baseaction.php

См. документацию.

<?php
 
namespace Bitrix\Sale\Controller\Action;
 
use Bitrix\Main;
use Bitrix\Sale;
use Bitrix\Rest;

class BaseAction extends Main\Engine\Action
{
    protected function onBeforeRun()
    {
        $checkPermissionResult = $this->checkPermission();
        if (!$checkPermissionResult->isSuccess())
        {
            $this->addErrors($checkPermissionResult->getErrors());
            return false;
        }
 
        $arguments = $this->getArguments();
 
        $checkCaseArgumentsResult = $this->checkArguments($arguments);
        if (!$checkCaseArgumentsResult->isSuccess())
        {
            $this->addErrors($checkCaseArgumentsResult->getErrors());
            return false;
        }
 
        // convert keys
        $converter = new Main\Engine\Response\Converter(
            Main\Engine\Response\Converter::KEYS
            | Main\Engine\Response\Converter::RECURSIVE
            | Main\Engine\Response\Converter::TO_SNAKE
            | Main\Engine\Response\Converter::TO_SNAKE_DIGIT
            | Main\Engine\Response\Converter::TO_UPPER
        );
        $arguments = $converter->process($arguments);
 
        $this->setArguments($arguments);
 
        return parent::onBeforeRun();
    }
 
    private function checkPermission(): Sale\Result
    {
        $result = new Sale\Result();
 
        try
        {
            Sale\Helpers\Rest\AccessChecker::checkAccessPermission();
        }
        catch (Rest\AccessException $ex)
        {
            $result->addError(
                new Main\Error(
                    $ex->getMessage(),
                    Sale\Controller\ErrorEnumeration::BASE_ACTION_ACCESS_DENIED
                )
            );
        }
 
        return $result;
    }
 
    private function checkArguments(array $arguments): Sale\Result
    {
        $result = new Sale\Result();
 
        $checkCaseOfKeysResult = $this->checkCaseOfKeys($arguments);
        if (!$checkCaseOfKeysResult->isSuccess())
        {
            $result->addErrors($checkCaseOfKeysResult->getErrors());
        }
 
        return $result;
    }
 
    private function checkCaseOfKeys(array $fields): Sale\Result
    {
        $result = new Sale\Result();
 
        static $count = 0;
 
        foreach ($fields as $key => $value)
        {
            if (\is_int($key))
            {
                continue;
            }
 
            if (mb_strtoupper($key) === $key)
            {
                $result->addError(
                    new Main\Error(
                        "key \"{$key}\" has UPPERCASE notation. Use lowerCamelCase notation",
                        Sale\Controller\ErrorEnumeration::BASE_ACTION_UPPERCASE_KEY + $count
                    )
                );
 
                $count++;
            }
 
            if (\is_array($value))
            {
                $internalCheckResult = $this->checkCaseOfKeys($value);
                if (!$internalCheckResult->isSuccess())
                {
                    $result->addErrors($internalCheckResult->getErrors());
                }
            }
        }
 
        return $result;
    }
 
    public function runWithSourceParametersList()
    {
        $result = parent::runWithSourceParametersList();
 
        if ($this->errorCollection->isEmpty())
        {
            if (\is_array($result) && Main\Loader::includeModule('rest'))
            {
                $result = Rest\Integration\Externalizer::multiSortKeysArray($result);
            }
 
            return Main\Engine\Response\Converter::toJson()->process($result);
        }
 
        return $result;
    }
}