sessionmanager.lib.php 131 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. {
  17. //See BT#4871
  18. CONST SESSION_CHANGE_USER_REASON_SCHEDULE = 1;
  19. CONST SESSION_CHANGE_USER_REASON_CLASSROOM = 2;
  20. CONST SESSION_CHANGE_USER_REASON_LOCATION = 3;
  21. CONST SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION = 4;
  22. CONST DEFAULT_VISIBILITY = 4; //SESSION_AVAILABLE
  23. /**
  24. * Fetches a session from the database
  25. * @param int Session ID
  26. * @return array Session details
  27. * @assert (-1) === array()
  28. */
  29. public static function fetch($id) {
  30. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  31. if ($id != strval(intval($id))) { return array(); }
  32. $s = "SELECT * FROM $t WHERE id = $id";
  33. $r = Database::query($s);
  34. if (Database::num_rows($r) != 1) { return array(); }
  35. return Database::fetch_array($r,'ASSOC');
  36. }
  37. /**
  38. * Creates a session
  39. * @param array Fields to use in the creation of the session
  40. * @param boolean Whether to allow for same-name sessions or not.
  41. * @assert (array()) === false
  42. */
  43. public static function add($params, $allow_homonyms=false) {
  44. global $_configuration;
  45. //just in case
  46. if (isset($params['id'])) {
  47. unset($params['id']);
  48. }
  49. //Check portal limits
  50. $access_url_id = 1;
  51. if (api_is_multiple_url_enabled()) {
  52. $access_url_id = api_get_current_access_url_id();
  53. }
  54. if (is_array($_configuration[$access_url_id]) && isset($_configuration[$access_url_id]['hosting_limit_sessions']) && $_configuration[$access_url_id]['hosting_limit_sessions'] > 0) {
  55. $num = self::count_sessions();
  56. if ($num >= $_configuration[$access_url_id]['hosting_limit_sessions']) {
  57. return get_lang('PortalSessionsLimitReached');
  58. }
  59. }
  60. if (!$allow_homonyms) {
  61. $my_session_result = SessionManager::get_session_by_name($params['name']);
  62. $session_id = null;
  63. if ($my_session_result == false) {
  64. $session_model = new SessionModel();
  65. $session_id = $session_model->save($params);
  66. } else {
  67. error_log('Session already exists with name: '.$params['name']." session_id: ".$my_session_result['id']);
  68. }
  69. } else {
  70. //with the allow_homonyms option, two sessions can share names
  71. $session_model = new SessionModel();
  72. $session_id = $session_model->save($params);
  73. }
  74. if (!empty($session_id)) {
  75. /*
  76. Sends a message to the user_id = 1
  77. $user_info = api_get_user_info(1);
  78. $complete_name = $user_info['firstname'].' '.$user_info['lastname'];
  79. $subject = api_get_setting('siteName').' - '.get_lang('ANewSessionWasCreated');
  80. $message = get_lang('ANewSessionWasCreated')." <br /> ".get_lang('NameOfTheSession').' : '.$name;
  81. api_mail_html($complete_name, $user_info['email'], $subject, $message);
  82. *
  83. */
  84. //Saving extra fields
  85. $session_field_value = new SessionFieldValue();
  86. $params['session_id'] = $session_id;
  87. $session_field_value->save_field_values($params);
  88. //Adding to the correct URL
  89. $access_url_id = api_get_current_access_url_id();
  90. UrlManager::add_session_to_url($session_id, $access_url_id);
  91. // Add event to system log
  92. event_system(LOG_SESSION_CREATE, LOG_SESSION_ID, $session_id, api_get_utc_datetime(), api_get_user_id());
  93. if (isset($params['course_code'])) {
  94. $courseInfo = api_get_course_info($params['course_code']);
  95. self::add_courses_to_session($session_id, array($courseInfo['real_id']));
  96. //Update default course gradebook to the session if exists
  97. $create_gradebook_evaluation = isset($params['create_gradebook_evaluation']) ? $params['create_gradebook_evaluation'] : false;
  98. if ($create_gradebook_evaluation) {
  99. require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/gradebook_functions.inc.php';
  100. $category_id = create_default_course_gradebook($params['course_code'], false, $session_id);
  101. /*
  102. if ($category_id && isset($params['gradebook_params'])) {
  103. $eval = new Evaluation();
  104. $eval->set_name($params['gradebook_params']['name']);
  105. $eval->set_user_id($params['gradebook_params']['user_id']);
  106. $eval->set_course_code($params['course_code']);
  107. $eval->set_category_id($category_id);
  108. $eval->set_weight($params['gradebook_params']['weight']);
  109. $eval->set_max($params['gradebook_params']['max']);
  110. $eval->set_visible(0);
  111. $eval->add();
  112. }*/
  113. /*$tbl_gradebook_category = Database :: get_main_table(TABLE_MAIN_GRADEBOOK_EVALUATION);
  114. $sql = "SELECT id FROM $tbl_gradebook_category WHERE course_code = {$params['course_code']} AND session_id = 0 LIMIT 1";
  115. $result = Database::query($sql);
  116. if (Database::num_rows($result)) {
  117. $gradebook_data = Database::fetch_array($result, 'ASSOC');
  118. if (!empty($gradebook_data)) {
  119. $sql = "UPDATE SET session_id = $session_id WHERE id = {$gradebook_data['id']}";
  120. Database::query($sql);
  121. }
  122. }*/
  123. }
  124. }
  125. } else {
  126. if (isset($params['return_item_if_already_exists']) && $params['return_item_if_already_exists']) {
  127. $my_session_result = SessionManager::get_session_by_name($params['name']);
  128. $session_id = $my_session_result['id'];
  129. }
  130. }
  131. return $session_id;
  132. }
  133. /**
  134. * Updates a session with the given array of field values
  135. * @param array An array of fields values
  136. * @return void
  137. * @assert (null) === false
  138. */
  139. public static function update($params) {
  140. if (empty($params) || count($params)<1) {
  141. return false;
  142. }
  143. $session_model = new SessionModel();
  144. $session_model->update($params);
  145. if (!empty($params['id'])) {
  146. $session_field_value = new SessionFieldValue();
  147. $params['session_id'] = $params['id'];
  148. unset($params['id']);
  149. $session_field_value->save_field_values($params);
  150. }
  151. }
  152. /**
  153. * Checks whether a session already exists with the given name (used in
  154. * add() to avoid homonym sessions)
  155. * @param string A session name
  156. * @assert ('') === false
  157. */
  158. function session_name_exists($session_name) {
  159. $session_name = Database::escape_string($session_name);
  160. $result = Database::fetch_array(Database::query("SELECT COUNT(*) as count FROM ".Database::get_main_table(TABLE_MAIN_SESSION)." WHERE name = '$session_name' "));
  161. return $result['count'] > 0;
  162. }
  163. /**
  164. * Gets the admin session list callback of the session/session_list.php page
  165. * @param array order and limit keys
  166. * @param boolean Whether to get all the results or only the count
  167. * @return mixed Integer for number of rows, or array of results
  168. * @assert (array(),true) !== false
  169. */
  170. public static function get_sessions_admin($options = array(), $get_count = false)
  171. {
  172. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  173. $where = 'WHERE 1 = 1 ';
  174. $user_id = api_get_user_id();
  175. if (!api_is_platform_admin()) {
  176. if (api_is_session_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false') {
  177. $where .=" AND s.session_admin_id = $user_id ";
  178. }
  179. }
  180. if (!api_is_platform_admin() && api_is_teacher() && api_get_setting('allow_teachers_to_create_sessions') == 'true') {
  181. $where .=" AND s.id_coach = $user_id ";
  182. }
  183. $extra_field = new ExtraField('session');
  184. $conditions = $extra_field->parseConditions($options);
  185. $inject_joins = $conditions['inject_joins'];
  186. $where .= $conditions['where'];
  187. $inject_where = $conditions['inject_where'];
  188. $inject_extra_fields = $conditions['inject_extra_fields'];
  189. $order = $conditions['order'];
  190. $limit = $conditions['limit'];
  191. if ($get_count == true) {
  192. $select = " SELECT count(*) as total_rows";
  193. } else {
  194. $select =
  195. "SELECT DISTINCT ".
  196. " s.name, ".
  197. " s.display_start_date, ".
  198. " s.display_end_date, ".
  199. " access_start_date, ".
  200. " access_end_date, ".
  201. " s.visibility, ".
  202. " $inject_extra_fields ".
  203. " s.id ";
  204. }
  205. $query = "$select FROM $tbl_session s $inject_joins $where $inject_where";
  206. if (api_is_multiple_url_enabled()) {
  207. $table_access_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  208. $access_url_id = api_get_current_access_url_id();
  209. if ($access_url_id != -1) {
  210. $where.= " AND ar.access_url_id = $access_url_id ";
  211. $query = "$select FROM $tbl_session s $inject_joins INNER JOIN $table_access_url_rel_session ar ON (ar.session_id = s.id) $where";
  212. }
  213. }
  214. $query .= $order;
  215. $query .= $limit;
  216. $result = Database::query($query);
  217. $formatted_sessions = array();
  218. if (Database::num_rows($result)) {
  219. $sessions = Database::store_result($result, 'ASSOC');
  220. if ($get_count) {
  221. return $sessions[0]['total_rows'];
  222. }
  223. foreach ($sessions as $session) {
  224. $session_id = $session['id'];
  225. $session['name'] = Display::url($session['name'], "resume_session.php?id_session=".$session['id']);
  226. if (isset($session['session_active']) && $session['session_active'] == 1) {
  227. $session['session_active'] = Display::return_icon('accept.png', get_lang('Active'), array(), ICON_SIZE_SMALL);
  228. } else {
  229. $session['session_active'] = Display::return_icon('error.png', get_lang('Inactive'), array(), ICON_SIZE_SMALL);
  230. }
  231. $session = self::convert_dates_to_local($session);
  232. switch ($session['visibility']) {
  233. case SESSION_VISIBLE_READ_ONLY: //1
  234. $session['visibility'] = get_lang('ReadOnly');
  235. break;
  236. case SESSION_VISIBLE: //2
  237. case SESSION_AVAILABLE: //4
  238. $session['visibility'] = get_lang('Visible');
  239. break;
  240. case SESSION_INVISIBLE: //3
  241. $session['visibility'] = api_ucfirst(get_lang('Invisible'));
  242. break;
  243. }
  244. // Cleaning double selects.
  245. foreach ($session as $key => &$value) {
  246. if (isset($options_by_double[$key]) || isset($options_by_double[$key.'_second'])) {
  247. $options = explode('::', $value);
  248. }
  249. $original_key = $key;
  250. if (strpos($key, '_second') === false) {
  251. } else {
  252. $key = str_replace('_second', '', $key);
  253. }
  254. if (isset($options_by_double[$key])) {
  255. if (isset($options[0])) {
  256. if (isset($options_by_double[$key][$options[0]])) {
  257. if (strpos($original_key, '_second') === false) {
  258. $value = $options_by_double[$key][$options[0]]['option_display_text'];
  259. } else {
  260. $value = $options_by_double[$key][$options[1]]['option_display_text'];
  261. }
  262. }
  263. }
  264. }
  265. }
  266. $formatted_sessions[$session_id] = $session;
  267. }
  268. }
  269. return $formatted_sessions;
  270. }
  271. /**
  272. * Gets the admin session list callback of the session/session_list.php
  273. * page with all user/details in the right fomat
  274. * @param array
  275. * @result array Array of rows results
  276. * @asset ('a') === false
  277. */
  278. public static function get_sessions_admin_complete($options = array())
  279. {
  280. if (!is_array($options)) {
  281. return false;
  282. }
  283. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  284. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  285. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  286. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  287. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  288. $tbl_session_field_values = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  289. $tbl_session_field_options = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_OPTIONS);
  290. $where = 'WHERE 1 = 1 ';
  291. $user_id = api_get_user_id();
  292. if (!api_is_platform_admin()) {
  293. if (api_is_session_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false') {
  294. $where.=" AND s.session_admin_id = $user_id ";
  295. }
  296. }
  297. $coach_name = " CONCAT(u.lastname , ' ', u.firstname) as coach_name ";
  298. if (api_is_western_name_order()) {
  299. $coach_name = " CONCAT(u.firstname, ' ', u.lastname) as coach_name ";
  300. }
  301. $today = api_get_utc_datetime();
  302. $inject_extra_fields = null;
  303. $extra_fields = array();
  304. $extra_fields_info = array();
  305. //for now only sessions
  306. $extra_field = new ExtraField('session');
  307. $double_fields = array();
  308. $extra_field_option = new ExtraFieldOption('session');
  309. if (isset($options['extra'])) {
  310. $extra_fields = $options['extra'];
  311. if (!empty($extra_fields)) {
  312. foreach ($extra_fields as $extra) {
  313. $inject_extra_fields .= " IF (fv.field_id = {$extra['id']}, fvo.option_display_text, NULL ) as {$extra['field']} , ";
  314. if (isset($extra_fields_info[$extra['id']])) {
  315. $info = $extra_fields_info[$extra['id']];
  316. } else {
  317. $info = $extra_field->get($extra['id']);
  318. $extra_fields_info[$extra['id']] = $info;
  319. }
  320. if ($info['field_type'] == ExtraField::FIELD_TYPE_DOUBLE_SELECT) {
  321. $double_fields[$info['id']] = $info;
  322. }
  323. }
  324. }
  325. }
  326. $options_by_double = array();
  327. foreach ($double_fields as $double) {
  328. $my_options = $extra_field_option->get_field_options_by_field($double['id'], true);
  329. $options_by_double['extra_'.$double['field_variable']] = $my_options;
  330. }
  331. //sc.name as category_name,
  332. $select = "
  333. SELECT * FROM (
  334. SELECT DISTINCT
  335. IF (
  336. (s.access_start_date <= '$today' AND '$today' < s.access_end_date) OR
  337. (s.access_start_date = '0000-00-00 00:00:00' AND s.access_end_date = '0000-00-00 00:00:00' ) OR
  338. (s.access_start_date IS NULL AND s.access_end_date IS NULL) OR
  339. (s.access_start_date <= '$today' AND ('0000-00-00 00:00:00' = s.access_end_date OR s.access_end_date IS NULL )) OR
  340. ('$today' < s.access_end_date AND ('0000-00-00 00:00:00' = s.access_start_date OR s.access_start_date IS NULL) )
  341. , 1, 0) as session_active,
  342. s.name,
  343. s.nbr_courses,
  344. s.nbr_users,
  345. s.display_start_date,
  346. s.display_end_date,
  347. $coach_name,
  348. access_start_date,
  349. access_end_date,
  350. s.visibility,
  351. u.user_id,
  352. $inject_extra_fields
  353. c.title as course_title,
  354. s.id ";
  355. if (!empty($options['where'])) {
  356. if (!empty($options['extra'])) {
  357. $options['where'] = str_replace(' 1 = 1 AND', '', $options['where']);
  358. $options['where'] = str_replace('AND', 'OR', $options['where']);
  359. foreach ($options['extra'] as $extra) {
  360. $options['where'] = str_replace($extra['field'], 'fv.field_id = '.$extra['id'].' AND fvo.option_value', $options['where']);
  361. }
  362. }
  363. $options['where'] = str_replace('course_title', 'c.title', $options['where']);
  364. $where .= ' AND '.$options['where'];
  365. }
  366. if (!empty($options['limit'])) {
  367. $where .= " LIMIT ".$options['limit'];
