sessionmanager.lib.php 106 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * This is the session library for Chamilo.
  5. * All main sessions functions should be placed here.
  6. * This class provides methods for sessions management.
  7. * Include/require it in your code to use its features.
  8. * @package chamilo.library
  9. */
  10. /**
  11. * Code
  12. */
  13. class SessionManager {
  14. //See BT#4871
  15. CONST SESSION_CHANGE_USER_REASON_SCHEDULE = 1;
  16. CONST SESSION_CHANGE_USER_REASON_CLASSROOM = 2;
  17. CONST SESSION_CHANGE_USER_REASON_LOCATION = 3;
  18. CONST SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION = 4;
  19. CONST DEFAULT_VISIBILITY = 4; //SESSION_AVAILABLE
  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. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  27. if ($id != strval(intval($id))) { return array(); }
  28. $s = "SELECT * FROM $t WHERE id = $id";
  29. $r = Database::query($s);
  30. if (Database::num_rows($r) != 1) { return array(); }
  31. return Database::fetch_array($r,'ASSOC');
  32. }
  33. public static function add($params) {
  34. global $_configuration;
  35. //just in case
  36. if (isset($params['id'])) {
  37. unset($params['id']);
  38. }
  39. //Check portal limits
  40. $access_url_id = 1;
  41. if (api_get_multiple_access_url()) {
  42. $access_url_id = api_get_current_access_url_id();
  43. }
  44. if (is_array($_configuration[$access_url_id]) && isset($_configuration[$access_url_id]['hosting_limit_sessions']) && $_configuration[$access_url_id]['hosting_limit_sessions'] > 0) {
  45. $num = self::count_sessions();
  46. if ($num >= $_configuration[$access_url_id]['hosting_limit_sessions']) {
  47. return get_lang('PortalSessionsLimitReached');
  48. }
  49. }
  50. $my_session_result = SessionManager::get_session_by_name($params['name']);
  51. $session_id = null;
  52. if ($my_session_result == false) {
  53. $session_model = new SessionModel();
  54. $session_id = $session_model->save($params);
  55. }
  56. if (!empty($session_id)) {
  57. /*
  58. Sends a message to the user_id = 1
  59. $user_info = api_get_user_info(1);
  60. $complete_name = $user_info['firstname'].' '.$user_info['lastname'];
  61. $subject = api_get_setting('siteName').' - '.get_lang('ANewSessionWasCreated');
  62. $message = get_lang('ANewSessionWasCreated')." <br /> ".get_lang('NameOfTheSession').' : '.$name;
  63. api_mail_html($complete_name, $user_info['email'], $subject, $message);
  64. *
  65. */
  66. //Saving extra fields
  67. $session_field_value = new SessionFieldValue();
  68. $params['session_id'] = $session_id;
  69. $session_field_value->save_field_values($params);
  70. //Adding to the correct URL
  71. $access_url_id = api_get_current_access_url_id();
  72. UrlManager::add_session_to_url($session_id, $access_url_id);
  73. // Add event to system log
  74. event_system(LOG_SESSION_CREATE, LOG_SESSION_ID, $session_id, api_get_utc_datetime(), api_get_user_id());
  75. if (isset($params['course_code'])) {
  76. self::add_courses_to_session($session_id, array($params['course_code']));
  77. }
  78. } else {
  79. if (isset($params['return_item_if_already_exists']) && $params['return_item_if_already_exists']) {
  80. $my_session_result = SessionManager::get_session_by_name($params['name']);
  81. $session_id = $my_session_result['id'];
  82. }
  83. }
  84. return $session_id;
  85. }
  86. public static function update($params) {
  87. $session_model = new SessionModel();
  88. $session_model->update($params);
  89. if (!empty($params['id'])) {
  90. $session_field_value = new SessionFieldValue();
  91. $params['session_id'] = $params['id'];
  92. unset($params['id']);
  93. $session_field_value->save_field_values($params);
  94. }
  95. }
  96. function session_name_exists($session_name) {
  97. $session_name = Database::escape_string($session_name);
  98. $result = Database::fetch_array(Database::query("SELECT COUNT(*) as count FROM ".Database::get_main_table(TABLE_MAIN_SESSION)." WHERE name = '$session_name' "));
  99. return $result['count'] > 0;
  100. }
  101. static function get_count_admin() {
  102. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  103. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  104. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  105. $where = 'WHERE 1 = 1 ';
  106. $user_id = api_get_user_id();
  107. if (api_is_session_admin() && api_get_setting('allow_session_admins_to_see_all_sessions') == 'false') {
  108. $where.=" WHERE s.session_admin_id = $user_id ";
  109. }
  110. $query_rows = "SELECT count(*) as total_rows
  111. FROM $tbl_session s
  112. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  113. INNER JOIN $tbl_user u ON s.id_coach = u.user_id
  114. $where ";
  115. global $_configuration;
  116. if ($_configuration['multiple_access_urls']) {
  117. $table_access_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  118. $access_url_id = api_get_current_access_url_id();
  119. if ($access_url_id != -1) {
  120. $where.= " AND ar.access_url_id = $access_url_id ";
  121. $query_rows = "SELECT count(*) as total_rows
  122. FROM $tbl_session s
  123. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  124. INNER JOIN $tbl_user u ON s.id_coach = u.user_id
  125. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  126. $where ";
  127. }
  128. }
  129. $result_rows = Database::query($query_rows);
  130. $recorset = Database::fetch_array($result_rows);
  131. $num = $recorset['total_rows'];
  132. return $num;
  133. }
  134. /**
  135. * Gets the admin session list callback of the admin/session_list.php page
  136. * @param array order and limit keys
  137. */
  138. public static function get_sessions_admin($options = array()) {
  139. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  140. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  141. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  142. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  143. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  144. $tbl_session_field_values = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  145. $where = 'WHERE 1 = 1 ';
  146. $user_id = api_get_user_id();
  147. if (api_is_session_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false') {
  148. $where.=" AND s.session_admin_id = $user_id ";
  149. }
  150. $coach_name = " CONCAT (u.lastname , ' ', u.firstname) as coach_name ";
  151. if (api_is_western_name_order()) {
  152. $coach_name = " CONCAT (u.firstname, ' ', u.lastname) as coach_name ";
  153. }
  154. $today = api_get_utc_datetime();
  155. $inject_extra_fields = null;
  156. $extra_fields = array();
  157. $extra_fields_info = array();
  158. //for now only sessions
  159. $extra_field = new ExtraField('session');
  160. $double_fields = array();
  161. $extra_field_option = new ExtraFieldOption('session');
  162. if (isset($options['extra'])) {
  163. $extra_fields = $options['extra'];
  164. if (!empty($extra_fields)) {
  165. foreach ($extra_fields as $extra) {
  166. $inject_extra_fields .= " IF (fv.field_id = {$extra['id']}, fv.field_value, NULL ) as {$extra['field']} , ";
  167. if (isset($extra_fields_info[$extra['id']])) {
  168. $info = $extra_fields_info[$extra['id']];
  169. } else {
  170. $info = $extra_field->get($extra['id']);
  171. $extra_fields_info[$extra['id']] = $info;
  172. }
  173. if ($info['field_type'] == ExtraField::FIELD_TYPE_DOUBLE_SELECT) {
  174. $double_fields[$info['id']] = $info;
  175. }
  176. }
  177. }
  178. }
  179. $options_by_double = array();
  180. foreach ($double_fields as $double) {
  181. $my_options = $extra_field_option->get_field_options_by_field($double['id'], true);
  182. $options_by_double['extra_'.$double['field_variable']] = $my_options;
  183. //$options_by_double['extra_'.$double['field_variable'].'_second'] = true;
  184. }
  185. //var_dump($options_by_double);
  186. //sc.name as category_name,
  187. $select = "SELECT * FROM (SELECT
  188. IF (
  189. (s.access_start_date <= '$today' AND '$today' < s.access_end_date) OR
  190. (s.access_start_date = '0000-00-00 00:00:00' AND s.access_end_date = '0000-00-00 00:00:00' ) OR
  191. (s.access_start_date <= '$today' AND '0000-00-00 00:00:00' = s.access_end_date) OR
  192. ('$today' < s.access_end_date AND '0000-00-00 00:00:00' = s.access_start_date)
  193. , 1, 0)
  194. as session_active,
  195. s.name,
  196. s.nbr_courses,
  197. s.nbr_users,
  198. s.display_start_date,
  199. s.display_end_date,
  200. $coach_name,
  201. access_start_date,
  202. access_end_date,
  203. s.visibility,
  204. u.user_id,
  205. $inject_extra_fields
  206. c.title as course_title,
  207. s.id";
  208. $query = "$select FROM $tbl_session s LEFT JOIN $tbl_session_field_values fv ON (fv.session_id = s.id)
  209. LEFT JOIN $tbl_session_rel_course src ON (src.id_session = s.id)
  210. LEFT JOIN $tbl_course c ON (src.course_code = c.code)
  211. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  212. INNER JOIN $tbl_user u ON s.id_coach = u.user_id ".
