course_request_edit.php 14 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290
  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. // Language files that need to be included.
  9. $language_file = array('admin', 'create_course');
  10. $cidReset = true;
  11. require_once '../inc/global.inc.php';
  12. $this_section = SECTION_PLATFORM_ADMIN;
  13. $tool_name = get_lang('CourseRequestEdit');
  14. api_protect_admin_script();
  15. // A check whether the course validation feature is enabled.
  16. $course_validation_feature = api_get_setting('course_validation') == 'true';
  17. // Filltering passed to this page parameters.
  18. $id = intval($_GET['id']);
  19. $caller = intval($_GET['caller']);
  20. if ($course_validation_feature) {
  21. // Retrieve request's data from the corresponding database record.
  22. $course_request_info = CourseRequestManager::get_course_request_info($id);
  23. if (!is_array($course_request_info)) {
  24. // Prepare an error message notifying that the course request has not been found or does not exist.
  25. $message = get_lang('CourseRequestHasNotBeenFound');
  26. $is_error_message = true;
  27. } else {
  28. global $_configuration;
  29. $dbnamelength = strlen($_configuration['db_prefix']);
  30. // Ensure the database prefix + database name do not get over 40 characters.
  31. $maxlength = 40 - $dbnamelength;
  32. // Build the form.
  33. $form = new FormValidator('add_course', 'post', 'course_request_edit.php?id='.$id.'&caller='.$caller);
  34. // Form title.
  35. $form->addElement('header', $tool_name);
  36. // Title.
  37. $form->addElement('text', 'title', get_lang('CourseName'), array('size' => '60', 'id' => 'title'));
  38. $form->applyFilter('title', 'html_filter');
  39. $form->addRule('title', get_lang('ThisFieldIsRequired'), 'required');
  40. // Course category.
  41. $url = api_get_path(WEB_AJAX_PATH).'course.ajax.php?a=search_category';
  42. $categoryList = array();
  43. if (!empty($course_request_info['category_code'])) {
  44. $data = getCategory($course_request_info['category_code']);
  45. $categoryList[] = array('id' => $data['code'], 'text' => $data['name']);
  46. }
  47. $form->addElement(
  48. 'select_ajax',
  49. 'category_code',
  50. get_lang('CourseFaculty'),
  51. null,
  52. array(
  53. 'url' => $url,
  54. 'defaults' => $categoryList
  55. )
  56. );
  57. // Course code.
  58. $form->addText('wanted_code', get_lang('Code'), false, array('size' => '$maxlength', 'maxlength' => $maxlength));
  59. $form->applyFilter('wanted_code', 'html_filter');
  60. $form->addRule('wanted_code', get_lang('Max'), 'maxlength', $maxlength);
  61. $form->addRule('wanted_code', get_lang('ThisFieldIsRequired'), 'required');
  62. // The teacher.
  63. $titular = $form->addText('tutor_name', get_lang('Professor'), null, array('size' => '60', 'disabled' => 'disabled'));
  64. // Description of the requested course.
  65. $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'));
  66. $form->addRule('description', get_lang('ThisFieldIsRequired'), 'required');
  67. // Objectives of the requested course.
  68. $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'));
  69. $form->addRule('objetives', get_lang('ThisFieldIsRequired'), 'required');
  70. // Target audience of the requested course.
  71. $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'));
  72. $form->addRule('target_audience', get_lang('ThisFieldIsRequired'), 'required');
  73. // Course language.
  74. $form->addElement('select_language', 'course_language', get_lang('Ln'));
  75. $form->applyFilter('select_language', 'html_filter');
  76. // Exemplary content checkbox.
  77. $form->addElement('checkbox', 'exemplary_content', get_lang('FillWithExemplaryContent'));
  78. // Submit buttons.
