<?php

namespace App\Http\Requests;

abstract class UploadRequest extends Request
{
    protected $rules = [];

    abstract protected function setRules();

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        // some globaly defined rules
        $rules = [
            'keywords'    => 'max:255',
            'directoryId' => 'exists:directories,id'
        ];

        // setup additional rules
        $this->setRules();

        foreach ($this->rules as $field => $rule) {
            $rules[$field] = $rule;
        }

        return $rules;
    }
}