  213. $where;
  214. global $_configuration;
  215. if ($_configuration['multiple_access_urls']) {
  216. $table_access_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  217. $access_url_id = api_get_current_access_url_id();
  218. if ($access_url_id != -1) {
  219. $where.= " AND ar.access_url_id = $access_url_id ";
  220. $query = "$select
  221. FROM $tbl_session s LEFT JOIN $tbl_session_field_values fv ON (fv.session_id = s.id)
  222. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  223. INNER JOIN $tbl_user u ON s.id_coach = u.user_id
  224. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  225. $where";
  226. }
  227. }
  228. $query .= ") AS session_table";
  229. if (!empty($options['where'])) {
  230. $query .= ' WHERE '.$options['where'];
  231. }
  232. if (!empty($options['order'])) {
  233. $query .= " ORDER BY ".$options['order'];
  234. }
  235. if (!empty($options['limit'])) {
  236. $query .= " LIMIT ".$options['limit'];
  237. }
  238. //var_dump($query);
  239. $result = Database::query($query);
  240. $formatted_sessions = array();
  241. if (Database::num_rows($result)) {
  242. $sessions = Database::store_result($result, 'ASSOC');
  243. foreach ($sessions as $session) {
  244. $session_id = $session['id'];
  245. $session['name'] = Display::url($session['name'], "resume_session.php?id_session=".$session['id']);
  246. $session['coach_name'] = Display::url($session['coach_name'], "user_information.php?user_id=".$session['user_id']);
  247. if ($session['session_active'] == 1) {
  248. $session['session_active'] = Display::return_icon('accept.png', get_lang('Active'), array(), ICON_SIZE_SMALL);
  249. } else {
  250. $session['session_active'] = Display::return_icon('error.png', get_lang('Inactive'), array(), ICON_SIZE_SMALL);
  251. }
  252. $session = self::convert_dates_to_local($session);
  253. switch ($session['visibility']) {
  254. case SESSION_VISIBLE_READ_ONLY: //1
  255. $session['visibility'] = get_lang('ReadOnly');
  256. break;
  257. case SESSION_VISIBLE: //2
  258. case SESSION_AVAILABLE: //4
  259. $session['visibility'] = get_lang('Visible');
  260. break;
  261. case SESSION_INVISIBLE: //3
  262. $session['visibility'] = api_ucfirst(get_lang('Invisible'));
  263. break;
  264. }
  265. //Cleaning double selects
  266. //var_dump($session);
  267. foreach ($session as $key => &$value) {
  268. if (isset($options_by_double[$key]) || isset($options_by_double[$key.'_second'])) {
  269. $options = explode('::', $value);
  270. //var_dump($options);
  271. }
  272. $original_key = $key;
  273. if (strpos($key, '_second') === false) {
  274. } else {
  275. $key = str_replace('_second', '', $key);
  276. }
  277. if (isset($options_by_double[$key])) {
  278. if (isset($options[0])) {
  279. if (isset($options_by_double[$key][$options[0]])) {
  280. if (strpos($original_key, '_second') === false) {
  281. $value = $options_by_double[$key][$options[0]]['option_display_text'];
  282. } else {
  283. $value = $options_by_double[$key][$options[1]]['option_display_text'];
  284. }
  285. }
  286. }
  287. }
  288. }
  289. //Magic filter
  290. if (isset($formatted_sessions[$session_id])) {
  291. $formatted_sessions[$session_id] = self::compare_arrays_to_merge($formatted_sessions[$session_id], $session);
  292. } else {
  293. $formatted_sessions[$session_id] = $session;
  294. }
  295. }
  296. }
  297. //var_dump($formatted_sessions);
  298. return $formatted_sessions;
  299. }
  300. static function compare_arrays_to_merge($array1, $array2) {
  301. if (empty($array2)) {
  302. return $array1;
  303. }
  304. foreach ($array1 as $key => $item) {
  305. if (!isset($array1[$key])) {
  306. //My string is empty try the other one
  307. if (isset($array2[$key]) && !empty($array2[$key])) {
  308. $array1[$key] = $array2[$key];
  309. }
  310. }
  311. }
  312. return $array1;
  313. }
  314. static function convert_dates_to_local($params) {
  315. $params['display_start_date'] = api_get_local_time($params['display_start_date'], null, null, true);
  316. $params['display_end_date'] = api_get_local_time($params['display_end_date'], null, null, true);
  317. $params['access_start_date'] = api_get_local_time($params['access_start_date'], null, null, true);
  318. $params['access_end_date'] = api_get_local_time($params['access_end_date'], null, null, true);
  319. $params['coach_access_start_date'] = api_get_local_time($params['coach_access_start_date'], null, null, true);
  320. $params['coach_access_end_date'] = api_get_local_time($params['coach_access_end_date'], null, null, true);
  321. return $params;
  322. }
  323. /**
  324. * Creates a new course code based in given code
  325. *
  326. * @param string wanted code
  327. * <code>
  328. * $wanted_code = 'curse' if there are in the DB codes like curse1 curse2 the function will return: course3
  329. * if the course code doest not exist in the DB the same course code will be returned
  330. * </code>
  331. * @return string wanted unused code
  332. */
  333. function generate_nice_next_session_name($session_name) {
  334. $session_name_ok = !self::session_name_exists($session_name);
  335. if (!$session_name_ok) {
  336. $table = Database::get_main_table(TABLE_MAIN_SESSION);
  337. $session_name = Database::escape_string($session_name);
  338. $sql = "SELECT count(*) as count FROM $table WHERE name LIKE '$session_name%'";
  339. $result = Database::query($sql);
  340. if (Database::num_rows($result) > 0 ) {
  341. $row = Database::fetch_array($result);
  342. $count = $row['count'] + 1;
  343. $session_name = $session_name.'_'.$count;
  344. $result = self::session_name_exists($session_name);
  345. if (!$result) {
  346. return $session_name;
  347. }
  348. }
  349. return false;
  350. }
  351. return $session_name;
  352. }
  353. /**
  354. * Edit a session
  355. * @author Carlos Vargas from existing code
  356. * @param integer id
  357. * @param string name
  358. * @param integer year_start
  359. * @param integer month_start
  360. * @param integer day_start
  361. * @param integer year_end
  362. * @param integer month_end
  363. * @param integer day_end
  364. * @param integer nb_days_acess_before
  365. * @param integer nb_days_acess_after
  366. * @param integer nolimit
  367. * @param integer id_coach
  368. * @param integer id_session_category
  369. * @return $id;
  370. * The parameter id is a primary key
  371. **/
  372. /*
  373. public static function edit_session ($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) {
  374. global $_user;
  375. $name=trim(stripslashes($name));
  376. $year_start=intval($year_start);
  377. $month_start=intval($month_start);
  378. $day_start=intval($day_start);
  379. $year_end=intval($year_end);
  380. $month_end=intval($month_end);
  381. $day_end=intval($day_end);
  382. $id_coach= intval($id_coach);
  383. $nb_days_acess_before= intval($nb_days_acess_before);
  384. $nb_days_acess_after = intval($nb_days_acess_after);
  385. $id_session_category = intval($id_session_category);
  386. $id_visibility = intval($id_visibility);
  387. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  388. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  389. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  390. if (empty($nolimit)) {
  391. $date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  392. $date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  393. } else {
  394. $date_start = "0000-00-00";
  395. $date_end = "0000-00-00";
  396. $id_visibility = 1;//force read only
  397. }
  398. if (!empty($no_end_limit)) {
  399. $date_end = "0000-00-00";
  400. }
  401. if (empty($end_limit)) {
  402. $date_end ="0000-00-00";
  403. $id_visibility = 1;//force read only
  404. }
  405. if (empty($start_limit)) {
  406. $date_start ="0000-00-00";
  407. }
  408. if (empty($name)) {
  409. $msg=get_lang('SessionNameIsRequired');
  410. return $msg;
  411. } elseif (empty($id_coach)) {
  412. $msg=get_lang('CoachIsRequired');
  413. return $msg;
  414. } elseif (!empty($start_limit) && empty($nolimit) && (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start))) {
  415. $msg=get_lang('InvalidStartDate');
  416. return $msg;
  417. } elseif (!empty($end_limit) && empty($nolimit) && (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end))) {
  418. $msg=get_lang('InvalidEndDate');
  419. return $msg;
  420. } elseif (!empty($start_limit) && !empty($end_limit) && empty($nolimit) && $date_start >= $date_end) {
  421. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  422. return $msg;
  423. } else {
  424. $rs = Database::query("SELECT id FROM $tbl_session WHERE name='".Database::escape_string($name)."'");
  425. $exists = false;
  426. while ($row = Database::fetch_array($rs)) {
  427. if($row['id']!=$id)
  428. $exists = true;
  429. }
  430. if ($exists) {
  431. $msg=get_lang('SessionNameAlreadyExists');
  432. return $msg;
  433. } else {
  434. $sql="UPDATE $tbl_session " .
  435. "SET name='".Database::escape_string($name)."',
  436. date_start='".$date_start."',
  437. date_end='".$date_end."',
  438. id_coach='".$id_coach."',
  439. nb_days_access_before_beginning = ".$nb_days_acess_before.",
  440. nb_days_access_after_end = ".$nb_days_acess_after.",
  441. session_category_id = ".$id_session_category." ,
  442. visibility= ".$id_visibility."
  443. WHERE id='$id'";
  444. Database::query($sql);
  445. return $id;
  446. }
  447. }
  448. }
  449. */
  450. /**
  451. * Delete session
  452. * @author Carlos Vargas from existing code
  453. * @param array id_checked
  454. * @param boolean optional, true if the function is called by a webservice, false otherwise.
  455. * @return void Nothing, or false on error
  456. * The parameters is a array to delete sessions
  457. **/
  458. public static function delete_session ($id_checked,$from_ws = false) {
  459. $tbl_session= Database::get_main_table(TABLE_MAIN_SESSION);
  460. $tbl_session_rel_course= Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  461. $tbl_session_rel_course_rel_user= Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  462. $tbl_session_rel_user= Database::get_main_table(TABLE_MAIN_SESSION_USER);
  463. $tbl_url_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  464. global $_user;
  465. if(is_array($id_checked)) {
  466. $id_checked = Database::escape_string(implode(',',$id_checked));
  467. } else {
  468. $id_checked = intval($id_checked);
  469. }
  470. if (!api_is_platform_admin() && !$from_ws) {
  471. $sql = 'SELECT session_admin_id FROM '.Database :: get_main_table(TABLE_MAIN_SESSION).' WHERE id='.$id_checked;
  472. $rs = Database::query($sql);
  473. if (Database::result($rs,0,0)!=$_user['user_id']) {
  474. api_not_allowed(true);
  475. }
  476. }
  477. Database::query("DELETE FROM $tbl_session WHERE id IN($id_checked)");
  478. Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session IN($id_checked)");
  479. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session IN($id_checked)");
  480. Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session IN($id_checked)");
  481. Database::query("DELETE FROM $tbl_url_session WHERE session_id IN($id_checked)");
  482. // delete extra session fields
  483. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  484. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  485. // Delete extra fields from session where field variable is "SECCION"
  486. $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 = 'SECCION' ";
  487. $rs_field = Database::query($sql);
  488. $field_id = 0;
  489. if (Database::num_rows($rs_field) == 1) {
  490. $row_field = Database::fetch_row($rs_field);
  491. $field_id = $row_field[0];
  492. $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked' AND field_id = '$field_id'";
  493. $rs_delete_sfv = Database::query($sql_delete_sfv);
  494. }
  495. $sql = "SELECT * FROM $t_sfv WHERE field_id = '$field_id' ";
  496. $rs_field_id = Database::query($sql);
  497. if (Database::num_rows($rs_field_id) == 0) {
  498. $sql_delete_sf = "DELETE FROM $t_sf WHERE id = '$field_id'";
  499. $rs_delete_sf = Database::query($sql_delete_sf);
  500. }
  501. /*
  502. $sql = "SELECT distinct field_id FROM $t_sfv WHERE session_id = '$id_checked'";
  503. $res_field_ids = @Database::query($sql);
  504. if (Database::num_rows($res_field_ids) > 0) {
  505. while($row_field_id = Database::fetch_row($res_field_ids)){
  506. $field_ids[] = $row_field_id[0];
  507. }
  508. }
  509. //delete from table_session_field_value from a given session id
  510. $sql_session_field_value = "DELETE FROM $t_sfv WHERE session_id = '$id_checked'";
  511. @Database::query($sql_session_field_value);
  512. $sql = "SELECT distinct field_id FROM $t_sfv";
  513. $res_field_all_ids = @Database::query($sql);
  514. if (Database::num_rows($res_field_all_ids) > 0) {
  515. while($row_field_all_id = Database::fetch_row($res_field_all_ids)){
  516. $field_all_ids[] = $row_field_all_id[0];
  517. }
  518. }
  519. if (count($field_ids) > 0 && count($field_all_ids) > 0) {
  520. foreach($field_ids as $field_id) {
  521. // check if field id is used into table field value
  522. if (in_array($field_id,$field_all_ids)) {
  523. continue;
  524. } else {
  525. $sql_session_field = "DELETE FROM $t_sf WHERE id = '$field_id'";
  526. Database::query($sql_session_field);
  527. }
  528. }
  529. }
  530. */
  531. // Add event to system log
  532. $user_id = api_get_user_id();
  533. event_system(LOG_SESSION_DELETE, LOG_SESSION_ID, $id_checked, api_get_utc_datetime(), $user_id);
  534. }
  535. /**
