course_request.lib.php 27 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * Course request manager
  5. * @package chamilo.library
  6. *
  7. * @author José Manuel Abuin Mosquera <chema@cesga.es>, 2010
  8. * @author Bruno Rubio Gayo <brubio@cesga.es>, 2010
  9. * Centro de Supercomputacion de Galicia (CESGA)
  10. *
  11. * @author Ivan Tcholakov <ivantcholakov@gmail.com> (technical adaptation for Chamilo 1.8.8), 2010
  12. */
  13. /**
  14. * Code
  15. */
  16. define(COURSE_REQUEST_PENDING, 0);
  17. define(COURSE_REQUEST_ACCEPTED, 1);
  18. define(COURSE_REQUEST_REJECTED, 2);
  19. /**
  20. * Course request manager
  21. * @package chamilo.library
  22. */
  23. class CourseRequestManager {
  24. /**
  25. * Checks whether a given course code has been already occupied.
  26. * @param string $wanted_course_code The code to be checked.
  27. * @return string
  28. * Returns TRUE if there is created:
  29. * - a course with the same code OR visual_code (visualcode).
  30. * - a course request with the same code as the given one, or
  31. * Othewise returns FALSE.
  32. */
  33. public static function course_code_exists($wanted_course_code) {
  34. if ($code_exists = CourseManager::course_code_exists($wanted_course_code)) {
  35. return $code_exists;
  36. }
  37. $table_course_request = Database :: get_main_table(TABLE_MAIN_COURSE_REQUEST);
  38. $wanted_course_code = Database::escape_string($wanted_course_code);
  39. $sql = sprintf('SELECT COUNT(id) AS number FROM %s WHERE visual_code = "%s"', $table_course_request, $wanted_course_code);
  40. $result = Database::fetch_array(Database::query($sql));
  41. return $result['number'] > 0;
  42. }
  43. /**
  44. * Creates a new course request within the database.
  45. * @param string $wanted_code The code for the created in the future course.
  46. * @param string $title
  47. * @param string $description
  48. * @param string $category_code
  49. * @param string $course_language
  50. * @param string $objetives
  51. * @param string $target_audience
  52. * @param int/string $user_id
  53. * @return int/bool The database id of the newly created course request or FALSE on failure.
  54. */
  55. public static function create_course_request($wanted_code, $title, $description, $category_code, $course_language, $objetives, $target_audience, $user_id, $exemplary_content) {
  56. $wanted_code = trim($wanted_code);
  57. $user_id = (int)$user_id;
  58. $exemplary_content = (bool)$exemplary_content ? 1 : 0;
  59. if ($wanted_code == '') {
  60. return false;
  61. }
  62. if (self::course_code_exists($wanted_code)) {
  63. return false;
  64. }
  65. if ($user_id <= 0) {
  66. return false;
  67. }
  68. $user_info = api_get_user_info($user_id);
  69. if (!is_array($user_info)) {
  70. return false;
  71. }
  72. $tutor_name = api_get_person_name($user_info['firstname'], $user_info['lastname'], null, null, $course_language);
  73. $request_date = api_get_utc_datetime();
  74. $status = COURSE_REQUEST_PENDING;
  75. $info = 0;
  76. $keys = define_course_keys($wanted_code, '', $_configuration['db_prefix']);
  77. if (!count($keys)) {
  78. return false;
  79. }
  80. $visual_code = $keys['currentCourseCode'];
  81. $code = $keys['currentCourseId'];
  82. $db_name = $keys['currentCourseDbName'];
  83. $directory = $keys['currentCourseRepository'];
  84. $sql = sprintf('INSERT INTO %s (
  85. code, user_id, directory, db_name,
  86. course_language, title, description, category_code,
  87. tutor_name, visual_code, request_date,
  88. objetives, target_audience, status, info, exemplary_content)
  89. VALUES (
  90. "%s", "%s", "%s", "%s",
  91. "%s", "%s", "%s", "%s",
  92. "%s", "%s", "%s",
  93. "%s", "%s", "%s", "%s", "%s");', Database::get_main_table(TABLE_MAIN_COURSE_REQUEST),
  94. Database::escape_string($code), Database::escape_string($user_id), Database::escape_string($directory), Database::escape_string($db_name),
  95. Database::escape_string($course_language), Database::escape_string($title), Database::escape_string($description), Database::escape_string($category_code),
  96. Database::escape_string($tutor_name), Database::escape_string($visual_code), Database::escape_string($request_date),
  97. Database::escape_string($objetives), Database::escape_string($target_audience), Database::escape_string($status), Database::escape_string($info), Database::escape_string($exemplary_content));
  98. $result_sql = Database::query($sql);
  99. if (!$result_sql) {
  100. return false;
  101. }
  102. $last_insert_id = Database::get_last_insert_id();
  103. // E-mail notifications.
