I'm using Laravel 5.5. I wrote a wrapper that takes an Eloquent model and wraps it to an Entity
class and each model has own wrapper. Assume, the User has many products and a Product belongs to one user. When wrapping, I need to get products of a user and pass them to product wrapper to wrap them into the product entities. In the product wrapper, I need to get user owner of this product to wrap it to the user entity. So again, In the user wrapper, I need user products!, and this creates an infinite loop.
EntityWrapper:
abstract class EntityWrapper
{
protected $collection;
protected $entityClass;
public $entity;
public function __construct($collection)
{
$this->collection = $collection;
$this->entity = $this->buildEntity();
}
protected function buildEntity()
{
$tempEntity = new $this->entityClass;
$Entities = collect([]);
foreach ($this->collection as $model) {
$Entities->push($this->makeEntity($tempEntity, $model));
}
return $Entities;
}
abstract protected function makeEntity($entity, $model);
}
UserEntityWrapper:
class UserEntityWrapper extends EntityWrapper
{
protected $entityClass = UserEntity::class;
protected function makeEntity($userEntity, $model)
{
$userEntity->setId($model->user_id);
$userEntity->setName($model->name);
// set other properties of user entity...
//--------------- relations -----------------
$userEntity->setProducts((new ProductEntityWrapper($model->products))->entity);
return $userEntity;
}
}
UserEntity:
class UserEntity
{
private $id;
private $name;
private $products;
//... other properties
public function setProducts($products)
{
$this->products = $products;
}
// other getters and setters...
}
ProducEntity:
class ProductEntity
{
private $id;
private $userId;
private $user;
// other properties...
public function setUser($user)
{
$this->user = $user;
}
// other getters and setters...
}
Well, how can I prevent the nesting call to relationship between models? Thanks to any suggestion.
via Chebli Mohamed
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