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<?php |
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declare(strict_types=1); |
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namespace Rinvex\Attributes\Events; |
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use Exception; |
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use Rinvex\Attributes\Models\Value; |
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use Rinvex\Attributes\Support\ValueCollection; |
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use Illuminate\Database\Eloquent\Model as Entity; |
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class EntityWasSaved |
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{ |
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/** |
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* The trash collection. |
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* |
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* @var \Illuminate\Support\Collection |
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*/ |
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protected $trash; |
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/** |
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* Save values when an entity is saved. |
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* |
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* @param \Illuminate\Database\Eloquent\Model $entity |
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* |
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* @throws \Exception |
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* |
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* @return void |
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*/ |
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public function handle(Entity $entity): void |
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{ |
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$this->trash = $entity->getEntityAttributeValueTrash(); |
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// Wrap the whole process inside database transaction |
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$connection = $entity->getConnection(); |
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$connection->beginTransaction(); |
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try { |
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foreach ($entity->getEntityAttributes() as $attribute) { |
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if ($entity->relationLoaded($relation = $attribute->getAttribute('slug'))) { |
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$relationValue = $entity->getRelationValue($relation); |
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if ($relationValue instanceof ValueCollection) { |
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foreach ($relationValue as $value) { |
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// Set attribute value's entity_id since it's always null, |
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// because when RelationBuilder::build is called very early |
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$value->setAttribute('entity_id', $entity->getKey()); |
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$this->saveOrTrashValue($value); |
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} |
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} elseif (! is_null($relationValue)) { |
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// Set attribute value's entity_id since it's always null, |
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// because when RelationBuilder::build is called very early |
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$relationValue->setAttribute('entity_id', $entity->getKey()); |
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$this->saveOrTrashValue($relationValue); |
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} |
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} |
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} |
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if ($this->trash->count()) { |
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// Fetch the first item's class to know the model used for deletion |
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$class = get_class($this->trash->first()); |
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// Let's batch delete all the values based on their ids |
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$class::whereIn('id', $this->trash->pluck('id'))->delete(); |
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// Now, empty the trash |
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$this->trash = collect([]); |
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} |
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} catch (Exception $e) { |
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// Rollback transaction on failure |
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$connection->rollBack(); |
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throw $e; |
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} |
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// Commit transaction on success |
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$connection->commit(); |
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} |
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/** |
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* Save or trash the given value according to it's content. |
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* |
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* @param \Rinvex\Attributes\Models\Value $value |
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* |
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* @return void |
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*/ |
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protected function saveOrTrashValue(Value $value): void |
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{ |
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// In order to provide flexibility and let the values have their own |
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// relationships, here we'll check if a value should be completely |
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// saved with its relations or just save its own current state. |
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if (! is_null($value) && ! $this->trashValue($value)) { |
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if ($value->shouldPush()) { |
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$value->push(); |
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} else { |
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$value->save(); |
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} |
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} |
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} |
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/** |
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* Trash the given value. |
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* |
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* @param \Rinvex\Attributes\Models\Value $value |
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* |
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* @return bool |
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*/ |
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protected function trashValue(Value $value): bool |
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{ |
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if (! is_null($value->getAttribute('content'))) { |
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return false; |
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} |
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if ($value->exists) { |
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// Push value to the trash |
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$this->trash->push($value); |
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} |
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return true; |
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} |
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} |
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rinvex /
laravel-attributes