  368. }
  369. $query = "$select FROM $tbl_session s
  370. LEFT JOIN $tbl_session_field_values fv ON (fv.session_id = s.id)
  371. LEFT JOIN $tbl_session_field_options fvo ON (fv.field_id = fvo.field_id)
  372. LEFT JOIN $tbl_session_rel_course src ON (src.id_session = s.id)
  373. LEFT JOIN $tbl_course c ON (src.c_id = c.id)
  374. LEFT JOIN $tbl_session_category sc ON (s.session_category_id = sc.id)
  375. INNER JOIN $tbl_user u ON (s.id_coach = u.user_id) ".
  376. $where;
  377. if (api_is_multiple_url_enabled()) {
  378. $table_access_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  379. $access_url_id = api_get_current_access_url_id();
  380. if ($access_url_id != -1) {
  381. $where.= " AND ar.access_url_id = $access_url_id ";
  382. $query = "$select
  383. FROM $tbl_session s
  384. LEFT JOIN $tbl_session_field_values fv ON (fv.session_id = s.id)
  385. LEFT JOIN $tbl_session_field_options fvo ON (fv.field_id = fvo.field_id)
  386. LEFT JOIN $tbl_session_rel_course src ON (src.id_session = s.id)
  387. LEFT JOIN $tbl_course c ON (src.c_id = c.id)
  388. LEFT JOIN $tbl_session_category sc ON (s.session_category_id = sc.id)
  389. INNER JOIN $tbl_user u ON (s.id_coach = u.user_id)
  390. INNER JOIN $table_access_url_rel_session ar ON (ar.session_id = s.id)
  391. $where";
  392. }
  393. }
  394. $query .= ") AS session_table";
  395. if (!empty($options['order'])) {
  396. $query .= " ORDER BY ".$options['order'];
  397. }
  398. //error_log($query);
  399. //echo $query;
  400. $result = Database::query($query);
  401. $formatted_sessions = array();
  402. if (Database::num_rows($result)) {
  403. $sessions = Database::store_result($result, 'ASSOC');
  404. foreach ($sessions as $session) {
  405. $session_id = $session['id'];
  406. $session['name'] = Display::url($session['name'], "resume_session.php?id_session=".$session['id']);
  407. $session['coach_name'] = Display::url($session['coach_name'], "user_information.php?user_id=".$session['user_id']);
  408. if ($session['session_active'] == 1) {
  409. $session['session_active'] = Display::return_icon('accept.png', get_lang('Active'), array(), ICON_SIZE_SMALL);
  410. } else {
  411. $session['session_active'] = Display::return_icon('error.png', get_lang('Inactive'), array(), ICON_SIZE_SMALL);
  412. }
  413. $session = self::convert_dates_to_local($session);
  414. switch ($session['visibility']) {
  415. case SESSION_VISIBLE_READ_ONLY: //1
  416. $session['visibility'] = get_lang('ReadOnly');
  417. break;
  418. case SESSION_VISIBLE: //2
  419. case SESSION_AVAILABLE: //4
  420. $session['visibility'] = get_lang('Visible');
  421. break;
  422. case SESSION_INVISIBLE: //3
  423. $session['visibility'] = api_ucfirst(get_lang('Invisible'));
  424. break;
  425. }
  426. //Cleaning double selects
  427. foreach ($session as $key => &$value) {
  428. if (isset($options_by_double[$key]) || isset($options_by_double[$key.'_second'])) {
  429. $options = explode('::', $value);
  430. }
  431. $original_key = $key;
  432. if (strpos($key, '_second') === false) {
  433. } else {
  434. $key = str_replace('_second', '', $key);
  435. }
  436. if (isset($options_by_double[$key])) {
  437. if (isset($options[0])) {
  438. if (isset($options_by_double[$key][$options[0]])) {
  439. if (strpos($original_key, '_second') === false) {
  440. $value = $options_by_double[$key][$options[0]]['option_display_text'];
  441. } else {
  442. $value = $options_by_double[$key][$options[1]]['option_display_text'];
  443. }
  444. }
  445. }
  446. }
  447. }
  448. //Magic filter
  449. if (isset($formatted_sessions[$session_id])) {
  450. $formatted_sessions[$session_id] = self::compare_arrays_to_merge($formatted_sessions[$session_id], $session);
  451. } else {
  452. $formatted_sessions[$session_id] = $session;
  453. }
  454. }
  455. }
  456. return $formatted_sessions;
  457. }
  458. /**
  459. * Gets the number of rows in the session table filtered through the given
  460. * array of parameters
  461. * @param array Array of options/filters/keys
  462. * @return integer The number of rows, or false on wrong param
  463. * @assert ('a') === false
  464. */
  465. static function get_count_admin_complete($options = array())
  466. {
  467. if (!is_array($options)) {
  468. return false;
  469. }
  470. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  471. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  472. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  473. $where = 'WHERE 1 = 1 ';
  474. $user_id = api_get_user_id();
  475. if (api_is_session_admin() && api_get_setting('allow_session_admins_to_see_all_sessions') == 'false') {
  476. $where.=" WHERE s.session_admin_id = $user_id ";
  477. }
  478. if (!empty($options['where'])) {
  479. if (!empty($options['extra'])) {
  480. $options['where'] = str_replace(' 1 = 1 AND', '', $options['where']);
  481. $options['where'] = str_replace('AND', 'OR', $options['where']);
  482. foreach ($options['extra'] as $extra) {
  483. $options['where'] = str_replace($extra['field'], 'fv.field_id = '.$extra['id'].' AND fvo.option_value', $options['where']);
  484. }
  485. }
  486. $where .= ' AND '.$options['where'];
  487. }
  488. $query_rows = "SELECT count(*) as total_rows
  489. FROM $tbl_session s
  490. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  491. INNER JOIN $tbl_user u ON s.id_coach = u.user_id $where ";
  492. if (api_is_multiple_url_enabled()) {
  493. $table_access_url_rel_session= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  494. $access_url_id = api_get_current_access_url_id();
  495. if ($access_url_id != -1) {
  496. $where.= " AND ar.access_url_id = $access_url_id ";
  497. $query_rows = "SELECT count(*) as total_rows
  498. FROM $tbl_session s
  499. LEFT JOIN $tbl_session_category sc ON s.session_category_id = sc.id
  500. INNER JOIN $tbl_user u ON s.id_coach = u.user_id
  501. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id $where ";
  502. }
  503. }
  504. $result = Database::query($query_rows);
  505. $num = 0;
  506. if (Database::num_rows($result)) {
  507. $rows = Database::fetch_array($result);
  508. $num = $rows['total_rows'];
  509. }
  510. return $num;
  511. }
  512. /**
  513. *
  514. */
  515. static function compare_arrays_to_merge($array1, $array2)
  516. {
  517. if (empty($array2)) {
  518. return $array1;
  519. }
  520. foreach ($array1 as $key => $item) {
  521. if (!isset($array1[$key])) {
  522. //My string is empty try the other one
  523. if (isset($array2[$key]) && !empty($array2[$key])) {
  524. $array1[$key] = $array2[$key];
  525. }
  526. }
  527. }
  528. return $array1;
  529. }
  530. /**
  531. * Converts all dates sent through the param array (given form) to correct
  532. * dates with timezones
  533. * @param array The dates
  534. * @return array The same array, with times converted
  535. * @assert ('a') === false
  536. */
  537. static function convert_dates_to_local($params) {
  538. if (!is_array($params)) {
  539. return false;
  540. }
  541. $params['display_start_date'] = api_get_local_time($params['display_start_date'], null, null, true);
  542. $params['display_end_date'] = api_get_local_time($params['display_end_date'], null, null, true);
  543. $params['access_start_date'] = api_get_local_time($params['access_start_date'], null, null, true);
  544. $params['access_end_date'] = api_get_local_time($params['access_end_date'], null, null, true);
  545. $params['coach_access_start_date'] = isset($params['coach_access_start_date']) ? api_get_local_time($params['coach_access_start_date'], null, null, true) : null;
  546. $params['coach_access_end_date'] = isset($params['coach_access_end_date']) ? api_get_local_time($params['coach_access_end_date'], null, null, true) : null;
  547. return $params;
  548. }
  549. /**
  550. * Creates a new course code based in given code
  551. *
  552. * @param string wanted code
  553. * <code>
  554. * $wanted_code = 'sess' if there are names like sess, sess1, sess2 in the
  555. * database already, the function will return: sess3
  556. * if the session name doesn't exist in the DB the same name is returned
  557. * </code>
  558. * @return string wanted unused code
  559. */
  560. function generate_nice_next_session_name($session_name) {
  561. $session_name_ok = !self::session_name_exists($session_name);
  562. if (!$session_name_ok) {
  563. $table = Database::get_main_table(TABLE_MAIN_SESSION);
  564. $session_name = Database::escape_string($session_name);
  565. $sql = "SELECT count(*) as count FROM $table WHERE name LIKE '$session_name%'";
  566. $result = Database::query($sql);
  567. if (Database::num_rows($result) > 0 ) {
  568. $row = Database::fetch_array($result);
  569. $count = $row['count'] + 1;
  570. $session_name = $session_name.'_'.$count;
  571. $result = self::session_name_exists($session_name);
  572. if (!$result) {
  573. return $session_name;
  574. }
  575. }
  576. return false;
  577. }
  578. return $session_name;
  579. }
  580. /**
  581. * Delete session
  582. * @author Carlos Vargas from existing code
  583. * @param array id_checked
  584. * @param boolean optional, true if the function is called by a webservice, false otherwise.
