From 2f0b35e3c25bc4394f3288e1baa77d250cb510ed Mon Sep 17 00:00:00 2001 From: Jordan Date: Thu, 10 Feb 2022 19:10:54 -0700 Subject: misc: go mod vendor --- vendor/github.com/bwmarrin/discordgo/state.go | 1104 +++++++++++++++++++++++++ 1 file changed, 1104 insertions(+) create mode 100644 vendor/github.com/bwmarrin/discordgo/state.go (limited to 'vendor/github.com/bwmarrin/discordgo/state.go') diff --git a/vendor/github.com/bwmarrin/discordgo/state.go b/vendor/github.com/bwmarrin/discordgo/state.go new file mode 100644 index 0000000..2eeabd8 --- /dev/null +++ b/vendor/github.com/bwmarrin/discordgo/state.go @@ -0,0 +1,1104 @@ +// Discordgo - Discord bindings for Go +// Available at https://github.com/bwmarrin/discordgo + +// Copyright 2015-2016 Bruce Marriner . All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// This file contains code related to state tracking. If enabled, state +// tracking will capture the initial READY packet and many other websocket +// events and maintain an in-memory state of of guilds, channels, users, and +// so forth. This information can be accessed through the Session.State struct. + +package discordgo + +import ( + "errors" + "sort" + "sync" +) + +// ErrNilState is returned when the state is nil. +var ErrNilState = errors.New("state not instantiated, please use discordgo.New() or assign Session.State") + +// ErrStateNotFound is returned when the state cache +// requested is not found +var ErrStateNotFound = errors.New("state cache not found") + +// ErrMessageIncompletePermissions is returned when the message +// requested for permissions does not contain enough data to +// generate the permissions. +var ErrMessageIncompletePermissions = errors.New("message incomplete, unable to determine permissions") + +// A State contains the current known state. +// As discord sends this in a READY blob, it seems reasonable to simply +// use that struct as the data store. +type State struct { + sync.RWMutex + Ready + + // MaxMessageCount represents how many messages per channel the state will store. + MaxMessageCount int + TrackChannels bool + TrackEmojis bool + TrackMembers bool + TrackRoles bool + TrackVoice bool + TrackPresences bool + + guildMap map[string]*Guild + channelMap map[string]*Channel + memberMap map[string]map[string]*Member +} + +// NewState creates an empty state. +func NewState() *State { + return &State{ + Ready: Ready{ + PrivateChannels: []*Channel{}, + Guilds: []*Guild{}, + }, + TrackChannels: true, + TrackEmojis: true, + TrackMembers: true, + TrackRoles: true, + TrackVoice: true, + TrackPresences: true, + guildMap: make(map[string]*Guild), + channelMap: make(map[string]*Channel), + memberMap: make(map[string]map[string]*Member), + } +} + +func (s *State) createMemberMap(guild *Guild) { + members := make(map[string]*Member) + for _, m := range guild.Members { + members[m.User.ID] = m + } + s.memberMap[guild.ID] = members +} + +// GuildAdd adds a guild to the current world state, or +// updates it if it already exists. +func (s *State) GuildAdd(guild *Guild) error { + if s == nil { + return ErrNilState + } + + s.Lock() + defer s.Unlock() + + // Update the channels to point to the right guild, adding them to the channelMap as we go + for _, c := range guild.Channels { + s.channelMap[c.ID] = c + } + + // If this guild contains a new member slice, we must regenerate the member map so the pointers stay valid + if guild.Members != nil { + s.createMemberMap(guild) + } else if _, ok := s.memberMap[guild.ID]; !ok { + // Even if we have no new member slice, we still initialize the member map for this guild if it doesn't exist + s.memberMap[guild.ID] = make(map[string]*Member) + } + + if g, ok := s.guildMap[guild.ID]; ok { + // We are about to replace `g` in the state with `guild`, but first we need to + // make sure we preserve any fields that the `guild` doesn't contain from `g`. + if guild.MemberCount == 0 { + guild.MemberCount = g.MemberCount + } + if guild.Roles == nil { + guild.Roles = g.Roles + } + if guild.Emojis == nil { + guild.Emojis = g.Emojis + } + if guild.Members == nil { + guild.Members = g.Members + } + if guild.Presences == nil { + guild.Presences = g.Presences + } + if guild.Channels == nil { + guild.Channels = g.Channels + } + if guild.VoiceStates == nil { + guild.VoiceStates = g.VoiceStates + } + *g = *guild + return nil + } + + s.Guilds = append(s.Guilds, guild) + s.guildMap[guild.ID] = guild + + return nil +} + +// GuildRemove removes a guild from current world state. +func (s *State) GuildRemove(guild *Guild) error { + if s == nil { + return ErrNilState + } + + _, err := s.Guild(guild.ID) + if err != nil { + return err + } + + s.Lock() + defer s.Unlock() + + delete(s.guildMap, guild.ID) + + for i, g := range s.Guilds { + if g.ID == guild.ID { + s.Guilds = append(s.Guilds[:i], s.Guilds[i+1:]...) + return nil + } + } + + return nil +} + +// Guild gets a guild by ID. +// Useful for querying if @me is in a guild: +// _, err := discordgo.Session.State.Guild(guildID) +// isInGuild := err == nil +func (s *State) Guild(guildID string) (*Guild, error) { + if s == nil { + return nil, ErrNilState + } + + s.RLock() + defer s.RUnlock() + + if g, ok := s.guildMap[guildID]; ok { + return g, nil + } + + return nil, ErrStateNotFound +} + +// PresenceAdd adds a presence to the current world state, or +// updates it if it already exists. +func (s *State) PresenceAdd(guildID string, presence *Presence) error { + if s == nil { + return ErrNilState + } + + guild, err := s.Guild(guildID) + if err != nil { + return err + } + + s.Lock() + defer s.Unlock() + + for i, p := range guild.Presences { + if p.User.ID == presence.User.ID { + //guild.Presences[i] = presence + + //Update status + guild.Presences[i].Activities = presence.Activities + if presence.Status != "" { + guild.Presences[i].Status = presence.Status + } + + //Update the optionally sent user information + //ID Is a mandatory field so you should not need to check if it is empty + guild.Presences[i].User.ID = presence.User.ID + + if presence.User.Avatar != "" { + guild.Presences[i].User.Avatar = presence.User.Avatar + } + if presence.User.Discriminator != "" { + guild.Presences[i].User.Discriminator = presence.User.Discriminator + } + if presence.User.Email != "" { + guild.Presences[i].User.Email = presence.User.Email + } + if presence.User.Token != "" { + guild.Presences[i].User.Token = presence.User.Token + } + if presence.User.Username != "" { + guild.Presences[i].User.Username = presence.User.Username + } + + return nil + } + } + + guild.Presences = append(guild.Presences, presence) + return nil +} + +// PresenceRemove removes a presence from the current world state. +func (s *State) PresenceRemove(guildID string, presence *Presence) error { + if s == nil { + return ErrNilState + } + + guild, err := s.Guild(guildID) + if err != nil { + return err + } + + s.Lock() + defer s.Unlock() + + for i, p := range guild.Presences { + if p.User.ID == presence.User.ID { + guild.Presences = append(guild.Presences[:i], guild.Presences[i+1:]...) + return nil + } + } + + return ErrStateNotFound +} + +// Presence gets a presence by ID from a guild. +func (s *State) Presence(guildID, userID string) (*Presence, error) { + if s == nil { + return nil, ErrNilState + } + + guild, err := s.Guild(guildID) + if err != nil { + return nil, err + } + + for _, p := range guild.Presences { + if p.User.ID == userID { + return p, nil + } + } + + return nil, ErrStateNotFound +} + +// TODO: Consider moving Guild state update methods onto *Guild. + +// MemberAdd adds a member to the current world state, or +// updates it if it already exists. +func (s *State) MemberAdd(member *Member) error { + if s == nil { + return ErrNilState + } + + guild, err := s.Guild(member.GuildID) + if err != nil { + return err + } + + s.Lock() + defer s.Unlock() + + members, ok := s.memberMap[member.GuildID] + if !ok { + return ErrStateNotFound + } + + m, ok := members[member.User.ID] + if !ok { + members[member.User.ID] = member + guild.Members = append(guild.Members, member) + } else { + // We are about to replace `m` in the state with `member`, but first we need to + // make sure we