%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
class N2CacheManifest extends N2Cache
{
private $isRaw = false;
public function __construct($group, $isAccessible = false, $isRaw = false) {
parent::__construct($group, $isAccessible);
$this->isRaw = $isRaw;
}
public function makeCache($fileName, $hash, $callable) {
if (!$this->isCached($fileName, $hash)) {
$return = call_user_func($callable);
if ($return === false) {
return false;
}
return $this->createCacheFile($fileName, $hash, $return);
}
if ($this->isAccessible) {
return $this->getStorageFilePath($fileName);
}
return json_decode(N2Filesystem::readFile($this->getStorageFilePath($fileName)), true);
}
private function isCached($fileName, $hash) {
if (N2Filesystem::existsFile($this->getManifestFilePath($fileName))) {
$manifestData = json_decode(N2Filesystem::readFile($this->getManifestFilePath($fileName)), true);
if (!$this->isCacheValid($manifestData) || $manifestData['hash'] != $hash) {
$this->clean($fileName);
return false;
}
return true;
}
return false;
}
private function createCacheFile($fileName, $hash, $content) {
$manifestData = array();
$manifestData['hash'] = $hash;
$this->addManifestData($manifestData);
N2Filesystem::createFile($this->getManifestFilePath($fileName), json_encode($manifestData));
N2Filesystem::createFile($this->getStorageFilePath($fileName), $this->isRaw ? $content : json_encode($content));
if ($this->isAccessible) {
return $this->getStorageFilePath($fileName);
}
return $content;
}
protected function isCacheValid(&$manifestData) {
return true;
}
protected function addManifestData(&$manifestData) {
}
public function clean($fileName) {
if (N2Filesystem::existsFile($this->getManifestFilePath($fileName))) {
unlink($this->getManifestFilePath($fileName));
}
if (N2Filesystem::existsFile($this->getStorageFilePath($fileName))) {
unlink($this->getStorageFilePath($fileName));
}
}
protected function getManifestFilePath($fileName) {
return $this->getStorageFilePath($fileName) . '.manifest';
}
}
Zerion Mini Shell 1.0