wticreatorstudio/Modules/Marketing/Http/Requests/UpdateCouponRequest.php

<?php

namespace Modules\Marketing\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class UpdateCouponRequest extends FormRequest
{
    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            'coupon_code' => 'required|max:255|unique:coupons,coupon_code,'.$this->id,
            'date' => 'required',
            'coupon_title' => 'required'
        ];
    }

    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }
}