urlmanager.lib.php 20 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * This library provides functions for the access_url management.
  5. * Include/require it in your code to use its functionality.
  6. *
  7. * @package chamilo.library
  8. */
  9. /**
  10. * @package chamilo.library
  11. */
  12. class UrlManager
  13. {
  14. /**
  15. * Creates a new url access to Dokeos
  16. *
  17. * @author Julio Montoya <gugli100@gmail.com>,
  18. *
  19. * @param string The URL of the site
  20. * @param string The description of the site
  21. * @param int is active or not
  22. * @param int the user_id of the owner
  23. * @return boolean if success
  24. */
  25. public static function add($url, $description, $active)
  26. {
  27. $tms = time();
  28. $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
  29. $sql = "INSERT INTO $table_access_url
  30. SET url = '".Database::escape_string($url)."',
  31. description = '".Database::escape_string($description)."',
  32. active = '".Database::escape_string($active)."',
  33. created_by = '".api_get_user_id()."',
  34. tms = FROM_UNIXTIME(".$tms.")";
  35. $result = Database::query($sql);
  36. return $result;
  37. }
  38. /**
  39. * Updates an URL access to Dokeos
  40. * @author Julio Montoya <gugli100@gmail.com>,
  41. *
  42. * @param int The url id
  43. * @param string The description of the site
  44. * @param int is active or not
  45. * @param int the user_id of the owner
  46. * @return boolean if success
  47. */
  48. public static function udpate($url_id, $url, $description, $active)
  49. {
  50. $url_id = intval($url_id);
  51. $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
  52. $tms = time();
  53. $sql = "UPDATE $table_access_url
  54. SET url = '".Database::escape_string($url)."',
  55. description = '".Database::escape_string($description)."',
  56. active = '".Database::escape_string($active)."',
  57. created_by = '".api_get_user_id()."',
  58. tms = FROM_UNIXTIME(".$tms.")
  59. WHERE id = '$url_id'";
  60. $result = Database::query($sql);
  61. return $result;
  62. }
  63. /**
  64. * Deletes an url
  65. * @author Julio Montoya
  66. * @param int url id
  67. * @return boolean true if success
  68. * */
  69. public static function delete($id)
  70. {
  71. $id = intval($id);
  72. $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
  73. $sql= "DELETE FROM $table_access_url WHERE id = ".$id;
  74. $result = Database::query($sql);
  75. return $result;
  76. }
  77. /**
  78. *
  79. * */
  80. public static function url_exist($url)
  81. {
  82. $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
  83. $sql = "SELECT id FROM $table_access_url WHERE url = '".Database::escape_string($url)."' ";
  84. $res = Database::query($sql);
  85. $num = Database::num_rows($res);
  86. return $num;
  87. }
  88. /**
  89. *
  90. * */
  91. public static function url_id_exist($url)
  92. {
  93. $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
  94. $sql = "SELECT id FROM $table_access_url WHERE id = '".Database::escape_string($url)."' ";
  95. $res = Database::query($sql);
  96. $num = Database::num_rows($res);
  97. return $num;
  98. }
  99. /**
  100. * This function get the quantity of URLs
  101. * @author Julio Montoya
  102. * @return int count of urls
  103. * */
  104. public static function url_count()
  105. {
  106. $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
  107. $sql = "SELECT count(id) as count_result FROM $table_access_url";
  108. $res = Database::query($sql);
  109. $url = Database::fetch_array($res,'ASSOC');
  110. $result = $url['count_result'];
  111. return $result;
  112. }
  113. /**
  114. * Gets the id, url, description, and active status of ALL URLs
  115. * @author Julio Montoya
  116. * @return array
  117. * */
  118. public static function get_url_data()
  119. {
  120. $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
  121. $sql = "SELECT id, url, description, active FROM $table_access_url ORDER BY id";
  122. $res = Database::query($sql);
  123. $urls = array ();
  124. while ($url = Database::fetch_array($res)) {
  125. $urls[] = $url;
  126. }
  127. return $urls;
  128. }
  129. /**
  130. * Gets the id, url, description, and active status of ALL URLs
  131. * @author Julio Montoya
  132. * @return array
  133. * */
  134. public static function get_url_data_from_id($url_id)
  135. {
  136. $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
