subscribe_user.php 31 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt*/
  3. /**
  4. * This script allows teachers to subscribe existing users
  5. * to their course.
  6. * @package chamilo.user
  7. */
  8. /**
  9. * Code
  10. */
  11. // name of the language file that needs to be included
  12. $language_file = array('registration','admin');
  13. require_once '../inc/global.inc.php';
  14. $current_course_tool = TOOL_USER;
  15. // the section (for the tabs)
  16. $this_section = SECTION_COURSES;
  17. // notice for unauthorized people.
  18. api_protect_course_script(true);
  19. // access restriction
  20. if (!api_is_allowed_to_edit()) {
  21. api_not_allowed(true);
  22. }
  23. $tool_name = get_lang("SubscribeUserToCourse");
  24. if ($_REQUEST['type']=='teacher') {
  25. $tool_name = get_lang("SubscribeUserToCourseAsTeacher");
  26. }
  27. //extra entries in breadcrumb
  28. $interbreadcrumb[] = array ("url" => "user.php", "name" => get_lang("ToolUser"));
  29. if ($_GET['keyword']) {
  30. $interbreadcrumb[] = array ("url" => "subscribe_user.php?type=".Security::remove_XSS($_GET['type']), "name" => $tool_name);
  31. $tool_name = get_lang('SearchResults');
  32. }
  33. Display :: display_header($tool_name, "User");
  34. // api_display_tool_title($tool_name);
  35. // Build search-form
  36. echo '<div class="actions">';
  37. if (isset($_GET['keyword'])) {
  38. $actions .= '<a href="subscribe_user.php?type='.Security::remove_XSS($_REQUEST['type']).'">'.Display::return_icon('clean_group.gif').' '.get_lang('ClearSearchResults').'</a>';
  39. }
  40. if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value'])) {
  41. $actions .= '<a href="subscribe_user.php?type='.Security::remove_XSS($_REQUEST['type']).'">'.Display::return_icon('clean_group.gif').' '.get_lang('ClearFilterResults').'</a>';
  42. }
  43. if (api_get_setting('ProfilingFilterAddingUsers') == 'true') {
  44. display_extra_profile_fields_filter();
  45. }
  46. // Build search-form
  47. $form = new FormValidator('search_user', 'get', '', '', null, false);
  48. $renderer = & $form->defaultRenderer();
  49. $renderer->setElementTemplate('<span>{element}</span> ');
  50. $form->add_textfield('keyword', '', false);
  51. $form->addElement('hidden', 'type', Security::remove_XSS($_REQUEST['type']));
  52. $form->addElement('style_submit_button', 'submit', get_lang('SearchButton'), 'class="search"');
  53. $form->addElement('static', 'additionalactions', null, $actions);
  54. $form->display();
  55. echo '</div>';
  56. /*
  57. MAIN SECTION
  58. */
  59. $current_session_id = api_get_session_id();
  60. $list_register_user='';
  61. $list_not_register_user='';
  62. if (isset ($_REQUEST['register'])) {
  63. if (isset($_REQUEST['type']) && $_REQUEST['type']=='teacher') {
  64. if (!empty($current_session_id)) {
  65. $result_simple_sub = SessionManager::set_coach_to_course_session(intval($_REQUEST['user_id']), $current_session_id, $_course['sysCode']);
  66. } else {
  67. $result_simple_sub = CourseManager :: subscribe_user(intval($_REQUEST['user_id']), $_course['sysCode'],COURSEMANAGER);
  68. }
  69. } else {
  70. $result_simple_sub=CourseManager :: subscribe_user(intval($_REQUEST['user_id']), $_course['sysCode']);
  71. }
  72. $user_id_temp=$_SESSION['session_user_id'];
  73. if (is_array($user_id_temp)) {
  74. $counter = count($user_id_temp);
  75. for ($j=0; $j<$counter;$j++) {
  76. if ($user_id_temp[$j]==$_GET['user_id']) {
  77. if ($result_simple_sub) {
  78. Display::display_confirmation_message($_SESSION['session_user_name'][$j].' '.get_lang('langAddedToCourse'));
  79. } else {
  80. Display::display_error_message($_SESSION['session_user_name'][$j].' '.get_lang('NotAddedToCourse'));
  81. }
  82. }
  83. }
  84. unset($_SESSION['session_user_id']);
  85. unset($_SESSION['session_user_name']);
  86. }
  87. }
  88. if (isset ($_POST['action'])) {
  89. switch ($_POST['action']) {
  90. case 'subscribe' :
  91. if (is_array($_POST['user'])) {
  92. foreach ($_POST['user'] as $index => $user_id) {
  93. $user_id=intval($user_id);
  94. if(isset($_REQUEST['type']) && $_REQUEST['type']=='teacher') {
