void HandleChannelUpdateEvent(DiscordApiData data)
{
Snowflake id = data.GetSnowflake("id").Value;
DiscordChannelType type = (DiscordChannelType)data.GetInteger("type");
Snowflake guildId = data.GetSnowflake("guild_id").Value;
DiscordGuildChannel channel = null;
if (type == DiscordChannelType.GuildText)
{
channel = new DiscordGuildTextChannel(http, data, guildId);
}
else if (type == DiscordChannelType.GuildVoice)
{
channel = new DiscordGuildVoiceChannel(http, data, guildId);
}
else if (type == DiscordChannelType.GuildCategory)
{
channel = new DiscordGuildCategoryChannel(http, data, guildId);
}
if (channel != null)
{
cache.GuildChannels[id] = channel;
OnGuildChannelUpdated?.Invoke(this, new GuildChannelEventArgs(shard, guildId, channel));
}
else
{
log.LogWarning($"Failed to update channel {id} because the type ({type}) doesn't have an implementation!");
}
}
void HandleChannelDeleteEvent(DiscordApiData data)
{
Snowflake id = data.GetSnowflake("id").Value;
DiscordChannelType type = (DiscordChannelType)data.GetInteger("type").Value;
if (type == DiscordChannelType.DirectMessage)
{
// DM channel
DiscordDMChannel dm;
if (cache.DMChannels.TryRemove(id, out MutableDMChannel mutableDM))
{
mutableDM.ClearReferences();
dm = mutableDM.ImmutableEntity;
}
else
{
dm = new DiscordDMChannel(http, data);
}
OnDMChannelRemoved?.Invoke(this, new DMChannelEventArgs(shard, dm));
}
else if (type == DiscordChannelType.GuildText || type == DiscordChannelType.GuildVoice ||
type == DiscordChannelType.GuildCategory)
{
// Guild channel
Snowflake guildId = data.GetSnowflake("guild_id").Value;
DiscordGuildChannel channel;
if (type == DiscordChannelType.GuildText)
{
if (!cache.GuildChannels.TryRemove(id, out channel))
{
channel = new DiscordGuildTextChannel(http, data, guildId);
}
}
else if (type == DiscordChannelType.GuildVoice)
{
if (!cache.GuildChannels.TryRemove(id, out channel))
{
channel = new DiscordGuildVoiceChannel(http, data, guildId);
}
}
else if (type == DiscordChannelType.GuildCategory)
{
if (!cache.GuildChannels.TryRemove(id, out channel))
{
channel = new DiscordGuildCategoryChannel(http, data, guildId);
}
}
else
{
throw new NotImplementedException($"Guild channel type \"{type}\" has no implementation!");
}
OnGuildChannelRemoved?.Invoke(this, new GuildChannelEventArgs(shard, guildId, channel));
}
}
void HandleChannelCreateEvent(DiscordApiData data)
{
Snowflake id = data.GetSnowflake("id").Value;
DiscordChannelType type = (DiscordChannelType)data.GetInteger("type").Value;
if (type == DiscordChannelType.DirectMessage)
{
// DM channel
DiscordApiData recipientData = data.GetArray("recipients").First();
Snowflake recipientId = recipientData.GetSnowflake("id").Value;
MutableUser recipient;
if (!cache.Users.TryGetValue(recipientId, out recipient))
{
recipient = new MutableUser(recipientId, false, http);
cache.Users[recipientId] = recipient;
}
recipient.Update(recipientData);
MutableDMChannel mutableDMChannel;
if (!cache.DMChannels.TryGetValue(id, out mutableDMChannel))
{
mutableDMChannel = new MutableDMChannel(id, recipient, http);
cache.DMChannels[id] = mutableDMChannel;
}
OnDMChannelCreated?.Invoke(this, new DMChannelEventArgs(shard, mutableDMChannel.ImmutableEntity));
}
else if (type == DiscordChannelType.GuildText || type == DiscordChannelType.GuildVoice)
{
// Guild channel
Snowflake guildId = data.GetSnowflake("guild_id").Value;
DiscordGuildChannel channel;
if (type == DiscordChannelType.GuildText)
{
channel = new DiscordGuildTextChannel(http, data, guildId);
}
else if (type == DiscordChannelType.GuildVoice)
{
channel = new DiscordGuildVoiceChannel(http, data, guildId);
}
else if (type == DiscordChannelType.GuildCategory)
{
channel = new DiscordGuildCategoryChannel(http, data, guildId);
}
else
{
throw new NotImplementedException($"Guild channel type \"{type}\" has no implementation!");
}
cache.GuildChannels[id] = channel;
OnGuildChannelCreated?.Invoke(this, new GuildChannelEventArgs(shard, guildId, channel));
}
}
/// <summary>
/// Using the cache, this will attempt to verify that the current bot can
/// join the selected voice channel. If the cache does not have the required details,
/// this will NOT throw an exception (the handshake timeout will handle invalid permission anyway).
