PostRequestValidation.php

<?php

namespace App\Http\Requests;

use Illuminate\Support\Str;
use Illuminate\Foundation\Http\FormRequest;

class PostRequestValidate extends FormRequest
{
    /**
     * 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()
    {
        return [
            'title' => 'required|min:3',
            'body'  => 'required|min:3'
        ];
    }

    public function data()
    {
        return [
            'title' => $this->title,
            'slug'  => Str::slug($this->title, '-').'-'.Str::random(10),
            'body'  => $this->body,
        ];
    }
}