public IEnumerable <IUserMessage> GetMessages(IMessageChannel channel, TimeSpan period)
{
var timestamp = DateTime.UtcNow;
ulong lastId = 0;
var messages = channel.GetMessagesAsync().Flatten();
var enumerator = messages.GetAsyncEnumerator();
var isEmpty = true;
do
{
while (enumerator.MoveNextAsync().Result)
{
isEmpty = false;
lastId = enumerator.Current.Id;
if (enumerator.Current.Timestamp.UtcDateTime < timestamp)
{
timestamp = enumerator.Current.Timestamp.UtcDateTime;
}
if (enumerator.Current is IUserMessage userMessage)
{
yield return(userMessage);
}
}
Console.WriteLine(timestamp);
enumerator = channel.GetMessagesAsync(lastId, Direction.Before).Flatten().GetAsyncEnumerator();
} while (!isEmpty && timestamp.Add(period) > DateTime.UtcNow);
}
private async Task PurgeUserMessages(SocketUser user, IMessageChannel channel, int limit = -1)
{
List <IMessage> to_delete = new List <IMessage>();
List <IMessage> messages = new List <IMessage>(await channel.GetMessagesAsync(50).FlattenAsync());
while (messages.Count != 0 && (limit == -1 || to_delete.Count < limit))
{
foreach (IMessage message in messages)
{
if (message.Author.Id == user.Id)
{
to_delete.Add(message);
if (to_delete.Count >= limit)
{
break;
}
}
}
messages = new List <IMessage>(await channel.GetMessagesAsync(messages[messages.Count - 1], Direction.Before, 50).FlattenAsync());
}
foreach (IMessage message in to_delete)
{
await channel.DeleteMessageAsync(message.Id);
}
}
public static async Task <IMessage[]> DownloadAllMessagesAsync(IMessageChannel channel, int limit = 0)
{
List <IMessage> messages = new List <IMessage>();
if (channel is null)
{
return(messages.ToArray());
}
IEnumerable <IMessage> next_messages = await channel.GetMessagesAsync().FlattenAsync();
while (next_messages.Count() > 0 && (limit <= 0 || messages.Count() < limit))
{
if (next_messages.Count() > 0)
{
messages.AddRange(next_messages);
}
if (messages.Count() > 0)
{
next_messages = await channel.GetMessagesAsync(messages.Last(), Direction.Before).FlattenAsync();
}
}
messages.Reverse();
if (limit <= 0)
{
return(messages.ToArray());
}
else
{
return(messages.Take(limit).ToArray());
}
}
private static async Task <IAsyncEnumerable <IMessage> > ScrapeChannel([NotNull] IMessageChannel channel, IMessage start = null)
{
//If start message is not set then get the latest message in the channel now
if (start == null)
{
start = (await channel.GetMessagesAsync(1).FlattenAsync()).SingleOrDefault();
}
//If message is still null that means we failed to get a start message (no messages in channel?)
if (start == null)
{
return(new EmptyAsyncEnumerable <IMessage>());
}
return(new PagedAsyncEnumerable <IReadOnlyList <IMessage>, IMessage>(
async page => {
//Add a slight delay between fetching pages so we don't hammer discord too hard
await Task.Delay(150);
var startMessage = start;
if (page != null)
{
startMessage = page.LastOrDefault();
}
if (startMessage == null)
{
return Array.Empty <IMessage>();
}
return (await channel.GetMessagesAsync(startMessage, Direction.Before, 99).FlattenAsync()).OrderByDescending(a => a.CreatedAt).ToArray();
},
page => page.GetEnumerator()
));
}
private async Task <RetrieveEntityResult <Task <long> > > CountUserMessagesAsync(IMessageChannel channel, IUser user)
{
long sum = 0;
try
{
var latestMessage = (await channel.GetMessagesAsync(1).FlattenAsync()).FirstOrDefault();
if (latestMessage is null)
{
return(RetrieveEntityResult <Task <long> > .FromError("No messages in channel."));
}
// We'll explicitly include the latest message, since it'd get ignored otherwise
if (latestMessage.Author.Id == user.Id)
{
sum += 1;
}
while (true)
{
var channelMessages = channel.GetMessagesAsync(latestMessage, Direction.Before);
