992. $courseId = intval($courseId);
  993. $studentId = intval($studentId);
  994. $profile = intval($profile);
  995. $date_from = Database::escape_string($date_from);
  996. $date_to = Database::escape_string($date_to);
  997. // database table definition
  998. $user = Database :: get_main_table(TABLE_MAIN_USER);
  999. $course = Database :: get_main_table(TABLE_MAIN_COURSE);
  1000. $track_e_login = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
  1001. $track_e_course_access = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
  1002. $sessionTable = Database :: get_main_table(TABLE_MAIN_SESSION);
  1003. global $export_csv;
  1004. if ($export_csv) {
  1005. $is_western_name_order = api_is_western_name_order(PERSON_NAME_DATA_EXPORT);
  1006. } else {
  1007. $is_western_name_order = api_is_western_name_order();
  1008. }
  1009. if (isset($sessionId) && !empty($sessionId)) {
  1010. $where = sprintf(" WHERE a.session_id = %d", $sessionId);
  1011. }
  1012. if (isset($courseId) && !empty($courseId)) {
  1013. $where .= sprintf(" AND c.id = %d", $courseId);
  1014. }
  1015. if (isset($studentId) && !empty($studentId)) {
  1016. $where .= sprintf(" AND u.user_id = %d", $studentId);
  1017. }
  1018. if (isset($profile) && !empty($profile)) {
  1019. $where .= sprintf(" AND u.status = %d", $profile);
  1020. }
  1021. if (!empty($date_to) && !empty($date_from)) {
  1022. $where .= sprintf(
  1023. " AND a.login_course_date >= '%s 00:00:00'
  1024. AND a.login_course_date <= '%s 23:59:59'",
  1025. $date_from,
  1026. $date_to
  1027. );
  1028. }
  1029. $limit = null;
  1030. if (!empty($options['limit'])) {
  1031. $limit = " LIMIT " . $options['limit'];
  1032. }
  1033. if (!empty($options['where'])) {
  1034. $where .= ' '.$options['where'];
  1035. }
  1036. $order = null;
  1037. if (!empty($options['order'])) {
  1038. $order = " ORDER BY " . $options['order'];
  1039. }
  1040. //TODO add course name
  1041. $sql = "SELECT
  1042. a.login_course_date ,
  1043. u.username ,
  1044. " . ($is_western_name_order ? "
  1045. u.firstname,
  1046. u.lastname,
  1047. " : "
  1048. u.lastname,
  1049. u.firstname,
  1050. ") . "
  1051. a.logout_course_date,
  1052. a.counter,
  1053. c.title,
  1054. c.code,
  1055. u.user_id,
  1056. a.session_id
  1057. FROM $track_e_course_access a
  1058. INNER JOIN $user u ON a.user_id = u.user_id
  1059. INNER JOIN $course c ON a.course_code = c.code
  1060. $where $order $limit";
  1061. $result = Database::query(sprintf($sql, $sessionId, $courseId));
  1062. $data = array();
  1063. while ($user = Database::fetch_assoc($result)) {
  1064. $data[] = $user;
  1065. }
  1066. //foreach
  1067. foreach ($data as $key => $info) {
  1068. $sql = "SELECT
  1069. name
  1070. FROM $sessionTable
  1071. WHERE
  1072. id = {$info['session_id']}";
  1073. $result = Database::query($sql);
  1074. $session = Database::fetch_assoc($result);
  1075. //We are not using this becaouse the range its to small and no other date match the condition of this function
  1076. //$clicks = Tracking::get_total_clicks($info['user_id'], $courseId, $sessionId, $info['login_course_date'], $info['logout_course_date']);
  1077. #building array to display
  1078. $return[] = array(
  1079. 'user_id' => $info['user_id'],
  1080. 'logindate' => $info['login_course_date'],
  1081. 'username' => $info['username'],
  1082. 'firstname' => $info['firstname'],
  1083. 'lastname' => $info['lastname'],
  1084. 'clicks' => $info['counter'], //+ $clicks[$info['user_id']],
  1085. 'ip' => '',
  1086. 'timeLoggedIn' => gmdate("H:i:s", strtotime($info['logout_course_date']) - strtotime($info['login_course_date'])),
  1087. 'session' => $session['name']);
  1088. }
  1089. foreach ($return as $key => $info) {
  1090. //Search for ip, we do less querys if we iterate the final array
  1091. $sql = sprintf("SELECT login_ip FROM $track_e_login WHERE login_user_id = %d AND login_date < '%s' ORDER BY login_date DESC LIMIT 1", $info['user_id'], $info['logindate']); //TODO add select by user too
  1092. $result = Database::query($sql);
  1093. $ip = Database::fetch_assoc($result);
  1094. //if no ip founded, we search the closest higher ip
  1095. if (empty($ip['login_ip'])) {
  1096. $sql = sprintf("SELECT login_ip FROM $track_e_login WHERE login_user_id = %d AND login_date > '%s' ORDER BY login_date ASC LIMIT 1", $info['user_id'], $info['logindate']); //TODO add select by user too
  1097. $result = Database::query($sql);
  1098. $ip = Database::fetch_assoc($result);
  1099. }
  1100. #add ip to final array
  1101. $return[$key]['ip'] = $ip['login_ip'];
  1102. }
  1103. return $return;
  1104. }
  1105. /**
  1106. * Creates a new course code based in given code
  1107. *
  1108. * @param string wanted code
  1109. * <code>
  1110. * $wanted_code = 'curse' if there are in the DB codes like curse1 curse2 the function will return: course3
  1111. * if the course code doest not exist in the DB the same course code will be returned
  1112. * </code>
  1113. * @return string wanted unused code
  1114. */
  1115. public static function generate_nice_next_session_name($session_name)
  1116. {
  1117. $session_name_ok = !self::session_name_exists($session_name);
  1118. if (!$session_name_ok) {
  1119. $table = Database::get_main_table(TABLE_MAIN_SESSION);
  1120. $session_name = Database::escape_string($session_name);
  1121. $sql = "SELECT count(*) as count FROM $table WHERE name LIKE '$session_name%'";
  1122. $result = Database::query($sql);
  1123. if (Database::num_rows($result) > 0) {
  1124. $row = Database::fetch_array($result);
  1125. $count = $row['count'] + 1;
  1126. $session_name = $session_name . '_' . $count;
  1127. $result = self::session_name_exists($session_name);
  1128. if (!$result) {
  1129. return $session_name;
  1130. }
  1131. }
  1132. return false;
  1133. }
  1134. return $session_name;
  1135. }
  1136. /**
  1137. * Edit a session
  1138. * @author Carlos Vargas from existing code
  1139. * @param integer id
  1140. * @param string name
  1141. * @param integer year_start
  1142. * @param integer month_start
  1143. * @param integer day_start
  1144. * @param integer year_end
  1145. * @param integer month_end
  1146. * @param integer day_end
  1147. * @param integer nb_days_acess_before
  1148. * @param integer nb_days_acess_after
  1149. * @param integer nolimit
  1150. * @param integer id_coach
  1151. * @param integer id_session_category
  1152. * @param int $id_visibility
  1153. * @param bool
  1154. * @param bool
  1155. * @param string $description
  1156. * @param int $showDescription
  1157. * @return $id;
  1158. * The parameter id is a primary key
  1159. * */
  1160. public static function edit_session(
  1161. $id, $name, $year_start, $month_start, $day_start, $year_end, $month_end, $day_end, $nb_days_acess_before, $nb_days_acess_after, $nolimit, $id_coach, $id_session_category, $id_visibility, $start_limit = true, $end_limit = true, $description = null, $showDescription = null
  1162. )
  1163. {
  1164. $name = trim(stripslashes($name));
  1165. $year_start = intval($year_start);
  1166. $month_start = intval($month_start);
  1167. $day_start = intval($day_start);
  1168. $year_end = intval($year_end);
  1169. $month_end = intval($month_end);
  1170. $day_end = intval($day_end);
  1171. $id_coach = intval($id_coach);
  1172. $nb_days_acess_before = intval($nb_days_acess_before);
  1173. $nb_days_acess_after = intval($nb_days_acess_after);
  1174. $id_session_category = intval($id_session_category);
  1175. $id_visibility = intval($id_visibility);
  1176. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1177. if (empty($nolimit)) {
  1178. $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
  1179. $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
  1180. } else {
  1181. $date_start = "0000-00-00";
  1182. $date_end = "0000-00-00";
  1183. $id_visibility = 1; //force read only
  1184. }
  1185. if (!empty($no_end_limit)) {
  1186. $date_end = "0000-00-00";
  1187. }
  1188. if (empty($end_limit)) {
  1189. $date_end = "0000-00-00";
  1190. $id_visibility = 1; //force read only
  1191. }
  1192. if (empty($start_limit)) {
  1193. $date_start = "0000-00-00";
  1194. }
  1195. if (empty($name)) {
  1196. $msg = get_lang('SessionNameIsRequired');
  1197. return $msg;
  1198. } elseif (empty($id_coach)) {
  1199. $msg = get_lang('CoachIsRequired');
  1200. return $msg;
  1201. } elseif (!empty($start_limit) && empty($nolimit) && (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start))) {
  1202. $msg = get_lang('InvalidStartDate');
  1203. return $msg;
  1204. } elseif (!empty($end_limit) && empty($nolimit) && (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end))) {
  1205. $msg = get_lang('InvalidEndDate');
  1206. return $msg;
  1207. } elseif (!empty($start_limit) && !empty($end_limit) && empty($nolimit) && $date_start >= $date_end) {
  1208. $msg = get_lang('StartDateShouldBeBeforeEndDate');
  1209. return $msg;
  1210. } else {
  1211. $rs = Database::query("SELECT id FROM $tbl_session WHERE name='" . Database::escape_string($name) . "'");
  1212. $exists = false;
  1213. while ($row = Database::fetch_array($rs)) {
  1214. if ($row['id'] != $id) {
  1215. $exists = true;
  1216. }
  1217. }
  1218. if ($exists) {
  1219. $msg = get_lang('SessionNameAlreadyExists');
  1220. return $msg;
  1221. } else {
  1222. $sessionInfo = SessionManager::fetch($id);
  1223. $descriptionCondition = null;
  1224. if (array_key_exists('description', $sessionInfo)) {
  1225. $descriptionCondition = ' description = "' . Database::escape_string($description) . '" ,';
  1226. }
  1227. $showDescriptionCondition = null;
  1228. if (array_key_exists('show_description', $sessionInfo)) {
  1229. $showDescriptionCondition = ' show_description = "' . Database::escape_string($showDescription) . '" ,';
  1230. }
  1231. $sql = "UPDATE $tbl_session " .
  1232. "SET name='" . Database::escape_string($name) . "',
  1233. date_start='" . $date_start . "',
  1234. date_end='" . $date_end . "',
  1235. id_coach='" . $id_coach . "',
  1236. nb_days_access_before_beginning = " . $nb_days_acess_before . ",
  1237. nb_days_access_after_end = " . $nb_days_acess_after . ",
  1238. session_category_id = " . $id_session_category . " ,
  1239. $descriptionCondition
  1240. $showDescriptionCondition
  1241. visibility= " . $id_visibility . "
  1242. WHERE id='$id'";
  1243. Database::query($sql);
  1244. return $id;
  1245. }
  1246. }
  1247. }
  1248. /**
  1249. * Delete session
  1250. * @author Carlos Vargas from existing code
  1251. * @param array id_checked an array to delete sessions
  1252. * @param boolean optional, true if the function is called by a webservice, false otherwise.
  1253. * @return void Nothing, or false on error
  1254. * */
  1255. public static function delete_session($id_checked, $from_ws = false)
  1256. {
  1257. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1258. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1259. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1260. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1261. $tbl_url_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1262. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1263. $userId = api_get_user_id();
  1264. if (is_array($id_checked)) {
  1265. $id_checked = Database::escape_string(implode(',', $id_checked));
  1266. } else {
  1267. $id_checked = intval($id_checked);
  1268. }
  1269. if (!api_is_platform_admin() && !$from_ws) {
  1270. $sql = 'SELECT session_admin_id FROM ' . Database :: get_main_table(TABLE_MAIN_SESSION) . ' WHERE id=' . $id_checked;
  1271. $rs = Database::query($sql);
  1272. if (Database::result($rs, 0, 0) != $userId) {
  1273. api_not_allowed(true);
  1274. }
  1275. }
  1276. Database::query("DELETE FROM $tbl_session WHERE id IN($id_checked)");
  1277. Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session IN($id_checked)");
  1278. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session IN($id_checked)");
  1279. Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session IN($id_checked)");
  1280. Database::query("DELETE FROM $tbl_url_session WHERE session_id IN($id_checked)");
  1281. $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked'";
  1282. Database::query($sql_delete_sfv);
  1283. // Add event to system log
  1284. event_system(LOG_SESSION_DELETE, LOG_SESSION_ID, $id_checked, api_get_utc_datetime(), $userId);
  1285. }
  1286. /**
  1287. * @param int $id_promotion
  1288. * @return bool
  1289. */
  1290. public static function clear_session_ref_promotion($id_promotion)
  1291. {
  1292. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1293. $id_promotion = intval($id_promotion);
  1294. $update_sql = "UPDATE $tbl_session SET promotion_id=0 WHERE promotion_id='$id_promotion'";
  1295. if (Database::query($update_sql)) {
  1296. return true;
  1297. } else {
  1298. return false;
  1299. }
  1300. }
  1301. /**
  1302. * Subscribes students to the given session and optionally (default) unsubscribes previous users
  1303. *
  1304. * @author Carlos Vargas from existing code
  1305. * @author Julio Montoya. Cleaning code.
