aol/transformers

<?php

namespace Aol\Transformers\Utilities;

use Aol\Transformers\AbstractDefinitionTrait;

trait MySqlTrait
{
    use AbstractDefinitionTrait;

    /**
     * Defines a date property.
     *
     * @param string $app_name Property name in application context.
     * @param string $ext_name Property name storage context.
     */
    protected function defineDate($app_name, $ext_name)
    {
        $app_callable = function($date) {
            // If the value is empty, or a string containing
            // *only* characters (' ', '-', '_', ':', '\', '/', '0'), then the DateTime is considered null.
            if (empty($date) || (is_string($date) && preg_match('~^[ \\-_:\\\\/0]+$~', $date))) {
                return null;
            } else {
                return new \DateTime($date);
            }
        };

        $ext_callable = function($date) {
            return !$date instanceof \DateTime ? null : $date->format('Y-m-d');
        };

        $this->define($app_name, $ext_name, $app_callable, $ext_callable);
    }

    /**
     * Defines a date property.
     *
     * @param string $app_name Property name in application context.
     * @param string $ext_name Property name storage context.
     */
    protected function defineDateTime($app_name, $ext_name)
    {
        $app_callable = function($date) {
            // If the value is empty, or a string containing
            // *only* characters (' ', '-', '_', ':', '\', '/', '0'), then the DateTime is considered null.
            if (empty($date) || (is_string($date) && preg_match('~^[ \\-_:\\\\/0]+$~', $date))) {
                return null;
            } else {
                return new \DateTime($date);
            }
        };

        $ext_callable = function($date) {
            return !$date instanceof \DateTime ? null : $date->format('Y-m-d H:i:s');
        };

        $this->define($app_name, $ext_name, $app_callable, $ext_callable);
    }

    /**
     * Defines an ID property.
     *
     * @param string $app_name Property name in application context.
     * @param string $ext_name Property name storage context.
     */
    public function defineId($app_name, $ext_name)
    {
        $this->define($app_name, $ext_name, 'intval', 'strval');
    }
}