  95. if (!empty($current_session_id)) {
  96. $is_suscribe[] = SessionManager::set_coach_to_course_session($user_id, $current_session_id, $_course['sysCode']);
  97. } else {
  98. $is_suscribe[]=CourseManager :: subscribe_user($user_id, $_course['sysCode'],COURSEMANAGER);
  99. }
  100. } else {
  101. $is_suscribe[]=CourseManager :: subscribe_user($user_id, $_course['sysCode']);
  102. }
  103. $is_suscribe_user_id[]=$user_id;
  104. }
  105. }
  106. $user_id_temp=$_SESSION['session_user_id'];
  107. $user_name_temp=$_SESSION['session_user_name'];
  108. unset($_SESSION['session_user_id']);
  109. unset($_SESSION['session_user_name']);
  110. $counter=0;
  111. $is_suscribe_counter=count($is_suscribe_user_id);
  112. $list_register_user='';
  113. //if ($$is_suscribe_counter!=1) {
  114. for ($i=0; $i<$is_suscribe_counter;$i++) {
  115. for ($j=0; $j<count($user_id_temp);$j++) {
  116. if ($is_suscribe_user_id[$i]==$user_id_temp[$j]) {
  117. if ($is_suscribe[$i]) {
  118. $list_register_user.=" - ".$user_name_temp[$j].'<br/>';
  119. $temp_unique_user=$user_name_temp[$j];
  120. $counter++;
  121. } else {
  122. $list_not_register_user.=" - ".$user_name_temp[$j].'<br/>';
  123. }
  124. }
  125. }
  126. }
  127. //} else {
  128. //$list_register_user=$temp_unique_user; // only 1 user register
  129. //}
  130. if (!empty($list_register_user)) {
  131. if ($is_suscribe_counter==1) {
  132. $register_user_message=$temp_unique_user.' '.get_lang('langAddedToCourse');
  133. Display::display_confirmation_message($register_user_message,false);
  134. } else {
  135. $register_user_message='<br />'.get_lang('UsersRegistered').'<br/><br />'.$list_register_user;
  136. Display::display_confirmation_message($register_user_message,false);
  137. }
  138. }
  139. if (!empty($list_not_register_user)) {
  140. $not_register_user_message='<br />'.get_lang('UsersNotRegistered').'<br/><br /><br />'.$list_not_register_user;
  141. Display::display_error_message($not_register_user_message,false);
  142. }
  143. break;
  144. }
  145. }
  146. if (!empty($_SESSION['session_user_id'])) {
  147. unset($_SESSION['session_user_id']);
  148. }
  149. if (!empty($_SESSION['session_user_name'])) {
  150. unset($_SESSION['session_user_name']);
  151. }
  152. $is_western_name_order = api_is_western_name_order();
  153. $sort_by_first_name = api_sort_by_first_name();
  154. // Build table
  155. $table = new SortableTable('subscribe_users', 'get_number_of_users', 'get_user_data', ($is_western_name_order xor $sort_by_first_name) ? 3 : 2);
  156. $parameters['keyword'] = Security::remove_XSS($_REQUEST['keyword']);
  157. $parameters ['type'] = Security::remove_XSS($_REQUEST['type']);
  158. $table->set_additional_parameters($parameters);
  159. $col = 0;
  160. $table->set_header($col ++, '', false);
  161. $table->set_header($col ++, get_lang('OfficialCode'));
  162. if (api_is_western_name_order()) {
  163. $table->set_header($col ++, get_lang('FirstName'));
  164. $table->set_header($col ++, get_lang('LastName'));
  165. } else {
  166. $table->set_header($col ++, get_lang('LastName'));
  167. $table->set_header($col ++, get_lang('FirstName'));
  168. }
  169. if (api_get_setting('show_email_addresses') == 'true') {
  170. $table->set_header($col ++, get_lang('Email'));
  171. $table->set_column_filter($col -1, 'email_filter');
  172. }
  173. $table->set_header($col ++, get_lang('Active'),false);
  174. $table->set_column_filter($col -1, 'active_filter');
  175. $table->set_header($col ++, get_lang('Actions'), false);
  176. $table->set_column_filter($col -1, 'reg_filter');
  177. $table->set_form_actions(array ('subscribe' => get_lang('reg')), 'user');
  178. if (!empty($_POST['keyword'])) {
  179. $keyword_name=Security::remove_XSS($_POST['keyword']);
  180. echo '<br/>'.get_lang('SearchResultsFor').' <span style="font-style: italic ;"> '.$keyword_name.' </span><br>';
  181. }
  182. // Display table
  183. $table->display();
  184. // footer
  185. Display :: display_footer();
  186. /* SHOW LIST OF USERS */
  187. /**
  188. * * Get the users to display on the current page.
