Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/inc/ajax/lp.ajax.php

328 lines
10 KiB

<?php
/* For licensing terms, see /license.txt */
use ChamiloSession as Session;
/**
* Responses to AJAX calls.
*/
require_once __DIR__.'/../global.inc.php';
api_protect_course_script(true);
$debug = false;
$action = isset($_REQUEST['a']) ? $_REQUEST['a'] : '';
$courseId = api_get_course_int_id();
$sessionId = api_get_session_id();
if ($debug) {
error_log('----------lp.ajax-------------- action '.$action);
}
// We check if a tool provider
if (isset($_REQUEST['lti_launch_id'])) {
$ltiLaunchId = Security::remove_XSS($_REQUEST['lti_launch_id']);
$_SESSION['oLP']->lti_launch_id = $ltiLaunchId;
}
switch ($action) {
case 'get_lp_list_by_course':
$course_id = (isset($_GET['course_id']) && !empty($_GET['course_id'])) ? (int) $_GET['course_id'] : 0;
$session_id = (isset($_GET['session_id']) && !empty($_GET['session_id'])) ? (int) $_GET['session_id'] : 0;
$onlyActiveLp = !(api_is_platform_admin(true) || api_is_course_admin());
$results = learnpath::getLpList($course_id, $session_id, $onlyActiveLp);
$data = [];
if (!empty($results)) {
foreach ($results as $lp) {
$data[] = ['id' => $lp['id'], 'text' => html_entity_decode($lp['name'])];
}
}
echo json_encode($data);
break;
case 'get_documents':
$courseInfo = api_get_course_info();
$folderId = isset($_GET['folder_id']) ? $_GET['folder_id'] : null;
if (empty($folderId)) {
exit;
}
$lpId = isset($_GET['lp_id']) ? $_GET['lp_id'] : false;
$url = isset($_GET['url']) ? $_GET['url'] : '';
$addMove = isset($_GET['add_move_button']) && $_GET['add_move_button'] == 1 ? true : false;
echo DocumentManager::get_document_preview(
$courseInfo,
$lpId,
null,
api_get_session_id(),
$addMove,
null,
$url,
true,
false,
$folderId,
false
);
break;
case 'add_lp_item':
if (api_is_allowed_to_edit(null, true)) {
/** @var learnpath $learningPath */
$learningPath = Session::read('oLP');
if ($learningPath) {
// Updating the lp.modified_on
$learningPath->set_modified_on();
$title = $_REQUEST['title'];
if ($_REQUEST['type'] == TOOL_QUIZ) {
$title = Exercise::format_title_variable($title);
}
$parentId = isset($_REQUEST['parent_id']) ? $_REQUEST['parent_id'] : '';
$previousId = isset($_REQUEST['previous_id']) ? $_REQUEST['previous_id'] : '';
$itemId = $learningPath->add_item(
$parentId,
$previousId,
$_REQUEST['type'],
$_REQUEST['id'],
$title,
null
);
/** @var learnpath $learningPath */
$learningPath = Session::read('oLP');
if ($learningPath) {
echo $learningPath->returnLpItemList(null);
}
}
}
break;
case 'update_lp_item_order':
if (api_is_allowed_to_edit(null, true)) {
// $new_order gets a value like "647|0^648|0^649|0^"
$new_order = $_POST['new_order'];
$sections = explode('^', $new_order);
$sections = array_filter($sections);
$orderList = [];
foreach ($sections as $items) {
[$id, $parentId] = explode('|', $items);
$orderList[$id] = $parentId;
}
learnpath::sortItemByOrderList($orderList);
echo Display::return_message(get_lang('Saved'), 'confirm');
}
break;
case 'record_audio':
if (api_is_allowed_to_edit(null, true) == false) {
exit;
}
/** @var Learnpath $lp */
$lp = Session::read('oLP');
$course_info = api_get_course_info();
$lpPathInfo = $lp->generate_lp_folder($course_info);
if (empty($lpPathInfo)) {
exit;
}
foreach (['video', 'audio'] as $type) {
if (isset($_FILES["${type}-blob"])) {
$fileName = $_POST["${type}-filename"];
$file = $_FILES["${type}-blob"];
$title = $_POST['audio-title'];
$fileInfo = pathinfo($fileName);
//$file['name'] = 'rec_'.date('Y-m-d_His').'_'.uniqid().'.'.$fileInfo['extension'];
$file['name'] = $title.'.'.$fileInfo['extension'];
