refactoring. added redis drivers.

laravel/cache/drivers/file.php

@@ -68,7 +68,9 @@ class File extends Driver {
 	 */
 	public function put($key, $value, $minutes)
 	{
-		file_put_contents($this->path.$key, (time() + ($minutes * 60)).serialize($value), LOCK_EX);
+		$value = (time() + ($minutes * 60)).serialize($value);
+
+		file_put_contents($this->path.$key, $value, LOCK_EX);
 	}
 
 	/**

laravel/cache/drivers/redis.php

@@ -0,0 +1,79 @@
+<?php namespace Laravel\Cache\Drivers;
+
+class Redis extends Driver {
+
+	/**
+	 * The Redis database instance.
+	 *
+	 * @var Redis
+	 */
+	protected $redis;
+
+	/**
+	 * Create a new Redis cache driver instance.
+	 *
+	 * @param  Redis  $redis
+	 * @return void
+	 */
+	public function __construct(\Laravel\Redis $redis)
+	{
+		$this->redis = $redis;
+	}
+
+	/**
+	 * Determine if an item exists in the cache.
+	 *
+	 * @param  string  $key
+	 * @return bool
+	 */
+	public function has($key)
+	{
+		return ( ! is_null($this->redis->get($key)));
+	}
+
+	/**
+	 * Retrieve an item from the cache driver.
+	 *
+	 * @param  string  $key
+	 * @return mixed
+	 */
+	protected function retrieve($key)
+	{
+		if ( ! is_null($cache = $this->redis->get($key)))
+		{
+			return unserialize($cache);
+		}
+	}
+
+	/**
+	 * Write an item to the cache for a given number of minutes.
+	 *
+	 * <code>
+	 *		// Put an item in the cache for 15 minutes
+	 *		Cache::put('name', 'Taylor', 15);
+	 * </code>
+	 *
+	 * @param  string  $key
+	 * @param  mixed   $value
+	 * @param  int     $minutes
+	 * @return void
+	 */
+	public function put($key, $value, $minutes)
+	{
+		$this->redis->set($key, serialize($value));
+
+		$this->redis->expire($key, $minutes * 60);
+	}
+
+	/**
+	 * Delete an item from the cache.
+	 *
+	 * @param  string  $key
+	 * @return void
+	 */
+	public function forget($key)
+	{
+		$this->redis->del($key);
+	}
+
+}