course_request_edit.php 14 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * A page for detailed preview or edition of a given course request.
  5. * @package chamilo.admin
  6. * @author Ivan Tcholakov <ivantcholakov@gmail.com>, 2010
  7. */
  8. // Initialization section.
  9. // Language files that need to be included.
  10. $language_file = array('admin', 'create_course');
  11. $cidReset = true;
  12. require '../inc/global.inc.php';
  13. $this_section = SECTION_PLATFORM_ADMIN;
  14. $tool_name = get_lang('CourseRequestEdit');
  15. api_protect_admin_script();
  16. require_once api_get_path(LIBRARY_PATH).'add_course.lib.inc.php';
  17. require_once api_get_path(CONFIGURATION_PATH).'course_info.conf.php';
  18. require_once api_get_path(LIBRARY_PATH).'course.lib.php';
  19. require_once api_get_path(LIBRARY_PATH).'course_request.lib.php';
  20. require_once api_get_path(LIBRARY_PATH).'mail.lib.inc.php';
  21. require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
  22. // Including a configuration file.
  23. require_once api_get_path(CONFIGURATION_PATH).'add_course.conf.php';
  24. // Including additional libraries.
  25. require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
  26. // A check whether the course validation feature is enabled.
  27. $course_validation_feature = api_get_setting('course_validation') == 'true';
  28. // Filltering passed to this page parameters.
  29. $id = intval($_GET['id']);
  30. $caller = intval($_GET['caller']);
  31. if ($course_validation_feature) {
  32. // Retrieve request's data from the corresponding database record.
  33. $course_request_info = CourseRequestManager::get_course_request_info($id);
  34. if (!is_array($course_request_info)) {
  35. // Prepare an error message notifying that the course request has not been found or does not exist.
  36. $message = get_lang('CourseRequestHasNotBeenFound');
  37. $is_error_message = true;
  38. } else {
  39. global $_configuration;
  40. $dbnamelength = strlen($_configuration['db_prefix']);
  41. // Ensure the database prefix + database name do not get over 40 characters.
  42. $maxlength = 40 - $dbnamelength;
  43. // Build the form.
  44. $form = new FormValidator('add_course', 'post', 'course_request_edit.php?id='.$id.'&caller='.$caller);
  45. // Form title.
  46. $form->addElement('header', '', $tool_name);
  47. // Title.
  48. $form->addElement('text', 'title', get_lang('CourseName'), array('size' => '60', 'id' => 'title'));
  49. $form->applyFilter('title', 'html_filter');
  50. $form->addRule('title', get_lang('ThisFieldIsRequired'), 'required');
  51. // Course category.
  52. $categories_select = $form->addElement('select', 'category_code', get_lang('Fac'), array());
  53. $form->applyFilter('category_code', 'html_filter');
  54. CourseManager::select_and_sort_categories($categories_select);
  55. // Course code.
  56. $form->add_textfield('wanted_code', get_lang('Code'), false, array('size' => '$maxlength', 'maxlength' => $maxlength));
  57. $form->applyFilter('wanted_code', 'html_filter');
  58. $form->addRule('wanted_code', get_lang('Max'), 'maxlength', $maxlength);
  59. $form->addRule('wanted_code', get_lang('ThisFieldIsRequired'), 'required');
  60. // The teacher.
  61. $titular = & $form->add_textfield('tutor_name', get_lang('Professor'), null, array('size' => '60', 'disabled' => 'disabled'));
  62. //$form->applyFilter('tutor_name', 'html_filter');
  63. // Description of the requested course.
  64. $form->addElement('textarea', 'description', get_lang('Description'), array('style' => 'border:#A5ACB2 solid 1px; font-family:arial,verdana,helvetica,sans-serif; font-size:12px', 'rows' => '3', 'cols' => '116'));
  65. $form->addRule('description', get_lang('ThisFieldIsRequired'), 'required');
  66. // Objectives of the requested course.
  67. $form->addElement('textarea', 'objetives', get_lang('Objectives'), array('style' => 'border:#A5ACB2 solid 1px; font-family:arial,verdana,helvetica,sans-serif; font-size:12px', 'rows' => '3', 'cols' => '116'));
  68. $form->addRule('objetives', get_lang('ThisFieldIsRequired'), 'required');
  69. // Target audience of the requested course.
  70. $form->addElement('textarea', 'target_audience', get_lang('TargetAudience'), array('style' => 'border:#A5ACB2 solid 1px; font-family:arial,verdana,helvetica,sans-serif; font-size:12px', 'rows' => '3', 'cols' => '116'));
  71. $form->addRule('target_audience', get_lang('ThisFieldIsRequired'), 'required');
  72. // Course language.
  73. $form->addElement('select_language', 'course_language', get_lang('Ln'));
  74. $form->applyFilter('select_language', 'html_filter');
  75. // Exemplary content checkbox.
