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package main |
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import ( |
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"bytes" |
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"fmt" |
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"log" |
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"net/http" |
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"net/url" |
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"os" |
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"os/signal" |
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"strings" |
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"syscall" |
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"time" |
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"gopkg.in/robfig/cron.v2" |
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"github.com/FlameInTheDark/dtbot/bot" |
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"github.com/FlameInTheDark/dtbot/cmd" |
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"github.com/bwmarrin/discordgo" |
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) |
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var ( |
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conf *bot.Config |
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// CmdHandler bot command handler. |
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CmdHandler *bot.CommandHandler |
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// Sessions bot session manager |
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Sessions *bot.SessionManager |
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botId string |
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youtube *bot.Youtube |
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botMsg *bot.BotMessages |
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dataType *bot.DataType |
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dbWorker *bot.DBWorker |
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guilds *bot.GuildsMap |
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botCron *cron.Cron |
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twitch *bot.Twitch |
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albUpdater *bot.AlbionUpdater |
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blacklist *bot.BlackListStruct |
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messagesCounter int |
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) |
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func main() { |
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botCron = cron.New() |
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conf = bot.LoadConfig() |
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CmdHandler = bot.NewCommandHandler() |
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registerCommands() |
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Sessions = bot.NewSessionManager() |
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youtube = &bot.Youtube{Conf: conf} |
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botMsg = bot.NewMessagesMap() |
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dataType = bot.NewDataType() |
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discord, err := discordgo.New("Bot " + os.Getenv("BOT_TOKEN")) |
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if err != nil { |
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fmt.Println("Create session error, ", err) |
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return |
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} |
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usr, err := discord.User("@me") |
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if err != nil { |
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fmt.Println("Error obtaining account details,", err) |
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return |
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} |
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botId = usr.ID |
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discord.AddHandler(func(discord *discordgo.Session, ready *discordgo.Ready) { |
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_ = discord.UpdateStatus(0, conf.General.Game) |
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guilds := discord.State.Guilds |
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fmt.Println("Ready with", len(guilds), "guilds.") |
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}) |
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err = discord.Open() |
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if err != nil { |
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fmt.Printf("Connection open error: %v", err) |
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return |
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} |
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defer discord.Close() |
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fmt.Println("Bot is now running.") |
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sc := make(chan os.Signal, 1) |
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signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, os.Interrupt) |
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dbWorker = bot.NewDBSession(conf.General.DatabaseName) |
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guilds = dbWorker.InitGuilds(discord, conf) |
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botCron.Start() |
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defer botCron.Stop() |
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defer dbWorker.DBSession.Close() |
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twitch = bot.TwitchInit(discord, conf, dbWorker) |
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albUpdater = bot.AlbionGetUpdater(dbWorker) |
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blacklist = dbWorker.GetBlacklist() |
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go BotUpdater(discord) |
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// Init command handler |
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discord.AddHandler(guildAddHandler) |
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discord.AddHandler(commandHandler) |
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discord.AddHandler(joinHandler) |
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onStart() |
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<-sc |
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} |
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// Handle new users |
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func joinHandler(discord *discordgo.Session, e *discordgo.GuildMemberAdd) { |
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if _, ok := guilds.Guilds[e.GuildID]; !ok { |
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dbWorker.InitNewGuild(e.GuildID, conf, guilds) |
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} else { |
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bot.Greetings(discord, e, guilds.Guilds[e.GuildID]) |
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} |
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} |
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// Handle new guilds |
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func guildAddHandler(discord *discordgo.Session, e *discordgo.GuildCreate) { |
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if _, ok := guilds.Guilds[e.ID]; !ok { |
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dbWorker.InitNewGuild(e.ID, conf, guilds) |
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} |
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emb := bot.NewEmbed(""). |
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Field(conf.GetLocaleLang("bot_joined_title", guilds.Guilds[e.ID].Language), conf.GetLocaleLang("bot_joined_text", guilds.Guilds[e.ID].Language), false) |