  79. $submit_buttons[] = $form->createElement('style_submit_button', 'save_button', get_lang('Save'), array('class' => 'save'));
  80. if ($course_request_info['status'] != COURSE_REQUEST_ACCEPTED) {
  81. $submit_buttons[] = $form->createElement('style_submit_button', 'accept_button', get_lang('Accept'), array('class' => 'save', 'style' => 'background-image: url('.api_get_path(WEB_IMG_PATH).'icons/16/accept.png);'));
  82. }
  83. if ($course_request_info['status'] != COURSE_REQUEST_ACCEPTED && $course_request_info['status'] != COURSE_REQUEST_REJECTED) {
  84. $submit_buttons[] = $form->createElement('style_submit_button', 'reject_button', get_lang('Reject'), array('class' => 'save', 'style' => 'background-image: url('.api_get_path(WEB_IMG_PATH).'icons/16/error.png);'));
  85. }
  86. if ($course_request_info['status'] != COURSE_REQUEST_ACCEPTED && intval($course_request_info['info']) <= 0) {
  87. $submit_buttons[] = $form->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);'));
  88. }
  89. $form->addGroup($submit_buttons);
  90. // Hidden form fields.
  91. $form->addElement('hidden', 'user_id');
  92. $form->addElement('hidden', 'directory');
  93. $form->addElement('hidden', 'db_name');
  94. $form->addElement('hidden', 'visual_code');
  95. $form->addElement('hidden', 'request_date');
  96. $form->addElement('hidden', 'status');
  97. $form->addElement('hidden', 'info');
  98. // Set the default values based on the corresponding database record.
  99. $values['wanted_code'] = $course_request_info['code'];
  100. $values['user_id'] = $course_request_info['user_id'];
  101. $values['directory'] = $course_request_info['directory'];
  102. $values['db_name'] = $course_request_info['db_name'];
  103. $values['course_language'] = $course_request_info['course_language'];
  104. $values['title'] = $course_request_info['title'];
  105. $values['description'] = $course_request_info['description'];
  106. //$values['category_code'] = $course_request_info['category_code'];
  107. $values['tutor_name'] = $course_request_info['tutor_name'];
  108. $values['visual_code'] = $course_request_info['visual_code'];
  109. $values['request_date'] = $course_request_info['request_date'];
  110. $values['objetives'] = $course_request_info['objetives'];
  111. $values['target_audience'] = $course_request_info['target_audience'];
  112. $values['status'] = $course_request_info['status'];
  113. $values['info'] = $course_request_info['info'];
  114. $values['exemplary_content'] = $course_request_info['exemplary_content'];
  115. $form->setDefaults($values);
  116. // Validate the form and perform the ordered actions.
  117. if ($form->validate()) {
  118. $course_request_values = $form->getSubmitValues();
  119. // Detection which submit button has been pressed.
  120. $submit_button = isset($_POST['save_button']) ? 'save_button'
  121. : (isset($_POST['accept_button']) ? 'accept_button'
  122. : (isset($_POST['reject_button']) ? 'reject_button'
  123. : (isset($_POST['ask_info_button']) ? 'ask_info_button'
  124. : 'submit_button')));
  125. // Check the course code for avoiding duplication.
  126. $course_code_ok = $course_request_values['wanted_code'] == $course_request_info['code']
  127. ? true
  128. : !CourseRequestManager::course_code_exists($course_request_values['wanted_code']);
  129. if ($course_code_ok) {
  130. $message = array();
  131. $is_error_message = false;
  132. // Update the course request.
