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

229 lines
8.6 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Code for HotPotatoes integration.
* @package chamilo.exercise
* @author Istvan Mandak (original author)
*/
/**
* Code
*/
// Name of the language file that needs to be included.
$language_file = 'exercice';
// Including the global initialization file.
require_once '../inc/global.inc.php';
// Including additional libraries.
require_once 'hotpotatoes.lib.php';
// Section (for the tabs).
$this_section = SECTION_COURSES;
// Access restriction: only teachers are allowed here.
if (!api_is_allowed_to_edit(null, true)) {
api_not_allowed();
}
if (isset($_SESSION['gradebook'])) {
$gradebook = $_SESSION['gradebook'];
}
if (!empty($gradebook) && $gradebook == 'view') {
$interbreadcrumb[] = array(
'url' => '../gradebook/'.$_SESSION['gradebook_dest'],
'name' => get_lang('ToolGradebook')
);
}
// The breadcrumbs.
$interbreadcrumb[] = array('url' => './exercice.php', 'name' => get_lang('Exercices'));
$is_allowedToEdit = api_is_allowed_to_edit(null, true);
// Database table definitions.
$dbTable = Database::get_course_table(TABLE_DOCUMENT);
$course_id = api_get_course_int_id();
// Setting some variables.
$document_sys_path = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document';
$uploadPath = '/HotPotatoes_files';
$finish = (!empty($_POST['finish']) ? $_POST['finish'] : 0);
$imgcount = (!empty($_POST['imgcount']) ? $_POST['imgcount'] : null);
$fld = (!empty($_POST['fld']) ? $_POST['fld'] : null);
// If user is allowed to edit...
if (api_is_allowed_to_edit(null, true)) {
if (hotpotatoes_init($document_sys_path.$uploadPath)) {
// If the directory doesn't exist, create the "HotPotatoes" directory.
$doc_id = FileManager::add_document($_course, '/HotPotatoes_files', 'folder', 0, get_lang('HotPotatoesFiles'));
// Update properties in dbase (in any case).
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'FolderCreated', api_get_user_id());
// Make invisible (in any case) - why?
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'invisible', api_get_user_id());
}
}
/** Display */
$nameTools = get_lang('HotPotatoesTests');
$form = new FormValidator('hotpotatoes', 'post', api_get_self()."?".api_get_cidreq(
), null, array('enctype' => 'multipart/form-data'));
$form->addElement('header', $nameTools);
$form->addElement('hidden', 'uploadPath');
$form->addElement('hidden', 'fld', $fld);
$form->addElement('hidden', 'imgcount', $imgcount);
$form->addElement('hidden', 'finish', $finish);
$form->addElement('html', GenerateHiddenList($imgparams));
$form->addElement('advanced_settings', Display::return_icon('hotpotatoes.jpg', get_lang('HotPotatoes')));
$label = get_lang('DownloadImg').' : ';
if ($finish == 0) {
$label = get_lang('DownloadFile').' : ';
}
$form->addElement('file', 'userFile', $label);
$form->addElement('button', 'submit', get_lang('SendFile'));
// If finish is set; it's because the user came from this script in the first place (displaying hidden "finish" field).
if ((api_is_allowed_to_edit(null, true)) && (($finish == 0) || ($finish == 2))) {
// Moved this down here as the upload handling functions give output.
if ($form->validate()) {
//initialise $finish
if (!isset($finish)) {
$finish = 0;
}
//if the size is not defined, it's probably because there has been an error or no file was submitted
if (!$_FILES['userFile']['size']) {
$dialogBox .= get_lang('SendFileError').'<br />'.get_lang('Notice').' : '.get_lang(
'MaxFileSize'
).' '.ini_get('upload_max_filesize');
} else {
$unzip = 0;
if (preg_match('/\.zip$/i', $_FILES['userFile']['name'])) {
//if it's a zip, allow zip upload
$unzip = 1;
}
if ($finish == 0) {
// Generate new test folder if on first step of file upload.
