//oups part 2

classes/CustomerMessage.php

@@ -36,6 +36,7 @@ class CustomerMessageCore extends ObjectModel
 	public $user_agent;
 	public $private;
 	public $date_add;
+	public $read;
 
 	/**
 	 * @see ObjectModel::$definition
@@ -52,6 +53,7 @@ class CustomerMessageCore extends ObjectModel
 			'user_agent' => 		array('type' => self::TYPE_STRING),
 			'private' => 			array('type' => self::TYPE_INT),
 			'date_add' => 			array('type' => self::TYPE_DATE, 'validate' => 'isDate'),
+			'read' => 				array('type' => self::TYPE_BOOL, 'validate' => 'isBool')
 		),
 	);
 

classes/CustomerThread.php

@@ -72,15 +72,17 @@ class CustomerThreadCore extends ObjectModel
 		return (parent::delete());
 	}
 
-	public static function getCustomerMessages($id_customer)
+	public static function getCustomerMessages($id_customer, $read = null)
 	{
-		return Db::getInstance()->executeS('
-			SELECT *
+		$sql = 'SELECT *
 			FROM '._DB_PREFIX_.'customer_thread ct
 			LEFT JOIN '._DB_PREFIX_.'customer_message cm
 				ON ct.id_customer_thread = cm.id_customer_thread
-			WHERE id_customer = '.(int)$id_customer
-		);
+			WHERE id_customer = '.(int)$id_customer;
+		if (!is_null($read))
+			$sql .= ' AND cm.`read` = '.(int)$read;
+
+		return Db::getInstance()->executeS($sql);
 	}
 
 	public static function getIdCustomerThreadByEmailAndIdOrder($email, $id_order)