  76. $form->addElement('checkbox', 'exemplary_content', get_lang('FillWithExemplaryContent'));
  77. // Submit buttons.
  78. $submit_buttons[] = FormValidator::createElement('style_submit_button', 'save_button', get_lang('Save'), array('class' => 'save'));
  79. if ($course_request_info['status'] != COURSE_REQUEST_ACCEPTED) {
  80. $submit_buttons[] = FormValidator::createElement('style_submit_button', 'accept_button', get_lang('Accept'), array('class' => 'save', 'style' => 'background-image: url('.api_get_path(WEB_IMG_PATH).'icons/16/accept.png);'));
  81. }
  82. if ($course_request_info['status'] != COURSE_REQUEST_ACCEPTED && $course_request_info['status'] != COURSE_REQUEST_REJECTED) {
  83. $submit_buttons[] = FormValidator::createElement('style_submit_button', 'reject_button', get_lang('Reject'), array('class' => 'save', 'style' => 'background-image: url('.api_get_path(WEB_IMG_PATH).'icons/16/error.png);'));
  84. }
  85. if ($course_request_info['status'] != COURSE_REQUEST_ACCEPTED && intval($course_request_info['info']) <= 0) {
  86. $submit_buttons[] = FormValidator::createElement('style_submit_button', 'ask_info_button', get_lang('AskAdditionalInfo'), array('class' => 'save', 'style' => 'background-image: url('.api_get_path(WEB_IMG_PATH).'request_info.gif);'));
  87. }
  88. $form->addGroup($submit_buttons);
  89. // Hidden form fields.
  90. $form->addElement('hidden', 'user_id');
  91. $form->addElement('hidden', 'directory');
  92. $form->addElement('hidden', 'db_name');
  93. $form->addElement('hidden', 'visual_code');
  94. $form->addElement('hidden', 'request_date');
  95. $form->addElement('hidden', 'status');
  96. $form->addElement('hidden', 'info');
  97. // Set the default values based on the corresponding database record.
  98. $values['wanted_code'] = $course_request_info['code'];
  99. $values['user_id'] = $course_request_info['user_id'];
  100. $values['directory'] = $course_request_info['directory'];
  101. $values['db_name'] = $course_request_info['db_name'];
  102. $values['course_language'] = $course_request_info['course_language'];
  103. $values['title'] = $course_request_info['title'];
  104. $values['description'] = $course_request_info['description'];
  105. $values['category_code'] = $course_request_info['category_code'];
  106. $values['tutor_name'] = $course_request_info['tutor_name'];
  107. $values['visual_code'] = $course_request_info['visual_code'];
  108. $values['request_date'] = $course_request_info['request_date'];
  109. $values['objetives'] = $course_request_info['objetives'];
  110. $values['target_audience'] = $course_request_info['target_audience'];
  111. $values['status'] = $course_request_info['status'];
  112. $values['info'] = $course_request_info['info'];
  113. $values['exemplary_content'] = $course_request_info['exemplary_content'];
  114. $form->setDefaults($values);
  115. // Validate the form and perform the ordered actions.
  116. if ($form->validate()) {
  117. $course_request_values = $form->exportValues();
  118. // Filter incoming data.
  119. foreach ($course_request_values as &$value) {
  120. $value = trim(Security::remove_XSS(stripslashes($value)));
  121. }
  122. // Detection which submit button has been pressed.
  123. $submit_button = isset($_POST['save_button']) ? 'save_button'
  124. : (isset($_POST['accept_button']) ? 'accept_button'
  125. : (isset($_POST['reject_button']) ? 'reject_button'
  126. : (isset($_POST['ask_info_button']) ? 'ask_info_button'
  127. : 'submit_button')));
  128. // Check the course code for avoiding duplication.
  129. $course_code_ok = $course_request_values['wanted_code'] == $course_request_info['code']
  130. ? true
  131. : !CourseRequestManager::course_code_exists($course_request_values['wanted_code']);
  132. if ($course_code_ok) {
  133. $message = array();
  134. $is_error_message = false;
  135. // Update the course request.