var processedBatches = 0;
await foreach (var channelMessageBatch in channelMessages)
{
if (channelMessageBatch.Count == 0)
{
continue;
}
foreach (var channelMessage in channelMessageBatch)
{
latestMessage = channelMessage;
if (latestMessage.Author.Id == user.Id)
{
sum += 1;
}
}
processedBatches += 1;
}
if (processedBatches == 0)
{
break;
}
}
}
catch (HttpException hex) when(hex.WasCausedByMissingPermission())
{
return(RetrieveEntityResult <Task <long> > .FromError("No permissions to read the channel."));
}
catch (Exception ex)
{
return(RetrieveEntityResult <Task <long> > .FromError(ex));
}
return(Task.FromResult(sum));
}
public async Task AppendAroundAsync(IMessageChannel channel, ulong messageID, int limit = 50)
{
limit /= 2;
var messages = (await channel.GetMessagesAsync(messageID, Direction.After, limit).FlattenAsync()).ToList();
messages.AddRange(await channel.GetMessagesAsync(messageID, Direction.Before, limit).FlattenAsync());
foreach (var message in messages)
{
Data.TryAdd(message.Id, message);
}
}
public async Task <List <IBufferedMessage> > GetLatestMessagesAsync(int limit = 100)
{
List <IBufferedMessage> result = new List <IBufferedMessage>();
var enumerator = _channel.GetMessagesAsync(limit);
await enumerator.ForEachAsync(messages =>
{
foreach (var message in messages)
{
result.Add(new DiscordMessage(message));
}
});
return(result);
}
/**
* ClearMessages
* Clears [num] number of messages from the current text channel.
*
* @param guild
* @param channel
* @param num
*/
public async Task ClearMessagesAsync(IGuild guild, IMessageChannel channel, IUser user, int num)
{
// Check usage case.
if (num == 0) // Check if Delete is 0, int cannot be null.
{
Log("You need to specify the amount | !clear (amount) | Replace (amount) with anything", (int)E_LogOutput.Reply);
return;
}
// Check permissions.
var GuildUser = await guild.GetUserAsync(user.Id);
if (!GuildUser.GetPermissions(channel as ITextChannel).ManageMessages)
{
Log("You do not have enough permissions to manage messages", (int)E_LogOutput.Reply);
return;
}
// Delete.
var messages = await channel.GetMessagesAsync((int)num + 1).Flatten();
await channel.DeleteMessagesAsync(messages);
// Reply with status.
Log($"{user.Username} deleted {num} messages", (int)E_LogOutput.Reply);
}
/// <summary>
/// Méthode de prise en charge de la commande clear
/// </summary>
/// <param name="guild"></param>
/// <param name="channel"></param>
/// <param name="n"></param>
/// <returns></returns>
public async void ClearMessagesAsync(IGuild guild, IMessageChannel channel, IUser user, int n)
{
var eb = new EmbedBuilder();
eb.WithTitle("Clear command")
.WithDescription("Supprime [n] messages du channel courrant")
.AddField("Usage", "!clear [n]")
.AddField("Require", "Permission de gestion des messages");
// Vérification des paramètres
if (n == 0)
{
Reply("", eb);
return;
}
// Vérifications des permissions
var guildUser = await guild.GetUserAsync(user.Id);
if (!guildUser.GetPermissions(channel as ITextChannel).ManageChannel)
{
Reply($"{user.Mention} Vous n'avez pas les permissions pour la gestion des messages");
Reply("", eb);
return;
}
// Suppression
var messages = await channel.GetMessagesAsync(n + 1).FlattenAsync();
await(channel as SocketTextChannel).DeleteMessagesAsync(messages);
Reply($"{user.Mention} Suppression des messages ...");
}
public async Task DeleteMessages(IGuildUser user, IMessageChannel channel = null)
{
System.Collections.Generic.IEnumerable <IMessage> msgs = null;
List <IMessage> deleteMsgs = new List <IMessage>();
if (channel == null)
{
channel = Context.Channel;
msgs = await Context.Channel.GetMessagesAsync().Flatten();
}
else
{
msgs = await channel.GetMessagesAsync().Flatten();
