public async Task ReactionRemoved(ICacheable <IUserMessage, ulong> cachedMessage, IISocketMessageChannel channel, ISocketReaction reaction)
{
//Bugfix for NRE?
if (reaction is null || reaction.User.Value is null)
{
return;
}
//Don't trigger if the emoji is wrong, or if the user is bot
if (reaction.User.IsSpecified && reaction.User.Value.IsBot)
{
return;
}
if (reaction.Emote.Name != _emoji)
{
return;
}
//If there's an error reply when the reaction is removed, delete that reply,
//remove the cached error, remove it from the cached replies, and remove
//the reactions from the original message
if (ErrorReplies.TryGetValue(cachedMessage.Id, out var botReplyId) == false)
{
return;
}
await channel.DeleteMessageAsync(botReplyId);
if
(
AssociatedErrors.TryRemove(cachedMessage.Id, out _) &&
ErrorReplies.TryRemove(cachedMessage.Id, out _)
)
{
var originalMessage = await cachedMessage.GetOrDownloadAsync();
//If we know what user added the reaction, remove their and our reaction
//Otherwise just remove ours
if (reaction.User.IsSpecified)
{
await originalMessage.RemoveReactionAsync(_emote, reaction.User.Value);
}
await originalMessage.RemoveReactionAsync(_emote, await _selfUserProvider.GetSelfUserAsync());
}
}