  189. */
  190. function get_number_of_users() {
  191. global $_configuration;
  192. // Database table definition
  193. $user_table = Database::get_main_table(TABLE_MAIN_USER);
  194. $course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  195. $tbl_session_rel_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  196. $table_user_field_values = Database::get_main_table(TABLE_MAIN_USER_FIELD_VALUES);
  197. if (isset($_REQUEST['type']) && $_REQUEST['type']=='teacher') {
  198. if (api_get_session_id() != 0) {
  199. $sql = "SELECT COUNT(u.user_id)
  200. FROM $user_table u
  201. LEFT JOIN $tbl_session_rel_course_user cu on u.user_id = cu.id_user and course_code='".api_get_course_id()."' AND id_session ='".api_get_session_id()."'
  202. WHERE cu.id_user IS NULL AND u.status=1 AND (u.official_code <> 'ADMIN' OR u.official_code IS NULL) ";
  203. if ($_configuration['multiple_access_urls']) {
  204. $url_access_id = api_get_current_access_url_id();
  205. if ($url_access_id !=-1) {
  206. $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  207. $sql = "SELECT COUNT(u.user_id) FROM $user_table u
  208. LEFT JOIN $tbl_session_rel_course_user cu on u.user_id = cu.id_user and course_code='".api_get_course_id()."' AND id_session ='".api_get_session_id()."'
  209. INNER JOIN $tbl_url_rel_user as url_rel_user
  210. ON (url_rel_user.user_id = u.user_id)
  211. WHERE cu.id_user IS NULL AND access_url_id= $url_access_id AND u.status=1 AND (u.official_code <> 'ADMIN' OR u.official_code IS NULL) ";
  212. }
  213. }
  214. } else {
  215. $sql = "SELECT COUNT(u.user_id) FROM $user_table u LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".api_get_course_id()."'
  216. WHERE cu.user_id IS NULL AND u.status<>".DRH." ";
  217. if ($_configuration['multiple_access_urls']) {
  218. $url_access_id = api_get_current_access_url_id();
  219. if ($url_access_id !=-1) {
  220. $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  221. $sql = "SELECT COUNT(u.user_id) FROM $user_table u
  222. LEFT JOIN $course_user_table cu on u.user_id = cu.user_id AND course_code='".api_get_course_id()."'
  223. INNER JOIN $tbl_url_rel_user as url_rel_user
  224. ON (url_rel_user.user_id = u.user_id)
  225. WHERE cu.user_id IS NULL AND u.status<>".DRH." AND access_url_id= $url_access_id ";
  226. }
  227. }
  228. }
  229. } else {
  230. // students
  231. if (api_get_session_id() != 0) {
  232. $sql = "SELECT COUNT(u.user_id)
  233. FROM $user_table u
  234. LEFT JOIN $tbl_session_rel_course_user cu on u.user_id = cu.id_user and course_code='".api_get_course_id()."' AND id_session ='".api_get_session_id()."'
  235. WHERE cu.id_user IS NULL AND u.status<>".DRH." AND (u.official_code <> 'ADMIN' OR u.official_code IS NULL) ";
  236. if ($_configuration['multiple_access_urls']) {
  237. $url_access_id = api_get_current_access_url_id();
  238. if ($url_access_id !=-1) {
  239. $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  240. $sql = "SELECT COUTN(u.user_id)
  241. FROM $user_table u
  242. LEFT JOIN $tbl_session_rel_course_user cu on u.user_id = cu.id_user and course_code='".api_get_course_id()."' AND id_session ='".api_get_session_id()."'
