public async Task BanRaidRecovery(int minutes = 10, [Remainder] string banToken = "")
{
if (!RaidRecoveryTracker.Exists(Context.Channel.Id))
{
await BetterReplyAsync($"The raid recovery system is not enabled. Use `@{Context.Guild.CurrentUser.Username} rr enable` to enable.");
return;
}
if (minutes == 0 || minutes > 20160)
{
await BetterReplyAsync("Must be between 1 and 20160 (2 weeks). Rarely should this be greater than 10 unless a raid went unnoticed for longer.", minutes.ToString());
return;
}
if (!string.IsNullOrWhiteSpace(banToken))
{
if (RaidRecoveryTracker.ValidateBanToken(Context.Channel.Id, banToken))
{
IUserMessage banningMessage = await BetterReplyAsync(embed : LoadingEmbed("Banning users"), parameters : minutes.ToString());
HashSet <ulong> usersIdsToBan = RaidRecoveryTracker.UsersToBan(Context.Channel.Id);
try {
foreach (ulong user in usersIdsToBan)
{
await Context.Guild.AddBanAsync(user, 1, $"Banned by '{Context.User}' using the bot '{Context.Guild.CurrentUser.Username}' raid recovery system at {DateTime.UtcNow:o}");
}
} catch { }
await banningMessage.ModifyAsync(x => { x.Embed = null; x.Content = $"Banned {usersIdsToBan.Count} users."; });
await LogMessageEmbedAsync("Raid recovery system", $"Banned {usersIdsToBan.Count} users.{Environment.NewLine}{Environment.NewLine}{string.Join(", ", usersIdsToBan)}");
TrackStatistics(banningMessage.Id, parameters: $"token: {banToken}; banned: {string.Join(", ", usersIdsToBan)}");
return;
}
else
{
await BetterReplyAsync("Invalid ban token.");
return;
}
}
IUserMessage message = await BetterReplyAsync(embed : LoadingEmbed("Generating list of users to ban"), parameters : minutes.ToString());
ConcurrentBag <IMessage> messages = await GetMessagesAsync();
IEnumerable <IUser> usersToBan = messages.OrderByDescending(x => x.CreatedAt)
.Where(x => x.CreatedAt > DateTime.UtcNow.AddMinutes(-minutes))
.Where(x => IsSuspected(x.Author))
.GroupBy(x => x.Author)
.Where(x => x.Count() > _MessageThreshold)
.Select(x => x.Key)
.Distinct();
if (usersToBan.Count() > 0)
{
RaidRecoveryTracker.AddUsersToBan(Context.Channel.Id, usersToBan.Select(x => x.Id).ToHashSet());
StringBuilder builder = new StringBuilder();
builder.AppendLine($"The following {usersToBan.Count()} users will be banned.");
builder.AppendLine("```");
foreach (IUser banUser in usersToBan)
{
builder.Append($"{banUser}; ");
}
builder.AppendLine("```");
await message.ModifyAsync(x => { x.Embed = null; x.Content = builder.ToString(); });
await BetterReplyAsync($"**Ban confirmation.** Selected time frame: {minutes.Minutes().Humanize(3)}; Token: `{RaidRecoveryTracker.BanToken(Context.Channel.Id)}`{Environment.NewLine}{Environment.NewLine}" +
$"Type `@{Context.Guild.CurrentUser.Username} rr skip @User` to remove them from the ban list.{Environment.NewLine}" +
$"Type `@{Context.Guild.CurrentUser.Username} rr ban {minutes} {RaidRecoveryTracker.BanToken(Context.Channel.Id)}` to ban the users above.");
}
else
{
await message.ModifyAsync(x => { x.Embed = null; x.Content = $"There are no suspected users to ban from the past {minutes.Minutes().Humanize(3)}."; });
}
}