  137. $sql = "SELECT id, url, description, active FROM $table_access_url WHERE id = ".Database::escape_string($url_id);
  138. $res = Database::query($sql);
  139. $row = Database::fetch_array($res);
  140. return $row;
  141. }
  142. /** Gets the inner join of users and urls table
  143. * @author Julio Montoya
  144. * @param int access url id
  145. * @return array Database::store_result of the result
  146. * */
  147. public static function get_url_rel_user_data($access_url_id='')
  148. {
  149. $where = '';
  150. $table_url_rel_user = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  151. $tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
  152. if (!empty($access_url_id)) {
  153. $where ="WHERE $table_url_rel_user.access_url_id = ".Database::escape_string($access_url_id);
  154. }
  155. $order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname, username' : ' ORDER BY lastname, firstname, username';
  156. $sql="SELECT u.user_id, lastname, firstname, username, access_url_id
  157. FROM $tbl_user u
  158. INNER JOIN $table_url_rel_user
  159. ON $table_url_rel_user.user_id = u.user_id
  160. $where".$order_clause;
  161. $result=Database::query($sql);
  162. $users=Database::store_result($result);
  163. return $users;
  164. }
  165. /** Gets the inner join of access_url and the course table
  166. * @author Julio Montoya
  167. * @param int access url id
  168. * @return array Database::store_result of the result
  169. * */
  170. public static function get_url_rel_course_data($access_url_id='')
  171. {
  172. $where ='';
  173. $table_url_rel_course = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
  174. $tbl_course = Database :: get_main_table(TABLE_MAIN_COURSE);
  175. if (!empty($access_url_id))
  176. $where ="WHERE $table_url_rel_course.access_url_id = ".Database::escape_string($access_url_id);
  177. $sql="SELECT course_code, title, access_url_id
  178. FROM $tbl_course u
  179. INNER JOIN $table_url_rel_course
  180. ON $table_url_rel_course.course_code = code
  181. $where
  182. ORDER BY title, code";
  183. $result=Database::query($sql);
  184. $courses=Database::store_result($result);
  185. return $courses;
  186. }
  187. /** Gets the inner join of access_url and the session table
  188. * @author Julio Montoya
  189. * @param int access url id
  190. * @return array Database::store_result of the result
  191. * */
  192. public static function get_url_rel_session_data($access_url_id='')
  193. {
  194. $where ='';
  195. $table_url_rel_session = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  196. $tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
  197. if (!empty($access_url_id))
  198. $where ="WHERE $table_url_rel_session.access_url_id = ".Database::escape_string($access_url_id);
  199. $sql="SELECT id, name, access_url_id
  200. FROM $tbl_session u
  201. INNER JOIN $table_url_rel_session
  202. ON $table_url_rel_session.session_id = id
  203. $where
  204. ORDER BY name, id";
  205. $result=Database::query($sql);
  206. $sessions=Database::store_result($result);
  207. return $sessions;
  208. }
  209. /**
  210. * Sets the status of an URL 1 or 0
  211. * @author Julio Montoya
  212. * @param string lock || unlock
  213. * @param int url id
  214. * */
  215. public static function set_url_status($status, $url_id)
  216. {
  217. $url_table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
  218. if ($status=='lock') {
  219. $status_db='0';
  220. }
  221. if ($status=='unlock') {
  222. $status_db='1';
  223. }
  224. if(($status_db=='1' OR $status_db=='0') AND is_numeric($url_id)) {
  225. $sql="UPDATE $url_table SET active='".Database::escape_string($status_db)."' WHERE id='".Database::escape_string($url_id)."'";
  226. $result = Database::query($sql);
  227. }
  228. }
  229. /**
  230. * Checks the relationship between an URL and a User (return the num_rows)
  231. * @author Julio Montoya
  232. * @param int user id
  233. * @param int url id
  234. * @return boolean true if success
  235. * */
  236. public static function relation_url_user_exist($user_id, $url_id)
  237. {
  238. $table_url_rel_user= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  239. $sql= "SELECT user_id FROM $table_url_rel_user WHERE access_url_id = ".Database::escape_string($url_id)." AND user_id = ".Database::escape_string($user_id)." ";
  240. $result = Database::query($sql);
  241. $num = Database::num_rows($result);
  242. return $num;
  243. }
  244. /**
  245. * Checks the relationship between an URL and a Course (return the num_rows)
