cache.php

<?php
namespace Bitrix\Location\Common;
 
use Bitrix\Main\Data;
use Bitrix\Main\EventManager;
 
abstract class Cache
{
    protected $cache;
 
    public function __construct(int $ttl, string $cacheId, Data\Cache $cache, EventManager $eventManager)
    {
        $cacheDir = '/location';
        $this->cache = $cache;
 
        if($this->cache->initCache($ttl, $cacheId, $cacheDir))
        {
            $this->loadDataFromCache();
        }
 
        $eventManager->addEventHandler('main', 'OnAfterEpilog', [$this, 'saveDataToCache']);
    }
 
    abstract protected function loadDataFromCache(): void;
    abstract public function saveDataToCache(): void;
}