}
foreach (var msg in msgs)
{
if (msg.Author == user)
{
deleteMsgs.Add(msg);
}
}
await channel.DeleteMessagesAsync(deleteMsgs);
await new ChangeLog().LogChange($"[{Context.Message.Timestamp}]: {Context.Message.Author.Mention} deleted messages from {user.Nickname} in {MentionUtils.MentionChannel(channel.Id)}.", Context);
}
private static async Task ClearChannelAsync(IMessageChannel messageChannel, ulong botId)
{
await Utility.DeleteMessagesAsync(
messageChannel.GetMessagesAsync( ),
m => m.Author.Id == botId
);
}
private async Task Find(IMessageChannel channel, CommandArguments commandArgs)
{
string response = "meep";
bool found = false;
int count = 0;
guid lastMessageId = 0;
while (true)
{
IEnumerable <IMessage> batch = await channel.GetMessagesAsync(lastMessageId + 1, Direction.After, 100, CacheMode.AllowDownload).FlattenAsync();
if (batch == null || !batch.Any())
{
break;
}
lastMessageId = batch.Last().Id;
count++;
if (batch.FirstOrDefault(m => m?.Content != null && guid.TryParse(this.UserIdRegex.Match(m.Content).Value, out guid id) && guid.TryParse(commandArgs.TrimmedMessage, out guid argId) && id == argId) is IUserMessage message)
{
found = true;
response = $"Found message `{message.Id}` at position `{count}`\n{message.Content}";
break;
}
}
if (!found)
{
response = $"Not found after {count} messages.";
}
await commandArgs.SendReplySafe(response);
}
private async Task <string> Bump(IMessageChannel channel, guid authorId)
{
guid lastMessageId = 0;
while (true)
{
IEnumerable <IMessage> batch = await channel.GetMessagesAsync(lastMessageId + 1, Direction.After, 100, CacheMode.AllowDownload).FlattenAsync();
if (batch == null || !batch.Any())
{
break;
}
lastMessageId = batch.Last().Id;
IMessage message = batch.FirstOrDefault(m => m.Content != null && guid.TryParse(this.UserIdRegex.Match(m.Content).Value, out guid id) && id == authorId);
if (message != null)
{
TimeSpan diff = DateTime.UtcNow - Utils.GetTimeFromId(message.Id);
if (diff < TimeSpan.FromDays(this.BumpDays))
{
return($"Gotta wait {Utils.GetDurationString(TimeSpan.FromDays(this.BumpDays) - diff).Replace("for", "another")}");
}
await channel.SendMessageAsync(message.Content, embed : message.Embeds.First() as Embed);
await message.DeleteAsync();
return("Bump'd!");
}
}
return("Nothing to bump into...");
}
private static async Task CleanChannel(IMessageChannel channel, TimeSpan limit)
{
await foreach (var page in channel.GetMessagesAsync())
{
foreach (var message in page)
{
if (message.Id == 835621994753294456)
{
continue;
}
if (DateTimeOffset.UtcNow - message.Timestamp <= limit)
{
continue;
}
try
{
await message.DeleteAsync();
Log.Information("Message deleted in channel {ChannelId}", channel.Id);
}
catch (Exception e)
{
Log.Error(e, "Failed to delete message from channel {ChannelId} in KeepClean!", channel.Id);
}
await Task.Delay(1000);
}
}
}
public async Task ArchiveCommand(IMessageChannel Channel, int Amount = 9000)
{
if (Amount >= 10000)
{
await ReplyAsync("Amount must by less than 9000!");
return;
}
var listOfMessages = new List <IMessage>(await Channel.GetMessagesAsync(Amount).Flatten());
List <ArchiveModel> list = new List <ArchiveModel>(listOfMessages.Capacity);
foreach (var message in listOfMessages)
{
list.Add(new ArchiveModel
{
Author = message.Author.Username,
Message = message.Content,
Timestamp = message.Timestamp,
});
}
var jsonSettings = new JsonSerializerSettings {
NullValueHandling = NullValueHandling.Ignore
};
var json = JsonConvert.SerializeObject(list, Formatting.Indented, jsonSettings);
await(await Context.User.GetOrCreateDMChannelAsync()).SendFileAsync(GenerateStreamFromString(json), $"{Channel.Name}.json");