preserve any fields that the `member` doesn't contain from `m`. + if member.JoinedAt == "" { + member.JoinedAt = m.JoinedAt + } + *m = *member + } + + return nil +} + +// MemberRemove removes a member from current world state. +func (s *State) MemberRemove(member *Member) error { + if s == nil { + return ErrNilState + } + + guild, err := s.Guild(member.GuildID) + if err != nil { + return err + } + + s.Lock() + defer s.Unlock() + + members, ok := s.memberMap[member.GuildID] + if !ok { + return ErrStateNotFound + } + + _, ok = members[member.User.ID] + if !ok { + return ErrStateNotFound + } + delete(members, member.User.ID) + + for i, m := range guild.Members { + if m.User.ID == member.User.ID { + guild.Members = append(guild.Members[:i], guild.Members[i+1:]...) + return nil + } + } + + return ErrStateNotFound +} + +// Member gets a member by ID from a guild. +func (s *State) Member(guildID, userID string) (*Member, error) { + if s == nil { + return nil, ErrNilState + } + + s.RLock() + defer s.RUnlock() + + members, ok := s.memberMap[guildID] + if !ok { + return nil, ErrStateNotFound + } + + m, ok := members[userID] + if ok { + return m, nil + } + + return nil, ErrStateNotFound +} + +// RoleAdd adds a role to the current world state, or +// updates it if it already exists. +func (s *State) RoleAdd(guildID string, role *Role) error { + if s == nil { + return ErrNilState + } + + guild, err := s.Guild(guildID) + if err != nil { + return err + } + + s.Lock() + defer s.Unlock() + + for i, r := range guild.Roles { + if r.ID == role.ID { + guild.Roles[i] = role + return nil + } + } + + guild.Roles = append(guild.Roles, role) + return nil +} + +// RoleRemove removes a role from current world state by ID. +func (s *State) RoleRemove(guildID, roleID string) error { + if s == nil { + return ErrNilState + } + + guild, err := s.Guild(guildID) + if err != nil { + return err + } + + s.Lock() + defer s.Unlock() + + for i, r := range guild.Roles { + if r.ID == roleID { + guild.Roles = append(guild.Roles[:i], guild.Roles[i+1:]...) + return nil + } + } + + return ErrStateNotFound +} + +// Role gets a role by ID from a guild. +func (s *State) Role(guildID, roleID string) (*Role, error) { + if s == nil { + return nil, ErrNilState + } + + guild, err := s.Guild(guildID) + if err != nil { + return nil, err + } + + s.RLock() + defer s.RUnlock() + + for _, r := range guild.Roles { + if r.ID == roleID { + return r, nil + } + } + + return nil, ErrStateNotFound +} + +// ChannelAdd adds a channel to the current world state, or +// updates it if it already exists. +// Channels may exist either as PrivateChannels or inside +// a guild. +func (s *State) ChannelAdd(channel *Channel) error { + if s == nil { + return ErrNilState + } + + s.Lock() + defer s.Unlock() + + // If the channel exists, replace it + if c, ok := s.channelMap[channel.ID]; ok { + if channel.Messages == nil { + channel.Messages = c.Messages + } + if channel.PermissionOverwrites == nil { + channel.PermissionOverwrites = c.PermissionOverwrites + } + + *c = *channel + return nil + } + + if channel.Type == ChannelTypeDM || channel.Type == ChannelTypeGroupDM { + s.PrivateChannels = append(s.PrivateChannels, channel) + } else { + guild, ok := s.guildMap[channel.GuildID] + if !ok { + return ErrStateNotFound + } + + guild.Channels = append(guild.Channels, channel) + } + + s.channelMap[channel.ID] = channel + + return nil +} + +// ChannelRemove removes a channel from current world state. +func (s *State) ChannelRemove(channel *Channel) error { + if s == nil { + return ErrNilState + } + + _, err := s.Channel(channel.ID) + if err != nil { + return err + } + + if channel.Type == ChannelTypeDM || channel.Type == ChannelTypeGroupDM { + s.Lock() + defer s.Unlock() + + for i, c := range s.PrivateChannels { + if c.ID == channel.ID { + s.PrivateChannels = append(s.PrivateChannels[:i], s.PrivateChannels[i+1:]...) + break + } + } + } else { + guild, err := s.Guild(channel.GuildID) + if err != nil { + return err + } + + s.Lock() + defer s.Unlock() + + for i, c := range guild.Channels { + if c.ID == channel.ID { + guild.Channels = append(guild.Channels[:i], guild.Channels[i+1:]...) + break + } + } + } + + delete(s.channelMap, channel.ID) + + return nil +} + +// GuildChannel gets a channel by ID from a guild. +// This method is Deprecated, use Channel(channelID) +func (s *State) GuildChannel(guildID, channelID string) (*Channel, error) { + return s.Channel(channelID) +} + +// PrivateChannel gets a private channel by ID. +// This method is Deprecated, use Channel(channelID) +func (s *State) PrivateChannel(channelID string) (*Channel, error) { + return s.Channel(channelID) +} + +// Channel gets a channel by ID, it will look in all guilds and private channels. +func (s *State) Channel(channelID string) (*Channel, error) { + if s == nil { + return nil, ErrNilState + } + + s.RLock() + defer s.RUnlock() + + if c, ok := s.channelMap[channelID]; ok { + return c, nil + } + + return nil, ErrStateNotFound +} + +// Emoji returns an emoji for a guild and emoji id. +func (s *State) Emoji(guildID, emojiID string) (*Emoji, error) { + if s == nil { + return nil, ErrNilState + } + + guild, err := s.Guild(guildID) + if err != nil { + return nil, err + } + + s.RLock() + defer s.RUnlock() + + for _, e := range guild.Emojis { + if e.ID == emojiID { + return e, nil + } + } + + return nil, ErrStateNotFound +} + +// EmojiAdd adds an emoji to the current world state. +func (s *State) EmojiAdd(guildID string, emoji *Emoji) error { + if s == nil { + return ErrNilState + } + + guild, err := s.Guild(guildID) + if err != nil { + return err + } + + s.Lock() + defer s.Unlock() + + for i, e := range guild.Emojis { + if e.ID == emoji.ID { + guild.Emojis[i] = emoji + return nil + } + } + + guild.Emojis = append(guild.Emojis, emoji) + return nil +} + +// EmojisAdd adds multiple emojis to the world state. +func (s *State) EmojisAdd(guildID string, emojis []*Emoji) error { + for _, e := range emojis { + if err := s.EmojiAdd(guildID, e); err != nil { + return err + } + } + return nil +} + +// MessageAdd adds a message to the current world state, or updates it if it exists. +// If the channel cannot be found, the message is discarded. +// Messages are kept in state up to s.MaxMessageCount per channel. +func (s *State) MessageAdd(message *Message) error { + if s == nil { + return ErrNilState + } + + c, err := s.Channel(message.ChannelID) + if err != nil { + return err + } + + s.Lock() + defer s.Unlock() + + // If the message exists, merge in the new message contents. + for _, m := range c.Messages { + if m.ID == message.ID { + if message.Content != "" { + m.Content = message.Content + } + if message.EditedTimestamp != "" { + m.EditedTimestamp = message.EditedTimestamp + } + if message.Mentions != nil { + m.Mentions = message.Mentions + } + if message.Embeds != nil { + m.Embeds = message.Embeds + } + if message.Attachments != nil { + m.Attachments = message.Attachments + } + if message.Timestamp != "" { + m.Timestamp = message.Timestamp + } + if message.Author != nil { + m.Author = message.Author + } + + return nil + } + } + + c.Messages = append(c.Messages, message) + + if len(c.Messages) > s.MaxMessageCount { + c.Messages = c.Messages[len(c.Messages)-s.MaxMessageCount:] + } + return nil +} + +// MessageRemove removes a message from the world state. +func (s *State) MessageRemove(message *Message) error { + if s == nil { + return ErrNilState + } + + return s.messageRemoveByID(message.ChannelID, message.ID) +} + +// messageRemoveByID removes a message by channelID and messageID from the world state. +func (s *State) messageRemoveByID(channelID, messageID string) error { + c, err := s.Channel(channelID) + if err != nil { + return err + } + + s.Lock() + defer s.Unlock() + + for i, m := range c.Messages { + if m.ID == messageID { + c.Messages = append(c.Messages[:i], c.Messages[i+1:]...) + return nil + } + } + + return ErrStateNotFound +} + +func (s *State) voiceStateUpdate(update *VoiceStateUpdate) error { + guild, err := s.Guild(update.GuildID) + if err != nil { + return err + } + + s.Lock() + defer s.Unlock() + + // Handle Leaving Channel + if update.ChannelID == "" { + for i, state := range guild.VoiceStates { + if state.UserID == update.UserID { + guild.VoiceStates = append(guild.VoiceStates[:i], guild.VoiceStates[i+1:]...) + return nil + } + } + } else { + for i, state := range guild.VoiceStates { + if state.UserID == update.UserID { + guild.VoiceStates[i] = update.VoiceState + return nil + } + } + + guild.VoiceStates = append(guild.VoiceStates, update.VoiceState) + } + + return nil +} + +// VoiceState gets a VoiceState by guild and user ID. +func (s *State) VoiceState(guildID, userID string) (*VoiceState, error) { + if s == nil { + return nil, ErrNilState + } + + guild, err := s.Guild(guildID) + if err != nil { + return nil, err + } + + for _, state := range guild.VoiceStates { + if state.UserID == userID { + return state, nil + } + } + + return nil, ErrStateNotFound +} + +// Message gets a message by channel and message ID. +func (s *State) Message(channelID, messageID string) (*Message, error) { + if s == nil { + return nil, ErrNilState + } + + c, err := s.Channel(channelID) + if err != nil { + return nil, err + } + + s.RLock() + defer s.RUnlock() + + for _, m := range c.Messages { + if m.ID == messageID { + return m, nil + } + } + + return nil, ErrStateNotFound +} + +// OnReady takes a Ready event and updates all internal state. +func (s *State) onReady(se *Session, r *Ready) (err error) { + if s == nil { + return ErrNilState + } + + s.Lock() + defer s.Unlock() + + // We must track at least the current user for Voice, even + // if state is disabled, store the bare essentials. + if !se.StateEnabled { + ready := Ready{ + Version: r.Version, + SessionID: r.SessionID, + User: r.User, + } + + s.Ready = ready + + return nil + } + + s.Ready = *r + + for _, g := range s.Guilds { + s.guildMap[g.ID] = g + s.createMemberMap(g) + + for _, c := range g.Channels { + s.channelMap[c.ID] = c + } + } + + for _, c := range s.PrivateChannels { + s.channelMap[c.ID] = c + } + + return nil +} + +// OnInterface handles all events related to states. +func (s *State) OnInterface(se *Session, i interface{}) (err error) { + if s == nil { + return ErrNilState + } + + r, ok := i.(*Ready) + if ok { + return s.onReady(se, r) + } + + if !se.StateEnabled { + return nil + } + + switch t := i.(type) { + case *GuildCreate: + err = s.GuildAdd(t.Guild) + case *GuildUpdate: + err = s.GuildAdd(t.Guild) + case *GuildDelete: + err = s.GuildRemove(t.Guild) + case *GuildMemberAdd: + // Updates the MemberCount of the guild. + guild, err := s.Guild(t.Member.GuildID) + if err != nil { + return err + } + guild.MemberCount++ + + // Caches member if tracking is enabled. + if s.TrackMembers { + err = s.MemberAdd(t.Member) + } + case *GuildMemberUpdate: + if s.TrackMembers { + err = s.MemberAdd(t.Member) + } + case *GuildMemberRemove: + // Updates the MemberCount of the guild. + guild, err := s.Guild(t.Member.GuildID) + if err != nil { + return err + } + guild.MemberCount-- + + // Removes member from the cache if tracking is enabled. + if s.TrackMembers { + err = s.MemberRemove(t.Member) + } + case *GuildMembersChunk: + if s.TrackMembers { + for i := range t.Members { + t.Members[i].GuildID = t.GuildID + err = s.MemberAdd(t.Members[i]) + } + } + + if s.TrackPresences { + for _, p := range t.Presences { + err = s.PresenceAdd(t.GuildID, p) + } + } + case *GuildRoleCreate: + if s.TrackRoles { + err = s.RoleAdd(t.GuildID, t.Role) + } + case *GuildRoleUpdate: + if s.TrackRoles { + err = s.RoleAdd(t.GuildID, t.Role) + } + case *GuildRoleDelete: + if s.TrackRoles { + err = s.RoleRemove(t.GuildID, t.RoleID) + } + case *GuildEmojisUpdate: + if s.TrackEmojis { + err = s.EmojisAdd(t.GuildID, t.Emojis) + } + case *ChannelCreate: + if s.TrackChannels { + err = s.ChannelAdd(t.Channel) + } + case *ChannelUpdate: + if s.TrackChannels { + err = s.ChannelAdd(t.Channel) + } + case *ChannelDelete: + if s.TrackChannels { + err = s.ChannelRemove(t.Channel) + } + case *MessageCreate: + if s.MaxMessageCount != 0 { + err = s.MessageAdd(t.Message) + } + case *MessageUpdate: + if s.MaxMessageCount != 0 { + var old *Message + old, err = s.Message(t.ChannelID, t.ID) + if err == nil { + oldCopy := *old + t.BeforeUpdate = &oldCopy + } + + err = s.MessageAdd(t.Message) + } + case *MessageDelete: + if s.MaxMessageCount != 0 { + var old *Message + old, err = s.Message(t.ChannelID, t.ID) + if err == nil { + oldCopy := *old + t.BeforeDelete = &oldCopy + } + + err = s.MessageRemove(t.Message) + } + case *MessageDeleteBulk: + if s.MaxMessageCount != 0 { + for _, mID := range t.Messages { + s.messageRemoveByID(t.ChannelID, mID) + } + } + case *VoiceStateUpdate: + if s.TrackVoice { + var old *VoiceState + old, err = s.VoiceState(t.GuildID, t.UserID) + if err == nil { + oldCopy := *old + t.BeforeUpdate = &oldCopy + } + + err = s.voiceStateUpdate(t) + } + case *PresenceUpdate: + if s.TrackPresences { + s.PresenceAdd(t.GuildID, &t.Presence) + } + if s.TrackMembers { + if t.Status == StatusOffline { + return + } + + var m *Member + m, err = s.Member(t.GuildID, t.User.ID) + + if err != nil { + // Member not found; this is a user coming online + m = &Member{ + GuildID: t.GuildID, + User: t.User, + } + } else { + if t.User.Username != "" { + m.User.Username = t.User.Username + } + } + + err = s.MemberAdd(m) + } + + } + + return +} + +// UserChannelPermissions returns the permission of a user in a channel. +// userID : The ID of the user to calculate permissions for. +// channelID : The ID of the channel to calculate permission for. +func (s *State) UserChannelPermissions(userID, channelID string) (apermissions int64, err error) { + if s == nil { + return 0, ErrNilState + } + + channel, err := s.Channel(channelID) + if err != nil { + return + } + + guild, err := s.Guild(channel.GuildID) + if err != nil { + return + } + + member, err := s.Member(guild.ID, userID) + if err != nil { + return + } + + return memberPermissions(guild, channel, userID, member.Roles), nil +} + +// MessagePermissions returns the permissions of the author of the message +// in the channel in which it was sent. +func (s *State) MessagePermissions(message *Message) (apermissions int64, err error) { + if s == nil { + return 0, ErrNilState + } + + if message.Author == nil || message.Member == nil { + return 0, ErrMessageIncompletePermissions + } + + channel, err := s.Channel(message.ChannelID) + if err != nil { + return + } + + guild, err := s.Guild(channel.GuildID) + if err != nil { + return + } + + return memberPermissions(guild, channel, message.Author.ID, message.Member.Roles), nil +} + +// UserColor returns the color of a user in a channel. +// While colors are defined at a Guild level, determining for a channel is more useful in message handlers. +// 0 is returned in cases of error, which is the color of @everyone. +// userID : The ID of the user to calculate the color for. +// channelID : The ID of the channel to calculate the color for. +func (s *State) UserColor(userID, channelID string) int { + if s == nil { + return 0 + } + + channel, err := s.Channel(channelID) + if err != nil { + return 0 + } + + guild, err := s.Guild(channel.GuildID) + if err != nil { + return 0 + } + + member, err := s.Member(guild.ID, userID) + if err != nil { + return 0 + } + + return firstRoleColorColor(guild, member.Roles) +} + +// MessageColor returns the color of the author's name as displayed +// in the client associated with this message. +func (s *State) MessageColor(message *Message) int { + if s == nil { + return 0 + } + + if message.Member == nil || message.Member.Roles == nil { + return 0 + } + + channel, err := s.Channel(message.ChannelID) + if err != nil { + return 0 + } + + guild, err := s.Guild(channel.GuildID) + if err != nil { + return 0 + } + + return firstRoleColorColor(guild, message.Member.Roles) +} + +func firstRoleColorColor(guild *Guild, memberRoles []string) int { + roles := Roles(guild.Roles) + sort.Sort(roles) + + for _, role := range roles { + for _, roleID := range memberRoles { + if role.ID == roleID { + if role.Color != 0 { + return role.Color + } + } + } + } + + for _, role := range roles { + if role.ID == guild.ID { + return role.Color + } + } + + return 0 +} -- cgit v1.2.3-54-g00ecf