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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * This is a learning path creation and player tool in Chamilo - previously learnpath_handler.php
- *
- * @author Patrick Cool
- * @author Denes Nagy
- * @author Roan Embrechts, refactoring and code cleaning
- * @author Yannick Warnier <ywarnier@beeznest.org> - cleaning and update for new SCORM tool
- * @package chamilo.learnpath
- */
- /* INIT SECTION */
- $this_section = SECTION_COURSES;
- api_protect_course_script();
- /* Libraries */
- // The main_api.lib.php, database.lib.php and display.lib.php
- // libraries are included by default.
- include 'learnpath_functions.inc.php';
- //include '../resourcelinker/resourcelinker.inc.php';
- include 'resourcelinker.inc.php';
- // Rewrite the language file, sadly overwritten by resourcelinker.inc.php.
- $language_file = "learnpath";
- /* Constants and variables */
- $is_allowed_to_edit = api_is_allowed_to_edit(null, true);
- $tbl_lp = Database::get_course_table(TABLE_LP_MAIN);
- $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
- $tbl_lp_view = Database::get_course_table(TABLE_LP_VIEW);
- $isStudentView = (int) $_REQUEST['isStudentView'];
- $learnpath_id = (int) $_REQUEST['lp_id'];
- $submit = $_POST['submit_button'];
- /*
- $chapter_id = $_GET['chapter_id'];
- $title = $_POST['title'];
- $description = $_POST['description'];
- $Submititem = $_POST['Submititem'];
- $action = $_REQUEST['action'];
- $id = (int) $_REQUEST['id'];
- $type = $_REQUEST['type'];
- $direction = $_REQUEST['direction'];
- $moduleid = $_REQUEST['moduleid'];
- $prereq = $_REQUEST['prereq'];
- $type = $_REQUEST['type'];
- */
- /* MAIN CODE */
- // Using the resource linker as a tool for adding resources to the learning path.
- if ($action == 'add' and $type == 'learnpathitem') {
- $htmlHeadXtra[] = "<script language='JavaScript' type='text/javascript'> window.location=\"../resourcelinker/resourcelinker.php?source_id=5&action=$action&learnpath_id=$learnpath_id&chapter_id=$chapter_id&originalresource=no\"; </script>";
- }
- if ((!$is_allowed_to_edit) || ($isStudentView)) {
- error_log('New LP - User not authorized in lp_admin_view.php');
- header('location:lp_controller.php?action=view&lp_id='.$learnpath_id);
- }
- // From here on, we are admin because of the previous condition, so don't check anymore.
- $sql_query = "SELECT * FROM $tbl_lp WHERE id = $learnpath_id";
- $result = Database::query($sql_query);
- $therow = Database::fetch_array($result);
- //$admin_output = '';
- /*
- Course admin section
- - all the functions not available for students - always available in this case (page only shown to admin)
- */
- /* SHOWING THE ADMIN TOOLS */
- if (isset($_SESSION['gradebook'])) {
- $gradebook = $_SESSION['gradebook'];
- }
- if (!empty($gradebook) && $gradebook == 'view') {
- $interbreadcrumb[] = array (
- 'url' => '../gradebook/'.$_SESSION['gradebook_dest'],
- 'name' => get_lang('ToolGradebook')
- );
- }
- $interbreadcrumb[] = array('url' => 'lp_controller.php?action=list', 'name' => get_lang('_learning_path'));
- $interbreadcrumb[] = array('url' => api_get_self()."?action=admin_view&lp_id=$learnpath_id", "name" => stripslashes("{$therow['name']}"));
- // Theme calls.
- $show_learn_path = true;
- $lp_theme_css = $_SESSION['oLP']->get_theme();
- Display::display_header(null, 'Path');
- //api_display_tool_title($therow['name']);
- $suredel = trim(get_lang('AreYouSureToDelete'));
- //$suredelstep = trim(get_lang('AreYouSureToDeleteSteps'));
- ?>
- <script type='text/javascript'>
- /* <![CDATA[ */
- function stripslashes(str) {
- str=str.replace(/\\'/g,'\'');
- str=str.replace(/\\"/g,'"');
- str=str.replace(/\\\\/g,'\\');
- str=str.replace(/\\0/g,'\0');
- return str;
- }
- function confirmation(name)
- {
- name=stripslashes(name);
- if (confirm("<?php echo $suredel; ?> " + name + " ?"))