await ReplyAsync($"{Channel.Name}'s Archive has been sent to your DM.");
}
private static async Task <(IUserMessage, IEmbed)> FindAnnouncement(IMessageChannel channel, ulong eventId)
{
await foreach (var page in channel.GetMessagesAsync())
{
foreach (var message in page)
{
var restMessage = (IUserMessage)message;
var embed = restMessage.Embeds.FirstOrDefault();
if (embed?.Footer == null)
{
continue;
}
if (embed.Footer?.Text != eventId.ToString())
{
continue;
}
return(restMessage, embed);
}
}
return(null, null);
}
public async Task UpdateRaidMessages(SocketGuild guild, IMessageChannel channel, int count = 10)
{
try
{
var channelBinding = raidChannelService.TryGetRaidChannelBindingTo(guild.Id, channel.Id);
var mayContainScheduledRaids = channelBinding != null && channelBinding.AllowScheduledRaids;
var dateTimeFrom = !mayContainScheduledRaids ? DateTime.UtcNow.Date : DateTime.UtcNow.AddDays(-14);
var batchMessages = await channel.GetMessagesAsync(count, options : retryOptions)
.ToList();
var latestMessages = batchMessages.SelectMany(t => t.Where(m => m.CreatedAt.UtcDateTime > dateTimeFrom))
.ToList();
if (!latestMessages.Any())
{
return;
}
logger.LogInformation($"start updating raid messages for channel '{channel.Name}'");
foreach (var message in latestMessages)
{
if (message is IUserMessage userMessage)
{
await FixRaidMessageAfterLoad(guild, userMessage);
}
}
logger.LogInformation($"end updating raid messages for channel '{channel.Name}'");
}
catch (Exception ex)
{
logger.LogError($"Failed to update {guild.Name}/{channel.Name} ({ex.Message})");
}
}
private async Task DeleteMessagesInDirectonAsync(IMessageChannel channel, ulong messageReferenceID, int limit, Direction direction, bool isFast)
{
var messages = await channel.GetMessagesAsync(messageReferenceID, direction, limit).FlattenAsync();
var builder = new EmbedBuilder()
.WithColor(0xC75B39)
.WithDescription($"Видалення {messages.Count()} повідомлень…");
var notification = await channel.SendMessageAsync(embed : builder.Build());
if (isFast)
{
try
{
await((ITextChannel)channel).DeleteMessagesAsync(messages);
}
catch { }
}
else
{
foreach (var msg in messages)
{
await DeleteMessageAsync(msg);
}
}
await DeleteMessageAsync(notification);
}
public async Task <List <Message> > GetChatMessages(string id)
{
IMessageChannel channel = await GetChannel(id);
var messages = await channel.GetMessagesAsync(999999).FlattenAsync();
return(messages.Select(m => ConvertMessage(m)).ToList <Message>());
}
public async Task Clear(ulong id)
{
await Context.Message.DeleteAsync();
IMessageChannel channel = Context.Channel;
List <IMessage> messages = (await channel.GetMessagesAsync(id, Direction.After).Flatten()).ToList();
await channel.DeleteMessagesAsync(messages);
await ReplyAsync($"{messages.Count} messages deleted.");
}
public async Task <bool> CanBotReadTheChannelAsync(IMessageChannel textChannel)
{
try
{
return(await textChannel.GetMessagesAsync(limit : 1).Flatten().AnyAsync());
}
catch
{
return(false);
}
}
public bool CanBotReadTheChannel(IMessageChannel textChannel)
{
try
{
textChannel.GetMessagesAsync(limit: 1).FlattenAsync().Wait();
return(true);
}
catch
{
return(false);
}
}
public async Task ClearMessagesAsync(IGuild guild, IMessageChannel channel, IUser agent, int num)
{
if (num == 0)
{
DiscordReply("You need to specify the amount | !clear (amount) | Replace (amount) with any number above 0");
return;
}
var GuildUser = await guild.GetUserAsync(agent.Id);
if (!GuildUser.GetPermissions(channel as ITextChannel).ManageMessages)
{
return;
}
var messages = await channel.GetMessagesAsync(num + 1).FlattenAsync();
await(channel as ITextChannel).DeleteMessagesAsync(messages);
var ebl = new EmbedBuilder()
{
