save.php

См. документацию.

<?php
 
namespace Bitrix\Location\Repository\Location\Strategy;
 
use Bitrix\Location\Entity\Location;
use Bitrix\Location\Repository\Location\Capability\ISaveParents;
use Bitrix\Location\Repository\Location\IRepository;
use Bitrix\Location\Repository\Location\ICache;
use Bitrix\Location\Repository\Location\IDatabase;
use Bitrix\Location\Repository\Location\Capability\ISave;
use Bitrix\Location\Repository\Location\Strategy\Save\NewItem;
use Bitrix\Main\Result;

class Save
    extends Base
    implements ISave, ISaveParents
{
    protected $locationRepositories = [];

    public function setLocationRepositories(array $locationRepositories): Base
    {
        $idx = 0;
 
        foreach($locationRepositories as $repository)
        {
            if($repository instanceof ISave)
            {
                $key = (string)$this->getRepoPriority($repository) . (string)($idx++);
                $this->locationRepositories[$key] = $repository;
            }
        }
 
        ksort($this->locationRepositories);
        return $this;
    }

    protected function getRepoPriority(IRepository $repository)
    {
        if($repository instanceof IDatabase)
        {
            $result = self::REPO_PRIORITY_A;
        }
        elseif($repository instanceof ICache)
        {
            $result = self::REPO_PRIORITY_B;
        }
        else
        {
            $result = self::REPO_PRIORITY_C;
        }
 
        return $result;
    }

    public function save(Location $location): Result
    {
        if($location->getId() <= 0)
        {
            return (new NewItem($this->locationRepositories))
                ->save($location);
        }
 
        $result = new Result();
 
        foreach($this->locationRepositories as $repository)
        {
            $res = $repository->save($location);
 
            if(!$res->isSuccess())
            {
                $result->addErrors($res->getErrors());
            }
        }
 
        if($parents = $location->getParents())
        {
            $res = $this->saveParents($parents);
 
            if (!$res->isSuccess())
            {
                $result->addErrors($res->getErrors());
            }
        }
 
        return $result;
    }
 
    public function saveParents(Location\Parents $parents): Result
    {
        $result = new Result();
 
        foreach($this->locationRepositories as $repository)
        {
            if($repository instanceof ISaveParents)
            {
                $res = $repository->saveParents($parents);
 
                if (!$res->isSuccess())
                {
                    $result->addErrors($res->getErrors());
                }
            }
        }
 
        return $result;
    }
}