courses_controller.php 9.6 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. class CoursesController { // extends Controller {
  9. private $toolname;
  10. private $view;
  11. private $model;
  12. /**
  13. * Constructor
  14. */
  15. public function __construct() {
  16. $this->toolname = 'auth';
  17. $actived_theme_path = api_get_template();
  18. $this->view = new View($this->toolname, $actived_theme_path);
  19. $this->model = new Auth();
  20. }
  21. /**
  22. * It's used for listing courses,
  23. * render to courses_list view
  24. * @param string action
  25. * @param string confirmation message(optional)
  26. */
  27. public function courses_list($action, $message = '') {
  28. $data = array();
  29. $user_id = api_get_user_id();
  30. //$user_courses = $auth->get_courses_of_user($user_id);
  31. $data['user_courses'] = $this->model->get_courses_of_user($user_id);
  32. $data['user_course_categories'] = $this->model->get_user_course_categories();
  33. $data['courses_in_category'] = $this->model->get_courses_in_category();
  34. $data['all_user_categories'] = $this->model->get_user_course_categories();
  35. $data['action'] = $action;
  36. $data['message'] = $message;
  37. // render to the view
  38. $this->view->set_data($data);
  39. $this->view->set_layout('layout');
  40. $this->view->set_template('courses_list');
  41. $this->view->render();
  42. }
  43. /**
  44. * It's used for listing categories,
  45. * render to categories_list view
  46. * @param string action
  47. * @param string confirmation message(optional)
  48. * @param string error message(optional)
  49. */
  50. public function categories_list($action, $message='', $error='') {
  51. $data = array();
  52. $data['user_course_categories'] = $this->model->get_user_course_categories();
  53. $data['action'] = $action;
  54. $data['message'] = $message;
  55. $data['error'] = $error;
  56. // render to the view
  57. $this->view->set_data($data);
  58. $this->view->set_layout('layout');
  59. $this->view->set_template('categories_list');
  60. $this->view->render();
  61. }
  62. /**
  63. * It's used for listing courses with categories,
  64. * render to courses_categories view
  65. * @param string action
  66. * @param string Category code (optional)
  67. */
  68. public function courses_categories($action, $category_code = null, $message = '', $error = '') {
  69. $data = array();
  70. $browse_course_categories = $this->model->browse_course_categories();
  71. if ($action == 'display_random_courses') {
  72. $data['browse_courses_in_category'] = $this->model->browse_courses_in_category(null, 20);
  73. } else {
  74. if (!isset($category_code)) {
  75. $category_code = $browse_course_categories[0][1]['code']; // by default first category
  76. }
  77. $data['browse_courses_in_category'] = $this->model->browse_courses_in_category($category_code);
  78. }
  79. $data['browse_course_categories'] = $browse_course_categories;
  80. $data['code'] = Security::remove_XSS($category_code);
  81. // getting all the courses to which the user is subscribed to
  82. $curr_user_id = api_get_user_id();
  83. $user_courses = $this->model->get_courses_of_user($curr_user_id);
  84. $user_coursecodes = array();
  85. // we need only the course codes as these will be used to match against the courses of the category
  86. if ($user_courses != '') {
  87. foreach($user_courses as $key => $value) {
  88. $user_coursecodes[] = $value['code'];
  89. }
  90. }
  91. $data['user_coursecodes'] = $user_coursecodes;
  92. $data['action'] = $action;
  93. $data['message'] = $message;
  94. $data['error'] = $error;
  95. // render to the view
  96. $this->view->set_data($data);
  97. $this->view->set_layout('layout');
  98. $this->view->set_template('courses_categories');
  99. $this->view->render();
  100. }
  101. /**
  102. * Search courses
  103. */
  104. public function search_courses($search_term, $message = '', $error = '') {
  105. $data = array();
  106. $browse_course_categories = $this->model->browse_course_categories();
  107. $data['browse_courses_in_category'] = $this->model->search_courses($search_term);
  108. $data['browse_course_categories'] = $browse_course_categories;
  109. $data['search_term'] = Security::remove_XSS($search_term); //filter before showing in template
  110. // getting all the courses to which the user is subscribed to
  111. $curr_user_id = api_get_user_id();
  112. $user_courses = $this->model->get_courses_of_user($curr_user_id);
  113. $user_coursecodes = array();
