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<?php |
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namespace SleepingOwl\Admin\Traits; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Database\Eloquent\Collection; |
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use SleepingOwl\Admin\Contracts\Form\Element\Taggable; |
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use SleepingOwl\Admin\Contracts\Form\Element\HasSyncCallback; |
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use SleepingOwl\Admin\Contracts\Form\Element\MustDeleteRelatedItem; |
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trait ElementSaveRelation |
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{ |
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/** |
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* @return array|string |
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*/ |
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public function getValueFromModel() |
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{ |
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$value = parent::getValueFromModel(); |
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if (is_array($value)) { |
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foreach ($value as $key => $val) { |
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$value[$key] = $val; |
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} |
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} |
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if ($value instanceof Collection && $value->count() > 0) { |
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$value = $value->pluck($value->first()->getKeyName())->all(); |
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} |
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if ($value instanceof Collection) { |
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$value = $value->toArray(); |
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} |
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return $value; |
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} |
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/** |
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* @param \Illuminate\Http\Request $request |
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* |
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* @return void |
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*/ |
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public function save(\Illuminate\Http\Request $request) |
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{ |
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if (is_null($this->getModelForOptions())) { |
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parent::save($request); |
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} |
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} |
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/** |
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* @param \Illuminate\Http\Request $request |
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* |
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* @return void |
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*/ |
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public function afterSave(\Illuminate\Http\Request $request) |
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{ |
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if (is_null($this->getModelForOptions())) { |
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return; |
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} |
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if ($this->isValueSkipped()) { |
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return; |
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} |
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$attribute = $this->getModelAttributeKey(); |
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if (is_null($request->input($this->getPath()))) { |
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$values = []; |
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} else { |
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$values = $this->getValueFromModel(); |
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} |
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$relation = $this->getModel()->{$attribute}(); |
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if ($relation instanceof \Illuminate\Database\Eloquent\Relations\BelongsToMany) { |
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$this->syncBelongsToManyRelation($relation, $values); |
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} elseif ($relation instanceof \Illuminate\Database\Eloquent\Relations\HasMany) { |
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$this->deleteOldItemsFromHasManyRelation($relation, $values); |
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$this->attachItemsToHasManyRelation($relation, $values); |
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} |
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} |
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/** |
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* @param \Illuminate\Database\Eloquent\Relations\BelongsToMany $relation |
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* @param array $values |
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* |
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* @return void |
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*/ |
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protected function syncBelongsToManyRelation( |
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\Illuminate\Database\Eloquent\Relations\BelongsToMany $relation, |
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array $values |
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) { |
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if ($this instanceof Taggable) { |
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foreach ($values as $i => $value) { |
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if (! array_key_exists($value, $this->getOptions()) && $this->isTaggable()) { |
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$model = clone $this->getModelForOptions(); |
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$model->{$this->getDisplay()} = $value; |
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$model->save(); |
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$values[$i] = $model->getKey(); |
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} |
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} |
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} |
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if (($this instanceof HasSyncCallback) && is_callable($callback = $this->getSyncCallback())) { |
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$callbackModel = $this->getModel(); |
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$callback($values, $callbackModel); |
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return; |
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} |
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$relation->sync($values); |
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} |
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/** |
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* @param \Illuminate\Database\Eloquent\Relations\HasMany $relation |
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* @param array $values |
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*/ |
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protected function deleteOldItemsFromHasManyRelation( |
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\Illuminate\Database\Eloquent\Relations\HasMany $relation, |
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array $values |
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) { |
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$items = $relation->get(); |
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foreach ($items as $item) { |
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if (! in_array($item->getKey(), $values)) { |
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if (($this instanceof MustDeleteRelatedItem) && $this->isDeleteRelatedItem()) { |
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$item->delete(); |
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} else { |
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$item->{$this->getForeignKeyNameFromRelation($relation)} = null; |
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$item->save(); |
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} |
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} |
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} |
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} |
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/** |
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* @param \Illuminate\Database\Eloquent\Relations\HasMany $relation |
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* @param array $values |
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*/ |
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protected function attachItemsToHasManyRelation( |
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\Illuminate\Database\Eloquent\Relations\HasMany $relation, |
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array $values |
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) { |
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foreach ($values as $i => $value) { |
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/** @var Model $model */ |
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$model = clone $this->getModelForOptions(); |
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$item = $model->find($value); |
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if (is_null($item)) { |
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if (! ($this instanceof Taggable) && $this->isTaggable()) { |
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continue; |
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} |
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$model->{$this->getDisplay()} = $value; |
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$item = $model; |
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} |
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$relation->save($item); |
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} |
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} |
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} |
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LaravelRUS /
SleepingOwlAdmin
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