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

1653 lines
60 KiB

<?php
/* For licensing terms, see /license.txt */
use ChamiloSession as Session;
/**
* Controller script. Prepares the common background variables to give to the scripts corresponding to
* the requested action.
*
* @todo remove repeated if $lp_found redirect
*
* @package chamilo.learnpath
*
* @author Yannick Warnier <ywarnier@beeznest.org>
*/
// Flag to allow for anonymous user - needs to be set before global.inc.php.
$use_anonymous = true;
$debug = 0;
require_once __DIR__.'/../inc/global.inc.php';
api_protect_course_script(true);
$current_course_tool = TOOL_LEARNPATH;
$_course = api_get_course_info();
$glossaryExtraTools = api_get_setting('show_glossary_in_extra_tools');
$showGlossary = in_array($glossaryExtraTools, ['true', 'lp', 'exercise_and_lp']);
if ($showGlossary) {
if (api_get_setting('show_glossary_in_documents') === 'ismanual' ||
api_get_setting('show_glossary_in_documents') === 'isautomatic'
) {
$htmlHeadXtra[] = '<script>
<!--
var jQueryFrameReadyConfigPath = \''.api_get_jquery_web_path().'\';
-->
</script>';
$htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.frameready.js" type="text/javascript" language="javascript"></script>';
$htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.highlight.js" type="text/javascript" language="javascript"></script>';
}
}
$htmlHeadXtra[] = '<script>
function setFocus(){
$("#idTitle").focus();
}
$(window).on("load", function () {
setFocus();
});
</script>';
$ajax_url = api_get_path(WEB_AJAX_PATH).'lp.ajax.php?'.api_get_cidreq();
$htmlHeadXtra[] = '
<script>
/*
Script to manipulate Learning Path items with Drag and drop
*/
var newOrderData = "";
function buildLPtree(in_elem, in_parent_id) {
var item_tag = in_elem.get(0).tagName;
var item_id = in_elem.attr("id");
var parent_id = item_id;
if (item_tag == "LI" && item_id != undefined) {
// in_parent_id de la forme UL_x
newOrderData += item_id+"|"+get_UL_integer_id(in_parent_id)+"^";
}
in_elem.children().each(function () {
buildLPtree($(this), parent_id);
});
}
// return the interge part of an UL id
// (0 for lp_item_list)
function get_UL_integer_id(in_ul_id) {
in_parent_integer_id = in_ul_id;
in_parent_integer_id = in_parent_integer_id.replace("lp_item_list", "0");
in_parent_integer_id = in_parent_integer_id.replace("UL_", "");
return in_parent_integer_id;
}
$(function() {
$(".lp_resource").sortable({
items: ".lp_resource_element ",
handle: ".moved", //only the class "moved"
cursor: "move",
connectWith: "#lp_item_list",
placeholder: "ui-state-highlight", //defines the yellow highlight
start: function(event, ui) {
$(ui.item).css("width", "350px");
$(ui.item).find(".item_data").attr("style", "");
},
stop: function(event, ui) {
$(ui.item).css("width", "100%");
}
});
$(".li_container .order_items").click(function(e) {
var dir = $(this).data("dir");
var itemId = $(this).data("id");
var jItems = $("#lp_item_list li.li_container");
var jItem = $("#"+ itemId);
var index = jItems.index(jItem);
var total = jItems.length;
switch (dir) {
case "up":
if (index != 0 && jItems[index - 1]) {
/*var subItems = $(jItems[index - 1]).find("li.sub_item");
if (subItems.length >= 0) {
index = index - 1;
}*/
var subItems = $(jItems[index - 1]).find("li.sub_item");
var parentClass = $(jItems[index - 1]).parent().parent().attr("class");
var parentId = $(jItems[index]).parent().parent().attr("id");
var myParentId = $(jItems[index - 1]).parent().parent().attr("id");
//console.log(parentId + " - " + myParentId);
// We are brothers!
if (parentId == myParentId) {
console.log("Brothers");
console.log(subItems.length);
if (subItems.length > 0) {
var lastItem = $(jItems[index - 1]).find("li.sub_item");
parentIndex = jItems.index(lastItem);
console.log(parentIndex);
jItem.detach().insertAfter(lastItem);
//console.log("not classic");
} else {
//console.log("classic");
jItem.detach().insertBefore(jItems[index - 1]);
}
break;
}
//console.log(parentClass);
if (parentClass == "record li_container") {
// previous is a chapter
var lastItem = $(jItems[index - 1]).parent().parent().find("li.li_container").last();
parentIndex = jItems.index(lastItem);
//console.log(parentIndex);
jItem.detach().insertAfter(jItems[parentIndex]);
} else {
jItem.detach().insertBefore(jItems[index - 1]);
}
}
break;
case "down":
if (index != total - 1) {
const originIndex = index;
// The element is a chapter with items
var subItems = jItem.find("li.li_container");
if (subItems.length > 0) {
index = subItems.length + index;
//console.log("element is a chapter with items");
//console.log("new index = " + index);
}
var subItems = $(jItems[index + 1]).find("li.sub_item");
//console.log("next subItems.length: "+subItems.length);
// This is an element entering in a chapter
if (subItems.length > 0) {
// Check if im a child
var parentClass = jItem.parent().parent().attr("class");
//console.log(parentClass);
if (parentClass == "record li_container") {
// Parent position
var parentIndex = jItems.index(jItem.parent().parent());
//console.log(jItem.parent().parent().attr("id"));
//console.log(parentIndex);
jItem.detach().insertAfter(jItems[parentIndex]);
} else {
jItem.detach().insertAfter(subItems);
}
break;
}
var currentSubItems = $(jItems[index]).parent().find("li.sub_item");
//console.log("currentSubItems"+currentSubItems.length);
var parentId = $(jItems[originIndex]).parent().parent().attr("id");
var myParentId = $(jItems[index + 1]).parent().parent().attr("id");
//console.log("parent ids: "+ parentId + " - " + myParentId);
// We are brothers!
