courses_controller.php 9.4 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. * Controller script. Prepares the common background variables to give to the scripts corresponding to
  10. * the requested action
  11. * @package chamilo.auth
  12. */
  13. class CoursesController { // extends Controller {
  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. $this->model = new Auth();
  25. }
  26. /**
  27. * It's used for listing courses,
  28. * render to courses_list view
  29. * @param string action
  30. * @param string confirmation message(optional)
  31. */
  32. public function courses_list($action, $message = '') {
  33. $data = array();
  34. $user_id = api_get_user_id();
  35. //$user_courses = $auth->get_courses_of_user($user_id);
  36. $data['user_courses'] = $this->model->get_courses_of_user($user_id);
  37. $data['user_course_categories'] = $this->model->get_user_course_categories();
  38. $data['courses_in_category'] = $this->model->get_courses_in_category();
  39. $data['all_user_categories'] = $this->model->get_user_course_categories();
  40. $data['action'] = $action;
  41. $data['message'] = $message;
  42. // render to the view
  43. $this->view->set_data($data);
  44. $this->view->set_layout('layout');
  45. $this->view->set_template('courses_list');
  46. $this->view->render();
  47. }
  48. /**
  49. * It's used for listing categories,
  50. * render to categories_list view
  51. * @param string action
  52. * @param string confirmation message(optional)
  53. * @param string error message(optional)
  54. */
  55. public function categories_list($action, $message='', $error='') {
  56. $data = array();
  57. $data['user_course_categories'] = $this->model->get_user_course_categories();
  58. $data['action'] = $action;
  59. $data['message'] = $message;
  60. $data['error'] = $error;
  61. // render to the view
  62. $this->view->set_data($data);
  63. $this->view->set_layout('layout');
  64. $this->view->set_template('categories_list');
  65. $this->view->render();
  66. }
  67. /**
  68. * It's used for listing courses with categories,
  69. * render to courses_categories view
  70. * @param string action
  71. * @param string Category code (optional)
  72. */
  73. public function courses_categories($action, $category_code = null, $message = '', $error = '') {
  74. $data = array();
  75. $browse_course_categories = $this->model->browse_course_categories();
  76. if (!isset($category_code)) {
  77. $category_code = $browse_course_categories[0][1]['code']; // by default first category
  78. }
  79. $data['browse_courses_in_category'] = $this->model->browse_courses_in_category($category_code);
  80. $data['browse_course_categories'] = $browse_course_categories;
  81. $data['code'] = $category_code;
  82. // getting all the courses to which the user is subscribed to
  83. $curr_user_id = api_get_user_id();
  84. $user_courses = $this->model->get_courses_of_user($curr_user_id);
  85. $user_coursecodes = array();
  86. // we need only the course codes as these will be used to match against the courses of the category
  87. if ($user_courses != '') {
  88. foreach ($user_courses as $key => $value) {
  89. $user_coursecodes[] = $value['code'];
  90. }
  91. }
  92. $data['user_coursecodes'] = $user_coursecodes;
  93. $data['action'] = $action;
  94. $data['message'] = $message;
  95. $data['error'] = $error;
  96. // render to the view
  97. $this->view->set_data($data);
  98. $this->view->set_layout('layout');
  99. $this->view->set_template('courses_categories');
  100. $this->view->render();
  101. }
  102. /**
  103. *
  104. */
  105. public function search_courses($search_term, $message = '', $error = '') {
  106. $data = array();
  107. $browse_course_categories = $this->model->browse_course_categories();
  108. $data['browse_courses_in_category'] = $this->model->search_courses($search_term);
  109. $data['browse_course_categories'] = $browse_course_categories;
  110. $data['search_term'] = $search_term;
  111. // getting all the courses to which the user is subscribed to
  112. $curr_user_id = api_get_user_id();
  113. $user_courses = $this->model->get_courses_of_user($curr_user_id);
  114. $user_coursecodes = array();
  115. // we need only the course codes as these will be used to match against the courses of the category
  116. if ($user_courses != '') {
  117. foreach ($user_courses as $key => $value) {