  246. * @author Julio Montoya
  247. * @param int user id
  248. * @param int url id
  249. * @return boolean true if success
  250. * */
  251. public static function relation_url_course_exist($course_id, $url_id)
  252. {
  253. $table_url_rel_course= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
  254. $sql= "SELECT course_code FROM $table_url_rel_course WHERE access_url_id = ".Database::escape_string($url_id)." AND course_code = '".Database::escape_string($course_id)."'";
  255. $result = Database::query($sql);
  256. $num = Database::num_rows($result);
  257. return $num;
  258. }
  259. /**
  260. * Checks the relationship between an URL and a Session (return the num_rows)
  261. * @author Julio Montoya
  262. * @param int user id
  263. * @param int url id
  264. * @return boolean true if success
  265. * */
  266. public static function relation_url_session_exist($session_id, $url_id) {
  267. $table_url_rel_session= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  268. $session_id = intval($session_id);
  269. $url_id = intval($url_id);
  270. $sql= "SELECT session_id FROM $table_url_rel_session WHERE access_url_id = ".Database::escape_string($url_id)." AND session_id = ".Database::escape_string($session_id);
  271. $result = Database::query($sql);
  272. $num = Database::num_rows($result);
  273. return $num;
  274. }
  275. /**
  276. * Add a group of users into a group of URLs
  277. * @author Julio Montoya
  278. * @param array of user_ids
  279. * @param array of url_ids
  280. * */
  281. public static function add_users_to_urls($user_list, $url_list) {
  282. $table_url_rel_user= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  283. $result_array=array();
  284. if (is_array($user_list) && is_array($url_list)){
  285. foreach ($url_list as $url_id) {
  286. foreach ($user_list as $user_id) {
  287. $count = UrlManager::relation_url_user_exist($user_id,$url_id);
  288. if ($count==0) {
  289. $sql = "INSERT INTO $table_url_rel_user
  290. SET user_id = ".Database::escape_string($user_id).", access_url_id = ".Database::escape_string($url_id);
  291. $result = Database::query($sql);
  292. if($result)
  293. $result_array[$url_id][$user_id]=1;
  294. else
  295. $result_array[$url_id][$user_id]=0;
  296. }
  297. }
  298. }
  299. }
  300. return $result_array;
  301. }
  302. /**
  303. * Add a group of courses into a group of URLs
  304. * @author Julio Montoya
  305. * @param array of course ids
  306. * @param array of url_ids
  307. * */
  308. public static function add_courses_to_urls($course_list,$url_list)
  309. {
  310. $table_url_rel_course= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
  311. $result_array=array();
  312. if (is_array($course_list) && is_array($url_list)){
  313. foreach ($url_list as $url_id) {
  314. foreach ($course_list as $course_code) {
  315. $count = UrlManager::relation_url_course_exist($course_code,$url_id);
  316. if ($count==0) {
  317. $sql = "INSERT INTO $table_url_rel_course
  318. SET course_code = '".Database::escape_string($course_code)."', access_url_id = ".Database::escape_string($url_id);
  319. $result = Database::query($sql);
  320. if($result)
  321. $result_array[$url_id][$course_code]=1;
  322. else
  323. $result_array[$url_id][$course_code]=0;
  324. }
  325. }
  326. }
  327. }
  328. return $result_array;
  329. }
  330. /**
  331. * Add a group of sessions into a group of URLs
  332. * @author Julio Montoya
  333. * @param array of session ids
  334. * @param array of url_ids
  335. * */
  336. public static function add_sessions_to_urls($session_list,$url_list)
  337. {
  338. $table_url_rel_session= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  339. $result_array=array();
  340. if (is_array($session_list) && is_array($url_list)){
  341. foreach ($url_list as $url_id) {
  342. foreach ($session_list as $session_id) {
  343. $count = UrlManager::relation_url_session_exist($session_id,$url_id);
  344. if ($count==0) {
  345. $sql = "INSERT INTO $table_url_rel_session
  346. SET session_id = ".Database::escape_string($session_id).", access_url_id = ".Database::escape_string($url_id);
  347. $result = Database::query($sql);
  348. if($result)
  349. $result_array[$url_id][$session_id]=1;
  350. else
  351. $result_array[$url_id][$session_id]=0;
  352. }
  353. }
  354. }
  355. }
  356. return $result_array;
  357. }
  358. /**
  359. * Add a user into a url
  360. * @author Julio Montoya
  361. * @param user_id
  362. * @param url_id