if (parentId == myParentId) {
if ((index + 1) < total) {
//console.log(index + 1);
//console.log("We are brothers");
jItem.detach().insertAfter(jItems[index + 1]);
}
break;
}
if (currentSubItems.length > 0) {
var parentIndex = jItems.index(jItem.parent().parent());
//console.log("has currentSubItems");
//console.log("id " + jItem.parent().parent().attr("id"));
//console.log("parentIndex: " + parentIndex);
if (parentIndex >= 0) {
jItem.detach().insertAfter(jItems[parentIndex]);
break;
}
//jItem.detach().insertAfter($(jItems[index]).parent().parent());
}
//var lastItem = $(jItems[index + 1]).parent().parent().find("li.li_container").last();
if (subItems.length > 0) {
index = originIndex;
}
if ((index + 1) < total) {
//console.log(index + 1);
//console.log("changed");
jItem.detach().insertAfter(jItems[index + 1]);
}
}
break;
}
//console.log("rebuild");
buildLPtree($("#lp_item_list"), 0);
var order = "new_order="+ newOrderData + "&a=update_lp_item_order";
$.post(
"'.$ajax_url.'",
order,
function(reponse) {
$("#message").html(reponse);
order = "";
newOrderData = "";
}
);
});
$("#lp_item_list").sortable({
items: "li",
handle: ".moved", //only the class "moved"
cursor: "move",
placeholder: "ui-state-highlight", //defines the yellow highlight
update: function(event, ui) {
buildLPtree($("#lp_item_list"), 0);
var order = "new_order="+ newOrderData + "&a=update_lp_item_order";
$.post(
"'.$ajax_url.'",
order,
function(reponse) {
$("#message").html(reponse);
order = "";
newOrderData = "";
}
);
},
receive: function(event, ui) {
var id = $(ui.item).attr("data_id");
var type = $(ui.item).attr("data_type");
var title = $(ui.item).attr("title");
processReceive = true;
if (ui.item.parent()[0]) {
var parent_id = $(ui.item.parent()[0]).attr("id");
var previous_id = $(ui.item.prev()).attr("id");
if (parent_id) {
parent_id = parent_id.split("_")[1];
var params = {
"a": "add_lp_item",
"id": id,
"parent_id": parent_id,
"previous_id": previous_id,
"type": type,
"title" : title
};
$.ajax({
type: "GET",
url: "'.$ajax_url.'",
data: params,
async: false,
success: function(data) {
$("#lp_item_list").html(data);
}
});
}
}
} // End receive
});
processReceive = false;
});
</script>';
$session_id = api_get_session_id();
$lpfound = false;
$myrefresh = 0;
$myrefresh_id = 0;
$refresh = Session::read('refresh');
if ($refresh == 1) {
// Check if we should do a refresh of the oLP object (for example after editing the LP).
// If refresh is set, we regenerate the oLP object from the database (kind of flush).
Session::erase('refresh');
$myrefresh = 1;
}
if ($debug > 0) {
error_log(' $refresh: '.$refresh);
error_log(' $myrefresh: '.$myrefresh);
}
$lp_controller_touched = 1;
$lp_found = false;
$lpObject = Session::read('lpobject');
if (!empty($lpObject)) {
if ($debug) {
error_log(' SESSION[lpobject] is defined');
}
/** @var learnpath $oLP */
$oLP = UnserializeApi::unserialize('lp', $lpObject);
if (isset($oLP) && is_object($oLP)) {
if ($debug) {
error_log(' oLP is object');
}
if ($myrefresh == 1 ||
empty($oLP->cc) ||
$oLP->cc != api_get_course_id() ||
$oLP->lp_view_session_id != $session_id
) {
if ($debug) {
error_log('Course has changed, discard lp object');
error_log('$oLP->lp_view_session_id: '.$oLP->lp_view_session_id);
error_log('api_get_session_id(): '.$session_id);
error_log('$oLP->cc: '.$oLP->cc);
error_log('api_get_course_id(): '.api_get_course_id());
}
if ($myrefresh == 1) {
$myrefresh_id = $oLP->get_id();
}
$oLP = null;
Session::erase('oLP');
Session::erase('lpobject');
} else {
Session::write('oLP', $oLP);
$lp_found = true;
}
}
}
if ($debug) {
error_log('$lp_found: '.$lp_found);
error_log('$myrefresh_id: '.$myrefresh_id);
}
$course_id = api_get_course_int_id();
if (!$lp_found || (!empty($_REQUEST['lp_id']) && $_SESSION['oLP']->get_id() != $_REQUEST['lp_id'])) {
if ($debug > 0) {
error_log(' oLP is not object, has changed or refresh been asked, getting new');
}
// Regenerate a new lp object? Not always as some pages don't need the object (like upload?)
if (!empty($_REQUEST['lp_id']) || !empty($myrefresh_id)) {
// Select the lp in the database and check which type it is (scorm/chamilo/aicc) to generate the
// right object.
