/**
* Parse an array with fileId and caption into an {{\luya\admin\file\Iterator}} object.
*
* @param array $values The array with key 'fileId' like `[['fileId' => 1, 'caption' => 'test']]`.
* @return \luya\admin\file\Iterator The iterator object from the parsed values or an empty array if empty.
*/
protected function parseFileIteration(array $values)
{
if (empty($values)) {
return [];
}
return (new Query())->where(['in', 'id', ArrayHelper::getColumn($values, 'fileId')])->all();
}
private function getExtraAssignData()
{
$ids = ArrayHelper::getColumn($this->getContextConfigValue($this->varName, []), 'value');
$provider = new ActiveDataProvider(['query' => $this->_query->andWhere(['in', 'id', $ids])]);
return $provider->getModels();
}
/**
* Get an array with all ids for the storage component. Only the image ids for the current
* model/item id should be returned:
*
* ```php
* return [1,2,3]; // where 1,2,3 are ids of the image from the storage component
* ```
*
* @return array An array where only the images are returned.
*/
public function flowListImages()
{
return ArrayHelper::getColumn((new Query())->select([$this->getConfigValue('imageField')])->from($this->getConfigValue('table'))->where([$this->getConfigValue('itemField') => $this->id])->indexBy($this->getConfigValue('imageField'))->all(), $this->getConfigValue('imageField'));
}