  1306. * @param int $id_session
  1307. * @param array $user_list
  1308. * @param int $session_visibility
  1309. * @param bool $empty_users
  1310. * @param bool $send_email
  1311. * @return bool
  1312. */
  1313. public static function suscribe_users_to_session(
  1314. $id_session, $user_list, $session_visibility = SESSION_VISIBLE_READ_ONLY, $empty_users = true, $send_email = false
  1315. )
  1316. {
  1317. if ($id_session != strval(intval($id_session))) {
  1318. return false;
  1319. }
  1320. foreach ($user_list as $intUser) {
  1321. if ($intUser != strval(intval($intUser))) {
  1322. return false;
  1323. }
  1324. }
  1325. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1326. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1327. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1328. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1329. $session_info = api_get_session_info($id_session);
  1330. $session_name = $session_info['name'];
  1331. // from function parameter
  1332. if (empty($session_visibility)) {
  1333. $session_visibility = $session_info['visibility']; //loaded from DB
  1334. //default status loaded if empty
  1335. if (empty($session_visibility))
  1336. $session_visibility = SESSION_VISIBLE_READ_ONLY; // by default readonly 1
  1337. } else {
  1338. if (!in_array($session_visibility, array(SESSION_VISIBLE_READ_ONLY, SESSION_VISIBLE, SESSION_INVISIBLE))) {
  1339. $session_visibility = SESSION_VISIBLE_READ_ONLY;
  1340. }
  1341. }
  1342. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user WHERE id_session = '$id_session' AND status = 0";
  1343. $result = Database::query($sql);
  1344. $existingUsers = array();
  1345. while ($row = Database::fetch_array($result)) {
  1346. $existingUsers[] = $row['id_user'];
  1347. }
  1348. $sql = "SELECT course_code FROM $tbl_session_rel_course WHERE id_session = '$id_session'";
  1349. $result = Database::query($sql);
  1350. $course_list = array();
  1351. while ($row = Database::fetch_array($result)) {
  1352. $course_list[] = $row['course_code'];
  1353. }
  1354. if ($send_email) {
  1355. // Sending emails only
  1356. if (is_array($user_list) && count($user_list) > 0) {
  1357. foreach ($user_list as $user_id) {
  1358. if (!in_array($user_id, $existingUsers)) {
  1359. $subject = '[' . get_setting('siteName') . '] ' . get_lang('YourReg') . ' ' . get_setting('siteName');
  1360. $user_info = api_get_user_info($user_id);
  1361. $content = get_lang('Dear') . " " . stripslashes($user_info['complete_name']) . ",\n\n" . sprintf(get_lang('YouAreRegisterToSessionX'), $session_name) . " \n\n" . get_lang('Address') . " " . get_setting('siteName') . " " . get_lang('Is') . " : " . api_get_path(WEB_PATH) . "\n\n" . get_lang('Problem') . "\n\n" . get_lang('Formula') . ",\n\n" . get_setting('administratorName') . " " . get_setting('administratorSurname') . "\n" . get_lang('Manager') . " " . get_setting('siteName') . "\nT. " . get_setting('administratorTelephone') . "\n" . get_lang('Email') . " : " . get_setting('emailAdministrator');
  1362. MessageManager::send_message($user_id, $subject, $content, array(), array(), null, null, null, null, null);
  1363. }
  1364. }
  1365. }
  1366. }
  1367. foreach ($course_list as $enreg_course) {
  1368. // for each course in the session
  1369. $nbr_users = 0;
  1370. $enreg_course = Database::escape_string($enreg_course);
  1371. // delete existing users
  1372. if ($empty_users) {
  1373. foreach ($existingUsers as $existing_user) {
  1374. if (!in_array($existing_user, $user_list)) {
  1375. $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";
  1376. Database::query($sql);
  1377. if (Database::affected_rows()) {
  1378. $nbr_users--;
  1379. }
  1380. }
  1381. }
  1382. }
  1383. // Replace with this new function
  1384. // insert new users into session_rel_course_rel_user and ignore if they already exist
  1385. foreach ($user_list as $enreg_user) {
  1386. if (!in_array($enreg_user, $existingUsers)) {
  1387. $enreg_user = Database::escape_string($enreg_user);
  1388. $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','$session_visibility', '0')";
  1389. Database::query($insert_sql);
  1390. if (Database::affected_rows()) {
  1391. $nbr_users++;
  1392. }
  1393. }
  1394. }
  1395. // Count users in this session-course relation
  1396. $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";
  1397. $rs = Database::query($sql);
  1398. list($nbr_users) = Database::fetch_array($rs);
  1399. // update the session-course relation to add the users total
  1400. $update_sql = "UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'";
  1401. Database::query($update_sql);
  1402. }
  1403. // Delete users from the session
  1404. if ($empty_users === true) {
  1405. Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session = $id_session AND relation_type<>" . SESSION_RELATION_TYPE_RRHH . "");
  1406. }
  1407. // Insert missing users into session
  1408. $nbr_users = 0;
  1409. foreach ($user_list as $enreg_user) {
  1410. $enreg_user = Database::escape_string($enreg_user);
  1411. $nbr_users++;
  1412. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user) VALUES ('$id_session', '$enreg_user')";
  1413. Database::query($insert_sql);
  1414. }
  1415. // update number of users in the session
  1416. $nbr_users = count($user_list);
  1417. if ($empty_users) {
  1418. // update number of users in the session
  1419. $update_sql = "UPDATE $tbl_session SET nbr_users= $nbr_users WHERE id='$id_session' ";
  1420. Database::query($update_sql);
  1421. } else {
  1422. $update_sql = "UPDATE $tbl_session SET nbr_users= nbr_users + $nbr_users WHERE id='$id_session'";
  1423. Database::query($update_sql);
  1424. }
  1425. }
  1426. /**
  1427. * Subscribe a user to an specific course inside a session.
  1428. *
  1429. * @param array $user_list
  1430. * @param int $session_id
  1431. * @param string $course_code
  1432. * @param int $session_visibility
  1433. * @return bool
  1434. */
  1435. public static function subscribe_users_to_session_course(
  1436. $user_list, $session_id, $course_code, $session_visibility = SESSION_VISIBLE_READ_ONLY
  1437. )
  1438. {
  1439. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1440. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1441. if (empty($user_list) || empty($session_id) || empty($course_code)) {
  1442. return false;
  1443. }
  1444. $session_id = intval($session_id);
  1445. $course_code = Database::escape_string($course_code);
  1446. $session_visibility = intval($session_visibility);
  1447. $nbr_users = 0;
  1448. /* AND
  1449. visibility = $session_visibility */
  1450. foreach ($user_list as $enreg_user) {
  1451. $enreg_user = intval($enreg_user);
  1452. $sql = "SELECT count(id_user) as count
  1453. FROM $tbl_session_rel_course_rel_user
  1454. WHERE id_session = $session_id AND
  1455. course_code = '$course_code' and
  1456. id_user = $enreg_user ";
  1457. $result = Database::query($sql);
  1458. $count = 0;
  1459. if (Database::num_rows($result) > 0) {
  1460. $row = Database::fetch_array($result, 'ASSOC');
  1461. $count = $row['count'];
  1462. }
  1463. if ($count == 0) {
  1464. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session,course_code,id_user,visibility)
  1465. VALUES ('$session_id','$course_code','$enreg_user','$session_visibility')";
  1466. Database::query($insert_sql);
  1467. if (Database::affected_rows()) {
  1468. $nbr_users++;
  1469. }
  1470. }
  1471. }
  1472. // count users in this session-course relation
  1473. $sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user
  1474. WHERE id_session='$session_id' AND course_code='$course_code' AND status<>2";
  1475. $rs = Database::query($sql);
  1476. list($nbr_users) = Database::fetch_array($rs);
  1477. // update the session-course relation to add the users total
  1478. $update_sql = "UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users
  1479. WHERE id_session='$session_id' AND course_code='$course_code'";
  1480. Database::query($update_sql);
  1481. }
  1482. /**
  1483. * Unsubscribe user from session
  1484. *
  1485. * @param int Session id
  1486. * @param int User id
  1487. * @return bool True in case of success, false in case of error
  1488. */
  1489. public static function unsubscribe_user_from_session($session_id, $user_id)
  1490. {
  1491. $session_id = (int) $session_id;
  1492. $user_id = (int) $user_id;
  1493. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1494. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1495. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1496. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1497. $delete_sql = "DELETE FROM $tbl_session_rel_user
  1498. WHERE id_session = '$session_id' AND
  1499. id_user ='$user_id' AND
  1500. relation_type <> " . SESSION_RELATION_TYPE_RRHH . "";
  1501. Database::query($delete_sql);
  1502. $return = Database::affected_rows();
  1503. // Update number of users
  1504. $sql = "UPDATE $tbl_session SET nbr_users = nbr_users - $return WHERE id='$session_id' ";
  1505. Database::query($sql);
  1506. // Get the list of courses related to this session
  1507. $course_list = SessionManager::get_course_list_by_session_id($session_id);
  1508. if (!empty($course_list)) {
  1509. foreach ($course_list as $course) {
  1510. $course_code = $course['code'];
  1511. // Delete user from course
  1512. $sql = "DELETE FROM $tbl_session_rel_course_rel_user
  1513. WHERE id_session='$session_id' AND course_code='$course_code' AND id_user='$user_id'";
  1514. Database::query($sql);
  1515. if (Database::affected_rows()) {
  1516. // Update number of users in this relation
  1517. $sql = "UPDATE $tbl_session_rel_course SET nbr_users=nbr_users - 1
  1518. WHERE id_session='$session_id' AND course_code='$course_code'";
  1519. Database::query($sql);
  1520. }
  1521. }
  1522. }
  1523. return true;
  1524. }
  1525. /** Subscribes courses to the given session and optionally (default) unsubscribes previous users
  1526. * @author Carlos Vargas from existing code
  1527. * @param int Session ID
  1528. * @param array List of courses IDs
  1529. * @param bool Whether to unsubscribe existing users (true, default) or not (false)
  1530. * @return void Nothing, or false on error
  1531. * */
  1532. public static function add_courses_to_session($id_session, $course_list, $empty_courses = true)
  1533. {
  1534. // Security checks
  1535. if ($id_session != strval(intval($id_session))) {
  1536. return false;
  1537. }
  1538. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1539. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1540. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1541. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1542. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  1543. // get general coach ID
  1544. $id_coach = Database::query("SELECT id_coach FROM $tbl_session WHERE id=$id_session");
  1545. $id_coach = Database::fetch_array($id_coach);
  1546. $id_coach = $id_coach[0];
  1547. // get list of courses subscribed to this session
  1548. $rs = Database::query("SELECT course_code FROM $tbl_session_rel_course WHERE id_session=$id_session");
  1549. $existingCourses = Database::store_result($rs);
  1550. $nbr_courses = count($existingCourses);
  1551. // get list of users subscribed to this session
  1552. $sql = "SELECT id_user
  1553. FROM $tbl_session_rel_user
  1554. WHERE id_session = $id_session AND relation_type<>" . SESSION_RELATION_TYPE_RRHH . "";
  1555. $result = Database::query($sql);
  1556. $user_list = Database::store_result($result);
  1557. // remove existing courses from the session
  1558. if ($empty_courses === true) {
  1559. foreach ($existingCourses as $existingCourse) {
  1560. if (!in_array($existingCourse['course_code'], $course_list)) {
  1561. Database::query("DELETE FROM $tbl_session_rel_course WHERE course_code='" . $existingCourse['course_code'] . "' AND id_session=$id_session");
  1562. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE course_code='" . $existingCourse['course_code'] . "' AND id_session=$id_session");
  1563. }
  1564. }
  1565. $nbr_courses = 0;
  1566. }
  1567. // Pass through the courses list we want to add to the session
  1568. foreach ($course_list as $enreg_course) {
  1569. $enreg_course = Database::escape_string($enreg_course);
  1570. $exists = false;
  1571. // check if the course we want to add is already subscribed
  1572. foreach ($existingCourses as $existingCourse) {
  1573. if ($enreg_course == $existingCourse['course_code']) {
  1574. $exists = true;
  1575. }
  1576. }
  1577. if (!$exists) {
  1578. //if the course isn't subscribed yet
  1579. $sql_insert_rel_course = "INSERT INTO $tbl_session_rel_course (id_session,course_code) VALUES ('$id_session','$enreg_course')";
  1580. Database::query($sql_insert_rel_course);
  1581. //We add the current course in the existing courses array, to avoid adding another time the current course
  1582. $existingCourses[] = array('course_code' => $enreg_course);
  1583. $nbr_courses++;
  1584. // subscribe all the users from the session to this course inside the session
  1585. $nbr_users = 0;
  1586. foreach ($user_list as $enreg_user) {
  1587. $enreg_user_id = Database::escape_string($enreg_user['id_user']);
  1588. $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')";
  1589. Database::query($sql_insert);
  1590. if (Database::affected_rows()) {
  1591. $nbr_users++;
  1592. }
  1593. }
  1594. Database::query("UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'");
  1595. }
  1596. }
  1597. Database::query("UPDATE $tbl_session SET nbr_courses=$nbr_courses WHERE id='$id_session'");
  1598. }
  1599. /**
  1600. * Unsubscribe course from a session
  1601. *
  1602. * @param int Session id
  1603. * @param int Course id
  1604. * @return bool True in case of success, false otherwise
  1605. */
  1606. public static function unsubscribe_course_from_session($session_id, $course_id)
  1607. {
  1608. $session_id = (int) $session_id;
  1609. $course_id = (int) $course_id;
  1610. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1611. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1612. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1613. // Get course code
  1614. $course_code = CourseManager::get_course_code_from_course_id($course_id);
  1615. if ($course_code == 0) {
  1616. return false;
  1617. }
  1618. // Unsubscribe course
  1619. Database::query("DELETE FROM $tbl_session_rel_course WHERE course_code='$course_code' AND id_session='$session_id'");
  1620. $nb_affected = Database::affected_rows();
  1621. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE course_code='$course_code' AND id_session='$session_id'");
  1622. if ($nb_affected > 0) {
  1623. // Update number of courses in the session
  1624. Database::query("UPDATE $tbl_session SET nbr_courses= nbr_courses + $nb_affected WHERE id='$session_id' ");
  1625. return true;
  1626. } else {
  1627. return false;
  1628. }
  1629. }
  1630. /**
  1631. * Creates a new extra field for a given session
  1632. * @param string Field's internal variable name
  1633. * @param int Field's type
  1634. * @param string Field's language var name
  1635. * @return int new extra field id
  1636. */
  1637. public static function create_session_extra_field($fieldvarname, $fieldtype, $fieldtitle)
  1638. {
  1639. // database table definition
  1640. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1641. $fieldvarname = Database::escape_string($fieldvarname);
  1642. $fieldtitle = Database::escape_string($fieldtitle);
  1643. $fieldtype = (int) $fieldtype;
  1644. $time = time();
  1645. $sql_field = "SELECT id FROM $t_sf WHERE field_variable = '$fieldvarname'";
  1646. $res_field = Database::query($sql_field);
  1647. $r_field = Database::fetch_row($res_field);
  1648. if (Database::num_rows($res_field) > 0) {
  1649. $field_id = $r_field[0];
  1650. } else {
  1651. // save new fieldlabel into course_field table
  1652. $sql = "SELECT MAX(field_order) FROM $t_sf";
  1653. $res = Database::query($sql);
  1654. $order = 0;
  1655. if (Database::num_rows($res) > 0) {
  1656. $row = Database::fetch_row($res);
  1657. $order = $row[0] + 1;
  1658. }
  1659. $sql = "INSERT INTO $t_sf SET
  1660. field_type = '$fieldtype',
  1661. field_variable = '$fieldvarname',
  1662. field_display_text = '$fieldtitle',
  1663. field_order = '$order',
  1664. tms = FROM_UNIXTIME($time)";
  1665. Database::query($sql);
  1666. $field_id = Database::insert_id();
  1667. }
  1668. return $field_id;
  1669. }
  1670. /**
  1671. * Update an extra field value for a given session
  1672. * @param integer Course ID
  1673. * @param string Field variable name
  1674. * @param string Field value
  1675. * @return boolean true if field updated, false otherwise
  1676. */
  1677. public static function update_session_extra_field_value($session_id, $fname, $fvalue = '')
  1678. {
  1679. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1680. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1681. $fname = Database::escape_string($fname);
  1682. $session_id = (int) $session_id;
  1683. $fvalues = '';
  1684. if (is_array($fvalue)) {
  1685. foreach ($fvalue as $val) {
  1686. $fvalues .= Database::escape_string($val) . ';';
  1687. }
  1688. if (!empty($fvalues)) {
  1689. $fvalues = substr($fvalues, 0, -1);
  1690. }
  1691. } else {
  1692. $fvalues = Database::escape_string($fvalue);
  1693. }
  1694. $sqlsf = "SELECT * FROM $t_sf WHERE field_variable='$fname'";
  1695. $ressf = Database::query($sqlsf);
  1696. if (Database::num_rows($ressf) == 1) {
  1697. //ok, the field exists
  1698. // Check if enumerated field, if the option is available
  1699. $rowsf = Database::fetch_array($ressf);
  1700. $tms = time();
  1701. $sqlsfv = "SELECT * FROM $t_sfv WHERE session_id = '$session_id' AND field_id = '" . $rowsf['id'] . "' ORDER BY id";
  1702. $ressfv = Database::query($sqlsfv);
  1703. $n = Database::num_rows($ressfv);
  1704. if ($n > 1) {
  1705. //problem, we already have to values for this field and user combination - keep last one
  1706. while ($rowsfv = Database::fetch_array($ressfv)) {
  1707. if ($n > 1) {
  1708. $sqld = "DELETE FROM $t_sfv WHERE id = " . $rowsfv['id'];
  1709. $resd = Database::query($sqld);
  1710. $n--;
  1711. }
  1712. $rowsfv = Database::fetch_array($ressfv);
  1713. if ($rowsfv['field_value'] != $fvalues) {
  1714. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = FROM_UNIXTIME($tms) WHERE id = " . $rowsfv['id'];
  1715. $resu = Database::query($sqlu);
  1716. return($resu ? true : false);
  1717. }
  1718. return true;
  1719. }
  1720. } else if ($n == 1) {
  1721. //we need to update the current record
  1722. $rowsfv = Database::fetch_array($ressfv);
  1723. if ($rowsfv['field_value'] != $fvalues) {
  1724. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = FROM_UNIXTIME($tms) WHERE id = " . $rowsfv['id'];
  1725. //error_log('UM::update_extra_field_value: '.$sqlu);
  1726. $resu = Database::query($sqlu);
  1727. return($resu ? true : false);
  1728. }
  1729. return true;
  1730. } else {
  1731. $sqli = "INSERT INTO $t_sfv (session_id,field_id,field_value,tms) " .
