wticreatorstudio/Modules/Frontend/Http/Requests/SectionRequest.php

<?php

namespace Modules\Frontend\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

class SectionRequest extends FormRequest
{
    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        $id_rules = ['required', 'integer', 'gt:0', 'exists:frontend_sections'];

        if ($this->method() == 'DELETE' || ($this->has('nodata'))) {
            return [
                'id' => $id_rules,
            ];
        }

        return [
            'id' => [Rule::when($this->method() == 'PUT', $id_rules)],
            'title' => ['required', 'string'],
            'layout' => ['required', 'string'],
        ];
    }

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