  243. INNER JOIN $tbl_url_rel_user as url_rel_user
  244. ON (url_rel_user.user_id = u.user_id)
  245. WHERE cu.id_user IS NULL AND u.status<>".DRH." AND access_url_id= $url_access_id AND (u.official_code <> 'ADMIN' OR u.official_code IS NULL) ";
  246. }
  247. }
  248. } else {
  249. $sql = "SELECT COUNT(u.user_id)
  250. FROM $user_table u
  251. LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'";
  252. // we change the SQL when we have a filter
  253. if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value']) AND api_get_setting('ProfilingFilterAddingUsers') == 'true'){
  254. $field_identification = explode('*',$_GET['subscribe_user_filter_value']);
  255. $sql .= "
  256. LEFT JOIN $table_user_field_values field_values
  257. ON field_values.user_id = u.user_id
  258. WHERE cu.user_id IS NULL AND u.status<>".DRH."
  259. AND field_values.field_id = '".Database::escape_string($field_identification[0])."'
  260. AND field_values.field_value = '".Database::escape_string($field_identification[1])."'";
  261. } else {
  262. $sql .= "WHERE cu.user_id IS NULL AND u.status<>".DRH." ";
  263. }
  264. if (isset($_configuration['multiple_access_urls']) && $_configuration['multiple_access_urls']) {
  265. $url_access_id = api_get_current_access_url_id();
  266. if ($url_access_id !=-1) {
  267. $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  268. $sql = "SELECT COUNT(u.user_id)
  269. FROM $user_table u
  270. LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'
  271. INNER JOIN $tbl_url_rel_user as url_rel_user
  272. ON (url_rel_user.user_id = u.user_id)
  273. WHERE cu.user_id IS NULL AND access_url_id= $url_access_id AND u.status<>".DRH." ";
  274. }
  275. }
  276. }
  277. }
  278. // when there is a keyword then we are searching and we have to change the SQL statement
  279. if (isset ($_GET['keyword']) AND !empty($_GET['keyword'])) {
  280. $keyword = Database::escape_string(trim($_REQUEST['keyword']));
  281. $sql .= " AND (firstname LIKE '%".$keyword."%' OR lastname LIKE '%".$keyword."%' OR email LIKE '%".$keyword."%' OR username LIKE '%".$keyword."%' OR official_code LIKE '%".$keyword."%')";
  282. // we also want to search for users who have something in their profile fields that matches the keyword
  283. if (api_get_setting('ProfilingFilterAddingUsers') == 'true') {
  284. $additional_users = search_additional_profile_fields($keyword);
  285. }
  286. // getting all the users of the course (to make sure that we do not display users that are already in the course)
  287. if (!empty($_SESSION["id_session"])) {
  288. $a_course_users = CourseManager :: get_user_list_from_course_code($_SESSION['_course']['id'], $_SESSION['id_session']);
  289. } else {
  290. $a_course_users = CourseManager :: get_user_list_from_course_code($_SESSION['_course']['id'], 0);
  291. }
  292. foreach ($a_course_users as $user_id=>$course_user) {
  293. $users_of_course[] = $course_user['user_id'];
  294. }
  295. }
  296. $sql .=" AND u.status <> ".ANONYMOUS." ";
  297. $res = Database::query($sql);
  298. $count_user = 0;
  299. if ($res) {
  300. $row = Database::fetch_row($res);
  301. $count_user = $row[0];
  302. }
  303. /* @todo seems not to be used
  304. // we add 1 for every additional user (a user where the keyword matches one of the additional profile fields)
  305. // that is not yet in the course and not yet in the search result
  306. if (isset ($_REQUEST['keyword']) AND api_get_setting('ProfilingFilterAddingUsers') == 'true') {
  307. foreach($additional_users as $additional_user_key=>$additional_user_value){
  308. if (!in_array($additional_user_key,$users) AND !in_array($additional_user_key,$users_of_course)){
  309. $result++;
  310. }
  311. }
  312. }
  313. */
  314. return $count_user;
  315. }
  316. /**
  317. * Get the users to display on the current page.