  104. // E-mail language: The platform language seems to be the best choice.
  105. //$email_language = $course_language;
  106. //$email_language = api_get_interface_language();
  107. $email_language = api_get_setting('platformLanguage');
  108. $email_subject = sprintf(get_lang('CourseRequestEmailSubject', null, $email_language), '['.api_get_setting('siteName').']', $code);
  109. $email_body = get_lang('CourseRequestMailOpening', null, $email_language)."\n\n";
  110. $email_body .= get_lang('CourseName', null, $email_language).': '.$title."\n";
  111. $email_body .= get_lang('Fac', null, $email_language).': '.$category_code."\n";
  112. $email_body .= get_lang('CourseCode', null, $email_language).': '.$code."\n";
  113. $email_body .= get_lang('Professor', null, $email_language).': '.api_get_person_name($user_info['firstname'], $user_info['lastname'], null, null, $email_language)."\n";
  114. $email_body .= get_lang('Email', null, $email_language).': '.$user_info['mail']."\n";
  115. $email_body .= get_lang('Description', null, $email_language).': '.$description."\n";
  116. $email_body .= get_lang('Objectives', null, $email_language).': '.$objetives."\n";
  117. $email_body .= get_lang('TargetAudience', null, $email_language).': '.$target_audience."\n";
  118. $email_body .= get_lang('Ln', null, $email_language).': '.$course_language."\n";
  119. $email_body .= get_lang('FillWithExemplaryContent', null, $email_language).': '.($exemplary_content ? get_lang('Yes', null, $email_language) : get_lang('No', null, $email_language))."\n";
  120. // Sending an e-mail to the platform administrator.
  121. $email_body_admin = $email_body;
  122. $email_body_admin .= "\n".get_lang('CourseRequestPageForApproval', null, $email_language).' '.api_get_path(WEB_CODE_PATH).'admin/course_request_edit.php?id='.$last_insert_id."\n";
  123. $email_body_admin .= "\n".get_lang('CourseRequestLegalNote', null, $email_language)."\n";
  124. $sender_name_teacher = api_get_person_name($user_info['firstname'], $user_info['lastname'], null, PERSON_NAME_EMAIL_ADDRESS);
  125. $sender_email_teacher = $user_info['mail'];
  126. $recipient_name_admin = api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, PERSON_NAME_EMAIL_ADDRESS);
  127. $recipient_email_admin = get_setting('emailAdministrator');
  128. @api_mail($recipient_name_admin, $recipient_email_admin, $email_subject, $email_body_admin, $sender_name_teacher, $sender_email_teacher);
  129. // Sending an e-mail to the requestor.
  130. $email_body_teacher = get_lang('Dear', null, $email_language).' ';
  131. $email_body_teacher .= api_get_person_name($user_info['firstname'], $user_info['lastname'], null, null, $email_language).",\n\n";
  132. $email_body_teacher .= $email_body;
  133. $email_body_teacher .= "\n".get_lang('Formula', null, $email_language)."\n";
  134. $email_body_teacher .= api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, null, $email_language)."\n";
  135. $email_body_teacher .= get_lang('Manager', null, $email_language).' '.api_get_setting('siteName')."\n";
  136. $email_body_teacher .= get_lang('Phone', null, $email_language).': '.api_get_setting('administratorTelephone')."\n";
  137. $email_body_teacher .= get_lang('Email', null, $email_language).': '.api_get_setting('emailAdministrator', null, $email_language)."\n";
  138. $email_body_teacher .= "\n".get_lang('CourseRequestLegalNote', null, $email_language)."\n";
  139. // Swap the sender and the recipient.
  140. $sender_name_admin = $recipient_name_admin;
  141. $sender_email_admin = $recipient_email_admin;
  142. $recipient_name_teacher = $sender_name_teacher;
  143. $recipient_email_teacher = $sender_email_teacher;
  144. @api_mail($recipient_name_teacher, $recipient_email_teacher, $email_subject, $email_body_teacher, $sender_name_admin, $sender_email_admin);
  145. return $last_insert_id;
  146. }
  147. /**
  148. * Updates a given course request in the database.
