/**
* Enables deletion of directory if not empty
* @access public
* @param string $dir the directory to delete
* @return boolean whether the deletion was successful
* @author Joel Kronenberg
*/
public static function clr_dir($dir)
{
if (!($opendir = @opendir($dir))) {
return false;
}
while (($readdir = readdir($opendir)) !== false) {
if ($readdir !== '..' && $readdir !== '.') {
$readdir = trim($readdir);
clearstatcache();
/* especially needed for Windows machines: */
if (is_file($dir . '/' . $readdir)) {
if (!@unlink($dir . '/' . $readdir)) {
return false;
}
} else {
if (is_dir($dir . '/' . $readdir)) {
/* calls itself to clear subdirectories */
if (!FileUtility::clr_dir($dir . '/' . $readdir)) {
return false;
}
}
}
}
}
/* end while */
@closedir($opendir);
if (!@rmdir($dir)) {
return false;
}
return true;
}
exit;
}
//Get the XML file out and start importing them into our database.
//TODO: See question_import.php 287-289.
$qti_import = new QTIImport($import_path);
$qids = $qti_import->importQuestions($attributes);
//import test
$tid = $qti_import->importTest();
//associate question and tests
foreach ($qids as $order => $qid) {
if (isset($qti_import->weights[$order])) {
$weight = round($qti_import->weights[$order]);
} else {
$weight = 0;
}
$new_order = $order + 1;
// $sql = "INSERT INTO " . TABLE_PREFIX . "tests_questions_assoc" .
// "(test_id, question_id, weight, ordering, required) " .
// "VALUES ($tid, $qid, $weight, $new_order, 0)";
// $result = mysql_query($sql, $db);
$testsQuestionsAssocDAO = new TestsQuestionsAssocDAO();
$testsQuestionsAssocDAO->Create($tid, $qid, $weight, $new_order);
}
//debug('imported test');
if (!$msg->containsErrors()) {
$msg->addFeedback('IMPORT_SUCCEEDED');
}
//clear directory
FileUtility::clr_dir(TR_CONTENT_DIR . 'import/' . $_course_id);
header('Location: index.php?_course_id=' . $_course_id);
exit;
$result = true;
for ($i = 0; $i < $count; $i++) {
$filename = $checkbox[$i];
if (strpos($filename, '..') !== false) {
$msg->addError('UNKNOWN');
$result = false;
header('Location: index.php?pathext=' . $_POST['pathext'] . SEP . 'framed=' . $_POST['framed'] . SEP . 'popup=' . $_POST['popup'] . SEP . 'cp=' . $_POST['cp'] . SEP . 'cid=' . $_POST['cid'] . SEP . 'pid=' . $_POST['pid'] . SEP . 'a_type=' . $_POST['a_type'] . SEP . '_course_id=' . $_course_id);
exit;
} else {
if (!is_dir($current_path . $pathext . $filename)) {
$msg->addError(array('DIR_NOT_DELETED', $filename));
$result = false;
header('Location: index.php?pathext=' . $_POST['pathext'] . SEP . 'framed=' . $_POST['framed'] . SEP . 'popup=' . $_POST['popup'] . SEP . 'cp=' . $_POST['cp'] . SEP . 'cid=' . $_POST['cid'] . SEP . 'pid=' . $_POST['pid'] . SEP . 'a_type=' . $_POST['a_type'] . SEP . '_course_id=' . $_course_id);
exit;
} else {
if (!($result = FileUtility::clr_dir($current_path . $pathext . $filename))) {
$msg->addError('DIR_NO_PERMISSION');
$result = false;
header('Location: index.php?pathext=' . $_POST['pathext'] . SEP . 'framed=' . $_POST['framed'] . SEP . 'popup=' . $_POST['popup'] . SEP . 'cp=' . $_POST['cp'] . SEP . 'cid=' . $_POST['cid'] . SEP . 'pid=' . $_POST['pid'] . SEP . 'a_type=' . $_POST['a_type'] . SEP . '_course_id=' . $_course_id);
exit;
}
}
}
}
if ($result) {
$msg->addFeedback('DIR_DELETED');
}
}
header('Location: index.php?pathext=' . $_POST['pathext'] . SEP . 'framed=' . $_POST['framed'] . SEP . 'popup=' . $_POST['popup'] . SEP . 'cp=' . $_POST['cp'] . SEP . 'cid=' . $_POST['cid'] . SEP . 'pid=' . $_POST['pid'] . SEP . 'a_type=' . $_POST['a_type'] . SEP . '_course_id=' . $_course_id);
exit;
}
/**
* Destructor - removes temporary folder and its content.
* Should self-destruct automatically for PHP 5.0+; otherwise developers should call this function
* to clean up.