  585. * @return void Nothing, or false on error
  586. * The parameters is a array to delete sessions
  587. **/
  588. public static function delete_session ($id_checked, $from_ws = false) {
  589. $tbl_session= Database::get_main_table(TABLE_MAIN_SESSION);
  590. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  591. $tbl_session_rel_course_rel_user= Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  592. $tbl_session_rel_user= Database::get_main_table(TABLE_MAIN_SESSION_USER);
  593. $tbl_url_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  594. global $_user;
  595. if(is_array($id_checked)) {
  596. $id_checked = Database::escape_string(implode(',',$id_checked));
  597. } else {
  598. $id_checked = intval($id_checked);
  599. }
  600. if (!api_is_platform_admin() && !$from_ws) {
  601. $sql = 'SELECT session_admin_id FROM '.Database :: get_main_table(TABLE_MAIN_SESSION).' WHERE id='.$id_checked;
  602. $rs = Database::query($sql);
  603. if (Database::result($rs,0,0)!=$_user['user_id']) {
  604. api_not_allowed(true);
  605. }
  606. }
  607. Database::query("DELETE FROM $tbl_session WHERE id IN($id_checked)");
  608. Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session IN($id_checked)");
  609. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session IN($id_checked)");
  610. Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session IN($id_checked)");
  611. Database::query("DELETE FROM $tbl_url_session WHERE session_id IN($id_checked)");
  612. // delete extra session fields
  613. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  614. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  615. // Delete extra fields from session where field variable is "SECCION"
  616. $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' ";
  617. $rs_field = Database::query($sql);
  618. $field_id = 0;
  619. if (Database::num_rows($rs_field) == 1) {
  620. $row_field = Database::fetch_row($rs_field);
  621. $field_id = $row_field[0];
  622. $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked' AND field_id = '$field_id'";
  623. $rs_delete_sfv = Database::query($sql_delete_sfv);
  624. }
  625. $sql = "SELECT * FROM $t_sfv WHERE field_id = '$field_id' ";
  626. $rs_field_id = Database::query($sql);
  627. if (Database::num_rows($rs_field_id) == 0) {
  628. $sql_delete_sf = "DELETE FROM $t_sf WHERE id = '$field_id'";
  629. $rs_delete_sf = Database::query($sql_delete_sf);
  630. }
  631. /*
  632. $sql = "SELECT distinct field_id FROM $t_sfv WHERE session_id = '$id_checked'";
  633. $res_field_ids = @Database::query($sql);
  634. if (Database::num_rows($res_field_ids) > 0) {
  635. while($row_field_id = Database::fetch_row($res_field_ids)){
  636. $field_ids[] = $row_field_id[0];
  637. }
  638. }
  639. //delete from table_session_field_value from a given session id
  640. $sql_session_field_value = "DELETE FROM $t_sfv WHERE session_id = '$id_checked'";
  641. @Database::query($sql_session_field_value);
  642. $sql = "SELECT distinct field_id FROM $t_sfv";
  643. $res_field_all_ids = @Database::query($sql);
  644. if (Database::num_rows($res_field_all_ids) > 0) {
  645. while($row_field_all_id = Database::fetch_row($res_field_all_ids)){
  646. $field_all_ids[] = $row_field_all_id[0];
  647. }
  648. }
  649. if (count($field_ids) > 0 && count($field_all_ids) > 0) {
  650. foreach($field_ids as $field_id) {
  651. // check if field id is used into table field value
  652. if (in_array($field_id,$field_all_ids)) {
  653. continue;
  654. } else {
  655. $sql_session_field = "DELETE FROM $t_sf WHERE id = '$field_id'";
  656. Database::query($sql_session_field);
  657. }
  658. }
  659. }
  660. */
  661. // Add event to system log
  662. $user_id = api_get_user_id();
  663. event_system(LOG_SESSION_DELETE, LOG_SESSION_ID, $id_checked, api_get_utc_datetime(), $user_id);
  664. }
  665. /**
  666. * Subscribes users (students) to the given session and optionally (default) unsubscribes previous users
  667. * @author Carlos Vargas from existing code
  668. * @param integer Session ID
  669. * @param array List of user IDs
  670. * @param bool Whether to unsubscribe existing users (true, default) or not (false)
  671. * @return void Nothing, or false on error
  672. **/
  673. public static function suscribe_users_to_session($id_session, $user_list, $session_visibility = SESSION_VISIBLE_READ_ONLY, $empty_users = true, $send_email = false) {
  674. if ($id_session!= strval(intval($id_session))) return false;
  675. foreach ($user_list as $intUser){
  676. if ($intUser!= strval(intval($intUser))) return false;
  677. }
  678. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  679. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  680. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  681. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  682. $session_info = api_get_session_info($id_session);
  683. if ($session_info) {
  684. $session_name = $session_info['name'];
  685. } else {
  686. return false;
  687. }
  688. //from function parameter
  689. if (empty($session_visibility)) {
  690. $session_visibility = $session_info['visibility']; //loaded from DB
  691. //default status loaded if empty
  692. if (empty($session_visibility))
  693. $session_visibility = SESSION_VISIBLE_READ_ONLY; // by default readonly 1
  694. } else {
  695. if (!in_array($session_visibility, array(SESSION_VISIBLE_READ_ONLY, SESSION_VISIBLE, SESSION_INVISIBLE))) {
  696. $session_visibility = SESSION_VISIBLE_READ_ONLY;
  697. }
  698. }
  699. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user WHERE id_session = '$id_session' AND status = 0";
  700. $result = Database::query($sql);
  701. $existingUsers = array();
  702. while ($row = Database::fetch_array($result)) {
  703. $existingUsers[] = $row['id_user'];
  704. }
  705. $sql = "SELECT c_id FROM $tbl_session_rel_course WHERE id_session = '$id_session'";
  706. $result = Database::query($sql);
  707. $course_list = array();
  708. while ($row = Database::fetch_array($result)) {
  709. $course_list[] = $row['c_id'];
  710. }
  711. if ($send_email) {
  712. //sending emails only
  713. if (is_array($user_list) && count($user_list)>0) {
  714. foreach ($user_list as $user_id) {
  715. if (!in_array($user_id, $existingUsers)) {
  716. $subject = '['.get_setting('siteName').'] '.get_lang('YourReg').' '.get_setting('siteName');
  717. $user_info = api_get_user_info($user_id);
  718. $content = get_lang('Dear')." ".stripslashes($user_info['complete_name']).",\n\n".sprintf(get_lang('YouAreRegisterToSessionX'), $session_name) ." \n\n" .get_lang('Address') ." ". api_get_setting('siteName') ." ". get_lang('Is') ." : ". api_get_path(WEB_PATH) ."\n\n". get_lang('Problem'). "\n\n". get_lang('Formula').",\n\n".get_setting('administratorName')." ".get_setting('administratorSurname')."\n". get_lang('Manager'). " ".get_setting('siteName')."\nT. ".get_setting('administratorTelephone')."\n" .get_lang('Email') ." : ".get_setting('emailAdministrator');
  719. MessageManager::send_message($user_id, $subject, $content, array(), array(), null, null, null, null, null);
  720. }
  721. }
  722. }
  723. }
  724. foreach ($course_list as $courseId) {
  725. // for each course in the session
  726. $nbr_users = 0;
  727. $courseId = Database::escape_string($courseId);
  728. // delete existing users
  729. if ($empty_users) {
  730. foreach ($existingUsers as $existing_user) {
  731. if (!in_array($existing_user, $user_list)) {
  732. $sql = "DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND c_id ='$courseId' AND id_user='$existing_user' AND status = 0";
  733. $result = Database::query($sql);
  734. if (Database::affected_rows($result)) {
  735. $nbr_users--;
  736. }
  737. }
  738. }
  739. }
  740. //Replace with this new function
  741. //
  742. // insert new users into session_rel_course_rel_user and ignore if they already exist
  743. foreach ($user_list as $enreg_user) {
  744. if(!in_array($enreg_user, $existingUsers)) {
  745. $enreg_user = Database::escape_string($enreg_user);
  746. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session, c_id, id_user, visibility, status) VALUES('$id_session','$courseId','$enreg_user','$session_visibility', '0')";
  747. $result = Database::query($insert_sql);
  748. if (Database::affected_rows($result)) {
  749. $nbr_users++;
  750. }
  751. }
  752. }
  753. // count users in this session-course relation
  754. $sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND c_id ='$courseId' AND status<>2";
  755. $rs = Database::query($sql);
  756. list($nbr_users) = Database::fetch_array($rs);
  757. // update the session-course relation to add the users total
  758. $update_sql = "UPDATE $tbl_session_rel_course SET nbr_users = $nbr_users WHERE id_session='$id_session' AND c_id ='$courseId'";
  759. Database::query($update_sql);
  760. }
  761. // Delete users from the session
  762. if ($empty_users === true) {
  763. Database::query("DELETE FROM $tbl_session_rel_user WHERE id_session = $id_session AND relation_type<>".SESSION_RELATION_TYPE_RRHH."");
  764. }
  765. // Insert missing users into session
  766. $nbr_users = 0;
  767. foreach ($user_list as $enreg_user) {
  768. $enreg_user = Database::escape_string($enreg_user);
  769. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_user (id_session, id_user) VALUES ('$id_session', '$enreg_user')";
  770. Database::query($insert_sql);
  771. //Reset moved_to just in case
  772. $update_sql = "UPDATE $tbl_session_rel_user SET moved_to = 0, moved_status = 0, moved_at ='0000-00-00 00:00:00'
  773. WHERE id_session = $id_session AND id_user = $enreg_user";
  774. Database::query($update_sql);
  775. $nbr_users++;
  776. }
  777. // update number of users in the session
  778. $nbr_users = count($user_list);
  779. if ($empty_users) {
  780. // update number of users in the session
  781. $update_sql = "UPDATE $tbl_session SET nbr_users = $nbr_users WHERE id='$id_session' ";
  782. Database::query($update_sql);
  783. } else {
  784. $update_sql = "UPDATE $tbl_session SET nbr_users = nbr_users + $nbr_users WHERE id='$id_session' ";
  785. Database::query($update_sql);
  786. }
  787. }
  788. /**
  789. * @param $user_list
  790. * @param $session_id
  791. * @param $courseId
  792. * @param int $session_visibility
  793. * @return bool
  794. */
  795. static function subscribe_users_to_session_course($user_list, $session_id, $courseId, $session_visibility = SESSION_VISIBLE_READ_ONLY ) {
  796. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  797. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  798. if (empty($user_list) || empty($session_id) || empty($course_code)) {
  799. return false;
  800. }
  801. $session_id = intval($session_id);
  802. $courseId = Database::escape_string($courseId);
  803. $session_visibility = intval($session_visibility);
  804. $nbr_users = 0;
  805. foreach ($user_list as $enreg_user) {
  806. //if (!in_array($enreg_user, $existingUsers)) {
  807. $enreg_user = intval($enreg_user);
  808. $insert_sql = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user(id_session, c_id, id_user, visibility)
  809. VALUES ('$session_id','$courseId','$enreg_user','$session_visibility')";
  810. $result = Database::query($insert_sql);
  811. if (Database::affected_rows($result)) {
  812. $nbr_users++;
  813. }
  814. //}
  815. }
  816. // count users in this session-course relation
  817. $sql = "SELECT COUNT(id_user) as nbUsers FROM $tbl_session_rel_course_rel_user WHERE id_session='$session_id' AND c_id = '$courseId' AND status<>2";
  818. $rs = Database::query($sql);
  819. list($nbr_users) = Database::fetch_array($rs);
  820. // update the session-course relation to add the users total
  821. $update_sql = "UPDATE $tbl_session_rel_course SET nbr_users = $nbr_users WHERE id_session='$session_id' AND c_id = '$courseId'";
  822. Database::query($update_sql);
  823. }
  824. /**
  825. * Unsubscribe user from session
  826. *
  827. * @param int session id
  828. * @param int user id
  829. * @param int reason of unsubscription see function get_session_change_user_reasons()
  830. * @return bool true in case of success, false in case of error
  831. */
  832. public static function unsubscribe_user_from_session($session_id, $user_id) {
  833. $session_id = intval($session_id);
  834. $user_id = intval($user_id);
  835. $reason_id = intval($reason_id);
  836. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  837. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  838. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  839. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  840. $user_status = SessionManager::get_user_status_in_session($session_id, $user_id);
  841. if ($user_status['moved_to'] != 0) {
  842. //You can't subscribe a user that was moved
  843. return false;
  844. }
  845. $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."";
  846. $result = Database::query($delete_sql);
  847. $return = Database::affected_rows($result);
  848. // Update number of users
  849. $update_sql = "UPDATE $tbl_session SET nbr_users = nbr_users - $return WHERE id='$session_id' ";
  850. Database::query($update_sql);
  851. // Get the list of courses related to this session
  852. $course_list = SessionManager::get_course_list_by_session_id($session_id);
  853. if (!empty($course_list)) {
  854. foreach($course_list as $course) {
  855. $courseId = $course['id'];
  856. // Delete user from course
  857. $result = Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$session_id' AND c_id='$courseId' AND id_user='$user_id'");
  858. if (Database::affected_rows($result)) {
  859. // Update number of users in this relation
  860. Database::query("UPDATE $tbl_session_rel_course SET nbr_users=nbr_users - 1 WHERE id_session='$session_id' AND c_id ='$courseId'");
  861. }
  862. }
  863. }
  864. return true;
  865. }
  866. /**
  867. *
  868. * @param int $session_id
  869. * @param array user id list
  870. * @param int $courseId
  871. */
  872. static function unsubscribe_user_from_course_session($session_id, $user_list, $courseId) {
  873. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  874. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  875. if (is_array($user_list) && count($user_list)>0 ) {
  876. array_map('intval', $user_list);
  877. $user_list = implode(',', $user_list);
  878. }
  879. $session_id = intval($session_id);
  880. $courseId = Database::escape_string($courseId);
  881. if (!empty($user_list)) {
  882. $result = Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$session_id' AND c_id='".$courseId."' AND id_user IN($user_list)");
  883. $nbr_affected_rows = Database::affected_rows($result);
  884. Database::query("UPDATE $tbl_session_rel_course SET nbr_users=nbr_users-$nbr_affected_rows WHERE id_session='$session_id' AND c_id='".$courseId."'");
  885. }
  886. }
  887. /** Subscribes courses to the given session and optionally (default) unsubscribes previous users
  888. * @author Carlos Vargas from existing code
  889. * @param int Session ID
  890. * @param array List of courses IDs
  891. * @param bool Whether to unsubscribe existing users (true, default) or not (false)
  892. * @return void Nothing, or false on error
  893. **/
  894. public static function add_courses_to_session($id_session, $course_list, $empty_courses = true) {
  895. // security checks
  896. if ($id_session!= strval(intval($id_session))) { return false; }
  897. // initialisation
  898. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  899. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  900. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  901. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  902. // get general coach ID
  903. $id_coach = Database::query("SELECT id_coach FROM $tbl_session WHERE id=$id_session");
  904. $id_coach = Database::fetch_array($id_coach);
  905. $id_coach = $id_coach[0];
  906. // get list of courses subscribed to this session
  907. $rs = Database::query("SELECT c_id FROM $tbl_session_rel_course WHERE id_session=$id_session");
  908. $existingCourses = Database::store_result($rs, 'ASSOC');
  909. $nbr_courses=count($existingCourses);
  910. // get list of users subscribed to this session
  911. $sql="SELECT id_user
  912. FROM $tbl_session_rel_user
  913. WHERE id_session = $id_session AND relation_type<>".SESSION_RELATION_TYPE_RRHH."";
  914. $result=Database::query($sql);
  915. $user_list=Database::store_result($result, 'ASSOC');
  916. // Remove existing courses from the session
  917. if ($empty_courses === true) {
  918. foreach ($existingCourses as $existingCourse) {
  919. if (!in_array($existingCourse['c_id'], $course_list)){
  920. Database::query("DELETE FROM $tbl_session_rel_course WHERE c_id='".$existingCourse['c_id']."' AND id_session=$id_session");
  921. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE c_id='".$existingCourse['c_id']."' AND id_session=$id_session");
  922. }
  923. }
  924. $nbr_courses=0;
  925. }
  926. // Pass through the courses list we want to add to the session
  927. foreach ($course_list as $courseId) {
  928. $courseId = Database::escape_string($courseId);
  929. $exists = false;
  930. // check if the course we want to add is already subscribed
  931. foreach ($existingCourses as $existingCourse) {
  932. if ($courseId == $existingCourse['c_id']) {
  933. $exists=true;
  934. }
  935. }
  936. if ($exists == false) {
  937. CourseManager::update_course_ranking($courseId, $id_session);
  938. //if the course isn't subscribed yet
  939. $sql_insert_rel_course= "INSERT INTO $tbl_session_rel_course (id_session, c_id) VALUES ('$id_session','$courseId')";
  940. Database::query($sql_insert_rel_course);
  941. //We add the current course in the existing courses array, to avoid adding another time the current course
  942. $existingCourses[]=array('c_id' => $courseId);
  943. $nbr_courses++;
  944. // subscribe all the users from the session to this course inside the session
  945. $nbr_users=0;
  946. foreach ($user_list as $enreg_user) {
  947. $enreg_user_id = Database::escape_string($enreg_user['id_user']);
  948. $sql_insert = "INSERT IGNORE INTO $tbl_session_rel_course_rel_user (id_session, c_id, id_user) VALUES ('$id_session','$courseId','$enreg_user_id')";
  949. $result = Database::query($sql_insert);
  950. if (Database::affected_rows($result)) {
  951. $nbr_users++;
  952. }
  953. }
  954. SessionManager::subscribe_users_to_session_course($user_list, $id_session, $courseId);
  955. Database::query("UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND c_id = '$courseId'");
  956. }
  957. }
  958. Database::query("UPDATE $tbl_session SET nbr_courses=$nbr_courses WHERE id='$id_session'");
  959. }
  960. /**
  961. * Unsubscribe course from a session
  962. *
  963. * @param int Session id
  964. * @param int Course id
  965. * @return bool True in case of success, false otherwise
  966. */
  967. public static function unsubscribe_course_from_session($session_id, $course_id) {
  968. $session_id = (int)$session_id;
  969. $course_id = (int)$course_id;
  970. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  971. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  972. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  973. // Unsubscribe course
  974. $result = Database::query("DELETE FROM $tbl_session_rel_course WHERE c_id ='$course_id' AND id_session='$session_id'");
  975. $nb_affected = Database::affected_rows($result);
  976. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE c_id ='$course_id' AND id_session='$session_id'");
  977. if ($nb_affected > 0) {
  978. // Update number of courses in the session
  979. Database::query("UPDATE $tbl_session SET nbr_courses= nbr_courses + $nb_affected WHERE id='$session_id' ");
  980. return true;
  981. } else {
  982. return false;
  983. }
  984. }
  985. /**
  986. * Creates a new extra field for a given session
  987. * @param string Field's internal variable name
  988. * @param int Field's type
  989. * @param string Field's language var name
  990. * @return int new extra field id
  991. */
  992. public static function create_session_extra_field ($fieldvarname, $fieldtype, $fieldtitle) {
  993. // database table definition
  994. $params = array('field_variable' => $fieldvarname,
  995. 'field_type' => $fieldtype,
  996. 'field_display_text' => $fieldtitle
  997. );
  998. $session_field = new SessionField();
  999. $field_id = $session_field->save($params);
  1000. return $field_id;
  1001. }
  1002. /**
  1003. * Update an extra field value for a given session
  1004. * @param integer Course ID
  1005. * @param string Field variable name
  1006. * @param string Field value
  1007. * @return boolean true if field updated, false otherwise
  1008. */
  1009. public static function update_session_extra_field_value($session_id, $fname, $fvalue = null) {
  1010. /*$session_field_value = new SessionFieldValue();
  1011. $session_field_value->update($params);*/
  1012. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1013. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1014. $fname = Database::escape_string($fname);
  1015. $session_id = (int)$session_id;
  1016. $tms = api_get_utc_datetime();
  1017. $fvalues = '';
  1018. if (is_array($fvalue)) {
  1019. foreach($fvalue as $val) {
  1020. $fvalues .= Database::escape_string($val).';';
  1021. }
  1022. if(!empty($fvalues)) {
  1023. $fvalues = substr($fvalues,0,-1);
  1024. }
  1025. } else {
  1026. $fvalues = Database::escape_string($fvalue);
  1027. }
  1028. $sqlsf = "SELECT * FROM $t_sf WHERE field_variable='$fname'";
  1029. $ressf = Database::query($sqlsf);
  1030. if (Database::num_rows($ressf)==1) {
  1031. // ok, the field exists
  1032. // Check if enumerated field, if the option is available
  1033. $rowsf = Database::fetch_array($ressf);
  1034. $sqlsfv = "SELECT * FROM $t_sfv WHERE session_id = '$session_id' AND field_id = '".$rowsf['id']."' ORDER BY id";
  1035. $ressfv = Database::query($sqlsfv);
  1036. $n = Database::num_rows($ressfv);
  1037. if ($n>1) {
  1038. //problem, we already have to values for this field and user combination - keep last one
  1039. while($rowsfv = Database::fetch_array($ressfv)) {
  1040. if($n > 1) {
  1041. $sqld = "DELETE FROM $t_sfv WHERE id = ".$rowsfv['id'];
  1042. $resd = Database::query($sqld);
  1043. $n--;
  1044. }
  1045. $rowsfv = Database::fetch_array($ressfv);
  1046. if ($rowsfv['field_value'] != $fvalues) {
  1047. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = '$tms' WHERE id = ".$rowsfv['id'];
  1048. $resu = Database::query($sqlu);
  1049. return($resu?true:false);
  1050. }
  1051. return true;
  1052. }
  1053. } else if ($n==1) {
  1054. //we need to update the current record
  1055. $rowsfv = Database::fetch_array($ressfv);
  1056. if($rowsfv['field_value'] != $fvalues) {
  1057. $sqlu = "UPDATE $t_sfv SET field_value = '$fvalues', tms = '$tms' WHERE id = ".$rowsfv['id'];
  1058. //error_log('UM::update_extra_field_value: '.$sqlu);
  1059. $resu = Database::query($sqlu);
  1060. return($resu?true:false);
  1061. }
  1062. return true;
  1063. } else {
  1064. $sqli = "INSERT INTO $t_sfv (session_id,field_id,field_value,tms) " .