  536. * Subscribes users (students) to the given session and optionally (default) unsubscribes previous users
  537. * @author Carlos Vargas from existing code
  538. * @param integer Session ID
  539. * @param array List of user IDs
  540. * @param bool Whether to unsubscribe existing users (true, default) or not (false)
  541. * @return void Nothing, or false on error
  542. **/
  543. public static function suscribe_users_to_session($id_session, $user_list, $session_visibility = SESSION_VISIBLE_READ_ONLY, $empty_users = true, $send_email = false) {
  544. if ($id_session!= strval(intval($id_session))) return false;
  545. foreach($user_list as $intUser){
  546. if ($intUser!= strval(intval($intUser))) return false;
  547. }
  548. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  549. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  550. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  551. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  552. $session_info = api_get_session_info($id_session);
  553. $session_name = $session_info['name'];
  554. //from function parameter
  555. if (empty($session_visibility)) {
  556. $session_visibility = $session_info['visibility']; //loaded from DB
  557. //default status loaded if empty
  558. if (empty($session_visibility))
  559. $session_visibility = SESSION_VISIBLE_READ_ONLY; // by default readonly 1
  560. } else {
  561. if (!in_array($session_visibility, array(SESSION_VISIBLE_READ_ONLY, SESSION_VISIBLE, SESSION_INVISIBLE))) {
  562. $session_visibility = SESSION_VISIBLE_READ_ONLY;
  563. }
  564. }
  565. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user WHERE id_session = '$id_session' AND status = 0";
  566. $result = Database::query($sql);
  567. $existingUsers = array();
  568. while ($row = Database::fetch_array($result)) {
  569. $existingUsers[] = $row['id_user'];
  570. }
  571. $sql = "SELECT course_code FROM $tbl_session_rel_course WHERE id_session = '$id_session'";
  572. $result = Database::query($sql);
  573. $course_list = array();
  574. while ($row = Database::fetch_array($result)) {
  575. $course_list[] = $row['course_code'];
  576. }
  577. if ($send_email) {
  578. //global $_configuration;
  579. //sending emails only
  580. if (is_array($user_list) && count($user_list)>0) {
  581. foreach ($user_list as $user_id) {
  582. if (!in_array($user_id, $existingUsers)) {
  583. $subject = '['.get_setting('siteName').'] '.get_lang('YourReg').' '.get_setting('siteName');
  584. $user_info = api_get_user_info($user_id);
  585. $content = get_lang('Dear')." ".stripslashes($user_info['complete_name']).",\n\n".sprintf(get_lang('YouAreRegisterToSessionX'), $session_name) ." \n\n" .get_lang('Address') ." ". get_setting('siteName') ." ". get_lang('Is') ." : ". api_get_path(WEB_PATH) ."\n\n". get_lang('Problem'). "\n\n". get_lang('Formula').",\n\n".get_setting('administratorName')." ".get_setting('administratorSurname')."\n". get_lang('Manager'). " ".get_setting('siteName')."\nT. ".get_setting('administratorTelephone')."\n" .get_lang('Email') ." : ".get_setting('emailAdministrator');
  586. MessageManager::send_message($user_id, $subject, $content, array(), array(), null, null, null, null, null);
  587. /*$emailheaders = 'From: '.get_setting('administratorName').' '.get_setting('administratorSurname').' <'.get_setting('emailAdministrator').">\n";
  588. $emailheaders .= 'Reply-To: '.get_setting('emailAdministrator');
  589. $emailbody = get_lang('Dear')." ".stripslashes(api_get_person_name($firstname, $lastname)).",\n\n".sprintf(get_lang('YouAreRegisterToSessionX'), $session_name) ." \n\n" .get_lang('Address') ." ". get_setting('siteName') ." ". get_lang('Is') ." : ". api_get_path(WEB_PATH) ."\n\n". get_lang('Problem'). "\n\n". get_lang('Formula').",\n\n".get_setting('administratorName')." ".get_setting('administratorSurname')."\n". get_lang('Manager'). " ".get_setting('siteName')."\nT. ".get_setting('administratorTelephone')."\n" .get_lang('Email') ." : ".get_setting('emailAdministrator');
  590. @api_send_mail($emailto, $emailsubject, $emailbody, $emailheaders);*/
  591. }
  592. }
  593. }
  594. }
  595. foreach ($course_list as $enreg_course) {
  596. // for each course in the session
  597. $nbr_users = 0;
  598. $enreg_course = Database::escape_string($enreg_course);
  599. // delete existing users
  600. if ($empty_users) {
  601. foreach ($existingUsers as $existing_user) {
  602. if (!in_array($existing_user, $user_list)) {
  603. $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";
  604. Database::query($sql);
  605. if (Database::affected_rows()) {
  606. $nbr_users--;
  607. }
  608. }
  609. }
  610. }
  611. //Replace with this new function
  612. //
  613. // insert new users into session_rel_course_rel_user and ignore if they already exist
  614. foreach ($user_list as $enreg_user) {
  615. if(!in_array($enreg_user, $existingUsers)) {
  616. $enreg_user = Database::escape_string($enreg_user);
  617. $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','$session_visibility', '0')";
  618. Database::query($insert_sql);
  619. if(Database::affected_rows()) {
  620. $nbr_users++;
  621. }
  622. }
  623. }
  624. // count users in this session-course relation
  625. $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";
  626. $rs = Database::query($sql);
  627. list($nbr_users) = Database::fetch_array($rs);
  628. // update the session-course relation to add the users total
  629. $update_sql = "UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'";
  630. Database::query($update_sql);
  631. }
  632. // Delete users from the session
  633. if ($empty_users===true) {
  634. Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session = $id_session AND relation_type<>".SESSION_RELATION_TYPE_RRHH."");
  635. }
  636. // Insert missing users into session
  637. $nbr_users = 0;
  638. foreach ($user_list as $enreg_user) {
  639. $enreg_user = Database::escape_string($enreg_user);
  640. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user) VALUES ('$id_session','$enreg_user')";
  641. Database::query($insert_sql);
  642. //Reset moved_to just in case
  643. $update_sql = "UPDATE $tbl_session_rel_user SET moved_to = 0 , moved_status = 0, moved_at ='0000-00-00 00:00:00' WHERE id_session = $id_session AND id_user = $enreg_user";
  644. Database::query($update_sql);
  645. $nbr_users++;
  646. }
  647. // update number of users in the session
  648. $nbr_users = count($user_list);
  649. if ($empty_users) {
  650. // update number of users in the session
  651. $update_sql = "UPDATE $tbl_session SET nbr_users= $nbr_users WHERE id='$id_session' ";
  652. Database::query($update_sql);
  653. } else {
  654. $update_sql = "UPDATE $tbl_session SET nbr_users= nbr_users + $nbr_users WHERE id='$id_session' ";
  655. Database::query($update_sql);
  656. }
  657. }
  658. function subscribe_users_to_session_course($user_list, $session_id, $course_code, $session_visibility = SESSION_VISIBLE_READ_ONLY ) {
  659. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  660. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  661. if (empty($user_list) || empty($session_id) || empty($course_code)) {
  662. return false;
  663. }
  664. $session_id = intval($session_id);
  665. $course_code = Database::escape_string($course_code);
  666. $session_visibility = intval($session_visibility);
  667. $nbr_users = 0;
  668. foreach ($user_list as $enreg_user) {
  669. //if (!in_array($enreg_user, $existingUsers)) {
  670. $enreg_user = intval($enreg_user);
  671. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session,course_code,id_user,visibility)
  672. VALUES ('$session_id','$course_code','$enreg_user','$session_visibility')";
  673. Database::query($insert_sql);
  674. if (Database::affected_rows()) {
  675. $nbr_users++;
  676. }
  677. //}
  678. }
  679. // count users in this session-course relation
  680. $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";
  681. $rs = Database::query($sql);
  682. list($nbr_users) = Database::fetch_array($rs);
  683. // update the session-course relation to add the users total
  684. $update_sql = "UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'";
  685. Database::query($update_sql);
  686. }
  687. /**
  688. * Unsubscribe user from session
  689. *
  690. * @param int session id
  691. * @param int user id
  692. * @param int reason of unsubscription see function get_session_change_user_reasons()
  693. * @return bool true in case of success, false in case of error
  694. */
  695. public static function unsubscribe_user_from_session($session_id, $user_id) {
  696. $session_id = intval($session_id);
  697. $user_id = intval($user_id);
  698. $reason_id = intval($reason_id);
  699. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  700. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  701. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  702. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  703. $user_status = SessionManager::get_user_status_in_session($session_id, $user_id);
  704. if ($user_status['moved_to'] != 0) {
  705. //You can't subscribe a user that was moved
  706. return false;
  707. }
  708. $delete_sql = "DELETE FROM $tbl_session_rel_user WHERE id_session = '$session_id' AND id_user ='$user_id' AND relation_type<>".SESSION_RELATION_TYPE_RRHH."";
  709. Database::query($delete_sql);
  710. $return = Database::affected_rows();
  711. // Update number of users
  712. $update_sql = "UPDATE $tbl_session SET nbr_users = nbr_users - $return WHERE id='$session_id' ";
  713. Database::query($update_sql);
  714. // Get the list of courses related to this session
  715. $course_list = SessionManager::get_course_list_by_session_id($session_id);
  716. if (!empty($course_list)) {
  717. foreach($course_list as $course) {
  718. $course_code = $course['code'];
  719. // Delete user from course
  720. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$session_id' AND course_code='$course_code' AND id_user='$user_id'");
  721. if(Database::affected_rows()) {
  722. // Update number of users in this relation
  723. Database::query("UPDATE $tbl_session_rel_course SET nbr_users=nbr_users - 1 WHERE id_session='$session_id' AND course_code='$course_code'");
  724. }
  725. }
  726. }
  727. return true;
  728. }
  729. /**
  730. *
  731. * @param int $session_id
  732. * @param array user id list
  733. * @param string $course_code
  734. */
  735. static function unsubscribe_user_from_course_session($session_id, $user_list, $course_code) {
  736. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  737. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  738. if (is_array($user_list) && count($user_list)>0 ) {
  739. array_map('intval', $user_list);
  740. $user_list = implode(',', $user_list);
  741. }
  742. $session_id = intval($session_id);
  743. $course_code = Database::escape_string($course_code);
  744. if (!empty($user_list)) {
  745. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$session_id' AND course_code='".$course_code."' AND id_user IN($user_list)");
  746. $nbr_affected_rows = Database::affected_rows();
  747. Database::query("UPDATE $tbl_session_rel_course SET nbr_users=nbr_users-$nbr_affected_rows WHERE id_session='$session_id' AND course_code='".$course_code."'");
  748. }
  749. }
  750. /** Subscribes courses to the given session and optionally (default) unsubscribes previous users
  751. * @author Carlos Vargas from existing code
  752. * @param int Session ID
  753. * @param array List of courses IDs
  754. * @param bool Whether to unsubscribe existing users (true, default) or not (false)
  755. * @return void Nothing, or false on error
  756. **/
  757. public static function add_courses_to_session ($id_session, $course_list, $empty_courses=true) {
  758. // security checks
  759. if ($id_session!= strval(intval($id_session))) { return false; }
  760. //foreach($course_list as $intCourse){
  761. // if ($intCourse!= strval(intval($intCourse))) { return false; }
  762. //}
  763. // initialisation
  764. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  765. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  766. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  767. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  768. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  769. // get general coach ID
  770. $id_coach = Database::query("SELECT id_coach FROM $tbl_session WHERE id=$id_session");
  771. $id_coach = Database::fetch_array($id_coach);
  772. $id_coach = $id_coach[0];
  773. // get list of courses subscribed to this session
  774. $rs = Database::query("SELECT course_code FROM $tbl_session_rel_course WHERE id_session=$id_session");
  775. $existingCourses = Database::store_result($rs);
  776. $nbr_courses=count($existingCourses);
  777. // get list of users subscribed to this session
  778. $sql="SELECT id_user
  779. FROM $tbl_session_rel_user
  780. WHERE id_session = $id_session AND relation_type<>".SESSION_RELATION_TYPE_RRHH."";
  781. $result=Database::query($sql);
  782. $user_list=Database::store_result($result);
  783. // Remove existing courses from the session
  784. if ($empty_courses===true) {
  785. foreach ($existingCourses as $existingCourse) {
  786. if (!in_array($existingCourse['course_code'], $course_list)){
  787. Database::query("DELETE FROM $tbl_session_rel_course WHERE course_code='".$existingCourse['course_code']."' AND id_session=$id_session");
  788. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE course_code='".$existingCourse['course_code']."' AND id_session=$id_session");