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_, _ = discord.ChannelMessageSendEmbed(e.OwnerID, emb.GetEmbed()) |
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} |
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// Handle discord messages |
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func commandHandler(discord *discordgo.Session, message *discordgo.MessageCreate) { |
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if blacklist.CheckGuild(message.GuildID) || blacklist.CheckUser(message.Author.ID) { |
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return |
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} |
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messagesCounter++ |
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user := message.Author |
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if user.ID == botId || user.Bot { |
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return |
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} |
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args := strings.Split(message.Content, " ") |
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name := strings.ToLower(args[0]) |
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command, found := CmdHandler.Get(name) |
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if !found { |
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return |
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} |
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var permission = true |
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var msg string |
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// Checking permissions |
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perm, err := discord.State.UserChannelPermissions(botId, message.ChannelID) |
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if err != nil { |
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msg = fmt.Sprintf("Error whilst getting bot permissions %v\n", err) |
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permission = false |
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} else { |
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if perm&discordgo.PermissionSendMessages != discordgo.PermissionSendMessages || |
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perm&discordgo.PermissionAttachFiles != discordgo.PermissionAttachFiles { |
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msg = "Permissions denied" |
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permission = false |
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} |
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} |
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channel, err := discord.State.Channel(message.ChannelID) |
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if err != nil { |
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fmt.Println("Error getting channel,", err) |
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return |
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} |
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guild, err := discord.State.Guild(channel.GuildID) |
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if err != nil { |
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fmt.Println("Error getting guild,", err) |
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return |
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} |
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if permission { |
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ctx := bot.NewContext( |
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botId, |
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discord, |
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guild, |
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channel, |
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user, |
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message, |
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conf, |
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CmdHandler, |
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Sessions, |
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youtube, |
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botMsg, |
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dataType, |
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dbWorker, |
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guilds, |
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botCron, |
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twitch, |
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albUpdater, |
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blacklist) |
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ctx.Args = args[1:] |
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c := *command |
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c(*ctx) |
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} else { |
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dbWorker.Log("Message", guild.ID, msg) |
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query := []byte(fmt.Sprintf("logs,server=%v module=\"%v\"", guild.ID, "message")) |
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addr := fmt.Sprintf("%v/write?db=%v", conf.Metrics.Address, conf.Metrics.Database) |
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r := bytes.NewReader(query) |
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_, _ = http.Post(addr, "", r) |
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} |
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} |
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// Adds bot commands |
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func registerCommands() { |
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CmdHandler.Register("!r", cmd.RadioCommand) |
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CmdHandler.Register("!w", cmd.WeatherCommand) |
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CmdHandler.Register("!ww", cmd.WeatherWeekCommand) |
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CmdHandler.Register("!t", cmd.TranslateCommand) |
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CmdHandler.Register("!n", cmd.NewsCommand) |
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CmdHandler.Register("!c", cmd.CurrencyCommand) |
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CmdHandler.Register("!y", cmd.YoutubeCommand) |
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CmdHandler.Register("!v", cmd.VoiceCommand) |
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CmdHandler.Register("!b", cmd.BotCommand) |
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CmdHandler.Register("!play", cmd.YoutubeShortCommand) |
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CmdHandler.Register("!d", cmd.DebugCommand) |
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CmdHandler.Register("!p", cmd.PollCommand) |
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CmdHandler.Register("!m", cmd.YandexmapCommand) |
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CmdHandler.Register("!dice", cmd.DiceCommand) |
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CmdHandler.Register("!help", cmd.HelpCommand) |
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CmdHandler.Register("!cron", cmd.CronCommand) |
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CmdHandler.Register("!geoip", cmd.GeoIPCommand) |
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CmdHandler.Register("!twitch", cmd.TwitchCommand) |
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CmdHandler.Register("!greetings", cmd.GreetingsCommand) |
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CmdHandler.Register("!alb", cmd.AlbionCommand) |
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CmdHandler.Register("!slap", cmd.SlapCommand) |
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CmdHandler.Register("!fu", cmd.FUCommand) |