Description = $"Cleared {num} messages!",
Author = new EmbedAuthorBuilder()
{
IconUrl = $"{agent.GetAvatarUrl()}",
Name = "Messages deleted",
},
Fields =
{
new EmbedFieldBuilder()
{
Name = "Perpetrator",
Value = $"• **Agent:** {agent.Username}#{agent.Discriminator}\n• **Agent ID:** {agent.Id}",
IsInline = false
},
new EmbedFieldBuilder()
{
Name = "Source",
Value = $"• **Server:** {guild.Name}\n• **Channel:** <#{channel.Id}>",
IsInline = false
}
},
Footer = new EmbedFooterBuilder()
{
Text = $"{DateTime.Now}",
},
};
ebl.WithColor(Color.Blue);
await Utils.LogChannel.SendMessageAsync("", false, ebl.Build());
DiscordReply("", ebl);
}
private bool LastMsgIsMine(IMessageChannel channel)
{
var msg = channel.GetMessagesAsync(1);
if (msg.ElementAtAsync(0).Result.ToString().Contains("Now playing"))
{
return(true);
}
else
{
return(false);
}
}
public async Task <bool> CanBotReadTheChannel(IMessageChannel textChannel)
{
try
{
await textChannel.GetMessagesAsync(limit : 1).FlattenAsync();
return(true);
}
catch
{
return(false);
}
}
public async Task AppendAroundAsync(IMessageChannel channel, ulong messageID, int limit = 50)
{
try
{
var messages = await channel.GetMessagesAsync(messageID, Direction.Around, limit).FlattenAsync();
foreach (var message in messages)
{
Data.TryAdd(message.Id, message);
}
}
catch (HttpException ex) when(ex.HttpCode == HttpStatusCode.InternalServerError) /* Internal server error can ignore. */ }
{
}
private static async Task <bool> ShouldSkipReaction(IMessageChannel channel, IMessage message)
{
var messageTimeSpan = DateTime.UtcNow - message.Timestamp.UtcDateTime;
if (messageTimeSpan.TotalHours < MinReactionMessageHours)
{
return(true);
}
var messages = await channel.GetMessagesAsync(message, Direction.After, MessagesAfterCurrentLimit + 1).ToArray();
bool shouldSkip = messages.SelectMany(x => x).Count() < MessagesAfterCurrentLimit;
return(shouldSkip);
}
public static IEnumerable <IMessage> EnumerateMessages(IMessageChannel channel)
{
ulong lastMessageID = 0;
IEnumerable <IMessage> messages;
while (true)
{
try
{
if (lastMessageID == 0)
{
messages = channel.GetMessagesAsync().FlattenAsync().Result.OfType <IMessage>();
}
else
{
messages = channel.GetMessagesAsync(lastMessageID, Direction.Before, 100).FlattenAsync().Result.OfType <IMessage>();
}
}
catch
{
break;
}
if (messages.Count() == 0)
{
break;
}
foreach (var message in messages)
{
yield return(message);
}
lastMessageID = messages.Last().Id;
}
}
private static async IAsyncEnumerable <IMessage> ScrapeChannel(IMessageChannel channel, IMessage?start = null)
{
//If start message is not set then get the latest message in the channel now
start ??= (await channel.GetMessagesAsync(1).FlattenAsync()).SingleOrDefault();
// Keep loading pages until the start message is null
while (start != null)
{
// Add a slight delay between fetching pages so we don't hammer discord too hard
await Task.Delay(150);
// Get the next page of messages
var page = (await channel.GetMessagesAsync(start, Direction.Before, 99).FlattenAsync()).OrderByDescending(a => a.CreatedAt).ToArray();
// Set the start of the next page to the end of this page
start = page.LastOrDefault();
// yield every message in page
foreach (var message in page)
{
yield return(message);
}
}
}
public async Task Clear(int amount)
{
if (amount < 1)
{
await ReplyAsync("cant delete less than one message").DeleteAfterSeconds(15);
return;
}
await Context.Message.DeleteAsync();
IMessageChannel channel = Context.Channel;
List <IMessage> messages = (await channel.GetMessagesAsync(amount).Flatten()).ToList();
messages.RemoveAll(x => x.Timestamp.Day > 14);
await channel.DeleteMessagesAsync(messages);
await ReplyAsync($"{messages.Count} messages deleted.");
}