  789. }
  790. }
  791. $nbr_courses=0;
  792. }
  793. // Pass through the courses list we want to add to the session
  794. foreach ($course_list as $enreg_course) {
  795. $enreg_course = Database::escape_string($enreg_course);
  796. $exists = false;
  797. // check if the course we want to add is already subscribed
  798. foreach ($existingCourses as $existingCourse) {
  799. if ($enreg_course == $existingCourse['course_code']) {
  800. $exists=true;
  801. }
  802. }
  803. if (!$exists) {
  804. //if the course isn't subscribed yet
  805. $sql_insert_rel_course= "INSERT INTO $tbl_session_rel_course (id_session,course_code) VALUES ('$id_session','$enreg_course')";
  806. Database::query($sql_insert_rel_course);
  807. //We add the current course in the existing courses array, to avoid adding another time the current course
  808. $existingCourses[]=array('course_code'=>$enreg_course);
  809. $nbr_courses++;
  810. // subscribe all the users from the session to this course inside the session
  811. $nbr_users=0;
  812. foreach ($user_list as $enreg_user) {
  813. $enreg_user_id = Database::escape_string($enreg_user['id_user']);
  814. $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')";
  815. Database::query($sql_insert);
  816. if (Database::affected_rows()) {
  817. $nbr_users++;
  818. }
  819. }
  820. Database::query("UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'");
  821. }
  822. }
  823. Database::query("UPDATE $tbl_session SET nbr_courses=$nbr_courses WHERE id='$id_session'");
  824. }
  825. /**
  826. * Unsubscribe course from a session
  827. *
  828. * @param int Session id
  829. * @param int Course id
  830. * @return bool True in case of success, false otherwise
  831. */
  832. public static function unsubscribe_course_from_session($session_id, $course_id) {
  833. $session_id = (int)$session_id;
  834. $course_id = (int)$course_id;
  835. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  836. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  837. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  838. // Get course code
  839. $course_code = CourseManager::get_course_code_from_course_id($course_id);
  840. if($course_code == 0) {
  841. return false;
  842. }
  843. // Unsubscribe course
  844. Database::query("DELETE FROM $tbl_session_rel_course WHERE course_code='$course_code' AND id_session='$session_id'");
  845. $nb_affected = Database::affected_rows();
  846. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE course_code='$course_code' AND id_session='$session_id'");
  847. if($nb_affected > 0) {
  848. // Update number of courses in the session
  849. Database::query("UPDATE $tbl_session SET nbr_courses= nbr_courses + $nb_affected WHERE id='$session_id' ");
  850. return true;
  851. } else {
  852. return false;
  853. }
  854. }
  855. /**
  856. * Creates a new extra field for a given session
  857. * @param string Field's internal variable name
  858. * @param int Field's type
  859. * @param string Field's language var name
  860. * @return int new extra field id
  861. */
  862. public static function create_session_extra_field ($fieldvarname, $fieldtype, $fieldtitle) {
  863. // database table definition
  864. $params = array('field_variable' => $fieldvarname,
  865. 'field_type' => $fieldtype,
  866. 'field_display_text' => $fieldtitle
  867. );
  868. $session_field = new SessionField();
  869. $field_id = $session_field->save($params);
  870. return $field_id;/*
  871. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  872. $fieldvarname = Database::escape_string($fieldvarname);
  873. $fieldtitle = Database::escape_string($fieldtitle);
  874. $fieldtype = (int)$fieldtype;
  875. $time = api_get_utc_datetime();
  876. $sql_field = "SELECT id FROM $t_sf WHERE field_variable = '$fieldvarname'";
  877. $res_field = Database::query($sql_field);
  878. $r_field = Database::fetch_row($res_field);
  879. if (Database::num_rows($res_field)>0) {
  880. $field_id = $r_field[0];
  881. } else {
  882. // save new fieldlabel into course_field table
  883. $sql = "SELECT MAX(field_order) FROM $t_sf";
  884. $res = Database::query($sql);
  885. $order = 0;
  886. if (Database::num_rows($res)>0) {
  887. $row = Database::fetch_row($res);
  888. $order = $row[0]+1;
  889. }
  890. $sql = "INSERT INTO $t_sf
  891. SET field_type = '$fieldtype',
  892. field_variable = '$fieldvarname',
  893. field_display_text = '$fieldtitle',
  894. field_order = '$order',
  895. tms = '$time'";
  896. Database::query($sql);
  897. $field_id = Database::insert_id();
  898. }
  899. return $field_id;*/
  900. }
  901. /**
  902. * Update an extra field value for a given session
  903. * @param integer Course ID
  904. * @param string Field variable name
  905. * @param string Field value
  906. * @return boolean true if field updated, false otherwise
  907. */
  908. public static function update_session_extra_field_value ($session_id, $fname, $fvalue = null) {
  909. $session_field_value = new SessionFieldValue();
  910. $session_field_value->update($params);
  911. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  912. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  913. $fname = Database::escape_string($fname);
  914. $session_id = (int)$session_id;
  915. $tms = api_get_utc_datetime();
  916. $fvalues = '';
  917. if (is_array($fvalue)) {
  918. foreach($fvalue as $val) {
  919. $fvalues .= Database::escape_string($val).';';
  920. }
  921. if(!empty($fvalues)) {
  922. $fvalues = substr($fvalues,0,-1);
  923. }
  924. } else {
  925. $fvalues = Database::escape_string($fvalue);
  926. }
  927. $sqlsf = "SELECT * FROM $t_sf WHERE field_variable='$fname'";
  928. $ressf = Database::query($sqlsf);
  929. if (Database::num_rows($ressf)==1) {
  930. // ok, the field exists
  931. // Check if enumerated field, if the option is available
  932. $rowsf = Database::fetch_array($ressf);
  933. $sqlsfv = "SELECT * FROM $t_sfv WHERE session_id = '$session_id' AND field_id = '".$rowsf['id']."' ORDER BY id";
  934. $ressfv = Database::query($sqlsfv);
  935. $n = Database::num_rows($ressfv);
  936. if ($n>1) {
  937. //problem, we already have to values for this field and user combination - keep last one
  938. while($rowsfv = Database::fetch_array($ressfv)) {
  939. if($n > 1) {
  940. $sqld = "DELETE FROM $t_sfv WHERE id = ".$rowsfv['id'];
  941. $resd = Database::query($sqld);
  942. $n--;
  943. }
  944. $rowsfv = Database::fetch_array($ressfv);
  945. if ($rowsfv['field_value'] != $fvalues) {
  946. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = '$tms' WHERE id = ".$rowsfv['id'];
  947. $resu = Database::query($sqlu);
  948. return($resu?true:false);
  949. }
  950. return true;
  951. }
  952. } else if ($n==1) {
  953. //we need to update the current record
  954. $rowsfv = Database::fetch_array($ressfv);
  955. if($rowsfv['field_value'] != $fvalues) {
  956. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = '$tms' WHERE id = ".$rowsfv['id'];
  957. //error_log('UM::update_extra_field_value: '.$sqlu);
  958. $resu = Database::query($sqlu);
  959. return($resu?true:false);
  960. }
  961. return true;
  962. } else {
  963. $sqli = "INSERT INTO $t_sfv (session_id,field_id,field_value,tms) " .
  964. "VALUES ('$session_id',".$rowsf['id'].",'$fvalues', '$tms')";
  965. //error_log('UM::update_extra_field_value: '.$sqli);
  966. $resi = Database::query($sqli);
  967. return($resi?true:false);
  968. }
  969. } else {
  970. return false; //field not found
  971. }
  972. }
  973. /**
  974. * Checks the relationship between a session and a course.
  975. * @param int $session_id
  976. * @param int $course_id
  977. * @return bool Returns TRUE if the session and the course are related, FALSE otherwise.
  978. * */
  979. public static function relation_session_course_exist ($session_id, $course_id) {
  980. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  981. $return_value = false;
  982. $sql= "SELECT course_code FROM $tbl_session_course WHERE id_session = ".Database::escape_string($session_id)." AND course_code = '".Database::escape_string($course_id)."'";
  983. $result = Database::query($sql);
  984. $num = Database::num_rows($result);
  985. if ($num>0) {
  986. $return_value = true;
  987. }
  988. return $return_value;
  989. }
  990. /**
  991. * Get the session information by name
  992. * @param string session name
  993. * @return mixed false if the session does not exist, array if the session exist
  994. * */
  995. public static function get_session_by_name ($session_name) {
  996. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  997. $sql = 'SELECT * FROM '.$tbl_session.' WHERE name="'.Database::escape_string($session_name).'"';
  998. $result = Database::query($sql);
  999. $num = Database::num_rows($result);
  1000. if ($num) {
  1001. return Database::fetch_array($result, 'ASSOC');
  1002. } else {
  1003. return false;
  1004. }
  1005. }
  1006. /**
  1007. * Create a session category
  1008. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  1009. * @param string name
  1010. * @param integer year_start
  1011. * @param integer month_start
  1012. * @param integer day_start
  1013. * @param integer year_end
  1014. * @param integer month_end
  1015. * @param integer day_end
  1016. * @return $id_session;
  1017. **/
  1018. public static function create_category_session($sname,$syear_start,$smonth_start,$sday_start,$syear_end,$smonth_end, $sday_end){
  1019. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1020. $name= trim($sname);
  1021. $year_start= intval($syear_start);
  1022. $month_start=intval($smonth_start);
  1023. $day_start=intval($sday_start);
  1024. $year_end=intval($syear_end);
  1025. $month_end=intval($smonth_end);
  1026. $day_end=intval($sday_end);
  1027. $date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  1028. $date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  1029. if (empty($name)) {
  1030. $msg=get_lang('SessionCategoryNameIsRequired');
  1031. return $msg;
  1032. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start)) {
  1033. $msg=get_lang('InvalidStartDate');
  1034. return $msg;
  1035. } elseif (!$month_end && !$day_end && !$year_end) {
  1036. $date_end = "null";
  1037. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end)) {
  1038. $msg=get_lang('InvalidEndDate');
  1039. return $msg;
  1040. } elseif($date_start >= $date_end) {
  1041. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  1042. return $msg;
  1043. }
  1044. $access_url_id = api_get_current_access_url_id();
  1045. $sql = "INSERT INTO $tbl_session_category (name, date_start, date_end, access_url_id)
  1046. VALUES('".Database::escape_string($name)."','$date_start','$date_end', '$access_url_id')";
  1047. Database::query($sql);
  1048. $id_session = Database::insert_id();
  1049. // Add event to system log
  1050. $user_id = api_get_user_id();
  1051. event_system(LOG_SESSION_CATEGORY_CREATE, LOG_SESSION_CATEGORY_ID, $id_session, api_get_utc_datetime(), $user_id);
  1052. return $id_session;
  1053. }
  1054. /**
  1055. * Edit a sessions categories
  1056. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>,from existing code
  1057. * @param integer id
  1058. * @param string name
  1059. * @param integer year_start
  1060. * @param integer month_start
  1061. * @param integer day_start
  1062. * @param integer year_end
  1063. * @param integer month_end
  1064. * @param integer day_end
  1065. * @return $id;
  1066. * The parameter id is a primary key
  1067. **/
  1068. public static function edit_category_session($id, $sname,$syear_start,$smonth_start,$sday_start,$syear_end,$smonth_end, $sday_end){
  1069. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1070. $name= trim($sname);
  1071. $year_start= intval($syear_start);
  1072. $month_start=intval($smonth_start);
  1073. $day_start=intval($sday_start);
  1074. $year_end=intval($syear_end);
  1075. $month_end=intval($smonth_end);
  1076. $day_end=intval($sday_end);
  1077. $id=intval($id);
  1078. $date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  1079. $date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  1080. if (empty($name)) {
  1081. $msg=get_lang('SessionCategoryNameIsRequired');
  1082. return $msg;
  1083. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start)) {
  1084. $msg=get_lang('InvalidStartDate');
  1085. return $msg;
  1086. } elseif (!$month_end && !$day_end && !$year_end) {
  1087. $date_end = null;
  1088. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end)) {
  1089. $msg=get_lang('InvalidEndDate');
  1090. return $msg;
  1091. } elseif($date_start >= $date_end) {
  1092. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  1093. return $msg;
  1094. }
  1095. if ( $date_end <> null ) {
  1096. $sql = "UPDATE $tbl_session_category SET name = '".Database::escape_string($name)."', date_start = '$date_start' ".
  1097. ", date_end = '$date_end' WHERE id= '".$id."' ";
  1098. } else {
  1099. $sql = "UPDATE $tbl_session_category SET name = '".Database::escape_string($name)."', date_start = '$date_start' ".
  1100. ", date_end = NULL WHERE id= '".$id."' ";
  1101. }
  1102. $result = Database::query($sql);
  1103. return ($result? true:false);
  1104. }
  1105. /**
  1106. * Delete sessions categories
  1107. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  1108. * @param array id_checked
  1109. * @param bool include delete session
  1110. * @param bool optional, true if the function is called by a webservice, false otherwise.