  1065. "VALUES ('$session_id',".$rowsf['id'].",'$fvalues', '$tms')";
  1066. //error_log('UM::update_extra_field_value: '.$sqli);
  1067. $resi = Database::query($sqli);
  1068. return($resi?true:false);
  1069. }
  1070. } else {
  1071. return false; //field not found
  1072. }
  1073. }
  1074. /**
  1075. * Checks the relationship between a session and a course.
  1076. * @param int $session_id
  1077. * @param int $course_id
  1078. * @return bool Returns TRUE if the session and the course are related, FALSE otherwise.
  1079. * */
  1080. public static function relation_session_course_exist ($session_id, $courseId) {
  1081. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1082. $return_value = false;
  1083. $sql= "SELECT c_id FROM $tbl_session_course
  1084. WHERE id_session = ".Database::escape_string($session_id)." AND c_id = '".Database::escape_string($courseId)."'";
  1085. $result = Database::query($sql);
  1086. $num = Database::num_rows($result);
  1087. if ($num>0) {
  1088. $return_value = true;
  1089. }
  1090. return $return_value;
  1091. }
  1092. /**
  1093. * Get the session information by name
  1094. * @param string session name
  1095. * @return mixed false if the session does not exist, array if the session exist
  1096. * */
  1097. public static function get_session_by_name ($session_name) {
  1098. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1099. $sql = 'SELECT * FROM '.$tbl_session.' WHERE name="'.Database::escape_string($session_name).'"';
  1100. $result = Database::query($sql);
  1101. $num = Database::num_rows($result);
  1102. if ($num) {
  1103. return Database::fetch_array($result, 'ASSOC');
  1104. } else {
  1105. return false;
  1106. }
  1107. }
  1108. /**
  1109. * Create a session category
  1110. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  1111. * @param string name
  1112. * @param integer year_start
  1113. * @param integer month_start
  1114. * @param integer day_start
  1115. * @param integer year_end
  1116. * @param integer month_end
  1117. * @param integer day_end
  1118. * @return $id_session;
  1119. **/
  1120. public static function create_category_session($sname,$syear_start,$smonth_start,$sday_start,$syear_end,$smonth_end, $sday_end){
  1121. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1122. $name= trim($sname);
  1123. $year_start= intval($syear_start);
  1124. $month_start=intval($smonth_start);
  1125. $day_start=intval($sday_start);
  1126. $year_end=intval($syear_end);
  1127. $month_end=intval($smonth_end);
  1128. $day_end=intval($sday_end);
  1129. $date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  1130. $date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  1131. if (empty($name)) {
  1132. $msg=get_lang('SessionCategoryNameIsRequired');
  1133. return $msg;
  1134. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start)) {
  1135. $msg=get_lang('InvalidStartDate');
  1136. return $msg;
  1137. } elseif (!$month_end && !$day_end && !$year_end) {
  1138. $date_end = "null";
  1139. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end)) {
  1140. $msg=get_lang('InvalidEndDate');
  1141. return $msg;
  1142. } elseif($date_start >= $date_end) {
  1143. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  1144. return $msg;
  1145. }
  1146. $access_url_id = api_get_current_access_url_id();
  1147. $sql = "INSERT INTO $tbl_session_category (name, date_start, date_end, access_url_id)
  1148. VALUES('".Database::escape_string($name)."','$date_start','$date_end', '$access_url_id')";
  1149. Database::query($sql);
  1150. $id_session = Database::insert_id();
  1151. // Add event to system log
  1152. $user_id = api_get_user_id();
  1153. event_system(LOG_SESSION_CATEGORY_CREATE, LOG_SESSION_CATEGORY_ID, $id_session, api_get_utc_datetime(), $user_id);
  1154. return $id_session;
  1155. }
  1156. /**
  1157. * Edit a sessions categories
  1158. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>,from existing code
  1159. * @param integer id
  1160. * @param string name
  1161. * @param integer year_start
  1162. * @param integer month_start
  1163. * @param integer day_start
  1164. * @param integer year_end
  1165. * @param integer month_end
  1166. * @param integer day_end
  1167. * @return $id;
  1168. * The parameter id is a primary key
  1169. **/
  1170. public static function edit_category_session($id, $sname,$syear_start,$smonth_start,$sday_start,$syear_end,$smonth_end, $sday_end){
  1171. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1172. $name= trim($sname);
  1173. $year_start= intval($syear_start);
  1174. $month_start=intval($smonth_start);
  1175. $day_start=intval($sday_start);
  1176. $year_end=intval($syear_end);
  1177. $month_end=intval($smonth_end);
  1178. $day_end=intval($sday_end);
  1179. $id=intval($id);
  1180. $date_start = "$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
  1181. $date_end = "$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
  1182. if (empty($name)) {
  1183. $msg=get_lang('SessionCategoryNameIsRequired');
  1184. return $msg;
  1185. } elseif (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start)) {
  1186. $msg=get_lang('InvalidStartDate');
  1187. return $msg;
  1188. } elseif (!$month_end && !$day_end && !$year_end) {
  1189. $date_end = null;
  1190. } elseif (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end)) {
  1191. $msg=get_lang('InvalidEndDate');
  1192. return $msg;
  1193. } elseif($date_start >= $date_end) {
  1194. $msg=get_lang('StartDateShouldBeBeforeEndDate');
  1195. return $msg;
  1196. }
  1197. if ( $date_end <> null ) {
  1198. $sql = "UPDATE $tbl_session_category SET name = '".Database::escape_string($name)."', date_start = '$date_start' ".
  1199. ", date_end = '$date_end' WHERE id= '".$id."' ";
  1200. } else {
  1201. $sql = "UPDATE $tbl_session_category SET name = '".Database::escape_string($name)."', date_start = '$date_start' ".
  1202. ", date_end = NULL WHERE id= '".$id."' ";
  1203. }
  1204. $result = Database::query($sql);
  1205. return ($result? true:false);
  1206. }
  1207. /**
  1208. * Delete sessions categories
  1209. * @author Jhon Hinojosa <jhon.hinojosa@dokeos.com>, from existing code
  1210. * @param array id_checked
  1211. * @param bool include delete session
  1212. * @param bool optional, true if the function is called by a webservice, false otherwise.
  1213. * @return void Nothing, or false on error
  1214. * The parameters is a array to delete sessions
  1215. **/
  1216. public static function delete_session_category($id_checked, $delete_session = false,$from_ws = false){
  1217. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1218. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1219. if (is_array($id_checked)) {
  1220. $id_checked = Database::escape_string(implode(',',$id_checked));
  1221. } else {
  1222. $id_checked = intval($id_checked);
  1223. }
  1224. //Setting session_category_id to 0
  1225. $sql = "UPDATE $tbl_session SET session_category_id = 0 WHERE session_category_id IN (".$id_checked.")";
  1226. Database::query($sql);
  1227. $sql = "SELECT id FROM $tbl_session WHERE session_category_id IN (".$id_checked.")";
  1228. $result = @Database::query($sql);
  1229. while ($rows = Database::fetch_array($result)) {
  1230. $session_id = $rows['id'];
  1231. if ($delete_session) {
  1232. if ($from_ws) {
  1233. SessionManager::delete_session($session_id,true);
  1234. } else {
  1235. SessionManager::delete_session($session_id);
  1236. }
  1237. }
  1238. }
  1239. $sql = "DELETE FROM $tbl_session_category WHERE id IN (".$id_checked.")";
  1240. $rs = Database::query($sql);
  1241. $result = Database::affected_rows($rs);
  1242. // Add event to system log
  1243. $user_id = api_get_user_id();
  1244. event_system(LOG_SESSION_CATEGORY_DELETE, LOG_SESSION_CATEGORY_ID, $id_checked, api_get_utc_datetime(), $user_id);
  1245. // delete extra session fields where field variable is "PERIODO"
  1246. $t_sf = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1247. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1248. $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' ";
  1249. $rs_field = Database::query($sql);
  1250. $field_id = 0;
  1251. if (Database::num_rows($rs_field) > 0) {
  1252. $row_field = Database::fetch_row($rs_field);
  1253. $field_id = $row_field[0];
  1254. $sql_delete_sfv = "DELETE FROM $t_sfv WHERE session_id = '$id_checked' AND field_id = '$field_id'";
  1255. $rs_delete_sfv = Database::query($sql_delete_sfv);
  1256. }
  1257. $sql = "SELECT * FROM $t_sfv WHERE field_id = '$field_id' ";
  1258. $rs_field_id = Database::query($sql);
  1259. if (Database::num_rows($rs_field_id) == 0) {
  1260. $sql_delete_sf = "DELETE FROM $t_sf WHERE id = '$field_id'";
  1261. $rs_delete_sf = Database::query($sql_delete_sf);
  1262. }
  1263. return true;
  1264. }
  1265. /**
  1266. * Get a list of sessions of which the given conditions match with an = 'cond'
  1267. * @param array $conditions a list of condition (exemple : array('status =' =>STUDENT) or array('s.name LIKE' => "%$needle%")
  1268. * @param array $order_by a list of fields on which sort
  1269. * @return array An array with all sessions of the platform.
  1270. * @todo optional course code parameter, optional sorting parameters...
