From: Jeff Halter <redacted>
Date: Sun, 3 Jul 2022 21:56:52 +0000 (-0700)
Subject: Add error message handling to client
X-Git-Url: https://git.r.bdr.sh/rbdr/mobius/commitdiff_plain/9174dbe8a9057e240fd9c3825c5720d13f2fafc2?ds=inline;hp=-c

Add error message handling to client
---

9174dbe8a9057e240fd9c3825c5720d13f2fafc2
diff --git a/hotline/client.go b/hotline/client.go
index c322562..83bcfab 100644
--- a/hotline/client.go
+++ b/hotline/client.go
@@ -237,7 +237,41 @@ func handleTranServerMsg(c *Client, t *Transaction) (res []Transaction, err erro
 	return res, err
 }
 
+func (c *Client) showErrMsg(msg string) {
+	time := time.Now().Format(time.RFC850)
+
+	title := "| Error |"
+
+	msgBox := tview.NewTextView().SetScrollable(true)
+	msgBox.SetText(msg).SetBackgroundColor(tcell.ColorDarkRed)
+	msgBox.SetTitle(title).SetBorder(true)
+	msgBox.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
+		switch event.Key() {
+		case tcell.KeyEscape:
+			c.UI.Pages.RemovePage("serverMsgModal" + time)
+		}
+		return event
+	})
+
+	centeredFlex := tview.NewFlex().
+		AddItem(nil, 0, 1, false).
+		AddItem(tview.NewFlex().SetDirection(tview.FlexRow).
+			AddItem(nil, 0, 1, false).
+			AddItem(msgBox, 0, 2, true).
+			AddItem(nil, 0, 1, false), 0, 2, true).
+		AddItem(nil, 0, 1, false)
+
+	c.UI.Pages.AddPage("serverMsgModal"+time, centeredFlex, true, true)
+	c.UI.App.Draw() // TODO: errModal doesn't render without this.  wtf?
+}
+
 func handleGetFileNameList(c *Client, t *Transaction) (res []Transaction, err error) {
+	if t.IsError() {
+		c.showErrMsg(string(t.GetField(fieldError).Data))
+		c.Logger.Infof("Error: %s", t.GetField(fieldError).Data)
+		return res, err
+	}
+
 	fTree := tview.NewTreeView().SetTopLevel(1)
 	root := tview.NewTreeNode("Root")
 	fTree.SetRoot(root).SetCurrentNode(root)
diff --git a/hotline/transaction.go b/hotline/transaction.go
index 88e17df..9b0ac40 100644
--- a/hotline/transaction.go
+++ b/hotline/transaction.go
@@ -1,6 +1,7 @@
 package hotline
 
 import (
+	"bytes"
 	"encoding/binary"
 	"errors"
 	"fmt"
@@ -238,3 +239,7 @@ func (t *Transaction) GetField(id int) Field {
 
 	return Field{}
 }
+
+func (t *Transaction) IsError() bool {
+	return bytes.Compare(t.ErrorCode, []byte{0, 0, 0, 1}) == 0
+}