  1111. * @return void Nothing, or false on error
  1112. * The parameters is a array to delete sessions
  1113. **/
  1114. public static function delete_session_category($id_checked, $delete_session = false,$from_ws = false){
  1115. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1116. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1117. if (is_array($id_checked)) {
  1118. $id_checked = Database::escape_string(implode(',',$id_checked));
  1119. } else {
  1120. $id_checked = intval($id_checked);
  1121. }
  1122. //Setting session_category_id to 0
  1123. $sql = "UPDATE $tbl_session SET session_category_id = 0 WHERE session_category_id IN (".$id_checked.")";
  1124. Database::query($sql);
  1125. $sql = "SELECT id FROM $tbl_session WHERE session_category_id IN (".$id_checked.")";
  1126. $result = @Database::query($sql);
  1127. while ($rows = Database::fetch_array($result)) {
  1128. $session_id = $rows['id'];
  1129. if ($delete_session) {
  1130. if ($from_ws) {
  1131. SessionManager::delete_session($session_id,true);
  1132. } else {
  1133. SessionManager::delete_session($session_id);
  1134. }
  1135. }
  1136. }
  1137. $sql = "DELETE FROM $tbl_session_category WHERE id IN (".$id_checked.")";
  1138. $rs = @Database::query($sql);
  1139. $result = Database::affected_rows();
  1140. // Add event to system log
  1141. $user_id = api_get_user_id();
  1142. event_system(LOG_SESSION_CATEGORY_DELETE, LOG_SESSION_CATEGORY_ID, $id_checked, api_get_utc_datetime(), $user_id);
  1143. // delete extra session fields where field variable is "PERIODO"
  1144. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1145. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1146. $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' ";
  1147. $rs_field = Database::query($sql);
  1148. $field_id = 0;
  1149. if (Database::num_rows($rs_field) > 0) {
  1150. $row_field = Database::fetch_row($rs_field);
  1151. $field_id = $row_field[0];
  1152. $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked' AND field_id = '$field_id'";
  1153. $rs_delete_sfv = Database::query($sql_delete_sfv);
  1154. }
  1155. $sql = "SELECT * FROM $t_sfv WHERE field_id = '$field_id' ";
  1156. $rs_field_id = Database::query($sql);
  1157. if (Database::num_rows($rs_field_id) == 0) {
  1158. $sql_delete_sf = "DELETE FROM $t_sf WHERE id = '$field_id'";
  1159. $rs_delete_sf = Database::query($sql_delete_sf);
  1160. }
  1161. return true;
  1162. }
  1163. /**
  1164. * Get a list of sessions of which the given conditions match with an = 'cond'
  1165. * @param array $conditions a list of condition (exemple : array('status =' =>STUDENT) or array('s.name LIKE' => "%$needle%")
  1166. * @param array $order_by a list of fields on which sort
  1167. * @return array An array with all sessions of the platform.
  1168. * @todo optional course code parameter, optional sorting parameters...
  1169. */
  1170. public static function get_sessions_list($conditions = array(), $order_by = array()) {
  1171. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1172. $session_category_table = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1173. $user_table = Database::get_main_table(TABLE_MAIN_USER);
  1174. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1175. $access_url_id = api_get_current_access_url_id();
  1176. $return_array = array();
  1177. $sql_query = " SELECT s.id, s.name, s.nbr_courses, s.access_start_date, s.access_end_date, u.firstname, u.lastname, sc.name as category_name, s.promotion_id
  1178. FROM $session_table s
  1179. INNER JOIN $user_table u ON s.id_coach = u.user_id
  1180. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  1181. LEFT JOIN $session_category_table sc ON s.session_category_id = sc.id
  1182. WHERE ar.access_url_id = $access_url_id ";
  1183. if (count($conditions) > 0) {
  1184. $sql_query .= ' AND ';
  1185. foreach ($conditions as $field=>$value) {
  1186. $field = Database::escape_string($field);
  1187. $value = Database::escape_string($value);
  1188. $sql_query .= $field." '".$value."'";
  1189. }
  1190. }
  1191. if (count($order_by)>0) {
  1192. $sql_query .= ' ORDER BY '.Database::escape_string(implode(',',$order_by));
  1193. }
  1194. //echo $sql_query;
  1195. $sql_result = Database::query($sql_query);
  1196. if (Database::num_rows($sql_result)>0) {
  1197. while ($result = Database::fetch_array($sql_result)) {
  1198. $return_array[$result['id']] = $result;
  1199. }
  1200. }
  1201. return $return_array;
  1202. }
  1203. /**
  1204. * Get the session category information by id
  1205. * @param string session category ID
  1206. * @return mixed false if the session category does not exist, array if the session category exists
  1207. */
  1208. public static function get_session_category ($id) {
  1209. $id = intval($id);
  1210. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1211. $sql = "SELECT id, name, date_start, date_end FROM $tbl_session_category WHERE id= $id";
  1212. $result = Database::query($sql);
  1213. $num = Database::num_rows($result);
  1214. if ($num>0){
  1215. return Database::fetch_array($result);
  1216. } else {
  1217. return false;
  1218. }
  1219. }
  1220. /**
  1221. * Get all session categories (filter by access_url_id)
  1222. * @return mixed false if the session category does not exist, array if the session category exists
  1223. */
  1224. public static function get_all_session_category() {
  1225. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1226. $id = api_get_current_access_url_id();
  1227. $sql = 'SELECT * FROM '.$tbl_session_category.' WHERE access_url_id ="'.$id.'" ORDER BY name ASC';
  1228. $result = Database::query($sql);
  1229. if (Database::num_rows($result) > 0 ){
  1230. $data = Database::store_result($result,'ASSOC');
  1231. return $data;
  1232. } else {
  1233. return false;
  1234. }
  1235. }
  1236. /**
  1237. * Assign a coach to course in session with status = 2
  1238. * @param int - user id
  1239. * @param int - session id
  1240. * @param string - course code
  1241. * @param bool - optional, if is true the user don't be a coach now, otherwise it'll assign a coach
  1242. * @return bool true if there are affected rows, otherwise false
  1243. */
  1244. public static function set_coach_to_course_session($user_id, $session_id = 0, $course_code = '',$nocoach = false) {
  1245. // Definition of variables
  1246. $user_id = intval($user_id);
  1247. if (!empty($session_id)) {
  1248. $session_id = intval($session_id);
  1249. } else {
  1250. $session_id = api_get_session_id();
  1251. }
  1252. if (!empty($course_code)) {
  1253. $course_code = Database::escape_string($course_code);
  1254. } else {
  1255. $course_code = api_get_course_id();
  1256. }
  1257. // definitios of tables
  1258. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1259. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1260. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1261. // check if user is a teacher
  1262. $sql= "SELECT * FROM $tbl_user WHERE status='1' AND user_id = '$user_id'";
  1263. $rs_check_user = Database::query($sql);
  1264. if (Database::num_rows($rs_check_user) > 0) {
  1265. if ($nocoach) {
  1266. // check if user_id exits int session_rel_user
  1267. $sql = "SELECT id_user FROM $tbl_session_rel_user WHERE id_session = '$session_id' AND id_user = '$user_id'";
  1268. $res = Database::query($sql);
  1269. if (Database::num_rows($res) > 0) {
  1270. // The user don't be a coach now
  1271. $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' ";
  1272. $rs_update = Database::query($sql);
  1273. if (Database::affected_rows() > 0) return true;
  1274. else return false;
  1275. } else {
  1276. // The user don't be a coach now
  1277. $sql = "DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  1278. $rs_delete = Database::query($sql);
  1279. if (Database::affected_rows() > 0) return true;
  1280. else return false;
  1281. }
  1282. } else {
  1283. // Assign user like a coach to course
  1284. // First check if the user is registered in the course
  1285. $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'";
  1286. $rs_check = Database::query($sql);
  1287. //Then update or insert
  1288. if (Database::num_rows($rs_check) > 0) {
  1289. $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 2 WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  1290. $rs_update = Database::query($sql);
  1291. if (Database::affected_rows() > 0) return true;
  1292. else return false;
  1293. } else {
  1294. $sql = " INSERT INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, status) VALUES('$session_id', '$course_code', '$user_id', 2)";
  1295. $rs_insert = Database::query($sql);
  1296. if (Database::affected_rows() > 0) return true;
  1297. else return false;
  1298. }
  1299. }
  1300. } else {
  1301. return false;
  1302. }
  1303. }
  1304. /**
  1305. * Subscribes sessions to human resource manager (Dashboard feature)
  1306. * @param int Human Resource Manager id
  1307. * @param array Sessions id
  1308. * @param int Relation type
  1309. **/
  1310. public static function suscribe_sessions_to_hr_manager($hr_manager_id,$sessions_list) {
  1311. global $_configuration;
  1312. // Database Table Definitions
  1313. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1314. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1315. $tbl_session_rel_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1316. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1317. $hr_manager_id = intval($hr_manager_id);
  1318. $affected_rows = 0;
  1319. //Deleting assigned sessions to hrm_id
  1320. if ($_configuration['multiple_access_urls']) {
  1321. $sql = "SELECT id_session FROM $tbl_session_rel_user s INNER JOIN $tbl_session_rel_access_url a ON (a.session_id = s.id_session) WHERE id_user = $hr_manager_id AND relation_type=".SESSION_RELATION_TYPE_RRHH." AND access_url_id = ".api_get_current_access_url_id()."";
  1322. } else {
  1323. $sql = "SELECT id_session FROM $tbl_session_rel_user s WHERE id_user = $hr_manager_id AND relation_type=".SESSION_RELATION_TYPE_RRHH."";
  1324. }
  1325. $result = Database::query($sql);
  1326. if (Database::num_rows($result) > 0) {
  1327. while ($row = Database::fetch_array($result)) {
  1328. $sql = "DELETE FROM $tbl_session_rel_user WHERE id_session = {$row['id_session']} AND id_user = $hr_manager_id AND relation_type=".SESSION_RELATION_TYPE_RRHH." ";
  1329. Database::query($sql);
  1330. }
  1331. }
  1332. /*
  1333. //Deleting assigned courses in sessions to hrm_id
  1334. $sql = "SELECT * FROM $tbl_session_rel_course_user WHERE id_user = $hr_manager_id ";
  1335. $result = Database::query($sql);
  1336. if (Database::num_rows($result) > 0) {
  1337. $sql = "DELETE FROM $tbl_session_rel_course_user WHERE id_user = $hr_manager_id ";
  1338. Database::query($sql);
  1339. }
  1340. */
  1341. // inserting new sessions list
  1342. if (is_array($sessions_list)) {
  1343. foreach ($sessions_list as $session_id) {
  1344. $session_id = intval($session_id);
  1345. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_user(id_session, id_user, relation_type) VALUES($session_id, $hr_manager_id, '".SESSION_RELATION_TYPE_RRHH."')";
  1346. Database::query($insert_sql);
  1347. $affected_rows = Database::affected_rows();
  1348. }
  1349. }
  1350. return $affected_rows;
  1351. }
  1352. /**
  1353. * Get sessions followed by human resources manager
  1354. * @param int Human resources manager or Session admin id
  1355. * @return array sessions
  1356. */
  1357. public static function get_sessions_followed_by_drh($hr_manager_id) {
  1358. global $_configuration;
  1359. // Database Table Definitions
  1360. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1361. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1362. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1363. $hr_manager_id = intval($hr_manager_id);
  1364. $assigned_sessions_to_hrm = array();
  1365. if ($_configuration['multiple_access_urls']) {
  1366. $sql = "SELECT * FROM $tbl_session s INNER JOIN $tbl_session_rel_user sru ON (sru.id_session = s.id) LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
  1367. WHERE sru.id_user = '$hr_manager_id' AND sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' AND access_url_id = ".api_get_current_access_url_id()."";
  1368. } else {
  1369. $sql = "SELECT * FROM $tbl_session s
  1370. INNER JOIN $tbl_session_rel_user sru ON sru.id_session = s.id AND sru.id_user = '$hr_manager_id' AND sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' ";
  1371. }
  1372. $rs_assigned_sessions = Database::query($sql);
  1373. if (Database::num_rows($rs_assigned_sessions) > 0) {
  1374. while ($row_assigned_sessions = Database::fetch_array($rs_assigned_sessions)) {
  1375. $assigned_sessions_to_hrm[$row_assigned_sessions['id']] = $row_assigned_sessions;
  1376. }
  1377. }
  1378. return $assigned_sessions_to_hrm;
  1379. }
  1380. /**
  1381. * Gets the list of courses by session filtered by access_url
  1382. * @param int session id
  1383. * @return array list of courses
  1384. */
  1385. public static function get_course_list_by_session_id ($session_id) {
  1386. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  1387. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1388. // select the courses
  1389. $sql = "SELECT * FROM $tbl_course c INNER JOIN $tbl_session_rel_course src ON c.code = src.course_code
  1390. WHERE src.id_session = '$session_id' ORDER BY title;";
  1391. $result = Database::query($sql);
  1392. $num_rows = Database::num_rows($result);
  1393. $courses = array();
  1394. if ($num_rows > 0) {
  1395. while ($row = Database::fetch_array($result,'ASSOC')) {
  1396. $courses[$row['id']] = $row;
  1397. }
  1398. }
  1399. return $courses;
  1400. }
  1401. /**
  1402. * Get the session id based on the original id and field name in the extra fields. Returns 0 if session was not found
  1403. *
  1404. * @param string Original session id
  1405. * @param string Original field name
  1406. * @return int Session id
  1407. */
  1408. public static function get_session_id_from_original_id($original_session_id_value, $original_session_id_name) {
  1409. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1410. $table_field = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1411. $sql_session = "SELECT session_id FROM $table_field sf INNER JOIN $t_sfv sfv ON sfv.field_id=sf.id WHERE field_variable='$original_session_id_name' AND field_value='$original_session_id_value'";
  1412. $res_session = Database::query($sql_session);
  1413. $row = Database::fetch_object($res_session);
  1414. if ($row) {
  1415. return $row->session_id;
  1416. } else {
  1417. return 0;
  1418. }
  1419. }
  1420. /**
  1421. * Get users by session
  1422. * @param int session id
  1423. * @param int filter by status
  1424. * @return array a list with an user list
  1425. */
  1426. public static function get_users_by_session($id, $with_status = null) {
  1427. if (empty($id)) {
  1428. return array();
  1429. }
  1430. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1431. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1432. $id = intval($id);
  1433. if (api_is_multiple_url_enabled()) {
  1434. $url_id = api_get_current_access_url_id();
  1435. $sql = "SELECT u.user_id, lastname, firstname, username, access_url_id, moved_to, moved_status, moved_at