  149. * @param int/string $id The id (an integer number) of the corresponding database record.
  150. * @param string $wanted_code The code for the created in the future course.
  151. * @param string $title
  152. * @param string $description
  153. * @param string $category_code
  154. * @param string $course_language
  155. * @param string $objetives
  156. * @param string $target_audience
  157. * @param int/string $user_id
  158. * @return bool Returns TRUE on success or FALSE on failure.
  159. */
  160. public static function update_course_request($id, $wanted_code, $title, $description, $category_code, $course_language, $objetives, $target_audience, $user_id, $exemplary_content) {
  161. $id = (int)$id;
  162. $wanted_code = trim($wanted_code);
  163. $user_id = (int)$user_id;
  164. $exemplary_content = (bool)$exemplary_content ? 1 : 0;
  165. if ($wanted_code == '') {
  166. return false;
  167. }
  168. if ($user_id <= 0) {
  169. return false;
  170. }
  171. // Retrieve request's data
  172. $course_request_info = self::get_course_request_info($id);
  173. if (!is_array($course_request_info)) {
  174. return false;
  175. }
  176. $code = $wanted_code;
  177. $tutor_name = $course_request_info['tutor_name'];
  178. $directory = $course_request_info['directory'];
  179. $db_name = $course_request_info['db_name'];
  180. $visual_code = $course_request_info['visual_code'];
  181. $request_date = $course_request_info['request_date'];
  182. $status = $course_request_info['status'];
  183. $info = $course_request_info['info'];
  184. if ($wanted_code != $course_request_info['code']) {
  185. if (self::course_code_exists($wanted_code)) {
  186. return false;
  187. }
  188. $keys = define_course_keys($wanted_code, '', $_configuration['db_prefix']);
  189. if (count($keys)) {
  190. $visual_code = $keys['currentCourseCode'];
  191. $code = $keys['currentCourseId'];
  192. $db_name = $keys['currentCourseDbName'];
  193. $directory = $keys['currentCourseRepository'];
  194. } else {
  195. return false;
  196. }
  197. }
  198. if ($user_id != $course_request_info['code']) {
  199. $user_info = api_get_user_info($user_id);
  200. if (is_array($user_info)) {
  201. $tutor_name = api_get_person_name($user_info['firstname'], $user_info['lastname'], null, null, $course_language);
  202. } else {
  203. $user_id = $course_request_info['code'];
  204. }
  205. }
  206. if ($course_language != $course_request_info['course_language']) {
  207. $user_info = api_get_user_info($user_id);
  208. if (is_array($user_info)) {
  209. $tutor_name = api_get_person_name($user_info['firstname'], $user_info['lastname'], null, null, $course_language);
  210. }
  211. }
  212. $sql = sprintf('UPDATE %s SET
  213. code = "%s", user_id = "%s", directory = "%s", db_name = "%s",
  214. course_language = "%s", title = "%s", description = "%s", category_code = "%s",
  215. tutor_name = "%s", visual_code = "%s", request_date = "%s",
  216. objetives = "%s", target_audience = "%s", status = "%s", info = "%s", exemplary_content = "%s"
  217. WHERE id = '.$id, Database::get_main_table(TABLE_MAIN_COURSE_REQUEST),
  218. Database::escape_string($code), Database::escape_string($user_id), Database::escape_string($directory), Database::escape_string($db_name),
  219. Database::escape_string($course_language), Database::escape_string($title), Database::escape_string($description), Database::escape_string($category_code),
  220. Database::escape_string($tutor_name), Database::escape_string($visual_code), Database::escape_string($request_date),
  221. Database::escape_string($objetives), Database::escape_string($target_audience), Database::escape_string($status), Database::escape_string($info), Database::escape_string($exemplary_content));
  222. $result_sql = Database::query($sql);
  223. return $result_sql !== false;
  224. }
  225. /**
  226. * Deletes a given course request.
  227. * @param int/string $id The id (an integer number) of the corresponding database record.
  228. * @return bool Returns TRUE on success or FALSE on failure.
