$msg->addFeedback('EXPORT_CANCELLED');
header('Location: ../index.php');
exit;
}
$zipfile = new zipfile();
$zipfile->create_dir('resources/');
/* get all the content */
$content = array();
$paths = array();
$top_content_parent_id = 0;
$handler = new ContentOutputParser();
$parser = new XML_HTMLSax();
$parser->set_object($handler);
$parser->set_element_handler('openHandler', 'closeHandler');
$contentDAO = new ContentDAO();
$rows = $contentDAO->getContentByCourseID($course_id);
//if (authenticate(TR_PRIV_CONTENT, TR_PRIV_RETURN)) {
// $sql = "SELECT *, UNIX_TIMESTAMP(last_modified) AS u_ts FROM ".TABLE_PREFIX."content WHERE course_id=$course_id ORDER BY content_parent_id, ordering";
//} else {
// $sql = "SELECT *, UNIX_TIMESTAMP(last_modified) AS u_ts FROM ".TABLE_PREFIX."content WHERE course_id=$course_id ORDER BY content_parent_id, ordering";
//}
//$result = mysql_query($sql, $db);
//$cid = $_REQUEST['cid']; //takes care of some system which lost the REQUEST[cid]
//while ($row = mysql_fetch_assoc($result)) {
// if (authenticate(TR_PRIV_CONTENT, TR_PRIV_RETURN) || $contentManager->isReleased($row['content_id']) === TRUE) {
if (is_array($rows)) {
foreach ($rows as $row) {
$content[$row['content_parent_id']][] = $row;
if ($cid == $row['content_id']) {
$top_content = $row;
$top_content_parent_id = $row['content_parent_id'];
/**
* 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);
}
