refactor(ui): share one clipboard write command

internal/ui/chat/messageslist/msg.go

@@ -20,7 +20,6 @@ import (
 	"github.com/ayn2op/tview/viewport"
 	"github.com/ncruces/zenity"
 	"github.com/skratchdot/open-golang/open"
-	"golang.design/x/clipboard"
 )
 
 // Msg is implemented by the messages the list sends itself, which must reach it whatever has the focus.
@@ -114,12 +113,7 @@ func (m Model) yankMessageID() tview.Cmd {
 		return nil
 	}
 
-	return func() tview.Msg {
+	return ui.WriteClipboard(selectedMessage.ID.String())
-		if _, err := clipboard.Write(context.Background(), clipboard.FmtText, []byte(selectedMessage.ID.String())); err != nil {
-			slog.Error("failed to write to clipboard", "err", err)
-		}
-		return nil
-	}
 }
 
 func (m Model) yankContent() tview.Cmd {
@@ -128,12 +122,7 @@ func (m Model) yankContent() tview.Cmd {
 		return nil
 	}
 
-	return func() tview.Msg {
+	return ui.WriteClipboard(selectedMessage.Content)
-		if _, err := clipboard.Write(context.Background(), clipboard.FmtText, []byte(selectedMessage.Content)); err != nil {
-			slog.Error("failed to write to clipboard", "err", err)
-		}
-		return nil
-	}
 }
 
 func (m Model) yankURL() tview.Cmd {
@@ -142,12 +131,7 @@ func (m Model) yankURL() tview.Cmd {
 		return nil
 	}
 
-	return func() tview.Msg {
+	return ui.WriteClipboard(selectedMessage.URL())
-		if _, err := clipboard.Write(context.Background(), clipboard.FmtText, []byte(selectedMessage.URL())); err != nil {
-			slog.Error("failed to write to clipboard", "err", err)
-		}
-		return nil
-	}
 }
 
 func (m Model) open() tview.Cmd {

internal/ui/clipboard.go

@@ -0,0 +1,19 @@
+package ui
+
+import (
+	"context"
+	"log/slog"
+
+	"github.com/ayn2op/tview"
+	"golang.design/x/clipboard"
+)
+
+// WriteClipboard copies text to the clipboard.
+func WriteClipboard(text string) tview.Cmd {
+	return func() tview.Msg {
+		if _, err := clipboard.Write(context.Background(), clipboard.FmtText, []byte(text)); err != nil {
+			slog.Error("failed to write to clipboard", "err", err)
+		}
+		return nil
+	}
+}

internal/ui/login/msg.go

@@ -1,23 +1,12 @@
 package login
 
 import (
-	"context"
 	"log/slog"
 
 	"github.com/ayn2op/discordo/internal/ui"
 	"github.com/ayn2op/tview"
-	"golang.design/x/clipboard"
 )
 
-func setClipboard(content string) tview.Cmd {
-	return func() tview.Msg {
-		if _, err := clipboard.Write(context.Background(), clipboard.FmtText, []byte(content)); err != nil {
-			slog.Error("failed to write to clipboard", "err", err)
-		}
-		return nil
-	}
-}
-
 // selectTabMsg switches to the tab at an index.
 type selectTabMsg int
 
@@ -25,7 +14,7 @@ func showErrorDialog(err error) tview.Cmd {
 	slog.Error("failed to login", "err", err)
 	message := err.Error()
 	return ui.ShowDialog(message,
-		ui.DialogButton{Label: "Copy", Cmd: setClipboard(message), KeepOpen: true},
+		ui.DialogButton{Label: "Copy", Cmd: ui.WriteClipboard(message), KeepOpen: true},
 		ui.DialogButton{Label: "Close"},
 	)
 }

internal/ui/tree/msg.go

@@ -1,13 +1,11 @@
 package tree
 
 import (
-	"context"
 	"fmt"
-	"log/slog"
 
+	"github.com/ayn2op/discordo/internal/ui"
 	"github.com/ayn2op/tview"
 	"github.com/ayn2op/tview/tree"
-	"golang.design/x/clipboard"
 )
 
 // YankID copies the ID of node to the clipboard.
@@ -20,10 +18,5 @@ func YankID(node *tree.Node) tview.Cmd {
 	if !ok {
 		return nil
 	}
-	return func() tview.Msg {
+	return ui.WriteClipboard(id.String())
-		if _, err := clipboard.Write(context.Background(), clipboard.FmtText, []byte(id.String())); err != nil {
-			slog.Error("failed to write to clipboard", "err", err)
-		}
-		return nil
-	}
 }