/**
* Updates an existing Category model.
* If update is successful, the browser will be redirected to the 'view' page.
* @param integer $id
* @return mixed
*/
public function actionUpdate($id)
{
$model = $this->findModel($id);
$groupProperties = [];
foreach ($model->groupProperties as $group) {
$groupProperties[] = ['group' => $group, 'properties' => $group->properties];
}
$request = Yii::$app->request;
$post = $request->post();
$groupPost = $request->post('GroupProperty');
$propertyPost = $request->post('Property');
$model->scenario = $model::SCENARIO_UPDATE;
if ($model->load($post)) {
$oldProperties = ArrayHelper::flatten(ArrayHelper::getColumn($groupProperties, 'properties'));
$oldGroups = ArrayHelper::flatten(ArrayHelper::getColumn($groupProperties, 'group'));
$groupProperties = Model::loadProperties($groupPost, $propertyPost, true);
if (!$groupProperties) {
Yii::$app->session->setFlash('error', 'Failed to update category.');
return $this->redirect('index');
}
$oldPropertyIds = ArrayHelper::getColumn($oldProperties, 'id');
$newPropertyIds = [];
array_walk_recursive($propertyPost, function ($item, $key) use(&$newPropertyIds) {
if ($key == 'id') {
$newPropertyIds[] = $item;
}
});
$oldGroupIds = ArrayHelper::getColumn($oldGroups, 'id');
$newGroupIds = [];
array_walk_recursive($groupPost, function ($item, $key) use(&$newGroupIds) {
if ($key == 'id') {
$newGroupIds[] = $item;
}
});
$deletedPropertiesIds = array_diff($oldPropertyIds, $newPropertyIds);
$deletedGroupsIds = array_diff($oldGroupIds, $newGroupIds);
if ($model->validate() && Model::validateProperties($groupProperties)) {
$transaction = $model::getDb()->beginTransaction();
try {
$oldImage = $model->getOldAttribute('image');
$oldIcon = $model->getOldAttribute('icon');
$oldIconHover = $model->getOldAttribute('icon_hover');
$model->image = UploadedFile::getInstance($model, 'image');
$model->icon = UploadedFile::getInstance($model, 'icon');
$model->icon_hover = UploadedFile::getInstance($model, 'icon_hover');
if ($model->image || $model->icon || $model->icon_hover) {
if ($save = $model->save()) {
$model->removeImageFromFolder($oldImage);
$model->removeIconFromFolder($oldIcon);
$model->removeIconHoverFromFolder($oldIconHover);
if (!$model->upload()) {
throw new \yii\base\Exception();
}
}
} else {
$model->image = $oldImage;
$model->icon = $oldIcon;
$model->icon_hover = $oldIconHover;
$save = $model->save();
}
if ($save) {
if (!empty($deletedPropertiesIds)) {
Property::deleteAll(['id' => $deletedPropertiesIds]);
}
if (!empty($deletedGroupsIds)) {
GroupProperty::deleteAll(['id' => $deletedGroupsIds]);
}
Model::linkProperties($model, $groupProperties);
}
Yii::$app->session->setFlash('success', 'Category have been updated.');
$transaction->commit();
} catch (\Exception $e) {
$transaction->rollBack();
Yii::$app->session->setFlash('error', 'Failed to update category.');
}
}
} else {
if (empty($groupProperties)) {
$groupProperties[] = ['group' => new GroupProperty(), 'properties' => [new Property()]];
}
return $this->render('update', ['model' => $model, 'groupProperties' => $groupProperties]);
}
return $this->redirect('index');
}