/**
* 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());
}
}
