return ''; } public function getEntityType() { return ENTITY_CREDIT; } public function apply($amount) { if ($amount > $this->balance) { $applied = $this->balance; $this->balance = 0; } else { $applied = $amount; $this->balance = $this->balance - $amount; } $this->save(); return $applied; } } Credit::created(function ($credit) { Activity::createCredit($credit); }); Credit::updating(function ($credit) { Activity::updateCredit($credit); }); Credit::deleting(function ($credit) { Activity::archiveCredit($credit); }); Credit::restoring(function ($credit) { Activity::restoreCredit($credit); });