1 files changed, 73 insertions, 0 deletions
diff --git a/linkshorter/class/db.php b/linkshorter/class/db.php
new file mode 100644
index 0000000..7713487
--- /dev/null
+++ b/linkshorter/class/db.php
@@ -0,0 +1,73 @@
+<?php
+
+class Database {
+
+	private $db;
+	public $error;
+
+	public function __construct($connect = false, $db = false){
+		$this->db = new Redis();
+		
+		if ( ! $connect || ! $db )
+			return;
+
+		$this->connect($connect, $db);
+	}
+	
+	public function connect($connect, $db){
+		try {
+			$this->db->connect($connect);
+		} catch (Exception $e){
+			$this->error = $e;
+			return false;
+		}
+
+		try {
+			$this->db->select($db);
+		} catch (Exception $e){
+			$this->error = $e;
+			return false;
+		}
+
+		try {
+			$this->db->ping();
+		} catch (Exception $e){
+			$this->error = $e;
+			return false;
+		}
+		
+		return true;
+	}
+
+	public function expire($key, $ttl){
+		try {
+			$this->db->setTimeout($key, $ttl);
+		} catch (Exception $e){
+			$this->error = $e;
+			return false;
+		}
+	}
+
+	public function set($key, $value, $ttl = null){
+		if ( is_null($ttl) )
+			return $this->db->set($key, $value);
+		else
+			return $this->db->set($key, $value, (int)$ttl);
+	}
+
+	public function get($key){
+		return $this->db->get($key);
+	}
+
+	public function exists($key){
+		return $this->db->exists($key);
+	}
+
+	public function __destruct(){
+		try {
+			$this->db->close();
+		} catch (Exception $e){
+			return false;
+		}
+	}
+}