  1732. "VALUES ('$session_id'," . $rowsf['id'] . ",'$fvalues',FROM_UNIXTIME($tms))";
  1733. //error_log('UM::update_extra_field_value: '.$sqli);
  1734. $resi = Database::query($sqli);
  1735. return($resi ? true : false);
  1736. }
  1737. } else {
  1738. return false; //field not found
  1739. }
  1740. }
  1741. /**
  1742. * Checks the relationship between a session and a course.
  1743. * @param int $session_id
  1744. * @param int $course_id
  1745. * @return bool Returns TRUE if the session and the course are related, FALSE otherwise.
  1746. * */
  1747. public static function relation_session_course_exist($session_id, $course_id)
  1748. {
  1749. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1750. $return_value = false;
  1751. $sql = "SELECT course_code FROM $tbl_session_course WHERE id_session = " . Database::escape_string($session_id) . " AND course_code = '" . Database::escape_string($course_id) . "'";
  1752. $result = Database::query($sql);
  1753. $num = Database::num_rows($result);
  1754. if ($num > 0) {
  1755. $return_value = true;
  1756. }
  1757. return $return_value;
  1758. }
  1759. /**
  1760. * Get the session information by name
  1761. * @param string session name
  1762. * @return mixed false if the session does not exist, array if the session exist
  1763. * */
  1764. public static function get_session_by_name($session_name)
  1765. {
  1766. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1767. $session_name = trim($session_name);
  1768. if (empty($session_name)) {
  1769. return false;
  1770. }
  1771. $sql = 'SELECT *
  1772. FROM ' . $tbl_session . '
  1773. WHERE name = "' . Database::escape_string($session_name) . '"';
  1774. $result = Database::query($sql);
  1775. $num = Database::num_rows($result);
  1776. if ($num > 0) {
  1777. return Database::fetch_array($result);
  1778. } else {
  1779. return false;
  1780. }
  1781. }
  1782. /**
  1783. * Create a session category
  1784. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  1785. * @param string name
  1786. * @param integer year_start
  1787. * @param integer month_start
  1788. * @param integer day_start
  1789. * @param integer year_end
  1790. * @param integer month_end
  1791. * @param integer day_end
  1792. * @return $id_session;
  1793. * */
  1794. public static function create_category_session($sname, $syear_start, $smonth_start, $sday_start, $syear_end, $smonth_end, $sday_end)
  1795. {
  1796. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1797. $name = trim($sname);
  1798. $year_start = intval($syear_start);
  1799. $month_start = intval($smonth_start);
  1800. $day_start = intval($sday_start);
  1801. $year_end = intval($syear_end);
  1802. $month_end = intval($smonth_end);
  1803. $day_end = intval($sday_end);
  1804. $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
  1805. $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
  1806. if (empty($name)) {
  1807. $msg = get_lang('SessionCategoryNameIsRequired');
  1808. return $msg;
  1809. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start)) {
  1810. $msg = get_lang('InvalidStartDate');
  1811. return $msg;
  1812. } elseif (!$month_end && !$day_end && !$year_end) {
  1813. $date_end = "null";
  1814. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end)) {
  1815. $msg = get_lang('InvalidEndDate');
  1816. return $msg;
  1817. } elseif ($date_start >= $date_end) {
  1818. $msg = get_lang('StartDateShouldBeBeforeEndDate');
  1819. return $msg;
  1820. }
  1821. $access_url_id = api_get_current_access_url_id();
  1822. $sql = "INSERT INTO $tbl_session_category (name, date_start, date_end, access_url_id)
  1823. VALUES('" . Database::escape_string($name) . "','$date_start','$date_end', '$access_url_id')";
  1824. Database::query($sql);
  1825. $id_session = Database::insert_id();
  1826. // Add event to system log
  1827. $user_id = api_get_user_id();
  1828. event_system(LOG_SESSION_CATEGORY_CREATE, LOG_SESSION_CATEGORY_ID, $id_session, api_get_utc_datetime(), $user_id);
  1829. return $id_session;
  1830. }
  1831. /**
  1832. * Edit a sessions categories
  1833. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>,from existing code
  1834. * @param integer id
  1835. * @param string name
  1836. * @param integer year_start
  1837. * @param integer month_start
  1838. * @param integer day_start
  1839. * @param integer year_end
  1840. * @param integer month_end
  1841. * @param integer day_end
  1842. * @return $id;
  1843. * The parameter id is a primary key
  1844. * */
  1845. public static function edit_category_session($id, $sname, $syear_start, $smonth_start, $sday_start, $syear_end, $smonth_end, $sday_end)
  1846. {
  1847. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1848. $name = trim($sname);
  1849. $year_start = intval($syear_start);
  1850. $month_start = intval($smonth_start);
  1851. $day_start = intval($sday_start);
  1852. $year_end = intval($syear_end);
  1853. $month_end = intval($smonth_end);
  1854. $day_end = intval($sday_end);
  1855. $id = intval($id);
  1856. $date_start = "$year_start-" . (($month_start < 10) ? "0$month_start" : $month_start) . "-" . (($day_start < 10) ? "0$day_start" : $day_start);
  1857. $date_end = "$year_end-" . (($month_end < 10) ? "0$month_end" : $month_end) . "-" . (($day_end < 10) ? "0$day_end" : $day_end);
  1858. if (empty($name)) {
  1859. $msg = get_lang('SessionCategoryNameIsRequired');
  1860. return $msg;
  1861. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start, $day_start, $year_start)) {
  1862. $msg = get_lang('InvalidStartDate');
  1863. return $msg;
  1864. } elseif (!$month_end && !$day_end && !$year_end) {
  1865. $date_end = null;
  1866. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end, $day_end, $year_end)) {
  1867. $msg = get_lang('InvalidEndDate');
  1868. return $msg;
  1869. } elseif ($date_start >= $date_end) {
  1870. $msg = get_lang('StartDateShouldBeBeforeEndDate');
  1871. return $msg;
  1872. }
  1873. if ($date_end <> null) {
  1874. $sql = "UPDATE $tbl_session_category SET name = '" . Database::escape_string($name) . "', date_start = '$date_start' " .
  1875. ", date_end = '$date_end' WHERE id= '" . $id . "' ";
  1876. } else {
  1877. $sql = "UPDATE $tbl_session_category SET name = '" . Database::escape_string($name) . "', date_start = '$date_start' " .
  1878. ", date_end = NULL WHERE id= '" . $id . "' ";
  1879. }
  1880. $result = Database::query($sql);
  1881. return ($result ? true : false);
  1882. }
  1883. /**
  1884. * Delete sessions categories
  1885. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  1886. * @param array id_checked
  1887. * @param bool include delete session
  1888. * @param bool optional, true if the function is called by a webservice, false otherwise.
  1889. * @return void Nothing, or false on error
  1890. * The parameters is a array to delete sessions
  1891. * */
  1892. public static function delete_session_category($id_checked, $delete_session = false, $from_ws = false)
  1893. {
  1894. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1895. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1896. if (is_array($id_checked)) {
  1897. $id_checked = Database::escape_string(implode(',', $id_checked));
  1898. } else {
  1899. $id_checked = intval($id_checked);
  1900. }
  1901. //Setting session_category_id to 0
  1902. $sql = "UPDATE $tbl_session SET session_category_id = 0 WHERE session_category_id IN (" . $id_checked . ")";
  1903. Database::query($sql);
  1904. $sql = "SELECT id FROM $tbl_session WHERE session_category_id IN (" . $id_checked . ")";
  1905. $result = Database::query($sql);
  1906. while ($rows = Database::fetch_array($result)) {
  1907. $session_id = $rows['id'];
  1908. if ($delete_session) {
  1909. if ($from_ws) {
  1910. SessionManager::delete_session($session_id, true);
  1911. } else {
  1912. SessionManager::delete_session($session_id);
  1913. }
  1914. }
  1915. }
  1916. $sql = "DELETE FROM $tbl_session_category WHERE id IN (" . $id_checked . ")";
  1917. Database::query($sql);
  1918. // Add event to system log
  1919. $user_id = api_get_user_id();
  1920. event_system(LOG_SESSION_CATEGORY_DELETE, LOG_SESSION_CATEGORY_ID, $id_checked, api_get_utc_datetime(), $user_id);
  1921. // delete extra session fields where field variable is "PERIODO"
  1922. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1923. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1924. $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' ";
  1925. $rs_field = Database::query($sql);
  1926. $field_id = 0;
  1927. if (Database::num_rows($rs_field) > 0) {
  1928. $row_field = Database::fetch_row($rs_field);
  1929. $field_id = $row_field[0];
  1930. $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked' AND field_id = '$field_id'";
  1931. Database::query($sql_delete_sfv);
  1932. }
  1933. $sql = "SELECT * FROM $t_sfv WHERE field_id = '$field_id' ";
  1934. $rs_field_id = Database::query($sql);
  1935. if (Database::num_rows($rs_field_id) == 0) {
  1936. $sql_delete_sf = "DELETE FROM $t_sf WHERE id = '$field_id'";
  1937. Database::query($sql_delete_sf);
  1938. }
  1939. return true;
  1940. }
  1941. /**
  1942. * Get a list of sessions of which the given conditions match with an = 'cond'
  1943. * @param array $conditions a list of condition (example : array('status =' =>STUDENT) or array('s.name LIKE' => "%$needle%")
  1944. * @param array $order_by a list of fields on which sort
  1945. * @return array An array with all sessions of the platform.
  1946. * @todo optional course code parameter, optional sorting parameters...
  1947. */
  1948. public static function get_sessions_list($conditions = array(), $order_by = array())
  1949. {
  1950. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1951. $session_category_table = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1952. $user_table = Database::get_main_table(TABLE_MAIN_USER);
  1953. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1954. $session_course_table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1955. $course_table = Database::get_main_table(TABLE_MAIN_COURSE);
  1956. $access_url_id = api_get_current_access_url_id();
  1957. $return_array = array();
  1958. $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
  1959. FROM $session_table s
  1960. INNER JOIN $user_table u ON s.id_coach = u.user_id
  1961. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  1962. LEFT JOIN $session_category_table sc ON s.session_category_id = sc.id
  1963. LEFT JOIN $session_course_table sco ON (sco.id_session = s.id)
  1964. INNER JOIN $course_table c ON sco.course_code = c.code
  1965. WHERE ar.access_url_id = $access_url_id ";
  1966. if (count($conditions) > 0) {
  1967. foreach ($conditions as $field => $value) {
  1968. $sql_query .= ' AND ';
  1969. $field = Database::escape_string($field);
  1970. $value = Database::escape_string($value);
  1971. $sql_query .= $field . " '" . $value . "'";
  1972. }
  1973. }
  1974. if (count($order_by) > 0) {
  1975. $sql_query .= ' ORDER BY ' . Database::escape_string(implode(',', $order_by));
  1976. }
  1977. $sql_result = Database::query($sql_query);
  1978. if (Database::num_rows($sql_result) > 0) {
  1979. while ($result = Database::fetch_array($sql_result)) {
  1980. $return_array[$result['id']] = $result;
  1981. }
  1982. }
  1983. return $return_array;
  1984. }
  1985. /**
  1986. * Get the session category information by id
  1987. * @param string session category ID
  1988. * @return mixed false if the session category does not exist, array if the session category exists
  1989. */
  1990. public static function get_session_category($id)
  1991. {
  1992. $id = intval($id);
  1993. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1994. $sql = "SELECT id, name, date_start, date_end FROM $tbl_session_category WHERE id= $id";
  1995. $result = Database::query($sql);
  1996. $num = Database::num_rows($result);
  1997. if ($num > 0) {
  1998. return Database::fetch_array($result);
  1999. } else {
  2000. return false;
  2001. }
  2002. }
  2003. /**
  2004. * Get all session categories (filter by access_url_id)
  2005. * @return mixed false if the session category does not exist, array if the session category exists
  2006. */
  2007. public static function get_all_session_category()
  2008. {
  2009. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  2010. $id = api_get_current_access_url_id();
  2011. $sql = 'SELECT * FROM ' . $tbl_session_category . ' WHERE access_url_id ="' . $id . '" ORDER BY name ASC';
  2012. $result = Database::query($sql);
  2013. if (Database::num_rows($result) > 0) {
  2014. $data = Database::store_result($result, 'ASSOC');
  2015. return $data;
  2016. } else {
  2017. return false;
  2018. }
  2019. }
  2020. /**
  2021. * Assign a coach to course in session with status = 2
  2022. * @param int - user id
  2023. * @param int - session id
  2024. * @param string - course code
  2025. * @param bool - optional, if is true the user don't be a coach now, otherwise it'll assign a coach
  2026. * @return bool true if there are affected rows, otherwise false
  2027. */
  2028. public static function set_coach_to_course_session($user_id, $session_id = 0, $course_code = '', $nocoach = false)
  2029. {
  2030. // Definition of variables
  2031. $user_id = intval($user_id);
  2032. if (!empty($session_id)) {
  2033. $session_id = intval($session_id);
  2034. } else {
  2035. $session_id = api_get_session_id();
  2036. }
  2037. if (!empty($course_code)) {
  2038. $course_code = Database::escape_string($course_code);
  2039. } else {
  2040. $course_code = api_get_course_id();
  2041. }
  2042. // Table definition
  2043. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2044. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2045. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2046. // check if user is a teacher
  2047. $sql = "SELECT * FROM $tbl_user WHERE status='1' AND user_id = '$user_id'";
  2048. $rs_check_user = Database::query($sql);
  2049. if (Database::num_rows($rs_check_user) > 0) {
  2050. if ($nocoach) {
  2051. // check if user_id exits int session_rel_user
  2052. $sql = "SELECT id_user FROM $tbl_session_rel_user WHERE id_session = '$session_id' AND id_user = '$user_id'";
  2053. $res = Database::query($sql);
  2054. if (Database::num_rows($res) > 0) {
  2055. // The user don't be a coach now
  2056. $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' ";
  2057. Database::query($sql);
  2058. if (Database::affected_rows() > 0)
  2059. return true;
  2060. else
  2061. return false;
  2062. } else {
  2063. // The user don't be a coach now
  2064. $sql = "DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  2065. Database::query($sql);
  2066. if (Database::affected_rows() > 0)
  2067. return true;
  2068. else
  2069. return false;
  2070. }
  2071. } else {
  2072. // Assign user like a coach to course
  2073. // First check if the user is registered in the course
  2074. $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'";
  2075. $rs_check = Database::query($sql);
  2076. // Then update or insert.
