new telegram bot
This commit is contained in:
Artem Tsyrulnikov
274
telegram_bot/bot/bot.go
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274
telegram_bot/bot/bot.go
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@@ -0,0 +1,274 @@
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package bot
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import (
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"context"
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"fmt"
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"example.com/m/adapter/backend"
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"github.com/NicoNex/echotron/v3"
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"github.com/rs/zerolog/log"
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)
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func Button(text, data string) echotron.InlineKeyboardButton {
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return echotron.InlineKeyboardButton{
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Text: text,
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CallbackData: data,
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}
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}
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func Row(buttons ...echotron.InlineKeyboardButton) []echotron.InlineKeyboardButton { return buttons }
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func Keyboard(rows ...[]echotron.InlineKeyboardButton) echotron.InlineKeyboardMarkup {
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return echotron.InlineKeyboardMarkup{
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InlineKeyboard: rows,
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}
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}
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type Exec struct {
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handled bool
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transitioned bool
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}
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type Bot struct {
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echotron.API
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ChatID int64
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exec *Exec
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CurrentState State
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Session *Session
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LastMessageID int // ID последнего сообщения с inline кнопками
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DefaultStateFactory func() State
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Backend *backend.Client
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GlobalCallbackRouter func(callbackData string) State // Роутер для глобальных callbacks из уведомлений
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}
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func NewBot(
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chatID int64,
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token string,
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defaultStateFactory func() State,
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backendClient *backend.Client,
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globalCallbackRouter func(string) State,
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) *Bot {
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bot := &Bot{
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ChatID: chatID,
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API: echotron.NewAPI(token),
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Session: &Session{},
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DefaultStateFactory: defaultStateFactory,
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Backend: backendClient,
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GlobalCallbackRouter: globalCallbackRouter,
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}
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return bot
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}
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func (b *Bot) SetState(s State, mode RenderMode) {
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log.Info().
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Int64("chat_id", b.ChatID).
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Str("from_state", fmt.Sprintf("%T", b.CurrentState)).
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Str("to_state", fmt.Sprintf("%T", s)).
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Str("mode", fmt.Sprintf("%v", mode)).
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Msg("State transition")
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b.CurrentState = s
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b.exec.transitioned = true
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b.exec.handled = true
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s.Enter(b, mode)
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}
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//func (b *Bot) RemoveLastKeyboard() {
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// if b.LastMessageID != 0 {
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// emptyKeyboard := Keyboard() // Пустая клавиатура
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// _, err := b.EditMessageReplyMarkup(
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// echotron.NewMessageID(b.ChatID, b.LastMessageID),
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// &echotron.MessageReplyMarkupOptions{ReplyMarkup: emptyKeyboard},
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// )
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// if err != nil {
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// log.Error().Err(err).Msg("RemoveLastKeyboard: b.EditMessageReplyMarkup")
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// }
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// }
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//}
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func (b *Bot) Render(text string, keyboard echotron.InlineKeyboardMarkup, mode RenderMode) {
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if mode == EditMessage {
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b.Edit(text, keyboard)
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} else {
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b.SendNew(text, keyboard)
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}
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}
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func (b *Bot) SendNew(text string, keyboard echotron.InlineKeyboardMarkup) {
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// Удаляем кнопки у предыдущего сообщения перед отправкой нового
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if b.LastMessageID != 0 {
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b.cleanupKeyboard(b.LastMessageID)
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}
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res, err := b.SendMessage(text, b.ChatID, &echotron.MessageOptions{
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ReplyMarkup: keyboard,
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ParseMode: echotron.HTML,
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})
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b.exec.handled = true
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if err != nil {
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log.Error().Err(err).Msg("SendMessage failed")
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return
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}
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if res.Result != nil {
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b.LastMessageID = res.Result.ID
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}
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}
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func (b *Bot) Edit(text string, keyboard echotron.InlineKeyboardMarkup) {
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if b.LastMessageID != 0 {
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_, err := b.EditMessageText(
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text,
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echotron.NewMessageID(b.ChatID, b.LastMessageID),
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&echotron.MessageTextOptions{
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ReplyMarkup: keyboard,
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ParseMode: echotron.HTML,
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},
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)
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if err != nil {
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log.Error().Err(err).Msg("EditMessageText")
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}
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} else {
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b.SendNew(text, keyboard)
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}
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b.exec.handled = true
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}
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func (b *Bot) SendMessageWithURLButton(text, buttonText, url string) {
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keyboard := echotron.InlineKeyboardMarkup{
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InlineKeyboard: [][]echotron.InlineKeyboardButton{
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{
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{
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Text: buttonText,
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URL: url,
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},
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},
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},
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}
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res, err := b.SendMessage(text, b.ChatID, &echotron.MessageOptions{
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ReplyMarkup: keyboard,
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})
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if err != nil {
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log.Error().Err(err).Msg("SendMessageWithURLButton")
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}
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b.exec.handled = true
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if err == nil && res.Result != nil {
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b.LastMessageID = res.Result.ID
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}
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}
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func (b *Bot) Update(u *echotron.Update) {
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log.Info().