  318. */
  319. function get_user_data($from, $number_of_items, $column, $direction) {
  320. global $_course, $_configuration;;
  321. // Database table definitions
  322. $user_table = Database::get_main_table(TABLE_MAIN_USER);
  323. $course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
  324. $tbl_session_rel_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  325. $table_user_field_values = Database::get_main_table(TABLE_MAIN_USER_FIELD_VALUES);
  326. // adding teachers
  327. $is_western_name_order = api_is_western_name_order();
  328. if (api_get_setting('show_email_addresses') == 'true') {
  329. $select_fields = "u.user_id AS col0,
  330. u.official_code AS col1,
  331. ".($is_western_name_order
  332. ? "u.firstname AS col2,
  333. u.lastname AS col3,"
  334. : "u.lastname AS col2,
  335. u.firstname AS col3,")."
  336. u.email AS col4,
  337. u.active AS col5,
  338. u.user_id AS col6";
  339. } else {
  340. $select_fields = "u.user_id AS col0,
  341. u.official_code AS col1,
  342. ".($is_western_name_order
  343. ? "u.firstname AS col2,
  344. u.lastname AS col3,"
  345. : "u.lastname AS col2,
  346. u.firstname AS col3,")."
  347. u.active AS col4,
  348. u.user_id AS col5";
  349. }
  350. if (isset($_REQUEST['type']) && $_REQUEST['type']=='teacher') {
  351. // adding a teacher through a session
  352. if (!empty($_SESSION["id_session"])) {
  353. $sql = "SELECT $select_fields
  354. FROM $user_table u
  355. LEFT JOIN $tbl_session_rel_course_user cu on u.user_id = cu.id_user AND course_code='".$_SESSION['_course']['id']."' AND id_session ='".$_SESSION["id_session"]."' ";
  356. // applying the filter of the additional user profile fields
  357. if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value']) AND api_get_setting('ProfilingFilterAddingUsers') == 'true') {
  358. $field_identification = explode('*',$_GET['subscribe_user_filter_value']);
  359. $sql .= "
  360. LEFT JOIN $table_user_field_values field_values
  361. ON field_values.user_id = u.user_id
  362. WHERE cu.id_user IS NULL AND u.status=1 AND (u.official_code <> 'ADMIN' OR u.official_code IS NULL)
  363. AND field_values.field_id = '".Database::escape_string($field_identification[0])."'
  364. AND field_values.field_value = '".Database::escape_string($field_identification[1])."'";
  365. } else {
  366. $sql .= "WHERE cu.id_user IS NULL AND u.status=1 AND (u.official_code <> 'ADMIN' OR u.official_code IS NULL) ";
  367. }
  368. } else {
  369. // adding a teacher NOT through a session
  370. $sql = "SELECT $select_fields
  371. FROM $user_table u
  372. LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'";
  373. // applying the filter of the additional user profile fields
  374. if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value']) AND api_get_setting('ProfilingFilterAddingUsers') == 'true'){
  375. $field_identification = explode('*',$_GET['subscribe_user_filter_value']);
  376. $sql .= "
  377. LEFT JOIN $table_user_field_values field_values
  378. ON field_values.user_id = u.user_id
  379. WHERE cu.user_id IS NULL AND u.status<>".DRH."
  380. AND field_values.field_id = '".Database::escape_string($field_identification[0])."'
  381. AND field_values.field_value = '".Database::escape_string($field_identification[1])."'";
  382. } else {
  383. $sql .= "WHERE cu.user_id IS NULL AND u.status<>".DRH." ";
  384. }
  385. // adding a teacher NOT trough a session on a portal with multiple URLs
  386. if ($_configuration['multiple_access_urls']) {
  387. $url_access_id = api_get_current_access_url_id();
  388. if ($url_access_id !=-1) {
  389. $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  390. $sql = "SELECT $select_fields
  391. FROM $user_table u
  392. LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'
  393. INNER JOIN $tbl_url_rel_user as url_rel_user ON (url_rel_user.user_id = u.user_id) ";
  394. // applying the filter of the additional user profile fields
  395. if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value']) AND api_get_setting('ProfilingFilterAddingUsers') == 'true'){
  396. $field_identification = explode('*',$_GET['subscribe_user_filter_value']);
  397. $sql .= "