  2077. if (Database::num_rows($rs_check) > 0) {
  2078. $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 2
  2079. WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  2080. Database::query($sql);
  2081. if (Database::affected_rows() > 0) {
  2082. return true;
  2083. } else {
  2084. return false;
  2085. }
  2086. } else {
  2087. $sql = "INSERT INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, status) VALUES('$session_id', '$course_code', '$user_id', 2)";
  2088. Database::query($sql);
  2089. if (Database::affected_rows() > 0) {
  2090. return true;
  2091. } else {
  2092. return false;
  2093. }
  2094. }
  2095. }
  2096. } else {
  2097. return false;
  2098. }
  2099. }
  2100. /**
  2101. * Subscribes sessions to human resource manager (Dashboard feature)
  2102. * @param int Human Resource Manager id
  2103. * @param array Sessions id
  2104. * @return int
  2105. * */
  2106. public static function suscribe_sessions_to_hr_manager($userInfo, $sessions_list, $sendEmail = false, $removeOldConnections = true)
  2107. {
  2108. // Database Table Definitions
  2109. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2110. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2111. if (empty($userInfo)) {
  2112. return 0;
  2113. }
  2114. $userId = $userInfo['user_id'];
  2115. // Only subscribe DRH users.
  2116. if ($userInfo['status'] != DRH) {
  2117. return 0;
  2118. }
  2119. $affected_rows = 0;
  2120. // Deleting assigned sessions to hrm_id.
  2121. if ($removeOldConnections) {
  2122. if (api_is_multiple_url_enabled()) {
  2123. $sql = "SELECT id_session
  2124. FROM $tbl_session_rel_user s
  2125. INNER JOIN $tbl_session_rel_access_url a ON (a.session_id = s.id_session)
  2126. WHERE
  2127. id_user = $userId AND
  2128. relation_type=" . SESSION_RELATION_TYPE_RRHH . " AND
  2129. access_url_id = " . api_get_current_access_url_id() . "";
  2130. } else {
  2131. $sql = "SELECT id_session FROM $tbl_session_rel_user s
  2132. WHERE id_user = $userId AND relation_type=" . SESSION_RELATION_TYPE_RRHH . "";
  2133. }
  2134. $result = Database::query($sql);
  2135. if (Database::num_rows($result) > 0) {
  2136. while ($row = Database::fetch_array($result)) {
  2137. $sql = "DELETE FROM $tbl_session_rel_user
  2138. WHERE
  2139. id_session = {$row['id_session']} AND
  2140. id_user = $userId AND
  2141. relation_type=" . SESSION_RELATION_TYPE_RRHH . " ";
  2142. Database::query($sql);
  2143. }
  2144. }
  2145. }
  2146. // Inserting new sessions list.
  2147. if (!empty($sessions_list) && is_array($sessions_list)) {
  2148. foreach ($sessions_list as $session_id) {
  2149. $session_id = intval($session_id);
  2150. $sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user, relation_type)
  2151. VALUES ($session_id, $userId, '" . SESSION_RELATION_TYPE_RRHH . "')";
  2152. Database::query($sql);
  2153. $affected_rows++;
  2154. }
  2155. }
  2156. return $affected_rows;
  2157. }
  2158. /**
  2159. * @param int $userId
  2160. * @param int $sessionId
  2161. * @return array
  2162. */
  2163. public static function getSessionFollowedByDrh($userId, $sessionId)
  2164. {
  2165. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2166. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2167. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2168. $userId = intval($userId);
  2169. $sessionId = intval($sessionId);
  2170. $select = " SELECT * ";
  2171. if (api_is_multiple_url_enabled()) {
  2172. $sql = " $select FROM $tbl_session s
  2173. INNER JOIN $tbl_session_rel_user sru ON (sru.id_session = s.id)
  2174. LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
  2175. WHERE
  2176. sru.id_user = '$userId' AND
  2177. sru.id_session = '$sessionId' AND
  2178. sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "' AND
  2179. access_url_id = " . api_get_current_access_url_id() . "
  2180. ";
  2181. } else {
  2182. $sql = "$select FROM $tbl_session s
  2183. INNER JOIN $tbl_session_rel_user sru
  2184. ON
  2185. sru.id_session = s.id AND
  2186. sru.id_user = '$userId' AND
  2187. sru.id_session = '$sessionId' AND
  2188. sru.relation_type = '" . SESSION_RELATION_TYPE_RRHH . "'
  2189. ";
  2190. }
  2191. $result = Database::query($sql);
  2192. if (Database::num_rows($result)) {
  2193. $row = Database::fetch_array($result, 'ASSOC');
  2194. $row['course_list'] = self::get_course_list_by_session_id($sessionId);
  2195. return $row;
  2196. }
  2197. return array();
  2198. }
  2199. /**
  2200. * Get sessions followed by human resources manager
  2201. * @param int $userId
  2202. * @param int $start
  2203. * @param int $limit
  2204. * @param bool $getCount
  2205. * @param bool $getOnlySessionId
  2206. * @param bool $getSql
  2207. * @param string $orderCondition
  2208. * @return array sessions
  2209. */
  2210. public static function get_sessions_followed_by_drh(
  2211. $userId,
  2212. $start = null,
  2213. $limit = null,
  2214. $getCount = false,
  2215. $getOnlySessionId = false,
  2216. $getSql = false,
  2217. $orderCondition = null,
  2218. $keyword = null
  2219. ) {
  2220. return self::getSessionsFollowedByUser(
  2221. $userId,
  2222. DRH,
  2223. $start,
  2224. $limit,
  2225. $getCount,
  2226. $getOnlySessionId,
  2227. $getSql,
  2228. $orderCondition,
  2229. $keyword
  2230. );
  2231. }
  2232. /**
  2233. * Get sessions followed by human resources manager
  2234. * @param int $userId
  2235. * @param int $start
  2236. * @param int $limit
  2237. * @param bool $getCount
  2238. * @param bool $getOnlySessionId
  2239. * @param bool $getSql
  2240. * @param string $orderCondition
  2241. * @param string $keyword
  2242. * @return array sessions
  2243. */
  2244. public static function getSessionsFollowedByUser(
  2245. $userId,
  2246. $status = null,
  2247. $start = null,
  2248. $limit = null,
  2249. $getCount = false,
  2250. $getOnlySessionId = false,
  2251. $getSql = false,
  2252. $orderCondition = null,
  2253. $keyword = null
  2254. ) {
  2255. // Database Table Definitions
  2256. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2257. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2258. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2259. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2260. $userId = intval($userId);
  2261. $select = " SELECT DISTINCT * ";
  2262. if ($getCount) {
  2263. $select = " SELECT count(DISTINCT(s.id)) as count ";
  2264. }
  2265. if ($getOnlySessionId) {
  2266. $select = " SELECT DISTINCT(s.id) ";
  2267. }
  2268. $limitCondition = null;
  2269. if (!empty($start) && !empty($limit)) {
  2270. $limitCondition = " LIMIT " . intval($start) . ", " . intval($limit);
  2271. }
  2272. if (empty($orderCondition)) {
  2273. $orderCondition = " ORDER BY s.name ";
  2274. }
  2275. $whereConditions = null;
  2276. $sessionCourseConditions = null;
  2277. $sessionConditions = null;
  2278. $sessionQuery = null;
  2279. $courseSessionQuery = null;
  2280. switch($status) {
  2281. case DRH:
  2282. $sessionQuery = "SELECT sru.id_session
  2283. FROM
  2284. $tbl_session_rel_user sru
  2285. WHERE
  2286. sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' AND
  2287. sru.id_user = $userId";
  2288. break;
  2289. case COURSEMANAGER:
  2290. $courseSessionQuery = "
  2291. SELECT scu.id_session as id
  2292. FROM $tbl_session_rel_course_rel_user scu
  2293. WHERE (scu.status = 2 AND scu.id_user = $userId)";
  2294. $whereConditions = " OR (s.id_coach = $userId) ";
  2295. break;
  2296. }
  2297. $keywordCondition = null;
  2298. if (!empty($keyword)) {
  2299. $keyword = Database::escape_string($keyword);
  2300. $keywordCondition = " AND (s.name LIKE '%$keyword%' ) ";
  2301. }
  2302. $whereConditions .= $keywordCondition;
  2303. $subQuery = $sessionQuery.$courseSessionQuery;
  2304. $sql = " $select FROM $tbl_session s
  2305. INNER JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
  2306. WHERE
  2307. access_url_id = ".api_get_current_access_url_id()." AND
  2308. s.id IN (
  2309. $subQuery
  2310. )
  2311. $whereConditions
  2312. $orderCondition
  2313. $limitCondition";
  2314. if ($getSql) {
  2315. return $sql;
  2316. }
  2317. $result = Database::query($sql);
  2318. if ($getCount) {
  2319. $row = Database::fetch_array($result);
  2320. return $row['count'];
  2321. }
  2322. $sessions = array();
  2323. if (Database::num_rows($result) > 0) {
  2324. while ($row = Database::fetch_array($result)) {
  2325. $sessions[$row['id']] = $row;
  2326. }
  2327. }
  2328. return $sessions;
  2329. }
  2330. /**
  2331. * Gets the list of courses by session filtered by access_url
  2332. * @param int $session_id
  2333. * @param string $course_name
  2334. * @return array list of courses
  2335. */
  2336. public static function get_course_list_by_session_id($session_id, $course_name = '')
  2337. {
  2338. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2339. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2340. $session_id = intval($session_id);
  2341. // select the courses
  2342. $sql = "SELECT * FROM $tbl_course c
  2343. INNER JOIN $tbl_session_rel_course src ON c.code = src.course_code
  2344. WHERE src.id_session = '$session_id'";
  2345. if (!empty($course_name)) {
  2346. $course_name = Database::escape_string($course_name);
  2347. $sql .= " AND c.title LIKE '%$course_name%' ";
  2348. }
  2349. $sql .= "ORDER BY title;";
  2350. $result = Database::query($sql);
  2351. $num_rows = Database::num_rows($result);
  2352. $courses = array();
  2353. if ($num_rows > 0) {
  2354. while ($row = Database::fetch_array($result,'ASSOC')) {
  2355. $courses[$row['id']] = $row;
  2356. }
  2357. }
  2358. return $courses;
  2359. }
  2360. /**
  2361. * Gets the list of courses by session filtered by access_url
  2362. *
  2363. * @param $userId
  2364. * @param $sessionId
  2365. * @param null $from
  2366. * @param null $limit
  2367. * @param null $column
  2368. * @param null $direction
  2369. * @param bool $getCount
  2370. * @return array
  2371. */
  2372. public static function getAllCoursesFollowedByUser(
  2373. $userId,
  2374. $sessionId,
  2375. $from = null,
  2376. $limit = null,
  2377. $column = null,
  2378. $direction = null,
  2379. $getCount = false,
  2380. $keyword = null
  2381. ) {
  2382. if (empty($sessionId)) {
  2383. $sessionsSQL = SessionManager::get_sessions_followed_by_drh(
  2384. $userId,
  2385. null,
  2386. null,
  2387. null,
  2388. true,
  2389. true
  2390. );
  2391. } else {
  2392. $sessionsSQL = intval($sessionId);
  2393. }
  2394. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2395. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2396. if ($getCount) {
  2397. $select = "SELECT COUNT(DISTINCT(c.code)) as count ";
  2398. } else {
  2399. $select = "SELECT DISTINCT c.* ";
  2400. }
  2401. $keywordCondition = null;
  2402. if (!empty($keyword)) {
  2403. $keyword = Database::escape_string($keyword);
  2404. $keywordCondition = " AND (c.code LIKE '%$keyword%' OR c.title LIKE '%$keyword%' ) ";
  2405. }
  2406. // Select the courses
  2407. $sql = "$select
  2408. FROM $tbl_course c
  2409. INNER JOIN $tbl_session_rel_course src
  2410. ON c.code = src.course_code
  2411. WHERE
  2412. src.id_session IN ($sessionsSQL)
  2413. $keywordCondition
  2414. ";
  2415. if ($getCount) {
  2416. $result = Database::query($sql);
  2417. $row = Database::fetch_array($result,'ASSOC');
  2418. return $row['count'];
  2419. }
  2420. if (isset($from) && isset($limit)) {
  2421. $from = intval($from);
  2422. $limit = intval($limit);
  2423. $sql .= " LIMIT $from, $limit";
  2424. }
  2425. $result = Database::query($sql);
  2426. $num_rows = Database::num_rows($result);
  2427. $courses = array();
  2428. if ($num_rows > 0) {
  2429. while ($row = Database::fetch_array($result,'ASSOC')) {
  2430. $courses[$row['id']] = $row;
  2431. }
  2432. }
  2433. return $courses;
  2434. }
  2435. /**
  2436. * Gets the list of courses by session filtered by access_url
  2437. * @param int session id
  2438. * @param string course_name
  2439. * @return array list of courses
  2440. */
  2441. public static function get_course_list_by_session_id_like($session_id, $course_name = '')
  2442. {
  2443. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2444. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2445. $session_id = intval($session_id);
  2446. $course_name = Database::escape_string($course_name);
  2447. // select the courses
  2448. $sql = "SELECT * FROM $tbl_course c INNER JOIN $tbl_session_rel_course src
  2449. ON c.code = src.course_code
  2450. WHERE src.id_session LIKE '$session_id'";
  2451. if (!empty($course_name)) {
  2452. $sql .= " AND UPPER(c.title) LIKE UPPER('%$course_name%') ";
  2453. }
  2454. $sql .= "ORDER BY title;";
  2455. $result = Database::query($sql);
  2456. $num_rows = Database::num_rows($result);
  2457. $courses = array();
  2458. if ($num_rows > 0) {
  2459. while ($row = Database::fetch_array($result, 'ASSOC')) {
  2460. $courses[$row['id']] = $row;
  2461. }
  2462. }
  2463. return $courses;
  2464. }
  2465. /**
  2466. * Gets the count of courses by session filtered by access_url
  2467. * @param int session id
  2468. * @return array list of courses
  2469. */
  2470. public static function getCourseCountBySessionId($session_id, $keyword = null)
  2471. {
  2472. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  2473. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2474. // select the courses
  2475. $sql = "SELECT COUNT(c.code) count
  2476. FROM $tbl_course c
  2477. INNER JOIN $tbl_session_rel_course src
  2478. ON c.code = src.course_code
  2479. WHERE src.id_session = '$session_id' ";
  2480. $keywordCondition = null;
  2481. if (!empty($keyword)) {
  2482. $keyword = Database::escape_string($keyword);
  2483. $keywordCondition = " AND (c.code LIKE '%$keyword%' OR c.title LIKE '%$keyword%' ) ";
  2484. }
  2485. $sql .= $keywordCondition;
  2486. $result = Database::query($sql);
  2487. $num_rows = Database::num_rows($result);
  2488. if ($num_rows > 0) {
  2489. $row = Database::fetch_array($result,'ASSOC');
  2490. return $row['count'];
  2491. }
  2492. return null;
  2493. }
  2494. /**
  2495. * Get the session id based on the original id and field name in the extra fields. Returns 0 if session was not found
  2496. *
  2497. * @param string Original session id
  2498. * @param string Original field name
  2499. * @return int Session id
  2500. */
  2501. public static function get_session_id_from_original_id($original_session_id_value, $original_session_id_name)
