Moving from long polling to webhook-based updates

cmd/i2_bot/i2_bot.go

@@ -21,6 +21,7 @@ import (
 	"git.wtfteam.pro/fat0troll/i2_bot/lib/users"
 	"git.wtfteam.pro/fat0troll/i2_bot/lib/welcomer"
 	"github.com/go-telegram-bot-api/telegram-bot-api"
+	"net/http"
 	"time"
 )
 
@@ -56,10 +57,16 @@ func main() {
 	c.Cron.Start()
 	c.Log.Info("> Cron started.")
 
-	u := tgbotapi.NewUpdate(0)
+	_, err := c.Bot.SetWebhook(tgbotapi.NewWebhook(c.Cfg.Telegram.WebHookDomain))
-	u.Timeout = 60
+	if err != nil {
+		c.Log.Fatal(err.Error())
+	}
 
-	updates, _ := c.Bot.GetUpdatesChan(u)
+	updates := c.Bot.ListenForWebhook("/" + c.Bot.Token)
+	go http.ListenAndServe(c.Cfg.Telegram.ListenAddress, nil)
+
+	c.Log.Info("Listening on " + c.Cfg.Telegram.ListenAddress)
+	c.Log.Info("Webhook URL: " + c.Cfg.Telegram.WebHookDomain)
 
 	for update := range updates {
 		if update.Message != nil {

config.yml.example

@@ -1,5 +1,7 @@
 telegram_connection:
     api_token: "your-awesome-token"
+    webhook_domain: "https://i2bot.wtfteam.pro"
+    listen_address: "0.0.0.0:5000"
 database_connection:
     host: "localhost"
     port: "3306"

lib/broadcaster/sender.go

@@ -32,7 +32,7 @@ func (b *Broadcaster) AdminBroadcastMessageSend(update *tgbotapi.Update, playerR
 		return "fail"
 	}
 
-	prettyName := profileRaw.Nickname + "(@" + profileRaw.TelegramNickname + ")"
+	prettyName := profileRaw.Nickname + " (@" + profileRaw.TelegramNickname + ")"
 
 	privateChats := []dbmapping.Chat{}
 	switch messageRaw.BroadcastType {

lib/config/config.go

@@ -24,7 +24,9 @@ type DatabaseConnection struct {
 
 // TelegramConnection handles settings for Telegram connection in config.yaml
 type TelegramConnection struct {
-	APIToken string `yaml:"api_token"`
+	APIToken      string `yaml:"api_token"`
+	WebHookDomain string `yaml:"webhook_domain"`
+	ListenAddress string `yaml:"listen_address"`
 }
 
 // SpecialChats handles settings for special chats