$filename = replace_dangerous_char(trim($_FILES['userFile']['name']), 'strict');
$fld = GenerateHpFolder($document_sys_path.$uploadPath.'/');
//$doc_id = FileManager::add_document($_course, '/HotPotatoes_files/'.$fld, 'folder', 0, $fld);
//api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'FolderCreated', api_get_user_id());
@mkdir($document_sys_path.$uploadPath.'/'.$fld, api_get_permissions_for_new_directories());
$doc_id = FileManager::add_document($_course, '/HotPotatoes_files/'.$fld, 'folder', 0, $fld);
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'FolderCreated', api_get_user_id());
} else {
// It is not the first step... get the filename directly from the system params.
$filename = $_FILES['userFile']['name'];
}
$allow_output_on_success = false;
if (FileManager::handle_uploaded_document(
$_course,
$_FILES['userFile'],
$document_sys_path,
$uploadPath.'/'.$fld,
api_get_user_id(),
null,
null,
$unzip,
'',
$allow_output_on_success
)
) {
if ($finish == 2) {
$imgparams = $_POST['imgparams'];
$checked = CheckImageName($imgparams, $filename);
if ($checked) {
$imgcount = $imgcount - 1;
} else {
$dialogBox .= $filename.' '.get_lang('NameNotEqual');
FileManager::my_delete($document_sys_path.$uploadPath.'/'.$fld.'/'.$filename);
FileManager::update_db_info('delete', $uploadPath.'/'.$fld.'/'.$filename);
}
if ($imgcount == 0) { // all image uploaded
$finish = 1;
}
} else {
// If we are (still) on the first step of the upload process.
if ($finish == 0) {
$finish = 2;
// Get number and name of images from the files contents.
GetImgParams('/'.$filename, $document_sys_path.$uploadPath.'/'.$fld, $imgparams, $imgcount);
if ($imgcount == 0) // There is no img link, so finish the upload process.
{
$finish = 1;
} else // There is still one or more img missing.
{
$dialogBox .= get_lang('DownloadEnd');
}
}
}
$title = @htmlspecialchars(
GetQuizName($filename, $document_sys_path.$uploadPath.'/'.$fld.'/'),
ENT_COMPAT,
api_get_system_encoding()
);
$query = "UPDATE $dbTable SET comment='".Database::escape_string(
$title
)."' WHERE c_id = $course_id AND path=\"".$uploadPath."/".$fld."/".$filename."\"";
Database::query($query);
api_item_property_update($_course, TOOL_QUIZ, $id, 'QuizAdded', api_get_user_id());
} else {
if ($finish == 2) {
// delete?
//$dialogBox .= get_lang('NoImg');
}
$finish = 0; // error
if (api_failure::get_last_failure() == 'not_enough_space') {
$dialogBox .= get_lang('NoSpace');
} elseif (api_failure::get_last_failure() == 'php_file_in_zip_file') {
$dialogBox .= get_lang('ZipNoPhp');
}
}
}
}
if ($finish == 1) {
/** ok -> send to main exercises page */
header('Location: exercice.php?'.api_get_cidreq());
exit;
}
Display::display_header($nameTools, get_lang('Exercise'));
echo '<div class="actions">';
echo '<a href="exercice.php?show=test">'.Display :: return_icon(
'back.png',
get_lang('BackToExercisesList'),
'',
ICON_SIZE_MEDIUM
).'</a>';
echo '</div>';
if ($finish == 2) { // If we are in the img upload process.
$dialogBox .= get_lang('ImgNote_st').$imgcount.get_lang('ImgNote_en').'<br />';
while (list($key, $string) = each($imgparams)) {
$dialogBox .= $string.'; ';
}
}
if ($dialogBox) {
Display::display_normal_message($dialogBox, false);
}
$form->display();
}
// Display the footer.
Display::display_footer();