courses_controller.php 9.3 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. $data['user_courses'] = $this->model->get_courses_of_user($user_id);
  35. $data['user_course_categories'] = $this->model->get_user_course_categories();
  36. $data['courses_in_category'] = $this->model->get_courses_in_category();
  37. $data['all_user_categories'] = $this->model->get_user_course_categories();
  38. $data['action'] = $action;
  39. $data['message'] = $message;
  40. // render to the view
  41. $this->view->set_data($data);
  42. $this->view->set_layout('layout');
  43. $this->view->set_template('courses_list');
  44. $this->view->render();
  45. }
  46. /**
  47. * It's used for listing categories,
  48. * render to categories_list view
  49. * @param string action
  50. * @param string confirmation message(optional)
  51. * @param string error message(optional)
  52. */
  53. public function categories_list($action, $message='', $error='') {
  54. $data = array();
  55. $data['user_course_categories'] = $this->model->get_user_course_categories();
  56. $data['action'] = $action;
  57. $data['message'] = $message;
  58. $data['error'] = $error;
  59. // render to the view
  60. $this->view->set_data($data);
  61. $this->view->set_layout('layout');
  62. $this->view->set_template('categories_list');
  63. $this->view->render();
  64. }
  65. /**
  66. * It's used for listing courses with categories,
  67. * render to courses_categories view
  68. * @param string action
  69. * @param string Category code (optional)
  70. */
  71. public function courses_categories($action, $category_code = null, $message = '', $error = '') {
  72. $data = array();
  73. $browse_course_categories = $this->model->browse_course_categories();
  74. if ($action == 'display_random_courses') {
  75. $data['browse_courses_in_category'] = $this->model->browse_courses_in_category(null, 20);
  76. } else {
  77. if (!isset($category_code)) {
  78. $category_code = $browse_course_categories[0][1]['code']; // by default first category
  79. }
  80. $data['browse_courses_in_category'] = $this->model->browse_courses_in_category($category_code);
  81. }
  82. $data['browse_course_categories'] = $browse_course_categories;
  83. $data['code'] = Security::remove_XSS($category_code);
  84. // getting all the courses to which the user is subscribed to
  85. $curr_user_id = api_get_user_id();
  86. $user_courses = $this->model->get_courses_of_user($curr_user_id);
  87. $user_coursecodes = array();
  88. // we need only the course codes as these will be used to match against the courses of the category
  89. if ($user_courses != '') {
  90. foreach($user_courses as $key => $value) {
  91. $user_coursecodes[] = $value['code'];
  92. }
  93. }
  94. $data['user_coursecodes'] = $user_coursecodes;
  95. $data['action'] = $action;
  96. $data['message'] = $message;
  97. $data['error'] = $error;
  98. // render to the view
  99. $this->view->set_data($data);
  100. $this->view->set_layout('layout');
  101. $this->view->set_template('courses_categories');
  102. $this->view->render();
  103. }
  104. /**
  105. * Search courses
  106. */
  107. public function search_courses($search_term, $message = '', $error = '') {
  108. $data = array();
  109. $browse_course_categories = $this->model->browse_course_categories();
  110. $data['browse_courses_in_category'] = $this->model->search_courses($search_term);
  111. $data['browse_course_categories'] = $browse_course_categories;
  112. $data['search_term'] = Security::remove_XSS($search_term); //filter before showing in template
  113. // getting all the courses to which the user is subscribed to
  114. $curr_user_id = api_get_user_id();
  115. $user_courses = $this->model->get_courses_of_user($curr_user_id);
  116. $user_coursecodes = array();
  117. // we need only the course codes as these will be used to match against the courses of the category
  118. if ($user_courses != '') {
  119. foreach ($user_courses as $key => $value) {
  120. $user_coursecodes[] = $value['code'];
  121. }
  122. }
  123. $data['user_coursecodes'] = $user_coursecodes;
  124. $data['message'] = $message;
  125. $data['error'] = $error;
