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sam 2024-08-13 13:08:50 +02:00
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Catalogger.Backend/Bot/Responders/MessageDeleteResponder.cs Normal file
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using Catalogger.Backend.Cache;
using Catalogger.Backend.Database;
using Catalogger.Backend.Database.Queries;
using Catalogger.Backend.Extensions;
using Catalogger.Backend.Services;
using Humanizer;
using NodaTime;
using Remora.Discord.API;
using Remora.Discord.API.Abstractions.Gateway.Events;
using Remora.Discord.API.Abstractions.Objects;
using Remora.Discord.API.Objects;
using Remora.Discord.Extensions.Embeds;
using Remora.Discord.Gateway.Responders;
using Remora.Results;
namespace Catalogger.Backend.Bot.Responders;
public class MessageDeleteResponder(
ILogger logger,
DatabaseContext db,
MessageRepository messageRepository,
WebhookExecutorService webhookExecutor,
ChannelCacheService channelCache,
UserCacheService userCache,
IClock clock) : IResponder<IMessageDelete>
{
private readonly ILogger _logger = logger.ForContext<MessageDeleteResponder>();
public async Task<Result> RespondAsync(IMessageDelete ev, CancellationToken ct = default)
{
if (!ev.GuildID.IsDefined()) return Result.Success;
if (ev.ID.Timestamp < DateTimeOffset.Now - 1.Minutes())
{
_logger.Debug(
"Deleted message {MessageId} is less than 1 minute old, delaying 5 seconds to give PK time to catch up",
ev.ID);
await Task.Delay(5.Seconds(), ct);
}
if (await messageRepository.IsMessageIgnoredAsync(ev.ID.Value, ct)) return Result.Success;
var guild = await db.GetGuildAsync(ev.GuildID, ct);
if (guild.IsMessageIgnored(ev.ChannelID, ev.ID)) return Result.Success;
var logChannel = webhookExecutor.GetLogChannel(guild, LogChannelType.MessageDelete, ev.ChannelID);
var msg = await messageRepository.GetMessageAsync(ev.ID.Value, ct);
// Sometimes a message that *should* be logged isn't stored in the database, notify the user of that
if (msg == null)
{
if (logChannel == null) return Result.Success;
await webhookExecutor.QueueLogAsync(logChannel.Value, new Embed(
Title: "Message deleted",
Description: $"A message not found in the database was deleted in <#{ev.ChannelID}> ({ev.ChannelID}).",
Footer: new EmbedFooter(Text: $"ID: {ev.ID}"),
Timestamp: clock.GetCurrentInstant().ToDateTimeOffset()
));
return Result.Success;
}
logChannel = webhookExecutor.GetLogChannel(guild, LogChannelType.MessageDelete, ev.ChannelID, msg.UserId);
if (logChannel == null) return Result.Success;
var user = await userCache.GetUserAsync(DiscordSnowflake.New(msg.UserId));
var builder = new EmbedBuilder()
.WithTitle("Message deleted")
.WithDescription(msg.Content)
.WithColour(DiscordUtils.Red)
.WithFooter($"ID: {msg.Id}")
.WithTimestamp(ev.ID);
if (user != null)
builder.WithAuthor(user.Tag(), url: null, iconUrl: user.AvatarUrl());
if (msg.Member != null) builder.WithTitle($"Message by {msg.Username} deleted");
string channelMention;
if (!channelCache.GetChannel(ev.ChannelID, out var channel))
channelMention = $"<#{msg.ChannelId}>";
else if (channel.Type is ChannelType.AnnouncementThread or ChannelType.PrivateThread
or ChannelType.PublicThread)
channelMention =
$"<#{channel.ParentID.Value}>\nID: {channel.ParentID.Value}\n\nThread: {channel.Name} (<#{channel.ID}>)";
else channelMention = $"<#{channel.ID}>\nID: {channel.ID}";
var userMention = user != null
? $"<@{user.ID}>\n{user.Tag()}\nID: {user.ID}"
: $"<@{msg.UserId}>\nID: {msg.UserId}";
builder.AddField("Channel", channelMention, true);
builder.AddField(msg.System != null ? "Linked Discord account" : "Sender", userMention, true);
if (msg is { System: not null, Member: not null })
{
builder.AddField("\u200b", "**PluralKit information**", false);
builder.AddField("System ID", msg.System, true);
builder.AddField("Member ID", msg.Member, true);
}
await webhookExecutor.QueueLogAsync(logChannel.Value, builder.Build().GetOrThrow());
return Result.Success;
}
}