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Comments (3)

negasus avatar negasus commented on September 17, 2024

Telegram Bot can work with https://core.telegram.org/bots/api#setwebhook
If your labmda can wake up by webhook, you can use this approach, i think

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negasus avatar negasus commented on September 17, 2024

I make function bot.ProcessUpdate public. You can use this func for manually process updates.

Example lambda for Yandex.Cloud Functions

package main

import (
	"context"
	"encoding/json"
	"net/http"
	"os"

	"github.com/go-telegram/bot"
	"github.com/go-telegram/bot/models"
)

func Handler(rw http.ResponseWriter, req *http.Request) {
	b, err := bot.New(os.Getenv("EXAMPLE_TELEGRAM_BOT_TOKEN"), bot.WithDefaultHandler(defaultHandler))
	if err != nil {
		rw.WriteHeader(http.StatusBadRequest)
		return
	}

	update := models.Update{}

	errDecode := json.NewDecoder(req.Body).Decode(&update)
	if errDecode != nil {
		rw.WriteHeader(http.StatusBadRequest)
		return
	}

	b.ProcessUpdate(context.Background(), &update)
}

func defaultHandler(ctx context.Context, b *bot.Bot, update *models.Update) {
	b.SendMessage(ctx, &bot.SendMessageParams{
		ChatID:          update.Message.Chat.ID,
		Text:            "You wrote: " + update.Message.Text,
	})
}

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plandem avatar plandem commented on September 17, 2024

cool! will try soon. Worried a bit about all these signal and other OS stuff in serverless environment

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