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<?php |
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declare(strict_types=1); |
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namespace Rinvex\Attributes\Support; |
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use Illuminate\Database\Eloquent\Model; |
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use Rinvex\Attributes\Models\Attribute; |
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use Illuminate\Support\Collection as BaseCollection; |
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use Illuminate\Database\Eloquent\Collection as EloquentCollection; |
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class ValueCollection extends EloquentCollection |
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{ |
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/** |
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* The entity this value collection belongs to. |
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* |
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* @var \Illuminate\Database\Eloquent\Model |
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*/ |
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protected $entity; |
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/** |
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* The attribute this value collection is storing. |
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* |
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* @var \Rinvex\Attributes\Models\Attribute |
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*/ |
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protected $attribute; |
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/** |
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* Link the entity and attribute to this value collection. |
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* |
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* @param \Illuminate\Database\Eloquent\Model $entity |
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* @param $attribute |
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* |
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* @return $this |
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*/ |
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public function link($entity, $attribute) |
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{ |
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$this->entity = $entity; |
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$this->attribute = $attribute; |
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return $this; |
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} |
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/** |
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* Add new values to the value collection. |
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* |
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* @param \Illuminate\Support\Collection|array $values |
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* |
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* @return $this |
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*/ |
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public function add($values) |
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{ |
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if (! is_array($values) && ! $values instanceof BaseCollection) { |
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$values = func_get_args(); |
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} |
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// Once we have made sure our input is an array of values, we will convert |
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// them into value model objects (if no model instances are given). When |
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// done we will just push all values into the current collection items. |
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foreach ($values as $value) { |
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$this->push($this->buildValue($value)); |
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} |
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return $this; |
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} |
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/** |
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* Replace current values with the given values. |
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* |
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* @param \Illuminate\Support\Collection|array $values |
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* |
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* @return $this |
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*/ |
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public function replace($values) |
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{ |
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if (! is_array($values) && ! $values instanceof BaseCollection) { |
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$values = func_get_args(); |
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} |
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// Trash the current values |
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$this->trashCurrentItems(); |
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// Build valid instances of the given values based on attribute data type |
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$this->items = $this->buildValues($values); |
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return $this; |
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} |
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/** |
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* Trash the current values by queuing into entity object, |
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* these trashed values will physically deleted on entity save. |
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* |
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* @return void |
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*/ |
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protected function trashCurrentItems(): void |
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{ |
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$trash = $this->entity->getEntityAttributeValueTrash(); |
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foreach ($this->items as $value) { |
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$trash->push($value); |
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} |
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} |
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/** |
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* Build a value instance from the given input. |
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* |
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* @param mixed $value |
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* |
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* @return \Illuminate\Database\Eloquent\Model |
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*/ |
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protected function buildValue($value): Model |
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{ |
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if ($value instanceof Model || is_null($value)) { |
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return $value; |
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} |
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$model = Attribute::getTypeModel($this->attribute->getAttribute('type')); |
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$instance = new $model(); |
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$instance->setAttribute('entity_id', $this->entity->getKey()); |
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$instance->setAttribute('entity_type', $this->entity->getMorphClass()); |
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$instance->setAttribute($this->attribute->getForeignKey(), $this->attribute->getKey()); |
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$instance->setAttribute('content', $value); |
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return $instance; |
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} |
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/** |
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* Build value instances from the given array. |
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* |
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* @param \Illuminate\Support\Collection|array $values |
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* |
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* @return \Rinvex\Attributes\Models\Value[] |
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*/ |
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protected function buildValues($values) |
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{ |
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$result = []; |
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// We will iterate through the entire array of values transforming every |
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// item into the data type object linked to this collection. Any null |
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// value will be omitted here in order to avoid storing NULL values. |
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foreach ($values as $value) { |
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if (! is_null($value)) { |
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$result[] = $this->buildValue($value); |
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} |
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} |
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return $result; |
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} |
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} |
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rinvex /
laravel-attributes
