Refactored responses

api/ping.go

@@ -1,7 +1,6 @@
 package api
 
 import (
-	"encoding/xml"
 	"github.com/astaxie/beego"
 	"github.com/deluan/gosonic/api/responses"
 )
@@ -9,7 +8,5 @@ import (
 type PingController struct{ beego.Controller }
 
 func (c *PingController) Get() {
-	response := responses.NewEmpty()
-	xmlBody, _ := xml.Marshal(response)
-	c.Ctx.Output.Body([]byte(xml.Header + string(xmlBody)))
+	c.Ctx.Output.Body(responses.ToXML(responses.NewEmpty()))
 }