if (!empty($_REQUEST['lp_id'])) {
$lp_id = $_REQUEST['lp_id'];
} else {
$lp_id = $myrefresh_id;
}
$lp_id = (int) $lp_id;
$lp_table = Database::get_course_table(TABLE_LP_MAIN);
if (!empty($lp_id)) {
$sel = "SELECT iid, lp_type FROM $lp_table WHERE c_id = $course_id AND id = $lp_id";
if ($debug > 0) {
error_log(' querying '.$sel);
}
$res = Database::query($sel);
if (Database::num_rows($res)) {
$row = Database::fetch_array($res);
$lpIid = $row['iid'];
$type = $row['lp_type'];
if ($debug > 0) {
error_log('Found row type '.$type);
error_log('Calling constructor: '.api_get_course_id().' - '.$lp_id.' - '.api_get_user_id());
}
$logInfo = [
'tool' => TOOL_LEARNPATH,
'tool_id' => 0,
'tool_id_detail' => 0,
'action' => 'lp_load',
];
Event::registerLog($logInfo);
switch ($type) {
case 1:
$oLP = new learnpath(api_get_course_id(), $lpIid, api_get_user_id());
if ($oLP !== false) {
$lp_found = true;
}
break;
case 2:
$oLP = new scorm(api_get_course_id(), $lpIid, api_get_user_id());
if ($oLP !== false) {
$lp_found = true;
}
break;
case 3:
$oLP = new aicc(api_get_course_id(), $lpIid, api_get_user_id());
if ($oLP !== false) {
$lp_found = true;
}
break;
default:
$oLP = new learnpath(api_get_course_id(), $lpIid, api_get_user_id());
if ($oLP !== false) {
$lp_found = true;
}
break;
}
}
} else {
if ($debug > 0) {
error_log(' Request[lp_id] is not numeric');
}
}
} else {
if ($debug > 0) {
error_log(' Request[lp_id] and refresh_id were empty');
}
}
if ($lp_found) {
Session::write('oLP', $oLP);
}
}
if ($debug > 0) {
error_log('Passed oLP creation check');
}
$is_allowed_to_edit = api_is_allowed_to_edit(false, true, false, false);
if (isset($_SESSION['oLP'])) {
// Reinitialises array used by javascript to update items in the TOC.
$_SESSION['oLP']->update_queue = [];
}
$action = !empty($_REQUEST['action']) ? $_REQUEST['action'] : '';
if ($debug) {
error_log('Entered lp_controller.php -+- (action: '.$action.')');
}
$eventLpId = $lp_id = !empty($_REQUEST['lp_id']) ? (int) $_REQUEST['lp_id'] : 0;
if (empty($lp_id)) {
if (isset($_SESSION['oLP'])) {
$eventLpId = $_SESSION['oLP']->get_id();
}
}
$lp_detail_id = 0;
$attemptId = 0;
switch ($action) {
case '':
case 'list':
$eventLpId = 0;
break;
case 'view':
case 'content':
$lp_detail_id = $oLP->get_current_item_id();
$attemptId = $oLP->getCurrentAttempt();
break;
default:
$lp_detail_id = (!empty($_REQUEST['id']) ? (int) $_REQUEST['id'] : 0);
break;
}
$logInfo = [
'tool' => TOOL_LEARNPATH,
'tool_id' => $eventLpId,
'tool_id_detail' => $lp_detail_id,
'action_details' => $attemptId,
'action' => !empty($action) ? $action : 'list',
];
Event::registerLog($logInfo);
// format title to be displayed correctly if QUIZ
$post_title = '';
if (isset($_POST['title'])) {
$post_title = Security::remove_XSS($_POST['title']);
if (isset($_POST['type']) &&
isset($_POST['title']) &&
$_POST['type'] == TOOL_QUIZ &&
!empty($_POST['title'])
) {
$post_title = Exercise::format_title_variable($_POST['title']);
if (api_get_configuration_value('save_titles_as_html')) {
$post_title = $_POST['title'];
}
}
}
$redirectTo = '';
if ($debug > 0) {
error_log('action "'.$action.'" triggered');
}
switch ($action) {
case 'send_notify_teacher':
// Send notification to the teacher
$studentInfo = api_get_user_info();
$course_info = api_get_course_info();
$sessionId = api_get_session_id();
$courseName = $course_info['title'];
$courseUrl = $course_info['course_public_url'];
if (!empty($sessionId)) {
$sessionInfo = api_get_session_info($sessionId);
$courseName = $sessionInfo['name'];
$courseUrl .= '?id_session='.$sessionId;
}
$url = Display::url($courseName, $courseUrl, ['title' => get_lang('GoToCourse')]);
$coachList = CourseManager::get_coachs_from_course($sessionId, api_get_course_int_id());
foreach ($coachList as $coach_course) {
$recipientName = $coach_course['full_name'];
$coachInfo = api_get_user_info($coach_course['user_id']);
if (empty($coachInfo)) {
continue;
}
$email = $coachInfo['email'];
$tplContent = new Template(null, false, false, false, false, false);
$tplContent->assign('name_teacher', $recipientName);
$tplContent->assign('name_student', $studentInfo['complete_name']);
$tplContent->assign('course_name', $courseName);
$tplContent->assign('course_url', $url);
$layoutContent = $tplContent->get_template('mail/content_ending_learnpath.tpl');
$emailBody = $tplContent->fetch($layoutContent);
api_mail_html(
$recipientName,
$email,
sprintf(get_lang('StudentXFinishedLp'), $studentInfo['complete_name']),
$emailBody,
$studentInfo['complete_name'],
$studentInfo['email'],
true
);
}
Display::addFlash(Display::return_message(get_lang('MessageSent')));
$url = api_get_self().'?action=list&'.api_get_cidreq();
header('Location: '.$url);
exit;
break;
case 'add_item':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
// Check if the learnpath ID was defined, otherwise send back to list
require 'lp_list.php';
} else {
Session::write('refresh', 1);
if (isset($_POST['submit_button']) && !empty($post_title)) {
// If a title was submitted:
// Updating the lp.modified_on
$_SESSION['oLP']->set_modified_on();
if (isset($_SESSION['post_time']) && $_SESSION['post_time'] == $_POST['post_time']) {
// Check post_time to ensure ??? (counter-hacking measure?)