  2502. {
  2503. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  2504. $table_field = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  2505. $sql = "SELECT session_id
  2506. FROM $table_field sf INNER JOIN $t_sfv sfv ON sfv.field_id=sf.id
  2507. WHERE field_variable='$original_session_id_name' AND field_value='$original_session_id_value'";
  2508. $res_session = Database::query($sql);
  2509. $row = Database::fetch_object($res_session);
  2510. if ($row) {
  2511. return $row->session_id;
  2512. } else {
  2513. return 0;
  2514. }
  2515. }
  2516. /**
  2517. * Get users by session
  2518. * @param int session id
  2519. * @param int filter by status coach = 2
  2520. * @return array a list with an user list
  2521. */
  2522. public static function get_users_by_session($id, $status = null)
  2523. {
  2524. if (empty($id)) {
  2525. return array();
  2526. }
  2527. $id = intval($id);
  2528. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2529. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2530. $sql = "SELECT $tbl_user.user_id, lastname, firstname, username
  2531. FROM $tbl_user INNER JOIN $tbl_session_rel_user
  2532. ON $tbl_user.user_id = $tbl_session_rel_user.id_user
  2533. AND $tbl_session_rel_user.id_session = $id";
  2534. if (isset($status) && $status != '') {
  2535. $status = intval($status);
  2536. $sql .= " WHERE relation_type = $status ";
  2537. }
  2538. $result = Database::query($sql);
  2539. while ($row = Database::fetch_array($result, 'ASSOC')) {
  2540. $return_array[] = $row;
  2541. }
  2542. return $return_array;
  2543. }
  2544. /**
  2545. * The general coach (field: session.id_coach)
  2546. * @param int user id
  2547. * @return array
  2548. */
  2549. public static function get_sessions_by_general_coach($user_id)
  2550. {
  2551. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2552. $user_id = intval($user_id);
  2553. // session where we are general coach
  2554. $sql = "SELECT DISTINCT *
  2555. FROM $session_table
  2556. WHERE id_coach = $user_id";
  2557. if (api_is_multiple_url_enabled()) {
  2558. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2559. $access_url_id = api_get_current_access_url_id();
  2560. if ($access_url_id != -1) {
  2561. $sql = 'SELECT DISTINCT session.*
  2562. FROM ' . $session_table . ' session INNER JOIN ' . $tbl_session_rel_access_url . ' session_rel_url
  2563. ON (session.id = session_rel_url.session_id)
  2564. WHERE id_coach = ' . $user_id . ' AND access_url_id = ' . $access_url_id;
  2565. }
  2566. }
  2567. $sql .= ' ORDER by name';
  2568. $result = Database::query($sql);
  2569. return Database::store_result($result, 'ASSOC');
  2570. }
  2571. /**
  2572. * @param int $user_id
  2573. * @return array
  2574. */
  2575. public static function get_sessions_by_coach($user_id)
  2576. {
  2577. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2578. return Database::select('*', $session_table, array('where' => array('id_coach = ?' => $user_id)));
  2579. }
  2580. /**
  2581. * @param int $user_id
  2582. * @param string $course_code
  2583. * @param int $session_id
  2584. * @return array|bool
  2585. */
  2586. public static function get_user_status_in_course_session($user_id, $course_code, $session_id)
  2587. {
  2588. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2589. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2590. $sql = "SELECT session_rcru.status
  2591. FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2592. WHERE session_rcru.id_user = user.user_id AND
  2593. session_rcru.id_session = '" . intval($session_id) . "' AND
  2594. session_rcru.course_code ='" . Database::escape_string($course_code) . "' AND
  2595. user.user_id = " . intval($user_id);
  2596. $result = Database::query($sql);
  2597. $status = false;
  2598. if (Database::num_rows($result)) {
  2599. $status = Database::fetch_row($result);
  2600. $status = $status['0'];
  2601. }
  2602. return $status;
  2603. }
  2604. /**
  2605. * Gets user status within a session
  2606. * @param $user_id
  2607. * @param $course_code
  2608. * @param $session_id
  2609. * @return int
  2610. * @assert (null,null,null) === false
  2611. */
  2612. public static function get_user_status_in_session($user_id, $course_code, $session_id)
  2613. {
  2614. if (empty($user_id) or empty($course_code) or empty($session_id)) {
  2615. return false;
  2616. }
  2617. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2618. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2619. $sql = "SELECT session_rcru.status
  2620. FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2621. WHERE session_rcru.id_user = user.user_id AND
  2622. session_rcru.id_session = '" . intval($session_id) . "' AND
  2623. session_rcru.course_code ='" . Database::escape_string($course_code) . "' AND
  2624. user.user_id = " . intval($user_id);
  2625. $result = Database::query($sql);
  2626. $status = false;
  2627. if (Database::num_rows($result)) {
  2628. $status = Database::fetch_row($result);
  2629. $status = $status['0'];
  2630. }
  2631. return $status;
  2632. }
  2633. /**
  2634. * @param int $id
  2635. * @return array
  2636. */
  2637. public static function get_all_sessions_by_promotion($id)
  2638. {
  2639. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  2640. return Database::select('*', $t, array('where' => array('promotion_id = ?' => $id)));
  2641. }
  2642. /**
  2643. * @param int $promotion_id
  2644. * @param array $list
  2645. */
  2646. public static function suscribe_sessions_to_promotion($promotion_id, $list)
  2647. {
  2648. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  2649. $params = array();
  2650. $params['promotion_id'] = 0;
  2651. Database::update($t, $params, array('promotion_id = ?' => $promotion_id));
  2652. $params['promotion_id'] = $promotion_id;
  2653. if (!empty($list)) {
  2654. foreach ($list as $session_id) {
  2655. $session_id = intval($session_id);
  2656. Database::update($t, $params, array('id = ?' => $session_id));
  2657. }
  2658. }
  2659. }
  2660. /**
  2661. * Updates a session status
  2662. * @param int session id
  2663. * @param int status
  2664. */
  2665. public static function set_session_status($session_id, $status)
  2666. {
  2667. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  2668. $params['visibility'] = $status;
  2669. Database::update($t, $params, array('id = ?' => $session_id));
  2670. }
  2671. /**
  2672. * Copies a session with the same data to a new session.
  2673. * The new copy is not assigned to the same promotion. @see suscribe_sessions_to_promotions() for that
  2674. * @param int Session ID
  2675. * @param bool Whether to copy the relationship with courses
  2676. * @param bool Whether to copy the relationship with users
  2677. * @param bool New courses will be created
  2678. * @return int The new session ID on success, 0 otherwise
  2679. * @todo make sure the extra session fields are copied too
  2680. */
  2681. public static function copy_session($id, $copy_courses = true, $copy_users = true, $create_new_courses = false, $set_exercises_lp_invisible = false)
  2682. {
  2683. $id = intval($id);
  2684. $s = self::fetch($id);
  2685. $s['year_start'] = substr($s['date_start'], 0, 4);
  2686. $s['month_start'] = substr($s['date_start'], 5, 2);
  2687. $s['day_start'] = substr($s['date_start'], 8, 2);
  2688. $s['year_end'] = substr($s['date_end'], 0, 4);
  2689. $s['month_end'] = substr($s['date_end'], 5, 2);
  2690. $s['day_end'] = substr($s['date_end'], 8, 2);
  2691. $consider_start = true;
  2692. if ($s['year_start'] . '-' . $s['month_start'] . '-' . $s['day_start'] == '0000-00-00') {
  2693. $consider_start = false;
  2694. }
  2695. $consider_end = true;
  2696. if ($s['year_end'] . '-' . $s['month_end'] . '-' . $s['day_end'] == '0000-00-00') {
  2697. $consider_end = false;
  2698. }
  2699. $sid = self::create_session($s['name'] . ' ' . get_lang('CopyLabelSuffix'), $s['year_start'], $s['month_start'], $s['day_start'], $s['year_end'], $s['month_end'], $s['day_end'], $s['nb_days_acess_before_beginning'], $s['nb_days_acess_after_end'], false, (int) $s['id_coach'], $s['session_category_id'], (int) $s['visibility'], $consider_start, $consider_end, true);
  2700. if (!is_numeric($sid) || empty($sid)) {
  2701. return false;
  2702. }
  2703. if ($copy_courses) {
  2704. // Register courses from the original session to the new session
  2705. $courses = self::get_course_list_by_session_id($id);
  2706. $short_courses = $new_short_courses = array();
  2707. if (is_array($courses) && count($courses) > 0) {
  2708. foreach ($courses as $course) {
  2709. $short_courses[] = $course;
  2710. }
  2711. }
  2712. $courses = null;
  2713. //We will copy the current courses of the session to new courses
  2714. if (!empty($short_courses)) {
  2715. if ($create_new_courses) {
  2716. //Just in case
  2717. if (function_exists('ini_set')) {
  2718. api_set_memory_limit('256M');
  2719. ini_set('max_execution_time', 0);
  2720. }
  2721. $params = array();
  2722. $params['skip_lp_dates'] = true;
  2723. foreach ($short_courses as $course_data) {
  2724. $course_info = CourseManager::copy_course_simple($course_data['title'] . ' ' . get_lang('CopyLabelSuffix'), $course_data['course_code'], $id, $sid, $params);
  2725. if ($course_info) {
  2726. //By default new elements are invisible
  2727. if ($set_exercises_lp_invisible) {
  2728. require_once api_get_path(SYS_CODE_PATH) . 'newscorm/learnpathList.class.php';
  2729. $list = new LearnpathList('', $course_info['code'], $sid);
  2730. $flat_list = $list->get_flat_list();
  2731. if (!empty($flat_list)) {
  2732. foreach ($flat_list as $lp_id => $data) {
  2733. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0, 0, 0, 0, $sid);
  2734. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0, 0, 0, 0);
  2735. }
  2736. }
  2737. $quiz_table = Database::get_course_table(TABLE_QUIZ_TEST);
  2738. $course_id = $course_info['real_id'];
  2739. //@todo check this query
  2740. $sql = "UPDATE $quiz_table SET active = 0 WHERE c_id = $course_id ";
  2741. $result = Database::query($sql);
  2742. }
  2743. $new_short_courses[] = $course_info['code'];
  2744. }
  2745. }
  2746. } else {
  2747. foreach ($short_courses as $course_data) {
  2748. $new_short_courses[] = $course_data['code'];
  2749. }
  2750. }
  2751. $short_courses = $new_short_courses;
  2752. self::add_courses_to_session($sid, $short_courses, true);
  2753. $short_courses = null;
  2754. }
  2755. }
  2756. if ($copy_users) {
  2757. // Register users from the original session to the new session
  2758. $users = self::get_users_by_session($id);
  2759. $short_users = array();
  2760. if (is_array($users) && count($users) > 0) {
  2761. foreach ($users as $user) {
  2762. $short_users[] = $user['user_id'];
  2763. }
  2764. }
  2765. $users = null;
  2766. //Subscribing in read only mode
  2767. self::suscribe_users_to_session($sid, $short_users, SESSION_VISIBLE_READ_ONLY, true, false);
  2768. $short_users = null;
  2769. }
  2770. return $sid;
  2771. }
  2772. /**
  2773. * @param int $user_id
  2774. * @param int $session_id
  2775. * @return bool
  2776. */
  2777. static function user_is_general_coach($user_id, $session_id)
  2778. {
  2779. $session_id = intval($session_id);
  2780. $user_id = intval($user_id);
  2781. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2782. $sql = "SELECT DISTINCT id
  2783. FROM $session_table
  2784. WHERE session.id_coach = '" . $user_id . "' AND id = '$session_id'";
  2785. $result = Database::query($sql);
  2786. if ($result && Database::num_rows($result)) {
  2787. return true;
  2788. }
  2789. return false;
  2790. }
  2791. /**
  2792. * Get the number of sessions
  2793. * @param int ID of the URL we want to filter on (optional)
  2794. * @return int Number of sessions
  2795. */
  2796. public static function count_sessions($access_url_id = null)
  2797. {
  2798. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2799. $access_url_rel_session_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2800. $sql = "SELECT count(id) FROM $session_table s";
  2801. if (!empty($access_url_id) && $access_url_id == intval($access_url_id)) {
  2802. $sql .= ", $access_url_rel_session_table u " .
  2803. " WHERE s.id = u.session_id AND u.access_url_id = $access_url_id";
  2804. }
  2805. $res = Database::query($sql);
  2806. $row = Database::fetch_row($res);
  2807. return $row[0];
  2808. }
  2809. /**
  2810. * @param int $id
  2811. */
  2812. static function protect_session_edit($id)
  2813. {
  2814. api_protect_admin_script(true);
  2815. $session_info = self::fetch($id);
  2816. if (!api_is_platform_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') != 'true') {
  2817. if ($session_info['session_admin_id'] != api_get_user_id()) {
  2818. api_not_allowed(true);
  2819. }
  2820. }
  2821. }
  2822. static function protect_teacher_session_edit($id) {
  2823. if (!api_is_coach($id) && !api_is_platform_admin()) {
  2824. api_not_allowed(true);
  2825. } else {
  2826. return true;
  2827. }
  2828. }
  2829. /**
  2830. * @param string $course_code
  2831. * @return array
  2832. */
  2833. public static function get_session_by_course($course_code)
  2834. {
  2835. $table_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2836. $table_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2837. $course_code = Database::escape_string($course_code);
  2838. $sql = "SELECT name, s.id
  2839. FROM $table_session_course sc INNER JOIN $table_session s ON (sc.id_session = s.id)
  2840. WHERE sc.course_code = '$course_code' ";
  2841. $result = Database::query($sql);
  2842. return Database::store_result($result);
  2843. }
  2844. /**
  2845. * @param int $user_id
  2846. * @param bool $ignore_visibility_for_admins
  2847. * @return array
  2848. */
  2849. public static function get_sessions_by_user($user_id, $ignore_visibility_for_admins = false)
  2850. {
  2851. $session_categories = UserManager::get_sessions_by_category($user_id, false, $ignore_visibility_for_admins);
  2852. $session_array = array();
  2853. if (!empty($session_categories)) {
  2854. foreach ($session_categories as $category) {
  2855. if (isset($category['sessions'])) {
  2856. foreach ($category['sessions'] as $session) {
  2857. $session_array[] = $session;
  2858. }
  2859. }
  2860. }
  2861. }
  2862. return $session_array;
  2863. }
  2864. /**
  2865. * @param string $file
  2866. * @param bool $updateSession options:
  2867. * true: if the session exists it will be updated.
