zhangv\wechat\pay\cache\JsonFileCacheProvider

Complexity

Total Complexity

9

Size/Duplication

Total Lines	35
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	get()	0	11	3
A	clear()	0	4	2
A	__construct()	0	3	2
A	set()	0	7	2

<?php
/**
 * JsonFileCacheProvider
 *
 * @license MIT
 * @author zhangv
 */
namespace zhangv\wechat\pay\cache;
class JsonFileCacheProvider implements CacheProvider{
	private $cacheDir = null;

	public function __construct($cacheDir = null){
		if(!$cacheDir) $this->cacheDir = __DIR__;
		else $this->cacheDir = $cacheDir;
	}

	public function set($key,$jsonobj,$expireAt = null){
		$data = $jsonobj;
		$data->expires_at = $expireAt;
		$file = "{$this->cacheDir}/{$key}.json";
		if($fp = @fopen($file, "w")){
			fwrite($fp, json_encode($data));
			fclose($fp);
		}
	}

	public function get($key){
		$file = "{$this->cacheDir}/{$key}.json";
		$cache = null;
		if(file_exists($file)){
			$cache = json_decode(file_get_contents($file));
			if($cache->expires_at < time()){
				$cache = null;
				$this->clear($key);
			}
		}
		return $cache;
	}

	public function clear($key){
		$file = "{$this->cacheDir}/{$key}.json";
		if (file_exists($file)) {
			unlink($file);
		}
	}
}