107 lines
2.7 KiB
PHP
107 lines
2.7 KiB
PHP
<?php
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/**
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* Vvveb
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*
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* Copyright (C) 2022 Ziadin Givan
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Vvveb\System;
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class Cache {
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private $driver;
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private $expire;
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private $buffer;
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public static function getInstance() {
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static $inst = null;
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if ($inst === null) {
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$driver = \Vvveb\config('app.cache.driver', 'file');
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$inst = new self($driver);
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}
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return $inst;
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}
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public function __construct($driver, $expire = 3600) {
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$class = '\\Vvveb\\System\\Cache\\' . $driver;
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$this->expire = $expire;
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if (class_exists($class)) {
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$options = \Vvveb\config(APP . '.cache', []);
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$this->driver = new $class($options);
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} else {
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throw new \Exception("Error loading cache driver '$driver'!");
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}
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return $this->driver;
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}
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public function get($namespace, $key) {
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return $this->buffer[$namespace][$key] ??
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$this->buffer[$namespace][$key] = $this->driver->get($namespace, $key);
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}
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public function set($namespace, $key, $value, $expire = 0) {
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$expire = $expire ?? $this->expire;
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if (isset($this->buffer[$namespace][$key])) {
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$this->buffer[$namespace][$key] = $value;
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}
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return $this->driver->set($namespace, $key, $value, $expire);
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}
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// cache the results of the callback retrive if exists or save if expired
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public function cache($namespace, $key, $callback, $expire = 0) {
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if (($value = $this->driver->get($namespace, $key)) !== null) {
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return $value;
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}
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$value = $callback();
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$expire = $expire ?? $this->expire;
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if ($this->driver->set($namespace, $key, $value, $expire)) {
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}
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return $value;
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}
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public function getMulti($namespace, $key, $serverKey = false) {
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return $this->driver->getMulti($namespace, $key, $serverKey);
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}
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public function setMulti($namespace, $items, $expire = 0, $serverKey = false) {
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$expire = $expire ? $expire : $this->expire;
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return $this->driver->setMulti($namespace, $items, $expire, $serverKey);
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}
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public function delete($namespace, $key = '') {
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return $this->driver->delete($namespace, $key);
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}
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public function purge($namespace = '') {
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return $this->driver->delete($namespace);
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}
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}
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