  398. LEFT JOIN $table_user_field_values field_values
  399. ON field_values.user_id = u.user_id
  400. WHERE cu.user_id IS NULL AND u.status<>".DRH."
  401. AND field_values.field_id = '".Database::escape_string($field_identification[0])."'
  402. AND field_values.field_value = '".Database::escape_string($field_identification[1])."'";
  403. } else {
  404. $sql .= "WHERE cu.user_id IS NULL AND u.status<>".DRH." AND access_url_id= $url_access_id ";
  405. }
  406. }
  407. }
  408. }
  409. } else {
  410. // adding a student
  411. if (!empty($_SESSION["id_session"])) {
  412. $sql = "SELECT $select_fields
  413. FROM $user_table u
  414. LEFT JOIN $tbl_session_rel_course_user cu on u.user_id = cu.id_user and course_code='".$_SESSION['_course']['id']."' AND id_session ='".$_SESSION["id_session"]."' ";
  415. // applying the filter of the additional user profile fields
  416. if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value'])){
  417. $field_identification = explode('*',$_GET['subscribe_user_filter_value']);
  418. $sql .= "
  419. LEFT JOIN $table_user_field_values field_values
  420. ON field_values.user_id = u.user_id
  421. WHERE cu.id_user IS NULL AND u.status<>".DRH." AND (u.official_code <> 'ADMIN' OR u.official_code IS NULL)
  422. AND field_values.field_id = '".Database::escape_string($field_identification[0])."'
  423. AND field_values.field_value = '".Database::escape_string($field_identification[1])."'";
  424. } else {
  425. $sql .= "WHERE cu.id_user IS NULL AND u.status<>".DRH." AND (u.official_code <> 'ADMIN' OR u.official_code IS NULL) ";
  426. }
  427. } else {
  428. $sql = "SELECT $select_fields
  429. FROM $user_table u
  430. LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'";
  431. // applying the filter of the additional user profile fields
  432. if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value'])){
  433. $field_identification = explode('*',$_GET['subscribe_user_filter_value']);
  434. $sql .= "
  435. LEFT JOIN $table_user_field_values field_values
  436. ON field_values.user_id = u.user_id
  437. WHERE cu.user_id IS NULL AND u.status<>".DRH."
  438. AND field_values.field_id = '".Database::escape_string($field_identification[0])."'
  439. AND field_values.field_value = '".Database::escape_string($field_identification[1])."'";
  440. } else {
  441. $sql .= "WHERE cu.user_id IS NULL AND u.status<>".DRH." ";
  442. }
  443. //showing only the courses of the current Dokeos access_url_id
  444. global $_configuration;
  445. if (isset($_configuration['multiple_access_urls']) && $_configuration['multiple_access_urls']) {
  446. $url_access_id = api_get_current_access_url_id();
  447. if ($url_access_id !=-1) {
  448. $tbl_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
  449. $sql = "SELECT $select_fields
  450. FROM $user_table u
  451. LEFT JOIN $course_user_table cu on u.user_id = cu.user_id and course_code='".$_SESSION['_course']['id']."'
  452. INNER JOIN $tbl_url_rel_user as url_rel_user
  453. ON (url_rel_user.user_id = u.user_id) ";
  454. // applying the filter of the additional user profile fields
  455. if (isset($_GET['subscribe_user_filter_value']) AND !empty($_GET['subscribe_user_filter_value']) AND api_get_setting('ProfilingFilterAddingUsers') == 'true'){
  456. $field_identification = explode('*',$_GET['subscribe_user_filter_value']);
  457. $sql .= "