$file['file'] = $file;
$result = DocumentManager::upload_document(
$file,
'/audio',
$file['name'],
null,
0,
'overwrite',
false,
false
);
if (!empty($result) && is_array($result)) {
$newDocId = $result['id'];
$courseId = $result['c_id'];
$lp->set_modified_on();
$lpItem = new learnpathItem($_REQUEST['lp_item_id']);
$lpItem->add_audio_from_documents($newDocId);
$data = DocumentManager::get_document_data_by_id($newDocId, $course_info['code']);
echo $data['document_url'];
exit;
}
}
}
break;
case 'get_forum_thread':
$lpId = isset($_GET['lp']) ? intval($_GET['lp']) : 0;
$lpItemId = isset($_GET['lp_item']) ? intval($_GET['lp_item']) : 0;
$sessionId = api_get_session_id();
if (empty($lpId) || empty($lpItemId)) {
echo json_encode([
'error' => true,
]);
break;
}
$learningPath = learnpath::getLpFromSession(
api_get_course_id(),
$lpId,
api_get_user_id()
);
$lpItem = $learningPath->getItem($lpItemId);
if (empty($lpItem)) {
echo json_encode([
'error' => true,
]);
break;
}
$lpHasForum = $learningPath->lpHasForum();
if (!$lpHasForum) {
echo json_encode([
'error' => true,
]);
break;
}
$forum = $learningPath->getForum($sessionId);
if (empty($forum)) {
require_once '../../forum/forumfunction.inc.php';
$forumCategory = getForumCategoryByTitle(
get_lang('LearningPaths'),
$courseId,
$sessionId
);
if (empty($forumCategory)) {
$forumCategoryId = store_forumcategory(
[
'lp_id' => 0,
'forum_category_title' => get_lang('LearningPaths'),
'forum_category_comment' => null,
],
[],
false
);
} else {
$forumCategoryId = $forumCategory['cat_id'];
}
$forumId = $learningPath->createForum($forumCategoryId);
} else {
$forumId = $forum['forum_id'];
}
$lpItemHasThread = $lpItem->lpItemHasThread($courseId);
if (!$lpItemHasThread) {
echo json_encode([
'error' => true,
]);
break;
}
$forumThread = $lpItem->getForumThread($courseId, $sessionId);
if (empty($forumThread)) {
$lpItem->createForumThread($forumId);
$forumThread = $lpItem->getForumThread($courseId, $sessionId);
}
$forumThreadId = $forumThread['thread_id'];
echo json_encode([
'error' => false,
'forumId' => intval($forum['forum_id']),
'threadId' => intval($forumThreadId),
]);
break;
case 'update_gamification':
$lp = Session::read('oLP');
$jsonGamification = [
'stars' => 0,
'score' => 0,
];
if ($lp) {
$score = $lp->getCalculateScore($sessionId);
$jsonGamification['stars'] = $lp->getCalculateStars($sessionId);
$jsonGamification['score'] = sprintf(get_lang('XPoints'), $score);
}
echo json_encode($jsonGamification);
break;
case 'check_item_position':
$lp = Session::read('oLP');
$lpItemId = isset($_GET['lp_item']) ? intval($_GET['lp_item']) : 0;
if ($lp) {
$position = $lp->isFirstOrLastItem($lpItemId);
echo json_encode($position);
}
break;
case 'get_parent_names':
$newItemId = isset($_GET['new_item']) ? intval($_GET['new_item']) : 0;
if (!$newItemId) {
break;
}
/** @var \learnpath $lp */
$lp = Session::read('oLP');
$parentNames = $lp->getCurrentItemParentNames($newItemId);
$response = '';
foreach ($parentNames as $parentName) {
$response .= '<p class="h5 hidden-xs hidden-md">'.$parentName.'</p>';
}
echo $response;
break;
case 'get_item_prerequisites':
/** @var learnpath $lp */
$lp = Session::read('oLP');
$itemId = isset($_GET['item_id']) ? (int) $_GET['item_id'] : 0;
if (empty($lp) || empty($itemId)) {
exit;
}
if ($lp->debug) {
error_log('--------------------------------------');
error_log('get_item_prerequisites');
}
$result = $lp->prerequisites_match($itemId);
if ($result) {
echo '1';
} else {
if (!empty($lp->error)) {
echo $lp->error;
} else {
echo get_lang('LearnpathPrereqNotCompleted');
}
}
$lp->error = '';
exit;
break;
default:
echo '';
}