require 'lp_add_item.php';
} else {
Session::write('post_time', $_POST['post_time']);
$directoryParentId = isset($_POST['directory_parent_id']) ? $_POST['directory_parent_id'] : 0;
$courseInfo = api_get_course_info();
if (empty($directoryParentId)) {
$_SESSION['oLP']->generate_lp_folder($courseInfo);
}
$parent = isset($_POST['parent']) ? $_POST['parent'] : '';
$previous = isset($_POST['previous']) ? $_POST['previous'] : '';
$type = isset($_POST['type']) ? $_POST['type'] : '';
$path = isset($_POST['path']) ? $_POST['path'] : '';
$description = isset($_POST['description']) ? $_POST['description'] : '';
$prerequisites = isset($_POST['prerequisites']) ? $_POST['prerequisites'] : '';
$maxTimeAllowed = isset($_POST['maxTimeAllowed']) ? $_POST['maxTimeAllowed'] : '';
if ($_POST['type'] == TOOL_DOCUMENT) {
if (isset($_POST['path']) && $_GET['edit'] != 'true') {
$document_id = $_POST['path'];
} else {
if ($_POST['content_lp']) {
$document_id = $_SESSION['oLP']->create_document(
$_course,
$_POST['content_lp'],
$_POST['title'],
'html',
$directoryParentId
);
}
}
$_SESSION['oLP']->add_item(
$parent,
$previous,
$type,
$document_id,
$post_title,
$description,
$prerequisites
);
} elseif ($_POST['type'] == TOOL_READOUT_TEXT) {
if (isset($_POST['path']) && $_GET['edit'] != 'true') {
$document_id = $_POST['path'];
} else {
$document_id = $_SESSION['oLP']->createReadOutText(
$_course,
$_POST['content_lp'],
$_POST['title'],
$directoryParentId
);
}
$_SESSION['oLP']->add_item(
$parent,
$previous,
TOOL_READOUT_TEXT,
$document_id,
$post_title,
$description,
$prerequisites
);
} else {
// For all other item types than documents,
// load the item using the item type and path rather than its ID.
$_SESSION['oLP']->add_item(
$parent,
$previous,
$type,
$path,
$post_title,
$description,
$prerequisites,
$maxTimeAllowed
);
}
$url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
header('Location: '.$url);
exit;
}
} else {
require 'lp_add_item.php';
}
}
break;
case 'add_users_to_category':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
require 'lp_subscribe_users_to_category.php';
break;
case 'add_audio':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
// Check if the learnpath ID was defined, otherwise send back to list
require 'lp_list.php';
} else {
Session::write('refresh', 1);
if (isset($_REQUEST['id'])) {
$lp_item_obj = new learnpathItem($_REQUEST['id']);
// Remove audio
if (isset($_GET['delete_file']) && $_GET['delete_file'] == 1) {
$lp_item_obj->remove_audio();
$url = api_get_self().'?action=add_audio&lp_id='.intval($_SESSION['oLP']->lp_id).'&id='.$lp_item_obj->get_id().'&'.api_get_cidreq();
header('Location: '.$url);
exit;
}
// Upload audio
if (isset($_FILES['file']) && !empty($_FILES['file'])) {
// Updating the lp.modified_on
$_SESSION['oLP']->set_modified_on();
$lp_item_obj->add_audio();
}
//Add audio file from documents
if (isset($_REQUEST['document_id']) && !empty($_REQUEST['document_id'])) {
$_SESSION['oLP']->set_modified_on();
$lp_item_obj->add_audio_from_documents($_REQUEST['document_id']);
}
// Display.
require 'lp_add_audio.php';
} else {
require 'lp_add_audio.php';
}
}
break;
case 'add_lp_category':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
require 'lp_add_category.php';
break;
case 'move_up_category':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (isset($_REQUEST['id'])) {
learnpath::moveUpCategory($_REQUEST['id']);
}
require 'lp_list.php';
break;
case 'move_down_category':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (isset($_REQUEST['id'])) {
learnpath::moveDownCategory($_REQUEST['id']);
}
require 'lp_list.php';
break;
case 'delete_lp_category':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (isset($_REQUEST['id'])) {
$result = learnpath::deleteCategory($_REQUEST['id']);
if ($result) {
Display::addFlash(Display::return_message(get_lang('Deleted')));
}
}
require 'lp_list.php';
break;
case 'add_lp':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (isset($_REQUEST['lp_name']) && !empty($_REQUEST['lp_name'])) {
$_REQUEST['lp_name'] = trim($_REQUEST['lp_name']);
Session::write('refresh', 1);
if (isset($_SESSION['post_time']) && $_SESSION['post_time'] == $_REQUEST['post_time']) {
require 'lp_add.php';
} else {
Session::write('post_time', $_POST['post_time']);
$publicated_on = null;
if (isset($_REQUEST['activate_start_date_check']) &&
$_REQUEST['activate_start_date_check'] == 1
) {
$publicated_on = $_REQUEST['publicated_on'];
}
$expired_on = null;
if (isset($_REQUEST['activate_end_date_check']) &&
$_REQUEST['activate_end_date_check'] == 1
) {
$expired_on = $_REQUEST['expired_on'];