  229. */
  230. public static function delete_course_request($id) {
  231. $id = (int)$id;
  232. $sql = "DELETE FROM ".Database :: get_main_table(TABLE_MAIN_COURSE_REQUEST)." WHERE id = ".$id;
  233. $result = Database::query($sql);
  234. return $result !== false;
  235. }
  236. public static function count_course_requests($status = null) {
  237. $course_table = Database :: get_main_table(TABLE_MAIN_COURSE_REQUEST);
  238. if (is_null($status)) {
  239. $sql = "SELECT COUNT(id) AS number FROM ".$course_table;
  240. } else {
  241. $status = (int)$status;
  242. $sql = "SELECT COUNT(id) AS number FROM ".$course_table." WHERE status = ".$status;
  243. }
  244. $result = Database::fetch_array(Database::query($sql));
  245. if (is_array($result)) {
  246. return $result['number'];
  247. }
  248. return false;
  249. }
  250. /**
  251. * Gets all the information about a course request using its database id as an access key.
  252. * @param int/string $id The id (an integer number) of the corresponding database record.
  253. * @return array/bool Returns the requested data as an array or FALSE on failure.
  254. */
  255. public static function get_course_request_info($id) {
  256. $id = (int)$id;
  257. $sql = "SELECT * FROM ".Database :: get_main_table(TABLE_MAIN_COURSE_REQUEST)." WHERE id = ".$id;
  258. $result = Database::query($sql);
  259. if (Database::num_rows($result) > 0) {
  260. return Database::fetch_array($result);
  261. }
  262. return false;
  263. }
  264. /**
  265. * Gets the code of a given course request using its database id as an access key.
  266. * @param int/string $id The id (an integer number) of the corresponding database record.
  267. * @return string/bool Returns the requested requested code or FALSE on failure.
  268. */
  269. public static function get_course_request_code($id) {
  270. $id = (int)$id;
  271. $sql = "SELECT code FROM ".Database :: get_main_table(TABLE_MAIN_COURSE_REQUEST)." WHERE id = ".$id;
  272. $result = Database::query($sql);
  273. if (Database::num_rows($result) > 0) {
  274. $result_array = Database::fetch_array($result, 'NUM');
  275. if (is_array($result_array)) {
  276. return $result_array[0];
  277. }
  278. }
  279. return false;
  280. }
  281. /**
  282. * Accepts a given by its id course request. The requested course gets created immediately after the request acceptance.
  283. * @param int/string $id The id (an integer number) of the corresponding database record.
  284. * @return string/bool Returns the code of the newly created course or FALSE on failure.
  285. */
  286. public static function accept_course_request($id) {
  287. $id = (int)$id;
  288. // Retrieve request's data
  289. $course_request_info = self::get_course_request_info($id);
  290. if (!is_array($course_request_info)) {
  291. return false;
  292. }
  293. // Make all the checks again before the new course creation.
  294. $wanted_code = $course_request_info['code'];
  295. if (CourseManager::course_code_exists($wanted_code)) {
  296. return false;
  297. }
  298. $title = $course_request_info['title'];
  299. $category_code = $course_request_info['category_code'];
  300. $course_language = $course_request_info['course_language'];
  301. $exemplary_content = intval($course_request_info['exemplary_content']) > 0;
  302. $user_id = (int)$course_request_info['user_id'];
  303. if ($user_id <= 0) {
  304. return false;
  305. }
  306. $user_info = api_get_user_info($user_id);
  307. if (!is_array($user_info)) {
  308. return false;
  309. }
  310. $tutor_name = api_get_person_name($user_info['firstname'], $user_info['lastname'], null, null, $course_language);
  311. // Create the requested course.
  312. $keys = define_course_keys($wanted_code, '', $_configuration['db_prefix']);
  313. if (!count($keys)) {
  314. return false;
  315. }
  316. $visual_code = $keys['currentCourseCode'];
  317. $code = $keys['currentCourseId'];
  318. $db_name = $keys['currentCourseDbName'];
  319. $directory = $keys['currentCourseRepository'];
  320. $expiration_date = time() + $firstExpirationDelay;
  321. prepare_course_repository($directory, $code);
  322. update_Db_course($db_name);
  323. $pictures_array = fill_course_repository($directory, $exemplary_content);
  324. fill_Db_course($db_name, $directory, $course_language, $pictures_array, $exemplary_content);
  325. register_course($code, $visual_code, $directory, $db_name, $tutor_name, $category_code, $title, $course_language, $user_id, $expiration_date);
  326. // Mark the request as accepted.
