/// <summary>
/// Unlogs an emoji from the database.
/// </summary>
/// <param name="channel">The channel that the emoji was used in.</param>
/// <param name="message">The message associated with the emoji.</param>
/// <param name="reaction">The emoji that was used.</param>
/// <param name="emote">The emote that was used, if any.</param>
/// <returns>
/// A <see cref="Task"/> that will complete when the operation completes.
/// </returns>
private async Task UnlogReactionAsync(ITextChannel channel, IUserMessage message, ISocketReaction reaction, IEmoteEntity emote)
{
using (var transaction = await _emojiRepository.BeginMaintainTransactionAsync())
{
await _emojiRepository.DeleteAsync(new EmojiSearchCriteria()
{
GuildId = channel.GuildId,
ChannelId = channel.Id,
MessageId = message.Id,
UserId = reaction.UserId,
EmojiId = emote?.Id,
EmojiName = emote is null
? reaction.Emote.Name
: null,
UsageType = EmojiUsageType.Reaction,
});
/// <summary>
/// Logs a reaction in the database.
/// </summary>
/// <param name="channel">The channel that the emoji was used in.</param>
/// <param name="message">The message associated with the emoji.</param>
/// <param name="reaction">The emoji that was used.</param>
/// <param name="emote">The emote that was used, if any.</param>
/// <returns>
/// A <see cref="Task"/> that will complete when the operation completes.
/// </returns>
private async Task LogReactionAsync(ITextChannel channel, IUserMessage message, ISocketReaction reaction, IEmoteEntity emote)
{
using (var transaction = await _emojiRepository.BeginMaintainTransactionAsync())
{
await _emojiRepository.CreateAsync(new EmojiCreationData()
{
GuildId = channel.GuildId,
ChannelId = channel.Id,
MessageId = message.Id,
UserId = reaction.UserId,
EmojiId = emote?.Id,
EmojiName = reaction.Emote.Name,
IsAnimated = emote?.Animated ?? false,
UsageType = EmojiUsageType.Reaction,
});
transaction.Commit();
}
}
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);
}
}
private Task OnReactionRemovedAsync(ICacheable <IUserMessage, ulong> message, IISocketMessageChannel channel, ISocketReaction reaction)
{
MessageDispatcher.Dispatch(new ReactionRemovedNotification(message, channel, reaction));
return(Task.CompletedTask);
}
public async Task ReactionAdded(ICacheable <IUserMessage, ulong> cachedMessage, IISocketMessageChannel channel, ISocketReaction reaction)
{
//Don't trigger if the emoji is wrong, if the user is a bot, or if we've
//made an error message reply already
if (reaction.User.IsSpecified && reaction.User.Value.IsBot)
{
return;
}
if (reaction.Emote.Name != _emoji || ErrorReplies.ContainsKey(cachedMessage.Id))
{
return;
}
//If the message that was reacted to has an associated error, reply in the same channel
//with the error message then add that to the replies collection
if (AssociatedErrors.TryGetValue(cachedMessage.Id, out var value))
{
var msg = await channel.SendMessageAsync("", false, new EmbedBuilder()
{
Author = new EmbedAuthorBuilder
{
IconUrl = "https://raw.githubusercontent.com/twitter/twemoji/gh-pages/2/72x72/26a0.png",
Name = "That command had an error"
},
Description = value,
Footer = new EmbedFooterBuilder {
Text = "Remove your reaction to delete this message"
}
}.Build());
if (ErrorReplies.TryAdd(cachedMessage.Id, msg.Id) == false)
{
await msg.DeleteAsync();
}
}
}
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());
}
}
/// <summary>
/// Constructs a new <see cref="ReactionRemovedNotification"/> object from the given data values.
/// </summary>
/// <param name="message">The value to use for <see cref="Message"/>.</param>
/// <param name="channel">The value to use for <see cref="Channel"/>.</param>
/// <param name="reaction">The value to use for <see cref="Reaction"/>.</param>
/// <exception cref="ArgumentNullException">Throws for <paramref name="channel"/> and <paramref name="reaction"/>.</exception>
public ReactionRemovedNotification(ICacheable <IUserMessage, ulong> message, IISocketMessageChannel channel, ISocketReaction reaction)
{
Message = message;
Channel = channel ?? throw new ArgumentNullException(nameof(channel));
Reaction = reaction ?? throw new ArgumentNullException(nameof(reaction));
}