}
$new_lp_id = learnpath::add_lp(
api_get_course_id(),
$_REQUEST['lp_name'],
'',
'chamilo',
'manual',
'',
$publicated_on,
$expired_on,
$_REQUEST['category_id']
);
if (is_numeric($new_lp_id)) {
// Create temp form validator to save skills
$form = new FormValidator('lp_add');
$form->addSelect('skills', 'skills');
Skill::saveSkills($form, ITEM_TYPE_LEARNPATH, $new_lp_id);
$extraFieldValue = new ExtraFieldValue('lp');
$_REQUEST['item_id'] = $new_lp_id;
$extraFieldValue->saveFieldValues($_REQUEST);
// TODO: Maybe create a first directory directly to avoid bugging the user with useless queries
$_SESSION['oLP'] = new learnpath(
api_get_course_id(),
$new_lp_id,
api_get_user_id()
);
$accumulateScormTime = isset($_REQUEST['accumulate_scorm_time']) ? $_REQUEST['accumulate_scorm_time'] : 'true';
$_SESSION['oLP']->setAccumulateScormTime($accumulateScormTime);
$url = api_get_self().'?action=add_item&type=step&lp_id='.intval($new_lp_id).'&'.api_get_cidreq();
header("Location: $url&isStudentView=false");
exit;
}
}
} else {
require 'lp_add.php';
}
break;
case 'admin_view':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
Session::write('refresh', 1);
require 'lp_admin_view.php';
}
break;
case 'auto_launch':
// Redirect to a specific LP
if (api_get_course_setting('enable_lp_auto_launch') == 1) {
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
$_SESSION['oLP']->set_autolaunch($_GET['lp_id'], $_GET['status']);
require 'lp_list.php';
exit;
}
}
break;
case 'build':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
Session::write('refresh', 1);
$url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
header('Location: '.$url);
exit;
}
break;
case 'edit_item':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
Session::write('refresh', 1);
if (isset($_POST['submit_button']) && !empty($post_title)) {
// Updating the lp.modified_on
$_SESSION['oLP']->set_modified_on();
// TODO: mp3 edit
$audio = [];
if (isset($_FILES['mp3'])) {
$audio = $_FILES['mp3'];
}
$description = isset($_POST['description']) ? $_POST['description'] : '';
$prerequisites = isset($_POST['prerequisites']) ? $_POST['prerequisites'] : '';
$maxTimeAllowed = isset($_POST['maxTimeAllowed']) ? $_POST['maxTimeAllowed'] : '';
$url = isset($_POST['url']) ? $_POST['url'] : '';
$_SESSION['oLP']->edit_item(
$_REQUEST['id'],
$_POST['parent'],
$_POST['previous'],
$post_title,
$description,
$prerequisites,
$audio,
$maxTimeAllowed,
$url
);
if (isset($_POST['content_lp'])) {
$_SESSION['oLP']->edit_document($_course);
}
Display::addFlash(Display::return_message(get_lang('Updated')));
$url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
header('Location: '.$url);
exit;
}
if (isset($_GET['view']) && $_GET['view'] === 'build') {
require 'lp_edit_item.php';
} else {
require 'lp_admin_view.php';
}
}
break;
case 'edit_item_prereq':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
if (isset($_POST['submit_button'])) {
// Updating the lp.modified_on
$_SESSION['oLP']->set_modified_on();
Session::write('refresh', 1);
$min = isset($_POST['min_'.$_POST['prerequisites']]) ? $_POST['min_'.$_POST['prerequisites']] : '';
$max = isset($_POST['max_'.$_POST['prerequisites']]) ? $_POST['max_'.$_POST['prerequisites']] : '';
$editPrerequisite = $_SESSION['oLP']->edit_item_prereq(
$_GET['id'],
$_POST['prerequisites'],
$min,
$max
);
Display::addFlash(Display::return_message(get_lang('Updated')));
$url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
header('Location: '.$url);
exit;
} else {
require 'lp_edit_item_prereq.php';
}
}
break;
case 'move_item':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
Session::write('refresh', 1);
if (isset($_POST['submit_button'])) {
//Updating the lp.modified_on
$_SESSION['oLP']->set_modified_on();
$_SESSION['oLP']->edit_item(
$_GET['id'],
$_POST['parent'],
$_POST['previous'],
$post_title,
$_POST['description']
);
$url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
header('Location: '.$url);
exit;
}
if (isset($_GET['view']) && $_GET['view'] == 'build') {
require 'lp_move_item.php';
} else {
// Avoids weird behaviours see CT#967.
$check = Security::check_token('get');
if ($check) {
$_SESSION['oLP']->move_item($_GET['id'], $_GET['direction']);
}
Security::clear_token();
require 'lp_admin_view.php';
}
}
break;
case 'view_item':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
Session::write('refresh', 1);
require 'lp_view_item.php';
}
break;
case 'upload':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
$cwdir = getcwd();
require 'lp_upload.php';
// Reinit current working directory as many functions in upload change it.
