/**
* Add relation based constraints.
*
* @param Illuminate\Database\Eloquent\Relations\Relation $relation
* @param array $args
*/
public function addDefinedConstraintsToRelation($relation, $args = null)
{
if ($args === null) {
$args = $this->parent->getRelationDefinition($this->relationName);
}
/*
* Pivot data (belongsToMany, morphToMany, morphByMany)
*/
if ($pivotData = array_get($args, 'pivot')) {
$relation->withPivot($pivotData);
}
/*
* Pivot timestamps (belongsToMany, morphToMany, morphByMany)
*/
if (array_get($args, 'timestamps')) {
$relation->withTimestamps();
}
/*
* Count "helper" relation
*/
if ($count = array_get($args, 'count')) {
if ($relation instanceof BelongsToManyBase) {
$relation->countMode = true;
}
$countSql = $this->parent->getConnection()->raw('count(*) as count');
$relation->select($relation->getForeignKey(), $countSql)->groupBy($relation->getForeignKey());
}
}
/**
* Duplicate a one-to-many style relation where the foreign model is ALSO
* cloned and then associated
*
* @param Illuminate\Database\Eloquent\Relations\Relation $relation
* @param string $relation_name
* @param Illuminate\Database\Eloquent\Model $clone
* @return void
*/
protected function duplicateDirectRelation($relation, $relation_name, $clone)
{
$relation->get()->each(function ($foreign) use($clone, $relation_name) {
$this->duplicate($foreign, $clone->{$relation_name}());
});
}
function getClassNameForMorphType($type)
{
$morphMap = Illuminate\Database\Eloquent\Relations\Relation::morphMap();
return $morphMap[$type] ?? null;
}
/**
* Return the relation withTrashed if being restored.
*
* @param Illuminate\Database\Eloquent\Relations\Relation $relation
*
* @return Illuminate\Database\Eloquent\Relations\Relatio
*/
private function nestedRelation($relation)
{
if ($this->direction == 'restore') {
return $relation->withTrashed();
}
return $relation;
}