  327. $sql = "UPDATE ".Database :: get_main_table(TABLE_MAIN_COURSE_REQUEST)." SET status = ".COURSE_REQUEST_ACCEPTED." WHERE id = ".$id;
  328. Database::query($sql);
  329. // E-mail notification.
  330. // E-mail language: The platform language seems to be the best choice.
  331. //$email_language = $course_language;
  332. //$email_language = api_get_interface_language();
  333. $email_language = api_get_setting('platformLanguage');
  334. $email_subject = sprintf(get_lang('CourseRequestAcceptedEmailSubject', null, $email_language), '['.api_get_setting('siteName').']', $wanted_code);
  335. $email_body = get_lang('Dear', null, $email_language).' ';
  336. $email_body .= api_get_person_name($user_info['firstname'], $user_info['lastname'], null, null, $email_language).",\n\n";
  337. $email_body .= sprintf(get_lang('CourseRequestAcceptedEmailText', null, $email_language), $wanted_code, $code, api_get_path(WEB_COURSE_PATH).$directory.'/')."\n";
  338. $email_body .= "\n".get_lang('Formula', null, $email_language)."\n";
  339. $email_body .= api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, null, $email_language)."\n";
  340. $email_body .= get_lang('Manager', null, $email_language).' '.api_get_setting('siteName')."\n";
  341. $email_body .= get_lang('Phone', null, $email_language).': '.api_get_setting('administratorTelephone')."\n";
  342. $email_body .= get_lang('Email', null, $email_language).': '.api_get_setting('emailAdministrator', null, $email_language)."\n";
  343. $email_body .= "\n".get_lang('CourseRequestLegalNote', null, $email_language)."\n";
  344. $sender_name = api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, PERSON_NAME_EMAIL_ADDRESS);
  345. $sender_email = get_setting('emailAdministrator');
  346. $recipient_name = api_get_person_name($user_info['firstname'], $user_info['lastname'], null, PERSON_NAME_EMAIL_ADDRESS);
  347. $recipient_email = $user_info['mail'];
  348. $extra_headers = 'Bcc: '.$sender_email;
  349. @api_mail($recipient_name, $recipient_email, $email_subject, $email_body, $sender_name, $sender_email);
  350. return $code;
  351. }
  352. /**
  353. * Rejects a given course request.
  354. * @param int/string $id The id (an integer number) of the corresponding database record.
  355. * @return bool Returns TRUE on success or FALSE on failure.
  356. */
  357. public static function reject_course_request($id) {
  358. $id = (int)$id;
  359. // Retrieve request's data
  360. $course_request_info = self::get_course_request_info($id);
  361. if (!is_array($course_request_info)) {
  362. return false;
  363. }
  364. $user_id = intval($course_request_info['user_id']);
  365. if ($user_id <= 0) {
  366. return false;
  367. }
  368. $user_info = api_get_user_info($user_id);
  369. if (!is_array($user_info)) {
  370. return false;
  371. }
  372. $code = $course_request_info['code'];
  373. $sql = "UPDATE ".Database :: get_main_table(TABLE_MAIN_COURSE_REQUEST)." SET status = ".COURSE_REQUEST_REJECTED." WHERE id = ".$id;
  374. if (Database::query($sql) === false) {
  375. return false;
  376. }
  377. // E-mail notification.
  378. // E-mail language: The platform language seems to be the best choice.
  379. //$email_language = $course_language;
  380. //$email_language = api_get_interface_language();
  381. $email_language = api_get_setting('platformLanguage');
  382. $email_subject = sprintf(get_lang('CourseRequestRejectedEmailSubject', null, $email_language), '['.api_get_setting('siteName').']', $code);
  383. $email_body = get_lang('Dear', null, $email_language).' ';
  384. $email_body .= api_get_person_name($user_info['firstname'], $user_info['lastname'], null, null, $email_language).",\n\n";
  385. $email_body .= sprintf(get_lang('CourseRequestRejectedEmailText', null, $email_language), $code)."\n";
  386. $email_body .= "\n".get_lang('Formula', null, $email_language)."\n";
  387. $email_body .= api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, null, $email_language)."\n";
  388. $email_body .= get_lang('Manager', null, $email_language).' '.api_get_setting('siteName')."\n";
  389. $email_body .= get_lang('Phone', null, $email_language).': '.api_get_setting('administratorTelephone')."\n";
  390. $email_body .= get_lang('Email', null, $email_language).': '.api_get_setting('emailAdministrator', null, $email_language)."\n";
  391. $email_body .= "\n".get_lang('CourseRequestLegalNote', null, $email_language)."\n";
  392. $sender_name = api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, PERSON_NAME_EMAIL_ADDRESS);
  393. $sender_email = get_setting('emailAdministrator');
  394. $recipient_name = api_get_person_name($user_info['firstname'], $user_info['lastname'], null, PERSON_NAME_EMAIL_ADDRESS);
  395. $recipient_email = $user_info['mail'];
  396. $extra_headers = 'Bcc: '.$sender_email;
  397. @api_mail($recipient_name, $recipient_email, $email_subject, $email_body, $sender_name, $sender_email);
  398. return true;
  399. }
  400. /**
  401. * Asks the author (through e-mail) for additional information about the given course request.