chdir($cwdir);
require 'lp_list.php';
break;
case 'copy':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
$hideScormCopyLink = api_get_setting('hide_scorm_copy_link');
if ($hideScormCopyLink === 'true') {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
$_SESSION['oLP']->copy();
}
require 'lp_list.php';
break;
case 'export':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
$hideScormExportLink = api_get_setting('hide_scorm_export_link');
if ($hideScormExportLink === 'true') {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
$_SESSION['oLP']->scormExport();
exit();
}
break;
case 'export_to_pdf':
$hideScormPdfLink = api_get_setting('hide_scorm_pdf_link');
if ($hideScormPdfLink === 'true') {
api_not_allowed(true);
}
// Teachers can export to PDF
if (!$is_allowed_to_edit) {
if (!learnpath::is_lp_visible_for_student($_SESSION['oLP']->lp_id, api_get_user_id(), $_course)) {
api_not_allowed();
}
}
if (!$lp_found) {
require 'lp_list.php';
} else {
$result = $_SESSION['oLP']->scorm_export_to_pdf($_GET['lp_id']);
if (!$result) {
require 'lp_list.php';
}
exit;
}
break;
case 'export_to_course_build':
$allowExport = api_get_configuration_value('allow_lp_chamilo_export');
if (api_is_allowed_to_edit() && $allowExport) {
if (!$lp_found) {
require 'lp_list.php';
} else {
$result = $_SESSION['oLP']->exportToCourseBuildFormat($_GET['lp_id']);
if (!$result) {
require 'lp_list.php';
}
exit;
}
}
require 'lp_list.php';
break;
case 'delete':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
Session::write('refresh', 1);
$_SESSION['oLP']->delete(null, $_GET['lp_id'], 'remove');
Skill::deleteSkillsFromItem($_GET['lp_id'], ITEM_TYPE_LEARNPATH);
Display::addFlash(Display::return_message(get_lang('Deleted')));
Session::erase('oLP');
require 'lp_list.php';
}
break;
case 'toggle_category_visibility':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
learnpath::toggleCategoryVisibility($_REQUEST['id'], $_REQUEST['new_status']);
Display::addFlash(Display::return_message(get_lang('Updated')));
header('Location: '.api_get_self().'?'.api_get_cidreq());
exit;
case 'toggle_visible':
// Change lp visibility (inside lp tool).
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
learnpath::toggle_visibility($_REQUEST['lp_id'], $_REQUEST['new_status']);
Display::addFlash(Display::return_message(get_lang('Updated')));
require 'lp_list.php';
}
break;
case 'toggle_category_publish':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
learnpath::toggleCategoryPublish($_REQUEST['id'], $_REQUEST['new_status']);
Display::addFlash(Display::return_message(get_lang('Updated')));
require 'lp_list.php';
break;
case 'toggle_publish':
// Change lp published status (visibility on homepage).
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
learnpath::toggle_publish($_REQUEST['lp_id'], $_REQUEST['new_status']);
Display::addFlash(Display::return_message(get_lang('Updated')));
require 'lp_list.php';
}
break;
case 'move_lp_up':
// Change lp published status (visibility on homepage)
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
learnpath::move_up($_REQUEST['lp_id'], $_REQUEST['category_id']);
Display::addFlash(Display::return_message(get_lang('Updated')));
require 'lp_list.php';
}
break;
case 'move_lp_down':
// Change lp published status (visibility on homepage)
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
learnpath::move_down($_REQUEST['lp_id'], $_REQUEST['category_id']);
Display::addFlash(Display::return_message(get_lang('Updated')));
require 'lp_list.php';
}
break;
case 'edit':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
Session::write('refresh', 1);
require 'lp_edit.php';
}
break;
case 'update_lp':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
Session::write('refresh', 1);
$_SESSION['oLP']->set_name($_REQUEST['lp_name']);
$author = $_REQUEST['lp_author'];
// Fixing the author name (no body or html tags).
$auth_init = stripos($author, '<p>');
if ($auth_init === false) {
$auth_init = stripos($author, '<body>');
$auth_end = $auth_init + stripos(substr($author, $auth_init + 6), '</body>') + 7;
$len = $auth_end - $auth_init + 6;
} else {
$auth_end = strripos($author, '</p>');
$len = $auth_end - $auth_init + 4;
}
$author_fixed = substr($author, $auth_init, $len);
$_SESSION['oLP']->set_author($author_fixed);
// TODO (as of Chamilo 1.8.8): Check in the future whether this field is needed.
$_SESSION['oLP']->set_encoding($_REQUEST['lp_encoding']);
if (isset($_REQUEST['lp_maker'])) {
$_SESSION['oLP']->set_maker($_REQUEST['lp_maker']);
}
if (isset($_REQUEST['lp_proximity'])) {
$_SESSION['oLP']->set_proximity($_REQUEST['lp_proximity']);
}
$_SESSION['oLP']->set_theme($_REQUEST['lp_theme']);
$hide_toc_frame = null;
if (isset($_REQUEST['hide_toc_frame']) && $_REQUEST['hide_toc_frame'] == 1) {
$hide_toc_frame = $_REQUEST['hide_toc_frame'];
}
$_SESSION['oLP']->set_hide_toc_frame($hide_toc_frame);
$_SESSION['oLP']->set_prerequisite(isset($_POST['prerequisites']) ? (int) $_POST['prerequisites'] : 0);
$_SESSION['oLP']->setAccumulateWorkTime(isset($_REQUEST['accumulate_work_time']) ? $_REQUEST['accumulate_work_time'] : 0);
$_SESSION['oLP']->set_use_max_score(isset($_POST['use_max_score']) ? 1 : 0);
$subscribeUsers = isset($_REQUEST['subscribe_users']) ? 1 : 0;
$_SESSION['oLP']->setSubscribeUsers($subscribeUsers);
$accumulateScormTime = isset($_REQUEST['accumulate_scorm_time']) ? $_REQUEST['accumulate_scorm_time'] : 'true';
$_SESSION['oLP']->setAccumulateScormTime($accumulateScormTime);
$publicated_on = null;
if (isset($_REQUEST['activate_start_date_check']) && $_REQUEST['activate_start_date_check'] == 1) {
$publicated_on = $_REQUEST['publicated_on'];
}
$expired_on = null;
if (isset($_REQUEST['activate_end_date_check']) && $_REQUEST['activate_end_date_check'] == 1) {
$expired_on = $_REQUEST['expired_on'];
}
$_SESSION['oLP']->setCategoryId($_REQUEST['category_id']);
$_SESSION['oLP']->set_modified_on();
$_SESSION['oLP']->set_publicated_on($publicated_on);
$_SESSION['oLP']->set_expired_on($expired_on);
if (isset($_REQUEST['remove_picture']) && $_REQUEST['remove_picture']) {
$_SESSION['oLP']->delete_lp_image();
}
$extraFieldValue = new ExtraFieldValue('lp');
$_REQUEST['item_id'] = $_SESSION['oLP']->lp_id;
$extraFieldValue->saveFieldValues($_REQUEST);
if ($_FILES['lp_preview_image']['size'] > 0) {
$_SESSION['oLP']->upload_image($_FILES['lp_preview_image']);
}
$form = new FormValidator('form1');
$form->addSelect('skills', 'skills');
Skill::saveSkills($form, ITEM_TYPE_LEARNPATH, $_SESSION['oLP']->get_id());
if (api_get_setting('search_enabled') === 'true') {
require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
$specific_fields = get_specific_field_list();
foreach ($specific_fields as $specific_field) {
$_SESSION['oLP']->set_terms_by_prefix($_REQUEST[$specific_field['code']], $specific_field['code']);
$new_values = explode(',', trim($_REQUEST[$specific_field['code']]));
if (!empty($new_values)) {
array_walk($new_values, 'trim');
delete_all_specific_field_value(
api_get_course_id(),
$specific_field['id'],
TOOL_LEARNPATH,
$_SESSION['oLP']->lp_id
);
foreach ($new_values as $value) {
if (!empty($value)) {
add_specific_field_value(
$specific_field['id'],
api_get_course_id(),
TOOL_LEARNPATH,
$_SESSION['oLP']->lp_id,
$value
);
}
}
}
}
}
Display::addFlash(Display::return_message(get_lang('Updated')));
$url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
header('Location: '.$url);
exit;
}
break;
case 'add_sub_item':
// Add an item inside a dir/chapter.
