lp.ajax.php 7.3 KB

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  1. <?php
  2. /* For licensing terms, see /license.txt */
  3. /**
  4. * Responses to AJAX calls
  5. */
  6. require_once '../global.inc.php';
  7. api_protect_course_script(true);
  8. $action = $_REQUEST['a'];
  9. $course_id = api_get_course_int_id();
  10. $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
  11. switch ($action) {
  12. case 'get_documents';
  13. $courseInfo = api_get_course_info();
  14. $folderId = isset($_GET['folder_id']) ? $_GET['folder_id'] : null;
  15. if (empty($folderId)) {
  16. exit;
  17. }
  18. $lpId = isset($_GET['lp_id']) ? $_GET['lp_id'] : null;
  19. $url = isset($_GET['url']) ? $_GET['url'] : null;
  20. echo DocumentManager::get_document_preview(
  21. $courseInfo,
  22. $lpId,
  23. null,
  24. api_get_session_id(),
  25. true,
  26. null,
  27. $url,
  28. true,
  29. false,
  30. $folderId
  31. );
  32. break;
  33. case 'add_lp_item':
  34. if (api_is_allowed_to_edit(null, true)) {
  35. if ($_SESSION['oLP']) {
  36. //Updating the lp.modified_on
  37. $_SESSION['oLP']->set_modified_on();
  38. $title = $_REQUEST['title'];
  39. if ($_REQUEST['type'] == TOOL_QUIZ) {
  40. $title = Exercise::format_title_variable($title);
  41. }
  42. echo $_SESSION['oLP']->add_item($_REQUEST['parent_id'], $_REQUEST['previous_id'], $_REQUEST['type'], $_REQUEST['id'], $title, null);
  43. }
  44. }
  45. break;
  46. case 'update_lp_item_order':
  47. if (api_is_allowed_to_edit(null, true)) {
  48. $new_order = $_POST['new_order'];
  49. $sections = explode('^', $new_order);
  50. $new_array = array();
  51. // We have to update parent_item_id, previous_item_id, next_item_id, display_order in the database
  52. $LP_item_list = new LP_item_order_list();
  53. foreach ($sections as $items) {
  54. if (!empty($items)) {
  55. list($id, $parent_id) = explode('|', $items);
  56. $item = new LP_item_order_item($id, $parent_id);
  57. $LP_item_list->add($item);
  58. }
  59. }
  60. $tab_parents_id = $LP_item_list->get_list_of_parents();
  61. foreach ($tab_parents_id as $parent_id) {
  62. $Same_parent_LP_item_list = $LP_item_list->get_item_with_same_parent($parent_id);
  63. $previous_item_id = 0;
  64. for ($i=0; $i < count($Same_parent_LP_item_list->list);$i++) {
  65. $item_id = $Same_parent_LP_item_list->list[$i]->id;
  66. // display_order
  67. $display_order = $i + 1;
  68. $LP_item_list->set_parameters_for_id($item_id, $display_order, "display_order");
  69. // previous_item_id
  70. $LP_item_list->set_parameters_for_id($item_id, $previous_item_id, "previous_item_id");
  71. $previous_item_id = $item_id;
  72. // next_item_id
  73. $next_item_id = 0;
  74. if ($i < count($Same_parent_LP_item_list->list) - 1) {
  75. $next_item_id = $Same_parent_LP_item_list->list[$i+1]->id;
  76. }
  77. $LP_item_list->set_parameters_for_id($item_id, $next_item_id, "next_item_id");
  78. }
  79. }
  80. foreach ($LP_item_list->list as $LP_item) {
  81. $params = array();
  82. $params['display_order'] = $LP_item->display_order;
  83. $params['previous_item_id'] = $LP_item->previous_item_id;
  84. $params['next_item_id'] = $LP_item->next_item_id;
  85. $params['parent_item_id'] = $LP_item->parent_item_id;
  86. Database::update($tbl_lp_item, $params, array('id = ? AND c_id = ? '=> array(intval($LP_item->id), $course_id)));
