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());
}
}
private async Task HandleReactionAsync(ICacheable <IUserMessage, ulong> cachedMessage, IReaction reaction)
{
var emote = reaction.Emote;
if (!_starboardService.IsStarEmote(emote))
{
return;
}
var message = await cachedMessage.GetOrDownloadAsync();
if (!(message.Channel is IGuildChannel channel))
{
return;
}
var isIgnoredFromStarboard = await _designatedChannelService
.ChannelHasDesignationAsync(channel.Guild, channel, DesignatedChannelType.IgnoredFromStarboard);
var starboardExists = await _designatedChannelService
.AnyDesignatedChannelAsync(channel.GuildId, DesignatedChannelType.Starboard);
if (isIgnoredFromStarboard || !starboardExists)
{
return;
}
var reactionCount = await _starboardService.GetReactionCount(message, emote);
if (await _starboardService.ExistsOnStarboard(message))
{
if (_starboardService.IsAboveReactionThreshold(reactionCount))
{
await _starboardService.ModifyEntry(channel.Guild, message, FormatContent(reactionCount), GetEmbedColor(reactionCount));
}
else
{
await _starboardService.RemoveFromStarboard(channel.Guild, message);
}
}
else if (_starboardService.IsAboveReactionThreshold(reactionCount))
{
var embed = GetStarEmbed(message, GetEmbedColor(reactionCount));
await _starboardService.AddToStarboard(channel.Guild, message, FormatContent(reactionCount), embed);
}
}
private async Task ModifyRatings(ICacheable <IUserMessage, ulong> cachedMessage, ISocketReaction reaction, ReactionState state)
{
if (reaction.Emote.Name != "tldr")
{
return;
}
var message = await cachedMessage.GetOrDownloadAsync();
if (message.Content.Length < 100)
{
return;
}
var roleIds = (reaction.User.GetValueOrDefault() as IGuildUser)?.RoleIds;
if (roleIds == null)
{
return;
}
_repasteRatings.TryGetValue(message.Id, out var currentRating);
var modifier = state == ReactionState.Added ? 1 : -1;
if (roleIds.Count > 1)
{
currentRating += 2 * modifier;
}
else
{
currentRating += 1 * modifier;
}
_repasteRatings[message.Id] = currentRating;
if (currentRating >= 2)
{
await UploadMessage(message);
_repasteRatings.Remove(message.Id);
}
}