courses_controller.php 9.9 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * This file contains class used like controller, it should be included inside a dispatcher file (e.g: index.php)
  5. * @author Christian Fasanando <christian1827@gmail.com> - BeezNest
  6. * @package chamilo.auth
  7. */
  8. /**
  9. * Code
  10. * @package chamilo.auth
  11. */
  12. class CoursesController
  13. {
  14. private $toolname;
  15. private $view;
  16. private $model;
  17. /**
  18. * Constructor
  19. */
  20. public function __construct() {
  21. $this->toolname = 'auth';
  22. $actived_theme_path = api_get_template();
  23. $this->view = new View($this->toolname, $actived_theme_path);
  24. $this->model = new AuthLib();
  25. }
  26. /**
  27. * It's used for listing courses,
  28. * render to courses_list view
  29. * @param string action
  30. * @param string confirmation message(optional)
  31. */
  32. public function courses_list($action, $message = '') {
  33. $data = array();
  34. $user_id = api_get_user_id();
  35. $data['user_courses'] = $this->model->get_courses_of_user($user_id);
  36. $data['user_course_categories'] = $this->model->get_user_course_categories();
  37. $data['courses_in_category'] = $this->model->get_courses_in_category();
  38. $data['all_user_categories'] = $this->model->get_user_course_categories();
  39. $data['action'] = $action;
  40. $data['message'] = $message;
  41. // render to the view
  42. $this->view->set_data($data);
  43. $this->view->set_layout('layout');
  44. $this->view->set_template('courses_list');
  45. $this->view->render();
  46. }
  47. /**
  48. * It's used for listing categories,
  49. * render to categories_list view
  50. * @param string action
  51. * @param string confirmation message(optional)
  52. * @param string error message(optional)
  53. */
  54. public function categories_list($action, $message='', $error='') {
  55. $data = array();
  56. $data['user_course_categories'] = $this->model->get_user_course_categories();
  57. $data['action'] = $action;
  58. $data['message'] = $message;
  59. $data['error'] = $error;
  60. // render to the view
  61. $this->view->set_data($data);
  62. $this->view->set_layout('layout');
  63. $this->view->set_template('categories_list');
  64. $this->view->render();
  65. }
  66. /**
  67. * It's used for listing courses with categories,
  68. * render to courses_categories view
  69. * @param string action
  70. * @param string Category code (optional)
  71. */
  72. public function courses_categories($action, $category_code = null, $message = '', $error = '', $content = null) {
  73. $data = array();
  74. $browse_course_categories = $this->model->browse_course_categories();
  75. if ($action == 'display_random_courses') {
  76. $data['browse_courses_in_category'] = $this->model->browse_courses_in_category(null, 10);
  77. } else {
  78. if (!isset($category_code)) {
  79. $category_code = $browse_course_categories[0][1]['code']; // by default first category
  80. }
  81. $data['browse_courses_in_category'] = $this->model->browse_courses_in_category($category_code);
  82. }
  83. $data['browse_course_categories'] = $browse_course_categories;
  84. $data['code'] = Security::remove_XSS($category_code);
  85. // getting all the courses to which the user is subscribed to
  86. $curr_user_id = api_get_user_id();
  87. $user_courses = $this->model->get_courses_of_user($curr_user_id);
  88. $user_coursecodes = array();
  89. // we need only the course codes as these will be used to match against the courses of the category
  90. if ($user_courses != '') {
  91. foreach($user_courses as $key => $value) {
  92. $user_coursecodes[] = $value['code'];
  93. }
  94. }
  95. if (api_is_drh()) {
  96. $courses = CourseManager::get_courses_followed_by_drh(api_get_user_id());
  97. foreach ($courses as $course) {
  98. $user_coursecodes[] = $course['code'];
  99. }
  100. }
  101. $data['user_coursecodes'] = $user_coursecodes;
  102. $data['action'] = $action;
  103. $data['message'] = $message;
  104. $data['content'] = $content;
  105. $data['error'] = $error;
  106. // render to the view
  107. $this->view->set_data($data);
  108. $this->view->set_layout('layout');
  109. $this->view->set_template('courses_categories');
  110. $this->view->render();
  111. }
  112. /**
  113. * Search courses
  114. */
  115. public function search_courses($search_term, $message = '', $error = '') {
  116. $data = array();
  117. $browse_course_categories = $this->model->browse_course_categories();
  118. $data['browse_courses_in_category'] = $this->model->search_courses($search_term);
  119. $data['browse_course_categories'] = $browse_course_categories;
  120. $data['search_term'] = Security::remove_XSS($search_term); //filter before showing in template
  121. // getting all the courses to which the user is subscribed to
  122. $curr_user_id = api_get_user_id();
  123. $user_courses = $this->model->get_courses_of_user($curr_user_id);
