sessionmanager.lib.php 129 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. * The SessionManager class manages all the Chamilo sessions (as in course
  12. * groups).
  13. * @package chamilo.library.session
  14. */
  15. class SessionManager {
  16. //See BT#4871
  17. CONST SESSION_CHANGE_USER_REASON_SCHEDULE = 1;
  18. CONST SESSION_CHANGE_USER_REASON_CLASSROOM = 2;
  19. CONST SESSION_CHANGE_USER_REASON_LOCATION = 3;
  20. CONST SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION = 4;
  21. CONST DEFAULT_VISIBILITY = 4; //SESSION_AVAILABLE
  22. /**
  23. * Fetches a session from the database
  24. * @param int Session ID
  25. * @return array Session details
  26. * @assert (-1) === array()
  27. */
  28. public static function fetch($id) {
  29. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  30. if ($id != strval(intval($id))) { return array(); }
  31. $s = "SELECT * FROM $t WHERE id = $id";
  32. $r = Database::query($s);
  33. if (Database::num_rows($r) != 1) { return array(); }
  34. return Database::fetch_array($r,'ASSOC');
  35. }
  36. /**
  37. * Creates a session
  38. * @param array Fields to use in the creation of the session
  39. * @param boolean Whether to allow for same-name sessions or not.
  40. * @assert (array()) === false
  41. */
  42. public static function add($params, $allow_homonyms=false) {
  43. global $_configuration;
  44. //just in case
  45. if (isset($params['id'])) {
  46. unset($params['id']);
  47. }
  48. //Check portal limits
  49. $access_url_id = 1;
  50. if (api_is_multiple_url_enabled()) {
  51. $access_url_id = api_get_current_access_url_id();
  52. }
  53. if (is_array($_configuration[$access_url_id]) && isset($_configuration[$access_url_id]['hosting_limit_sessions']) && $_configuration[$access_url_id]['hosting_limit_sessions'] > 0) {
  54. $num = self::count_sessions();
  55. if ($num >= $_configuration[$access_url_id]['hosting_limit_sessions']) {
  56. return get_lang('PortalSessionsLimitReached');
  57. }
  58. }
  59. if (!$allow_homonyms) {
  60. $my_session_result = SessionManager::get_session_by_name($params['name']);
  61. $session_id = null;
  62. if ($my_session_result == false) {
  63. $session_model = new SessionModel();
  64. $session_id = $session_model->save($params);
  65. } else {
  66. error_log('Session already exists with name: '.$params['name']." session_id: ".$my_session_result['id']);
  67. }
  68. } else {
  69. //with the allow_homonyms option, two sessions can share names
  70. $session_model = new SessionModel();
  71. $session_id = $session_model->save($params);
  72. }
  73. if (!empty($session_id)) {
  74. /*
  75. Sends a message to the user_id = 1
  76. $user_info = api_get_user_info(1);
  77. $complete_name = $user_info['firstname'].' '.$user_info['lastname'];
  78. $subject = api_get_setting('siteName').' - '.get_lang('ANewSessionWasCreated');
  79. $message = get_lang('ANewSessionWasCreated')." <br /> ".get_lang('NameOfTheSession').' : '.$name;
  80. api_mail_html($complete_name, $user_info['email'], $subject, $message);
  81. *
  82. */
  83. //Saving extra fields
  84. $session_field_value = new SessionFieldValue();
  85. $params['session_id'] = $session_id;
  86. $session_field_value->save_field_values($params);
  87. //Adding to the correct URL
  88. $access_url_id = api_get_current_access_url_id();
  89. UrlManager::add_session_to_url($session_id, $access_url_id);
  90. // Add event to system log
  91. event_system(LOG_SESSION_CREATE, LOG_SESSION_ID, $session_id, api_get_utc_datetime(), api_get_user_id());
  92. if (isset($params['course_code'])) {
  93. self::add_courses_to_session($session_id, array($params['course_code']));
  94. //Update default course gradebook to the session if exists
  95. $create_gradebook_evaluation = isset($params['create_gradebook_evaluation']) ? $params['create_gradebook_evaluation'] : false;
  96. if ($create_gradebook_evaluation) {
  97. require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/gradebook_functions.inc.php';
  98. $category_id = create_default_course_gradebook($params['course_code'], false, $session_id);
  99. /*
  100. if ($category_id && isset($params['gradebook_params'])) {
  101. $eval = new Evaluation();
  102. $eval->set_name($params['gradebook_params']['name']);
  103. $eval->set_user_id($params['gradebook_params']['user_id']);
  104. $eval->set_course_code($params['course_code']);
  105. $eval->set_category_id($category_id);
  106. $eval->set_weight($params['gradebook_params']['weight']);
  107. $eval->set_max($params['gradebook_params']['max']);
  108. $eval->set_visible(0);
  109. $eval->add();
  110. }*/
  111. /*$tbl_gradebook_category = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_EVALUATION);
  112. $sql = "SELECT id FROM $tbl_gradebook_category WHERE course_code = {$params['course_code']} AND session_id = 0 LIMIT 1";
  113. $result = Database::query($sql);
  114. if (Database::num_rows($result)) {
  115. $gradebook_data = Database::fetch_array($result, 'ASSOC');
  116. if (!empty($gradebook_data)) {
  117. $sql = "UPDATE SET session_id = $session_id WHERE id = {$gradebook_data['id']}";
  118. Database::query($sql);
  119. }
  120. }*/
  121. }
  122. }
  123. } else {
  124. if (isset($params['return_item_if_already_exists']) && $params['return_item_if_already_exists']) {
  125. $my_session_result = SessionManager::get_session_by_name($params['name']);
  126. $session_id = $my_session_result['id'];
  127. }
  128. }
  129. return $session_id;
  130. }
  131. /**
  132. * Updates a session with the given array of field values
  133. * @param array An array of fields values
  134. * @return void
  135. * @assert (null) === false
  136. */
  137. public static function update($params) {
  138. if (empty($params) || count($params)<1) {
  139. return false;
  140. }
  141. $session_model = new SessionModel();
  142. $session_model->update($params);
  143. if (!empty($params['id'])) {
  144. $session_field_value = new SessionFieldValue();
  145. $params['session_id'] = $params['id'];
  146. unset($params['id']);
  147. $session_field_value->save_field_values($params);
  148. }
  149. }
  150. /**
  151. * Checks whether a session already exists with the given name (used in
  152. * add() to avoid homonym sessions)
  153. * @param string A session name
  154. * @assert ('') === false
  155. */
  156. function session_name_exists($session_name) {
  157. $session_name = Database::escape_string($session_name);
  158. $result = Database::fetch_array(Database::query("SELECT COUNT(*) as count FROM ".Database::get_main_table(TABLE_MAIN_SESSION)." WHERE name = '$session_name' "));
  159. return $result['count'] > 0;
  160. }
  161. /**
  162. * Gets the admin session list callback of the session/session_list.php page
  163. * @param array order and limit keys
  164. * @param boolean Whether to get all the results or only the count
  165. * @return mixed Integer for number of rows, or array of results
  166. * @assert (array(),true) !== false
  167. */
  168. public static function get_sessions_admin($options = array(), $get_count = false) {
  169. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  170. $tbl_session_field_values = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  171. $tbl_session_field_options = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_OPTIONS);
  172. $where = 'WHERE 1 = 1 ';
  173. $user_id = api_get_user_id();
  174. if (api_is_session_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false') {
  175. $where .=" AND s.session_admin_id = $user_id ";
  176. }
  177. if (!api_is_platform_admin() && api_is_teacher() && api_get_setting('allow_teachers_to_create_sessions') == 'true') {
  178. $where .=" AND s.id_coach = $user_id ";
  179. }
  180. $inject_extra_fields = null;
  181. $extra_fields = array();
  182. $extra_fields_info = array();
  183. //for now only sessions
  184. $extra_field = new ExtraField('session');
  185. $double_fields = array();
  186. $extra_field_option = new ExtraFieldOption('session');
  187. $extra_present = false;
  188. if (isset($options['extra'])) {
  189. $extra_fields = $options['extra'];
  190. if (!empty($extra_fields)) {
  191. $extra_present = true;
  192. $counter = 1;
  193. foreach ($extra_fields as &$extra) {
  194. $extra_field_obj= new ExtraField('session');
  195. $extra_field_info = $extra_field_obj->get($extra['id']);
  196. $extra['extra_field_info'] = $extra_field_info;
  197. if (in_array($extra_field_info['field_type'], array(
  198. ExtraField::FIELD_TYPE_SELECT,
  199. ExtraField::FIELD_TYPE_SELECT,
  200. ExtraField::FIELD_TYPE_DOUBLE_SELECT
  201. ))
  202. ) {
  203. $inject_extra_fields .= " fvo$counter.option_display_text as {$extra['field']}, ";
  204. } else {
  205. $inject_extra_fields .= " fv$counter.field_value as {$extra['field']}, ";
  206. }
  207. if (isset($extra_fields_info[$extra['id']])) {
  208. $info = $extra_fields_info[$extra['id']];
  209. } else {
  210. $info = $extra_field->get($extra['id']);
  211. $extra_fields_info[$extra['id']] = $info;
  212. }
  213. if ($info['field_type'] == ExtraField::FIELD_TYPE_DOUBLE_SELECT) {
  214. $double_fields[$info['id']] = $info;
  215. }
  216. $counter++;
  217. }
  218. }
  219. }
  220. $options_by_double = array();
  221. foreach ($double_fields as $double) {
  222. $my_options = $extra_field_option->get_field_options_by_field($double['id'], true);
  223. $options_by_double['extra_'.$double['field_variable']] = $my_options;
  224. }
  225. if ($get_count == true) {
  226. $select = " SELECT count(*) as total_rows";
  227. } else {
  228. $select =
  229. "SELECT DISTINCT ".
  230. " s.name, ".
  231. " s.display_start_date, ".
  232. " s.display_end_date, ".
  233. " access_start_date, ".
  234. " access_end_date, ".
  235. " s.visibility, ".
  236. " $inject_extra_fields ".
  237. " s.id ";
  238. }
  239. //filter can be all/any = and/or
  240. $inject_joins = null;
  241. $inject_where = null;
  242. $field_value_to_join = array();
  243. if (!empty($options['where'])) {
  244. if (!empty($options['extra'])) {
  245. //Removing double 1=1
  246. $options['where'] = str_replace(' 1 = 1 AND', '', $options['where']);
  247. //Always OR
  248. $counter = 1;
  249. foreach ($extra_fields as $extra_info) {
  250. $extra_field_info = $extra_info['extra_field_info'];
  251. $inject_joins .= " INNER JOIN $tbl_session_field_values fv$counter ON (s.id = fv$counter.session_id) ";
  252. //Add options
  253. if (in_array($extra_field_info['field_type'], array(
  254. ExtraField::FIELD_TYPE_SELECT,
  255. ExtraField::FIELD_TYPE_SELECT,
  256. ExtraField::FIELD_TYPE_DOUBLE_SELECT
  257. ))
  258. ) {
  259. $options['where'] = str_replace($extra_info['field'], 'fv'.$counter.'.field_id = '.$extra_info['id'].' AND fvo'.$counter.'.option_value', $options['where']);
  260. $inject_joins .= " INNER JOIN $tbl_session_field_options fvo$counter ".
  261. " ON (fv$counter.field_id = fvo$counter.field_id AND fv$counter.field_value = fvo$counter.option_value) ";
  262. } else {
  263. //text, textarea, etc
  264. $options['where'] = str_replace($extra_info['field'], 'fv'.$counter.'.field_id = '.$extra_info['id'].' AND fv'.$counter.'.field_value', $options['where']);
  265. }
  266. $field_value_to_join[] = " fv$counter.session_id ";
  267. $counter++;
  268. }
  269. if (!empty($field_value_to_join)) {
  270. //$inject_where .= " AND s.id = ".implode(' = ', $field_value_to_join);
  271. }
  272. }
  273. $where .= ' AND '.$options['where'];
  274. }
  275. $query = "$select FROM $tbl_session s $inject_joins $where $inject_where";
  276. if (api_is_multiple_url_enabled()) {
  277. $table_access_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  278. $access_url_id = api_get_current_access_url_id();
  279. //" LEFT JOIN $tbl_session_rel_course src ON (src.id_session = s.id) ".