  2868. * false: if session exists a new session will be created adding a counter session1, session2, etc
  2869. * @param int $defaultUserId
  2870. * @param mixed $logger
  2871. * @param array $extraFields convert a file row to an extra field. Example in CSV file there's a SessionID then it will
  2872. * converted to extra_external_session_id if you set this: array('SessionId' => 'extra_external_session_id')
  2873. * @param string $extraFieldId
  2874. * @param int $daysCoachAccessBeforeBeginning
  2875. * @param int $daysCoachAccessAfterBeginning
  2876. * @param int $sessionVisibility
  2877. * @param array $fieldsToAvoidUpdate
  2878. * @param bool $deleteUsersNotInList
  2879. * @param bool $updateCourseCoaches
  2880. * @param bool $sessionWithCoursesModifier
  2881. * @return array
  2882. */
  2883. static function importCSV(
  2884. $file,
  2885. $updateSession,
  2886. $defaultUserId = null,
  2887. $logger = null,
  2888. $extraFields = array(),
  2889. $extraFieldId = null,
  2890. $daysCoachAccessBeforeBeginning = null,
  2891. $daysCoachAccessAfterBeginning = null,
  2892. $sessionVisibility = 1,
  2893. $fieldsToAvoidUpdate = array(),
  2894. $deleteUsersNotInList = false,
  2895. $updateCourseCoaches = false,
  2896. $sessionWithCoursesModifier = false
  2897. ) {
  2898. $content = file($file);
  2899. $error_message = null;
  2900. $session_counter = 0;
  2901. if (empty($defaultUserId)) {
  2902. $defaultUserId = api_get_user_id();
  2903. }
  2904. $eol = PHP_EOL;
  2905. if (PHP_SAPI != 'cli') {
  2906. $eol = '<br />';
  2907. }
  2908. $debug = false;
  2909. if (isset($logger)) {
  2910. $debug = true;
  2911. }
  2912. $extraParameters = null;
  2913. if (!empty($daysCoachAccessBeforeBeginning) && !empty($daysCoachAccessAfterBeginning)) {
  2914. $extraParameters .= ' , nb_days_access_before_beginning = '.intval($daysCoachAccessBeforeBeginning);
  2915. $extraParameters .= ' , nb_days_access_after_end = '.intval($daysCoachAccessAfterBeginning);
  2916. }
  2917. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2918. $tbl_session_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2919. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2920. $tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2921. $sessions = array();
  2922. if (!api_strstr($content[0], ';')) {
  2923. $error_message = get_lang('NotCSV');
  2924. } else {
  2925. $tag_names = array();
  2926. foreach ($content as $key => $enreg) {
  2927. $enreg = explode(';', trim($enreg));
  2928. if ($key) {
  2929. foreach ($tag_names as $tag_key => $tag_name) {
  2930. $sessions[$key - 1][$tag_name] = $enreg[$tag_key];
  2931. }
  2932. } else {
  2933. foreach ($enreg as $tag_name) {
  2934. $tag_names[] = api_preg_replace('/[^a-zA-Z0-9_\-]/', '', $tag_name);
  2935. }
  2936. if (!in_array('SessionName', $tag_names) || !in_array('DateStart', $tag_names) || !in_array('DateEnd', $tag_names)) {
  2937. $error_message = get_lang('NoNeededData');
  2938. break;
  2939. }
  2940. }
  2941. }
  2942. $sessionList = array();
  2943. // Looping the sessions.
  2944. foreach ($sessions as $enreg) {
  2945. $user_counter = 0;
  2946. $course_counter = 0;
  2947. if (isset($extraFields) && !empty($extraFields)) {
  2948. foreach ($extraFields as $original => $to) {
  2949. $enreg[$to] = isset($enreg[$original]) ? $enreg[$original] : null;
  2950. }
  2951. }
  2952. $session_name = Database::escape_string($enreg['SessionName']);
  2953. if (empty($session_name)) {
  2954. continue;
  2955. }
  2956. $date_start = $enreg['DateStart'];
  2957. $date_end = $enreg['DateEnd'];
  2958. $visibility = isset($enreg['Visibility']) ? $enreg['Visibility'] : $sessionVisibility;
  2959. $session_category_id = isset($enreg['SessionCategory']) ? $enreg['SessionCategory'] : null;
  2960. $sessionDescription = isset($enreg['SessionDescription']) ? $enreg['SessionDescription'] : null;
  2961. $extraSessionParameters = null;
  2962. if (!empty($sessionDescription)) {
  2963. $extraSessionParameters = " , description = '".Database::escape_string($sessionDescription)."'";
  2964. }
  2965. // Searching a general coach.
  2966. if (!empty($enreg['Coach'])) {
  2967. $coach_id = UserManager::get_user_id_from_username($enreg['Coach']);
  2968. if ($coach_id === false) {
  2969. // If the coach-user does not exist - I'm the coach.
  2970. $coach_id = $defaultUserId;
  2971. }
  2972. } else {
  2973. $coach_id = $defaultUserId;
  2974. }
  2975. if (!$updateSession) {
  2976. // Always create a session.
  2977. $unique_name = false;
  2978. $i = 0;
  2979. // Change session name, verify that session doesn't exist.
  2980. $suffix = null;
  2981. while (!$unique_name) {
  2982. if ($i > 1) {
  2983. $suffix = ' - ' . $i;
  2984. }
  2985. $sql = 'SELECT 1 FROM ' . $tbl_session . ' WHERE name="' . $session_name . $suffix . '"';
  2986. $rs = Database::query($sql);
  2987. if (Database::result($rs, 0, 0)) {
  2988. $i++;
  2989. } else {
  2990. $unique_name = true;
  2991. $session_name .= $suffix;
  2992. }
  2993. }
  2994. // Creating the session.
  2995. $sql = "INSERT IGNORE INTO $tbl_session SET
  2996. name = '" . $session_name . "',
  2997. id_coach = '$coach_id',
  2998. date_start = '$date_start',
  2999. date_end = '$date_end',
  3000. visibility = '$visibility',
  3001. session_category_id = '$session_category_id',
  3002. session_admin_id = " . intval($defaultUserId) . $extraParameters . $extraSessionParameters;
  3003. Database::query($sql);
  3004. $session_id = Database::insert_id();
  3005. if ($debug) {
  3006. if ($session_id) {
  3007. foreach ($enreg as $key => $value) {
  3008. if (substr($key, 0, 6) == 'extra_') { //an extra field
  3009. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  3010. }
  3011. }
  3012. $logger->addInfo("Sessions - Session created: #$session_id - $session_name");
  3013. } else {
  3014. $logger->addError("Sessions - Session NOT created: $session_name");
  3015. }
  3016. }
  3017. $session_counter++;
  3018. } else {
  3019. $sessionId = null;
  3020. if (isset($extraFields) && !empty($extraFields) && !empty($enreg['extra_'.$extraFieldId])) {
  3021. $sessionId = self::get_session_id_from_original_id($enreg['extra_'.$extraFieldId], $extraFieldId);
  3022. if (empty($sessionId)) {
  3023. $my_session_result = false;
  3024. } else {
  3025. $my_session_result = true;
  3026. }
  3027. } else {
  3028. $my_session_result = self::get_session_by_name($enreg['SessionName']);
  3029. }
  3030. if ($my_session_result === false) {
  3031. // Creating a session.
  3032. $sql_session = "INSERT IGNORE INTO $tbl_session SET
  3033. name = '$session_name',
  3034. id_coach = '$coach_id',
  3035. date_start = '$date_start',
  3036. date_end = '$date_end',
  3037. visibility = '$visibility',
  3038. session_category_id = '$session_category_id' " . $extraParameters . $extraSessionParameters;
  3039. Database::query($sql_session);
  3040. // We get the last insert id.
  3041. $my_session_result = SessionManager::get_session_by_name($enreg['SessionName']);
  3042. $session_id = $my_session_result['id'];
  3043. if ($session_id) {
  3044. if ($session_id) {
  3045. foreach ($enreg as $key => $value) {
  3046. if (substr($key, 0, 6) == 'extra_') { //an extra field
  3047. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  3048. }
  3049. }
  3050. if ($debug) {
  3051. $logger->addInfo("Sessions - #$session_id created: $session_name");
  3052. }
  3053. } else {
  3054. if ($debug) {
  3055. $logger->addError("Sessions - Session NOT created: $session_name");
  3056. }
  3057. }
  3058. // Delete session-user relation only for students
  3059. $sql = "DELETE FROM $tbl_session_user
  3060. WHERE id_session = '$session_id' AND relation_type <> " . SESSION_RELATION_TYPE_RRHH;
  3061. Database::query($sql);
  3062. $sql = "DELETE FROM $tbl_session_course WHERE id_session = '$session_id'";
  3063. Database::query($sql);
  3064. // Delete session-course-user relationships students and coaches.
  3065. if ($updateCourseCoaches) {
  3066. $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status in ('0', '2')";
  3067. Database::query($sql);
  3068. } else {
  3069. // Delete session-course-user relation ships *only* for students.
  3070. $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status <> 2";
  3071. Database::query($sql);
  3072. }
  3073. }
  3074. } else {
  3075. // Updating the session.
  3076. $params = array(
  3077. 'id_coach' => $coach_id,
  3078. 'date_start' => $date_start,
  3079. 'date_end' => $date_end,
  3080. 'visibility' => $visibility,
  3081. 'session_category_id' => $session_category_id
  3082. );
  3083. if (!empty($sessionDescription)) {
  3084. $params['description'] = $sessionDescription;
  3085. }
  3086. if (!empty($fieldsToAvoidUpdate)) {
  3087. foreach ($fieldsToAvoidUpdate as $field) {
  3088. unset($params[$field]);
  3089. }
  3090. }
  3091. if (isset($sessionId) && !empty($sessionId)) {
  3092. Database::update($tbl_session, $params, array('id = ?' => $sessionId));
  3093. $session_id = $sessionId;
  3094. } else {
  3095. Database::update($tbl_session, $params, array("name = '?' " => $enreg['SessionName']));
  3096. $row = Database::query("SELECT id FROM $tbl_session WHERE name = '$session_name'");
  3097. list($session_id) = Database::fetch_array($row);
  3098. }
  3099. if ($session_id) {
  3100. foreach ($enreg as $key => $value) {
  3101. if (substr($key, 0, 6) == 'extra_') { //an extra field
  3102. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  3103. }
  3104. }
  3105. // Delete session-user relation only for students
  3106. $sql = "DELETE FROM $tbl_session_user
  3107. WHERE id_session = '$session_id' AND relation_type <> " . SESSION_RELATION_TYPE_RRHH;
  3108. Database::query($sql);
  3109. $sql = "DELETE FROM $tbl_session_course WHERE id_session = '$session_id'";
  3110. Database::query($sql);
  3111. // Delete session-course-user relationships students and coaches.
  3112. if ($updateCourseCoaches) {
  3113. $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status in ('0', '2')";
  3114. Database::query($sql);
  3115. } else {
  3116. // Delete session-course-user relation ships *only* for students.
  3117. $sql = "DELETE FROM $tbl_session_course_user WHERE id_session = '$session_id' AND status <> 2";
  3118. Database::query($sql);
  3119. }
  3120. }
  3121. }
  3122. $session_counter++;
  3123. }
  3124. $sessionList[] = $session_id;
  3125. $users = explode('|', $enreg['Users']);
  3126. // Adding the relationship "Session - User" for students
  3127. $userList = array();
  3128. if (is_array($users)) {
  3129. foreach ($users as $user) {
  3130. $user_id = UserManager::get_user_id_from_username($user);
  3131. if ($user_id !== false) {
  3132. $userList[] = $user_id;
  3133. // Insert new users.
  3134. $sql = "INSERT IGNORE INTO $tbl_session_user SET
  3135. id_user = '$user_id',
  3136. id_session = '$session_id'";
  3137. Database::query($sql);
  3138. if ($debug) {
  3139. $logger->addInfo("Sessions - Adding User #$user_id ($user) to session #$session_id");
  3140. }
  3141. $user_counter++;
  3142. }
  3143. }
  3144. }
  3145. if ($deleteUsersNotInList) {
  3146. // Getting user in DB in order to compare to the new list.
  3147. $usersListInDatabase = self::get_users_by_session($session_id, 0);
  3148. if (!empty($usersListInDatabase)) {
  3149. if (empty($userList)) {
  3150. foreach ($usersListInDatabase as $userInfo) {
  3151. self::unsubscribe_user_from_session($session_id, $userInfo['user_id']);
  3152. }
  3153. } else {
  3154. foreach ($usersListInDatabase as $userInfo) {
  3155. if (!in_array($userInfo['user_id'], $userList)) {
  3156. self::unsubscribe_user_from_session($session_id, $userInfo['user_id']);
  3157. }
  3158. }
  3159. }
  3160. }
  3161. }
  3162. $courses = explode('|', $enreg['Courses']);
  3163. // See BT#6449
  3164. $onlyAddFirstCoachOrTeacher = false;
  3165. $removeAllTeachersFromCourse = false;
  3166. if ($sessionWithCoursesModifier) {
  3167. if (count($courses) >= 2) {
  3168. // Only first teacher in course session;
  3169. $onlyAddFirstCoachOrTeacher = true;
  3170. // Remove all teachers from course.
  3171. $removeAllTeachersFromCourse = true;
  3172. }
  3173. }
  3174. foreach ($courses as $course) {
  3175. $courseArray = bracketsToArray($course);
  3176. $course_code = $courseArray[0];
  3177. if (CourseManager::course_exists($course_code)) {
  3178. $courseInfo = api_get_course_info($course_code);
  3179. // Adding the course to a session.
  3180. $sql_course = "INSERT IGNORE INTO $tbl_session_course
  3181. SET course_code = '$course_code', id_session='$session_id'";
  3182. Database::query($sql_course);
  3183. $course_info = api_get_course_info($course_code);
  3184. SessionManager::installCourse($session_id, $course_info['real_id']);
  3185. if ($debug) {
  3186. $logger->addInfo("Sessions - Adding course '$course_code' to session #$session_id");
  3187. }
  3188. $course_counter++;
  3189. $course_coaches = isset($courseArray[1]) ? $courseArray[1] : null;
  3190. $course_users = isset($courseArray[2]) ? $courseArray[2] : null;
  3191. $course_users = explode(',', $course_users);
  3192. $course_coaches = explode(',', $course_coaches);
  3193. // Checking if the flag is set TeachersWillBeAddedAsCoachInAllCourseSessions (course_edit.php)
  3194. $addTeachersToSession = true;
  3195. if (array_key_exists('add_teachers_to_sessions_courses', $courseInfo)) {
  3196. $addTeachersToSession = $courseInfo['add_teachers_to_sessions_courses'];
  3197. }
  3198. // If any user provided for a course, use the users array.
  3199. if (empty($course_users)) {
  3200. if (!empty($userList)) {
  3201. SessionManager::subscribe_users_to_session_course($userList, $session_id, $course_code);
  3202. if ($debug) {
  3203. $msg = "Sessions - Adding student list ".implode(', #', $userList)." to course: '$course_code' and session #$session_id";
  3204. $logger->addInfo($msg);
  3205. }
  3206. }
  3207. }
  3208. // Adding coaches to session course user.
  3209. if (!empty($course_coaches)) {
  3210. $savedCoaches = array();
  3211. // only edit if add_teachers_to_sessions_courses is set.
  3212. if ($addTeachersToSession) {
  3213. // Adding course teachers as course session teachers.
