/// <summary>
/// Attempts to cache the given message.
/// </summary>
/// <param name="message"> The message to cache. </param>
/// <returns>
/// A <see cref="bool"/> indicating whether the message was cached.
/// </returns>
public override bool TryAddMessage(CachedUserMessage message)
{
var cache = _caches.GetOrAdd(message.Channel.Id, (_, capacity) => new CircularBuffer <CachedUserMessage>(capacity), Capacity);
cache.Add(message);
return(true);
}
/// <summary>
/// Attempts to fetch a message from the cache with the specified id, for the specified channel.
/// </summary>
/// <param name="channelId"> The message's channel's id. </param>
/// <param name="messageId"> The id of the message. </param>
/// <param name="message"> The optional cached message. </param>
/// <returns>
/// A <see cref="bool"/> indicating whether the message was present in the cache.
/// </returns>
public override bool TryGetMessage(Snowflake channelId, Snowflake messageId, out CachedUserMessage message)
{
if (!_caches.TryGetValue(channelId, out var cache))
{
message = null;
return(false);
}
message = cache.Find(x => x.Id == messageId);
return(message != null);
}
public Task HandleMessageDeleteAsync(PayloadModel payload)
{
var model = payload.D.ToType <MessageDeleteModel>();
var channel = model.GuildId != null
? GetGuildChannel(model.ChannelId) as ICachedMessageChannel
: GetPrivateChannel(model.ChannelId);
if (channel == null)
{
Log(LogSeverity.Warning, $"Uncached channel in MessageDeleted. Id: {model.ChannelId}");
return(Task.CompletedTask);
}
CachedUserMessage message = null;
_messageCache?.TryRemoveMessage(channel.Id, model.Id, out message);
return(_client._messageDeleted.InvokeAsync(new MessageDeletedEventArgs(channel,
new SnowflakeOptional <CachedUserMessage>(message, model.Id))));
}
public Task HandleMessageDeleteBulkAsync(PayloadModel payload)
{
var model = payload.D.ToType <MessageDeleteBulkModel>();
if (model.GuildId == null)
{
Log(LogSeverity.Error, $"MessageDeleteBulk contains a null guild_id. Channel id: {model.ChannelId}.");
return(Task.CompletedTask);
}
var guild = GetGuild(model.GuildId.Value);
var channel = guild.GetTextChannel(model.ChannelId);
var messages = new SnowflakeOptional <CachedUserMessage> [model.Ids.Length];
for (var i = 0; i < model.Ids.Length; i++)
{
var id = model.Ids[i];
CachedUserMessage message = null;
_messageCache?.TryRemoveMessage(channel.Id, id, out message);
messages[i] = new SnowflakeOptional <CachedUserMessage>(message, id);
}
return(_client._messagesBulkDeleted.InvokeAsync(new MessagesBulkDeletedEventArgs(channel, messages.ReadOnly())));
}
public Task HandleMessageUpdateAsync(PayloadModel payload)
{
var model = payload.D.ToType <MessageModel>();
ICachedMessageChannel channel;
CachedGuild guild = null;
if (model.GuildId != null)
{
guild = GetGuild(model.GuildId.Value);
channel = guild.GetTextChannel(model.ChannelId);
}
else
{
channel = GetPrivateChannel(model.ChannelId);
}
if (channel == null)
{
Log(LogSeverity.Warning, $"Uncached channel in MessageUpdated. Id: {model.ChannelId}");
return(Task.CompletedTask);
}
var message = channel.GetMessage(model.Id);
var before = message?.Clone();
var isWebhook = model.WebhookId.HasValue;
if (message == null)
{
CachedUser author = null;
if (!model.Author.HasValue && !isWebhook)
{
Log(LogSeverity.Warning, "Unknown message and author has no value in MessageUpdated.");
return(Task.CompletedTask);
}
else if (!isWebhook)
{
if (guild != null)
{
if (guild.Members.TryGetValue(model.Author.Value.Id, out var member))
{
author = member;
}
else if (model.Member.HasValue)
{
author = GetOrAddMember(guild, model.Member.Value, model.Author.Value);
}
}
else
{
author = GetUser(model.Author.Value.Id);
}
}
else
{
// TODO?
// (if isWebhook and no author)
return(Task.CompletedTask);
}
if (author == null)
{
// TODO
Log(LogSeverity.Error, "Author is still null in MessageUpdate.");
return(Task.CompletedTask);
}
message = new CachedUserMessage(channel, author, model);
}
else
{
message.Update(model);
}
return(_client._messageUpdated.InvokeAsync(new MessageUpdatedEventArgs(channel,
new SnowflakeOptional <CachedUserMessage>(before, model.Id),
message)));
}
/// <summary>
/// Attempts to remove a message from the cache with the specified id, for the specified channel.
/// </summary>
/// <param name="channelId"> The message's channel's id. </param>
/// <param name="messageId"> The id of the message. </param>
/// <param name="message"> The optional cached message. </param>
/// <returns>
/// A <see cref="bool"/> indicating whether the message was present in the cache.
/// </returns>
public override bool TryRemoveMessage(Snowflake channelId, Snowflake messageId, out CachedUserMessage message)
{
if (!_caches.TryGetValue(channelId, out var cache) || !cache.TryRemove(x => x.Id == messageId, out message))
{
message = null;
return(false);
}
return(true);
}
/// <summary> /// Attempts to remove a message from the cache with the specified id, for the specified channel. /// </summary> /// <param name="channelId"> The id of the message's channel. </param> /// <param name="messageId"> The id of the message. </param> /// <param name="message"> The optional cached message. </param> /// <returns> /// A <see cref="bool"/> indicating whether the message was present in the cache. /// </returns> public abstract bool TryRemoveMessage(Snowflake channelId, Snowflake messageId, out CachedUserMessage message);
/// <summary> /// Attempts to cache the given message. /// </summary> /// <param name="message"> The message to cache. </param> /// <returns> /// A <see cref="bool"/> indicating whether the message was cached. /// </returns> public abstract bool TryAddMessage(CachedUserMessage message);
/// <inheritdoc/>
public override bool TryRemoveMessage(Snowflake channelId, Snowflake messageId, out CachedUserMessage message)
{
message = null;
return(false);
}
public override bool TryAddMessage(CachedUserMessage message) => false;