  280. if ($access_url_id != -1) {
  281. $where.= " AND ar.access_url_id = $access_url_id ";
  282. $query = "$select FROM $tbl_session s $inject_joins INNER JOIN $table_access_url_rel_session ar ON (ar.session_id = s.id) $where";
  283. }
  284. }
  285. if (!empty($options['order'])) {
  286. $query .= " ORDER BY ".$options['order'];
  287. }
  288. if (!empty($options['limit'])) {
  289. $query .= " LIMIT ".$options['limit'];
  290. }
  291. if ($get_count == false) {
  292. //echo $query;exit;
  293. }
  294. $result = Database::query($query);
  295. $formatted_sessions = array();
  296. if (Database::num_rows($result)) {
  297. $sessions = Database::store_result($result, 'ASSOC');
  298. if ($get_count) {
  299. return $sessions[0]['total_rows'];
  300. }
  301. foreach ($sessions as $session) {
  302. $session_id = $session['id'];
  303. $session['name'] = Display::url($session['name'], "resume_session.php?id_session=".$session['id']);
  304. if (isset($session['session_active']) && $session['session_active'] == 1) {
  305. $session['session_active'] = Display::return_icon('accept.png', get_lang('Active'), array(), ICON_SIZE_SMALL);
  306. } else {
  307. $session['session_active'] = Display::return_icon('error.png', get_lang('Inactive'), array(), ICON_SIZE_SMALL);
  308. }
  309. $session = self::convert_dates_to_local($session);
  310. switch ($session['visibility']) {
  311. case SESSION_VISIBLE_READ_ONLY: //1
  312. $session['visibility'] = get_lang('ReadOnly');
  313. break;
  314. case SESSION_VISIBLE: //2
  315. case SESSION_AVAILABLE: //4
  316. $session['visibility'] = get_lang('Visible');
  317. break;
  318. case SESSION_INVISIBLE: //3
  319. $session['visibility'] = api_ucfirst(get_lang('Invisible'));
  320. break;
  321. }
  322. //Cleaning double selects
  323. foreach ($session as $key => &$value) {
  324. if (isset($options_by_double[$key]) || isset($options_by_double[$key.'_second'])) {
  325. $options = explode('::', $value);
  326. }
  327. $original_key = $key;
  328. if (strpos($key, '_second') === false) {
  329. } else {
  330. $key = str_replace('_second', '', $key);
  331. }
  332. if (isset($options_by_double[$key])) {
  333. if (isset($options[0])) {
  334. if (isset($options_by_double[$key][$options[0]])) {
  335. if (strpos($original_key, '_second') === false) {
  336. $value = $options_by_double[$key][$options[0]]['option_display_text'];
  337. } else {
  338. $value = $options_by_double[$key][$options[1]]['option_display_text'];
  339. }
  340. }
  341. }
  342. }
  343. }
  344. $formatted_sessions[$session_id] = $session;
  345. }
  346. }
  347. return $formatted_sessions;
  348. }
  349. /**
  350. * Gets the number of rows in the session table filtered through the given
  351. * array of parameters
  352. * @param array Array of options/filters/keys
  353. * @return integer The number of rows, or false on wrong param
  354. * @assert ('a') === false
  355. */
  356. static function get_count_admin_complete($options = array()) {
  357. if (!is_array($options)) {
  358. return false;
  359. }
  360. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  361. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  362. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  363. $where = 'WHERE 1 = 1 ';
  364. $user_id = api_get_user_id();
  365. if (api_is_session_admin() && api_get_setting('allow_session_admins_to_see_all_sessions') == 'false') {
  366. $where.=" WHERE s.session_admin_id = $user_id ";
  367. }
  368. if (!empty($options['where'])) {
  369. if (!empty($options['extra'])) {
  370. $options['where'] = str_replace(' 1 = 1 AND', '', $options['where']);
  371. $options['where'] = str_replace('AND', 'OR', $options['where']);
  372. foreach ($options['extra'] as $extra) {
  373. $options['where'] = str_replace($extra['field'], 'fv.field_id = '.$extra['id'].' AND fvo.option_value', $options['where']);
  374. }
  375. }
  376. $where .= ' AND '.$options['where'];
  377. }
  378. $query_rows = "SELECT count(*) as total_rows
  379. FROM $tbl_session s
  380. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  381. INNER JOIN $tbl_user u ON s.id_coach = u.user_id $where ";
  382. if (api_is_multiple_url_enabled()) {
  383. $table_access_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  384. $access_url_id = api_get_current_access_url_id();
  385. if ($access_url_id != -1) {
  386. $where.= " AND ar.access_url_id = $access_url_id ";
  387. $query_rows = "SELECT count(*) as total_rows
  388. FROM $tbl_session s
  389. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  390. INNER JOIN $tbl_user u ON s.id_coach = u.user_id
  391. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id $where ";
  392. }
  393. }
  394. $result_rows = Database::query($query_rows);
  395. $recorset = Database::fetch_array($result_rows);
  396. $num = $recorset['total_rows'];
  397. return $num;
  398. }
  399. /**
  400. * Gets the admin session list callback of the session/session_list.php
  401. * page with all user/details in the right fomat
  402. * @param array order and limit keys
  403. * @result array Array of rows results
  404. * @asset ('a') === false
  405. */
  406. public static function get_sessions_admin_complete($options = array()) {
  407. if (!is_array($options)) {
  408. return false;
  409. }
  410. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  411. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  412. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  413. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  414. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  415. $tbl_session_field_values = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  416. $tbl_session_field_options = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_OPTIONS);
  417. $where = 'WHERE 1 = 1 ';
  418. $user_id = api_get_user_id();
  419. if (api_is_session_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false') {
  420. $where.=" AND s.session_admin_id = $user_id ";
  421. }
  422. $coach_name = " CONCAT (u.lastname , ' ', u.firstname) as coach_name ";
  423. if (api_is_western_name_order()) {
  424. $coach_name = " CONCAT (u.firstname, ' ', u.lastname) as coach_name ";
  425. }
  426. $today = api_get_utc_datetime();
  427. $inject_extra_fields = null;
  428. $extra_fields = array();
  429. $extra_fields_info = array();
  430. //for now only sessions
  431. $extra_field = new ExtraField('session');
  432. $double_fields = array();
  433. $extra_field_option = new ExtraFieldOption('session');
  434. if (isset($options['extra'])) {
  435. $extra_fields = $options['extra'];
  436. if (!empty($extra_fields)) {
  437. foreach ($extra_fields as $extra) {
  438. $inject_extra_fields .= " IF (fv.field_id = {$extra['id']}, fvo.option_display_text, NULL ) as {$extra['field']} , ";
  439. if (isset($extra_fields_info[$extra['id']])) {
  440. $info = $extra_fields_info[$extra['id']];
  441. } else {
  442. $info = $extra_field->get($extra['id']);
  443. $extra_fields_info[$extra['id']] = $info;
  444. }
  445. if ($info['field_type'] == ExtraField::FIELD_TYPE_DOUBLE_SELECT) {
  446. $double_fields[$info['id']] = $info;
  447. }
  448. }
  449. }
  450. }
  451. $options_by_double = array();
  452. foreach ($double_fields as $double) {
  453. $my_options = $extra_field_option->get_field_options_by_field($double['id'], true);
  454. $options_by_double['extra_'.$double['field_variable']] = $my_options;
  455. }
  456. //sc.name as category_name,
  457. $select = "
  458. SELECT * FROM (
  459. SELECT DISTINCT
  460. IF (
  461. (s.access_start_date <= '$today' AND '$today' < s.access_end_date) OR
  462. (s.access_start_date = '0000-00-00 00:00:00' AND s.access_end_date = '0000-00-00 00:00:00' ) OR
  463. (s.access_start_date <= '$today' AND '0000-00-00 00:00:00' = s.access_end_date) OR
  464. ('$today' < s.access_end_date AND '0000-00-00 00:00:00' = s.access_start_date)
  465. , 1, 0) as session_active,
  466. s.name,
  467. s.nbr_courses,
  468. s.nbr_users,
  469. s.display_start_date,
  470. s.display_end_date,
  471. $coach_name,
  472. access_start_date,
  473. access_end_date,
  474. s.visibility,
  475. u.user_id,
  476. $inject_extra_fields
  477. c.title as course_title,
  478. s.id ";
  479. if (!empty($options['where'])) {
  480. if (!empty($options['extra'])) {
  481. $options['where'] = str_replace(' 1 = 1 AND', '', $options['where']);
  482. $options['where'] = str_replace('AND', 'OR', $options['where']);
  483. foreach ($options['extra'] as $extra) {
  484. $options['where'] = str_replace($extra['field'], 'fv.field_id = '.$extra['id'].' AND fvo.option_value', $options['where']);
  485. }
  486. }
  487. $options['where'] = str_replace('course_title', 'c.title', $options['where']);
  488. $where .= ' AND '.$options['where'];
  489. }
  490. if (!empty($options['limit'])) {
  491. $where .= " LIMIT ".$options['limit'];
  492. }
  493. $query = "$select FROM $tbl_session s
  494. LEFT JOIN $tbl_session_field_values fv ON (fv.session_id = s.id)
  495. INNER JOIN $tbl_session_field_options fvo ON (fv.field_id = fvo.field_id)
  496. LEFT JOIN $tbl_session_rel_course src ON (src.id_session = s.id)
  497. LEFT JOIN $tbl_course c ON (src.course_code = c.code)
  498. LEFT JOIN $tbl_session_category sc ON (s.session_category_id = sc.id)
  499. INNER JOIN $tbl_user u ON (s.id_coach = u.user_id) ".
  500. $where;
  501. if (api_is_multiple_url_enabled()) {
  502. $table_access_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  503. $access_url_id = api_get_current_access_url_id();
  504. if ($access_url_id != -1) {
  505. $where.= " AND ar.access_url_id = $access_url_id ";
  506. $query = "$select
  507. FROM $tbl_session s
  508. LEFT JOIN $tbl_session_field_values fv ON (fv.session_id = s.id)
  509. LEFT JOIN $tbl_session_rel_course src ON (src.id_session = s.id)
  510. LEFT JOIN $tbl_course c ON (src.course_code = c.code)
  511. LEFT JOIN $tbl_session_category sc ON (s.session_category_id = sc.id)
  512. INNER JOIN $tbl_user u ON (s.id_coach = u.user_id)
  513. INNER JOIN $table_access_url_rel_session ar ON (ar.session_id = s.id)
  514. $where";
  515. }
  516. }
  517. $query .= ") AS session_table";
  518. if (!empty($options['order'])) {
  519. $query .= " ORDER BY ".$options['order'];
  520. }
  521. //error_log($query);
  522. // echo $query;
  523. $result = Database::query($query);
  524. $formatted_sessions = array();
  525. if (Database::num_rows($result)) {
  526. $sessions = Database::store_result($result, 'ASSOC');
  527. foreach ($sessions as $session) {
  528. $session_id = $session['id'];
  529. $session['name'] = Display::url($session['name'], "resume_session.php?id_session=".$session['id']);
  530. $session['coach_name'] = Display::url($session['coach_name'], "user_information.php?user_id=".$session['user_id']);
  531. if ($session['session_active'] == 1) {
  532. $session['session_active'] = Display::return_icon('accept.png', get_lang('Active'), array(), ICON_SIZE_SMALL);
  533. } else {
  534. $session['session_active'] = Display::return_icon('error.png', get_lang('Inactive'), array(), ICON_SIZE_SMALL);
  535. }
  536. $session = self::convert_dates_to_local($session);
  537. switch ($session['visibility']) {
  538. case SESSION_VISIBLE_READ_ONLY: //1
  539. $session['visibility'] = get_lang('ReadOnly');
  540. break;
  541. case SESSION_VISIBLE: //2
  542. case SESSION_AVAILABLE: //4
  543. $session['visibility'] = get_lang('Visible');
  544. break;
  545. case SESSION_INVISIBLE: //3
  546. $session['visibility'] = api_ucfirst(get_lang('Invisible'));
  547. break;
  548. }
  549. //Cleaning double selects
  550. foreach ($session as $key => &$value) {
  551. if (isset($options_by_double[$key]) || isset($options_by_double[$key.'_second'])) {
  552. $options = explode('::', $value);
  553. }
  554. $original_key = $key;
  555. if (strpos($key, '_second') === false) {
  556. } else {
  557. $key = str_replace('_second', '', $key);
  558. }
  559. if (isset($options_by_double[$key])) {
  560. if (isset($options[0])) {
  561. if (isset($options_by_double[$key][$options[0]])) {
  562. if (strpos($original_key, '_second') === false) {
  563. $value = $options_by_double[$key][$options[0]]['option_display_text'];
  564. } else {
  565. $value = $options_by_double[$key][$options[1]]['option_display_text'];
  566. }
  567. }
  568. }
  569. }
  570. }
  571. //Magic filter
  572. if (isset($formatted_sessions[$session_id])) {
  573. $formatted_sessions[$session_id] = self::compare_arrays_to_merge($formatted_sessions[$session_id], $session);
  574. } else {
  575. $formatted_sessions[$session_id] = $session;
  576. }
  577. }
  578. }
  579. return $formatted_sessions;
  580. }
  581. /**
  582. *
  583. */
  584. static function compare_arrays_to_merge($array1, $array2) {
  585. if (empty($array2)) {
  586. return $array1;
  587. }
  588. foreach ($array1 as $key => $item) {
  589. if (!isset($array1[$key])) {
  590. //My string is empty try the other one
  591. if (isset($array2[$key]) && !empty($array2[$key])) {
  592. $array1[$key] = $array2[$key];
  593. }
  594. }
  595. }
  596. return $array1;
  597. }
  598. /**
  599. * Converts all dates sent through the param array (given form) to correct
  600. * dates with timezones
  601. * @param array The dates
  602. * @return array The same array, with times converted
  603. * @assert ('a') === false
  604. */
  605. static function convert_dates_to_local($params) {
  606. if (!is_array($params)) {
  607. return false;
  608. }
  609. $params['display_start_date'] = api_get_local_time($params['display_start_date'], null, null, true);
  610. $params['display_end_date'] = api_get_local_time($params['display_end_date'], null, null, true);
  611. $params['access_start_date'] = api_get_local_time($params['access_start_date'], null, null, true);
  612. $params['access_end_date'] = api_get_local_time($params['access_end_date'], null, null, true);
  613. $params['coach_access_start_date'] = isset($params['coach_access_start_date']) ? api_get_local_time($params['coach_access_start_date'], null, null, true) : null;
  614. $params['coach_access_end_date'] = isset($params['coach_access_end_date']) ? api_get_local_time($params['coach_access_end_date'], null, null, true) : null;
  615. return $params;
  616. }
  617. /**
  618. * Creates a new course code based in given code
  619. *
  620. * @param string wanted code
  621. * <code>
  622. * $wanted_code = 'sess' if there are names like sess, sess1, sess2 in the
  623. * database already, the function will return: sess3
  624. * if the session name doesn't exist in the DB the same name is returned
  625. * </code>
  626. * @return string wanted unused code
  627. */
  628. function generate_nice_next_session_name($session_name) {
  629. $session_name_ok = !self::session_name_exists($session_name);
  630. if (!$session_name_ok) {
  631. $table = Database::get_main_table(TABLE_MAIN_SESSION);
  632. $session_name = Database::escape_string($session_name);
  633. $sql = "SELECT count(*) as count FROM $table WHERE name LIKE '$session_name%'";
  634. $result = Database::query($sql);
  635. if (Database::num_rows($result) > 0 ) {
  636. $row = Database::fetch_array($result);
  637. $count = $row['count'] + 1;
  638. $session_name = $session_name.'_'.$count;
  639. $result = self::session_name_exists($session_name);
  640. if (!$result) {
  641. return $session_name;
  642. }
  643. }
  644. return false;
  645. }
  646. return $session_name;
  647. }
  648. /**
  649. * Edit a session
  650. * @author Carlos Vargas from existing code
  651. * @param integer id
  652. * @param string name
  653. * @param integer year_start
  654. * @param integer month_start
  655. * @param integer day_start
  656. * @param integer year_end
  657. * @param integer month_end
  658. * @param integer day_end
  659. * @param integer nb_days_acess_before
  660. * @param integer nb_days_acess_after
  661. * @param integer nolimit
  662. * @param integer id_coach
  663. * @param integer id_session_category
  664. * @return $id;
  665. * The parameter id is a primary key
  666. **/
  667. /*
  668. public static function edit_session ($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) {
  669. global $_user;
  670. $name=trim(stripslashes($name));
  671. $year_start=intval($year_start);
  672. $month_start=intval($month_start);
  673. $day_start=intval($day_start);
  674. $year_end=intval($year_end);
  675. $month_end=intval($month_end);
  676. $day_end=intval($day_end);
  677. $id_coach= intval($id_coach);
  678. $nb_days_acess_before= intval($nb_days_acess_before);
  679. $nb_days_acess_after = intval($nb_days_acess_after);
  680. $id_session_category = intval($id_session_category);
  681. $id_visibility = intval($id_visibility);
  682. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  683. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  684. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  685. if (empty($nolimit)) {
  686. $date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  687. $date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  688. } else {
  689. $date_start = "0000-00-00";
  690. $date_end = "0000-00-00";
  691. $id_visibility = 1;//force read only
  692. }
  693. if (!empty($no_end_limit)) {
  694. $date_end = "0000-00-00";
  695. }
  696. if (empty($end_limit)) {
  697. $date_end ="0000-00-00";
  698. $id_visibility = 1;//force read only
  699. }
  700. if (empty($start_limit)) {
  701. $date_start ="0000-00-00";
  702. }
  703. if (empty($name)) {
  704. $msg=get_lang('SessionNameIsRequired');
  705. return $msg;
  706. } elseif (empty($id_coach)) {
  707. $msg=get_lang('CoachIsRequired');
  708. return $msg;
  709. } elseif (!empty($start_limit) && empty($nolimit) && (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start))) {
  710. $msg=get_lang('InvalidStartDate');
  711. return $msg;
  712. } elseif (!empty($end_limit) && empty($nolimit) && (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end))) {
  713. $msg=get_lang('InvalidEndDate');
  714. return $msg;
  715. } elseif (!empty($start_limit) && !empty($end_limit) && empty($nolimit) && $date_start >= $date_end) {
  716. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  717. return $msg;
  718. } else {
  719. $rs = Database::query("SELECT id FROM $tbl_session WHERE name='".Database::escape_string($name)."'");
  720. $exists = false;
  721. while ($row = Database::fetch_array($rs)) {
  722. if($row['id']!=$id)
  723. $exists = true;
  724. }
  725. if ($exists) {
  726. $msg=get_lang('SessionNameAlreadyExists');
  727. return $msg;
  728. } else {
  729. $sql="UPDATE $tbl_session " .