  136. $update_ok = CourseRequestManager::update_course_request($id,
  137. $course_request_values['wanted_code'],
  138. $course_request_values['title'],
  139. $course_request_values['description'],
  140. $course_request_values['category_code'],
  141. $course_request_values['course_language'],
  142. $course_request_values['objetives'],
  143. $course_request_values['target_audience'],
  144. $course_request_values['user_id'],
  145. $course_request_values['exemplary_content']
  146. );
  147. if ($update_ok) {
  148. $message[] = sprintf(get_lang(CourseRequestUpdated), $course_request_values['wanted_code']);
  149. switch ($submit_button) {
  150. case 'accept_button':
  151. if (CourseRequestManager::accept_course_request($id)) {
  152. $message[] = sprintf(get_lang('CourseRequestAccepted'), $course_request_values['wanted_code'], $course_request_values['wanted_code']);
  153. } else {
  154. $message[] = sprintf(get_lang('CourseRequestAcceptanceFailed'), $course_request_values['wanted_code']);
  155. $is_error_message = true;
  156. }
  157. break;
  158. case 'reject_button':
  159. if (CourseRequestManager::reject_course_request($id)) {
  160. $message[] = sprintf(get_lang('CourseRequestRejected'), $course_request_values['wanted_code']);
  161. } else {
  162. $message[] = sprintf(get_lang('CourseRequestRejectionFailed'), $course_request_values['wanted_code']);
  163. $is_error_message = true;
  164. }
  165. break;
  166. case 'ask_info_button':
  167. if (CourseRequestManager::ask_for_additional_info($id)) {
  168. $message[] = sprintf(get_lang('CourseRequestInfoAsked'), $course_request_values['wanted_code']);
  169. } else {
  170. $message[] = sprintf(get_lang('CourseRequestInfoFailed'), $course_request_values['wanted_code']);
  171. $is_error_message = true;
  172. }
  173. break;
  174. }
  175. // Line of code for testing purposes, to be removed
  176. //$message = 'The button "'.$submit_button.'" has been pressed.';
  177. } else {
  178. $message[] = sprintf(get_lang(CourseRequestUpdateFailed), $course_request_values['wanted_code']);
  179. $is_error_message = true;
  180. }
  181. $message = implode(' ', $message);
  182. $back_url = get_caller_name($caller);
  183. if ($message != '') {
  184. $back_url = api_add_url_param($back_url, 'message='.urlencode(Security::remove_XSS($message)), false);
  185. }
  186. if ($is_error_message) {
  187. $back_url = api_add_url_param($back_url, 'is_error_message=1', false);
  188. }
  189. header('location:'.$back_url);
  190. } else {
  191. $message = $course_request_values['wanted_code'].' - '.get_lang('CourseCodeAlreadyExists');
  192. $is_error_message = true;
  193. }
  194. }
  195. }
  196. } else {
  197. // Prepare an error message notifying that the course validation feature has not been enabled.
  198. $link_to_setting = api_get_path(WEB_CODE_PATH).'admin/settings.php?category=Platform#course_validation';
  199. $message = sprintf(get_lang('PleaseActivateCourseValidationFeature'), sprintf('<strong><a href="%s">%s</a></strong>', $link_to_setting, get_lang('EnableCourseValidation')));
  200. $is_error_message = true;
  201. }
  202. // Functions.
  203. // Converts the given numerical id to the name of the page that opened this editor.
  204. function get_caller_name($caller_id) {
  205. switch ($caller_id) {
  206. case 1:
  207. return 'course_request_accepted.php';
  208. case 2:
  209. return 'course_request_rejected.php';
  210. }
  211. return 'course_request_review.php';
  212. }
  213. // The header.
  214. $interbreadcrumb[] = array('url' => 'index.php', 'name' => get_lang('PlatformAdmin'));
  215. $interbreadcrumb[] = array('url' => 'course_list.php', 'name' => get_lang('CourseList'));
  216. Display :: display_header($tool_name);
  217. // Display confirmation or error message.
  218. if (!empty($message)) {
  219. if ($is_error_message) {
  220. Display::display_error_message($message, false);
  221. } else {
  222. Display::display_normal_message($message, false);
  223. }
  224. }
  225. if (!$course_validation_feature) {
  226. // Disabled course validation feature - show nothing after the error message.
  227. Display :: display_footer();
  228. exit;
  229. }
  230. // The action bar.
  231. echo '<div class="actions">';
  232. echo '<a href="course_list.php">'.Display::return_icon('courses.gif', get_lang('CourseList')).get_lang('CourseList').'</a>';
  233. echo '<a href="course_request_review.php">'.Display::return_icon('course_request_pending.png', get_lang('ReviewCourseRequests')).get_lang('ReviewCourseRequests').'</a>';
  234. echo '<a href="course_request_accepted.php">'.Display::return_icon('course_request_accepted.gif', get_lang('AcceptedCourseRequests')).get_lang('AcceptedCourseRequests').'</a>';
  235. echo '<a href="course_request_rejected.php">'.Display::return_icon('course_request_rejected.gif', get_lang('RejectedCourseRequests')).get_lang('RejectedCourseRequests').'</a>';
  236. echo '</div>';
  237. if (!is_array($course_request_info)) {
  238. // Not accessible database record - show the error message and the action bar.
  239. Display :: display_footer();
  240. exit;
  241. }
  242. // Display the form.
  243. $form->display();
  244. // The footer.
  245. Display :: display_footer();