// @todo check if this is @deprecated
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
Session::write('refresh', 1);
if (!empty($_REQUEST['parent_item_id'])) {
$_SESSION['from_learnpath'] = 'yes';
$_SESSION['origintoolurl'] = 'lp_controller.php?action=admin_view&lp_id='.intval($_REQUEST['lp_id']);
} else {
require 'lp_admin_view.php';
}
}
break;
case 'deleteitem':
case 'delete_item':
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
} else {
if (!empty($_REQUEST['id'])) {
$_SESSION['oLP']->delete_item($_REQUEST['id']);
}
$url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_REQUEST['lp_id']).'&'.api_get_cidreq();
header('Location: '.$url);
exit;
}
break;
case 'restart':
if (!$lp_found) {
require 'lp_list.php';
} else {
$_SESSION['oLP']->restart();
require 'lp_view.php';
}
break;
case 'last':
if (!$lp_found) {
require 'lp_list.php';
} else {
$_SESSION['oLP']->last();
require 'lp_view.php';
}
break;
case 'first':
if (!$lp_found) {
require 'lp_list.php';
} else {
$_SESSION['oLP']->first();
require 'lp_view.php';
}
break;
case 'next':
if (!$lp_found) {
require 'lp_list.php';
} else {
$_SESSION['oLP']->next();
require 'lp_view.php';
}
break;
case 'previous':
if (!$lp_found) {
require 'lp_list.php';
} else {
$_SESSION['oLP']->previous();
require 'lp_view.php';
}
break;
case 'content':
if (!$lp_found) {
require 'lp_list.php';
} else {
$_SESSION['oLP']->save_last();
$_SESSION['oLP']->set_current_item($_GET['item_id']);
$_SESSION['oLP']->start_current_item();
require 'lp_content.php';
}
break;
case 'view':
if (!$lp_found) {
require 'lp_list.php';
} else {
if (!empty($_REQUEST['item_id'])) {
$_SESSION['oLP']->set_current_item($_REQUEST['item_id']);
}
require 'lp_view.php';
}
break;
case 'save':
if (!$lp_found) {
require 'lp_list.php';
} else {
$_SESSION['oLP']->save_item();
require 'lp_save.php';
}
break;
case 'stats':
if (!$lp_found) {
require 'lp_list.php';
} else {
$_SESSION['oLP']->save_current();
$_SESSION['oLP']->save_last();
$output = require 'lp_stats.php';
echo $output;
}
break;
case 'list':
if ($lp_found) {
Session::write('refresh', 1);
$_SESSION['oLP']->save_last();
}
require 'lp_list.php';
break;
case 'mode':
// Switch between fullscreen and embedded mode.
$mode = $_REQUEST['mode'];
if ($mode == 'fullscreen') {
$_SESSION['oLP']->mode = 'fullscreen';
} elseif ($mode == 'embedded') {
$_SESSION['oLP']->mode = 'embedded';
} elseif ($mode == 'embedframe') {
$_SESSION['oLP']->mode = 'embedframe';
} elseif ($mode == 'impress') {
$_SESSION['oLP']->mode = 'impress';
}
require 'lp_view.php';
break;
case 'switch_view_mode':
if (!$lp_found) {
require 'lp_list.php';
}
if (Security::check_token('get')) {
Session::write('refresh', 1);
$_SESSION['oLP']->update_default_view_mode();
}
require 'lp_list.php';
break;
case 'switch_force_commit':
if (!$lp_found) {
require 'lp_list.php';
}
Session::write('refresh', 1);
$_SESSION['oLP']->update_default_scorm_commit();
require 'lp_list.php';
break;
case 'switch_attempt_mode':
if (!$lp_found) {
require 'lp_list.php';
}
Session::write('refresh', 1);
$_SESSION['oLP']->switch_attempt_mode();
require 'lp_list.php';
break;
case 'switch_scorm_debug':
if (!$lp_found) {
require 'lp_list.php';
}
Session::write('refresh', 1);
$_SESSION['oLP']->update_scorm_debug();
require 'lp_list.php';
break;
case 'intro_cmdAdd':
// Add introduction section page.