  730. "SET name='".Database::escape_string($name)."',
  731. date_start='".$date_start."',
  732. date_end='".$date_end."',
  733. id_coach='".$id_coach."',
  734. nb_days_access_before_beginning = ".$nb_days_acess_before.",
  735. nb_days_access_after_end = ".$nb_days_acess_after.",
  736. session_category_id = ".$id_session_category." ,
  737. visibility= ".$id_visibility."
  738. WHERE id='$id'";
  739. Database::query($sql);
  740. return $id;
  741. }
  742. }
  743. }
  744. */
  745. /**
  746. * Delete session
  747. * @author Carlos Vargas from existing code
  748. * @param array id_checked
  749. * @param boolean optional, true if the function is called by a webservice, false otherwise.
  750. * @return void Nothing, or false on error
  751. * The parameters is a array to delete sessions
  752. **/
  753. public static function delete_session ($id_checked, $from_ws = false) {
  754. $tbl_session= Database::get_main_table(TABLE_MAIN_SESSION);
  755. $tbl_session_rel_course= Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  756. $tbl_session_rel_course_rel_user= Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  757. $tbl_session_rel_user= Database::get_main_table(TABLE_MAIN_SESSION_USER);
  758. $tbl_url_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  759. global $_user;
  760. if(is_array($id_checked)) {
  761. $id_checked = Database::escape_string(implode(',',$id_checked));
  762. } else {
  763. $id_checked = intval($id_checked);
  764. }
  765. if (!api_is_platform_admin() && !$from_ws) {
  766. $sql = 'SELECT session_admin_id FROM '.Database :: get_main_table(TABLE_MAIN_SESSION).' WHERE id='.$id_checked;
  767. $rs = Database::query($sql);
  768. if (Database::result($rs,0,0)!=$_user['user_id']) {
  769. api_not_allowed(true);
  770. }
  771. }
  772. Database::query("DELETE FROM $tbl_session WHERE id IN($id_checked)");
  773. Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session IN($id_checked)");
  774. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session IN($id_checked)");
  775. Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session IN($id_checked)");
  776. Database::query("DELETE FROM $tbl_url_session WHERE session_id IN($id_checked)");
  777. // delete extra session fields
  778. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  779. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  780. // Delete extra fields from session where field variable is "SECCION"
  781. $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' ";
  782. $rs_field = Database::query($sql);
  783. $field_id = 0;
  784. if (Database::num_rows($rs_field) == 1) {
  785. $row_field = Database::fetch_row($rs_field);
  786. $field_id = $row_field[0];
  787. $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked' AND field_id = '$field_id'";
  788. $rs_delete_sfv = Database::query($sql_delete_sfv);
  789. }
  790. $sql = "SELECT * FROM $t_sfv WHERE field_id = '$field_id' ";
  791. $rs_field_id = Database::query($sql);
  792. if (Database::num_rows($rs_field_id) == 0) {
  793. $sql_delete_sf = "DELETE FROM $t_sf WHERE id = '$field_id'";
  794. $rs_delete_sf = Database::query($sql_delete_sf);
  795. }
  796. /*
  797. $sql = "SELECT distinct field_id FROM $t_sfv WHERE session_id = '$id_checked'";
  798. $res_field_ids = @Database::query($sql);
  799. if (Database::num_rows($res_field_ids) > 0) {
  800. while($row_field_id = Database::fetch_row($res_field_ids)){
  801. $field_ids[] = $row_field_id[0];
  802. }
  803. }
  804. //delete from table_session_field_value from a given session id
  805. $sql_session_field_value = "DELETE FROM $t_sfv WHERE session_id = '$id_checked'";
  806. @Database::query($sql_session_field_value);
  807. $sql = "SELECT distinct field_id FROM $t_sfv";
  808. $res_field_all_ids = @Database::query($sql);
  809. if (Database::num_rows($res_field_all_ids) > 0) {
  810. while($row_field_all_id = Database::fetch_row($res_field_all_ids)){
  811. $field_all_ids[] = $row_field_all_id[0];
  812. }
  813. }
  814. if (count($field_ids) > 0 && count($field_all_ids) > 0) {
  815. foreach($field_ids as $field_id) {
  816. // check if field id is used into table field value
  817. if (in_array($field_id,$field_all_ids)) {
  818. continue;
  819. } else {
  820. $sql_session_field = "DELETE FROM $t_sf WHERE id = '$field_id'";
  821. Database::query($sql_session_field);
  822. }
  823. }
  824. }
  825. */
  826. // Add event to system log
  827. $user_id = api_get_user_id();
  828. event_system(LOG_SESSION_DELETE, LOG_SESSION_ID, $id_checked, api_get_utc_datetime(), $user_id);
  829. }
  830. /**
  831. * Subscribes users (students) to the given session and optionally (default) unsubscribes previous users
  832. * @author Carlos Vargas from existing code
  833. * @param integer Session ID
  834. * @param array List of user IDs
  835. * @param bool Whether to unsubscribe existing users (true, default) or not (false)
  836. * @return void Nothing, or false on error
  837. **/
  838. public static function suscribe_users_to_session($id_session, $user_list, $session_visibility = SESSION_VISIBLE_READ_ONLY, $empty_users = true, $send_email = false) {
  839. if ($id_session!= strval(intval($id_session))) return false;
  840. foreach ($user_list as $intUser){
  841. if ($intUser!= strval(intval($intUser))) return false;
  842. }
  843. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  844. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  845. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  846. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  847. $session_info = api_get_session_info($id_session);
  848. if ($session_info) {
  849. $session_name = $session_info['name'];
  850. } else {
  851. return false;
  852. }
  853. //from function parameter
  854. if (empty($session_visibility)) {
  855. $session_visibility = $session_info['visibility']; //loaded from DB
  856. //default status loaded if empty
  857. if (empty($session_visibility))
  858. $session_visibility = SESSION_VISIBLE_READ_ONLY; // by default readonly 1
  859. } else {
  860. if (!in_array($session_visibility, array(SESSION_VISIBLE_READ_ONLY, SESSION_VISIBLE, SESSION_INVISIBLE))) {
  861. $session_visibility = SESSION_VISIBLE_READ_ONLY;
  862. }
  863. }
  864. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user WHERE id_session = '$id_session' AND status = 0";
  865. $result = Database::query($sql);
  866. $existingUsers = array();
  867. while ($row = Database::fetch_array($result)) {
  868. $existingUsers[] = $row['id_user'];
  869. }
  870. $sql = "SELECT course_code FROM $tbl_session_rel_course WHERE id_session = '$id_session'";
  871. $result = Database::query($sql);
  872. $course_list = array();
  873. while ($row = Database::fetch_array($result)) {
  874. $course_list[] = $row['course_code'];
  875. }
  876. if ($send_email) {
  877. //sending emails only
  878. if (is_array($user_list) && count($user_list)>0) {
  879. foreach ($user_list as $user_id) {
  880. if (!in_array($user_id, $existingUsers)) {
  881. $subject = '['.get_setting('siteName').'] '.get_lang('YourReg').' '.get_setting('siteName');
  882. $user_info = api_get_user_info($user_id);
  883. $content = get_lang('Dear')." ".stripslashes($user_info['complete_name']).",\n\n".sprintf(get_lang('YouAreRegisterToSessionX'), $session_name) ." \n\n" .get_lang('Address') ." ". api_get_setting('siteName') ." ". get_lang('Is') ." : ". api_get_path(WEB_PATH) ."\n\n". get_lang('Problem'). "\n\n". get_lang('Formula').",\n\n".get_setting('administratorName')." ".get_setting('administratorSurname')."\n". get_lang('Manager'). " ".get_setting('siteName')."\nT. ".get_setting('administratorTelephone')."\n" .get_lang('Email') ." : ".get_setting('emailAdministrator');
  884. MessageManager::send_message($user_id, $subject, $content, array(), array(), null, null, null, null, null);
  885. }
  886. }
  887. }
  888. }
  889. foreach ($course_list as $enreg_course) {
  890. // for each course in the session
  891. $nbr_users = 0;
  892. $enreg_course = Database::escape_string($enreg_course);
  893. // delete existing users
  894. if ($empty_users) {
  895. foreach ($existingUsers as $existing_user) {
  896. if (!in_array($existing_user, $user_list)) {
  897. $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";
  898. Database::query($sql);
  899. if (Database::affected_rows()) {
  900. $nbr_users--;
  901. }
  902. }
  903. }
  904. }
  905. //Replace with this new function
  906. //
  907. // insert new users into session_rel_course_rel_user and ignore if they already exist
  908. foreach ($user_list as $enreg_user) {
  909. if(!in_array($enreg_user, $existingUsers)) {
  910. $enreg_user = Database::escape_string($enreg_user);
  911. $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','$session_visibility', '0')";
  912. Database::query($insert_sql);
  913. if(Database::affected_rows()) {
  914. $nbr_users++;
  915. }
  916. }
  917. }
  918. // count users in this session-course relation
  919. $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";
  920. $rs = Database::query($sql);
  921. list($nbr_users) = Database::fetch_array($rs);
  922. // update the session-course relation to add the users total
  923. $update_sql = "UPDATE $tbl_session_rel_course SET nbr_users = $nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'";
  924. Database::query($update_sql);
  925. }
  926. // Delete users from the session
  927. if ($empty_users === true) {
  928. Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session = $id_session AND relation_type<>".SESSION_RELATION_TYPE_RRHH."");
  929. }
  930. // Insert missing users into session
  931. $nbr_users = 0;
  932. foreach ($user_list as $enreg_user) {
  933. $enreg_user = Database::escape_string($enreg_user);
  934. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user) VALUES ('$id_session', '$enreg_user')";
  935. Database::query($insert_sql);
  936. //Reset moved_to just in case
  937. $update_sql = "UPDATE $tbl_session_rel_user SET moved_to = 0, moved_status = 0, moved_at ='0000-00-00 00:00:00'
  938. WHERE id_session = $id_session AND id_user = $enreg_user";
  939. Database::query($update_sql);
  940. $nbr_users++;
  941. }
  942. // update number of users in the session
  943. $nbr_users = count($user_list);
  944. if ($empty_users) {
  945. // update number of users in the session
  946. $update_sql = "UPDATE $tbl_session SET nbr_users = $nbr_users WHERE id='$id_session' ";
  947. Database::query($update_sql);
  948. } else {
  949. $update_sql = "UPDATE $tbl_session SET nbr_users = nbr_users + $nbr_users WHERE id='$id_session' ";
  950. Database::query($update_sql);
  951. }
  952. }
  953. static function subscribe_users_to_session_course($user_list, $session_id, $course_code, $session_visibility = SESSION_VISIBLE_READ_ONLY ) {
  954. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  955. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  956. if (empty($user_list) || empty($session_id) || empty($course_code)) {
  957. return false;
  958. }
  959. $session_id = intval($session_id);
  960. $course_code = Database::escape_string($course_code);
  961. $session_visibility = intval($session_visibility);
  962. $nbr_users = 0;
  963. foreach ($user_list as $enreg_user) {
  964. //if (!in_array($enreg_user, $existingUsers)) {
  965. $enreg_user = intval($enreg_user);
  966. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, visibility)
  967. VALUES ('$session_id','$course_code','$enreg_user','$session_visibility')";
  968. Database::query($insert_sql);
  969. if (Database::affected_rows()) {
  970. $nbr_users++;
  971. }
  972. //}
  973. }
  974. // count users in this session-course relation
  975. $sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user WHERE id_session='$session_id' AND course_code='$course_code' AND status<>2";
  976. $rs = Database::query($sql);
  977. list($nbr_users) = Database::fetch_array($rs);
  978. // update the session-course relation to add the users total