  1436. FROM $tbl_user u
  1437. INNER JOIN $tbl_session_rel_user su
  1438. ON u.user_id = su.id_user AND su.relation_type<>".SESSION_RELATION_TYPE_RRHH."
  1439. LEFT OUTER JOIN $tbl_session_rel_user uu ON (uu.user_id = u.user_id)
  1440. WHERE su.id_session = $id AND (access_url_id = $url_id OR access_url_id is null )";
  1441. } else {
  1442. $sql = "SELECT u.user_id, lastname, firstname, username, moved_to, moved_status, moved_at
  1443. FROM $tbl_user u INNER JOIN $tbl_session_rel_user su
  1444. ON u.user_id = su.id_user AND
  1445. su.id_session = $id
  1446. ";
  1447. }
  1448. if (isset($with_status) && $with_status != '') {
  1449. $with_status = intval($with_status);
  1450. $sql .= " WHERE relation_type = $with_status ";
  1451. }
  1452. $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname' : ' ORDER BY lastname, firstname';
  1453. $sql .= $order_clause;
  1454. $result = Database::query($sql);
  1455. while ($row = Database::fetch_array($result,'ASSOC')) {
  1456. $return_array[] = $row;
  1457. }
  1458. return $return_array;
  1459. }
  1460. /**
  1461. * The general coach (field: session.id_coach)
  1462. * @param int user id
  1463. */
  1464. public static function get_sessions_by_general_coach($user_id) {
  1465. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1466. $user_id = intval($user_id);
  1467. // session where we are general coach
  1468. $sql = "SELECT DISTINCT *
  1469. FROM $session_table
  1470. WHERE id_coach = $user_id";
  1471. if (api_is_multiple_url_enabled()) {
  1472. $tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1473. $access_url_id = api_get_current_access_url_id();
  1474. if ($access_url_id != -1) {
  1475. $sql = 'SELECT DISTINCT session.*
  1476. FROM '.$session_table.' session INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
  1477. ON (session.id = session_rel_url.session_id)
  1478. WHERE id_coach = '.$user_id.' AND access_url_id = '.$access_url_id;
  1479. }
  1480. }
  1481. $sql .= ' ORDER by name';
  1482. $result = Database::query($sql);
  1483. return Database::store_result($result, 'ASSOC');
  1484. }
  1485. /**
  1486. * Get all sessions if the user is a sesion course coach of any session
  1487. * @param int user id
  1488. */
  1489. static function get_sessions_by_coach($user_id) {
  1490. // table definition
  1491. $tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
  1492. $tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1493. $sql = 'SELECT DISTINCT session.*
  1494. FROM ' . $tbl_session . ' as session
  1495. INNER JOIN ' . $tbl_session_course_user . ' as session_course_user
  1496. ON session.id = session_course_user.id_session
  1497. AND session_course_user.id_user=' . $user_id.' AND session_course_user.status=2';
  1498. if (api_is_multiple_url_enabled()) {
  1499. $tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1500. $access_url_id = api_get_current_access_url_id();
  1501. if ($access_url_id != -1){
  1502. $sql = 'SELECT DISTINCT session.*
  1503. FROM '.$tbl_session.' as session
  1504. INNER JOIN ' . $tbl_session_course_user . ' as session_course_user
  1505. ON session.id = session_course_user.id_session AND session_course_user.id_user = '.$user_id.' AND session_course_user.status=2
  1506. INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
  1507. ON (session.id = session_rel_url.session_id)
  1508. WHERE access_url_id = '.$access_url_id;
  1509. }
  1510. }
  1511. //$sql .= " ORDER BY session.name";
  1512. $result = Database::query($sql);
  1513. return Database::store_result($result, 'ASSOC');
  1514. }
  1515. public static function get_sessions_coached_by_user($coach_id) {
  1516. $sessions = self::get_sessions_by_general_coach($coach_id);
  1517. $sessions_by_coach = self::get_sessions_by_coach($coach_id);
  1518. if (!empty($sessions_by_coach)) {
  1519. $sessions = array_merge($sessions, $sessions_by_coach);
  1520. }
  1521. return $sessions;
  1522. }
  1523. /**
  1524. * Gets user status within a session
  1525. * @param $user_id
  1526. * @param $course_code
  1527. * @param $session_id
  1528. * @return unknown_type
  1529. */
  1530. public static function get_user_status_in_course_session($user_id, $course_code, $session_id) {
  1531. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1532. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1533. $sql = "SELECT session_rcru.status
  1534. FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  1535. WHERE session_rcru.id_user = user.user_id AND
  1536. session_rcru.id_session = '".intval($session_id)."' AND
  1537. session_rcru.course_code ='".Database::escape_string($course_code)."' AND
  1538. user.user_id = ".intval($user_id);
  1539. $result = Database::query($sql);
  1540. $status = false;
  1541. if (Database::num_rows($result)) {
  1542. $status = Database::fetch_row($result);
  1543. $status = $status['0'];
  1544. }
  1545. return $status;
  1546. }
  1547. static function get_user_status_in_session($session_id, $user_id) {
  1548. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1549. $session_id = intval($session_id);
  1550. $user_id = intval($user_id);
  1551. $sql = "SELECT * FROM $tbl_session_rel_user WHERE id_user = $user_id AND id_session = $session_id";
  1552. $result = Database::query($sql);
  1553. if (Database::num_rows($result)) {
  1554. $result = Database::store_result($result, 'ASSOC');
  1555. return $result[0];
  1556. }
  1557. return array();
  1558. }
  1559. function get_all_sessions_by_promotion($id) {
  1560. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  1561. return Database::select('*', $t, array('where'=>array('promotion_id = ?'=>$id)));
  1562. }
  1563. function suscribe_sessions_to_promotion($promotion_id, $list) {
  1564. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  1565. $params = array();
  1566. $params['promotion_id'] = 0;
  1567. Database::update($t, $params, array('promotion_id = ?'=>$promotion_id));
  1568. $params['promotion_id'] = $promotion_id;
  1569. if (!empty($list)) {
  1570. foreach ($list as $session_id) {
  1571. $session_id= intval($session_id);
  1572. Database::update($t, $params, array('id = ?'=>$session_id));
  1573. }
  1574. }
  1575. }
  1576. /**
  1577. * Updates a session status
  1578. * @param int session id
  1579. * @param int status
  1580. */
  1581. public function set_session_status($session_id, $status) {
  1582. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  1583. $params['visibility'] = $status;
  1584. Database::update($t, $params, array('id = ?'=>$session_id));
  1585. }
  1586. /**
  1587. * Copies a session with the same data to a new session.
  1588. * The new copy is not assigned to the same promotion. @see suscribe_sessions_to_promotions() for that
  1589. * @param int Session ID
  1590. * @param bool Whether to copy the relationship with courses
  1591. * @param bool Whether to copy the relationship with users
  1592. * @param bool New courses will be created
  1593. * @return int The new session ID on success, 0 otherwise
  1594. * @todo make sure the extra session fields are copied too
  1595. */
  1596. /**
  1597. * @param $id
  1598. * @param $copy_courses
  1599. * @param $copy_users
  1600. * @param $create_new_courses
  1601. * @param $set_exercises_lp_invisible
  1602. * @return unknown_type
  1603. */
  1604. public function copy_session($id, $copy_courses = true, $copy_users = true, $create_new_courses = false, $set_exercises_lp_invisible = false) {
  1605. $id = intval($id);
  1606. $params = self::fetch($id);
  1607. $params['name'] = $params['name'].' '.get_lang('CopyLabelSuffix');
  1608. $sid = self::add($params);
  1609. if (!is_numeric($sid) || empty($sid)) {
  1610. return false;
  1611. }
  1612. if ($copy_courses) {
  1613. // Register courses from the original session to the new session
  1614. $courses = self::get_course_list_by_session_id($id);
  1615. $short_courses = $new_short_courses = array();
  1616. if (is_array($courses) && count($courses)>0) {
  1617. foreach ($courses as $course) {
  1618. $short_courses[] = $course;
  1619. }
  1620. }
  1621. $courses = null;
  1622. //We will copy the current courses of the session to new courses
  1623. if (!empty($short_courses)) {
  1624. if ($create_new_courses) {
  1625. //Just in case
  1626. if (function_exists('ini_set')) {
  1627. ini_set('memory_limit','256M');
  1628. ini_set('max_execution_time',0);
  1629. }
  1630. $params = array();
  1631. $params['skip_lp_dates'] = true;
  1632. foreach ($short_courses as $course_data) {
  1633. $course_info = CourseManager::copy_course_simple($course_data['title'].' '.get_lang('CopyLabelSuffix'), $course_data['course_code'], $id, $sid, $params);
  1634. if ($course_info) {
  1635. //By default new elements are invisible
  1636. if ($set_exercises_lp_invisible) {
  1637. require_once api_get_path(SYS_CODE_PATH).'newscorm/learnpathList.class.php';
  1638. $list = new LearnpathList('', $course_info['code'], $sid);
  1639. $flat_list = $list->get_flat_list();
  1640. if (!empty($flat_list)) {
  1641. foreach($flat_list as $lp_id => $data) {
  1642. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0 ,0, 0, 0, $sid);
  1643. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0 ,0, 0, 0);
  1644. }
  1645. }
  1646. $quiz_table = Database::get_course_table(TABLE_QUIZ_TEST);
  1647. $course_id = $course_info['real_id'];
  1648. //@todo check this query
  1649. //Disabling quiz items
  1650. $sql = "UPDATE $quiz_table SET active = 0 WHERE c_id = $course_id ";
  1651. Database::query($sql);
  1652. }
  1653. $new_short_courses[] = $course_info['code'];
  1654. }
  1655. }
  1656. } else {
  1657. foreach($short_courses as $course_data) {
  1658. $new_short_courses[] = $course_data['code'];
  1659. }
  1660. }
  1661. $short_courses = $new_short_courses;
  1662. $res = self::add_courses_to_session($sid, $short_courses, true);
  1663. $short_courses = null;
  1664. }
  1665. }
  1666. if ($copy_users) {
  1667. // Register users from the original session to the new session
  1668. $users = self::get_users_by_session($id);
  1669. $short_users = array();
  1670. if (is_array($users) && count($users)>0) {
  1671. foreach ($users as $user) {
  1672. $short_users[] = $user['user_id'];
  1673. }
  1674. }
  1675. $users = null;
  1676. //Subscribing in read only mode
  1677. $res = self::suscribe_users_to_session($sid, $short_users, SESSION_VISIBLE_READ_ONLY, true, false);
  1678. $short_users = null;
  1679. }
  1680. return $sid;
  1681. }
  1682. static function user_is_general_coach($user_id, $session_id) {
  1683. $session_id = intval($session_id);
  1684. $user_id = intval($user_id);
  1685. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1686. $sql = "SELECT DISTINCT id
  1687. FROM $session_table
  1688. WHERE session.id_coach = '".$user_id."' AND id = '$session_id'";
  1689. $result = Database::query($sql);
  1690. if ($result && Database::num_rows($result)) {
  1691. return true;
  1692. }
  1693. return false;
  1694. }
  1695. /**
  1696. * Get the number of sessions
  1697. * @param int ID of the URL we want to filter on (optional)
  1698. * @return int Number of sessions
  1699. */
  1700. public function count_sessions($access_url_id=null) {
  1701. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1702. $access_url_rel_session_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1703. $sql = "SELECT count(id) FROM $session_table s";
  1704. if (!empty($access_url_id) && $access_url_id == intval($access_url_id)) {
  1705. $sql .= ", $access_url_rel_session_table u ".
