Viewing file:  MorphOneOrMany.php (3.06 KB) -rw-r--r--
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<?php
namespace Illuminate\Database\Eloquent\Relations;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;
abstract class MorphOneOrMany extends HasOneOrMany
{
/**
* The foreign key type for the relationship.
*
* @var string
*/
protected $morphType;
/**
* The class name of the parent model.
*
* @var string
*/
protected $morphClass;
/**
* Create a new morph one or many relationship instance.
*
* @param \Illuminate\Database\Eloquent\Builder $query
* @param \Illuminate\Database\Eloquent\Model $parent
* @param string $type
* @param string $id
* @param string $localKey
* @return void
*/
public function __construct(Builder $query, Model $parent, $type, $id, $localKey)
{
$this->morphType = $type;
$this->morphClass = $parent->getMorphClass();
parent::__construct($query, $parent, $id, $localKey);
}
/**
* Set the base constraints on the relation query.
*
* @return void
*/
public function addConstraints()
{
if (static::$constraints) {
$this->getRelationQuery()->where($this->morphType, $this->morphClass);
parent::addConstraints();
}
}
/**
* Set the constraints for an eager load of the relation.
*
* @param array $models
* @return void
*/
public function addEagerConstraints(array $models)
{
parent::addEagerConstraints($models);
$this->getRelationQuery()->where($this->morphType, $this->morphClass);
}
/**
* Set the foreign ID and type for creating a related model.
*
* @param \Illuminate\Database\Eloquent\Model $model
* @return void
*/
protected function setForeignAttributesForCreate(Model $model)
{
$model->{$this->getForeignKeyName()} = $this->getParentKey();
$model->{$this->getMorphType()} = $this->morphClass;
}
/**
* Get the relationship query.
*
* @param \Illuminate\Database\Eloquent\Builder $query
* @param \Illuminate\Database\Eloquent\Builder $parentQuery
* @param array|mixed $columns
* @return \Illuminate\Database\Eloquent\Builder
*/
public function getRelationExistenceQuery(Builder $query, Builder $parentQuery, $columns = ['*'])
{
return parent::getRelationExistenceQuery($query, $parentQuery, $columns)->where(
$query->qualifyColumn($this->getMorphType()), $this->morphClass
);
}
/**
* Get the foreign key "type" name.
*
* @return string
*/
public function getQualifiedMorphType()
{
return $this->morphType;
}
/**
* Get the plain morph type name without the table.
*
* @return string
*/
public function getMorphType()
{
return last(explode('.', $this->morphType));
}
/**
* Get the class name of the parent model.
*
* @return string
*/
public function getMorphClass()
{
return $this->morphClass;
}
}
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