  979. $update_sql = "UPDATE $tbl_session_rel_course SET nbr_users = $nbr_users WHERE id_session='$session_id' AND course_code='$course_code'";
  980. Database::query($update_sql);
  981. }
  982. /**
  983. * Unsubscribe user from session
  984. *
  985. * @param int session id
  986. * @param int user id
  987. * @param int reason of unsubscription see function get_session_change_user_reasons()
  988. * @return bool true in case of success, false in case of error
  989. */
  990. public static function unsubscribe_user_from_session($session_id, $user_id) {
  991. $session_id = intval($session_id);
  992. $user_id = intval($user_id);
  993. $reason_id = intval($reason_id);
  994. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  995. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  996. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  997. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  998. $user_status = SessionManager::get_user_status_in_session($session_id, $user_id);
  999. if ($user_status['moved_to'] != 0) {
  1000. //You can't subscribe a user that was moved
  1001. return false;
  1002. }
  1003. $delete_sql = "DELETE FROM $tbl_session_rel_user WHERE id_session = '$session_id' AND id_user ='$user_id' AND relation_type<>".SESSION_RELATION_TYPE_RRHH."";
  1004. Database::query($delete_sql);
  1005. $return = Database::affected_rows();
  1006. // Update number of users
  1007. $update_sql = "UPDATE $tbl_session SET nbr_users = nbr_users - $return WHERE id='$session_id' ";
  1008. Database::query($update_sql);
  1009. // Get the list of courses related to this session
  1010. $course_list = SessionManager::get_course_list_by_session_id($session_id);
  1011. if (!empty($course_list)) {
  1012. foreach($course_list as $course) {
  1013. $course_code = $course['code'];
  1014. // Delete user from course
  1015. 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'");
  1016. if(Database::affected_rows()) {
  1017. // Update number of users in this relation
  1018. Database::query("UPDATE $tbl_session_rel_course SET nbr_users=nbr_users - 1 WHERE id_session='$session_id' AND course_code='$course_code'");
  1019. }
  1020. }
  1021. }
  1022. return true;
  1023. }
  1024. /**
  1025. *
  1026. * @param int $session_id
  1027. * @param array user id list
  1028. * @param string $course_code
  1029. */
  1030. static function unsubscribe_user_from_course_session($session_id, $user_list, $course_code) {
  1031. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1032. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1033. if (is_array($user_list) && count($user_list)>0 ) {
  1034. array_map('intval', $user_list);
  1035. $user_list = implode(',', $user_list);
  1036. }
  1037. $session_id = intval($session_id);
  1038. $course_code = Database::escape_string($course_code);
  1039. if (!empty($user_list)) {
  1040. 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)");
  1041. $nbr_affected_rows = Database::affected_rows();
  1042. 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."'");
  1043. }
  1044. }
  1045. /** Subscribes courses to the given session and optionally (default) unsubscribes previous users
  1046. * @author Carlos Vargas from existing code
  1047. * @param int Session ID
  1048. * @param array List of courses IDs
  1049. * @param bool Whether to unsubscribe existing users (true, default) or not (false)
  1050. * @return void Nothing, or false on error
  1051. **/
  1052. public static function add_courses_to_session ($id_session, $course_list, $empty_courses=true) {
  1053. // security checks
  1054. if ($id_session!= strval(intval($id_session))) { return false; }
  1055. // initialisation
  1056. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1057. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1058. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1059. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1060. // get general coach ID
  1061. $id_coach = Database::query("SELECT id_coach FROM $tbl_session WHERE id=$id_session");
  1062. $id_coach = Database::fetch_array($id_coach);
  1063. $id_coach = $id_coach[0];
  1064. // get list of courses subscribed to this session
  1065. $rs = Database::query("SELECT course_code FROM $tbl_session_rel_course WHERE id_session=$id_session");
  1066. $existingCourses = Database::store_result($rs);
  1067. $nbr_courses=count($existingCourses);
  1068. // get list of users subscribed to this session
  1069. $sql="SELECT id_user
  1070. FROM $tbl_session_rel_user
  1071. WHERE id_session = $id_session AND relation_type<>".SESSION_RELATION_TYPE_RRHH."";
  1072. $result=Database::query($sql);
  1073. $user_list=Database::store_result($result);
  1074. // Remove existing courses from the session
  1075. if ($empty_courses===true) {
  1076. foreach ($existingCourses as $existingCourse) {
  1077. if (!in_array($existingCourse['course_code'], $course_list)){
  1078. Database::query("DELETE FROM $tbl_session_rel_course WHERE course_code='".$existingCourse['course_code']."' AND id_session=$id_session");
  1079. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE course_code='".$existingCourse['course_code']."' AND id_session=$id_session");
  1080. }
  1081. }
  1082. $nbr_courses=0;
  1083. }
  1084. // Pass through the courses list we want to add to the session
  1085. foreach ($course_list as $enreg_course) {
  1086. $enreg_course = Database::escape_string($enreg_course);
  1087. $exists = false;
  1088. // check if the course we want to add is already subscribed
  1089. foreach ($existingCourses as $existingCourse) {
  1090. if ($enreg_course == $existingCourse['course_code']) {
  1091. $exists=true;
  1092. }
  1093. }
  1094. if (!$exists) {
  1095. $courseInfo = api_get_course_info($enreg_course);
  1096. $courseId = $courseInfo['real_id'];
  1097. //if the course isn't subscribed yet
  1098. $sql_insert_rel_course= "INSERT INTO $tbl_session_rel_course (id_session, course_code, course_id) VALUES ('$id_session','$enreg_course', $courseId)";
  1099. Database::query($sql_insert_rel_course);
  1100. //We add the current course in the existing courses array, to avoid adding another time the current course
  1101. $existingCourses[]=array('course_code'=>$enreg_course);
  1102. $nbr_courses++;
  1103. // subscribe all the users from the session to this course inside the session
  1104. $nbr_users=0;
  1105. foreach ($user_list as $enreg_user) {
  1106. $enreg_user_id = Database::escape_string($enreg_user['id_user']);
  1107. $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')";
  1108. Database::query($sql_insert);
  1109. if (Database::affected_rows()) {
  1110. $nbr_users++;
  1111. }
  1112. }
  1113. Database::query("UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'");
  1114. }
  1115. }
  1116. Database::query("UPDATE $tbl_session SET nbr_courses=$nbr_courses WHERE id='$id_session'");
  1117. }
  1118. /**
  1119. * Unsubscribe course from a session
  1120. *
  1121. * @param int Session id
  1122. * @param int Course id
  1123. * @return bool True in case of success, false otherwise
  1124. */
  1125. public static function unsubscribe_course_from_session($session_id, $course_id) {
  1126. $session_id = (int)$session_id;
  1127. $course_id = (int)$course_id;
  1128. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1129. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1130. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1131. // Get course code
  1132. $course_code = CourseManager::get_course_code_from_course_id($course_id);
  1133. if($course_code == 0) {
  1134. return false;
  1135. }
  1136. // Unsubscribe course
  1137. Database::query("DELETE FROM $tbl_session_rel_course WHERE course_code='$course_code' AND id_session='$session_id'");
  1138. $nb_affected = Database::affected_rows();
  1139. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE course_code='$course_code' AND id_session='$session_id'");
  1140. if($nb_affected > 0) {
  1141. // Update number of courses in the session
  1142. Database::query("UPDATE $tbl_session SET nbr_courses= nbr_courses + $nb_affected WHERE id='$session_id' ");
  1143. return true;
  1144. } else {
  1145. return false;
  1146. }
  1147. }
  1148. /**
  1149. * Creates a new extra field for a given session
  1150. * @param string Field's internal variable name
  1151. * @param int Field's type
  1152. * @param string Field's language var name
  1153. * @return int new extra field id
  1154. */
  1155. public static function create_session_extra_field ($fieldvarname, $fieldtype, $fieldtitle) {
  1156. // database table definition
  1157. $params = array('field_variable' => $fieldvarname,
  1158. 'field_type' => $fieldtype,
  1159. 'field_display_text' => $fieldtitle
  1160. );
  1161. $session_field = new SessionField();
  1162. $field_id = $session_field->save($params);
  1163. return $field_id;
  1164. }
  1165. /**
  1166. * Update an extra field value for a given session
  1167. * @param integer Course ID
  1168. * @param string Field variable name
  1169. * @param string Field value
  1170. * @return boolean true if field updated, false otherwise
  1171. */
  1172. public static function update_session_extra_field_value ($session_id, $fname, $fvalue = null) {
  1173. $session_field_value = new SessionFieldValue();
  1174. $session_field_value->update($params);
  1175. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1176. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1177. $fname = Database::escape_string($fname);
  1178. $session_id = (int)$session_id;
  1179. $tms = api_get_utc_datetime();
  1180. $fvalues = '';
  1181. if (is_array($fvalue)) {
  1182. foreach($fvalue as $val) {
  1183. $fvalues .= Database::escape_string($val).';';
  1184. }
  1185. if(!empty($fvalues)) {
  1186. $fvalues = substr($fvalues,0,-1);
  1187. }
  1188. } else {
  1189. $fvalues = Database::escape_string($fvalue);
  1190. }
  1191. $sqlsf = "SELECT * FROM $t_sf WHERE field_variable='$fname'";
  1192. $ressf = Database::query($sqlsf);
  1193. if (Database::num_rows($ressf)==1) {
  1194. // ok, the field exists
  1195. // Check if enumerated field, if the option is available
  1196. $rowsf = Database::fetch_array($ressf);
  1197. $sqlsfv = "SELECT * FROM $t_sfv WHERE session_id = '$session_id' AND field_id = '".$rowsf['id']."' ORDER BY id";
  1198. $ressfv = Database::query($sqlsfv);
  1199. $n = Database::num_rows($ressfv);
  1200. if ($n>1) {
  1201. //problem, we already have to values for this field and user combination - keep last one
  1202. while($rowsfv = Database::fetch_array($ressfv)) {
  1203. if($n > 1) {
  1204. $sqld = "DELETE FROM $t_sfv WHERE id = ".$rowsfv['id'];
  1205. $resd = Database::query($sqld);
  1206. $n--;
  1207. }
  1208. $rowsfv = Database::fetch_array($ressfv);
  1209. if ($rowsfv['field_value'] != $fvalues) {
  1210. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = '$tms' WHERE id = ".$rowsfv['id'];
  1211. $resu = Database::query($sqlu);
  1212. return($resu?true:false);
  1213. }
  1214. return true;
  1215. }
  1216. } else if ($n==1) {
  1217. //we need to update the current record
  1218. $rowsfv = Database::fetch_array($ressfv);
  1219. if($rowsfv['field_value'] != $fvalues) {
  1220. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = '$tms' WHERE id = ".$rowsfv['id'];
  1221. //error_log('UM::update_extra_field_value: '.$sqlu);
  1222. $resu = Database::query($sqlu);
  1223. return($resu?true:false);
  1224. }
  1225. return true;
  1226. } else {
  1227. $sqli = "INSERT INTO $t_sfv (session_id,field_id,field_value,tms) " .
  1228. "VALUES ('$session_id',".$rowsf['id'].",'$fvalues', '$tms')";
  1229. //error_log('UM::update_extra_field_value: '.$sqli);
  1230. $resi = Database::query($sqli);
  1231. return($resi?true:false);
  1232. }
  1233. } else {
  1234. return false; //field not found
  1235. }
  1236. }
  1237. /**
  1238. * Checks the relationship between a session and a course.
  1239. * @param int $session_id
  1240. * @param int $course_id
  1241. * @return bool Returns TRUE if the session and the course are related, FALSE otherwise.
