valera/internal/states/start_bot_state/start_bot_state.go

package start_bot_state

import (
	"fmt"
	"net/http"
	"valera/internal/db"
	"valera/internal/states"

	tgbot "github.com/go-telegram-bot-api/telegram-bot-api"
	"golang.org/x/exp/slices"
)

var names = []string{
	"/start",
}

type startBotState struct {
	bot      *tgbot.BotAPI
	dataBase *db.DB
	version  string
}

func NewStartBotState(bot *tgbot.BotAPI, dataBase *db.DB, version string) states.BotState {
	return &startBotState{
		bot:      bot,
		dataBase: dataBase,
		version:  version,
	}
}

func (s *startBotState) Do(text string, chatInfo *db.ChatInfo) error {
	if !slices.Contains(names, text) {
		return nil
	}

	msg := fmt.Sprintf("Здорова, я Валера (%s), твой тренер (%d).", s.version, chatInfo.ChatID)
	_, _ = s.bot.Send(tgbot.NewMessage(chatInfo.ChatID, msg))
	return s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserStateNone)
}

func (s *startBotState) GetHandler() (string, func(http.ResponseWriter, *http.Request)) {
	return names[0], func(w http.ResponseWriter, r *http.Request) {
		w.WriteHeader(http.StatusInternalServerError)
	}
}