user()->can('edit', $this->invoice); } public function rules() { return [ 'action' => 'required', ]; } protected function prepareForValidation() { $input = $this->all(); if ($this->action) { $input['action'] = $this->action; } elseif (! array_key_exists('action', $input)) { $this->error_msg = 'Action is a required field'; } elseif (! $this->invoiceDeletable($this->invoice)) { unset($input['action']); $this->error_msg = 'This invoice cannot be deleted'; } elseif (! $this->invoiceCancellable($this->invoice)) { unset($input['action']); $this->error_msg = 'This invoice cannot be cancelled'; } elseif (! $this->invoiceReversable($this->invoice)) { unset($input['action']); $this->error_msg = 'This invoice cannot be reversed'; } $this->replace($input); } public function messages() { return [ 'action' => $this->error_msg, ]; } }