* @access public
* @author Harris Wong
*/
function __destruct()
{
FileUtility::clr_dir($this->zipfile_dir);
}
$patch_list_array = $patchListParser->getMyParsedArrayForVersion(VERSION);
}
}
// end of get patch list
$module_content_folder = TR_CONTENT_DIR . "updater/temp";
if (!is_dir($module_content_folder)) {
mkdir($module_content_folder);
}
if ($_POST['install_upload'] && $_POST['uploading']) {
include_once TR_INCLUDE_PATH . 'lib/pclzip.lib.php';
// clean up module content folder
FileUtility::clr_dir($module_content_folder);
// 1. unzip uploaded file to module's content directory
$archive = new PclZip($_FILES['patchfile']['tmp_name']);
if ($archive->extract(PCLZIP_OPT_PATH, $module_content_folder) == 0) {
FileUtility::clr_dir($module_content_folder);
$msg->addError('CANNOT_UNZIP');
}
}
// Installation process
if ($_POST['install'] || $_POST['install_upload'] && !isset($_POST["not_ignore_version"])) {
if (isset($_POST['id'])) {
$id = $_POST['id'];
} else {
$id = $_REQUEST['id'];
}
if ($_POST['install'] && $id == "") {
$msg->addError('CHOOSE_UNINSTALLED_PATCH');
} else {
if ($_POST['install']) {
$patchURL = $patch_folder . $patch_list_array[$id][patch_folder] . "/";
/**
* Delete course
* @access public
* @param course ID
* @return true, if successful
* false and add error into global var $msg, if unsuccessful
* @author Cindy Qi Li
*/
public function Delete($courseID)
{
require_once TR_INCLUDE_PATH . 'classes/FileUtility.class.php';
require_once TR_INCLUDE_PATH . 'classes/DAO/ContentDAO.class.php';
require_once TR_INCLUDE_PATH . 'classes/DAO/ForumsCoursesDAO.class.php';
$contentDAO = new ContentDAO();
$forumsCoursesDAO = new ForumsCoursesDAO();
unset($_SESSION['s_cid']);
// delete course content dir
$content_dir = TR_CONTENT_DIR . $courseID . '/';
FileUtility::clr_dir($content_dir);
// delete tests and tests related data
$sql = "DELETE FROM " . TABLE_PREFIX . "content_tests_assoc\n\t\t WHERE content_id in (SELECT content_id FROM " . TABLE_PREFIX . "content WHERE course_id = " . $courseID . ")";
$this->execute($sql);
$sql = "DELETE FROM " . TABLE_PREFIX . "tests_questions_categories WHERE course_id = " . $courseID;
$this->execute($sql);
$sql = "DELETE FROM " . TABLE_PREFIX . "tests_questions_assoc \n\t\t WHERE test_id in (SELECT test_id FROM " . TABLE_PREFIX . "tests WHERE course_id = " . $courseID . ")";
$this->execute($sql);
$sql = "DELETE FROM " . TABLE_PREFIX . "tests_questions WHERE course_id = " . $courseID;
$this->execute($sql);
$sql = "DELETE FROM " . TABLE_PREFIX . "tests WHERE course_id = " . $courseID;
$this->execute($sql);
// delete forums that are associated with this course
$forumsCoursesDAO->DeleteByCourseID($courseID);
// loop thru content to delete using ContentDAO->Delete(), which deletes a4a objects as well
$content_rows = $contentDAO->getContentByCourseID($courseID);
if (is_array($content_rows)) {
foreach ($content_rows as $content) {
$contentDAO->Delete($content['content_id']);
}
}
$sql = "DELETE FROM " . TABLE_PREFIX . "content WHERE course_id = " . $courseID;
$this->execute($sql);
// delete user <-> course association
$sql = "DELETE FROM " . TABLE_PREFIX . "user_courses WHERE course_id = " . $courseID;
$this->execute($sql);
// delete the course
$sql = "DELETE FROM " . TABLE_PREFIX . "courses WHERE course_id = " . $courseID;
return $this->execute($sql);
}
function check_available_size($course_id)
{
global $coursesDAO, $MaxCourseSize, $import_path, $msg, $oauth_import;
$q_row = $coursesDAO->get($course_id);
//$sql = "SELECT max_quota FROM ".TABLE_PREFIX."courses WHERE course_id=$_SESSION[course_id]";
//$result = mysql_query($sql, $db);
//$q_row = mysql_fetch_assoc($result);
if ($q_row['max_quota'] == TR_COURSESIZE_UNLIMITED) {
return;
} else {
$zip_size_limit = $MaxCourseSize;
}
$totalBytes = FileUtility::dirsize($import_path);
$total_after = $zip_size_limit - $totalBytes;
if (is_dir(TR_CONTENT_DIR . $course_id . '/')) {
$course_total = FileUtility::dirsize(TR_CONTENT_DIR . $course_id . '/');
$total_after -= $course_total;
}
if ($total_after < 0) {
/* remove the content dir, since there's no space for it */
$errors = array('NO_CONTENT_SPACE', number_format(-1 * ($total_after / TR_KBYTE_SIZE), 2));
$msg->addError($errors);
// Clean up import path and inserted course row
FileUtility::clr_dir($import_path);
$coursesDAO->Delete($course_id);
if (isset($_GET['tile'])) {
header('Location: ' . $_base_path . 'tools/tile/index.php');
} else {
if ($oauth_import) {
echo "error=" . urlencode('No space for the content.');
} else {
header('Location: ' . $_SERVER['HTTP_REFERER']);
}
}
exit;
}
}
