/home/sditechnicalteam/public_html/app/Http/Requests/Product/ Current File: //home/sditechnicalteam/public_html/app/Http/Requests/Product/UpdateProductRequest.php
<?php

namespace App\Http\Requests\Product;

use App\Http\Requests\CoreRequest;
use App\Models\CustomField;

class UpdateProductRequest extends CoreRequest
{

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

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        $rules = [
            'name' => 'required',
            'price' => 'required|numeric',
            'downloadable_file' => 'nullable|file',
        ];

        if (request()->get('custom_fields_data')) {
            $fields = request()->get('custom_fields_data');

            foreach ($fields as $key => $value) {
                $idarray = explode('_', $key);
                $id = end($idarray);
                $customField = CustomField::findOrFail($id);

                if ($customField->required == 'yes' && (is_null($value) || $value == '')) {
                    $rules['custom_fields_data['.$key.']'] = 'required';
                }
            }

        }

        return $rules;
    }

    public function attributes()
    {
        $attributes = [];

        if (request()->get('custom_fields_data')) {
            $fields = request()->get('custom_fields_data');

            foreach ($fields as $key => $value) {
                $idarray = explode('_', $key);
                $id = end($idarray);
                $customField = CustomField::findOrFail($id);

                if ($customField->required == 'yes') {
                    $attributes['custom_fields_data['.$key.']'] = $customField->label;
                }
            }

        }

        return $attributes;
    }

}