abcParser/src/Traits/ValidationTrait.php

<?php
namespace XaiCorp\AbcParser\Traits;

use Illuminate\Support\Facades\Validator;
use Illuminate\Support\MessageBag;

Trait ValidationTrait
{

    /**
     * @var MessageBag
     */
    protected $messages;

    public function validate()
    {
        // validation
        $data = $this->getAttributes();

        $validator = Validator::make($data, $this->validationRules);

        if ($validator->fails()) {
            if (! $this->messages) {
                $this->messages = new MessageBag();
            }
            $this->messages = $validator->getMessageBag();
            return false;
        }

        return true;
    }

    /**
     * @return array|MessageBag
     */
    public function getMessages()
    {
        return $this->messages?$this->messages->toArray():[];
    }

    /**
     * @return array
     */
    public function getValidationRules()
    {
        return $this->validationRules;
    }

    /**
     * fetch the validation rules for a model class
     *
     * @return array
     */
    public static function getRules()
    {
        $class = get_called_class();
        $instance = new $class();
        return $instance->getValidationRules();
    }
}