  458. LEFT JOIN $table_user_field_values field_values
  459. ON field_values.user_id = u.user_id
  460. WHERE cu.user_id IS NULL AND u.status<>".DRH."
  461. AND field_values.field_id = '".Database::escape_string($field_identification[0])."'
  462. AND field_values.field_value = '".Database::escape_string($field_identification[1])."' AND access_url_id= $url_access_id ";
  463. } else {
  464. $sql .= "WHERE cu.user_id IS NULL AND u.status<>".DRH." AND access_url_id= $url_access_id ";
  465. }
  466. }
  467. }
  468. }
  469. }
  470. // adding additional WHERE statements to the SQL for the search functionality
  471. if (isset ($_REQUEST['keyword'])) {
  472. $keyword = Database::escape_string(trim($_REQUEST['keyword']));
  473. $sql .= " AND (firstname LIKE '%".$keyword."%' OR lastname LIKE '%".$keyword."%' OR email LIKE '%".$keyword."%' OR username LIKE '%".$keyword."%' OR official_code LIKE '%".$keyword."%')";
  474. if (api_get_setting('ProfilingFilterAddingUsers') == 'true') {
  475. // we also want to search for users who have something in their profile fields that matches the keyword
  476. $additional_users = search_additional_profile_fields($keyword);
  477. }
  478. // getting all the users of the course (to make sure that we do not display users that are already in the course)
  479. if (!empty($_SESSION["id_session"])) {
  480. $a_course_users = CourseManager :: get_user_list_from_course_code($_SESSION['_course']['id'], $_SESSION['id_session']);
  481. } else {
  482. $a_course_users = CourseManager :: get_user_list_from_course_code($_SESSION['_course']['id'], 0);
  483. }
  484. foreach ($a_course_users as $user_id=>$course_user) {
  485. $users_of_course[] = $course_user['user_id'];
  486. }
  487. }
  488. $sql .=" AND u.status != ".ANONYMOUS." ";
  489. // Sorting and pagination (used by the sortable table)
  490. $sql .= " ORDER BY col$column $direction ";
  491. $sql .= " LIMIT $from,$number_of_items";
  492. $res = Database::query($sql);
  493. $users = array ();
  494. while ($user = Database::fetch_row($res)) {
  495. $users[] = $user;
  496. $_SESSION['session_user_id'][] = $user[0];
  497. if ($is_western_name_order) {
  498. $_SESSION['session_user_name'][] = api_get_person_name($user[2], $user[3]);
  499. } else {
  500. $_SESSION['session_user_name'][] = api_get_person_name($user[3], $user[2]);
  501. }
  502. }
  503. // adding additional users based on the search on the additional profile fields
  504. if (isset ($_REQUEST['keyword'])){
  505. if (is_array($additional_users)) {
  506. foreach($additional_users as $additional_user_key=>$additional_user_value){
  507. if (!in_array($additional_user_key,$_SESSION['session_user_id']) AND !in_array($additional_user_key,$users_of_course)){
  508. $users[]= array($additional_user_value['col0'],$additional_user_value['col1'],$additional_user_value['col2'].'*',$additional_user_value['col3'].'*',$additional_user_value['col4'],$additional_user_value['col5'], $additional_user_value['col6']);
  509. }
  510. }
  511. }
  512. }
  513. return $users;
  514. }
  515. /**
  516. * Returns a mailto-link
  517. * @param string $email An email-address
  518. * @return string HTML-code with a mailto-link
  519. */
  520. function email_filter($email) {
  521. return Display :: encrypted_mailto_link($email, $email);
  522. }
  523. /**
  524. * Build the reg-column of the table
  525. * @param int $user_id The user id
  526. * @return string Some HTML-code
  527. */
  528. function reg_filter($user_id) {
  529. if(isset($_REQUEST['type']) && $_REQUEST['type']=='teacher') $type='teacher'; else $type='student';
  530. $result = '<a class="btn btn-small" href="'.api_get_self().'?register=yes&type='.$type.'&user_id='.$user_id.'">'.get_lang("reg").'</a>';
  531. return $result;
  532. }
  533. /**
  534. * Build the active-column of the table to lock or unlock a certain user
  535. * lock = the user can no longer use this account
  536. * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
  537. * @param int $active the current state of the account
  538. * @param int $user_id The user id
  539. * @param string $url_params
  540. * @return string Some HTML-code with the lock/unlock button
  541. */
  542. function active_filter($active, $url_params, $row) {
  543. global $_user;
  544. if ($active=='1') {
  545. $action='AccountActive';
  546. $image='accept';
  547. }
  548. if ($active=='0') {
  549. $action='AccountInactive';
  550. $image='error';
  551. }
  552. if ($row['0']<>$_user['user_id']) { // you cannot lock yourself out otherwise you could disable all the accounts including your own => everybody is locked out and nobody can change it anymore.
  553. $result = '<center>'.Display::return_icon($image.'.png', get_lang(ucfirst($action)), array('border'=>'0', 'style'=>'vertical-align: middle;') , 16).'</center>';
  554. }
  555. return $result;
  556. }
  557. /**
  558. * Search the additional user profile fields defined by the platform administrator in
  559. * platform administration > profiling for a given keyword.
  560. * We not only search in the predefined options but also in the input fields wherer
  561. * the user can enter some text.
