Draft: big refactor

plays/register.go

@@ -123,17 +123,19 @@ func (m *Register) Next(queue *[]*tea.Program) error {
 		}).
 		Post("/auth/register")
 
-	switch resp.StatusCode() {
-	case http.StatusOK:
+	if err == nil && resp.StatusCode() == http.StatusOK {
 		*queue = append(*queue,
 			tea.NewProgram(NewLogin(m.Base)))
-	case http.StatusBadRequest:
-		*queue = append(*queue,
-			tea.NewProgram(NewRedirect("Username already exist")))
-		*queue = append(*queue,
-			tea.NewProgram(NewRegister(m.Base)))
-	case http.StatusInternalServerError:
-		return err
+	} else {
+		switch resp.StatusCode() {
+		case http.StatusBadRequest:
+			*queue = append(*queue,
+				tea.NewProgram(NewRedirect("Username already exist")))
+			*queue = append(*queue,
+				tea.NewProgram(NewRegister(m.Base)))
+		default:
+			return err
+		}
 	}
 
 	return nil