/
main.go
49 lines (41 loc) · 1.17 KB
/
main.go
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// Binary gotdecho provides example of Telegram echo bot.
package main
import (
"context"
"fmt"
"os"
"os/signal"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"github.com/gotd/td/telegram"
"github.com/gotd/td/telegram/message"
"github.com/gotd/td/tg"
)
func run(ctx context.Context) error {
logger, _ := zap.NewDevelopment(zap.IncreaseLevel(zapcore.DebugLevel))
defer func() { _ = logger.Sync() }()
dispatcher := tg.NewUpdateDispatcher()
return telegram.BotFromEnvironment(ctx, telegram.Options{
Logger: logger,
UpdateHandler: dispatcher,
}, func(ctx context.Context, client *telegram.Client) error {
sender := message.NewSender(tg.NewClient(client))
dispatcher.OnNewMessage(func(ctx context.Context, entities tg.Entities, u *tg.UpdateNewMessage) error {
m, ok := u.Message.(*tg.Message)
if !ok || m.Out {
return nil
}
_, err := sender.Reply(entities, u).Text(ctx, m.Message)
return err
})
return nil
}, telegram.RunUntilCanceled)
}
func main() {
ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
defer cancel()
if err := run(ctx); err != nil {
_, _ = fmt.Fprintf(os.Stderr, "%+v\n", err)
os.Exit(2)
}
}