  3214. $alreadyAddedTeachers = CourseManager::get_teacher_list_from_course_code($course_code);
  3215. if (!empty($alreadyAddedTeachers)) {
  3216. $teachersToAdd = array();
  3217. foreach ($alreadyAddedTeachers as $user) {
  3218. $teachersToAdd[] = $user['username'];
  3219. }
  3220. $course_coaches = array_merge($course_coaches, $teachersToAdd);
  3221. }
  3222. foreach ($course_coaches as $course_coach) {
  3223. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3224. if ($coach_id !== false) {
  3225. // Just insert new coaches
  3226. SessionManager::updateCoaches($session_id, $course_code, array($coach_id), false);
  3227. if ($debug) {
  3228. $logger->addInfo("Sessions - Adding course coach: user #$coach_id ($course_coach) to course: '$course_code' and session #$session_id");
  3229. }
  3230. $savedCoaches[] = $coach_id;
  3231. } else {
  3232. $error_message .= get_lang('UserDoesNotExist').' : '.$course_coach.$eol;
  3233. }
  3234. }
  3235. }
  3236. // Custom courses/session coaches
  3237. $teacherToAdd = null;
  3238. if ($onlyAddFirstCoachOrTeacher == true) {
  3239. foreach ($course_coaches as $course_coach) {
  3240. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3241. if ($coach_id !== false) {
  3242. $teacherToAdd = $coach_id;
  3243. break;
  3244. }
  3245. }
  3246. if (!empty($teacherToAdd)) {
  3247. SessionManager::updateCoaches($session_id, $course_code, array($teacherToAdd), true);
  3248. }
  3249. }
  3250. if ($removeAllTeachersFromCourse && !empty($teacherToAdd)) {
  3251. // Deleting all course teachers and adding the only coach as teacher.
  3252. $teacherList = CourseManager::get_teacher_list_from_course_code($course_code);
  3253. if (!empty($teacherList)) {
  3254. foreach ($teacherList as $teacher) {
  3255. CourseManager::unsubscribe_user($teacher['user_id'], $course_code);
  3256. }
  3257. }
  3258. CourseManager::subscribe_user($teacherToAdd, $course_code, COURSEMANAGER);
  3259. }
  3260. // Continue default behaviour.
  3261. if ($onlyAddFirstCoachOrTeacher == false) {
  3262. // Checking one more time see BT#6449#note-149
  3263. $coaches = SessionManager::getCoachesByCourseSession($session_id, $course_code);
  3264. if (empty($coaches)) {
  3265. foreach ($course_coaches as $course_coach) {
  3266. $course_coach = trim($course_coach);
  3267. $coach_id = UserManager::get_user_id_from_username($course_coach);
  3268. if ($coach_id !== false) {
  3269. // Just insert new coaches
  3270. SessionManager::updateCoaches($session_id, $course_code, array($coach_id), false);
  3271. if ($debug) {
  3272. $logger->addInfo("Sessions - Adding course coach: user #$coach_id ($course_coach) to course: '$course_code' and session #$session_id");
  3273. }
  3274. $savedCoaches[] = $coach_id;
  3275. } else {
  3276. $error_message .= get_lang('UserDoesNotExist').' : '.$course_coach.$eol;
  3277. }
  3278. }
  3279. }
  3280. }
  3281. }
  3282. // Adding Students, updating relationship "Session - Course - User".
  3283. if (!empty($course_users)) {
  3284. foreach ($course_users as $user) {
  3285. $user_id = UserManager::get_user_id_from_username($user);
  3286. if ($user_id !== false) {
  3287. SessionManager::subscribe_users_to_session_course(array($user_id), $session_id, $course_code);
  3288. if ($debug) {
  3289. $logger->addInfo("Sessions - Adding student: user #$user_id ($user) to course: '$course_code' and session #$session_id");
  3290. }
  3291. } else {
  3292. $error_message .= get_lang('UserDoesNotExist').': '.$user.$eol;
  3293. }
  3294. }
  3295. }
  3296. $course_info = CourseManager::get_course_information($course_code);
  3297. $inserted_in_course[$course_code] = $course_info['title'];
  3298. }
  3299. }
  3300. $access_url_id = api_get_current_access_url_id();
  3301. UrlManager::add_session_to_url($session_id, $access_url_id);
  3302. $sql_update_users = "UPDATE $tbl_session SET nbr_users = '$user_counter', nbr_courses = '$course_counter' WHERE id = '$session_id'";
  3303. Database::query($sql_update_users);
  3304. }
  3305. }
  3306. return array(
  3307. 'error_message' => $error_message,
  3308. 'session_counter' => $session_counter,
  3309. 'session_list' => $sessionList
  3310. );
  3311. }
  3312. /**
  3313. * @param int $sessionId
  3314. * @param string $courseCode
  3315. * @return array
  3316. */
  3317. public static function getCoachesByCourseSession($sessionId, $courseCode)
  3318. {
  3319. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3320. $sessionId = intval($sessionId);
  3321. $courseCode = Database::escape_string($courseCode);
  3322. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user WHERE id_session = '$sessionId' AND course_code = '$courseCode' AND status = 2";
  3323. $result = Database::query($sql);
  3324. $coaches = array();
  3325. if (Database::num_rows($result) > 0) {
  3326. while ($row = Database::fetch_row($result)) {
  3327. $coaches[] = $row[0];
  3328. }
  3329. }
  3330. return $coaches;
  3331. }
  3332. /**
  3333. * Get all coaches added in the session - course relationship
  3334. * @param int $sessionId
  3335. * @return array
  3336. */
  3337. public static function getCoachesBySession($sessionId)
  3338. {
  3339. $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3340. $sessionId = intval($sessionId);
  3341. $sql = "SELECT DISTINCT id_user FROM $table
  3342. WHERE id_session = '$sessionId' AND status = 2";
  3343. $result = Database::query($sql);
  3344. $coaches = array();
  3345. if (Database::num_rows($result) > 0) {
  3346. while ($row = Database::fetch_array($result)) {
  3347. $coaches[] = $row['id_user'];
  3348. }
  3349. }
  3350. return $coaches;
  3351. }
  3352. /**
  3353. * @param int $userId
  3354. * @return array
  3355. */
  3356. public static function getAllCoursesFromAllSessionFromDrh($userId)
  3357. {
  3358. $sessions = SessionManager::get_sessions_followed_by_drh($userId);
  3359. $coursesFromSession = array();
  3360. if (!empty($sessions)) {
  3361. foreach ($sessions as $session) {
  3362. $courseList = SessionManager::get_course_list_by_session_id($session['id']);
  3363. foreach ($courseList as $course) {
  3364. $coursesFromSession[] = $course['code'];
  3365. }
  3366. }
  3367. }
  3368. return $coursesFromSession;
  3369. }
  3370. /**
  3371. * @param string $status
  3372. * @param int $userId
  3373. * @param bool $getCount
  3374. * @param int $from
  3375. * @param int $numberItems
  3376. * @param int $column
  3377. * @param string $direction
  3378. * @param string $keyword
  3379. * @param string $active
  3380. * @param string $lastConnectionDate
  3381. * @param array $sessionIdList
  3382. * @param array $studentIdList
  3383. * @param int $filterByStatus
  3384. * @return array|int
  3385. */
  3386. public static function getAllUsersFromCoursesFromAllSessionFromStatus(
  3387. $status,
  3388. $userId,
  3389. $getCount = false,
  3390. $from = null,
  3391. $numberItems = null,
  3392. $column = 1,
  3393. $direction = 'asc',
  3394. $keyword = null,
  3395. $active = null,
  3396. $lastConnectionDate = null,
  3397. $sessionIdList = array(),
  3398. $studentIdList = array(),
  3399. $filterByStatus = null
  3400. ) {
  3401. $filterByStatus = intval($filterByStatus);
  3402. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  3403. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  3404. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  3405. $tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  3406. $tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
  3407. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  3408. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  3409. $direction = in_array(strtolower($direction), array('asc', 'desc')) ? $direction : 'asc';
  3410. $column = Database::escape_string($column);
  3411. $userId = intval($userId);
  3412. $limitCondition = null;
  3413. if (isset($from) && isset($numberItems)) {
  3414. $from = intval($from);
  3415. $numberItems = intval($numberItems);
  3416. $limitCondition = "LIMIT $from, $numberItems";
  3417. }
  3418. $urlId = api_get_current_access_url_id();
  3419. $sessionConditions = null;
  3420. $courseConditions = null;
  3421. $userConditions = null;
  3422. if (isset($active)) {
  3423. $active = intval($active);
  3424. $userConditions .= " AND active = $active";
  3425. }
  3426. switch ($status) {
  3427. case 'drh':
  3428. // Classic DRH
  3429. if (empty($studentIdList)) {
  3430. $studentListSql = UserManager::get_users_followed_by_drh(
  3431. $userId,
  3432. $filterByStatus,
  3433. true,
  3434. false
  3435. );
  3436. $studentIdList = array_keys($studentListSql);
  3437. $studentListSql = "'".implode("','", $studentIdList)."'";
  3438. } else {
  3439. $studentIdList = array_map('intval', $studentIdList);
  3440. $studentListSql = "'".implode("','", $studentIdList)."'";
  3441. }
  3442. if (!empty($studentListSql)) {
  3443. $userConditions = " AND u.user_id IN (".$studentListSql.") ";
  3444. }
  3445. break;
  3446. case 'drh_all':
  3447. // Show all by DRH
  3448. if (empty($sessionIdList)) {
  3449. $sessionsListSql = SessionManager::get_sessions_followed_by_drh(
  3450. $userId,
  3451. null,
  3452. null,
  3453. false,
  3454. true,
  3455. true
  3456. );
  3457. } else {
  3458. $sessionIdList = array_map('intval', $sessionIdList);
  3459. $sessionsListSql = "'".implode("','", $sessionIdList)."'";
  3460. }
  3461. if (!empty($sessionsListSql)) {
  3462. $sessionConditions = " AND s.id IN (".$sessionsListSql.") ";
  3463. }
  3464. break;
  3465. case 'session_admin';
  3466. $sessionConditions = " AND s.id_coach = $userId ";
  3467. break;
  3468. case 'admin':
  3469. break;
  3470. case 'teacher':
  3471. $sessionConditions = " AND s.id_coach = $userId ";
  3472. // $statusConditions = " AND s.id_coach = $userId";
  3473. break;
  3474. }
  3475. $select = "SELECT DISTINCT u.* ";
  3476. $masterSelect = "SELECT DISTINCT * FROM ";
  3477. if ($getCount) {
  3478. $select = "SELECT DISTINCT u.user_id ";
  3479. $masterSelect = "SELECT COUNT(DISTINCT(user_id)) as count FROM ";
  3480. }
  3481. if (!empty($filterByStatus)) {
  3482. $userConditions .= " AND u.status = ".$filterByStatus;
  3483. }
  3484. if (!empty($lastConnectionDate)) {
  3485. $lastConnectionDate = Database::escape_string($lastConnectionDate);
  3486. $userConditions .= " AND u.last_login <= '$lastConnectionDate' ";
  3487. }
  3488. if (!empty($keyword)) {
  3489. $keyword = Database::escape_string($keyword);
  3490. $userConditions .= " AND (
  3491. u.username LIKE '%$keyword%' OR
  3492. u.firstname LIKE '%$keyword%' OR
  3493. u.lastname LIKE '%$keyword%' OR
  3494. u.official_code LIKE '%$keyword%' OR
  3495. u.email LIKE '%$keyword%'
  3496. )";
  3497. }
  3498. $where = " WHERE
  3499. access_url_id = $urlId
  3500. $userConditions
  3501. ";
  3502. $sql = "$masterSelect (
  3503. ($select
  3504. FROM $tbl_session s
  3505. INNER JOIN $tbl_session_rel_course_rel_user su ON (s.id = su.id_session)
  3506. INNER JOIN $tbl_user u ON (u.user_id = su.id_user AND s.id = id_session)
  3507. INNER JOIN $tbl_session_rel_access_url url ON (url.session_id = s.id)
  3508. $where
  3509. $sessionConditions
  3510. )
  3511. UNION (
  3512. $select
  3513. FROM $tbl_course c
  3514. INNER JOIN $tbl_course_user cu ON (cu.course_code = c.code)
  3515. INNER JOIN $tbl_user u ON (u.user_id = cu.user_id)
  3516. INNER JOIN $tbl_course_rel_access_url url ON (url.course_code = c.code)
  3517. $where
  3518. $courseConditions
  3519. )
  3520. ) as t1
  3521. ";
  3522. if ($getCount) {
  3523. ///var_dump($sql);
  3524. $result = Database::query($sql);
  3525. $count = 0;
  3526. if (Database::num_rows($result)) {
  3527. $rows = Database::fetch_array($result);
  3528. $count = $rows['count'];
  3529. }
  3530. return $count;
  3531. }
  3532. if (!empty($column) && !empty($direction)) {
  3533. $column = str_replace('u.', '', $column);
  3534. $sql .= " ORDER BY $column $direction ";
  3535. }
  3536. $sql .= $limitCondition;
  3537. $result = Database::query($sql);
  3538. $result = Database::store_result($result);
  3539. return $result ;
  3540. }
  3541. /**
  3542. * @param int $sessionId
  3543. * @param string $courseCode
  3544. * @param array $coachList
  3545. * @param bool $deleteCoachesNotInList
  3546. */
  3547. public static function updateCoaches($sessionId, $courseCode, $coachList, $deleteCoachesNotInList = false)
  3548. {
  3549. $currentCoaches = self::getCoachesByCourseSession($sessionId, $courseCode);
  3550. if (!empty($coachList)) {
  3551. foreach ($coachList as $userId) {
  3552. self::set_coach_to_course_session($userId, $sessionId, $courseCode);
  3553. }
  3554. }
  3555. if ($deleteCoachesNotInList) {
  3556. if (!empty($coachList)) {
  3557. $coachesToDelete = array_diff($currentCoaches, $coachList);
  3558. } else {
  3559. $coachesToDelete = $currentCoaches;
  3560. }
  3561. if (!empty($coachesToDelete)) {
  3562. foreach ($coachesToDelete as $userId) {
  3563. self::set_coach_to_course_session($userId, $sessionId, $courseCode, true);
  3564. }
  3565. }
  3566. }
  3567. }
  3568. /**
  3569. * @param array $sessions
  3570. * @param array $sessionsDestination
  3571. * @return string
  3572. */
  3573. public static function copyStudentsFromSession($sessions, $sessionsDestination)
  3574. {
  3575. $messages = array();
  3576. if (!empty($sessions)) {
  3577. foreach ($sessions as $sessionId) {
  3578. $sessionInfo = self::fetch($sessionId);
  3579. $userList = self::get_users_by_session($sessionId, 0);
  3580. if (!empty($userList)) {
  3581. $newUserList = array();
  3582. $userToString = null;
  3583. foreach ($userList as $userInfo) {
  3584. $newUserList[] = $userInfo['user_id'];
  3585. $userToString .= $userInfo['firstname'] . ' ' . $userInfo['lastname'] . '<br />';
  3586. }
  3587. if (!empty($sessionsDestination)) {
  3588. foreach ($sessionsDestination as $sessionDestinationId) {
  3589. $sessionDestinationInfo = self::fetch($sessionDestinationId);
  3590. $messages[] = Display::return_message(
  3591. sprintf(get_lang('AddingStudentsFromSessionXToSessionY'), $sessionInfo['name'], $sessionDestinationInfo['name']), 'info', false
  3592. );
