public function actionIndex()
{
$query = Article::find();
$channelId = $this->getQuery('channel');
$where = ['isDeleted' => false, 'channel' => new \MongoId($channelId)];
$orderBy = $this->getQuery('orderBy');
if (!empty($orderBy)) {
$orderBy = Json::decode($orderBy, true);
foreach ($orderBy as $key => $value) {
if ('asc' === strtolower($value)) {
$orderBy[$key] = SORT_ASC;
} else {
$orderBy[$key] = SORT_DESC;
}
}
} else {
$orderBy = ['createdAt' => SORT_DESC];
}
return new ActiveDataProvider(['query' => $query->where($where)->orderBy($orderBy)]);
}