  124. $user_coursecodes = array();
  125. // we need only the course codes as these will be used to match against the courses of the category
  126. if ($user_courses != '') {
  127. foreach ($user_courses as $key => $value) {
  128. $user_coursecodes[] = $value['code'];
  129. }
  130. }
  131. $data['user_coursecodes'] = $user_coursecodes;
  132. $data['message'] = $message;
  133. $data['error'] = $error;
  134. $data['action'] = 'display_courses';
  135. // render to the view
  136. $this->view->set_data($data);
  137. $this->view->set_layout('layout');
  138. $this->view->set_template('courses_categories');
  139. $this->view->render();
  140. }
  141. /**
  142. *
  143. */
  144. public function subscribe_user($course_code, $search_term, $category_code) {
  145. $result = $this->model->subscribe_user($course_code);
  146. if (!$result) {
  147. $error = get_lang('CourseRegistrationCodeIncorrect');
  148. } else {
  149. //Redirect directly to the course after subscription
  150. $message = $result['message'];
  151. $content = $result['content'];
  152. }
  153. if (!empty($search_term)) {
  154. $this->search_courses($search_term, $message, $error);
  155. } else {
  156. $this->courses_categories('subcribe', $category_code, $message, $error, $content);
  157. }
  158. return $result;
  159. }
  160. /**
  161. * Create a category
  162. * render to listing view
  163. * @param string Category title
  164. */
  165. public function add_course_category($category_title) {
  166. $result = $this->model->store_course_category($category_title);
  167. $message = '';
  168. if ($result) { $message = get_lang("CourseCategoryStored"); }
  169. else { $error = get_lang('ACourseCategoryWithThisNameAlreadyExists');}
  170. $action = 'sortmycourses';
  171. $this->courses_list($action, $message);
  172. }
  173. /**
  174. * Change course category
  175. * render to listing view
  176. * @param int Course id
  177. * @param int Category id
  178. */
  179. public function change_course_category($courseId, $category_id) {
  180. $result = $this->model->store_changecoursecategory($courseId, $category_id);
  181. $message = '';
  182. if ($result) { $message = get_lang('EditCourseCategorySucces'); }
  183. $action = 'sortmycourses';
  184. $this->courses_list($action, $message);
  185. }
  186. /**
  187. * Move up/down courses inside a category
  188. * render to listing view
  189. * @param string move to up or down
  190. * @param string Course code
  191. * @param int Category id
  192. */
  193. public function move_course($move, $course_code, $category_id) {
  194. $result = $this->model->move_course($move, $course_code, $category_id);
  195. $message = '';
  196. if ($result) { $message = get_lang('CourseSortingDone'); }
  197. $action = 'sortmycourses';
  198. $this->courses_list($action, $message);
  199. }
  200. /**
  201. * Move up/down categories
  202. * render to listing view
  203. * @param string move to up or down
  204. * @param int Category id
  205. */
  206. public function move_category($move, $category_id) {
  207. $result = $this->model->move_category($move, $category_id);
  208. $message = '';
  209. if ($result) { $message = get_lang('CategorySortingDone'); }
  210. $action = 'sortmycourses';
  211. $this->courses_list($action, $message);
  212. }
  213. /**
  214. * Edit course category
  215. * render to listing view
  216. * @param string Category title
  217. * @param int Category id
  218. */
  219. public function edit_course_category($title, $category) {
  220. $result = $this->model->store_edit_course_category($title, $category);
  221. $message = '';
  222. if ($result) { $message = get_lang('CourseCategoryEditStored'); }
  223. $action = 'sortmycourses';
  224. $this->courses_list($action, $message);
  225. }
  226. /**
  227. * Delete a course category
  228. * render to listing view
  229. * @param int Category id
  230. */
  231. public function delete_course_category($category_id) {
  232. $result = $this->model->delete_course_category($category_id);
  233. $message = '';
  234. if ($result) { $message = get_lang('CourseCategoryDeleted'); }
  235. $action = 'sortmycourses';
  236. $this->courses_list($action, $message);
  237. }
  238. /**
  239. * Unsubscribe user from a course
  240. * render to listing view
  241. * @param string Course code
  242. */
  243. public function unsubscribe_user_from_course($courseCode, $search_term = null, $category_code = null) {
  244. $courseInfo = api_get_course_info($courseCode);
  245. $result = $this->model->remove_user_from_course($courseInfo['real_id']);
  246. $message = '';
  247. if ($result) { $message = get_lang('YouAreNowUnsubscribed'); }
  248. $action = 'sortmycourses';
  249. if (!empty($search_term)) {
  250. $this->search_courses($search_term, $message, $error);
  251. } else {
  252. $this->courses_categories('subcribe', $category_code, $message, $error);
  253. }
  254. }
  255. }