  363. * @return boolean true if success
  364. * */
  365. public static function add_user_to_url($user_id, $url_id=1)
  366. {
  367. $table_url_rel_user= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  368. if (empty($url_id)) $url_id=1;
  369. $count = UrlManager::relation_url_user_exist($user_id,$url_id);
  370. if (empty($count)) {
  371. $sql = "INSERT INTO $table_url_rel_user
  372. SET user_id = ".Database::escape_string($user_id).", access_url_id = ".Database::escape_string($url_id);
  373. $result = Database::query($sql);
  374. }
  375. return $result;
  376. }
  377. public static function add_course_to_url($course_code, $url_id=1)
  378. {
  379. $table_url_rel_course= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
  380. if (empty($url_id)) $url_id=1;
  381. $count = UrlManager::relation_url_course_exist($course_code,$url_id);
  382. if (empty($count)) {
  383. $sql = "INSERT INTO $table_url_rel_course
  384. SET course_code = '".Database::escape_string($course_code)."', access_url_id = ".Database::escape_string($url_id);
  385. $result = Database::query($sql);
  386. }
  387. return $result;
  388. }
  389. /**
  390. * Inserts a session to a URL (access_url_rel_session table)
  391. * @param int Session ID
  392. * @param int URL ID
  393. * @return bool True on success, false session already exists or insert failed
  394. */
  395. public static function add_session_to_url($session_id, $url_id = 1)
  396. {
  397. $table_url_rel_session= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  398. if (empty($url_id)) $url_id=1;
  399. $return = false;
  400. $count = UrlManager::relation_url_session_exist($session_id,$url_id);
  401. $session_id = intval($session_id);
  402. if (empty($count) && !empty($session_id)) {
  403. $url_id = intval($url_id);
  404. $sql = "INSERT INTO $table_url_rel_session
  405. SET session_id = ".Database::escape_string($session_id).", access_url_id = ".Database::escape_string($url_id);
  406. $result = Database::query($sql);
  407. }
  408. return $result;
  409. }
  410. /**
  411. * Deletes an url and user relationship
  412. * @author Julio Montoya
  413. * @param int user id
  414. * @param int url id
  415. * @return boolean true if success
  416. * */
  417. public static function delete_url_rel_user($user_id, $url_id)
  418. {
  419. $table_url_rel_user= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  420. $sql= "DELETE FROM $table_url_rel_user WHERE user_id = ".Database::escape_string($user_id)." AND access_url_id=".Database::escape_string($url_id)." ";
  421. $result = Database::query($sql);
  422. return $result;
  423. }
  424. /**
  425. * Deletes an url and course relationship
  426. * @author Julio Montoya
  427. * @param char course code
  428. * @param int url id
  429. * @return boolean true if success
  430. * */
  431. public static function delete_url_rel_course($course_code, $url_id)
  432. {
  433. $table_url_rel_course= Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
  434. $sql= "DELETE FROM $table_url_rel_course WHERE course_code = '".Database::escape_string($course_code)."' AND access_url_id=".Database::escape_string($url_id)." ";
  435. $result = Database::query($sql);
  436. return $result;
  437. }
  438. /**
  439. * Deletes an url and session relationship
  440. * @author Julio Montoya
  441. * @param char course code
  442. * @param int url id
  443. * @return boolean true if success
  444. * */
  445. public static function delete_url_rel_session($session_id, $url_id)
  446. {
  447. $table_url_rel_session = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  448. $sql= "DELETE FROM $table_url_rel_session WHERE session_id = ".Database::escape_string($session_id)." AND access_url_id=".Database::escape_string($url_id)." ";
  449. $result = Database::query($sql);
  450. return $result;
  451. }
  452. /**
  453. * Updates the access_url_rel_user table with a given user list
  454. * @author Julio Montoya
  455. * @param array user list
  456. * @param int access_url_id
  457. * */
  458. public static function update_urls_rel_user($user_list,$access_url_id)
  459. {
  460. $table_access_url = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
  461. $table_url_rel_user = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  462. $sql = "SELECT user_id FROM $table_url_rel_user WHERE access_url_id=".Database::escape_string($access_url_id);
  463. $result = Database::query($sql);
  464. $existingUsers = array();
  465. while($row = Database::fetch_array($result)){
