init

internal/bot/bot.go

@@ -0,0 +1,35 @@
+package bot
+
+import (
+	"context"
+	"log"
+	"spambot/internal/commands"
+	"spambot/internal/config"
+
+	"github.com/go-telegram/bot"
+)
+
+type TelegramBot struct {
+	config *config.Config
+	bot    *bot.Bot
+	ctx    context.Context
+}
+
+func NewTelegramBot(config *config.Config) *TelegramBot {
+	b, err := bot.New(config.Token)
+
+	b.RegisterHandler(bot.HandlerTypeMessageText, "/start", bot.MatchTypeExact, commands.StartCommand)
+
+	if err != nil {
+		log.Fatalf("Failed to create bot: %v", err)
+	}
+	return &TelegramBot{
+		config: config,
+		bot:    b,
+		ctx:    context.Background(),
+	}
+}
+
+func (b *TelegramBot) Start() {
+	b.bot.Start(b.ctx)
+}

internal/commands/start.go

@@ -0,0 +1,15 @@
+package commands
+
+import (
+	"context"
+
+	"github.com/go-telegram/bot"
+	"github.com/go-telegram/bot/models"
+)
+
+func StartCommand(ctx context.Context, b *bot.Bot, update *models.Update) {
+	b.SendMessage(ctx, &bot.SendMessageParams{
+		ChatID: update.Message.Chat.ID,
+		Text:   "Hello, world!",
+	})
+}

internal/config/config.go

@@ -0,0 +1,20 @@
+package config
+
+import (
+	"os"
+
+	"github.com/joho/godotenv"
+)
+
+type Config struct {
+	Token string
+}
+
+func NewConfig() *Config {
+	config := &Config{}
+	_ = godotenv.Load()
+
+	config.Token = os.Getenv("BOT_TOKEN")
+
+	return config
+}