  1271. */
  1272. public static function get_sessions_list($conditions = array(), $order_by = array()) {
  1273. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1274. $session_category_table = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1275. $user_table = Database::get_main_table(TABLE_MAIN_USER);
  1276. $table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1277. $access_url_id = api_get_current_access_url_id();
  1278. $return_array = array();
  1279. $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
  1280. FROM $session_table s
  1281. INNER JOIN $user_table u ON s.id_coach = u.user_id
  1282. INNER JOIN $table_access_url_rel_session ar ON ar.session_id = s.id
  1283. LEFT JOIN $session_category_table sc ON s.session_category_id = sc.id
  1284. WHERE ar.access_url_id = $access_url_id ";
  1285. if (count($conditions) > 0) {
  1286. $sql_query .= ' AND ';
  1287. foreach ($conditions as $field=>$value) {
  1288. $field = Database::escape_string($field);
  1289. $value = Database::escape_string($value);
  1290. $sql_query .= $field." '".$value."'";
  1291. }
  1292. }
  1293. if (count($order_by)>0) {
  1294. $sql_query .= ' ORDER BY '.Database::escape_string(implode(',',$order_by));
  1295. }
  1296. //echo $sql_query;
  1297. $sql_result = Database::query($sql_query);
  1298. if (Database::num_rows($sql_result)>0) {
  1299. while ($result = Database::fetch_array($sql_result)) {
  1300. $return_array[$result['id']] = $result;
  1301. }
  1302. }
  1303. return $return_array;
  1304. }
  1305. /**
  1306. * Get the session category information by id
  1307. * @param string session category ID
  1308. * @return mixed false if the session category does not exist, array if the session category exists
  1309. */
  1310. public static function get_session_category ($id) {
  1311. $id = intval($id);
  1312. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1313. $sql = "SELECT id, name, date_start, date_end FROM $tbl_session_category WHERE id= $id";
  1314. $result = Database::query($sql);
  1315. $num = Database::num_rows($result);
  1316. if ($num>0){
  1317. return Database::fetch_array($result);
  1318. } else {
  1319. return false;
  1320. }
  1321. }
  1322. /**
  1323. * Get all session categories (filter by access_url_id)
  1324. * @return mixed false if the session category does not exist, array if the session category exists
  1325. */
  1326. public static function get_all_session_category() {
  1327. $tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
  1328. $id = api_get_current_access_url_id();
  1329. $sql = 'SELECT * FROM '.$tbl_session_category.' WHERE access_url_id ="'.$id.'" ORDER BY name ASC';
  1330. $result = Database::query($sql);
  1331. if (Database::num_rows($result) > 0 ){
  1332. $data = Database::store_result($result,'ASSOC');
  1333. return $data;
  1334. } else {
  1335. return false;
  1336. }
  1337. }
  1338. /**
  1339. * Assign a coach to course in session with status = 2
  1340. * @param int - user id
  1341. * @param int - session id
  1342. * @param int - course id
  1343. * @param bool - optional, if is true the user don't be a coach now, otherwise it'll assign a coach
  1344. * @return bool true if there are affected rows, otherwise false
  1345. */
  1346. public static function set_coach_to_course_session($user_id, $session_id = 0, $courseId = '',$nocoach = false) {
  1347. // Definition of variables
  1348. $user_id = intval($user_id);
  1349. if (!empty($session_id)) {
  1350. $session_id = intval($session_id);
  1351. } else {
  1352. $session_id = api_get_session_id();
  1353. }
  1354. if (!empty($courseId)) {
  1355. $courseId = Database::escape_string($courseId);
  1356. } else {
  1357. $courseId = api_get_course_int_id();
  1358. }
  1359. // definitios of tables
  1360. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1361. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1362. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1363. // check if user is a teacher
  1364. $sql= "SELECT * FROM $tbl_user WHERE status='1' AND user_id = '$user_id'";
  1365. $rs_check_user = Database::query($sql);
  1366. if (Database::num_rows($rs_check_user) > 0) {
  1367. if ($nocoach) {
  1368. // check if user_id exits int session_rel_user
  1369. $sql = "SELECT id_user FROM $tbl_session_rel_user WHERE id_session = '$session_id' AND id_user = '$user_id'";
  1370. $res = Database::query($sql);
  1371. if (Database::num_rows($res) > 0) {
  1372. // The user don't be a coach now
  1373. $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 0 WHERE id_session = '$session_id' AND c_id = '$courseId' AND id_user = '$user_id' ";
  1374. $rs_update = Database::query($sql);
  1375. if (Database::affected_rows($rs_update) > 0) return true;
  1376. else return false;
  1377. } else {
  1378. // The user don't be a coach now
  1379. $sql = "DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session = '$session_id' AND c_id = '$courseId' AND id_user = '$user_id' ";
  1380. $rs_delete = Database::query($sql);
  1381. if (Database::affected_rows($rs_delete) > 0) return true;
  1382. else return false;
  1383. }
  1384. } else {
  1385. // Assign user like a coach to course
  1386. // First check if the user is registered in the course
  1387. $sql = "SELECT id_user FROM $tbl_session_rel_course_rel_user WHERE id_session = '$session_id' AND c_id = '$courseId' AND id_user = '$user_id'";
  1388. $rs_check = Database::query($sql);
  1389. //Then update or insert
  1390. if (Database::num_rows($rs_check) > 0) {
  1391. $sql = "UPDATE $tbl_session_rel_course_rel_user SET status = 2 WHERE id_session = '$session_id' AND c_id = '$courseId' AND id_user = '$user_id' ";
  1392. $rs_update = Database::query($sql);
  1393. if (Database::affected_rows($rs_update) > 0) return true;
  1394. else return false;
  1395. } else {
  1396. $sql = " INSERT INTO $tbl_session_rel_course_rel_user(id_session, c_id, id_user, status) VALUES('$session_id', '$courseId', '$user_id', 2)";
  1397. $rs_insert = Database::query($sql);
  1398. if (Database::affected_rows($rs_insert) > 0) return true;
  1399. else return false;
  1400. }
  1401. }
  1402. } else {
  1403. return false;
  1404. }
  1405. }
  1406. /**
  1407. * Subscribes sessions to human resource manager (Dashboard feature)
  1408. * @param int Human Resource Manager id
  1409. * @param array Sessions id
  1410. * @param int Relation type
  1411. **/
  1412. public static function suscribe_sessions_to_hr_manager($hr_manager_id,$sessions_list) {
  1413. global $_configuration;
  1414. // Database Table Definitions
  1415. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1416. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1417. $tbl_session_rel_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1418. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1419. $hr_manager_id = intval($hr_manager_id);
  1420. $affected_rows = 0;
  1421. //Deleting assigned sessions to hrm_id
  1422. if (api_is_multiple_url_enabled()) {
  1423. $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)
  1424. WHERE id_user = $hr_manager_id AND relation_type=".SESSION_RELATION_TYPE_RRHH." AND access_url_id = ".api_get_current_access_url_id()."";
  1425. } else {
  1426. $sql = "SELECT id_session FROM $tbl_session_rel_user s WHERE id_user = $hr_manager_id AND relation_type=".SESSION_RELATION_TYPE_RRHH."";
  1427. }
  1428. $result = Database::query($sql);
  1429. if (Database::num_rows($result) > 0) {
  1430. while ($row = Database::fetch_array($result)) {
  1431. $sql = "DELETE FROM $tbl_session_rel_user
  1432. WHERE id_session = {$row['id_session']} AND id_user = $hr_manager_id AND relation_type=".SESSION_RELATION_TYPE_RRHH." ";
  1433. Database::query($sql);
  1434. }
  1435. }
  1436. // inserting new sessions list
  1437. if (is_array($sessions_list)) {
  1438. foreach ($sessions_list as $session_id) {
  1439. $session_id = intval($session_id);
  1440. $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."')";
  1441. $result = Database::query($insert_sql);
  1442. $affected_rows = Database::affected_rows($result);
  1443. }
  1444. }
  1445. return $affected_rows;
  1446. }
  1447. /**
  1448. * Get sessions followed by human resources manager
  1449. * @param int Human resources manager or Session admin id
  1450. * @return array sessions
  1451. */
  1452. public static function get_sessions_followed_by_drh($hr_manager_id)
  1453. {
  1454. // Database Table Definitions
  1455. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1456. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1457. $tbl_session_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1458. $hr_manager_id = intval($hr_manager_id);
  1459. $assigned_sessions_to_hrm = array();
  1460. if (api_is_multiple_url_enabled()) {
  1461. $sql = "SELECT * FROM $tbl_session s INNER JOIN $tbl_session_rel_user sru ON (sru.id_session = s.id) LEFT JOIN $tbl_session_rel_access_url a ON (s.id = a.session_id)
  1462. WHERE sru.id_user = '$hr_manager_id' AND sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."' AND access_url_id = ".api_get_current_access_url_id()."";
  1463. } else {
  1464. $sql = "SELECT * FROM $tbl_session s
  1465. 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."' ";
  1466. }
  1467. $rs_assigned_sessions = Database::query($sql);
  1468. if (Database::num_rows($rs_assigned_sessions) > 0) {
  1469. while ($row_assigned_sessions = Database::fetch_array($rs_assigned_sessions)) {
  1470. $assigned_sessions_to_hrm[$row_assigned_sessions['id']] = $row_assigned_sessions;
  1471. }
  1472. }
  1473. return $assigned_sessions_to_hrm;
  1474. }
  1475. /**
  1476. * Gets the list of courses by session filtered by access_url
  1477. * @param int session id
  1478. * @return array list of courses
  1479. */
  1480. public static function get_course_list_by_session_id ($session_id) {
  1481. $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
  1482. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1483. // select the courses
  1484. $sql = "SELECT c.*, c.id as real_id FROM $tbl_course c INNER JOIN $tbl_session_rel_course src ON c.id = src.c_id
  1485. WHERE src.id_session = '$session_id'
  1486. ORDER BY title;";
  1487. $result = Database::query($sql);
  1488. $num_rows = Database::num_rows($result);
  1489. $courses = array();
  1490. if ($num_rows > 0) {
  1491. while ($row = Database::fetch_array($result,'ASSOC')) {
  1492. $row['real_id'] = $row['id'];
  1493. $courses[$row['id']] = $row;
  1494. }
  1495. }
  1496. return $courses;
  1497. }
  1498. /**
  1499. * Get the session id based on the original id and field name in the extra fields. Returns 0 if session was not found
  1500. *
  1501. * @param string Original session id
  1502. * @param string Original field name
  1503. * @return int Session id
  1504. */
  1505. public static function get_session_id_from_original_id($original_session_id_value, $original_session_id_name) {
  1506. $t_sfv = Database::get_main_table(TABLE_MAIN_SESSION_FIELD_VALUES);
  1507. $table_field = Database::get_main_table(TABLE_MAIN_SESSION_FIELD);
  1508. $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'";
  1509. $res_session = Database::query($sql_session);
  1510. $row = Database::fetch_object($res_session);
  1511. if ($row) {
  1512. return $row->session_id;
  1513. } else {
  1514. return 0;
  1515. }
  1516. }
  1517. /**
  1518. * Get users by session
  1519. * @param int session id
  1520. * @param int filter by status
  1521. * @return array a list with an user list
  1522. */
  1523. public static function get_users_by_session($id, $with_status = null) {
  1524. if (empty($id)) {
  1525. return array();
  1526. }
  1527. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1528. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1529. $id = intval($id);
  1530. /*
  1531. * sessions are not shared between urls
  1532. if (api_is_multiple_url_enabled()) {
  1533. $tbl_session_rel_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1534. $url_id = api_get_current_access_url_id();
  1535. $sql = "SELECT u.user_id, lastname, firstname, username, access_url_id, moved_to, moved_status, moved_at
