Slackbot.NET & https://api.slack.com/events/emoji_changed

EmojiiChangedHandler.cs

public class EmojiChangedHandler(ISlackClient client) : IHandleEmojiChanged
{
    public async Task<EventHandledResponse> Handle(EventMetaData eventMetadata, EmojiChangedEvent emojichanged)
    {
        var subEvent = emojichanged.CreateSubType();

        var chatReq = new ChatPostMessageRequest
        {
            Channel = "#emojiilogs",
            Link_Names = true
        };

        chatReq.Blocks = subEvent switch
        {
            EmojiAdded added => [
                TextBlock($"New emojii! :{added.Name}:"),
                new ImageBlock { alt_text = added.Name, image_url = added.Value.ToString() }],
            EmojiRenamed { Value: not null } renamed => [
                TextBlock($"Emojii :{renamed.NewName}: changed") ,
                new ImageBlock { alt_text = $"{renamed.OldName}=>{renamed.NewName}", image_url = renamed.Value.ToString() }],
            EmojiRemoved del => [
                TextBlock($"Emoji `:{del.Names.First()}:` removed 😭")
            ],
            _ => chatReq.Blocks,
        };

        await client.ChatPostMessage(chatReq);
        return new EventHandledResponse("OK");

        SectionBlock TextBlock(string text) => new() { text = new Text { text = text} };
    }
}