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} |
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214
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// MetricsSender sends metrics to InfluxDB and another services |
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215
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func BotUpdater(d *discordgo.Session) { |
216
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for { |
217
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var vregions = make(map[string]int) |
218
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go twitch.Update() |
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go albUpdater.Update(d, dbWorker, conf) |
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go clearSessions(d, Sessions) |
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// Calculating users count |
222
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usersCount := 0 |
223
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for _, g := range d.State.Guilds { |
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vregions[g.Region] += 1 |
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if !blacklist.CheckGuild(g.ID) { |
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usersCount += g.MemberCount |
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} |
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} |
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// Metrics counters |
230
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queryCounters := []byte(fmt.Sprintf("counters guilds=%d,messages=%d,users=%d,voices=%d", len(d.State.Guilds), messagesCounter, usersCount, Sessions.Count())) |
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addrCounters := fmt.Sprintf("%v/write?db=%v&u=%v&p=%v", |
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conf.Metrics.Address, conf.Metrics.Database, conf.Metrics.User, conf.Metrics.Password) |
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rCounters := bytes.NewReader(queryCounters) |
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_, _ = http.Post(addrCounters, "", rCounters) |
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236
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// Voice region metrics |
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for r, c := range vregions { |
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queryCounters := []byte(fmt.Sprintf("region_%s count=%d", r, c)) |
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addrCounters := fmt.Sprintf("%v/write?db=%v&u=%v&p=%v", |
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conf.Metrics.Address, conf.Metrics.Database, conf.Metrics.User, conf.Metrics.Password) |
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rCounters := bytes.NewReader(queryCounters) |
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_, _ = http.Post(addrCounters, "", rCounters) |
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} |
244
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245
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// Bot lists |
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if conf.DBL.Token != "" { |
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sendDBL(conf.DBL.BotID, conf.DBL.Token, len(d.State.Guilds)) |
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} |
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messagesCounter = 0 |
250
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time.Sleep(time.Minute) |
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} |
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} |
253
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254
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func sendDBL(botID, token string, guilds int) { |
255
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timeout := time.Duration(time.Duration(1) * time.Second) |
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client := &http.Client{ |
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Timeout: time.Duration(timeout), |
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} |
259
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query := url.Values{} |
260
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query.Add("server_count", fmt.Sprintf("%v", guilds)) |
261
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req, _ := http.NewRequest("POST", |
262
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fmt.Sprintf("https://discordbots.org/api/bots/%v/stats", |
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botID), strings.NewReader(query.Encode())) |
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req.Header.Add("Authorization", token) |
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req.Header.Add("Content-Type", "application/x-www-form-urlencoded") |
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_, _ = client.Do(req) |
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} |
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269
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func onStart() { |
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queryCounters := []byte(fmt.Sprintf("starts value=1")) |
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addrCounters := fmt.Sprintf("%v/write?db=%v&u=%v&p=%v", |
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conf.Metrics.Address, conf.Metrics.Database, conf.Metrics.User, conf.Metrics.Password) |
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rCounters := bytes.NewReader(queryCounters) |
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_, _ = http.Post(addrCounters, "", rCounters) |
275
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} |
276
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277
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func clearSessions(d *discordgo.Session, s *bot.SessionManager) { |
278
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gids := s.GetGuilds() |
279
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for _, gid := range gids { |
280
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cs := s.GetByGuild(gid) |
281
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g, gerr := d.Guild(gid) |
282
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if gerr != nil { |
283
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continue |
284
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} |
285
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var ok bool |
286
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for _, vs := range g.VoiceStates { |
287
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if vs.ChannelID == cs.ChannelID { |
288
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if vs.UserID != botId { |
289
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ok = true |
290
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} |
291
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} |
292
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} |
293
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if !ok { |
294
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s.Leave(d, *cs) |
295
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} |
296
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} |
297
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for _,vc := range d.VoiceConnections { |
298
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if _,b := s.GetByChannel(vc.ChannelID); b == false { |
299
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err := vc.Disconnect() |
300
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if err != nil { |
301
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log.Println(err) |
302
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} |
303
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vc.Close() |
304
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} |
305
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} |
306
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} |