  1242. * */
  1243. public static function relation_session_course_exist ($session_id, $course_id) {
  1244. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1245. $return_value = false;
  1246. $sql= "SELECT course_code FROM $tbl_session_course WHERE id_session = ".Database::escape_string($session_id)." AND course_code = '".Database::escape_string($course_id)."'";
  1247. $result = Database::query($sql);
  1248. $num = Database::num_rows($result);
  1249. if ($num>0) {
  1250. $return_value = true;
  1251. }
  1252. return $return_value;
  1253. }
  1254. /**
  1255. * Get the session information by name
  1256. * @param string session name
  1257. * @return mixed false if the session does not exist, array if the session exist
  1258. * */
  1259. public static function get_session_by_name ($session_name) {
  1260. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1261. $sql = 'SELECT * FROM '.$tbl_session.' WHERE name="'.Database::escape_string($session_name).'"';
  1262. $result = Database::query($sql);
  1263. $num = Database::num_rows($result);
  1264. if ($num) {
  1265. return Database::fetch_array($result, 'ASSOC');
  1266. } else {
  1267. return false;
  1268. }
  1269. }
  1270. /**
  1271. * Create a session category
  1272. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  1273. * @param string name
  1274. * @param integer year_start
  1275. * @param integer month_start
  1276. * @param integer day_start
  1277. * @param integer year_end
  1278. * @param integer month_end
  1279. * @param integer day_end
  1280. * @return $id_session;
  1281. **/
  1282. public static function create_category_session($sname,$syear_start,$smonth_start,$sday_start,$syear_end,$smonth_end, $sday_end){
  1283. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1284. $name= trim($sname);
  1285. $year_start= intval($syear_start);
  1286. $month_start=intval($smonth_start);
  1287. $day_start=intval($sday_start);
  1288. $year_end=intval($syear_end);
  1289. $month_end=intval($smonth_end);
  1290. $day_end=intval($sday_end);
  1291. $date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  1292. $date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  1293. if (empty($name)) {
  1294. $msg=get_lang('SessionCategoryNameIsRequired');
  1295. return $msg;
  1296. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start)) {
  1297. $msg=get_lang('InvalidStartDate');
  1298. return $msg;
  1299. } elseif (!$month_end && !$day_end && !$year_end) {
  1300. $date_end = "null";
  1301. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end)) {
  1302. $msg=get_lang('InvalidEndDate');
  1303. return $msg;
  1304. } elseif($date_start >= $date_end) {
  1305. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  1306. return $msg;
  1307. }
  1308. $access_url_id = api_get_current_access_url_id();
  1309. $sql = "INSERT INTO $tbl_session_category (name, date_start, date_end, access_url_id)
  1310. VALUES('".Database::escape_string($name)."','$date_start','$date_end', '$access_url_id')";
  1311. Database::query($sql);
  1312. $id_session = Database::insert_id();
  1313. // Add event to system log
  1314. $user_id = api_get_user_id();
  1315. event_system(LOG_SESSION_CATEGORY_CREATE, LOG_SESSION_CATEGORY_ID, $id_session, api_get_utc_datetime(), $user_id);
  1316. return $id_session;
  1317. }
  1318. /**
  1319. * Edit a sessions categories
  1320. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>,from existing code
  1321. * @param integer id
  1322. * @param string name
  1323. * @param integer year_start
  1324. * @param integer month_start
  1325. * @param integer day_start
  1326. * @param integer year_end
  1327. * @param integer month_end
  1328. * @param integer day_end
  1329. * @return $id;
  1330. * The parameter id is a primary key
  1331. **/
  1332. public static function edit_category_session($id, $sname,$syear_start,$smonth_start,$sday_start,$syear_end,$smonth_end, $sday_end){
  1333. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1334. $name= trim($sname);
  1335. $year_start= intval($syear_start);
  1336. $month_start=intval($smonth_start);
  1337. $day_start=intval($sday_start);
  1338. $year_end=intval($syear_end);
  1339. $month_end=intval($smonth_end);
  1340. $day_end=intval($sday_end);
  1341. $id=intval($id);
  1342. $date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  1343. $date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  1344. if (empty($name)) {
  1345. $msg=get_lang('SessionCategoryNameIsRequired');
  1346. return $msg;
  1347. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start)) {
  1348. $msg=get_lang('InvalidStartDate');
  1349. return $msg;
  1350. } elseif (!$month_end && !$day_end && !$year_end) {
  1351. $date_end = null;
  1352. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end)) {
  1353. $msg=get_lang('InvalidEndDate');
  1354. return $msg;
  1355. } elseif($date_start >= $date_end) {
  1356. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  1357. return $msg;
  1358. }
  1359. if ( $date_end <> null ) {
  1360. $sql = "UPDATE $tbl_session_category SET name = '".Database::escape_string($name)."', date_start = '$date_start' ".
  1361. ", date_end = '$date_end' WHERE id= '".$id."' ";
  1362. } else {
  1363. $sql = "UPDATE $tbl_session_category SET name = '".Database::escape_string($name)."', date_start = '$date_start' ".
  1364. ", date_end = NULL WHERE id= '".$id."' ";
  1365. }
  1366. $result = Database::query($sql);
  1367. return ($result? true:false);
  1368. }
  1369. /**
  1370. * Delete sessions categories
  1371. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  1372. * @param array id_checked
  1373. * @param bool include delete session
  1374. * @param bool optional, true if the function is called by a webservice, false otherwise.
  1375. * @return void Nothing, or false on error
  1376. * The parameters is a array to delete sessions
  1377. **/
  1378. public static function delete_session_category($id_checked, $delete_session = false,$from_ws = false){
  1379. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1380. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1381. if (is_array($id_checked)) {
  1382. $id_checked = Database::escape_string(implode(',',$id_checked));
  1383. } else {
  1384. $id_checked = intval($id_checked);
  1385. }
  1386. //Setting session_category_id to 0
  1387. $sql = "UPDATE $tbl_session SET session_category_id = 0 WHERE session_category_id IN (".$id_checked.")";
  1388. Database::query($sql);
  1389. $sql = "SELECT id FROM $tbl_session WHERE session_category_id IN (".$id_checked.")";
  1390. $result = @Database::query($sql);
  1391. while ($rows = Database::fetch_array($result)) {
  1392. $session_id = $rows['id'];
  1393. if ($delete_session) {
  1394. if ($from_ws) {
  1395. SessionManager::delete_session($session_id,true);
  1396. } else {
  1397. SessionManager::delete_session($session_id);
  1398. }
  1399. }
  1400. }
  1401. $sql = "DELETE FROM $tbl_session_category WHERE id IN (".$id_checked.")";
  1402. $rs = @Database::query($sql);
  1403. $result = Database::affected_rows();
  1404. // Add event to system log
  1405. $user_id = api_get_user_id();
  1406. event_system(LOG_SESSION_CATEGORY_DELETE, LOG_SESSION_CATEGORY_ID, $id_checked, api_get_utc_datetime(), $user_id);
  1407. // delete extra session fields where field variable is "PERIODO"
  1408. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1409. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1410. $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' ";
  1411. $rs_field = Database::query($sql);
  1412. $field_id = 0;
  1413. if (Database::num_rows($rs_field) > 0) {
  1414. $row_field = Database::fetch_row($rs_field);
  1415. $field_id = $row_field[0];
  1416. $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked' AND field_id = '$field_id'";
  1417. $rs_delete_sfv = Database::query($sql_delete_sfv);
  1418. }
  1419. $sql = "SELECT * FROM $t_sfv WHERE field_id = '$field_id' ";
  1420. $rs_field_id = Database::query($sql);
  1421. if (Database::num_rows($rs_field_id) == 0) {
  1422. $sql_delete_sf = "DELETE FROM $t_sf WHERE id = '$field_id'";
  1423. $rs_delete_sf = Database::query($sql_delete_sf);
  1424. }
  1425. return true;
  1426. }
  1427. /**
  1428. * Get a list of sessions of which the given conditions match with an = 'cond'
  1429. * @param array $conditions a list of condition (exemple : array('status =' =>STUDENT) or array('s.name LIKE' => "%$needle%")
  1430. * @param array $order_by a list of fields on which sort
  1431. * @return array An array with all sessions of the platform.
  1432. * @todo optional course code parameter, optional sorting parameters...
  1433. */
  1434. public static function get_sessions_list($conditions = array(), $order_by = array()) {
  1435. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1436. $session_category_table = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1437. $user_table = Database::get_main_table(TABLE_MAIN_USER);
  1438. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1439. $access_url_id = api_get_current_access_url_id();
  1440. $return_array = array();
  1441. $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
  1442. FROM $session_table s
  1443. INNER JOIN $user_table u ON s.id_coach = u.user_id
  1444. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  1445. LEFT JOIN $session_category_table sc ON s.session_category_id = sc.id
  1446. WHERE ar.access_url_id = $access_url_id ";
  1447. if (count($conditions) > 0) {
  1448. $sql_query .= ' AND ';
  1449. foreach ($conditions as $field=>$value) {
  1450. $field = Database::escape_string($field);
  1451. $value = Database::escape_string($value);
  1452. $sql_query .= $field." '".$value."'";
  1453. }
  1454. }
  1455. if (count($order_by)>0) {
  1456. $sql_query .= ' ORDER BY '.Database::escape_string(implode(',',$order_by));
  1457. }
  1458. //echo $sql_query;
  1459. $sql_result = Database::query($sql_query);
  1460. if (Database::num_rows($sql_result)>0) {
  1461. while ($result = Database::fetch_array($sql_result)) {
  1462. $return_array[$result['id']] = $result;
  1463. }
  1464. }
  1465. return $return_array;
  1466. }
  1467. /**
  1468. * Get the session category information by id
  1469. * @param string session category ID
  1470. * @return mixed false if the session category does not exist, array if the session category exists
  1471. */
  1472. public static function get_session_category ($id) {
  1473. $id = intval($id);
  1474. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1475. $sql = "SELECT id, name, date_start, date_end FROM $tbl_session_category WHERE id= $id";
  1476. $result = Database::query($sql);
  1477. $num = Database::num_rows($result);
  1478. if ($num>0){
  1479. return Database::fetch_array($result);
  1480. } else {
  1481. return false;
  1482. }
  1483. }
  1484. /**
  1485. * Get all session categories (filter by access_url_id)
  1486. * @return mixed false if the session category does not exist, array if the session category exists
  1487. */
  1488. public static function get_all_session_category() {
  1489. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1490. $id = api_get_current_access_url_id();
  1491. $sql = 'SELECT * FROM '.$tbl_session_category.' WHERE access_url_id ="'.$id.'" ORDER BY name ASC';
  1492. $result = Database::query($sql);
  1493. if (Database::num_rows($result) > 0 ){
  1494. $data = Database::store_result($result,'ASSOC');
  1495. return $data;
  1496. } else {
  1497. return false;
  1498. }
  1499. }
  1500. /**
  1501. * Assign a coach to course in session with status = 2
  1502. * @param int - user id
  1503. * @param int - session id
  1504. * @param string - course code
  1505. * @param bool - optional, if is true the user don't be a coach now, otherwise it'll assign a coach
  1506. * @return bool true if there are affected rows, otherwise false
  1507. */
  1508. public static function set_coach_to_course_session($user_id, $session_id = 0, $course_code = '',$nocoach = false) {
  1509. // Definition of variables
  1510. $user_id = intval($user_id);
  1511. if (!empty($session_id)) {
  1512. $session_id = intval($session_id);
  1513. } else {
  1514. $session_id = api_get_session_id();
  1515. }
  1516. if (!empty($course_code)) {
  1517. $course_code = Database::escape_string($course_code);
  1518. } else {
  1519. $course_code = api_get_course_id();
  1520. }
  1521. // definitios of tables
  1522. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1523. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1524. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1525. // check if user is a teacher
  1526. $sql= "SELECT * FROM $tbl_user WHERE status='1' AND user_id = '$user_id'";
  1527. $rs_check_user = Database::query($sql);
  1528. if (Database::num_rows($rs_check_user) > 0) {
  1529. if ($nocoach) {
  1530. // check if user_id exits int session_rel_user
  1531. $sql = "SELECT id_user FROM $tbl_session_rel_user WHERE id_session = '$session_id' AND id_user = '$user_id'";
  1532. $res = Database::query($sql);
  1533. if (Database::num_rows($res) > 0) {
  1534. // The user don't be a coach now
  1535. $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' ";
  1536. $rs_update = Database::query($sql);
  1537. if (Database::affected_rows() > 0) return true;
  1538. else return false;
  1539. } else {
  1540. // The user don't be a coach now
  1541. $sql = "DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session = '$session_id' AND course_code = '$course_code' AND id_user = '$user_id' ";
  1542. $rs_delete = Database::query($sql);
  1543. if (Database::affected_rows() > 0) return true;
  1544. else return false;
  1545. }
  1546. } else {
  1547. // Assign user like a coach to course
  1548. // First check if the user is registered in the course
  1549. $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'";
  1550. $rs_check = Database::query($sql);
  1551. //Then update or insert
  1552. if (Database::num_rows($rs_check) > 0) {
  1553. $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' ";
  1554. $rs_update = Database::query($sql);
  1555. if (Database::affected_rows() > 0) return true;
  1556. else return false;
  1557. } else {
