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<?php
namespace Illuminate\Database\Eloquent\Factories;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasOneOrMany;
use Illuminate\Database\Eloquent\Relations\MorphOneOrMany;
class Relationship
{
/**
* The related factory instance.
*
* @var \Illuminate\Database\Eloquent\Factories\Factory
*/
protected $factory;
/**
* The relationship name.
*
* @var string
*/
protected $relationship;
/**
* Create a new child relationship instance.
*
* @param \Illuminate\Database\Eloquent\Factories\Factory $factory
* @param string $relationship
* @return void
*/
public function __construct(Factory $factory, $relationship)
{
$this->factory = $factory;
$this->relationship = $relationship;
}
/**
* Create the child relationship for the given parent model.
*
* @param \Illuminate\Database\Eloquent\Model $parent
* @return void
*/
public function createFor(Model $parent)
{
$relationship = $parent->{$this->relationship}();
if ($relationship instanceof MorphOneOrMany) {
$this->factory->state([
$relationship->getMorphType() => $relationship->getMorphClass(),
$relationship->getForeignKeyName() => $relationship->getParentKey(),
])->create([], $parent);
} elseif ($relationship instanceof HasOneOrMany) {
$this->factory->state([
$relationship->getForeignKeyName() => $relationship->getParentKey(),
])->create([], $parent);
} elseif ($relationship instanceof BelongsToMany) {
$relationship->attach($this->factory->create([], $parent));
}
}
/**
* Specify the model instances to always use when creating relationships.
*
* @param \Illuminate\Support\Collection $recycle
* @return $this
*/
public function recycle($recycle)
{
$this->factory = $this->factory->recycle($recycle);
return $this;
}
}
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