  402. * @param int/string $id The database primary id of the given request.
  403. * @return bool Returns TRUE on success or FALSE on failure.
  404. */
  405. public static function ask_for_additional_info($id) {
  406. $id = (int)$id;
  407. // Retrieve request's data
  408. $course_request_info = self::get_course_request_info($id);
  409. if (!is_array($course_request_info)) {
  410. return false;
  411. }
  412. $user_id = intval($course_request_info['user_id']);
  413. if ($user_id <= 0) {
  414. return false;
  415. }
  416. $user_info = api_get_user_info($user_id);
  417. if (!is_array($user_info)) {
  418. return false;
  419. }
  420. $code = $course_request_info['code'];
  421. $info = intval($course_request_info['info']);
  422. // Error is to be returned on a repeated attempt for asking additional information.
  423. if (!empty($info)) {
  424. return false;
  425. }
  426. // E-mail notification.
  427. // E-mail language: The platform language seems to be the best choice.
  428. //$email_language = $course_language;
  429. //$email_language = api_get_interface_language();
  430. $email_language = api_get_setting('platformLanguage');
  431. $email_subject = sprintf(get_lang('CourseRequestAskInfoEmailSubject', null, $email_language), '['.api_get_setting('siteName').']', $code);
  432. $email_body = get_lang('Dear', null, $email_language).' ';
  433. $email_body .= api_get_person_name($user_info['firstname'], $user_info['lastname'], null, null, $email_language).",\n\n";
  434. $email_body .= sprintf(get_lang('CourseRequestAskInfoEmailText', null, $email_language), $code)."\n";
  435. $email_body .= "\n".get_lang('Formula', null, $email_language)."\n";
  436. $email_body .= api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, null, $email_language)."\n";
  437. $email_body .= get_lang('Manager', null, $email_language).' '.api_get_setting('siteName')."\n";
  438. $email_body .= get_lang('Phone', null, $email_language).': '.api_get_setting('administratorTelephone')."\n";
  439. $email_body .= get_lang('Email', null, $email_language).': '.api_get_setting('emailAdministrator', null, $email_language)."\n";
  440. $email_body .= "\n".get_lang('CourseRequestLegalNote', null, $email_language)."\n";
  441. $sender_name = api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, PERSON_NAME_EMAIL_ADDRESS);
  442. $sender_email = get_setting('emailAdministrator');
  443. $recipient_name = api_get_person_name($user_info['firstname'], $user_info['lastname'], null, PERSON_NAME_EMAIL_ADDRESS);
  444. $recipient_email = $user_info['mail'];
  445. $extra_headers = 'Bcc: '.$sender_email;
  446. $result = @api_mail($recipient_name, $recipient_email, $email_subject, $email_body, $sender_name, $sender_email);
  447. if (!$result) {
  448. return false;
  449. }
  450. // Marking the fact that additional information about the request has been asked.
  451. $sql = "UPDATE ".Database :: get_main_table(TABLE_MAIN_COURSE_REQUEST)." SET info = 1 WHERE id = ".$id;
  452. $result = Database::query($sql) !== false;
  453. return $result;
  454. }
  455. /**
  456. * Checks whether additional information about the given course request has been asked.
  457. * @param int/string $id The database primary id of the given request.
  458. * @return bool Returns TRUE if additional information has been asked or FALSE otherwise.
  459. */
  460. public static function additional_info_asked($id) {
  461. $id = (int)$id;
  462. $sql = "SELECT id FROM ".Database :: get_main_table(TABLE_MAIN_COURSE_REQUEST)." WHERE (id = ".$id." AND info > 0)";
  463. $result = Database::num_rows(Database::query($sql));
  464. return !empty($result);
  465. }
  466. }