[ 'required', ], 'due_date' => [ 'required', ], 'user_id' => [ 'required', ], 'invoice_number' => [ 'required', new UniqueNumber(Invoice::class), ], 'discount' => [ 'required', ], 'discount_val' => [ 'required', ], 'sub_total' => [ 'required', ], 'total' => [ 'required', ], 'tax' => [ 'required', ], 'invoice_template_id' => [ 'required', ], 'items' => [ 'required', 'array', ], 'items.*' => [ 'required', 'max:255', ], 'items.*.description' => [ 'max:255', ], 'items.*.name' => [ 'required', ], 'items.*.quantity' => [ 'required', ], 'items.*.price' => [ 'required', ], ]; if ($this->isMethod('PUT')) { $rules['invoice_number'] = [ 'required', new UniqueNumber(Invoice::class, $this->route('invoice')->id), ]; } return $rules; } }