- {
- return true;
- }
- else
- {
- return false;
- }
- }
- </script>
- <?php
- /* DISPLAY SECTION */
- switch ($_GET['action']) {
- case 'edit_item':
- if (isset($is_success) && $is_success === true) {
- Display::display_confirmation_message(get_lang('_learnpath_item_edited'));
- } else {
- echo $_SESSION['oLP']->display_edit_item($_GET['id']);
- }
- break;
- case 'delete_item':
- if (isset($is_success) && $is_success === true) {
- Display::display_confirmation_message(get_lang('_learnpath_item_deleted'));
- }
- break;
- }
- // POST action handling (uploading mp3, deleting mp3)
- if (isset($_POST['save_audio'])) {
- // Deleting the audio fragments.
- foreach ($_POST as $key => $value) {
- if (substr($key, 0, 9) == 'removemp3') {
- $lp_items_to_remove_audio[] = str_ireplace('removemp3', '', $key);
- // Removing the audio from the learning path item.
- $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
- $in = implode(',', $lp_items_to_remove_audio);
- }
- }
- if (count($lp_items_to_remove_audio)>0) {
- $sql = "UPDATE $tbl_lp_item SET audio = '' WHERE id IN (".$in.")";
- $result = Database::query($sql);
- }
- // Uploading the audio files.
- foreach ($_FILES as $key => $value) {
- if (substr($key, 0, 7) == 'mp3file' AND !empty($_FILES[$key]['tmp_name'])) {
- // The id of the learning path item.
- $lp_item_id = str_ireplace('mp3file', '', $key);
- // Create the audio folder if it does not exist yet.
- global $_course;
- $filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
- if (!is_dir($filepath.'audio')) {
- mkdir($filepath.'audio', api_get_permissions_for_new_directories());
- $audio_id = add_document($_course, '/audio', 'folder', 0, 'audio');
- api_item_property_update($_course, TOOL_DOCUMENT, $audio_id, 'FolderCreated', api_get_user_id(), null, null, null, null, api_get_session_id());
- }
- // Check if file already exits into document/audio/
- $file_name = $_FILES[$key]['name'];
- $file_name = stripslashes($file_name);
- // Add extension to files without one (if possible).
- $file_name = add_ext_on_mime($file_name, $_FILES[$key]['type']);
- $clean_name = replace_dangerous_char($file_name);
- // No "dangerous" files.
- $clean_name = disable_dangerous_file($clean_name);
- $check_file_path = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/audio/'.$clean_name;
- // If the file exists we generate a new name.
- if (file_exists($check_file_path)) {
- $filename_components = explode('.', $clean_name);
- // Gettting the extension of the file.
- $file_extension = $filename_components[count($filename_components) - 1];
- // Adding something random to prevent overwriting.
- $filename_components[count($filename_components) - 1] = time();
- // Reconstructing the new filename.
- $clean_name = implode($filename_components) .'.'.$file_extension;
- // Using the new name in the $_FILES superglobal.
- $_FILES[$key]['name'] = $clean_name;
- }
- // Upload the file in the documents tool.
- include_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php';
- $file_path = handle_uploaded_document($_course, $_FILES[$key], api_get_path(SYS_COURSE_PATH).$_course['path'].'/document','/audio', api_get_user_id(), '', '', '', '', '', false);
- // Getting the filename only.
- $file_components = explode('/', $file_path);
- $file = $file_components[count($file_components) - 1];
- // Store the mp3 file in the lp_item table.
- $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
- $sql_insert_audio = "UPDATE $tbl_lp_item SET audio = '".Database::escape_string($file)."' WHERE id = '".Database::escape_string($lp_item_id)."'";
- Database::query($sql_insert_audio);
- }
- }
- Display::display_confirmation_message(get_lang('ChangesStored'));
- }
- echo $_SESSION['oLP']->overview();
- /* FOOTER */
- Display::display_footer();
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