  1558. $sql = " INSERT INTO $tbl_session_rel_course_rel_user(id_session, course_code, id_user, status) VALUES('$session_id', '$course_code', '$user_id', 2)";
  1559. $rs_insert = Database::query($sql);
  1560. if (Database::affected_rows() > 0) return true;
  1561. else return false;
  1562. }
  1563. }
  1564. } else {
  1565. return false;
  1566. }
  1567. }
  1568. /**
  1569. * Subscribes sessions to human resource manager (Dashboard feature)
  1570. * @param int Human Resource Manager id
  1571. * @param array Sessions id
  1572. * @param int Relation type
  1573. **/
  1574. public static function suscribe_sessions_to_hr_manager($hr_manager_id,$sessions_list) {
  1575. global $_configuration;
  1576. // Database Table Definitions
  1577. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1578. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1579. $tbl_session_rel_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1580. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1581. $hr_manager_id = intval($hr_manager_id);
  1582. $affected_rows = 0;
  1583. //Deleting assigned sessions to hrm_id
  1584. if ($_configuration['multiple_access_urls']) {
  1585. $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()."";
  1586. } else {
  1587. $sql = "SELECT id_session FROM $tbl_session_rel_user s WHERE id_user = $hr_manager_id AND relation_type=".SESSION_RELATION_TYPE_RRHH."";
  1588. }
  1589. $result = Database::query($sql);
  1590. if (Database::num_rows($result) > 0) {
  1591. while ($row = Database::fetch_array($result)) {
  1592. $sql = "DELETE FROM $tbl_session_rel_user WHERE id_session = {$row['id_session']} AND id_user = $hr_manager_id AND relation_type=".SESSION_RELATION_TYPE_RRHH." ";
  1593. Database::query($sql);
  1594. }
  1595. }
  1596. /*
  1597. //Deleting assigned courses in sessions to hrm_id
  1598. $sql = "SELECT * FROM $tbl_session_rel_course_user WHERE id_user = $hr_manager_id ";
  1599. $result = Database::query($sql);
  1600. if (Database::num_rows($result) > 0) {
  1601. $sql = "DELETE FROM $tbl_session_rel_course_user WHERE id_user = $hr_manager_id ";
  1602. Database::query($sql);
  1603. }
  1604. */
  1605. // inserting new sessions list
  1606. if (is_array($sessions_list)) {
  1607. foreach ($sessions_list as $session_id) {
  1608. $session_id = intval($session_id);
  1609. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_user(id_session, id_user, relation_type) VALUES($session_id, $hr_manager_id, '".SESSION_RELATION_TYPE_RRHH."')";
  1610. Database::query($insert_sql);
  1611. $affected_rows = Database::affected_rows();
  1612. }
  1613. }
  1614. return $affected_rows;
  1615. }
  1616. /**
  1617. * Get sessions followed by human resources manager
  1618. * @param int Human resources manager or Session admin id
  1619. * @return array sessions
  1620. */
  1621. public static function get_sessions_followed_by_drh($hr_manager_id) {
  1622. global $_configuration;
  1623. // Database Table Definitions
  1624. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1625. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1626. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1627. $hr_manager_id = intval($hr_manager_id);
  1628. $assigned_sessions_to_hrm = array();
  1629. if ($_configuration['multiple_access_urls']) {
  1630. $sql = "SELECT * FROM $tbl_session s INNER JOIN $tbl_session_rel_user sru ON (sru.id_session = s.id) LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
  1631. WHERE sru.id_user = '$hr_manager_id' AND sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' AND access_url_id = ".api_get_current_access_url_id()."";
  1632. } else {
  1633. $sql = "SELECT * FROM $tbl_session s
  1634. 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."' ";
  1635. }
  1636. $rs_assigned_sessions = Database::query($sql);
  1637. if (Database::num_rows($rs_assigned_sessions) > 0) {
  1638. while ($row_assigned_sessions = Database::fetch_array($rs_assigned_sessions)) {
  1639. $assigned_sessions_to_hrm[$row_assigned_sessions['id']] = $row_assigned_sessions;
  1640. }
  1641. }
  1642. return $assigned_sessions_to_hrm;
  1643. }
  1644. /**
  1645. * Gets the list of courses by session filtered by access_url
  1646. * @param int session id
  1647. * @return array list of courses
  1648. */
  1649. public static function get_course_list_by_session_id ($session_id) {
  1650. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  1651. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1652. // select the courses
  1653. $sql = "SELECT * FROM $tbl_course c INNER JOIN $tbl_session_rel_course src ON c.code = src.course_code
  1654. WHERE src.id_session = '$session_id' ORDER BY title;";
  1655. $result = Database::query($sql);
  1656. $num_rows = Database::num_rows($result);
  1657. $courses = array();
  1658. if ($num_rows > 0) {
  1659. while ($row = Database::fetch_array($result,'ASSOC')) {
  1660. $row['real_id'] = $row['id'];
  1661. $courses[$row['id']] = $row;
  1662. }
  1663. }
  1664. return $courses;
  1665. }
  1666. /**
  1667. * Get the session id based on the original id and field name in the extra fields. Returns 0 if session was not found
  1668. *
  1669. * @param string Original session id
  1670. * @param string Original field name
  1671. * @return int Session id
  1672. */
  1673. public static function get_session_id_from_original_id($original_session_id_value, $original_session_id_name) {
  1674. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1675. $table_field = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1676. $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'";
  1677. $res_session = Database::query($sql_session);
  1678. $row = Database::fetch_object($res_session);
  1679. if ($row) {
  1680. return $row->session_id;
  1681. } else {
  1682. return 0;
  1683. }
  1684. }
  1685. /**
  1686. * Get users by session
  1687. * @param int session id
  1688. * @param int filter by status
  1689. * @return array a list with an user list
  1690. */
  1691. public static function get_users_by_session($id, $with_status = null) {
  1692. if (empty($id)) {
  1693. return array();
  1694. }
  1695. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1696. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1697. $id = intval($id);
  1698. /*
  1699. * sessions are not shared between urls
  1700. if (api_is_multiple_url_enabled()) {
  1701. $tbl_session_rel_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1702. $url_id = api_get_current_access_url_id();
  1703. $sql = "SELECT u.user_id, lastname, firstname, username, access_url_id, moved_to, moved_status, moved_at
  1704. FROM $tbl_user u
  1705. INNER JOIN $tbl_session_rel_user su
  1706. ON u.user_id = su.id_user AND su.relation_type<>".SESSION_RELATION_TYPE_RRHH."
  1707. INNER JOIN $tbl_session_rel_url s ON (s.session_id = su.id_session)
  1708. LEFT OUTER JOIN $tbl_session_rel_user uu ON (uu.user_id = u.user_id AND s.session_id = uu.id_session)
  1709. WHERE su.id_session = $id AND (access_url_id = $url_id OR access_url_id is null )";
  1710. } else {
  1711. $sql = "SELECT u.user_id, lastname, firstname, username, moved_to, moved_status, moved_at
  1712. FROM $tbl_user u INNER JOIN $tbl_session_rel_user su
  1713. ON u.user_id = su.id_user AND
  1714. su.id_session = $id
  1715. WHERE 1 = 1
  1716. ";
  1717. }*/
  1718. $sql = "SELECT u.user_id, lastname, firstname, username, moved_to, moved_status, moved_at
  1719. FROM $tbl_user u INNER JOIN $tbl_session_rel_user su
  1720. ON u.user_id = su.id_user AND
  1721. su.id_session = $id
  1722. WHERE 1 = 1
  1723. ";
  1724. if (isset($with_status) && $with_status != '') {
  1725. $with_status = intval($with_status);
  1726. $sql .= " AND relation_type = $with_status ";
  1727. }
  1728. $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname' : ' ORDER BY lastname, firstname';
  1729. $sql .= $order_clause;
  1730. $return_array = array();
  1731. $result = Database::query($sql);
  1732. while ($row = Database::fetch_array($result,'ASSOC')) {
  1733. $return_array[] = $row;
  1734. }
  1735. return $return_array;
  1736. }
  1737. /**
  1738. * The general coach (field: session.id_coach)
  1739. * @param int user id
  1740. */
  1741. public static function get_sessions_by_general_coach($user_id) {
  1742. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1743. $user_id = intval($user_id);
  1744. // session where we are general coach
  1745. $sql = "SELECT DISTINCT *
  1746. FROM $session_table
  1747. WHERE id_coach = $user_id";
  1748. if (api_is_multiple_url_enabled()) {
  1749. $tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1750. $access_url_id = api_get_current_access_url_id();
  1751. if ($access_url_id != -1) {
  1752. $sql = 'SELECT DISTINCT session.*
  1753. FROM '.$session_table.' session INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
  1754. ON (session.id = session_rel_url.session_id)
  1755. WHERE id_coach = '.$user_id.' AND access_url_id = '.$access_url_id;
  1756. }
  1757. }
  1758. $sql .= ' ORDER by name';
  1759. $result = Database::query($sql);
  1760. return Database::store_result($result, 'ASSOC');
  1761. }
  1762. /**
  1763. * Get all sessions if the user is a sesion course coach of any session
  1764. * @param int user id
  1765. */
  1766. static function get_sessions_by_coach($user_id) {
  1767. // table definition
  1768. $tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
  1769. $tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1770. $sql = 'SELECT DISTINCT session.*
  1771. FROM ' . $tbl_session . ' as session
  1772. INNER JOIN ' . $tbl_session_course_user . ' as session_course_user
  1773. ON session.id = session_course_user.id_session
  1774. AND session_course_user.id_user=' . $user_id.' AND session_course_user.status=2';
  1775. if (api_is_multiple_url_enabled()) {
  1776. $tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1777. $access_url_id = api_get_current_access_url_id();
  1778. if ($access_url_id != -1){
  1779. $sql = 'SELECT DISTINCT session.*
  1780. FROM '.$tbl_session.' as session
  1781. INNER JOIN ' . $tbl_session_course_user . ' as session_course_user
  1782. ON session.id = session_course_user.id_session AND session_course_user.id_user = '.$user_id.' AND session_course_user.status=2
  1783. INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
  1784. ON (session.id = session_rel_url.session_id)
  1785. WHERE access_url_id = '.$access_url_id;
  1786. }
  1787. }
  1788. //$sql .= " ORDER BY session.name";
  1789. $result = Database::query($sql);
  1790. return Database::store_result($result, 'ASSOC');
  1791. }
  1792. public static function get_sessions_coached_by_user($coach_id, $check_session_rel_user_visibility = false) {
  1793. $sessions = self::get_sessions_by_general_coach($coach_id);
  1794. $sessions_by_coach = self::get_sessions_by_coach($coach_id);
  1795. if (!empty($sessions_by_coach)) {
  1796. $sessions = array_merge($sessions, $sessions_by_coach);
  1797. }
  1798. //Remove repeated sessions
  1799. if (!empty($sessions)) {
  1800. $clean_sessions = array();
  1801. foreach ($sessions as $session) {
  1802. $clean_sessions[$session['id']] = $session;
  1803. }
  1804. $sessions = $clean_sessions;
  1805. }
  1806. if ($check_session_rel_user_visibility) {
  1807. if (!empty($sessions)) {
  1808. $new_session = array();
  1809. foreach ($sessions as $session) {
  1810. $visibility = api_get_session_visibility($session['id']);
  1811. if ($visibility == SESSION_INVISIBLE) {
  1812. continue;
  1813. }
  1814. $new_session[] = $session;
  1815. }
  1816. $sessions = $new_session;
  1817. }
  1818. }
  1819. return $sessions;
  1820. }
  1821. /**
  1822. * Gets user status within a session
  1823. * @param $user_id
  1824. * @param $course_code
  1825. * @param $session_id
  1826. * @return unknown_type
  1827. */
  1828. public static function get_user_status_in_course_session($user_id, $course_code, $session_id) {
  1829. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1830. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1831. $sql = "SELECT session_rcru.status
  1832. FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  1833. WHERE session_rcru.id_user = user.user_id AND
  1834. session_rcru.id_session = '".intval($session_id)."' AND
  1835. session_rcru.course_code ='".Database::escape_string($course_code)."' AND
  1836. user.user_id = ".intval($user_id);
  1837. $result = Database::query($sql);
  1838. $status = false;
  1839. if (Database::num_rows($result)) {
  1840. $status = Database::fetch_row($result);
  1841. $status = $status['0'];
  1842. }
  1843. return $status;
  1844. }
  1845. static function get_user_status_in_session($session_id, $user_id) {
  1846. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1847. $session_id = intval($session_id);
  1848. $user_id = intval($user_id);
  1849. $sql = "SELECT * FROM $tbl_session_rel_user WHERE id_user = $user_id AND id_session = $session_id";
  1850. $result = Database::query($sql);
  1851. if (Database::num_rows($result)) {
  1852. $result = Database::store_result($result, 'ASSOC');
  1853. return $result[0];
  1854. }
  1855. return array();
  1856. }
  1857. function get_all_sessions_by_promotion($id) {
  1858. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  1859. return Database::select('*', $t, array('where'=>array('promotion_id = ?'=>$id)));
  1860. }
  1861. function suscribe_sessions_to_promotion($promotion_id, $list) {
  1862. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  1863. $params = array();
  1864. $params['promotion_id'] = 0;
  1865. Database::update($t, $params, array('promotion_id = ?'=>$promotion_id));
  1866. $params['promotion_id'] = $promotion_id;
  1867. if (!empty($list)) {
  1868. foreach ($list as $session_id) {
  1869. $session_id= intval($session_id);
  1870. Database::update($t, $params, array('id = ?'=>$session_id));
  1871. }
  1872. }
  1873. }
  1874. /**
  1875. * Updates a session status
  1876. * @param int session id
  1877. * @param int status
  1878. */
  1879. public function set_session_status($session_id, $status) {
  1880. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  1881. $params['visibility'] = $status;
  1882. Database::update($t, $params, array('id = ?'=>$session_id));
  1883. }
  1884. /**
  1885. * Copies a session with the same data to a new session.