  118. $user_coursecodes[] = $value['code'];
  119. }
  120. }
  121. $data['user_coursecodes'] = $user_coursecodes;
  122. $data['message'] = $message;
  123. $data['error'] = $error;
  124. $data['action'] = 'display_courses';
  125. // render to the view
  126. $this->view->set_data($data);
  127. $this->view->set_layout('layout');
  128. $this->view->set_template('courses_categories');
  129. $this->view->render();
  130. }
  131. /**
  132. *
  133. */
  134. public function subscribe_user($course_code, $search_term, $category_code) {
  135. $data = array();
  136. $result = $this->model->subscribe_user($course_code);
  137. if (!$result) {
  138. $error = get_lang('CourseRegistrationCodeIncorrect');
  139. } else {
  140. $message = $result;
  141. }
  142. if (!empty($search_term)) {
  143. $this->search_courses($search_term, $message, $error);
  144. } else {
  145. $this->courses_categories('subcribe', $category_code, $message, $error);
  146. }
  147. }
  148. /**
  149. * Create a category
  150. * render to listing view
  151. * @param string Category title
  152. */
  153. public function add_course_category($category_title) {
  154. $result = $this->model->store_course_category($category_title);
  155. $message = '';
  156. if ($result) { $message = get_lang("CourseCategoryStored"); }
  157. else { $error = get_lang('ACourseCategoryWithThisNameAlreadyExists');}
  158. $action = 'createcoursecategory';
  159. $this->categories_list($action, $message, $error);
  160. }
  161. /**
  162. * Change course category
  163. * render to listing view
  164. * @param string Course code
  165. * @param int Category id
  166. */
  167. public function change_course_category($course_code, $category_id) {
  168. $result = $this->model->store_changecoursecategory($course_code, $category_id);
  169. $message = '';
  170. if ($result) { $message = get_lang('EditCourseCategorySucces'); }
  171. $action = 'sortmycourses';
  172. $this->courses_list($action, $message);
  173. }
  174. /**
  175. * Move up/down courses inside a category
  176. * render to listing view
  177. * @param string move to up or down
  178. * @param string Course code
  179. * @param int Category id
  180. */
  181. public function move_course($move, $course_code, $category_id) {
  182. $result = $this->model->move_course($move, $course_code, $category_id);
  183. $message = '';
  184. if ($result) { $message = get_lang('CourseSortingDone'); }
  185. $action = 'sortmycourses';
  186. $this->courses_list($action, $message);
  187. }
  188. /**
  189. * Move up/down categories
  190. * render to listing view
  191. * @param string move to up or down
  192. * @param int Category id
  193. */
  194. public function move_category($move, $category_id) {
  195. $result = $this->model->move_category($move, $category_id);
  196. $message = '';
  197. if ($result) { $message = get_lang('CategorySortingDone'); }
  198. $action = 'sortmycourses';
  199. $this->courses_list($action, $message);
  200. }
  201. /**
  202. * Edit course category
  203. * render to listing view
  204. * @param string Category title
  205. * @param int Category id
  206. */
  207. public function edit_course_category($title, $category) {
  208. $result = $this->model->store_edit_course_category($title, $category);
  209. $message = '';
  210. if ($result) { $message = get_lang('CourseCategoryEditStored'); }
  211. $action = 'sortmycourses';
  212. $this->courses_list($action, $message);
  213. }
  214. /**
  215. * Delete a course category
  216. * render to listing view
  217. * @param int Category id
  218. */
  219. public function delete_course_category($category_id) {
  220. $result = $this->model->delete_course_category($category_id);
  221. $message = '';
  222. if ($result) { $message = get_lang('CourseCategoryDeleted'); }
  223. $action = 'sortmycourses';
  224. $this->courses_list($action, $message);
  225. }
  226. /**
  227. * Unsubscribe user from a course
  228. * render to listing view
  229. * @param string Course code
  230. */
  231. public function unsubscribe_user_from_course($course_code) {
  232. $result = $this->model->remove_user_from_course($course_code);
  233. $message = '';
  234. if ($result) { $message = get_lang('YouAreNowUnsubscribed'); }
  235. $action = 'sortmycourses';
  236. $this->courses_list($action, $message);
  237. }
  238. }
  239. ?>