/**
* Decrement a column's value by a given amount.
*
* @param string $column
* @param int $amount
* @param array $extra
* @return int
*/
public function decrement($column, $amount = 1, array $extra = [])
{
// Intercept operations on embedded models and delegate logic
// to the parent relation instance.
if ($relation = $this->model->getParentRelation()) {
$value = $this->model->{$column};
// When doing increment and decrements, Eloquent will automatically
// sync the original attributes. We need to change the attribute
// temporary in order to trigger an update query.
$this->model->{$column} = null;
$this->model->syncOriginalAttribute($column);
return $this->model->update([$column => $value]);
}
return parent::decrement($column, $amount, $extra);
}