  1886. * The new copy is not assigned to the same promotion. @see suscribe_sessions_to_promotions() for that
  1887. * @param int Session ID
  1888. * @param bool Whether to copy the relationship with courses
  1889. * @param bool Whether to copy the relationship with users
  1890. * @param bool New courses will be created
  1891. * @return int The new session ID on success, 0 otherwise
  1892. * @todo make sure the extra session fields are copied too
  1893. */
  1894. /**
  1895. * @param $id
  1896. * @param $copy_courses
  1897. * @param $copy_users
  1898. * @param $create_new_courses
  1899. * @param $set_exercises_lp_invisible
  1900. * @return int
  1901. */
  1902. public function copy_session($id, $copy_courses = true, $copy_users = true, $create_new_courses = false, $set_exercises_lp_invisible = false) {
  1903. $id = intval($id);
  1904. $params = self::fetch($id);
  1905. $params['name'] = $params['name'].' '.get_lang('CopyLabelSuffix');
  1906. $sid = self::add($params);
  1907. if (!is_numeric($sid) || empty($sid)) {
  1908. return false;
  1909. }
  1910. if ($copy_courses) {
  1911. // Register courses from the original session to the new session
  1912. $courses = self::get_course_list_by_session_id($id);
  1913. $short_courses = $new_short_courses = array();
  1914. if (is_array($courses) && count($courses)>0) {
  1915. foreach ($courses as $course) {
  1916. $short_courses[] = $course;
  1917. }
  1918. }
  1919. $courses = null;
  1920. //We will copy the current courses of the session to new courses
  1921. if (!empty($short_courses)) {
  1922. if ($create_new_courses) {
  1923. //Just in case
  1924. if (function_exists('ini_set')) {
  1925. api_set_memory_limit('256M');
  1926. ini_set('max_execution_time',0);
  1927. }
  1928. $params = array();
  1929. $params['skip_lp_dates'] = true;
  1930. foreach ($short_courses as $course_data) {
  1931. $course_info = CourseManager::copy_course_simple($course_data['title'].' '.get_lang('CopyLabelSuffix'), $course_data['course_code'], $id, $sid, $params);
  1932. if ($course_info) {
  1933. //By default new elements are invisible
  1934. if ($set_exercises_lp_invisible) {
  1935. require_once api_get_path(SYS_CODE_PATH).'newscorm/learnpathList.class.php';
  1936. $list = new LearnpathList('', $course_info['code'], $sid);
  1937. $flat_list = $list->get_flat_list();
  1938. if (!empty($flat_list)) {
  1939. foreach($flat_list as $lp_id => $data) {
  1940. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0 ,0, 0, 0, $sid);
  1941. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0 ,0, 0, 0);
  1942. }
  1943. }
  1944. $quiz_table = Database::get_course_table(TABLE_QUIZ_TEST);
  1945. $course_id = $course_info['real_id'];
  1946. //@todo check this query
  1947. //Disabling quiz items
  1948. $sql = "UPDATE $quiz_table SET active = 0 WHERE c_id = $course_id ";
  1949. Database::query($sql);
  1950. }
  1951. $new_short_courses[] = $course_info['code'];
  1952. }
  1953. }
  1954. } else {
  1955. foreach($short_courses as $course_data) {
  1956. $new_short_courses[] = $course_data['code'];
  1957. }
  1958. }
  1959. $short_courses = $new_short_courses;
  1960. $res = self::add_courses_to_session($sid, $short_courses, true);
  1961. $short_courses = null;
  1962. }
  1963. }
  1964. if ($copy_users) {
  1965. // Register users from the original session to the new session
  1966. $users = self::get_users_by_session($id);
  1967. $short_users = array();
  1968. if (is_array($users) && count($users)>0) {
  1969. foreach ($users as $user) {
  1970. $short_users[] = $user['user_id'];
  1971. }
  1972. }
  1973. $users = null;
  1974. //Subscribing in read only mode
  1975. $res = self::suscribe_users_to_session($sid, $short_users, SESSION_VISIBLE_READ_ONLY, true, false);
  1976. $short_users = null;
  1977. }
  1978. return $sid;
  1979. }
  1980. static function user_is_general_coach($user_id, $session_id) {
  1981. $session_id = intval($session_id);
  1982. $user_id = intval($user_id);
  1983. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1984. $sql = "SELECT DISTINCT id
  1985. FROM $session_table
  1986. WHERE session.id_coach = '".$user_id."' AND id = '$session_id'";
  1987. $result = Database::query($sql);
  1988. if ($result && Database::num_rows($result)) {
  1989. return true;
  1990. }
  1991. return false;
  1992. }
  1993. /**
  1994. * Get the number of sessions
  1995. * @param int ID of the URL we want to filter on (optional)
  1996. * @return int Number of sessions
  1997. */
  1998. public function count_sessions($access_url_id=null) {
  1999. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  2000. $access_url_rel_session_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  2001. $sql = "SELECT count(id) FROM $session_table s";
  2002. if (!empty($access_url_id) && $access_url_id == intval($access_url_id)) {
  2003. $sql .= ", $access_url_rel_session_table u ".
  2004. " WHERE s.id = u.session_id AND u.access_url_id = $access_url_id";
  2005. }
  2006. $res = Database::query($sql);
  2007. $row = Database::fetch_row($res);
  2008. return $row[0];
  2009. }
  2010. static function protect_session_edit($id = null) {
  2011. $blockTeachers = !api_is_platform_admin() && (!api_is_teacher() || (api_is_teacher() && api_get_setting('allow_teachers_to_create_sessions') == 'false'));
  2012. if ($blockTeachers) {
  2013. api_not_allowed(true);
  2014. }
  2015. if (!empty($id)) {
  2016. $session_info = self::fetch($id);
  2017. if (empty($session_info)) {
  2018. api_not_allowed(true);
  2019. }
  2020. if ($blockTeachers && !api_is_platform_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') != 'true') {
  2021. if ($session_info['session_admin_id'] != api_get_user_id()) {
  2022. api_not_allowed(true);
  2023. }
  2024. }
  2025. //Blocking teachers that want to edit another session
  2026. if ($blockTeachers == false && $session_info['id_coach'] != api_get_user_id()) {
  2027. api_not_allowed(true);
  2028. }
  2029. }
  2030. }
  2031. static function get_session_by_course($course_code) {
  2032. $table_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2033. $table_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2034. $course_code = Database::escape_string($course_code);
  2035. $sql = "SELECT name, s.id FROM $table_session_course sc INNER JOIN $table_session s ON (sc.id_session = s.id)
  2036. WHERE sc.course_code = '$course_code' ";
  2037. $result = Database::query($sql);
  2038. return Database::store_result($result);
  2039. }
  2040. /**
  2041. * @todo Add constatns in a DB table
  2042. */
  2043. static function get_session_change_user_reasons() {
  2044. return array (
  2045. self::SESSION_CHANGE_USER_REASON_SCHEDULE => get_lang('ScheduleChanged'),
  2046. self::SESSION_CHANGE_USER_REASON_CLASSROOM => get_lang('ClassRoomChanged'),
  2047. self::SESSION_CHANGE_USER_REASON_LOCATION => get_lang('LocationChanged'),
  2048. //self::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION => get_lang('EnrollmentAnnulation'),
  2049. );
  2050. }
  2051. static function get_session_change_user_reasons_variations() {
  2052. return array (
  2053. self::SESSION_CHANGE_USER_REASON_SCHEDULE => array(
  2054. 'default' => get_lang('ScheduleChanged'),
  2055. 'from' => get_lang('ScheduleChangedFrom'),
  2056. 'to' => get_lang('ScheduleChangedTo'),
  2057. ),
  2058. self::SESSION_CHANGE_USER_REASON_CLASSROOM => array(
  2059. 'default' => get_lang('ClassRoomChanged'),
  2060. 'from' => get_lang('ClassRoomChangedFrom'),
  2061. 'to' => get_lang('ClassRoomChangedTo'),
  2062. ),
  2063. self::SESSION_CHANGE_USER_REASON_LOCATION => array(
  2064. 'default' => get_lang('LocationChanged'),
  2065. 'from' => get_lang('LocationChangedFrom'),
  2066. 'to' => get_lang('LocationChangedTo'),
  2067. )
  2068. );
  2069. }
  2070. static function get_session_change_user_reasons_variations_by_id($id, $type) {
  2071. $reasons = self::get_session_change_user_reasons_variations();
  2072. $my_reason = isset($reasons[$id]) ? $reasons[$id] : null;
  2073. return isset($my_reason[$type]) ? $my_reason[$type] : null;
  2074. }
  2075. static function get_session_changed_reason_label($id, $type) {
  2076. switch ($type) {
  2077. case 'origin':
  2078. break;
  2079. case 'destination':
  2080. break;
  2081. }
  2082. }
  2083. /**
  2084. * Gets the reason name
  2085. * @param int reason id
  2086. */
  2087. static function get_session_change_user_reason($id) {
  2088. $reasons = self::get_session_change_user_reasons();
  2089. return isset($reasons[$id]) ? $reasons[$id] : null;
  2090. }
  2091. /**
  2092. * Changes the user from one session to another due a reason
  2093. * @params int user_id
  2094. * @params int old session id
  2095. * @params int new session id
  2096. * @params int see SessionManager::get_session_change_user_reasons()
  2097. */
  2098. static function change_user_session($user_id, $old_session_id, $new_session_id, $reason_id) {
  2099. if (!empty($user_id) && !empty($old_session_id) && !empty($new_session_id)) {
  2100. $user_id = intval($user_id);
  2101. $old_session_id = intval($old_session_id);
  2102. $new_session_id = intval($new_session_id);
  2103. $reason_id = intval($reason_id);
  2104. //self::unsubscribe_user_from_session($old_session_id, $user_id, $reason_id);
  2105. //$tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2106. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2107. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2108. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2109. // Update number of users
  2110. $update_sql = "UPDATE $tbl_session SET nbr_users = nbr_users - 1 WHERE id = '$old_session_id' ";
  2111. Database::query($update_sql);
  2112. // Get the list of courses related to this session
  2113. $course_list = SessionManager::get_course_list_by_session_id($old_session_id);
  2114. if (!empty($course_list)) {
  2115. foreach ($course_list as $course) {
  2116. $course_code = $course['code'];
  2117. // Delete user from course
  2118. //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'");
  2119. //if (Database::affected_rows()) {
  2120. // Update number of users in this relation
  2121. $sql = "UPDATE $tbl_session_rel_course SET nbr_users = nbr_users - 1 WHERE id_session = '$old_session_id' AND course_code='$course_code'";
  2122. Database::query($sql);
  2123. //}
  2124. }
  2125. }
  2126. //Deal with reasons
  2127. switch ($reason_id) {
  2128. case self::SESSION_CHANGE_USER_REASON_SCHEDULE:
  2129. case self::SESSION_CHANGE_USER_REASON_CLASSROOM:
  2130. case self::SESSION_CHANGE_USER_REASON_LOCATION:
  2131. //Adding to the new session
  2132. self::suscribe_users_to_session($new_session_id, array($user_id), null, false);
  2133. //Setting move_to if session was provided
  2134. $sql = "UPDATE $tbl_session_rel_user SET moved_to = '$new_session_id'
  2135. WHERE id_session = '$old_session_id' AND id_user ='$user_id'";
  2136. Database::query($sql);
  2137. break;
  2138. case self::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION:
  2139. UserManager::deactivate_users(array($user_id));
  2140. break;
  2141. }
  2142. $now = api_get_utc_datetime();
  2143. //Setting the moved_status
  2144. $sql = "UPDATE $tbl_session_rel_user SET moved_status = $reason_id, moved_at = '$now'
  2145. WHERE id_session = '$old_session_id' AND id_user ='$user_id'";
  2146. Database::query($sql);
  2147. return true;
  2148. }
  2149. return;
  2150. }
  2151. /**
  2152. * Get users inside a course session
  2153. */
  2154. static function get_users_in_course_session($course_code, $id_session, $sort, $direction, $from = null, $limit = null) {
  2155. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2156. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2157. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2158. $course_code = Database::escape_string($course_code);
  2159. $id_session = Database::escape_string($id_session);
  2160. $from = intval($from);
  2161. $limit = intval($limit);
  2162. $is_western_name_order = api_is_western_name_order();
  2163. //Select the number of users
  2164. $sql = " SELECT DISTINCT u.user_id,".($is_western_name_order ? 'u.firstname, u.lastname' : 'u.lastname, u.firstname').", u.username, scru.id_user as is_subscribed
  2165. FROM $tbl_session_rel_user sru INNER JOIN $tbl_user u ON (u.user_id=sru.id_user)
  2166. LEFT JOIN $tbl_session_rel_course_rel_user scru ON (u.user_id = scru.id_user AND scru.course_code = '".$course_code."' )
  2167. WHERE sru.id_session = '$id_session' AND
  2168. sru.moved_to = 0 AND sru.moved_status <> ".SessionManager::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION." AND
  2169. sru.relation_type<>".SESSION_RELATION_TYPE_RRHH;
  2170. $sql .= " ORDER BY $sort $direction ";
  2171. if (!empty($from) && !empty($limit)) {
  2172. $sql .= " LIMIT $from, $limit";
  2173. }
  2174. $result = Database::query($sql);
  2175. if (Database::num_rows($result)) {
  2176. return Database::store_result($result);
  2177. }
  2178. return false;
  2179. }
  2180. static function get_count_users_in_course_session($course_code, $id_session) {
  2181. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2182. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2183. //Select the number of users
  2184. $sql = " SELECT count(*) FROM $tbl_session_rel_user sru, $tbl_session_rel_course_rel_user srcru
  2185. WHERE srcru.id_user = sru.id_user AND
  2186. srcru.id_session = sru.id_session AND
  2187. srcru.course_code = '".Database::escape_string($course_code)."' AND
  2188. srcru.id_session = '".intval($id_session)."' AND
  2189. (sru.moved_to = 0 AND sru.moved_status <> ".SessionManager::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION.") AND
  2190. sru.relation_type<>".SESSION_RELATION_TYPE_RRHH;
  2191. $result = Database::query($sql);
  2192. if (Database::num_rows($result)) {
  2193. return Database::result($result,0,0);
  2194. }
  2195. return 0;
  2196. }
  2197. /**
  2198. * Get the list of coaches (only user ids)
  2199. * @param string course_code
  2200. * @param in session_id
  2201. * @return array
  2202. */
  2203. static function get_session_course_coaches($course_code, $session_id) {
  2204. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2205. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2206. // Get coachs of the courses in session
  2207. $sql = "SELECT user.user_id FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2208. WHERE session_rcru.id_user = user.user_id AND
  2209. session_rcru.id_session = '".intval($session_id)."' AND
