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. /**
  9. * Code
  10. * @package chamilo.auth
  11. */
  12. class CoursesController { // extends Controller {
  13. private $toolname;
  14. private $view;
  15. private $model;
  16. /**
  17. * Constructor
  18. */
  19. public function __construct() {
  20. $this->toolname = 'auth';
  21. $actived_theme_path = api_get_template();
  22. $this->view = new View($this->toolname, $actived_theme_path);
  23. $this->model = new Auth();
  24. }
  25. /**
  26. * It's used for listing courses,
  27. * render to courses_list view
  28. * @param string action
  29. * @param string confirmation message(optional)
  30. */
  31. public function courses_list($action, $message = '') {
  32. $data = array();
  33. $user_id = api_get_user_id();
  34. //$user_courses = $auth->get_courses_of_user($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 = '') {
  73. $data = array();
  74. $browse_course_categories = $this->model->browse_course_categories();
  75. if ($action == 'display_random_courses') {
  76. $data['browse_courses_in_category'] = $this->model->browse_courses_in_category(null, 20);
  77. } else {
  78. if (!isset($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. $data['user_coursecodes'] = $user_coursecodes;
  96. $data['action'] = $action;
  97. $data['message'] = $message;
  98. $data['error'] = $error;
  99. // render to the view
  100. $this->view->set_data($data);
  101. $this->view->set_layout('layout');
  102. $this->view->set_template('courses_categories');
  103. $this->view->render();
  104. }
  105. /**
  106. * Search courses
  107. */
  108. public function search_courses($search_term, $message = '', $error = '') {
  109. $data = array();
  110. $browse_course_categories = $this->model->browse_course_categories();
  111. $data['browse_courses_in_category'] = $this->model->search_courses($search_term);
  112. $data['browse_course_categories'] = $browse_course_categories;
  113. $data['search_term'] = Security::remove_XSS($search_term); //filter before showing in template
  114. // getting all the courses to which the user is subscribed to
  115. $curr_user_id = api_get_user_id();
  116. $user_courses = $this->model->get_courses_of_user($curr_user_id);
  117. $user_coursecodes = array();
  118. // we need only the course codes as these will be used to match against the courses of the category
  119. if ($user_courses != '') {
  120. foreach ($user_courses as $key => $value) {
  121. $user_coursecodes[] = $value['code'];
  122. }
  123. }
  124. $data['user_coursecodes'] = $user_coursecodes;
  125. $data['message'] = $message;
  126. $data['error'] = $error;
  127. $data['action'] = 'display_courses';
  128. // render to the view
  129. $this->view->set_data($data);
  130. $this->view->set_layout('layout');
  131. $this->view->set_template('courses_categories');
  132. $this->view->render();
  133. }
  134. /**
  135. *
  136. */
  137. public function subscribe_user($course_code, $search_term, $category_code) {
  138. $data = array();
  139. $result = $this->model->subscribe_user($course_code);
  140. if (!$result) {
  141. $error = get_lang('CourseRegistrationCodeIncorrect');
  142. } else {
  143. $message = $result;
  144. }
  145. if (!empty($search_term)) {
  146. $this->search_courses($search_term, $message, $error);
  147. } else {
  148. $this->courses_categories('subcribe', $category_code, $message, $error);
  149. }
  150. }
  151. /**
  152. * Create a category
  153. * render to listing view
  154. * @param string Category title
  155. */
  156. public function add_course_category($category_title) {
  157. $result = $this->model->store_course_category($category_title);
  158. $message = '';
  159. if ($result) { $message = get_lang("CourseCategoryStored"); }
  160. else { $error = get_lang('ACourseCategoryWithThisNameAlreadyExists');}
  161. $action = 'sortmycourses';
  162. $this->courses_list($action, $message);
  163. }
  164. /**
  165. * Change course category
  166. * render to listing view
  167. * @param string Course code
  168. * @param int Category id
  169. */
  170. public function change_course_category($course_code, $category_id) {
  171. $result = $this->model->store_changecoursecategory($course_code, $category_id);
  172. $message = '';
  173. if ($result) { $message = get_lang('EditCourseCategorySucces'); }
  174. $action = 'sortmycourses';
  175. $this->courses_list($action, $message);
  176. }
  177. /**
  178. * Move up/down courses inside a category
  179. * render to listing view
  180. * @param string move to up or down
  181. * @param string Course code
  182. * @param int Category id
  183. */
  184. public function move_course($move, $course_code, $category_id) {
  185. $result = $this->model->move_course($move, $course_code, $category_id);
  186. $message = '';
  187. if ($result) { $message = get_lang('CourseSortingDone'); }
  188. $action = 'sortmycourses';
  189. $this->courses_list($action, $message);
  190. }
  191. /**
  192. * Move up/down categories
  193. * render to listing view
  194. * @param string move to up or down
  195. * @param int Category id
  196. */
  197. public function move_category($move, $category_id) {
  198. $result = $this->model->move_category($move, $category_id);
  199. $message = '';
  200. if ($result) { $message = get_lang('CategorySortingDone'); }
  201. $action = 'sortmycourses';
  202. $this->courses_list($action, $message);
  203. }
  204. /**
  205. * Edit course category
  206. * render to listing view
  207. * @param string Category title
  208. * @param int Category id
  209. */
  210. public function edit_course_category($title, $category) {
  211. $result = $this->model->store_edit_course_category($title, $category);
  212. $message = '';
  213. if ($result) { $message = get_lang('CourseCategoryEditStored'); }
  214. $action = 'sortmycourses';
  215. $this->courses_list($action, $message);
  216. }
  217. /**
  218. * Delete a course category
  219. * render to listing view
  220. * @param int Category id
  221. */
  222. public function delete_course_category($category_id) {
  223. $result = $this->model->delete_course_category($category_id);
  224. $message = '';
  225. if ($result) { $message = get_lang('CourseCategoryDeleted'); }
  226. $action = 'sortmycourses';
  227. $this->courses_list($action, $message);
  228. }
  229. /**
  230. * Unsubscribe user from a course
  231. * render to listing view
  232. * @param string Course code
  233. */
  234. public function unsubscribe_user_from_course($course_code) {
  235. $result = $this->model->remove_user_from_course($course_code);
  236. $message = '';
  237. if ($result) { $message = get_lang('YouAreNowUnsubscribed'); }
  238. $action = 'sortmycourses';
  239. $this->courses_list($action, $message);
  240. }
  241. }