public function many_to_many(Model $reference)
{
$columns1 = parent::findConstraitn('PrimaryKey')->getColumns();
$columns2 = $reference->findConstraitn('PrimaryKey')->getColumns();
$mtm = ManyToMany::getInstance(parent::persistence(), $reference->persistence(), $columns1, $columns2);
$this->weaks_entitys[get_class($mtm)] = $mtm;
}
/**
* Removes the relationship between the two sides of the many to many
* (not deleting either of the actual sides of the models themselves)
*
* @param array $ids The identifiers to remove from the associative table
* @param closure $constraint Additional constraints to place on the query
* @return $this
* @since 2.0.0
**/
public function disconnect($ids, $constraint = null)
{
$associativeTable = $this->associativeTable;
$shifter = $this->shifter;
$model = $this->model;
parent::disconnect($ids, function ($query) use($associativeTable, $model, $shifter) {
$query->whereEquals($associativeTable . '.' . $shifter, strtolower($model->getModelName()));
});
return $this;
}