  114. // we need only the course codes as these will be used to match against the courses of the category
  115. if ($user_courses != '') {
  116. foreach ($user_courses as $key => $value) {
  117. $user_coursecodes[] = $value['code'];
  118. }
  119. }
  120. $data['user_coursecodes'] = $user_coursecodes;
  121. $data['message'] = $message;
  122. $data['error'] = $error;
  123. $data['action'] = 'display_courses';
  124. // render to the view
  125. $this->view->set_data($data);
  126. $this->view->set_layout('layout');
  127. $this->view->set_template('courses_categories');
  128. $this->view->render();
  129. }
  130. /**
  131. *
  132. */
  133. public function subscribe_user($course_code, $search_term, $category_code) {
  134. $data = array();
  135. $result = $this->model->subscribe_user($course_code);
  136. if (!$result) {
  137. $error = get_lang('CourseRegistrationCodeIncorrect');
  138. } else {
  139. $message = $result;
  140. }
  141. if (!empty($search_term)) {
  142. $this->search_courses($search_term, $message, $error);
  143. } else {
  144. $this->courses_categories('subcribe', $category_code, $message, $error);
  145. }
  146. }
  147. /**
  148. * Create a category
  149. * render to listing view
  150. * @param string Category title
  151. */
  152. public function add_course_category($category_title) {
  153. $result = $this->model->store_course_category($category_title);
  154. $message = '';
  155. if ($result) { $message = get_lang("CourseCategoryStored"); }
  156. else { $error = get_lang('ACourseCategoryWithThisNameAlreadyExists');}
  157. $action = 'sortmycourses';
  158. $this->courses_list($action, $message);
  159. }
  160. /**
  161. * Change course category
  162. * render to listing view
  163. * @param string Course code
  164. * @param int Category id
  165. */
  166. public function change_course_category($course_code, $category_id) {
  167. $result = $this->model->store_changecoursecategory($course_code, $category_id);
  168. $message = '';
  169. if ($result) { $message = get_lang('EditCourseCategorySucces'); }
  170. $action = 'sortmycourses';
  171. $this->courses_list($action, $message);
  172. }
  173. /**
  174. * Move up/down courses inside a category
  175. * render to listing view
  176. * @param string move to up or down
  177. * @param string Course code
  178. * @param int Category id
  179. */
  180. public function move_course($move, $course_code, $category_id) {
  181. $result = $this->model->move_course($move, $course_code, $category_id);
  182. $message = '';
  183. if ($result) { $message = get_lang('CourseSortingDone'); }
  184. $action = 'sortmycourses';
  185. $this->courses_list($action, $message);
  186. }
  187. /**
  188. * Move up/down categories
  189. * render to listing view
  190. * @param string move to up or down
  191. * @param int Category id
  192. */
  193. public function move_category($move, $category_id) {
  194. $result = $this->model->move_category($move, $category_id);
  195. $message = '';
  196. if ($result) { $message = get_lang('CategorySortingDone'); }
  197. $action = 'sortmycourses';
  198. $this->courses_list($action, $message);
  199. }
  200. /**
  201. * Edit course category
  202. * render to listing view
  203. * @param string Category title
  204. * @param int Category id
  205. */
  206. public function edit_course_category($title, $category) {
  207. $result = $this->model->store_edit_course_category($title, $category);
  208. $message = '';
  209. if ($result) { $message = get_lang('CourseCategoryEditStored'); }
  210. $action = 'sortmycourses';
  211. $this->courses_list($action, $message);
  212. }
  213. /**
  214. * Delete a course category
  215. * render to listing view
  216. * @param int Category id
  217. */
  218. public function delete_course_category($category_id) {
  219. $result = $this->model->delete_course_category($category_id);
  220. $message = '';
  221. if ($result) { $message = get_lang('CourseCategoryDeleted'); }
  222. $action = 'sortmycourses';
  223. $this->courses_list($action, $message);
  224. }
  225. /**
  226. * Unsubscribe user from a course
  227. * render to listing view
  228. * @param string Course code
  229. */
  230. public function unsubscribe_user_from_course($course_code) {
  231. $result = $this->model->remove_user_from_course($course_code);
  232. $message = '';
  233. if ($result) { $message = get_lang('YouAreNowUnsubscribed'); }
  234. $action = 'sortmycourses';
  235. $this->courses_list($action, $message);
  236. }
  237. }