  87. }
  88. Display::display_confirmation_message(get_lang('Saved'));
  89. }
  90. break;
  91. case 'record_audio':
  92. if (api_is_allowed_to_edit(null, true) == false) {
  93. exit;
  94. }
  95. /** @var Learnpath $lp */
  96. $lp = isset($_SESSION['oLP']) ? $_SESSION['oLP'] : null;
  97. $course_info = api_get_course_info();
  98. $lpPathInfo = $lp->generate_lp_folder($course_info);
  99. if (empty($lpPathInfo)) {
  100. exit;
  101. }
  102. require_once api_get_path(LIBRARY_PATH) . 'fileUpload.lib.php';
  103. foreach (array('video', 'audio') as $type) {
  104. if (isset($_FILES["${type}-blob"])) {
  105. $fileName = $_POST["${type}-filename"];
  106. //$file = $_FILES["${type}-blob"]["tmp_name"];
  107. $file = $_FILES["${type}-blob"];
  108. $fileInfo = pathinfo($fileName);
  109. $file['name'] = 'rec_'.date('Y-m-d_His').'_'.uniqid().'.'.$fileInfo['extension'];
  110. $file['file'] = $file;
  111. $lpPathInfo['dir'] = api_remove_trailing_slash($lpPathInfo['dir']);
  112. $result = DocumentManager::upload_document(
  113. $file,
  114. $lpPathInfo['dir'],
  115. $file['name'],
  116. null,
  117. 0,
  118. 'overwrite',
  119. false,
  120. false
  121. );
  122. if (!empty($result) && is_array($result)) {
  123. $newDocId = $result['id'];
  124. $courseId = $result['c_id'];
  125. $lp->set_modified_on();
  126. $lpItem = new learnpathItem($_REQUEST['lp_item_id']);
  127. $lpItem->add_audio_from_documents($newDocId);
  128. $data = DocumentManager::get_document_data_by_id($newDocId, $course_info['code']);
  129. echo $data['document_url'];
  130. exit;
  131. }
  132. }
  133. }
  134. break;
  135. default:
  136. echo '';
  137. }
  138. exit;
  139. /*
  140. * Classes to create a special data structure to manipulate LP Items
  141. * used only in this file
  142. * @todo move in a file
  143. */
  144. class LP_item_order_list {
  145. public $list = array();
  146. public function __construct() {
  147. $this->list = array();
  148. }
  149. public function add($in_LP_item_order_item) {
  150. $this->list[] = $in_LP_item_order_item;
  151. }
  152. public function get_item_with_same_parent($in_parent_id) {
  153. $out_res = new LP_item_order_list();
  154. for ($i=0; $i < count($this->list); $i++) {
  155. if ($this->list[$i]->parent_item_id == $in_parent_id) {
  156. $out_res->add($this->list[$i]);
  157. }
  158. }
  159. return $out_res;
  160. }
  161. public function get_list_of_parents() {
  162. $tab_out_res = array();
  163. foreach ($this->list as $LP_item) {
  164. if (!in_array($LP_item->parent_item_id, $tab_out_res)) {
  165. $tab_out_res[] = $LP_item->parent_item_id;
  166. }
  167. }
  168. return $tab_out_res;
  169. }
  170. public function set_parameters_for_id($in_id, $in_value, $in_parameters) {
  171. for ($i=0; $i < count($this->list); $i++) {
  172. if ($this->list[$i]->id == $in_id) {
  173. $this->list[$i]->$in_parameters = $in_value;
  174. break;
  175. }
  176. }
  177. }
  178. }
  179. class LP_item_order_item {
  180. public $id = 0;
  181. public $parent_item_id = 0;
  182. public $previous_item_id = 0;
  183. public $next_item_id = 0;
  184. public $display_order = 0;
  185. public function __construct($in_id=0, $in_parent_id=0) {
  186. $this->id = $in_id;
  187. $this->parent_item_id = $in_parent_id;
  188. }
  189. }