  2210. session_rcru.course_code ='".Database::escape_string($course_code)."' AND
  2211. session_rcru.status=2";
  2212. $result = Database::query($sql);
  2213. return Database::store_result($result);
  2214. }
  2215. static function get_session_course_coaches_by_user($course_code, $session_id, $user_id) {
  2216. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2217. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2218. // Get coachs of the courses in session
  2219. $sql = "SELECT user.user_id FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2220. WHERE session_rcru.id_user = user.user_id AND
  2221. session_rcru.id_session = '".intval($session_id)."' AND
  2222. session_rcru.course_code ='".Database::escape_string($course_code)."' AND
  2223. session_rcru.status=2";
  2224. $result = Database::query($sql);
  2225. return Database::store_result($result);
  2226. }
  2227. static function get_session_course_coaches_to_string($course_code, $session_id) {
  2228. $coaches = self::get_session_course_coaches($course_code, $session_id);
  2229. if (!empty($coaches)) {
  2230. $coach_list = array();
  2231. foreach ($coaches as $coach_info) {
  2232. $user_info = api_get_user_info($coach_info['user_id']);
  2233. $coach_list[] = $user_info['complete_name'];
  2234. }
  2235. if (!empty($coach_list)) {
  2236. return implode(', ', $coach_list);
  2237. }
  2238. }
  2239. return get_lang('None');
  2240. }
  2241. static function delete_course_in_session($id_session, $course_code) {
  2242. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2243. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2244. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2245. $id_session = intval($id_session);
  2246. $course_code = Database::escape_string($course_code);
  2247. if (!empty($id_session) && !empty($course_code)) {
  2248. Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session='$id_session' AND course_code = '$course_code'");
  2249. $nbr_affected_rows=Database::affected_rows();
  2250. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND course_code = '$course_code'");
  2251. Database::query("UPDATE $tbl_session SET nbr_courses=nbr_courses-$nbr_affected_rows WHERE id='$id_session'");
  2252. }
  2253. }
  2254. static function get_sessions_by_user($user_id) {
  2255. $session_categories = UserManager::get_sessions_by_category($user_id);
  2256. $session_array = array();
  2257. if (!empty($session_categories)) {
  2258. foreach ($session_categories as $category) {
  2259. if (isset($category['sessions'])) {
  2260. foreach ($category['sessions'] as $session) {
  2261. $session_array[] = $session;
  2262. }
  2263. }
  2264. }
  2265. }
  2266. return $session_array;
  2267. }
  2268. static function get_session_rel_user_by_moved_to($session_id, $user_id) {
  2269. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2270. $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";
  2271. $result = Database::query($sql);
  2272. if (Database::num_rows($result)) {
  2273. $result = Database::store_result($result,'ASSOC');
  2274. return $result[0];
  2275. }
  2276. return false;
  2277. }
  2278. static function get_coaches_by_keyword($tag) {
  2279. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2280. $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname, username' : ' ORDER BY lastname, firstname, username';
  2281. $select ="SELECT user.user_id, lastname, firstname, username ";
  2282. $sql = " $select FROM $tbl_user user WHERE status='1'";
  2283. $tag = Database::escape_string($tag);
  2284. $where_condition = array();
  2285. if (!empty($tag)) {
  2286. $condition = ' LIKE "%'.$tag.'%"';
  2287. $where_condition = array( "firstname $condition",
  2288. "lastname $condition",
  2289. "username $condition"
  2290. );
  2291. $where_condition = ' AND ('.implode(' OR ', $where_condition).') ';
  2292. }
  2293. if (api_is_multiple_url_enabled()) {
  2294. $tbl_user_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  2295. $access_url_id = api_get_current_access_url_id();
  2296. if ($access_url_id != -1){
  2297. $sql = $select.' FROM '.$tbl_user.' user
  2298. INNER JOIN '.$tbl_user_rel_access_url.' url_user ON (url_user.user_id=user.user_id)
  2299. WHERE access_url_id = '.$access_url_id.' AND status = 1';
  2300. }
  2301. }
  2302. $sql .= $where_condition.$order_clause;
  2303. $result = Database::query($sql);
  2304. return Database::store_result($result, 'ASSOC');
  2305. }
  2306. /**
  2307. * Returns a human readable string
  2308. * @params array An array with all the session dates
  2309. * @return string
  2310. */
  2311. static function parse_session_dates($session_info) {
  2312. //This will clean the variables if 0000-00-00 00:00:00 the variable will be empty
  2313. $start_date = api_get_local_time($session_info['display_start_date'], null, null, true);
  2314. $end_date = api_get_local_time($session_info['display_end_date'], null, null, true);
  2315. $msg_date = null;
  2316. if (!empty($start_date) && !empty($end_date)) {
  2317. //$msg_date = get_lang('From').' '.$start_date.' '.get_lang('To').' '.$end_date;
  2318. $msg_date = sprintf(get_lang('FromDateXToDateY'), $start_date, $end_date);
  2319. } else {
  2320. if (!empty($start_date)) {
  2321. $msg_date = get_lang('From').' '.$start_date;
  2322. }
  2323. if (!empty($end_date)) {
  2324. $msg_date = get_lang('Until').' '.$end_date;
  2325. }
  2326. }
  2327. return $msg_date;
  2328. }
  2329. static public function get_session_columns($list_type = 'simple') {
  2330. //$activeurl = '?sidx=session_active';
  2331. //Column config
  2332. $operators = array('cn', 'nc');
  2333. $date_operators = array('gt', 'ge', 'lt', 'le');
  2334. switch ($list_type) {
  2335. case 'simple':
  2336. $columns = array(
  2337. get_lang('Name'),
  2338. get_lang('SessionDisplayStartDate'),
  2339. get_lang('SessionDisplayEndDate'),
  2340. //get_lang('SessionCategoryName'),
  2341. //get_lang('Coach'),
  2342. //get_lang('Status'),
  2343. get_lang('Visibility'),
  2344. //get_lang('CourseTitle'),
  2345. );
  2346. $column_model = array (
  2347. array('name'=>'name', 'index'=>'name', 'width'=>'200', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('sopt' => $operators)),
  2348. array('name'=>'display_start_date', 'index'=>'display_start_date', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('dataInit' => 'date_pick_today', 'sopt' => $date_operators)),
  2349. 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)),
  2350. // array('name'=>'category_name', 'index'=>'category_name', 'hidden' => 'true', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true', 'sopt' => $operators)),
  2351. //array('name'=>'access_start_date', 'index'=>'access_start_date', 'width'=>'60', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true')),
  2352. //array('name'=>'access_end_date', 'index'=>'access_end_date', 'width'=>'60', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true')),
  2353. //array('name'=>'coach_name', 'index'=>'coach_name', 'width'=>'70', 'align'=>'left', 'search' => 'false', 'searchoptions' => array('sopt' => $operators)),
  2354. //array('name'=>'session_active', 'index'=>'session_active', 'width'=>'25', 'align'=>'left', 'search' => 'true', 'stype'=>'select',
  2355. //for the bottom bar
  2356. // 'searchoptions' => array(
  2357. // 'defaultValue' => '1',
  2358. // 'value' => '1:'.get_lang('Active').';0:'.get_lang('Inactive')),
  2359. //for the top bar
  2360. //'editoptions' => array('value' => '" ":'.get_lang('All').';1:'.get_lang('Active').';0:'.get_lang('Inactive'))
  2361. //),
  2362. //array('name'=>'course_code', 'index'=>'course_code', 'width'=>'40', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
  2363. array('name'=>'visibility', 'index'=>'visibility', 'width'=>'40', 'align'=>'left', 'search' => 'false'),
  2364. //array('name'=>'course_title', 'index'=>'course_title', 'width'=>'50', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
  2365. );
  2366. break;
  2367. case 'complete':
  2368. $columns = array(
  2369. get_lang('Name'),
  2370. get_lang('SessionDisplayStartDate'),
  2371. get_lang('SessionDisplayEndDate'),
  2372. //get_lang('SessionCategoryName'),
  2373. get_lang('Coach'),
  2374. get_lang('Status'),
  2375. get_lang('Visibility'),
  2376. get_lang('CourseTitle'),
  2377. );
  2378. $column_model = array (
  2379. array('name'=>'name', 'index'=>'name', 'width'=>'200', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('sopt' => $operators)),
  2380. array('name'=>'display_start_date', 'index'=>'display_start_date', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('dataInit' => 'date_pick_today', 'sopt' => $date_operators)),
  2381. 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)),
  2382. // array('name'=>'category_name', 'index'=>'category_name', 'hidden' => 'true', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true', 'sopt' => $operators)),
  2383. //array('name'=>'access_start_date', 'index'=>'access_start_date', 'width'=>'60', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true')),
  2384. //array('name'=>'access_end_date', 'index'=>'access_end_date', 'width'=>'60', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true')),
  2385. array('name'=>'coach_name', 'index'=>'coach_name', 'width'=>'70', 'align'=>'left', 'search' => 'false', 'searchoptions' => array('sopt' => $operators)),
  2386. array('name'=>'session_active', 'index'=>'session_active', 'width'=>'25', 'align'=>'left', 'search' => 'true', 'stype'=>'select',
  2387. //for the bottom bar
  2388. 'searchoptions' => array(
  2389. 'defaultValue' => '1',
  2390. 'value' => '1:'.get_lang('Active').';0:'.get_lang('Inactive')),
  2391. //for the top bar
  2392. 'editoptions' => array('value' => '" ":'.get_lang('All').';1:'.get_lang('Active').';0:'.get_lang('Inactive'))
  2393. ),
  2394. //array('name'=>'course_code', 'index'=>'course_code', 'width'=>'40', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
  2395. array('name'=>'visibility', 'index'=>'visibility', 'width'=>'40', 'align'=>'left', 'search' => 'false'),
  2396. array('name'=>'course_title', 'index'=>'course_title', 'width'=>'50', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
  2397. );
  2398. break;
  2399. }
  2400. //Inject extra session fields
  2401. $session_field = new SessionField();
  2402. $session_field_option = new SessionFieldOption();
  2403. $fields = $session_field->get_all(array('field_visible = ? AND field_filter = ?' => array(1, 1)), 'option_display_text');
  2404. $rules = array();
  2405. if (!empty($fields)) {
  2406. foreach ($fields as $field) {
  2407. $search_options = array();
  2408. $type = 'text';
  2409. if (in_array($field['field_type'], array(ExtraField::FIELD_TYPE_SELECT, ExtraField::FIELD_TYPE_DOUBLE_SELECT))) {
  2410. $type = 'select';
  2411. $search_options['sopt'] = array('eq', 'ne'); //equal not equal
  2412. } else {
  2413. $search_options['sopt'] = array('cn', 'nc');//contains not contains
  2414. }
  2415. $search_options['searchhidden'] = 'true';
  2416. $search_options['defaultValue'] = isset($search_options['field_default_value']) ? $search_options['field_default_value'] : null;
  2417. if ($field['field_type'] == ExtraField::FIELD_TYPE_DOUBLE_SELECT) {
  2418. //Add 2 selects
  2419. $options = $session_field_option->get_field_options_by_field($field['id']);
  2420. $options = ExtraField::extra_field_double_select_convert_array_to_ordered_array($options);
  2421. $first_options = array();
  2422. if (!empty($options)) {
  2423. foreach ($options as $option) {
  2424. foreach ($option as $sub_option) {
  2425. if ($sub_option['option_value'] == 0) {
  2426. $first_options[] = $sub_option['field_id'].'#'.$sub_option['id'].':'.$sub_option['option_display_text'];
  2427. } else {
  2428. }
  2429. }
  2430. }
  2431. }
  2432. $search_options['value'] = implode(';', $first_options);
  2433. $search_options['dataInit'] = 'fill_second_select';
  2434. //First
  2435. $column_model[] = array(
  2436. 'name' => 'extra_'.$field['field_variable'],
  2437. 'index' => 'extra_'.$field['field_variable'],
  2438. 'width' => '100',
  2439. 'hidden' => 'true',
  2440. 'search' => 'true',
  2441. 'stype' => 'select',
  2442. 'searchoptions' => $search_options
  2443. );
  2444. $columns[] = $field['field_display_text'].' (1)';
  2445. $rules[] = array('field' => 'extra_'.$field['field_variable'], 'op' => 'cn');
  2446. //Second
  2447. $search_options['value'] = $field['id'].':';
  2448. $search_options['dataInit'] = 'register_second_select';
  2449. $column_model[] = array(
  2450. 'name' => 'extra_'.$field['field_variable'].'_second',
  2451. 'index' => 'extra_'.$field['field_variable'].'_second',
  2452. 'width' => '100',
  2453. 'hidden' => 'true',
  2454. 'search' => 'true',
  2455. 'stype' => 'select',
  2456. 'searchoptions' => $search_options
  2457. );
  2458. $columns[] = $field['field_display_text'].' (2)';
  2459. $rules[] = array('field' => 'extra_'.$field['field_variable'].'_second', 'op' => 'cn');
  2460. continue;
  2461. } else {
  2462. $search_options['value'] = $session_field_option->get_field_options_to_string($field['id'], false, 'option_display_text');
  2463. }
  2464. $column_model[] = array(
  2465. 'name' => 'extra_'.$field['field_variable'],
  2466. 'index' => 'extra_'.$field['field_variable'],
  2467. 'width' => '100',
  2468. 'hidden' => 'true',
  2469. 'search' => 'true',
  2470. 'stype' => $type,
  2471. 'searchoptions' => $search_options
  2472. );
  2473. $columns[] = $field['field_display_text'];
  2474. $rules[] = array('field' => 'extra_'.$field['field_variable'], 'op' => 'cn');
  2475. }
  2476. }
  2477. $column_model[] = array('name'=>'actions', 'index'=>'actions', 'width'=>'80', 'align'=>'left','formatter'=>'action_formatter','sortable'=>'false', 'search' => 'false');
  2478. $columns[] = get_lang('Actions');
  2479. foreach ($column_model as $col_model) {
  2480. $simple_column_name[] = $col_model['name'];
  2481. }
  2482. $return_array = array(
  2483. 'columns' => $columns,
  2484. 'column_model' => $column_model,
  2485. 'rules' => $rules,
  2486. 'simple_column_name' => $simple_column_name
  2487. );
  2488. return $return_array;
  2489. }
  2490. static function getSessionsByCategory($categoryId) {
  2491. $categoryId = intval($categoryId);
  2492. $tableSession = Database::get_main_table(TABLE_MAIN_SESSION);
  2493. $sql = "select * FROM $tableSession WHERE session_category_id = $categoryId";
  2494. $result = Database::query($sql);
  2495. return Database::store_result($result);
  2496. }
  2497. }