app.js

require('dotenv').config();
const mongoose = require('mongoose');
const Telegraf = require('telegraf');
const Markup = require('telegraf/markup');
const {
  doIknowYou,
  getUsersTeams,
  getManagersTeams,
} = require('./utils/dbHelpers');
const {
  showBacklog,
  showHelp,
  showBirthdays,
  showNextEvents,
} = require('./utils/botHelpers');
const {
  REPLIES,
  COMMANDS,
} = require('./utils/phrases');

const bot = new Telegraf(process.env.TOKEN);

mongoose.connect(process.env.MONGO, { useNewUrlParser: true })
  .then(() => { console.log('подключились к базе'); })
  .catch(() => console.log('не удалось подключиться'));

async function main(ctx, user) {

  const userPlaysIn = await getUsersTeams(user);
  const userManages = await getManagersTeams(user);


  // TODO: сделать выбор команды, в которой дальше все будет происходить.
  // Пока считаем, что один пользователь может играть и админить только одну команду.
  const [TEAM_PLAYS] = userPlaysIn;
  const [TEAM_MANAGES] = userManages;

  const mainMenu = [
    [COMMANDS.ALARM],
    [COMMANDS.ALL_GAMES, COMMANDS.BIRTHDAYS],
    [COMMANDS.HELP],
  ];

  ctx.reply(REPLIES.MAIN_MENU, Markup
    .keyboard(mainMenu)
    .resize()
    .extra());

  bot.command('backlog', reply => reply.replyWithHTML(showBacklog()));

  bot.hears(COMMANDS.HELP, reply => reply.replyWithHTML(showHelp()));
  bot.command('help', reply => reply.replyWithHTML(showHelp()));

  bot.hears(COMMANDS.BIRTHDAYS, async reply => reply.replyWithHTML(await showBirthdays(TEAM_PLAYS)));
  bot.command('birthday', async reply => reply.replyWithHTML(await showBirthdays(TEAM_PLAYS)));

  bot.hears(COMMANDS.ALARM, async reply => reply.replyWithHTML(await showNextEvents(true)));
  bot.command('where', async reply => reply.replyWithHTML(await showNextEvents(true)));

  bot.hears(COMMANDS.ALL_GAMES, async reply => reply.replyWithHTML(await showNextEvents()));
  bot.command('calendar', async reply => reply.replyWithHTML(await showNextEvents()));
}

async function whoAreYou(ctx) {
  const tgUsername = ctx.update.message.from.username;
  if (!tgUsername) {
    ctx.reply(REPLIES.NO_USERNAME);
    return;
  }
  const user = await doIknowYou(ctx.update.message.from.username, true);

  if (!user) {
    ctx.reply(REPLIES.UNKNOWN_USER);
  } else {
    main(ctx, user);
  }
}

bot.start(ctx => whoAreYou(ctx));
bot.startPolling();