CacheManager.php

<?php
 
namespace Bitrix\Im\V2\Settings;
 
use Bitrix\Main\Data\Cache;
 
class CacheManager
{
    public const GENERAL_PRESET = 'generalPreset';
    public const NOTIFY_PRESET = 'notifyPreset';
 
    private const CACHE_TTL = 31536000; //one year
    private const BASE_CACHE_DIR = '/im/settings/';
    private const USER_MODE = 'user';
    private const PRESET_MODE = 'preset';
 
    private static array $staticCache = [];
 
 
    private string $mode;
    private int $entityId;
    private Cache $cache;
 
    public static function getUserCache(?int $userId = null): self
    {
        return new static(self::USER_MODE, $userId);
    }
 
    public static function getPresetCache(?int $presetId = null): self
    {
        return new static(self::PRESET_MODE, $presetId);
    }
 
    private function __construct(string $mode, ?int $entityId = null)
    {
        $this->mode = $mode;
 
        if ($entityId !== null)
        {
            $this->setEntityId($entityId);
        }
 
        $this->cache = Cache::createInstance();
    }
 
 
    public function setEntityId(int $entityId): self
    {
        $this->entityId = $entityId;
 
        return $this;
    }
 
    public function getValue(): array
    {
        $result = [];
        $cacheName = $this->getCacheName();
        if (isset(static::$staticCache[$cacheName]))
        {
            return static::$staticCache[$cacheName];
        }
        if ($this->cache->initCache(self::CACHE_TTL, $cacheName, $this->getCacheDir()))
        {
            $result = $this->cache->getVars();
            static::$staticCache[$cacheName] = $result;
        }
 
        return $result;
    }
 
    public function setValue(array $value): self
    {
        $cacheName = $this->getCacheName();
 
        $this->cache->clean($cacheName, $this->getCacheDir());
 
        $this->cache->initCache(self::CACHE_TTL, $cacheName, $this->getCacheDir());
        $this->cache->startDataCache();
        $this->cache->endDataCache($value);
        static::$staticCache[$cacheName] = $value;
 
        return $this;
    }
 
    public function clearCache(): self
    {
        $cacheName = $this->getCacheName();
        $this->cache->clean($cacheName, $this->getCacheDir());
        unset(static::$staticCache[$cacheName]);
 
        return $this;
    }
 
    public function clearAll(): self
    {
        $this->cache->cleanDir($this->getCacheDir());
        static::$staticCache = [];
 
        return $this;
    }
 
    private function getCacheName(): string
    {
        return $this->mode . '_' . $this->entityId . '_v2';
    }
 
    private function getCacheDir(): string
    {
        return self::BASE_CACHE_DIR . $this->mode . '/';
    }
 
}