  133. $update_ok = CourseRequestManager::update_course_request(
  134. $id,
  135. $course_request_values['wanted_code'],
  136. $course_request_values['title'],
  137. $course_request_values['description'],
  138. $course_request_values['category_code'],
  139. $course_request_values['course_language'],
  140. $course_request_values['objetives'],
  141. $course_request_values['target_audience'],
  142. $course_request_values['user_id'],
  143. $course_request_values['exemplary_content']
  144. );
  145. if ($update_ok) {
  146. $message[] = sprintf(get_lang('CourseRequestUpdated'), $course_request_values['wanted_code']);
  147. switch ($submit_button) {
  148. case 'accept_button':
  149. if (CourseRequestManager::accept_course_request($id)) {
  150. $message[] = sprintf(get_lang('CourseRequestAccepted'), $course_request_values['wanted_code'], $course_request_values['wanted_code']);
  151. } else {
  152. $message[] = sprintf(get_lang('CourseRequestAcceptanceFailed'), $course_request_values['wanted_code']);
  153. $is_error_message = true;
  154. }
  155. break;
  156. case 'reject_button':
  157. if (CourseRequestManager::reject_course_request($id)) {
  158. $message[] = sprintf(get_lang('CourseRequestRejected'), $course_request_values['wanted_code']);
  159. } else {
  160. $message[] = sprintf(get_lang('CourseRequestRejectionFailed'), $course_request_values['wanted_code']);
  161. $is_error_message = true;
  162. }
  163. break;
  164. case 'ask_info_button':
  165. if (CourseRequestManager::ask_for_additional_info($id)) {
  166. $message[] = sprintf(get_lang('CourseRequestInfoAsked'), $course_request_values['wanted_code']);
  167. } else {
  168. $message[] = sprintf(get_lang('CourseRequestInfoFailed'), $course_request_values['wanted_code']);
  169. $is_error_message = true;
  170. }
  171. break;
  172. }
  173. // Line of code for testing purposes, to be removed
  174. //$message = 'The button "'.$submit_button.'" has been pressed.';
  175. } else {
  176. $message[] = sprintf(get_lang('CourseRequestUpdateFailed'), $course_request_values['wanted_code']);
  177. $is_error_message = true;
  178. }
  179. $message = implode(' ', $message);
  180. $back_url = get_caller_name($caller);
  181. if ($message != '') {
  182. $back_url = api_add_url_param($back_url, 'message='.urlencode(Security::remove_XSS($message)), false);
  183. }
  184. if ($is_error_message) {
  185. $back_url = api_add_url_param($back_url, 'is_error_message=1', false);
  186. }
  187. header('location:'.$back_url);
  188. exit;
  189. } else {
  190. $message = $course_request_values['wanted_code'].' - '.get_lang('CourseCodeAlreadyExists');
  191. $is_error_message = true;
  192. }
  193. }
  194. }
  195. } else {
  196. // Prepare an error message notifying that the course validation feature has not been enabled.
  197. $link_to_setting = api_get_path(WEB_CODE_PATH).'admin/settings.php?search_field=course_validation&submit_button=&category=search_setting';
  198. $message = sprintf(get_lang('PleaseActivateCourseValidationFeature'), sprintf('<strong><a href="%s">%s</a></strong>', $link_to_setting, get_lang('EnableCourseValidation')));
  199. $is_error_message = true;
  200. }
  201. // Functions.
  202. // Converts the given numerical id to the name of the page that opened this editor.
  203. function get_caller_name($caller_id) {
  204. switch ($caller_id) {
  205. case 1:
  206. return 'course_request_accepted.php';
  207. case 2:
  208. return 'course_request_rejected.php';
  209. }
  210. return 'course_request_review.php';
  211. }
  212. // The header.
  213. $interbreadcrumb[] = array('url' => 'index.php', 'name' => get_lang('PlatformAdmin'));
  214. $interbreadcrumb[] = array('url' => 'course_list.php', 'name' => get_lang('CourseList'));
  215. Display :: display_header($tool_name);
  216. // Display confirmation or error message.
  217. if (!empty($message)) {
  218. if ($is_error_message) {
  219. Display::display_error_message($message, false);
  220. } else {
  221. Display::display_normal_message($message, false);
  222. }
  223. }
  224. if (!$course_validation_feature) {
  225. // Disabled course validation feature - show nothing after the error message.
  226. Display :: display_footer();
  227. exit;
  228. }
  229. // The action bar.
  230. echo '<div class="actions">';
  231. echo '<a href="course_list.php">'.Display::return_icon('courses.gif', get_lang('CourseList')).get_lang('CourseList').'</a>';
  232. echo '<a href="course_request_review.php">'.Display::return_icon('course_request_pending.png', get_lang('ReviewCourseRequests')).get_lang('ReviewCourseRequests').'</a>';
  233. echo '<a href="course_request_accepted.php">'.Display::return_icon('course_request_accepted.gif', get_lang('AcceptedCourseRequests')).get_lang('AcceptedCourseRequests').'</a>';
  234. echo '<a href="course_request_rejected.php">'.Display::return_icon('course_request_rejected.gif', get_lang('RejectedCourseRequests')).get_lang('RejectedCourseRequests').'</a>';
  235. echo '</div>';
  236. if (!is_array($course_request_info)) {
  237. // Not accessible database record - show the error message and the action bar.
  238. Display :: display_footer();
  239. exit;
  240. }
  241. // Display the form.
  242. $form->display();
  243. // The footer.
  244. Display :: display_footer();