break;
case 'return_to_course_homepage':
if (!$lp_found) {
require 'lp_list.php';
} else {
$_SESSION['oLP']->save_current();
$_SESSION['oLP']->save_last();
if ($debug > 0) {
error_log('save_current()');
error_log('save_last()');
}
$url = api_get_path(WEB_COURSE_PATH).api_get_course_path().'/index.php?id_session='.api_get_session_id();
$redirectTo = isset($_GET['redirectTo']) ? $_GET['redirectTo'] : '';
switch ($redirectTo) {
case 'lp_list':
$url = 'lp_controller.php?'.api_get_cidreq();
break;
case 'my_courses':
$url = api_get_path(WEB_PATH).'user_portal.php';
break;
}
header('location: '.$url);
exit;
}
break;
case 'search':
/* Include the search script, it's smart enough to know when we are
* searching or not.
*/
require 'lp_list_search.php';
break;
case 'impress':
if (!$lp_found) {
require 'lp_list.php';
} else {
if ($debug > 0) {
error_log('Trying to impress this LP item to '.$_REQUEST['item_id'], 0);
}
if (!empty($_REQUEST['item_id'])) {
$_SESSION['oLP']->set_current_item($_REQUEST['item_id']);
}
require 'lp_impress.php';
}
break;
case 'set_previous_step_as_prerequisite':
$_SESSION['oLP']->set_previous_step_as_prerequisite_for_all_items();
$url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id)."&".api_get_cidreq();
Display::addFlash(Display::return_message(get_lang('ItemUpdated')));
header('Location: '.$url);
exit;
break;
case 'clear_prerequisites':
$_SESSION['oLP']->clear_prerequisites();
$url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id)."&".api_get_cidreq();
Display::addFlash(Display::return_message(get_lang('ItemUpdated')));
header('Location: '.$url);
exit;
break;
case 'toggle_seriousgame':
// activate/deactive seriousgame_mode
if (!$is_allowed_to_edit) {
api_not_allowed(true);
}
if (!$lp_found) {
require 'lp_list.php';
}
Session::write('refresh', 1);
$_SESSION['oLP']->set_seriousgame_mode();
require 'lp_list.php';
break;
case 'create_forum':
if (!isset($_GET['id'])) {
break;
}
$selectedItem = null;
foreach ($_SESSION['oLP']->items as $item) {
if ($item->db_id == $_GET['id']) {
$selectedItem = $item;
}
}
if (!empty($selectedItem)) {
$forumThread = $selectedItem->getForumThread(
$_SESSION['oLP']->course_int_id,
$_SESSION['oLP']->lp_session_id
);
if (empty($forumThread)) {
require '../forum/forumfunction.inc.php';
$forumCategory = getForumCategoryByTitle(
get_lang('LearningPaths'),
$_SESSION['oLP']->course_int_id,
$_SESSION['oLP']->lp_session_id
);
$forumCategoryId = !empty($forumCategory) ? $forumCategory['cat_id'] : 0;
if (empty($forumCategoryId)) {
$forumCategoryId = store_forumcategory(
[
'lp_id' => 0,
'forum_category_title' => get_lang('LearningPaths'),
'forum_category_comment' => null,
],
[],
false
);
}
if (!empty($forumCategoryId)) {
$forum = $_SESSION['oLP']->getForum(
$_SESSION['oLP']->lp_session_id
);
$forumId = !empty($forum) ? $forum['forum_id'] : 0;
if (empty($forumId)) {
$forumId = $_SESSION['oLP']->createForum($forumCategoryId);
}
if (!empty($forumId)) {
$selectedItem->createForumThread($forumId);
}
}
}
}
header('Location:'.api_get_self().'?'.http_build_query([
'action' => 'add_item',
'type' => 'step',
'lp_id' => $_SESSION['oLP']->lp_id,
]));
exit;
break;
case 'report':
require 'lp_report.php';
break;
case 'dissociate_forum':
if (!isset($_GET['id'])) {
break;
}
$selectedItem = null;
foreach ($_SESSION['oLP']->items as $item) {
if ($item->db_id != $_GET['id']) {
continue;
}
$selectedItem = $item;
}
if (!empty($selectedItem)) {
$forumThread = $selectedItem->getForumThread(
$_SESSION['oLP']->course_int_id,
$_SESSION['oLP']->lp_session_id
);
if (!empty($forumThread)) {
$dissociated = $selectedItem->dissociateForumThread($forumThread['iid']);
if ($dissociated) {
Display::addFlash(
Display::return_message(get_lang('ForumDissociate'), 'success')
);
}
}
}
header('Location:'.api_get_self().'?'.http_build_query([
'action' => 'add_item',
'type' => 'step',
'lp_id' => $_SESSION['oLP']->lp_id,
]));
exit;
break;
case 'add_final_item':
if (!$lp_found) {
Display::addFlash(
Display::return_message(get_lang('NoLPFound'), 'error')
);
break;
}
Session::write('refresh', 1);
if (!isset($_POST['submit']) || empty($post_title)) {
break;
}
$_SESSION['oLP']->getFinalItemForm();
$redirectTo = api_get_self().'?'.api_get_cidreq().'&'.http_build_query([
'action' => 'add_item',
'type' => 'step',
'lp_id' => intval($_SESSION['oLP']->lp_id),
]);
break;
default:
require 'lp_list.php';
break;
}
if (!empty($_SESSION['oLP'])) {
$_SESSION['lpobject'] = serialize($_SESSION['oLP']);
if ($debug > 0) {
error_log('lpobject is serialized in session', 0);
}
}
if (!empty($redirectTo)) {
header("Location: $redirectTo");
exit;
}