1 files changed, 98 insertions, 0 deletions
diff --git a/Db.php b/Db.php
new file mode 100644
index 0000000..2b7b532
--- /dev/null
+++ b/Db.php
@@ -0,0 +1,98 @@
+<?php
+
+/**
+ * boeuf/Db.php
+ * @author Filipp Lepalaan <filipp@mekanisti.fi>
+ * http://www.php.net/manual/en/language.oop5.patterns.php
+ */
+
+class Db
+{ 
+  private static $instance = NULL;
+  
+  private function __construct()
+  {
+    
+  }
+  
+	/**
+	 * Open persistent connection to database
+	 */
+  public static function getInstance()
+  {
+    $c = App::conf();
+		
+		if (!self::$instance)
+		{
+		  try {
+			  self::$instance = new PDO(
+			    "{$c['db.driver']}:host={$c['db.host']};dbname={$c['db.name']}",
+  				$c['db.username'], $c['db.password'], array(PDO::ATTR_PERSISTENT => true)
+  			);
+  			
+			  self::$instance->query("SET NAMES utf8");
+		
+		  } catch (PDOException $e) {
+			  exit(App::error($e->getMessage()));
+		  }
+		
+    }
+  
+    return self::$instance;
+  
+  }
+	
+	/**
+	 * Deny cloning
+	 */
+  public function __clone()
+  {
+    trigger_error("Hello, ich name was Singleton. Cloning is not allowed", E_USER_ERROR);
+  }
+  
+  /**
+   * Execute an SQL query
+   */
+  public function query($sql, $data = null)
+	{
+	  if (!$data) {
+      $data = array();
+	  }
+	  
+	  // Might be just a string
+	  if (!is_array($data)) {
+      $data = array($data);
+	  }
+	  
+    try {
+    
+      $stmt = self::getInstance()->prepare($sql);
+      $result = $stmt->execute($data);
+  
+      if (!$result) {
+        $e = $stmt->errorInfo();
+        exit(App::error($e[2]));
+      }
+    
+    } catch (PDOException $e) {
+        $error = $e->getMessage() . $sql;
+        App::log($error);
+        exit(App::error($error));
+    }
+    
+    // Select statements need the query results
+    if (preg_match('/^select/i', $sql)) {
+      return $stmt;
+    }
+    
+    if (empty($data['id'])) {
+      $data['id'] = self::getInstance()->lastInsertId();
+    }
+    
+    return $data;
+  
+  }
+	
+}
+
+?>
+\ No newline at end of file