  3593. if ($sessionId == $sessionDestinationId) {
  3594. $messages[] = Display::return_message(get_lang('SkipSession'), 'warning', false);
  3595. continue;
  3596. }
  3597. $messages[] = Display::return_message(get_lang('StudentList') . '<br />' . $userToString, 'info', false);
  3598. SessionManager::suscribe_users_to_session($sessionDestinationId, $newUserList, SESSION_VISIBLE_READ_ONLY, false);
  3599. }
  3600. } else {
  3601. $messages[] = Display::return_message(get_lang('NoDestinationSessionProvided'), 'warning');
  3602. }
  3603. } else {
  3604. $messages[] = Display::return_message(get_lang('NoStudentsFoundForSession') . ' #' . $sessionInfo['name'], 'warning');
  3605. }
  3606. }
  3607. } else {
  3608. $messages[] = Display::return_message(get_lang('NoData'), 'warning');
  3609. }
  3610. return $messages;
  3611. }
  3612. /**
  3613. * Assign coaches of a session(s) as teachers to a given course (or courses)
  3614. * @param array A list of session IDs
  3615. * @param array A list of course IDs
  3616. * @return string
  3617. */
  3618. public static function copyCoachesFromSessionToCourse($sessions, $courses)
  3619. {
  3620. $coachesPerSession = array();
  3621. foreach ($sessions as $sessionId) {
  3622. $coaches = self::getCoachesBySession($sessionId);
  3623. $coachesPerSession[$sessionId] = $coaches;
  3624. }
  3625. $result = array();
  3626. if (!empty($courses)) {
  3627. foreach ($courses as $courseId) {
  3628. $courseInfo = api_get_course_info_by_id($courseId);
  3629. foreach ($coachesPerSession as $sessionId => $coachList) {
  3630. CourseManager::updateTeachers(
  3631. $courseInfo['code'], $coachList, false, false, false
  3632. );
  3633. $result[$courseInfo['code']][$sessionId] = $coachList;
  3634. }
  3635. }
  3636. }
  3637. $sessionUrl = api_get_path(WEB_CODE_PATH) . 'admin/resume_session.php?id_session=';
  3638. $htmlResult = null;
  3639. if (!empty($result)) {
  3640. foreach ($result as $courseCode => $data) {
  3641. $url = api_get_course_url($courseCode);
  3642. $htmlResult .= sprintf(get_lang('CoachesSubscribedAsATeacherInCourseX'), Display::url($courseCode, $url, array('target' => '_blank')));
  3643. foreach ($data as $sessionId => $coachList) {
  3644. $sessionInfo = self::fetch($sessionId);
  3645. $htmlResult .= '<br />';
  3646. $htmlResult .= Display::url(
  3647. get_lang('Session') . ': ' . $sessionInfo['name'] . ' <br />', $sessionUrl . $sessionId, array('target' => '_blank')
  3648. );
  3649. $teacherList = array();
  3650. foreach ($coachList as $coachId) {
  3651. $userInfo = api_get_user_info($coachId);
  3652. $teacherList[] = $userInfo['complete_name'];
  3653. }
  3654. if (!empty($teacherList)) {
  3655. $htmlResult .= implode(', ', $teacherList);
  3656. } else {
  3657. $htmlResult .= get_lang('NothingToAdd');
  3658. }
  3659. }
  3660. $htmlResult .= '<br />';
  3661. }
  3662. $htmlResult = Display::return_message($htmlResult, 'normal', false);
  3663. }
  3664. return $htmlResult;
  3665. }
  3666. /**
  3667. * @param string $keyword
  3668. * @param string $active
  3669. * @param string $lastConnectionDate
  3670. * @param array $sessionIdList
  3671. * @param array $studentIdList
  3672. * @param int $userStatus STUDENT|COURSEMANAGER constants
  3673. *
  3674. * @return array|int
  3675. */
  3676. public static function getCountUserTracking(
  3677. $keyword = null,
  3678. $active = null,
  3679. $lastConnectionDate = null,
  3680. $sessionIdList = array(),
  3681. $studentIdList = array(),
  3682. $filterUserStatus = null
  3683. ) {
  3684. $userId = api_get_user_id();
  3685. $drhLoaded = false;
  3686. if (api_is_drh()) {
  3687. if (api_drh_can_access_all_session_content()) {
  3688. $count = self::getAllUsersFromCoursesFromAllSessionFromStatus(
  3689. 'drh_all',
  3690. $userId,
  3691. true,
  3692. null,
  3693. null,
  3694. null,
  3695. null,
  3696. $keyword,
  3697. $active,
  3698. $lastConnectionDate,
  3699. $sessionIdList,
  3700. $studentIdList,
  3701. $filterUserStatus
  3702. );
  3703. $drhLoaded = true;
  3704. }
  3705. }
  3706. if ($drhLoaded == false) {
  3707. $count = UserManager::getUsersFollowedByUser(
  3708. $userId,
  3709. $filterUserStatus,
  3710. false,
  3711. false,
  3712. true,
  3713. null,
  3714. null,
  3715. null,
  3716. null,
  3717. $active,
  3718. $lastConnectionDate,
  3719. COURSEMANAGER,
  3720. $keyword
  3721. );
  3722. }
  3723. return $count;
  3724. }
  3725. /**
  3726. * Get teachers followed by a user
  3727. * @param int $userId
  3728. * @param int $active
  3729. * @param string $lastConnectionDate
  3730. * @param bool $getCount
  3731. * @param array $sessionIdList
  3732. * @return array|int
  3733. */
  3734. public static function getTeacherTracking(
  3735. $userId,
  3736. $active = 1,
  3737. $lastConnectionDate = null,
  3738. $getCount = false,
  3739. $sessionIdList = array()
  3740. ) {
  3741. $teacherResult = array();
  3742. if (api_is_drh() || api_is_platform_admin()) {
  3743. // Followed teachers by drh
  3744. if (api_drh_can_access_all_session_content()) {
  3745. if (empty($sessionIdList)) {
  3746. $sessions = SessionManager::get_sessions_followed_by_drh($userId);
  3747. $sessionIdList = array();
  3748. foreach ($sessions as $session) {
  3749. $sessionIdList[] = $session['id'];
  3750. }
  3751. }
  3752. $sessionIdList = array_map('intval', $sessionIdList);
  3753. $sessionToString = implode("', '", $sessionIdList);
  3754. $course = Database::get_main_table(TABLE_MAIN_COURSE);
  3755. $sessionCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  3756. $courseUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  3757. // Select the teachers.
  3758. $sql = "SELECT DISTINCT(cu.user_id) FROM $course c
  3759. INNER JOIN $sessionCourse src ON c.code = src.course_code
  3760. INNER JOIN $courseUser cu ON (cu.course_code = c.code)
  3761. WHERE src.id_session IN ('$sessionToString') AND cu.status = 1";
  3762. $result = Database::query($sql);
  3763. $teacherListId = array();
  3764. while($row = Database::fetch_array($result, 'ASSOC')) {
  3765. $teacherListId[$row['user_id']] = $row['user_id'];
  3766. }
  3767. } else {
  3768. $teacherResult = UserManager::get_users_followed_by_drh($userId, COURSEMANAGER);
  3769. $teacherListId = array();
  3770. foreach ($teacherResult as $userInfo) {
  3771. $teacherListId[] = $userInfo['user_id'];
  3772. }
  3773. }
  3774. }
  3775. if (!empty($teacherListId)) {
  3776. $tableUser = Database::get_main_table(TABLE_MAIN_USER);
  3777. $select = "SELECT DISTINCT u.* ";
  3778. if ($getCount) {
  3779. $select = "SELECT count(DISTINCT(u.user_id)) as count";
  3780. }
  3781. $sql = "$select FROM $tableUser u";
  3782. if (!empty($lastConnectionDate)) {
  3783. $tableLogin = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LOGIN);
  3784. //$sql .= " INNER JOIN $tableLogin l ON (l.login_user_id = u.user_id) ";
  3785. }
  3786. $active = intval($active);
  3787. $teacherListId = implode("','", $teacherListId);
  3788. $where = " WHERE u.active = $active AND u.user_id IN ('$teacherListId') ";
  3789. if (!empty($lastConnectionDate)) {
  3790. $lastConnectionDate = Database::escape_string($lastConnectionDate);
  3791. //$where .= " AND l.login_date <= '$lastConnectionDate' ";
  3792. }
  3793. $sql .= $where;
  3794. $result = Database::query($sql);
  3795. if (Database::num_rows($result)) {
  3796. if ($getCount) {
  3797. $row = Database::fetch_array($result);
  3798. return $row['count'];
  3799. } else {
  3800. return Database::store_result($result, 'ASSOC');
  3801. }
  3802. }
  3803. }
  3804. return 0;
  3805. }
  3806. /**
  3807. * Get the list of course tools that have to be dealt with in case of
  3808. * registering any course to a session
  3809. * @return array The list of tools to be dealt with (literal names)
  3810. */
  3811. public static function getCourseToolToBeManaged()
  3812. {
  3813. return array(
  3814. 'courseDescription',
  3815. 'courseIntroduction'
  3816. );
  3817. }
  3818. /**
  3819. * Calls the methods bound to each tool when a course is registered into a session
  3820. * @param int $sessionId
  3821. * @param int $courseId
  3822. * @return void
  3823. */
  3824. public static function installCourse($sessionId, $courseId)
  3825. {
  3826. return true;
  3827. $toolList = self::getCourseToolToBeManaged();
  3828. foreach ($toolList as $tool) {
  3829. $method = 'add' . $tool;
  3830. if (method_exists(get_class(), $method)) {
  3831. self::$method($sessionId, $courseId);
  3832. }
  3833. }
  3834. }
  3835. /**
  3836. * Calls the methods bound to each tool when a course is unregistered from
  3837. * a session
  3838. * @param int $sessionId
  3839. * @param int $courseId
  3840. */
  3841. public static function unInstallCourse($sessionId, $courseId)
  3842. {
  3843. return true;
  3844. $toolList = self::getCourseToolToBeManaged();
  3845. foreach ($toolList as $tool) {
  3846. $method = 'remove' . $tool;
  3847. if (method_exists(get_class(), $method)) {
  3848. self::$method($sessionId, $courseId);
  3849. }
  3850. }
  3851. }
  3852. /**
  3853. * @param int $sessionId
  3854. * @param int $courseId
  3855. */
  3856. public static function addCourseIntroduction($sessionId, $courseId)
  3857. {
  3858. // @todo create a tool intro lib
  3859. $sessionId = intval($sessionId);
  3860. $courseId = intval($courseId);
  3861. $TBL_INTRODUCTION = Database::get_course_table(TABLE_TOOL_INTRO);
  3862. $sql = "SELECT * FROM $TBL_INTRODUCTION WHERE c_id = $courseId";
  3863. $result = Database::query($sql);
  3864. $result = Database::store_result($result, 'ASSOC');
  3865. if (!empty($result)) {
  3866. foreach ($result as $result) {
  3867. // @todo check if relation exits.
  3868. $result['session_id'] = $sessionId;
  3869. Database::insert($TBL_INTRODUCTION, $result);
  3870. }
  3871. }
  3872. }
  3873. /**
  3874. * @param int $sessionId
  3875. * @param int $courseId
  3876. */
  3877. public static function removeCourseIntroduction($sessionId, $courseId)
  3878. {
  3879. $sessionId = intval($sessionId);
  3880. $courseId = intval($courseId);
  3881. $TBL_INTRODUCTION = Database::get_course_table(TABLE_TOOL_INTRO);
  3882. $sql = "DELETE FROM $TBL_INTRODUCTION WHERE c_id = $courseId AND session_id = $sessionId";
  3883. Database::query($sql);
  3884. }
  3885. /**
  3886. * @param int $sessionId
  3887. * @param int $courseId
  3888. */
  3889. public static function addCourseDescription($sessionId, $courseId)
  3890. {
  3891. /* $description = new CourseDescription();
  3892. $descriptions = $description->get_descriptions($courseId);
  3893. foreach ($descriptions as $description) {
  3894. } */
  3895. }
  3896. /**
  3897. * @param int $sessionId
  3898. * @param int $courseId
  3899. */
  3900. public static function removeCourseDescription($sessionId, $courseId)
  3901. {
  3902. }
  3903. /**
  3904. * @param array $list format see self::importSessionDrhCSV()
  3905. * @param bool $sendEmail
  3906. * @param bool $removeOldRelationShips
  3907. * @return string
  3908. */
  3909. public static function subscribeDrhToSessionList($userSessionList, $sendEmail, $removeOldRelationShips)
  3910. {
  3911. if (!empty($userSessionList)) {
  3912. foreach ($userSessionList as $userId => $data) {
  3913. $sessionList = array();
  3914. foreach ($data['session_list'] as $sessionInfo) {
  3915. $sessionList[] = $sessionInfo['session_id'];
  3916. }
  3917. $userInfo = $data['user_info'];
  3918. self::suscribe_sessions_to_hr_manager($userInfo, $sessionList, $sendEmail, $removeOldRelationShips);
  3919. }
  3920. }
  3921. }
  3922. /**
  3923. * @param array $userSessionList format see self::importSessionDrhCSV()
  3924. */
  3925. public static function checkSubscribeDrhToSessionList($userSessionList)
  3926. {
  3927. $message = null;
  3928. if (!empty($userSessionList)) {
  3929. if (!empty($userSessionList)) {
  3930. foreach ($userSessionList as $userId => $data) {
  3931. $userInfo = $data['user_info'];
  3932. $sessionListSubscribed = self::get_sessions_followed_by_drh($userId);
  3933. if (!empty($sessionListSubscribed)) {
  3934. $sessionListSubscribed = array_keys($sessionListSubscribed);
  3935. }
  3936. $sessionList = array();
  3937. if (!empty($data['session_list'])) {
  3938. foreach ($data['session_list'] as $sessionInfo) {
  3939. if (in_array($sessionInfo['session_id'], $sessionListSubscribed)) {
  3940. $sessionList[] = $sessionInfo['session_info']['name'];
  3941. }
  3942. }
  3943. }
  3944. $message .= '<strong>' . get_lang('User') . '</strong> ' . $userInfo['complete_name'] . ' <br />';
  3945. if (!in_array($userInfo['status'], array(DRH)) && !api_is_platform_admin_by_id($userInfo['user_id'])) {
  3946. $message .= get_lang('UserMustHaveTheDrhRole') . '<br />';
  3947. continue;
  3948. }
  3949. if (!empty($sessionList)) {
  3950. $message .= '<strong>' . get_lang('Sessions') . ':</strong> <br />';
  3951. $message .= implode(', ', $sessionList) . '<br /><br />';
  3952. } else {
  3953. $message .= get_lang('NoSessions') . ' <br /><br />';
  3954. }
  3955. }
  3956. }
  3957. }
  3958. return $message;
  3959. }
  3960. /**
  3961. * @param string $file
  3962. * @param bool $sendEmail
  3963. * @param bool $removeOldRelationShips
  3964. */
  3965. public static function importSessionDrhCSV($file, $sendEmail, $removeOldRelationShips)
  3966. {
  3967. $list = Import::csv_reader($file);
  3968. if (!empty($list)) {
  3969. $userSessionList = array();
  3970. foreach ($list as $data) {
  3971. $userInfo = api_get_user_info_from_username($data['Username']);
  3972. $sessionInfo = self::get_session_by_name($data['SessionName']);
  3973. if (!empty($userInfo) && !empty($sessionInfo)) {
  3974. $userSessionList[$userInfo['user_id']]['session_list'][] = array(
  3975. 'session_id' => $sessionInfo['id'],
  3976. 'session_info' => $sessionInfo
  3977. );
  3978. $userSessionList[$userInfo['user_id']]['user_info'] = $userInfo;
  3979. }
  3980. }
  3981. self::subscribeDrhToSessionList($userSessionList, $sendEmail, $removeOldRelationShips);
  3982. return self::checkSubscribeDrhToSessionList($userSessionList);
  3983. }
  3984. }
  3985. }