Read target mailbox for audit pane

backend/05-imap-target.go

@@ -11,6 +11,7 @@ type TargetMailbox interface {
 	Delim() string                            // Hierarchie-Trenner des Ziels
 	EnsureFolder(name string) error           // anlegen + subscriben, falls fehlt
 	Append(folder string, m RawMessage) error // mit m.Flags und m.InternalDate
+	Fetch(folder string) ([]RawMessage, error) // Ziel-Audit: geschriebene Mail wiederfinden
 	Close() error
 }
 
@@ -78,6 +79,13 @@ func (t *imapTarget) Append(folder string, m RawMessage) error {
 	return t.c.appendMessage(folder, m)
 }
 
+func (t *imapTarget) Fetch(folder string) ([]RawMessage, error) {
+	if err := t.c.selectMailbox(folder); err != nil {
+		return nil, err
+	}
+	return t.c.fetchAll()
+}
+
 func (t *imapTarget) Close() error {
 	return t.c.Close()
 }