  1536. FROM $tbl_user u
  1537. INNER JOIN $tbl_session_rel_user su
  1538. ON u.user_id = su.id_user AND su.relation_type<>".SESSION_RELATION_TYPE_RRHH."
  1539. INNER JOIN $tbl_session_rel_url s ON (s.session_id = su.id_session)
  1540. LEFT OUTER JOIN $tbl_session_rel_user uu ON (uu.user_id = u.user_id AND s.session_id = uu.id_session)
  1541. WHERE su.id_session = $id AND (access_url_id = $url_id OR access_url_id is null )";
  1542. } else {
  1543. $sql = "SELECT u.user_id, lastname, firstname, username, moved_to, moved_status, moved_at
  1544. FROM $tbl_user u INNER JOIN $tbl_session_rel_user su
  1545. ON u.user_id = su.id_user AND
  1546. su.id_session = $id
  1547. WHERE 1 = 1
  1548. ";
  1549. }*/
  1550. $sql = "SELECT u.user_id,
  1551. lastname,
  1552. firstname,
  1553. username,
  1554. moved_to,
  1555. moved_status,
  1556. moved_at
  1557. FROM $tbl_user u INNER JOIN $tbl_session_rel_user su
  1558. ON u.user_id = su.id_user AND
  1559. su.id_session = $id
  1560. WHERE 1 = 1
  1561. ";
  1562. if (isset($with_status) && $with_status != '') {
  1563. $with_status = intval($with_status);
  1564. $sql .= " AND relation_type = $with_status ";
  1565. }
  1566. $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname' : ' ORDER BY lastname, firstname';
  1567. $sql .= $order_clause;
  1568. $return_array = array();
  1569. $result = Database::query($sql);
  1570. while ($row = Database::fetch_array($result,'ASSOC')) {
  1571. $return_array[] = $row;
  1572. }
  1573. return $return_array;
  1574. }
  1575. /**
  1576. * The general coach (field: session.id_coach)
  1577. * @param int user id
  1578. */
  1579. public static function get_sessions_by_general_coach($user_id) {
  1580. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1581. $user_id = intval($user_id);
  1582. // session where we are general coach
  1583. $sql = "SELECT DISTINCT *
  1584. FROM $session_table
  1585. WHERE id_coach = $user_id";
  1586. if (api_is_multiple_url_enabled()) {
  1587. $tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1588. $access_url_id = api_get_current_access_url_id();
  1589. if ($access_url_id != -1) {
  1590. $sql = 'SELECT DISTINCT session.*
  1591. FROM '.$session_table.' session INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
  1592. ON (session.id = session_rel_url.session_id)
  1593. WHERE id_coach = '.$user_id.' AND access_url_id = '.$access_url_id;
  1594. }
  1595. }
  1596. $sql .= ' ORDER by name';
  1597. $result = Database::query($sql);
  1598. return Database::store_result($result, 'ASSOC');
  1599. }
  1600. /**
  1601. * Get all sessions if the user is a sesion course coach of any session
  1602. * @param int user id
  1603. */
  1604. static function get_sessions_by_coach($user_id) {
  1605. // table definition
  1606. $tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
  1607. $tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1608. $sql = 'SELECT DISTINCT session.*
  1609. FROM ' . $tbl_session . ' as session
  1610. INNER JOIN ' . $tbl_session_course_user . ' as session_course_user
  1611. ON session.id = session_course_user.id_session
  1612. AND session_course_user.id_user=' . $user_id.' AND session_course_user.status=2';
  1613. if (api_is_multiple_url_enabled()) {
  1614. $tbl_session_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1615. $access_url_id = api_get_current_access_url_id();
  1616. if ($access_url_id != -1){
  1617. $sql = 'SELECT DISTINCT session.*
  1618. FROM '.$tbl_session.' as session
  1619. INNER JOIN ' . $tbl_session_course_user . ' as session_course_user
  1620. ON session.id = session_course_user.id_session AND session_course_user.id_user = '.$user_id.' AND session_course_user.status=2
  1621. INNER JOIN '.$tbl_session_rel_access_url.' session_rel_url
  1622. ON (session.id = session_rel_url.session_id)
  1623. WHERE access_url_id = '.$access_url_id;
  1624. }
  1625. }
  1626. //$sql .= " ORDER BY session.name";
  1627. $result = Database::query($sql);
  1628. return Database::store_result($result, 'ASSOC');
  1629. }
  1630. public static function get_sessions_coached_by_user($coach_id, $check_session_rel_user_visibility = false) {
  1631. $sessions = self::get_sessions_by_general_coach($coach_id);
  1632. $sessions_by_coach = self::get_sessions_by_coach($coach_id);
  1633. if (!empty($sessions_by_coach)) {
  1634. $sessions = array_merge($sessions, $sessions_by_coach);
  1635. }
  1636. //Remove repeated sessions
  1637. if (!empty($sessions)) {
  1638. $clean_sessions = array();
  1639. foreach ($sessions as $session) {
  1640. $clean_sessions[$session['id']] = $session;
  1641. }
  1642. $sessions = $clean_sessions;
  1643. }
  1644. if ($check_session_rel_user_visibility) {
  1645. if (!empty($sessions)) {
  1646. $new_session = array();
  1647. foreach ($sessions as $session) {
  1648. $visibility = api_get_session_visibility($session['id']);
  1649. if ($visibility == SESSION_INVISIBLE) {
  1650. continue;
  1651. }
  1652. $new_session[] = $session;
  1653. }
  1654. $sessions = $new_session;
  1655. }
  1656. }
  1657. return $sessions;
  1658. }
  1659. /**
  1660. * Gets user status within a session
  1661. * @param $user_id
  1662. * @param $course_code
  1663. * @param $session_id
  1664. * @return unknown_type
  1665. */
  1666. public static function get_user_status_in_course_session($user_id, $courseId, $session_id) {
  1667. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1668. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  1669. $sql = "SELECT session_rcru.status
  1670. FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  1671. WHERE session_rcru.id_user = user.user_id AND
  1672. session_rcru.id_session = '".intval($session_id)."' AND
  1673. session_rcru.c_id ='".Database::escape_string($courseId)."' AND
  1674. user.user_id = ".intval($user_id);
  1675. $result = Database::query($sql);
  1676. $status = false;
  1677. if (Database::num_rows($result)) {
  1678. $status = Database::fetch_row($result);
  1679. $status = $status['0'];
  1680. }
  1681. return $status;
  1682. }
  1683. static function get_user_status_in_session($session_id, $user_id) {
  1684. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1685. $session_id = intval($session_id);
  1686. $user_id = intval($user_id);
  1687. $sql = "SELECT * FROM $tbl_session_rel_user WHERE id_user = $user_id AND id_session = $session_id";
  1688. $result = Database::query($sql);
  1689. if (Database::num_rows($result)) {
  1690. $result = Database::store_result($result, 'ASSOC');
  1691. return $result[0];
  1692. }
  1693. return array();
  1694. }
  1695. static function get_all_sessions_by_promotion($id) {
  1696. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  1697. return Database::select('*', $t, array('where'=>array('promotion_id = ?'=>$id)));
  1698. }
  1699. static function suscribe_sessions_to_promotion($promotion_id, $list) {
  1700. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  1701. $params = array();
  1702. $params['promotion_id'] = 0;
  1703. Database::update($t, $params, array('promotion_id = ?'=>$promotion_id));
  1704. $params['promotion_id'] = $promotion_id;
  1705. if (!empty($list)) {
  1706. foreach ($list as $session_id) {
  1707. $session_id= intval($session_id);
  1708. Database::update($t, $params, array('id = ?'=>$session_id));
  1709. }
  1710. }
  1711. }
  1712. /**
  1713. * Updates a session status
  1714. * @param int session id
  1715. * @param int status
  1716. */
  1717. public static function set_session_status($session_id, $status)
  1718. {
  1719. $t = Database::get_main_table(TABLE_MAIN_SESSION);
  1720. $params['visibility'] = $status;
  1721. Database::update($t, $params, array('id = ?'=>$session_id));
  1722. }
  1723. /**
  1724. * Copies a session with the same data to a new session.
  1725. * The new copy is not assigned to the same promotion. @see suscribe_sessions_to_promotions() for that
  1726. * @param int Session ID
  1727. * @param bool Whether to copy the relationship with courses
  1728. * @param bool Whether to copy the relationship with users
  1729. * @param bool New courses will be created
  1730. * @return int The new session ID on success, 0 otherwise
  1731. * @todo make sure the extra session fields are copied too
  1732. */
  1733. /**
  1734. * @param $id
  1735. * @param $copy_courses
  1736. * @param $copy_users
  1737. * @param $create_new_courses
  1738. * @param $set_exercises_lp_invisible
  1739. * @return int
  1740. */
  1741. public static function copy_session($id, $copy_courses = true, $copy_users = true, $create_new_courses = false, $set_exercises_lp_invisible = false) {
  1742. $id = intval($id);
  1743. $params = self::fetch($id);
  1744. $params['name'] = $params['name'].' '.get_lang('CopyLabelSuffix');
  1745. $sid = self::add($params);
  1746. if (!is_numeric($sid) || empty($sid)) {
  1747. return false;
  1748. }
  1749. if ($copy_courses) {
  1750. // Register courses from the original session to the new session
  1751. $courses = self::get_course_list_by_session_id($id);
  1752. $short_courses = $new_short_courses = array();
  1753. if (is_array($courses) && count($courses)>0) {
  1754. foreach ($courses as $course) {
  1755. $short_courses[] = $course;
  1756. }
  1757. }
  1758. $courses = null;
  1759. //We will copy the current courses of the session to new courses
  1760. if (!empty($short_courses)) {
  1761. if ($create_new_courses) {
  1762. //Just in case
  1763. if (function_exists('ini_set')) {
  1764. api_set_memory_limit('256M');
  1765. ini_set('max_execution_time',0);
  1766. }
  1767. $params = array();
  1768. $params['skip_lp_dates'] = true;
  1769. foreach ($short_courses as $course_data) {
  1770. $course_info = CourseManager::copy_course_simple($course_data['title'].' '.get_lang('CopyLabelSuffix'), $course_data['course_code'], $id, $sid, $params);
  1771. if ($course_info) {
  1772. //By default new elements are invisible
  1773. if ($set_exercises_lp_invisible) {
  1774. $list = new LearnpathList('', $course_info['code'], $sid);
  1775. $flat_list = $list->get_flat_list();
  1776. if (!empty($flat_list)) {
  1777. foreach ($flat_list as $lp_id => $data) {
  1778. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0 ,0, 0, 0, $sid);
  1779. api_item_property_update($course_info, TOOL_LEARNPATH, $lp_id, 'invisible', api_get_user_id(), 0 ,0, 0, 0);
  1780. }
  1781. }
  1782. $quiz_table = Database::get_course_table(TABLE_QUIZ_TEST);
  1783. $course_id = $course_info['real_id'];
  1784. //@todo check this query
  1785. //Disabling quiz items
  1786. $sql = "UPDATE $quiz_table SET active = 0 WHERE c_id = $course_id ";
  1787. Database::query($sql);
  1788. }
  1789. $new_short_courses[] = $course_info['code'];
  1790. }
  1791. }
  1792. } else {
  1793. foreach($short_courses as $course_data) {
  1794. $new_short_courses[] = $course_data['id'];
  1795. }
  1796. }
  1797. $short_courses = $new_short_courses;
  1798. $res = self::add_courses_to_session($sid, $short_courses, true);
  1799. $short_courses = null;
  1800. }
  1801. }
  1802. if ($copy_users) {
  1803. // Register users from the original session to the new session
  1804. $users = self::get_users_by_session($id);
  1805. $short_users = array();
  1806. if (is_array($users) && count($users)>0) {
  1807. foreach ($users as $user) {
  1808. $short_users[] = $user['user_id'];
  1809. }
  1810. }
  1811. $users = null;
  1812. //Subscribing in read only mode
  1813. $res = self::suscribe_users_to_session($sid, $short_users, SESSION_VISIBLE_READ_ONLY, true, false);
  1814. $short_users = null;
  1815. }
  1816. return $sid;
  1817. }
  1818. static function user_is_general_coach($user_id, $session_id) {
  1819. $session_id = intval($session_id);
  1820. $user_id = intval($user_id);
  1821. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1822. $sql = "SELECT DISTINCT id
  1823. FROM $session_table
  1824. WHERE session.id_coach = '".$user_id."' AND id = '$session_id'";
  1825. $result = Database::query($sql);
  1826. if ($result && Database::num_rows($result)) {
  1827. return true;
  1828. }
  1829. return false;
  1830. }
  1831. /**
  1832. * Get the number of sessions
  1833. * @param int ID of the URL we want to filter on (optional)
  1834. * @return int Number of sessions
  1835. */
  1836. public static function count_sessions($access_url_id=null) {
  1837. $session_table = Database::get_main_table(TABLE_MAIN_SESSION);
  1838. $access_url_rel_session_table = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  1839. $sql = "SELECT count(id) FROM $session_table s";
  1840. if (!empty($access_url_id) && $access_url_id == intval($access_url_id)) {
  1841. $sql .= ", $access_url_rel_session_table u ".
  1842. " WHERE s.id = u.session_id AND u.access_url_id = $access_url_id";
  1843. }
  1844. $res = Database::query($sql);
  1845. $row = Database::fetch_row($res);
  1846. return $row[0];
  1847. }
  1848. /**
  1849. * @param int $id
  1850. * @return bool
  1851. */
  1852. static function protect_session_edit($id = null)
  1853. {
  1854. if (api_is_platform_admin()) {
  1855. return false;
  1856. }
  1857. if (api_is_session_admin()) {
  1858. return false;
  1859. }
  1860. $blockTeachers = !api_is_teacher() || (api_is_teacher() && api_get_setting('allow_teachers_to_create_sessions') == 'false');
  1861. if ($blockTeachers) {
  1862. api_not_allowed(true);
  1863. }
  1864. if (!empty($id)) {
  1865. $session_info = self::fetch($id);
  1866. if (empty($session_info)) {
  1867. api_not_allowed(true);
  1868. }
  1869. if ($blockTeachers && !api_is_platform_admin() && api_get_setting('allow_session_admins_to_manage_all_sessions') != 'true') {
  1870. if ($session_info['session_admin_id'] != api_get_user_id()) {
  1871. api_not_allowed(true);
  1872. }
  1873. }
  1874. //Blocking teachers that want to edit another session
  1875. if ($blockTeachers == false && $session_info['id_coach'] != api_get_user_id()) {
  1876. api_not_allowed(true);
  1877. }
  1878. }
  1879. }
  1880. /**
  1881. * @param $courseId
  1882. * @return array
  1883. */
  1884. static function get_session_by_course($courseId)
  1885. {
  1886. $table_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1887. $table_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1888. $courseId = Database::escape_string($courseId);
  1889. $sql = "SELECT name, s.id FROM $table_session_course sc INNER JOIN $table_session s ON (sc.id_session = s.id)
  1890. WHERE sc.c_id = '$courseId' ";
  1891. $result = Database::query($sql);
  1892. return Database::store_result($result);
  1893. }
  1894. public static function get_sessions_by_user($user_id, $ignore_visibility_for_admins = false)
  1895. {
  1896. $session_categories = UserManager::get_sessions_by_category($user_id, false, false, false, 0, null, null, $ignore_visibility_for_admins);
  1897. $session_array = array();
  1898. if (!empty($session_categories)) {
  1899. foreach ($session_categories as $category) {
  1900. if (isset($category['sessions'])) {
  1901. foreach ($category['sessions'] as $session) {
  1902. $session_array[] = $session;
  1903. }
  1904. }
  1905. }
  1906. }
  1907. return $session_array;
  1908. }
  1909. /**
  1910. * @param string $file
  1911. * @param bool $updatesession options:
  1912. * true: if the session exists it will be updated
  1913. * false: if session exists a new session will be created adding a counter session1, session2, etc
  1914. * @param int $user_id
  1915. * @param $logger
  1916. * @param array convert a file row to an extra field. Example in CSV file there's a SessionID then it will
  1917. * converted to extra_external_session_id if you set this: array('SessionId' => 'extra_external_session_id')
  1918. * @param array extra fields
  1919. * @param string extra field id
  1920. * @param int $daysCoachAccessBeforeBeginning
  1921. * @param int $daysCoachAccessAfterBeginning
  1922. * @param int $sessionVisibility
  1923. * @return array
  1924. */
  1925. static function importCSV(
  1926. $file,
  1927. $updatesession,
  1928. $defaultUserId = null,
  1929. $logger = null,
  1930. $extraFields = array(),
  1931. $extraFieldId = null,
  1932. $daysCoachAccessBeforeBeginning = null,
  1933. $daysCoachAccessAfterBeginning = null,
  1934. $sessionVisibility = 1,
  1935. $fieldsToAvoidUpdate = array()
  1936. )
  1937. {
  1938. $content = file($file);
  1939. $error_message = null;
  1940. $session_counter = 0;
  1941. if (empty($defaultUserId)) {
  1942. $defaultUserId = api_get_user_id();
  1943. }
  1944. $eol = PHP_EOL;
  1945. if (PHP_SAPI !='cli') {
  1946. $eol = '<br />';
  1947. }
  1948. $debug = false;
  1949. if (isset($logger)) {
  1950. $debug = true;
  1951. }
  1952. $extraParameters = null;
  1953. if (!empty($daysCoachAccessBeforeBeginning) && !empty($daysCoachAccessAfterBeginning)) {
  1954. $extraParameters .= ' , nb_days_access_before_beginning = '.intval($daysCoachAccessBeforeBeginning);
  1955. $extraParameters .= ' , nb_days_access_after_end = '.intval($daysCoachAccessAfterBeginning);
  1956. }
  1957. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  1958. $tbl_session_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  1959. $tbl_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  1960. $tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  1961. $sessions = array();
  1962. if (!api_strstr($content[0], ';')) {
  1963. $error_message = get_lang('NotCSV');
  1964. } else {
  1965. $tag_names = array();
  1966. foreach ($content as $key => $enreg) {
  1967. $enreg = explode(';', trim($enreg));
  1968. if ($key) {
  1969. foreach ($tag_names as $tag_key => $tag_name) {
  1970. $sessions[$key - 1][$tag_name] = $enreg[$tag_key];
  1971. }
  1972. } else {
  1973. foreach ($enreg as $tag_name) {
  1974. $tag_names[] = api_preg_replace('/[^a-zA-Z0-9_\-]/', '', $tag_name);
  1975. }
  1976. if (!in_array('SessionName', $tag_names) || !in_array('DateStart', $tag_names) || !in_array('DateEnd', $tag_names)) {
  1977. $error_message = get_lang('NoNeededData');
  1978. break;
  1979. }
  1980. }
  1981. }
  1982. // Looping the sessions.