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Int64("chat_id", b.ChatID).
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Str("current_state", fmt.Sprintf("%T", b.CurrentState)).
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Msg("Update received")
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// Обрабатываем системные события (добавление в канал, подписки и т.д.)
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if u.ChatJoinRequest != nil || u.ChatMember != nil || u.MyChatMember != nil {
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go func() {
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ctx := context.Background()
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err := b.Backend.ForwardTelegramUpdate(ctx, u)
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if err != nil {
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log.Error().Err(err).Msg("Failed to forward system event to backend")
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return
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}
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log.Info().Msg("System event forwarded to backend")
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}()
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// Системные события не требуют ответа бота - выходим
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return
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}
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// Игнорируем все события не из личных чатов (кроме уже обработанных системных)
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var chatType string
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switch {
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case u.Message != nil:
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chatType = u.Message.Chat.Type
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case u.EditedMessage != nil:
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chatType = u.EditedMessage.Chat.Type
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case u.ChannelPost != nil:
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chatType = u.ChannelPost.Chat.Type
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case u.EditedChannelPost != nil:
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chatType = u.EditedChannelPost.Chat.Type
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case u.CallbackQuery != nil && u.CallbackQuery.Message != nil:
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chatType = u.CallbackQuery.Message.Chat.Type
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}
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if chatType != "" && chatType != "private" {
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log.Debug().Str("chat_type", chatType).Msg("Ignoring event from non-private chat")
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return
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}
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exec := &Exec{}
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b.exec = exec
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defer func() { b.exec = nil }()
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if b.CurrentState == nil && b.DefaultStateFactory != nil {
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b.CurrentState = b.DefaultStateFactory()
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}
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if u.Message != nil && u.Message.Text == "/start" {
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if b.DefaultStateFactory != nil {
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b.SetState(b.DefaultStateFactory(), NewMessage)
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}
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return
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}
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if u.CallbackQuery != nil {
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b.cleanupCallbackUI(u)
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if b.GlobalCallbackRouter != nil && u.CallbackQuery.Data != "" {
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if newState := b.GlobalCallbackRouter(u.CallbackQuery.Data); newState != nil {
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b.SetState(newState, NewMessage)
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return
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}
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}
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log.Info().Msg("Handling callback")
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b.CurrentState.HandleCallback(b, u)
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} else if u.Message != nil {
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log.Info().Msg("Handling message")
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b.CurrentState.HandleMessage(b, u)
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}
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if !exec.handled && !exec.transitioned {
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log.Info().Msg("Common handler")
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b.CurrentState.Handle(b, u)
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}
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if !exec.handled && !exec.transitioned {
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log.Info().Msg("Default feedback")
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b.SetState(b.DefaultStateFactory(), NewMessage)
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}
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}
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func (b *Bot) cleanupKeyboard(messageID int) {
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emptyKeyboard := Keyboard()
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_, err := b.EditMessageReplyMarkup(
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echotron.NewMessageID(b.ChatID, messageID),
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&echotron.MessageReplyMarkupOptions{ReplyMarkup: emptyKeyboard},
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)
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if err != nil {
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log.Error().Err(err).Int("message_id", messageID).Msg("Failed to remove keyboard")
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}
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}
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func (b *Bot) cleanupCallbackUI(u *echotron.Update) {
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_, err := b.AnswerCallbackQuery(u.CallbackQuery.ID, nil)
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if err != nil {
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log.Error().Err(err).Msg("b.AnswerCallbackQuery error")
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}
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if u.CallbackQuery.Message != nil {
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callbackMessageID := u.CallbackQuery.Message.ID
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if b.LastMessageID == callbackMessageID {
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return
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}
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b.cleanupKeyboard(callbackMessageID)
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}
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}
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22
telegram_bot/bot/state.go
Normal file
22
telegram_bot/bot/state.go
Normal file
@@ -0,0 +1,22 @@
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package bot
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import "github.com/NicoNex/echotron/v3"
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type RenderMode int
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const (
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NewMessage RenderMode = iota
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EditMessage
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)
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type State interface {
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Enter(*Bot, RenderMode)
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HandleCallback(*Bot, *echotron.Update)
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HandleMessage(*Bot, *echotron.Update)
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Handle(*Bot, *echotron.Update)
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}
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type Session struct {
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UserName string
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JWT string
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}
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Reference in New Issue
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