From 4fbc3fa105f9d6eb85dd798a1f1d42615ef594df Mon Sep 17 00:00:00 2001
From: Michael RICOIS <mricois@scores-decisions.com>
Date: Thu, 28 Apr 2011 07:49:27 +0000
Subject: [PATCH] Ajout class de gestion du cache

---
 library/Scores/Cache.php | 101 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 library/Scores/Cache.php

diff --git a/library/Scores/Cache.php b/library/Scores/Cache.php
new file mode 100644
index 000000000..7e3925917
--- /dev/null
+++ b/library/Scores/Cache.php
@@ -0,0 +1,101 @@
+<?php
+class Cache
+{
+	protected $maxTime = 8;
+	protected $extension = '.tpl';
+	protected $filename = null;
+	protected $cache_loaded = false;
+	protected $file_loaded;
+	protected $cache = array();
+	
+	public function __construct($name = null)
+	{
+		$this->filename = APPLICATION_PATH.'/../cache/pages/'.$name.$this->extension;
+	}
+	
+	public function exist()
+	{
+		//Fichier inexistant
+		if ( !file_exists($this->filename) ) {
+			return false;
+		}
+		//Ficher timeover
+		if ( $this->timeover($this->filename) ) {
+			return false;
+		}
+		return true;
+	}
+	
+	public function setBlock($block, $array)
+	{
+		//Ajout des blocs sérialisés
+		if(!empty($this->filename)){
+			$data = $block.' = '.serialize($array);
+			if( !$this->_writefile($data, $this->filename) ) {
+				return true;
+			}
+		}
+		return false;
+	}
+	
+	public function getBlock($block)
+	{
+		$cache = $this->_readfile($this->filename);
+		if(isset($cache[$block])){
+			//Traitement
+			$block = unserialize($cache[$block]);
+			return $block;
+		} else {
+			return false;
+		}
+	}
+	
+	protected function timeover()
+	{
+		$dateFile = filemtime($this->filename);
+		$now = mktime(date('G'), date('i'), date('s'), date("m") , date("d"), date("Y"));
+		$maxTime = mktime(
+			date('G',$dateFile)+$this->maxTime,
+			date('i',$dateFile),
+			date('s',$dateFile),
+			date("m",$dateFile),
+			date("d",$dateFile),
+			date("Y",$dateFile));
+		if( $now>$maxTime ) {
+			return true;
+		}
+		return false;
+	}
+	
+	protected function deletefile()
+	{
+		if(file_exists($this->file))
+			return unlink($this->file);
+		else
+			return false;
+	}
+	
+	protected function _readfile()
+	{
+		if ( ($this->filename != $this->file_loaded) ) {
+			$this->file_loaded = $this->filename;
+			if (is_file($this->filename)) {
+				$lines = file($this->filename);
+				foreach ($lines as $line_num => $line) {
+					list($key, $value) = explode(' = ', $line, 2);
+					$cache[$key] = $value;
+				}
+			}
+			$this->cache_loaded = true;
+		}
+		return $cache;
+	}
+	
+	protected function _writefile($line)
+	{
+		$fp = fopen($this->filename,'a');
+		$result = fwrite($fp,$line."\n");
+		fclose($fp);
+		return $result;
+	}
+}
\ No newline at end of file