Fixed several bugs related to channel orders and message edits

channel.go

@@ -254,7 +254,7 @@ func (ch *Channel) JoinServer(ctx context.Context, ct cchat.MessagesContainer) (
 		ch.session.AddHandler(func(m *gateway.MessageUpdateEvent) {
 			// If the updated content is empty. TODO: add embed support.
 			if m.ChannelID == ch.id && m.Content != "" {
-				ct.UpdateMessage(NewMessageUpdateContent(m.Message))
+				ct.UpdateMessage(NewMessageUpdateContent(m.Message, ch.session))
 			}
 		}),
 		ch.session.AddHandler(func(m *gateway.MessageDeleteEvent) {

guild.go

@@ -158,10 +158,16 @@ func (g *Guild) Servers(container cchat.ServersContainer) error {
 	// Only get top-level channels (those with category ID being null).
 	var toplevels = filterAccessible(g.session, filterCategory(c, discord.NullSnowflake))
 
-	sort.Slice(toplevels, func(i, j int) bool {
+	// Sort so that positions are correct.
+	sort.SliceStable(toplevels, func(i, j int) bool {
 		return toplevels[i].Position < toplevels[j].Position
 	})
 
+	// Sort so that channels are before categories.
+	sort.SliceStable(toplevels, func(i, _ int) bool {
+		return toplevels[i].Type != discord.GuildCategory
+	})
+
 	var chs = make([]cchat.Server, 0, len(toplevels))
 
 	for _, ch := range toplevels {

message.go

@@ -121,10 +121,19 @@ type Message struct {
 	mentioned bool
 }
 
-func NewMessageUpdateContent(msg discord.Message) Message {
+func NewMessageUpdateContent(msg discord.Message, s *Session) Message {
+	// Check if content is empty.
+	if msg.Content == "" {
+		// Then grab the content from the state.
+		m, err := s.Store.Message(msg.ChannelID, msg.ID)
+		if err == nil {
+			msg.Content = m.Content
+		}
+	}
+
 	return Message{
 		messageHeader: newHeader(msg),
-		content:       text.Rich{Content: msg.Content},
+		content:       segments.ParseMessage(&msg, s.Store),
 	}
 }