Introduced helper methods for parsing/biding request parameters

api/users.go

@@ -4,13 +4,12 @@ import "github.com/deluan/gosonic/api/responses"
 
 type UsersController struct{ BaseAPIController }
 
-// TODO This is a placeholder. The real one has to read this info from a config file
+// TODO This is a placeholder. The real one has to read this info from a config file or the database
 func (c *UsersController) GetUser() {
 	r := c.NewEmpty()
 	r.User = &responses.User{}
-	r.User.Username = c.GetParameter("username", "Required string parameter 'username' is not present")
+	r.User.Username = c.RequiredParamString("username", "Required string parameter 'username' is not present")
 	r.User.StreamRole = true
 	r.User.DownloadRole = true
 	c.SendResponse(r)
 }
-