  126. $data['action'] = 'display_courses';
  127. // render to the view
  128. $this->view->set_data($data);
  129. $this->view->set_layout('layout');
  130. $this->view->set_template('courses_categories');
  131. $this->view->render();
  132. }
  133. /**
  134. *
  135. */
  136. public function subscribe_user($course_code, $search_term, $category_code) {
  137. $data = array();
  138. $result = $this->model->subscribe_user($course_code);
  139. if (!$result) {
  140. $error = get_lang('CourseRegistrationCodeIncorrect');
  141. } else {
  142. $message = $result;
  143. }
  144. if (!empty($search_term)) {
  145. $this->search_courses($search_term, $message, $error);
  146. } else {
  147. $this->courses_categories('subcribe', $category_code, $message, $error);
  148. }
  149. }
  150. /**
  151. * Create a category
  152. * render to listing view
  153. * @param string Category title
  154. */
  155. public function add_course_category($category_title) {
  156. $result = $this->model->store_course_category($category_title);
  157. $message = '';
  158. if ($result) { $message = get_lang("CourseCategoryStored"); }
  159. else { $error = get_lang('ACourseCategoryWithThisNameAlreadyExists');}
  160. $action = 'sortmycourses';
  161. $this->courses_list($action, $message);
  162. }
  163. /**
  164. * Change course category
  165. * render to listing view
  166. * @param string Course code
  167. * @param int Category id
  168. */
  169. public function change_course_category($course_code, $category_id) {
  170. $result = $this->model->store_changecoursecategory($course_code, $category_id);
  171. $message = '';
  172. if ($result) { $message = get_lang('EditCourseCategorySucces'); }
  173. $action = 'sortmycourses';
  174. $this->courses_list($action, $message);
  175. }
  176. /**
  177. * Move up/down courses inside a category
  178. * render to listing view
  179. * @param string move to up or down
  180. * @param string Course code
  181. * @param int Category id
  182. */
  183. public function move_course($move, $course_code, $category_id) {
  184. $result = $this->model->move_course($move, $course_code, $category_id);
  185. $message = '';
  186. if ($result) { $message = get_lang('CourseSortingDone'); }
  187. $action = 'sortmycourses';
  188. $this->courses_list($action, $message);
  189. }
  190. /**
  191. * Move up/down categories
  192. * render to listing view
  193. * @param string move to up or down
  194. * @param int Category id
  195. */
  196. public function move_category($move, $category_id) {
  197. $result = $this->model->move_category($move, $category_id);
  198. $message = '';
  199. if ($result) { $message = get_lang('CategorySortingDone'); }
  200. $action = 'sortmycourses';
  201. $this->courses_list($action, $message);
  202. }
  203. /**
  204. * Edit course category
  205. * render to listing view
  206. * @param string Category title
  207. * @param int Category id
  208. */
  209. public function edit_course_category($title, $category) {
  210. $result = $this->model->store_edit_course_category($title, $category);
  211. $message = '';
  212. if ($result) { $message = get_lang('CourseCategoryEditStored'); }
  213. $action = 'sortmycourses';
  214. $this->courses_list($action, $message);
  215. }
  216. /**
  217. * Delete a course category
  218. * render to listing view
  219. * @param int Category id
  220. */
  221. public function delete_course_category($category_id) {
  222. $result = $this->model->delete_course_category($category_id);
  223. $message = '';
  224. if ($result) { $message = get_lang('CourseCategoryDeleted'); }
  225. $action = 'sortmycourses';
  226. $this->courses_list($action, $message);
  227. }
  228. /**
  229. * Unsubscribe user from a course
  230. * render to listing view
  231. * @param string Course code
  232. */
  233. public function unsubscribe_user_from_course($course_code) {
  234. $result = $this->model->remove_user_from_course($course_code);
  235. $message = '';
  236. if ($result) { $message = get_lang('YouAreNowUnsubscribed'); }
  237. $action = 'sortmycourses';
  238. $this->courses_list($action, $message);
  239. }
  240. }