/**
* Delete relations
*
* @param int|\ORM\Model $payload
* @return bool
*/
function delete($payload = null)
{
$id = null;
if ($payload instanceof Model && isset($payload->{$payload::getPrimaryKey()}) && is_numeric($payload->{$payload::getPrimaryKey()})) {
$id = $payload->{$payload::getPrimaryKey()};
} else {
if (is_numeric($payload)) {
$id = $payload;
}
}
$model = $this->model;
$pKey = $model::getPrimaryKey();
if (is_null($id)) {
// remove all linked rows
$sql = "DELETE FROM {$this->tableName} WHERE " . $this->getForeignKey() . ' = ?';
return Model::getConnection()->runQuery($sql, [$this->model->{$pKey}]);
} else {
return $this->pivot()->findOne([$this->getForeignKey(), $this->getForeignKeyRelated()], [$this->model->{$pKey}, $id])->destroy();
}
}