/// </summary>
/// <exception cref="DiscordPermissionException"></exception>
/// <exception cref="InvalidOperationException"></exception>
void AssertUserCanJoin(Snowflake guildId, Snowflake voiceChannelId)
{
DiscordGuildMember member = cache.GetGuildMember(guildId, Shard.UserId.Value);
DiscordGuild guild = cache.GetGuild(guildId);
DiscordGuildVoiceChannel voiceChannel = cache.GetGuildVoiceChannel(voiceChannelId);
if (member != null && guild != null && voiceChannel != null)
{
// Check if the user has permission to connect.
DiscordPermissionHelper.AssertPermission(DiscordPermission.Connect, member, guild, voiceChannel);
// Check if the voice channel has room
bool channelHasRoom = false;
if (voiceChannel.UserLimit == 0)
{
channelHasRoom = true;
}
else if (DiscordPermissionHelper.HasPermission(DiscordPermission.Administrator, member, guild, voiceChannel))
{
channelHasRoom = true;
}
else
{
IReadOnlyList <Snowflake> usersInChannel = Shard.Voice.GetUsersInVoiceChannel(voiceChannelId);
if (usersInChannel.Count < voiceChannel.UserLimit)
{
channelHasRoom = true;
}
}
if (!channelHasRoom)
{
throw new InvalidOperationException("The voice channel is full, and the current bot " +
"does not have the administrator permission.");
}
}
}
void HandleGuildCreateEvent(DiscordApiData data)
{
Snowflake guildId = data.GetSnowflake("id").Value;
bool wasUnavailable = !cache.IsGuildAvailable(guildId);
// Update guild
MutableGuild mutableGuild;
if (!cache.Guilds.TryGetValue(guildId, out mutableGuild))
{
mutableGuild = new MutableGuild(guildId, http);
cache.Guilds[guildId] = mutableGuild;
}
mutableGuild.Update(data);
// Ensure the cache guildId list contains this guild (it uses a hashset so don't worry about duplicates).
cache.AddGuildId(guildId);
// GUILD_CREATE specifics
// Update metadata
cache.GuildMetadata[guildId] = new DiscordGuildMetadata(data);
// Deserialize members
cache.GuildMembers.Clear(guildId);
IList <DiscordApiData> membersArray = data.GetArray("members");
for (int i = 0; i < membersArray.Count; i++)
{
DiscordApiData memberData = membersArray[i];
DiscordApiData userData = memberData.Get("user");
Snowflake userId = userData.GetSnowflake("id").Value;
MutableUser user;
if (!cache.Users.TryGetValue(userId, out user))
{
user = new MutableUser(userId, false, http);
cache.Users[userId] = user;
}
user.Update(userData);
MutableGuildMember member;
if (!cache.GuildMembers.TryGetValue(guildId, userId, out member))
{
member = new MutableGuildMember(user, guildId, http);
cache.GuildMembers[guildId, userId] = member;
}
member.Update(memberData);
}
// Deserialize channels
cache.ClearGuildChannels(guildId);
IList <DiscordApiData> channelsArray = data.GetArray("channels");
for (int i = 0; i < channelsArray.Count; i++)
{
DiscordApiData channelData = channelsArray[i];
DiscordChannelType channelType = (DiscordChannelType)channelData.GetInteger("type");
DiscordGuildChannel channel = null;
if (channelType == DiscordChannelType.GuildText)
{
channel = new DiscordGuildTextChannel(http, channelData, guildId);
}
else if (channelType == DiscordChannelType.GuildVoice)
{
channel = new DiscordGuildVoiceChannel(http, channelData, guildId);
}
else if (channelType == DiscordChannelType.GuildCategory)
{
channel = new DiscordGuildCategoryChannel(http, channelData, guildId);
}
if (channel != null)
{
cache.AddGuildChannel(channel);
}
}
// Deserialize voice states
cache.GuildVoiceStates.Clear(guildId);
IList <DiscordApiData> voiceStatesArray = data.GetArray("voice_states");
for (int i = 0; i < voiceStatesArray.Count; i++)
{
DiscordVoiceState state = new DiscordVoiceState(guildId, voiceStatesArray[i]);
UpdateMemberVoiceState(state);
}
// Deserialize presences
cache.GuildPresences.Clear(guildId);
IList <DiscordApiData> presencesArray = data.GetArray("presences");
for (int i = 0; i < presencesArray.Count; i++)
{
// Presence's in GUILD_CREATE do not contain full user objects,
// so don't attempt to update them here.
DiscordApiData presenceData = presencesArray[i];
Snowflake userId = presenceData.LocateSnowflake("user.id").Value;
cache.GuildPresences[guildId, userId] = new DiscordUserPresence(userId, presenceData);
}
// Mark the guild as available
cache.SetGuildAvailability(guildId, true);
// Fire event
if (wasUnavailable)
{
OnGuildAvailable?.Invoke(this, new GuildEventArgs(shard, mutableGuild.ImmutableEntity));
}
else
{
OnGuildCreated?.Invoke(this, new GuildEventArgs(shard, mutableGuild.ImmutableEntity));
}
}