  1706. " WHERE s.id = u.session_id AND u.access_url_id = $access_url_id";
  1707. }
  1708. $res = Database::query($sql);
  1709. $row = Database::fetch_row($res);
  1710. return $row[0];
  1711. }
  1712. static function protect_session_edit($id) {
  1713. api_protect_admin_script(true);
  1714. $session_info = self::fetch($id);
  1715. if (empty($session_info)) {
  1716. api_not_allowed(true);
  1717. }
  1718. if (!api_is_platform_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') != 'true') {
  1719. if ($session_info['session_admin_id'] != api_get_user_id()) {
  1720. api_not_allowed(true);
  1721. }
  1722. }
  1723. }
  1724. static function get_session_by_course($course_code) {
  1725. $table_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1726. $table_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1727. $course_code = Database::escape_string($course_code);
  1728. $sql = "SELECT name, s.id FROM $table_session_course sc INNER JOIN $table_session s ON (sc.id_session = s.id)
  1729. WHERE sc.course_code = '$course_code' ";
  1730. $result = Database::query($sql);
  1731. return Database::store_result($result);
  1732. }
  1733. /**
  1734. * @todo Add constatns in a DB table
  1735. */
  1736. static function get_session_change_user_reasons() {
  1737. return array (
  1738. self::SESSION_CHANGE_USER_REASON_SCHEDULE => get_lang('ScheduleChanged'),
  1739. self::SESSION_CHANGE_USER_REASON_CLASSROOM => get_lang('ClassRoomChanged'),
  1740. self::SESSION_CHANGE_USER_REASON_LOCATION => get_lang('LocationChanged'),
  1741. //self::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION => get_lang('EnrollmentAnnulation'),
  1742. );
  1743. }
  1744. static function get_session_change_user_reasons_variations() {
  1745. return array (
  1746. self::SESSION_CHANGE_USER_REASON_SCHEDULE => array(
  1747. 'default' => get_lang('ScheduleChanged'),
  1748. 'from' => get_lang('ScheduleChangedFrom'),
  1749. 'to' => get_lang('ScheduleChangedTo'),
  1750. ),
  1751. self::SESSION_CHANGE_USER_REASON_CLASSROOM => array(
  1752. 'default' => get_lang('ClassRoomChanged'),
  1753. 'from' => get_lang('ClassRoomChangedFrom'),
  1754. 'to' => get_lang('ClassRoomChangedTo'),
  1755. ),
  1756. self::SESSION_CHANGE_USER_REASON_LOCATION => array(
  1757. 'default' => get_lang('LocationChanged'),
  1758. 'from' => get_lang('LocationChangedFrom'),
  1759. 'to' => get_lang('LocationChangedTo'),
  1760. )
  1761. );
  1762. }
  1763. static function get_session_change_user_reasons_variations_by_id($id, $type) {
  1764. $reasons = self::get_session_change_user_reasons_variations();
  1765. $my_reason = isset($reasons[$id]) ? $reasons[$id] : null;
  1766. return isset($my_reason[$type]) ? $my_reason[$type] : null;
  1767. }
  1768. static function get_session_changed_reason_label($id, $type) {
  1769. switch ($type) {
  1770. case 'origin':
  1771. break;
  1772. case 'destination':
  1773. break;
  1774. }
  1775. }
  1776. /**
  1777. * Gets the reason name
  1778. * @param int reason id
  1779. */
  1780. static function get_session_change_user_reason($id) {
  1781. $reasons = self::get_session_change_user_reasons();
  1782. return isset($reasons[$id]) ? $reasons[$id] : null;
  1783. }
  1784. /**
  1785. * Changes the user from one session to another due a reason
  1786. */
  1787. static function change_user_session($user_id, $old_session_id, $new_session_id, $reason_id) {
  1788. if (!empty($user_id) && !empty($old_session_id) && !empty($new_session_id)) {
  1789. $user_id = intval($user_id);
  1790. $old_session_id = intval($old_session_id);
  1791. $new_session_id = intval($new_session_id);
  1792. $reason_id = intval($reason_id);
  1793. //self::unsubscribe_user_from_session($old_session_id, $user_id, $reason_id);
  1794. //$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1795. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1796. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1797. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1798. // Update number of users
  1799. $update_sql = "UPDATE $tbl_session SET nbr_users = nbr_users - 1 WHERE id = '$old_session_id' ";
  1800. Database::query($update_sql);
  1801. // Get the list of courses related to this session
  1802. $course_list = SessionManager::get_course_list_by_session_id($old_session_id);
  1803. if (!empty($course_list)) {
  1804. foreach ($course_list as $course) {
  1805. $course_code = $course['code'];
  1806. // Delete user from course
  1807. //Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$session_id' AND course_code='$course_code' AND id_user='$user_id'");
  1808. //if (Database::affected_rows()) {
  1809. // Update number of users in this relation
  1810. $sql = "UPDATE $tbl_session_rel_course SET nbr_users = nbr_users - 1 WHERE id_session = '$old_session_id' AND course_code='$course_code'";
  1811. Database::query($sql);
  1812. //}
  1813. }
  1814. }
  1815. //Deal with reasons
  1816. switch ($reason_id) {
  1817. case self::SESSION_CHANGE_USER_REASON_SCHEDULE:
  1818. case self::SESSION_CHANGE_USER_REASON_CLASSROOM:
  1819. case self::SESSION_CHANGE_USER_REASON_LOCATION:
  1820. //Adding to the new session
  1821. self::suscribe_users_to_session($new_session_id, array($user_id), null, false);
  1822. //Setting move_to if session was provided
  1823. $sql = "UPDATE $tbl_session_rel_user SET moved_to = '$new_session_id'
  1824. WHERE id_session = '$old_session_id' AND id_user ='$user_id'";
  1825. Database::query($sql);
  1826. break;
  1827. case self::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION:
  1828. UserManager::deactivate_users(array($user_id));
  1829. break;
  1830. }
  1831. $now = api_get_utc_datetime();
  1832. //Setting the moved_status
  1833. $sql = "UPDATE $tbl_session_rel_user SET moved_status = $reason_id, moved_at = '$now'
  1834. WHERE id_session = '$old_session_id' AND id_user ='$user_id'";
  1835. Database::query($sql);
  1836. return true;
  1837. }
  1838. return;
  1839. }
  1840. /**
  1841. * Get users inside a course session
  1842. */
  1843. static function get_users_in_course_session($course_code, $id_session, $sort, $direction, $from = null, $limit = null) {
  1844. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1845. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1846. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1847. $course_code = Database::escape_string($course_code);
  1848. $id_session = Database::escape_string($id_session);
  1849. $from = intval($from);
  1850. $limit = intval($limit);
  1851. $is_western_name_order = api_is_western_name_order();
  1852. //Select the number of users
  1853. $sql = " SELECT DISTINCT u.user_id,".($is_western_name_order ? 'u.firstname, u.lastname' : 'u.lastname, u.firstname').", u.username, scru.id_user as is_subscribed
  1854. FROM $tbl_session_rel_user sru INNER JOIN $tbl_user u ON (u.user_id=sru.id_user)
  1855. LEFT JOIN $tbl_session_rel_course_rel_user scru ON (u.user_id = scru.id_user AND scru.course_code = '".$course_code."' )
  1856. WHERE sru.id_session = '$id_session' AND
  1857. sru.moved_to = 0 AND sru.moved_status <> ".SessionManager::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION." AND
  1858. sru.relation_type<>".SESSION_RELATION_TYPE_RRHH;
  1859. $sql .= " ORDER BY $sort $direction ";
  1860. if (!empty($from) && !empty($limit)) {
  1861. $sql .= " LIMIT $from, $limit";
  1862. }
  1863. $result = Database::query($sql);
  1864. if (Database::num_rows($result)) {
  1865. return Database::store_result($result);
  1866. }
  1867. return false;
  1868. }
  1869. static function get_count_users_in_course_session($course_code, $id_session) {
  1870. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1871. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1872. //Select the number of users
  1873. $sql = " SELECT count(*) FROM $tbl_session_rel_user sru, $tbl_session_rel_course_rel_user srcru
  1874. WHERE srcru.id_user = sru.id_user AND
  1875. srcru.id_session = sru.id_session AND
  1876. srcru.course_code = '".Database::escape_string($course_code)."' AND
  1877. srcru.id_session = '".intval($id_session)."' AND
  1878. (sru.moved_to = 0 AND sru.moved_status <> ".SessionManager::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION.") AND
  1879. sru.relation_type<>".SESSION_RELATION_TYPE_RRHH;
  1880. $result = Database::query($sql);
  1881. if (Database::num_rows($result)) {
  1882. return Database::result($result,0,0);
  1883. }
  1884. return 0;
  1885. }
  1886. /**
  1887. * Get the list of coaches (only user ids)
  1888. * @param string course_code
  1889. * @param in session_id
  1890. * @return array
  1891. */
  1892. static function get_session_course_coaches($course_code, $session_id) {
  1893. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1894. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1895. // Get coachs of the courses in session
  1896. $sql = "SELECT user.user_id FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  1897. WHERE session_rcru.id_user = user.user_id AND
  1898. session_rcru.id_session = '".intval($session_id)."' AND
  1899. session_rcru.course_code ='".Database::escape_string($course_code)."' AND
  1900. session_rcru.status=2";
  1901. $result = Database::query($sql);
  1902. return Database::store_result($result);
  1903. }
  1904. static function get_session_course_coaches_by_user($course_code, $session_id, $user_id) {
  1905. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1906. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1907. // Get coachs of the courses in session
  1908. $sql = "SELECT user.user_id FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  1909. WHERE session_rcru.id_user = user.user_id AND
  1910. session_rcru.id_session = '".intval($session_id)."' AND
  1911. session_rcru.course_code ='".Database::escape_string($course_code)."' AND
  1912. session_rcru.status=2";
  1913. $result = Database::query($sql);
  1914. return Database::store_result($result);
  1915. }
  1916. static function get_session_course_coaches_to_string($course_code, $session_id) {
  1917. $coaches = self::get_session_course_coaches($course_code, $session_id);
  1918. if (!empty($coaches)) {
  1919. $coach_list = array();
  1920. foreach ($coaches as $coach_info) {
  1921. $user_info = api_get_user_info($coach_info['user_id']);
  1922. $coach_list[] = $user_info['complete_name'];
  1923. }
  1924. if (!empty($coach_list)) {
  1925. return implode(', ', $coach_list);
  1926. }
  1927. }
  1928. return get_lang('None');
  1929. }
  1930. static function delete_course_in_session($id_session, $course_code) {
  1931. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1932. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1933. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1934. $id_session = intval($id_session);
