Response.php

<?php
namespace Justuno\M2;
use Justuno\Core\Framework\W\Result\Json;
# 2019-10-30
final class Response {
	/**
	 * 2019-11-20
	 * @used-by \Justuno\M2\Controller\Cart\Add::execute()
	 * @used-by \Justuno\M2\Controller\Response\Catalog::execute()
	 * @used-by \Justuno\M2\Controller\Response\Inventory::execute()
	 * @used-by \Justuno\M2\Controller\Response\Orders::execute()
	 */
	static function p(\Closure $f):Json {/** @var array(string => mixed) $r */
		# 2023-07-15 "Ignore requests of Heritrix web crawler": https://github.com/JustunoCom/m2/issues/51
		if (ju_request_ua('heritrix')) {
			$r = 'Heritrix is forbidden';
			ju_403();
		}
		else {
			try {
				$r = $f();
				ju_sentry(__CLASS__, sprintf('%s: %s', ju_request_o()->getHttpHost(), ju_class_l(ju_caller_c())));
			}
			catch (\Exception $e) {
				$r = ['message' => $e->getMessage()];
				ju_sentry(__CLASS__, $e);
			}
		}
		return Json::i(is_null($r) ? 'OK' : (!is_array($r) ? $r : self::filter($r)));
	}

	/**
	 * 2019-10-30 «if a property is null or an empty string do not send it back»: https://github.com/justuno-com/m1/issues/9
	 * @used-by self::filter()
	 * @used-by self::p()
	 * @param array(string => mixed) $a
	 * @return array(string => mixed)
	 */
	private static function filter(array $a):array {
		$r = []; /** @var array(string => mixed) $r */
		foreach ($a as $k => $v) { /** @var string $k */ /** @var mixed $v */
			if (!in_array($v, ['', null], true)) {
				$r[$k] = !is_array($v) ? $v : self::filter($v);
			}
		}
		return $r;
	}
}