Tidy up list.go

worker/imap/list.go

@@ -14,28 +14,21 @@ func (imapw *IMAPWorker) handleListDirectories(msg *types.ListDirectories) {
 		done <- imapw.client.List("", "*", mailboxes)
 	}()
 	go func() {
-		for {
+		for mbox := range mailboxes {
-			select {
+			imapw.worker.PostMessage(&types.Directory{
-			case err := <-done:
+				Message:    types.RespondTo(msg),
-				if err != nil {
+				Name:       mbox.Name,
-					imapw.worker.PostMessage(&types.Error{
+				Attributes: mbox.Attributes,
-						Message: types.RespondTo(msg),
+			}, nil)
-						Error:   err,
+		}
-					}, nil)
+		if err := <-done; err != nil {
-				} else {
+			imapw.worker.PostMessage(&types.Error{
-					imapw.worker.PostMessage(
+				Message: types.RespondTo(msg),
-						&types.Done{types.RespondTo(msg)}, nil)
+				Error:   err,
-				}
+			}, nil)
-				return
+		} else {
-			case mbox := <-mailboxes:
+			imapw.worker.PostMessage(
-				if mbox != nil {
+				&types.Done{types.RespondTo(msg)}, nil)
-					imapw.worker.PostMessage(&types.Directory{
-						Message:    types.RespondTo(msg),
-						Name:       mbox.Name,
-						Attributes: mbox.Attributes,
-					}, nil)
-				}
-			}
 		}
 	}()
 }