  1935. $course_code = Database::escape_string($course_code);
  1936. if (!empty($id_session) && !empty($course_code)) {
  1937. Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session='$id_session' AND course_code = '$course_code'");
  1938. $nbr_affected_rows=Database::affected_rows();
  1939. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND course_code = '$course_code'");
  1940. Database::query("UPDATE $tbl_session SET nbr_courses=nbr_courses-$nbr_affected_rows WHERE id='$id_session'");
  1941. }
  1942. }
  1943. static function get_sessions_by_user($user_id) {
  1944. $session_categories = UserManager::get_sessions_by_category($user_id);
  1945. $session_array = array();
  1946. if (!empty($session_categories)) {
  1947. foreach ($session_categories as $category) {
  1948. if (isset($category['sessions'])) {
  1949. foreach ($category['sessions'] as $session) {
  1950. $session_array[] = $session;
  1951. }
  1952. }
  1953. }
  1954. }
  1955. return $session_array;
  1956. }
  1957. static function get_session_rel_user_by_moved_to($session_id, $user_id) {
  1958. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1959. $sql = "SELECT id_session, moved_status, moved_at FROM $tbl_session_rel_user WHERE id_user = $user_id AND moved_to = $session_id LIMIT 1";
  1960. $result = Database::query($sql);
  1961. $result = Database::store_result($result,'ASSOC');
  1962. return $result[0];
  1963. }
  1964. static function get_coaches_by_keyword($tag) {
  1965. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1966. $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname, username' : ' ORDER BY lastname, firstname, username';
  1967. $select ="SELECT user.user_id, lastname, firstname, username ";
  1968. $sql = " $select FROM $tbl_user user WHERE status='1'";
  1969. $tag = Database::escape_string($tag);
  1970. $where_condition = array();
  1971. if (!empty($tag)) {
  1972. $condition = ' LIKE "%'.$tag.'%"';
  1973. $where_condition = array( "firstname $condition",
  1974. "lastname $condition",
  1975. "username $condition"
  1976. );
  1977. $where_condition = ' AND ('.implode(' OR ', $where_condition).') ';
  1978. }
  1979. if (api_is_multiple_url_enabled()) {
  1980. $tbl_user_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  1981. $access_url_id = api_get_current_access_url_id();
  1982. if ($access_url_id != -1){
  1983. $sql = $select.' FROM '.$tbl_user.' user
  1984. INNER JOIN '.$tbl_user_rel_access_url.' url_user ON (url_user.user_id=user.user_id)
  1985. WHERE access_url_id = '.$access_url_id.' AND status = 1';
  1986. }
  1987. }
  1988. $sql .= $where_condition.$order_clause;
  1989. $result = Database::query($sql);
  1990. return Database::store_result($result, 'ASSOC');
  1991. }
  1992. /**
  1993. * Returns a human readable string
  1994. * @params array An array with all the session dates
  1995. * @return string
  1996. */
  1997. static function parse_session_dates($session_info) {
  1998. //This will clean the variables if 0000-00-00 00:00:00 the variable will be empty
  1999. $start_date = api_get_local_time($session_info['display_start_date'], null, null, true);
  2000. $end_date = api_get_local_time($session_info['display_end_date'], null, null, true);
  2001. if (!empty($start_date) && !empty($end_date)) {
  2002. //$msg_date = get_lang('From').' '.$start_date.' '.get_lang('To').' '.$end_date;
  2003. $msg_date = sprintf(get_lang('FromDateXToDateY'), $start_date, $end_date);
  2004. } else {
  2005. if (!empty($start_date)) {
  2006. $msg_date = get_lang('From').' '.$start_date;
  2007. }
  2008. if (!empty($end_date)) {
  2009. $msg_date = get_lang('Until').' '.$end_date;
  2010. }
  2011. }
  2012. return $msg_date;
  2013. }
  2014. static public function get_session_columns() {
  2015. $columns = array(
  2016. get_lang('Name'),
  2017. get_lang('SessionDisplayStartDate'),
  2018. get_lang('SessionDisplayEndDate'),
  2019. get_lang('SessionCategoryName'),
  2020. get_lang('Coach'),
  2021. get_lang('Status'),
  2022. get_lang('Visibility'),
  2023. get_lang('CourseTitle'),
  2024. );
  2025. //$activeurl = '?sidx=session_active';
  2026. //Column config
  2027. $operators = array('cn', 'nc');
  2028. $date_operators = array('gt', 'ge', 'lt', 'le');
  2029. $column_model = array (
  2030. array('name'=>'name', 'index'=>'name', 'width'=>'120', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('sopt' => $operators)),
  2031. array('name'=>'display_start_date', 'index'=>'display_start_date', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('dataInit' => 'date_pick_today', 'sopt' => $date_operators)),
  2032. array('name'=>'display_end_date', 'index'=>'display_end_date', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('dataInit' => 'date_pick_one_month', 'sopt' => $date_operators)),
  2033. array('name'=>'category_name', 'index'=>'category_name', 'hidden' => 'true', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true', 'sopt' => $operators)),
  2034. //array('name'=>'access_start_date', 'index'=>'access_start_date', 'width'=>'60', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true')),
  2035. //array('name'=>'access_end_date', 'index'=>'access_end_date', 'width'=>'60', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true')),
  2036. array('name'=>'coach_name', 'index'=>'coach_name', 'width'=>'70', 'align'=>'left', 'search' => 'false', 'searchoptions' => array('sopt' => $operators)),
  2037. array('name'=>'session_active', 'index'=>'session_active', 'width'=>'40', 'align'=>'left', 'search' => 'true', 'stype'=>'select',
  2038. //for the bottom bar
  2039. 'searchoptions' => array(
  2040. 'defaultValue' => '1',
  2041. 'value' => '1:'.get_lang('Active').';0:'.get_lang('Inactive')),
  2042. //for the top bar
  2043. //'editoptions' => array('value' => '" ":'.get_lang('All').';1:'.get_lang('Active').';0:'.get_lang('Inactive'))
  2044. ),
  2045. //array('name'=>'course_code', 'index'=>'course_code', 'width'=>'40', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
  2046. array('name'=>'visibility', 'index'=>'visibility', 'width'=>'40', 'align'=>'left', 'search' => 'false'),
  2047. array('name'=>'course_title', 'index'=>'course_title', 'width'=>'40', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
  2048. );
  2049. //Inject extra session fields
  2050. $session_field = new SessionField();
  2051. $session_field_option = new SessionFieldOption();
  2052. $fields = $session_field->get_all(array('field_visible = ? AND field_filter = ?' => array(1, 1)));
  2053. $rules = array();
  2054. /*
  2055. $now = new DateTime();
  2056. $now->add(new DateInterval('P30D'));
  2057. $one_month = $now->format('Y-m-d H:m:s');*/
  2058. //$rules[] = array( "field" => "name", "op" => "cn", "data" => "");
  2059. //$rules[] = array( "field" => "category_name", "op" => "cn", "data" => "");
  2060. //$rules[] = array( "field" => "course_title", "op" => "cn", "data" => '');
  2061. //$rules[] = array( "field" => "display_start_date", "op" => "ge", "data" => api_get_local_time());
  2062. //$rules[] = array( "field" => "display_end_date", "op" => "le", "data" => api_get_local_time($one_month));
  2063. // var_dump($fields);exit;
  2064. if (!empty($fields)) {
  2065. foreach ($fields as $field) {
  2066. $search_options = array();
  2067. $type = 'text';
  2068. if (in_array($field['field_type'], array(ExtraField::FIELD_TYPE_SELECT, ExtraField::FIELD_TYPE_DOUBLE_SELECT))) {
  2069. $type = 'select';
  2070. $search_options['sopt'] = array('eq', 'ne'); //equal not equal
  2071. } else {
  2072. $search_options['sopt'] = array('cn', 'nc');//contains not contains
  2073. }
  2074. $search_options['searchhidden'] = 'true';
  2075. $search_options['defaultValue'] = $search_options['field_default_value'];
  2076. if ($field['field_type'] == ExtraField::FIELD_TYPE_DOUBLE_SELECT) {
  2077. //Add 2 selects
  2078. $options = $session_field_option->get_field_options_by_field($field['id']);
  2079. $options = ExtraField::extra_field_double_select_convert_array_to_ordered_array($options);
  2080. $first_options = array();
  2081. if (!empty($options)) {
  2082. foreach ($options as $option) {
  2083. foreach ($option as $sub_option) {
  2084. if ($sub_option['option_value'] == 0) {
  2085. $first_options[] = $sub_option['field_id'].'#'.$sub_option['id'].':'.$sub_option['option_display_text'];
  2086. } else {
  2087. }
  2088. }
  2089. }
  2090. }
  2091. $search_options['value'] = implode(';', $first_options);
  2092. $search_options['dataInit'] = 'fill_second_select';
  2093. //First
  2094. $column_model[] = array(
  2095. 'name' => 'extra_'.$field['field_variable'],
  2096. 'index' => 'extra_'.$field['field_variable'],
  2097. 'width' => '100',
  2098. 'hidden' => 'true',
  2099. 'search' => 'true',
  2100. 'stype' => 'select',
  2101. 'searchoptions' => $search_options
  2102. );
  2103. $columns[] = $field['field_display_text'].' (1)';
  2104. $rules[] = array('field' => 'extra_'.$field['field_variable'], 'op' => 'cn');
  2105. //Second
  2106. $search_options['value'] = $field['id'].':';
  2107. $search_options['dataInit'] = 'register_second_select';
  2108. $column_model[] = array(
  2109. 'name' => 'extra_'.$field['field_variable'].'_second',
  2110. 'index' => 'extra_'.$field['field_variable'].'_second',
  2111. 'width' => '100',
  2112. 'hidden' => 'true',
  2113. 'search' => 'true',
  2114. 'stype' => 'select',
  2115. 'searchoptions' => $search_options
  2116. );
  2117. $columns[] = $field['field_display_text'].' (2)';
  2118. $rules[] = array('field' => 'extra_'.$field['field_variable'].'_second', 'op' => 'cn');
  2119. continue;
  2120. } else {
  2121. $search_options['value'] = $session_field_option->get_field_options_to_string($field['id']);
  2122. }
  2123. $column_model[] = array(
  2124. 'name' => 'extra_'.$field['field_variable'],
  2125. 'index' => 'extra_'.$field['field_variable'],
  2126. 'width' => '100',
  2127. 'hidden' => 'true',
  2128. 'search' => 'true',
  2129. 'stype' => $type,
  2130. 'searchoptions' => $search_options
  2131. );
  2132. $columns[] = $field['field_display_text'];
  2133. $rules[] = array('field' => 'extra_'.$field['field_variable'], 'op' => 'cn');
  2134. }
  2135. }
  2136. $column_model[] = array('name'=>'actions', 'index'=>'actions', 'width'=>'80', 'align'=>'left','formatter'=>'action_formatter','sortable'=>'false', 'search' => 'false');
  2137. $columns[] = get_lang('Actions');
  2138. foreach ($column_model as $col_model) {
  2139. $simple_column_name[] = $col_model['name'];
  2140. }
  2141. $return_array = array(
  2142. 'columns' => $columns,
  2143. 'column_model' => $column_model,
  2144. 'rules' => $rules,
  2145. 'simple_column_name' => $simple_column_name
  2146. );
  2147. return $return_array;
  2148. }
  2149. }