  466. $existingUsers[] = $row['user_id'];
  467. }
  468. //adding users
  469. foreach($user_list as $enreg_user) {
  470. if(!in_array($enreg_user, $existingUsers)) {
  471. UrlManager::add_user_to_url($enreg_user,$access_url_id);
  472. }
  473. }
  474. //deleting old users
  475. foreach($existingUsers as $existing_user) {
  476. if(!in_array($existing_user, $user_list)) {
  477. UrlManager::delete_url_rel_user($existing_user,$access_url_id);
  478. }
  479. }
  480. }
  481. /**
  482. * Updates the access_url_rel_course table with a given user list
  483. * @author Julio Montoya
  484. * @param array user list
  485. * @param int access_url_id
  486. * */
  487. public static function update_urls_rel_course($course_list,$access_url_id)
  488. {
  489. $table_course = Database :: get_main_table(TABLE_MAIN_COURSE);
  490. $table_url_rel_course = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
  491. $sql = "SELECT course_code FROM $table_url_rel_course WHERE access_url_id=".Database::escape_string($access_url_id);
  492. $result = Database::query($sql);
  493. $existing_courses = array();
  494. while($row = Database::fetch_array($result)){
  495. $existing_courses[] = $row['course_code'];
  496. }
  497. //adding courses
  498. foreach($course_list as $course) {
  499. if(!in_array($course, $existing_courses)) {
  500. UrlManager::add_course_to_url($course,$access_url_id);
  501. }
  502. }
  503. //deleting old courses
  504. foreach($existing_courses as $existing_course) {
  505. if(!in_array($existing_course, $course_list)) {
  506. UrlManager::delete_url_rel_course($existing_course,$access_url_id);
  507. }
  508. }
  509. }
  510. /**
  511. * Updates the access_url_rel_session table with a given user list
  512. * @author Julio Montoya
  513. * @param array user list
  514. * @param int access_url_id
  515. * */
  516. public static function update_urls_rel_session($session_list,$access_url_id) {
  517. $table_session = Database :: get_main_table(TABLE_MAIN_SESSION);
  518. $table_url_rel_session = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  519. $sql = "SELECT session_id FROM $table_url_rel_session WHERE access_url_id=".Database::escape_string($access_url_id);
  520. $result = Database::query($sql);
  521. $existing_sessions = array();
  522. while($row = Database::fetch_array($result)){
  523. $existing_sessions[] = $row['session_id'];
  524. }
  525. //adding users
  526. foreach($session_list as $session) {
  527. if(!in_array($session, $existing_sessions)) {
  528. if (!empty($session) && !empty($access_url_id)) {
  529. UrlManager::add_session_to_url($session, $access_url_id);
  530. }
  531. }
  532. }
  533. //deleting old users
  534. foreach($existing_sessions as $existing_session) {
  535. if(!in_array($existing_session, $session_list)) {
  536. if (!empty($existing_session) && !empty($access_url_id)) {
  537. UrlManager::delete_url_rel_session($existing_session,$access_url_id);
  538. }
  539. }
  540. }
  541. }
  542. public static function get_access_url_from_user($user_id) {
  543. $table_url_rel_user = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  544. $table_url = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
  545. $sql = "SELECT url, access_url_id FROM $table_url_rel_user url_rel_user INNER JOIN $table_url u
  546. ON (url_rel_user.access_url_id = u.id)
  547. WHERE user_id = ".Database::escape_string($user_id);
  548. $result = Database::query($sql);
  549. $url_list = Database::store_result($result);
  550. return $url_list;
  551. }
  552. public static function get_access_url_from_session($session_id) {
  553. $table_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
  554. $table_url = Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
  555. $sql = "SELECT url, access_url_id FROM $table_url_rel_session url_rel_session INNER JOIN $table_url u
  556. ON (url_rel_session.access_url_id = u.id)
  557. WHERE session_id = ".Database::escape_string($session_id);
  558. $result = Database::query($sql);
  559. $url_list = Database::store_result($result);
  560. return $url_list;
  561. }
  562. /**
  563. *
  564. * */
  565. public static function get_url_id($url)
  566. {
  567. $table_access_url= Database :: get_main_table(TABLE_MAIN_ACCESS_URL);
  568. $sql = "SELECT id FROM $table_access_url WHERE url = '".Database::escape_string($url)."'";
  569. $result = Database::query($sql);
  570. $access_url_id = Database::result($result, 0, 0);
  571. return $access_url_id;
  572. }
  573. }