public function change_item()
{
$project_id = $this->post('projectID');
$item_name = $this->post('itemName');
$item_value = $this->post('itemValue');
$json = Loader::helper('json');
$pas = new PageActionStatus();
$pas->action = t('Change Project Item');
$pas->status = t('Unkown error');
$pas->time = time();
if (!fse_try_to_login()) {
$pas->message = t('You do not sign in or session expired.');
echo $json->encode($pas);
exit(0);
}
if (!preg_match("/^[a-z0-9_\\-]{4,64}\$/", $project_id)) {
$pas->message = t('Invalid project identifier!');
echo $json->encode($pas);
exit(0);
}
$page = ProjectInfo::getProjectPage($project_id, 'home');
if ($page == false) {
$pas->message = t('No such project!');
echo $json->encode($pas);
exit(0);
}
if (!in_array($item_name, $this->mItemList)) {
$pas->message = t('Invalid item name!');
echo $json->encode($pas);
exit(0);
}
if (strlen($item_value) < 2) {
$pas->message = t('Too short item value!');
echo $json->encode($pas);
exit(0);
}
$project_info = ProjectInfo::getBasicInfo($project_id);
if ($project_info['fse_id'] != $_SESSION['FSEInfo']['fse_id']) {
$pas->message = t('You are not the owner of the project!');
return;
}
$db = Loader::db();
$res = $db->Execute("UPDATE fsen_projects SET {$item_name}=? WHERE project_id=?", array($item_value, $project_id));
if ($db->Affected_Rows() == 0) {
$pas->message = t('Nothing changed!');
echo $json->encode($pas);
exit(0);
}
/* update page attributes */
if ($item_name == "name") {
$page->update(array("cName" => $item_value));
} else {
if ($item_name == "short_desc") {
$page->update(array("cDescription" => $item_value));
}
}
ProjectInfo::onUpdateProjectBasicInfo($project_id);
/* refresh related blocks */
$blocks = $page->getBlocks('Banner');
foreach ($blocks as $block) {
$block->refreshBlockOutputCache();
}
$cache = PageCache::getLibrary();
$cache->purge($page);
$pas->status = 'success';
$pas->message = t('Item changed!');
echo $json->encode($pas);
exit(0);
}
