Get the first child for a given parent
| public static getFirstChildId ( integer $pageId ) : mixed | ||
| $pageId | integer | The Id of the page to get the first child for. |
| return | mixed | |
/**
* Execute the action
*/
public function execute()
{
// get parameters
$this->id = $this->getParameter('id', 'int');
// does the item exist
if ($this->id !== null && BackendPagesModel::exists($this->id)) {
// call parent, this will probably add some general CSS/JS or other required files
parent::execute();
// init var
$success = false;
// cannot have children
if (BackendPagesModel::getFirstChildId($this->id) !== false) {
$this->redirect(BackendModel::createURLForAction('Edit') . '&error=non-existing');
}
$revisionId = $this->getParameter('revision_id', 'int');
if ($revisionId == 0) {
$revisionId = null;
}
// get page (we need the title)
$page = BackendPagesModel::get($this->id, $revisionId);
// valid page?
if (!empty($page)) {
// delete the page
$success = BackendPagesModel::delete($this->id, null, $revisionId);
// trigger event
BackendModel::triggerEvent($this->getModule(), 'after_delete', array('id' => $this->id));
// delete search indexes
BackendSearchModel::removeIndex($this->getModule(), $this->id);
// build cache
BackendPagesModel::buildCache(BL::getWorkingLanguage());
}
// page is deleted, so redirect to the overview
if ($success) {
$this->redirect(BackendModel::createURLForAction('Index') . '&id=' . $page['parent_id'] . '&report=deleted&var=' . rawurlencode($page['title']));
} else {
$this->redirect(BackendModel::createURLForAction('Edit') . '&error=non-existing');
}
} else {
$this->redirect(BackendModel::createURLForAction('Edit') . '&error=non-existing');
}
}
/**
* Parse
*/
protected function parse()
{
parent::parse();
// set
$this->record['url'] = $this->meta->getURL();
if ($this->id == 1) {
$this->record['url'] = '';
}
// parse some variables
$this->tpl->assign('item', $this->record);
$this->tpl->assign('isGod', $this->isGod);
$this->tpl->assign('templates', $this->templates);
$this->tpl->assign('positions', $this->positions);
$this->tpl->assign('extrasData', json_encode(BackendExtensionsModel::getExtrasData()));
$this->tpl->assign('extrasById', json_encode(BackendExtensionsModel::getExtras()));
$this->tpl->assign('prefixURL', rtrim(BackendPagesModel::getFullURL($this->record['parent_id']), '/'));
$this->tpl->assign('formErrors', (string) $this->frm->getErrors());
// init var
$showDelete = true;
// has children?
if (BackendPagesModel::getFirstChildId($this->record['id']) !== false) {
$showDelete = false;
}
if (!$this->record['delete_allowed']) {
$showDelete = false;
}
// allowed?
if (!BackendAuthentication::isAllowedAction('Delete', $this->getModule())) {
$showDelete = false;
}
// show delete button
$this->tpl->assign('showPagesDelete', $showDelete);
// assign template
$this->tpl->assignArray($this->templates[$this->record['template_id']], 'template');
// parse datagrids
$this->tpl->assign('revisions', $this->dgRevisions->getNumResults() != 0 ? $this->dgRevisions->getContent() : false);
$this->tpl->assign('drafts', $this->dgDrafts->getNumResults() != 0 ? $this->dgDrafts->getContent() : false);
// parse the tree
$this->tpl->assign('tree', BackendPagesModel::getTreeHTML());
}
