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184 lines
3.5 KiB
184 lines
3.5 KiB
package twitchbot
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import "log"
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type EventHandler struct {
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messageHandlers []func(*Bot, *Message)
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}
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type Bot struct {
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client *Client
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host string
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onLogin func(*Bot)
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events EventHandler
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channels []string
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}
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type User struct {
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ID string
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Name string
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}
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type Message struct {
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ID string
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Channel string
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User *User
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Message string
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Bot *Bot
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}
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func ParseMessage(command *Command, bot *Bot) *Message {
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return &Message{
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ID: command.Tags["id"],
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Channel: command.Args[0][1:],
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User: &User{ID: command.Tags["user-id"], Name: command.Tags["display-name"]},
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Message: command.Suffix,
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Bot: bot,
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}
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}
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func NewBot(token string, nick string, channels []string) *Bot {
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client := Client{Token: token, Nick: nick}
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return &Bot{client: &client, host: "irc.chat.twitch.tv:6667", events: EventHandler{}, channels: channels}
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}
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func (message *Message) Reply(msg string) error {
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err := message.Bot.SendMessage(&Message{Message: msg, Channel: message.Channel})
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if err != nil {
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return err
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}
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return nil
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}
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func (message *Message) Delete() error {
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err := message.Bot.DeleteMessage(&Message{ID: message.ID, Channel: message.Channel})
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if err != nil {
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return err
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}
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return nil
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}
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func (message *Message) Ban() error {
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err := message.Bot.BanUser(message.Channel, message.User.Name)
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if err != nil {
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return err
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}
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return nil
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}
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func (event *EventHandler) configure(bot *Bot) {
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bot.client.AddHandler("PRIVMSG", func(command *Command) bool {
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message := ParseMessage(command, bot)
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for _, handler := range event.messageHandlers {
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go handler(bot, message)
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}
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return true
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})
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}
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func (bot *Bot) OnLogin(f func(*Bot)) {
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bot.onLogin = f
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}
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func (bot *Bot) SendMessage(message *Message) error {
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err := bot.client.Send(&Command{Command: "PRIVMSG", Args: []string{"#" + message.Channel}, Suffix: message.Message})
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if err != nil {
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return err
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}
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return nil
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}
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func (bot *Bot) DeleteMessage(message *Message) error {
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err := bot.SendMessage(&Message{Channel: message.Channel, Message: "/delete " + message.ID})
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if err != nil {
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return err
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}
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return nil
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}
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func (bot *Bot) Join(channel string) error {
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err := bot.client.Join("#" + channel)
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if err != nil {
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return err
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}
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return nil
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}
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func (bot *Bot) BanUser(channel string, user string) error {
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err := bot.SendMessage(&Message{Channel: channel, Message: "/ban " + user})
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if err != nil {
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return err
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}
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return nil
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}
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func (bot *Bot) OnMessage(f func(*Bot, *Message)) {
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bot.events.messageHandlers = append(bot.events.messageHandlers, f)
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}
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func (bot *Bot) GetClient() *Client {
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return bot.client
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}
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func (bot *Bot) Run() {
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for {
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err := bot.Start()
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if err != nil {
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log.Printf("Bot error: %s\n", err)
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}
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}
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}
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func (bot *Bot) Start() error {
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err := bot.client.Connect(bot.host)
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if err != nil {
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return err
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}
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defer bot.client.Close()
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err = bot.client.Connect(bot.host)
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if err != nil {
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return err
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}
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err = bot.client.Auth()
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if err != nil {
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return err
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}
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bot.events.configure(bot)
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bot.client.AddHandler("PING", func(command *Command) bool {
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err := bot.client.Send(&Command{Command: "PONG", Suffix: "tmi.twitch.tv"})
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if err != nil {
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return false
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}
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return true
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})
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bot.client.AddHandler("376", func(command *Command) bool {
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err = bot.GetClient().CapReq("twitch.tv/tags twitch.tv/commands")
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if err != nil {
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return false
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}
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for _, channel := range bot.channels {
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err = bot.Join(channel)
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if err != nil {
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return false
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}
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}
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if bot.onLogin != nil {
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bot.onLogin(bot)
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}
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return true
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})
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err = bot.client.Handle()
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if err != nil {
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return err
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}
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return nil
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}
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