  1983. foreach ($sessions as $enreg) {
  1984. $user_counter = 0;
  1985. $course_counter = 0;
  1986. if (isset($extraFields) && !empty($extraFields)) {
  1987. foreach ($extraFields as $original => $to) {
  1988. $enreg[$to] = $enreg[$original];
  1989. }
  1990. }
  1991. $session_name = Database::escape_string($enreg['SessionName']);
  1992. $date_start = $enreg['DateStart'];
  1993. $date_end = $enreg['DateEnd'];
  1994. $visibility = isset($enreg['Visibility']) ? $enreg['Visibility'] : $sessionVisibility;
  1995. $session_category_id = isset($enreg['SessionCategory']) ? $enreg['SessionCategory'] : null;
  1996. // Searching a general coach.
  1997. if (!empty($enreg['Coach'])) {
  1998. $coach_id = UserManager::get_user_id_from_username($enreg['Coach']);
  1999. if ($coach_id === false) {
  2000. // If the coach-user does not exist - I'm the coach.
  2001. $coach_id = $defaultUserId;
  2002. }
  2003. } else {
  2004. $coach_id = $defaultUserId;
  2005. }
  2006. if (!$updatesession) {
  2007. // Always create a session.
  2008. $unique_name = false; // This MUST be initializead.
  2009. $i = 0;
  2010. // Change session name, verify that session doesn't exist.
  2011. $suffix = null;
  2012. while (!$unique_name) {
  2013. if ($i > 1) {
  2014. $suffix = ' - '.$i;
  2015. }
  2016. $sql = 'SELECT 1 FROM '.$tbl_session.' WHERE name="'.$session_name.$suffix.'"';
  2017. $rs = Database::query($sql);
  2018. if (Database::result($rs, 0, 0)) {
  2019. $i++;
  2020. } else {
  2021. $unique_name = true;
  2022. $session_name .= $suffix;
  2023. }
  2024. }
  2025. // Creating the session.
  2026. /*$sql_session = "INSERT IGNORE INTO $tbl_session SET
  2027. name = '".$session_name."',
  2028. id_coach = '$coach_id',
  2029. date_start = '$date_start',
  2030. date_end = '$date_end',
  2031. visibility = '$visibility',
  2032. session_category_id = '$session_category_id',
  2033. session_admin_id=".intval($defaultUserId).$extraParameters;
  2034. Database::query($sql_session);*/
  2035. $params = array (
  2036. 'id_coach' => $coach_id,
  2037. 'visibility' => $visibility,
  2038. 'name' => $session_name,
  2039. 'access_start_date' => $date_start,
  2040. 'access_end_date' => $date_end,
  2041. 'session_category_id' => $session_category_id,
  2042. 'session_admin_id' => $defaultUserId,
  2043. );
  2044. $session_id = SessionManager::add($params);
  2045. if ($debug) {
  2046. if ($session_id) {
  2047. foreach ($enreg as $key => $value) {
  2048. if (substr($key, 0, 6) == 'extra_') { //an extra field
  2049. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  2050. }
  2051. }
  2052. $logger->addInfo("Sessions - Session created: #$session_id - $session_name");
  2053. } else {
  2054. $logger->addError("Sessions - Session NOT created: $session_name");
  2055. }
  2056. }
  2057. $session_counter++;
  2058. } else {
  2059. $sessionId = null;
  2060. if (isset($extraFields) && !empty($extraFields)) {
  2061. $sessionId = self::get_session_id_from_original_id($enreg['extra_'.$extraFieldId], $extraFieldId);
  2062. if (empty($sessionId)) {
  2063. $my_session_result = false;
  2064. } else {
  2065. $my_session_result = true;
  2066. }
  2067. } else {
  2068. $my_session_result = self::get_session_by_name($enreg['SessionName']);
  2069. }
  2070. if ($my_session_result === false) {
  2071. // Creating a session.
  2072. /*$sql_session = "INSERT IGNORE INTO $tbl_session SET
  2073. name = '$session_name',
  2074. id_coach = '$coach_id',
  2075. date_start = '$date_start',
  2076. date_end = '$date_end',
  2077. visibility = '$visibility',
  2078. session_category_id = '$session_category_id' ".$extraParameters;*/
  2079. $params = array (
  2080. 'id_coach' => $coach_id,
  2081. 'visibility' => $visibility,
  2082. 'name' => $session_name,
  2083. 'access_start_date' => $date_start,
  2084. 'access_end_date' => $date_end,
  2085. 'session_category_id' => $session_category_id,
  2086. 'session_admin_id' => $defaultUserId,
  2087. );
  2088. $session_id = SessionManager::add($params);
  2089. // We get the last insert id.
  2090. /*$my_session_result = SessionManager::get_session_by_name($enreg['SessionName']);
  2091. $session_id = $my_session_result['id'];*/
  2092. if ($debug) {
  2093. if ($session_id) {
  2094. foreach ($enreg as $key => $value) {
  2095. if (substr($key, 0, 6) == 'extra_') { //an extra field
  2096. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  2097. }
  2098. }
  2099. $logger->addInfo("Sessions - #$session_id created: $session_name");
  2100. } else {
  2101. $logger->addError("Sessions - Session NOT created: $session_name");
  2102. }
  2103. }
  2104. } else {
  2105. $params = array(
  2106. 'id_coach' => $coach_id,
  2107. 'date_start' => $date_start,
  2108. 'date_end' => $date_end,
  2109. 'visibility' => $visibility,
  2110. 'session_category_id' => $session_category_id
  2111. );
  2112. if (!empty($fieldsToAvoidUpdate)) {
  2113. foreach ($fieldsToAvoidUpdate as $field) {
  2114. unset($params[$field]);
  2115. }
  2116. }
  2117. if (isset($sessionId) && !empty($sessionId)) {
  2118. // The session already exists, update it then.
  2119. Database::update($tbl_session, $params, array('id = ?' => $sessionId));
  2120. $session_id = $sessionId;
  2121. } else {
  2122. Database::update($tbl_session, $params, array("name = '?' " => $enreg['SessionName']));
  2123. $row = Database::query("SELECT id FROM $tbl_session WHERE name = '$session_name'");
  2124. list($session_id) = Database::fetch_array($row);
  2125. }
  2126. foreach ($enreg as $key => $value) {
  2127. if (substr($key, 0, 6) == 'extra_') { //an extra field
  2128. self::update_session_extra_field_value($session_id, substr($key, 6), $value);
  2129. }
  2130. }
  2131. Database::query("DELETE FROM $tbl_session_user WHERE id_session='$session_id'");
  2132. Database::query("DELETE FROM $tbl_session_course WHERE id_session='$session_id'");
  2133. Database::query("DELETE FROM $tbl_session_course_user WHERE id_session='$session_id'");
  2134. }
  2135. $session_counter++;
  2136. }
  2137. $users = explode('|', $enreg['Users']);
  2138. // Adding the relationship "Session - User".
  2139. if (is_array($users)) {
  2140. foreach ($users as $user) {
  2141. $user_id = UserManager::get_user_id_from_username($user);
  2142. if ($user_id !== false) {
  2143. // Insert new users.
  2144. $sql = "INSERT IGNORE INTO $tbl_session_user SET
  2145. id_user = '$user_id',
  2146. id_session = '$session_id'";
  2147. Database::query($sql);
  2148. if ($debug) {
  2149. $logger->addInfo("Sessions - Adding User #$user_id ($user) to session #$session_id");
  2150. }
  2151. $user_counter++;
  2152. }
  2153. }
  2154. }
  2155. $courses = explode('|', $enreg['Courses']);
  2156. foreach ($courses as $course) {
  2157. $course_code = api_strtoupper(api_substr($course, 0, api_strpos($course, '[')));
  2158. if (CourseManager::course_exists($course_code)) {
  2159. $courseInfo = api_get_course_info($course_code);
  2160. $courseId = $courseInfo['real_id'];
  2161. // Adding the course to a session.
  2162. $sql_course = "INSERT IGNORE INTO $tbl_session_course
  2163. SET c_id = '".$courseId."', id_session = '$session_id'";
  2164. Database::query($sql_course);
  2165. if ($debug) {
  2166. $logger->addInfo("Sessions - Adding course '$course_code' to session #$session_id");
  2167. }
  2168. $course_counter++;
  2169. $pattern = "/\[(.*?)\]/";
  2170. preg_match_all($pattern, $course, $matches);
  2171. if (isset($matches[1])) {
  2172. $course_coaches = $matches[1][0];
  2173. $course_users = $matches[1][1];
  2174. }
  2175. $course_users = explode(',', $course_users);
  2176. $course_coaches = explode(',', $course_coaches);
  2177. // Adding coaches to session course user
  2178. if (!empty($course_coaches)) {
  2179. foreach ($course_coaches as $course_coach) {
  2180. $coach_id = UserManager::get_user_id_from_username($course_coach);
  2181. if ($coach_id !== false) {
  2182. $sql = "INSERT IGNORE INTO $tbl_session_course_user SET
  2183. id_user='$coach_id',
  2184. c_id ='$courseId',
  2185. id_session = '$session_id',
  2186. status = 2 ";
  2187. Database::query($sql);
  2188. if ($debug) {
  2189. $logger->addInfo("Sessions - Adding course coach: user #$coach_id ($course_coach) to course: '$course_code' and session #$session_id");
  2190. }
  2191. } else {
  2192. $error_message .= get_lang('UserDoesNotExist').' : '.$course_coach.$eol;
  2193. }
  2194. }
  2195. }
  2196. $users_in_course_counter = 0;
  2197. // Adding the relationship "Session - Course - User".
  2198. foreach ($course_users as $user) {
  2199. $user_id = UserManager::get_user_id_from_username($user);
  2200. if ($user_id !== false) {
  2201. $sql = "INSERT IGNORE INTO $tbl_session_course_user SET
  2202. id_user='$user_id',
  2203. c_id = '$courseId',
  2204. id_session = '$session_id'";
  2205. Database::query($sql);
  2206. if ($debug) {
  2207. $logger->addInfo("Sessions - Adding student: user #$user_id ($user) to course: '$course_code' and session #$session_id");
  2208. }
  2209. $users_in_course_counter++;
  2210. } else {
  2211. $error_message .= get_lang('UserDoesNotExist').': '.$user.$eol;
  2212. }
  2213. }
  2214. $sql = "UPDATE $tbl_session_course SET nbr_users='$users_in_course_counter' WHERE c_id ='$courseId'";
  2215. Database::query($sql);
  2216. $course_info = CourseManager::get_course_information($course_code);
  2217. $inserted_in_course[$course_code] = $course_info['title'];
  2218. }
  2219. }
  2220. $access_url_id = api_get_current_access_url_id();
  2221. UrlManager::add_session_to_url($session_id, $access_url_id);
  2222. $sql_update_users = "UPDATE $tbl_session SET nbr_users ='$user_counter', nbr_courses='$course_counter' WHERE id='$session_id'";
  2223. Database::query($sql_update_users);
  2224. }
  2225. }
  2226. return array(
  2227. 'error_message' => $error_message,
  2228. 'session_counter' => $session_counter
  2229. );
  2230. }
  2231. /**
  2232. * @todo Add constatns in a DB table
  2233. */
  2234. static function get_session_change_user_reasons() {
  2235. return array (
  2236. self::SESSION_CHANGE_USER_REASON_SCHEDULE => get_lang('ScheduleChanged'),
  2237. self::SESSION_CHANGE_USER_REASON_CLASSROOM => get_lang('ClassRoomChanged'),
  2238. self::SESSION_CHANGE_USER_REASON_LOCATION => get_lang('LocationChanged'),
  2239. //self::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION => get_lang('EnrollmentAnnulation'),
  2240. );
  2241. }
  2242. static function get_session_change_user_reasons_variations() {
  2243. return array (
  2244. self::SESSION_CHANGE_USER_REASON_SCHEDULE => array(
  2245. 'default' => get_lang('ScheduleChanged'),
  2246. 'from' => get_lang('ScheduleChangedFrom'),
  2247. 'to' => get_lang('ScheduleChangedTo'),
  2248. ),
  2249. self::SESSION_CHANGE_USER_REASON_CLASSROOM => array(
  2250. 'default' => get_lang('ClassRoomChanged'),
  2251. 'from' => get_lang('ClassRoomChangedFrom'),
  2252. 'to' => get_lang('ClassRoomChangedTo'),
  2253. ),
  2254. self::SESSION_CHANGE_USER_REASON_LOCATION => array(
  2255. 'default' => get_lang('LocationChanged'),
  2256. 'from' => get_lang('LocationChangedFrom'),
  2257. 'to' => get_lang('LocationChangedTo'),
  2258. )
  2259. );
  2260. }
  2261. static function get_session_change_user_reasons_variations_by_id($id, $type) {
  2262. $reasons = self::get_session_change_user_reasons_variations();
  2263. $my_reason = isset($reasons[$id]) ? $reasons[$id] : null;
  2264. return isset($my_reason[$type]) ? $my_reason[$type] : null;
  2265. }
  2266. static function get_session_changed_reason_label($id, $type) {
  2267. switch ($type) {
  2268. case 'origin':
  2269. break;
  2270. case 'destination':
  2271. break;
  2272. }
  2273. }
  2274. /**
  2275. * Gets the reason name
  2276. * @param int reason id
  2277. */
  2278. static function get_session_change_user_reason($id) {
  2279. $reasons = self::get_session_change_user_reasons();
  2280. return isset($reasons[$id]) ? $reasons[$id] : null;
  2281. }
  2282. /**
  2283. * Changes the user from one session to another due a reason
  2284. * @params int user_id
  2285. * @params int old session id
  2286. * @params int new session id
  2287. * @params int see SessionManager::get_session_change_user_reasons()
  2288. */
  2289. static function change_user_session($user_id, $old_session_id, $new_session_id, $reason_id) {
  2290. if (!empty($user_id) && !empty($old_session_id) && !empty($new_session_id)) {
  2291. $user_id = intval($user_id);
  2292. $old_session_id = intval($old_session_id);
  2293. $new_session_id = intval($new_session_id);
  2294. $reason_id = intval($reason_id);
  2295. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2296. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2297. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2298. // Update number of users
  2299. $update_sql = "UPDATE $tbl_session SET nbr_users = nbr_users - 1 WHERE id = '$old_session_id' ";
  2300. Database::query($update_sql);
  2301. // Get the list of courses related to this session
  2302. $course_list = SessionManager::get_course_list_by_session_id($old_session_id);
  2303. if (!empty($course_list)) {
  2304. foreach ($course_list as $course) {
  2305. $courseId = $course['id'];
  2306. // Delete user from course
  2307. //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'");
  2308. //if (Database::affected_rows()) {
  2309. // Update number of users in this relation
  2310. $sql = "UPDATE $tbl_session_rel_course SET nbr_users = nbr_users - 1 WHERE id_session = '$old_session_id' AND c_id='$courseId'";
  2311. Database::query($sql);