  562. *
  563. * For this we get the additional profile field options that match the (search) keyword,
  564. * then we find all the users who have entered the (search)keyword in a input field of the
  565. * additional profile fields or have chosen one of the matching predefined options
  566. *
  567. * @param string $keyword a keyword we are looking for in the additional profile fields
  568. * @return array $additional_users an array with the users who have an additional profile field that matches the keyword
  569. */
  570. function search_additional_profile_fields($keyword)
  571. {
  572. // database table definitions
  573. $table_user_field_options = Database :: get_main_table(TABLE_MAIN_USER_FIELD_OPTIONS);
  574. $table_user_field_values = Database::get_main_table(TABLE_MAIN_USER_FIELD_VALUES);
  575. $table_user = Database::get_main_table(TABLE_MAIN_USER);
  576. $table_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
  577. $table_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
  578. // getting the field option text that match this keyword (for radio buttons and checkboxes)
  579. $sql_profiling = "SELECT * FROM $table_user_field_options WHERE option_display_text LIKE '%".$keyword."%'";
  580. $result_profiling = Database::query($sql_profiling);
  581. while ($profiling_field_options = Database::fetch_array($result_profiling)) {
  582. $profiling_field_options_exact_values[] = $profiling_field_options;
  583. }
  584. foreach ($profiling_field_options_exact_values as $profilingkey=>$profilingvalue){
  585. $profiling_field_options_exact_values_sql .= "OR (field_id = '".$profilingvalue['field_id']."' AND field_value='".$profilingvalue['option_value']."') ";
  586. }
  587. // getting all the user ids of the users who have chosen on of the predefined fields that contain the keyword
  588. // or all the users who have entered the keyword in a free-form field
  589. $sql_profiling_values = "SELECT user.user_id as col0, user.official_code as col1, user.lastname as col2, user.firstname as col3, user.email as col4, user.active as col5, user.user_id as col6
  590. FROM $table_user user, $table_user_field_values user_values
  591. WHERE user.user_id = user_values.user_id
  592. AND ( field_value LIKE '%".$keyword."%'
  593. ".$profiling_field_options_exact_values_sql.")";
  594. $result_profiling_values = Database::query($sql_profiling_values);
  595. while ($profiled_users = Database::fetch_array($result_profiling_values)) {
  596. $additional_users[$profiled_users['col0']] = $profiled_users;
  597. }
  598. return $additional_users;
  599. }
  600. /**
  601. * This function displays a dropdown list with all the additional user profile fields defined by the platform administrator in
  602. * platform administration > profiling. Only the fields that have predefined fields are usefull for such a filter.
  603. *
  604. */
  605. function display_extra_profile_fields_filter() {
  606. // getting all the additional user profile fields
  607. $extra = UserManager::get_extra_fields(0,50,5,'ASC');
  608. $return='<option value="">'.get_lang('SelectFilter').'</option>';
  609. // looping through the additional user profile fields
  610. foreach($extra as $id => $field_details) {
  611. // $field_details[2] contains the type of the additional user profile field
  612. switch($field_details[2]) {
  613. // text fields cannot be used as a filter
  614. case UserManager::USER_FIELD_TYPE_TEXT:
  615. break;
  616. // text area fields cannot be used as a filter
  617. case UserManager::USER_FIELD_TYPE_TEXTAREA:
  618. break;
  619. case UserManager::USER_FIELD_TYPE_RADIO:
  620. case UserManager::USER_FIELD_TYPE_SELECT:
  621. case UserManager::USER_FIELD_TYPE_SELECT_MULTIPLE:
  622. $return .= '<optgroup label="'.$field_details[3].'">';
  623. foreach($field_details[9] as $option_id => $option_details) {
  624. if ($_GET['subscribe_user_filter_value'] == $field_details[0].'*'.$option_details[1]) {
  625. $selected = 'selected="selected"';
  626. } else {
  627. $selected = false;
  628. }
  629. $return .= '<option value="'.$field_details[0].'*'.$option_details[1].'" '.$selected.'>'.$option_details[2].'</option>';
  630. }
  631. $return .= '</optgroup>';
  632. break;
  633. }
  634. }
  635. echo '<form id="subscribe_user_filter" name="subscribe_user_filter" method="get" action="'.api_get_self().'?api_get_cidreq" style="float:left;">';
  636. echo ' <input type="hidden" name="type" id="type" value="'.Security::remove_XSS($_REQUEST['type']).'" />';
  637. echo '<select name="subscribe_user_filter_value" id="subscribe_user_filter_value">'.$return.'</select>';
  638. echo '<button type="submit" name="submit_filter" id="submit_filter" value="" class="search">'.get_lang('Filter').'</button>';
  639. echo '</form>';
  640. }