public function applyFilterChain(Item $file, $fileSavePath)
{
$loadFrom = $file->getServerSource();
foreach (StorageFilterChain::find()->where(['filter_id' => $this->id])->joinWith('effect')->all() as $chain) {
$response = $chain->applyFilter($loadFrom, $fileSavePath);
$loadFrom = $fileSavePath;
}
return true;
}
/**
* Update and save filter corresponding to the model, refresh chain values.
*
* @return bool
*/
public function save()
{
// get the filter model based on the current filter.
$filterModel = $this->findModel();
// update the name of the filter if changed
if ($filterModel->name !== $this->name()) {
$filterModel->setAttribute('name', $this->name());
$filterModel->update(false);
$this->addLog("Filter name '" . $this->name() . "' have been updated for identifier '" . static::identifier() . "'.");
}
// array containing the processed chain ids
$processed = [];
$removeImages = false;
foreach ($this->getChain() as $chain) {
// get filter chain for filter and effect
$model = StorageFilterChain::find()->where(['filter_id' => $filterModel->id, 'effect_id' => $chain['effect_id']])->one();
if ($model) {
if (Json::decode($chain['effect_json_values']) != $model->effect_json_values) {
$model->effect_json_values = $chain['effect_json_values'];
if ($model->update(false)) {
$removeImages = true;
$this->addLog("Effect chain option have been updated for '{$filterModel->name}'.");
}
}
} else {
$model = new StorageFilterChain();
$model->setAttributes(['filter_id' => $filterModel->id, 'effect_id' => $chain['effect_id'], 'effect_json_values' => $chain['effect_json_values']]);
if ($model->save(false)) {
$removeImages = true;
$this->addLog("Effect chain option have been added for '{$filterModel->name}'.");
}
}
$processed[] = $model->id;
}
// remove not used chains for the current filter
foreach (StorageFilterChain::find()->where(['not in', 'id', $processed])->andWhere(['=', 'filter_id', $filterModel->id])->all() as $deletion) {
$this->addLog("Effect chain option have been removed for '{$filterModel->name}'");
$deletion->delete();
$removeImages = true;
}
if ($removeImages) {
$this->addLog("remove image filter source cache.");
$filterModel->removeImageSources();
}
return true;
}