Init barebones Go Telegram bot with commands folder similar to the JS bot

commands/command.go

@@ -0,0 +1,19 @@
+package commands
+
+import tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
+
+type Command interface {
+	Name() string
+	Help() string
+	Execute(update tgbotapi.Update, bot *tgbotapi.BotAPI)
+}
+
+var commandRegistry = make(map[string]Command)
+
+func Register(cmd Command) {
+	commandRegistry[cmd.Name()] = cmd
+}
+
+func All() map[string]Command {
+	return commandRegistry
+}

commands/help.go

@@ -0,0 +1,29 @@
+package commands
+
+import (
+	"strings"
+	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
+)
+
+type HelpCommand struct{}
+
+func (h HelpCommand) Name() string {
+	return "help"
+}
+
+func (h HelpCommand) Help() string {
+	return "Shows available commands."
+}
+
+func (h HelpCommand) Execute(update tgbotapi.Update, bot *tgbotapi.BotAPI) {
+	var helpText strings.Builder
+	for _, cmd := range All() {
+		helpText.WriteString("/" + cmd.Name() + " - " + cmd.Help() + "\n")
+	}
+	msg := tgbotapi.NewMessage(update.Message.Chat.ID, helpText.String())
+	bot.Send(msg)
+}
+
+func init() {
+	Register(HelpCommand{})
+}

commands/info.go

@@ -0,0 +1,28 @@
+package commands
+
+import (
+	"log"
+	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
+)
+
+type InfoCommand struct{}
+
+func (i InfoCommand) Name() string {
+	return "info"
+}
+
+func (i InfoCommand) Help() string {
+	return "Displays information about the bot."
+}
+
+func (i InfoCommand) Execute(update tgbotapi.Update, bot *tgbotapi.BotAPI) {
+	msg := tgbotapi.NewMessage(update.Message.Chat.ID, "This bot does XYZ.")
+	_, err := bot.Send(msg)
+	if err != nil {
+		log.Println("Failed to send info message:", err)
+	}
+}
+
+func init() {
+	Register(InfoCommand{})
+}