  2312. //}
  2313. }
  2314. }
  2315. //Deal with reasons
  2316. switch ($reason_id) {
  2317. case self::SESSION_CHANGE_USER_REASON_SCHEDULE:
  2318. case self::SESSION_CHANGE_USER_REASON_CLASSROOM:
  2319. case self::SESSION_CHANGE_USER_REASON_LOCATION:
  2320. //Adding to the new session
  2321. self::suscribe_users_to_session($new_session_id, array($user_id), null, false);
  2322. //Setting move_to if session was provided
  2323. $sql = "UPDATE $tbl_session_rel_user SET moved_to = '$new_session_id'
  2324. WHERE id_session = '$old_session_id' AND id_user ='$user_id'";
  2325. Database::query($sql);
  2326. break;
  2327. case self::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION:
  2328. UserManager::deactivate_users(array($user_id));
  2329. break;
  2330. }
  2331. $now = api_get_utc_datetime();
  2332. //Setting the moved_status
  2333. $sql = "UPDATE $tbl_session_rel_user SET moved_status = $reason_id, moved_at = '$now'
  2334. WHERE id_session = '$old_session_id' AND id_user ='$user_id'";
  2335. Database::query($sql);
  2336. return true;
  2337. }
  2338. return;
  2339. }
  2340. /**
  2341. * Get users inside a course session
  2342. */
  2343. static function get_users_in_course_session($courseId, $id_session, $sort, $direction, $from = null, $limit = null) {
  2344. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2345. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2346. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2347. $courseId = Database::escape_string($courseId);
  2348. $id_session = Database::escape_string($id_session);
  2349. $from = intval($from);
  2350. $limit = intval($limit);
  2351. $is_western_name_order = api_is_western_name_order();
  2352. //Select the number of users
  2353. $sql = " SELECT DISTINCT u.user_id,".($is_western_name_order ? 'u.firstname, u.lastname' : 'u.lastname, u.firstname').", u.username, scru.id_user as is_subscribed
  2354. FROM $tbl_session_rel_user sru INNER JOIN $tbl_user u ON (u.user_id=sru.id_user)
  2355. LEFT JOIN $tbl_session_rel_course_rel_user scru ON (u.user_id = scru.id_user AND scru.c_id = '".$courseId."' )
  2356. WHERE sru.id_session = '$id_session' AND
  2357. sru.moved_to = 0 AND sru.moved_status <> ".SessionManager::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION." AND
  2358. sru.relation_type<>".SESSION_RELATION_TYPE_RRHH;
  2359. $sql .= " ORDER BY $sort $direction ";
  2360. if (!empty($from) && !empty($limit)) {
  2361. $sql .= " LIMIT $from, $limit";
  2362. }
  2363. $result = Database::query($sql);
  2364. if (Database::num_rows($result)) {
  2365. return Database::store_result($result);
  2366. }
  2367. return false;
  2368. }
  2369. /**
  2370. * @param $courseId
  2371. * @param $id_session
  2372. * @return int|mixed
  2373. */
  2374. static function get_count_users_in_course_session($courseId, $id_session) {
  2375. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2376. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2377. //Select the number of users
  2378. $sql = " SELECT count(*) FROM $tbl_session_rel_user sru, $tbl_session_rel_course_rel_user srcru
  2379. WHERE srcru.id_user = sru.id_user AND
  2380. srcru.id_session = sru.id_session AND
  2381. srcru.c_id = '".Database::escape_string($courseId)."' AND
  2382. srcru.id_session = '".intval($id_session)."' AND
  2383. (sru.moved_to = 0 AND sru.moved_status <> ".SessionManager::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION.") AND
  2384. sru.relation_type<>".SESSION_RELATION_TYPE_RRHH;
  2385. $result = Database::query($sql);
  2386. if (Database::num_rows($result)) {
  2387. return Database::result($result,0,0);
  2388. }
  2389. return 0;
  2390. }
  2391. /**
  2392. * Get the list of coaches (only user ids)
  2393. * @param string course_code
  2394. * @param in session_id
  2395. * @return array
  2396. */
  2397. static function get_session_course_coaches($courseId, $session_id)
  2398. {
  2399. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2400. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2401. // Get coachs of the courses in session
  2402. $sql = "SELECT user.user_id FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2403. WHERE session_rcru.id_user = user.user_id AND
  2404. session_rcru.id_session = '".intval($session_id)."' AND
  2405. session_rcru.c_id ='".Database::escape_string($courseId)."' AND
  2406. session_rcru.status=2";
  2407. $result = Database::query($sql);
  2408. return Database::store_result($result);
  2409. }
  2410. static function get_session_course_coaches_by_user($courseId, $session_id, $user_id)
  2411. {
  2412. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2413. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2414. // Get coachs of the courses in session
  2415. $sql = "SELECT user.user_id FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
  2416. WHERE session_rcru.id_user = user.user_id AND
  2417. session_rcru.id_session = '".intval($session_id)."' AND
  2418. session_rcru.c_id ='".Database::escape_string($courseId)."' AND
  2419. session_rcru.status=2";
  2420. $result = Database::query($sql);
  2421. return Database::store_result($result);
  2422. }
  2423. static function get_session_course_coaches_to_string($courseId, $session_id)
  2424. {
  2425. $coaches = self::get_session_course_coaches($courseId, $session_id);
  2426. if (!empty($coaches)) {
  2427. $coach_list = array();
  2428. foreach ($coaches as $coach_info) {
  2429. $user_info = api_get_user_info($coach_info['user_id']);
  2430. $coach_list[] = $user_info['complete_name'];
  2431. }
  2432. if (!empty($coach_list)) {
  2433. return implode(', ', $coach_list);
  2434. }
  2435. }
  2436. return get_lang('None');
  2437. }
  2438. /**
  2439. * @param $id_session
  2440. * @param $courseId
  2441. */
  2442. static function delete_course_in_session($id_session, $courseId)
  2443. {
  2444. $tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
  2445. $tbl_session_rel_course_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  2446. $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
  2447. $id_session = intval($id_session);
  2448. $courseId = Database::escape_string($courseId);
  2449. if (!empty($id_session) && !empty($courseId)) {
  2450. $result = Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session='$id_session' AND c_id = '$courseId'");
  2451. $nbr_affected_rows = Database::affected_rows($result);
  2452. Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND c_id = '$courseId'");
  2453. Database::query("UPDATE $tbl_session SET nbr_courses=nbr_courses-$nbr_affected_rows WHERE id='$id_session'");
  2454. }
  2455. }
  2456. static function get_session_rel_user_by_moved_to($session_id, $user_id) {
  2457. $tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
  2458. $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";
  2459. $result = Database::query($sql);
  2460. if (Database::num_rows($result)) {
  2461. $result = Database::store_result($result,'ASSOC');
  2462. return $result[0];
  2463. }
  2464. return false;
  2465. }
  2466. static function get_coaches_by_keyword($tag) {
  2467. $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
  2468. $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname, username' : ' ORDER BY lastname, firstname, username';
  2469. $select ="SELECT user.user_id, lastname, firstname, username ";
  2470. $sql = " $select FROM $tbl_user user WHERE status='1'";
  2471. $tag = Database::escape_string($tag);
  2472. $where_condition = array();
  2473. if (!empty($tag)) {
  2474. $condition = ' LIKE "%'.$tag.'%"';
  2475. $where_condition = array( "firstname $condition",
  2476. "lastname $condition",
  2477. "username $condition"
  2478. );
  2479. $where_condition = ' AND ('.implode(' OR ', $where_condition).') ';
  2480. }
  2481. if (api_is_multiple_url_enabled()) {
  2482. $tbl_user_rel_access_url= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  2483. $access_url_id = api_get_current_access_url_id();
  2484. if ($access_url_id != -1){
  2485. $sql = $select.' FROM '.$tbl_user.' user
  2486. INNER JOIN '.$tbl_user_rel_access_url.' url_user ON (url_user.user_id=user.user_id)
  2487. WHERE access_url_id = '.$access_url_id.' AND status = 1';
  2488. }
  2489. }
  2490. $sql .= $where_condition.$order_clause;
  2491. $result = Database::query($sql);
  2492. return Database::store_result($result, 'ASSOC');
  2493. }
  2494. /**
  2495. * Returns a human readable string
  2496. * @params array An array with all the session dates
  2497. * @return string
  2498. */
  2499. static function parse_session_dates($session_info)
  2500. {
  2501. //This will clean the variables if 0000-00-00 00:00:00 the variable will be empty
  2502. $start_date = null;
  2503. $end_date = null;
  2504. if (isset($session_info['display_start_date'])) {
  2505. $start_date = api_get_local_time($session_info['display_start_date'], null, null, true);
  2506. }
  2507. if (isset($session_info['display_end_date'])) {
  2508. $end_date = api_get_local_time($session_info['display_end_date'], null, null, true);
  2509. }
  2510. $msg_date = null;
  2511. if (!empty($start_date) && !empty($end_date)) {
  2512. //$msg_date = get_lang('From').' '.$start_date.' '.get_lang('To').' '.$end_date;
  2513. $msg_date = sprintf(get_lang('FromDateXToDateY'), $start_date, $end_date);
  2514. } else {
  2515. if (!empty($start_date)) {
  2516. $msg_date = get_lang('From').' '.$start_date;
  2517. }
  2518. if (!empty($end_date)) {
  2519. $msg_date = get_lang('Until').' '.$end_date;
  2520. }
  2521. }
  2522. return $msg_date;
  2523. }
  2524. public static function get_session_columns($list_type = 'simple') {
  2525. //Column config
  2526. $operators = array('cn', 'nc');
  2527. $date_operators = array('gt', 'ge', 'lt', 'le');
  2528. switch ($list_type) {
  2529. case 'simple':
  2530. $columns = array(
  2531. get_lang('Name'),
  2532. get_lang('SessionDisplayStartDate'),
  2533. get_lang('SessionDisplayEndDate'),
  2534. //get_lang('SessionCategoryName'),
  2535. //get_lang('Coach'),
  2536. //get_lang('Status'),
  2537. get_lang('Visibility'),
  2538. //get_lang('CourseTitle'),
  2539. );
  2540. $column_model = array (
  2541. array('name'=>'name', 'index'=>'name', 'width'=>'200', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('sopt' => $operators)),
  2542. array('name'=>'display_start_date', 'index'=>'display_start_date', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('dataInit' => 'date_pick_today', 'sopt' => $date_operators)),
  2543. 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)),
  2544. array('name'=>'visibility', 'index'=>'visibility', 'width'=>'40', 'align'=>'left', 'search' => 'false'),
  2545. );
  2546. break;
  2547. case 'complete':
  2548. $columns = array(
  2549. get_lang('Name'),
  2550. get_lang('SessionDisplayStartDate'),
  2551. get_lang('SessionDisplayEndDate'),
  2552. get_lang('Coach'),
  2553. get_lang('Status'),
  2554. get_lang('Visibility'),
  2555. get_lang('CourseTitle'),
  2556. );
  2557. $column_model = array (
  2558. array('name'=>'name', 'index'=>'name', 'width'=>'200', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('sopt' => $operators)),
  2559. array('name'=>'display_start_date', 'index'=>'display_start_date', 'width'=>'70', 'align'=>'left', 'search' => 'true', 'searchoptions' => array('dataInit' => 'date_pick_today', 'sopt' => $date_operators)),
  2560. 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)),
  2561. array('name'=>'coach_name', 'index'=>'coach_name', 'width'=>'70', 'align'=>'left', 'search' => 'false', 'searchoptions' => array('sopt' => $operators)),
  2562. array('name'=>'session_active', 'index'=>'session_active', 'width'=>'25', 'align'=>'left', 'search' => 'true', 'stype'=>'select',
  2563. //for the bottom bar
  2564. 'searchoptions' => array(
  2565. 'defaultValue' => '1',
  2566. 'value' => '1:'.get_lang('Active').';0:'.get_lang('Inactive')),
  2567. //for the top bar
  2568. 'editoptions' => array('value' => '" ":'.get_lang('All').';1:'.get_lang('Active').';0:'.get_lang('Inactive'))
  2569. ),
  2570. array('name'=>'visibility', 'index'=>'visibility', 'width'=>'40', 'align'=>'left', 'search' => 'false'),
  2571. array('name'=>'course_title', 'index'=>'course_title', 'width'=>'50', 'hidden' => 'true', 'search' => 'true', 'searchoptions' => array('searchhidden' =>'true','sopt' => $operators)),
  2572. );
  2573. break;
  2574. }
  2575. // Inject extra session fields
  2576. $session_field = new SessionField();
  2577. $rules = $session_field->getRules($columns, $column_model);
  2578. $column_model[] = array('name'=>'actions', 'index'=>'actions', 'width'=>'80', 'align'=>'left','formatter'=>'action_formatter','sortable'=>'false', 'search' => 'false');
  2579. $columns[] = get_lang('Actions');
  2580. foreach ($column_model as $col_model) {
  2581. $simple_column_name[] = $col_model['name'];
  2582. }
  2583. $return_array = array(
  2584. 'columns' => $columns,
  2585. 'column_model' => $column_model,
  2586. 'rules' => $rules,
  2587. 'simple_column_name' => $simple_column_name
  2588. );
  2589. return $return_array;
  2590. }
  2591. /**
  2592. * @param int $categoryId
  2593. * @return array
  2594. */
  2595. static function getSessionsByCategory($categoryId)
  2596. {
  2597. $categoryId = intval($categoryId);
  2598. $tableSession = Database::get_main_table(TABLE_MAIN_SESSION);
  2599. $sql = "select * FROM $tableSession WHERE session_category_id = $categoryId";
  2600. $result = Database::query($sql);
  2601. return Database::store_result($result);
  2602. }
  2603. }