Add Telegram group members count to meetups

tasks/generate_pages.js

@@ -8,7 +8,6 @@ const episodes = require('../generated/episodes.json')
 const spendenregister = require('../generated/spendenregister.json')
 const spendenuebersicht = require('../content/spendenuebersicht.json')
 const team = require('../content/team.json')
-const meetups = require('../content/meetups.json')
 const telegram = require('../content/telegram.json')
 const shops = require('../content/shops.json')
 const soundboard = require('../content/soundboard.json')
@@ -27,7 +26,7 @@ const renderPage = (template, out, data = {}) => {
 }
 
 const sortId = m => `${m.country === 'DE' ? '0' : m.country}-${m.name}`
-const meetupsSorted = meetups.sort((a, b) => {
+const meetupsSorted = site.meetups.sort((a, b) => {
   return sortId(a) > sortId(b) ? 1 : -1
 })
 

tasks/generate_site_data.js

@@ -6,6 +6,8 @@ const meta = require('../content/meta.json')
 const meetups = require('../content/meetups.json')
 const soundboard = require('../content/soundboard.json')
 
+const { TELEGRAM_BOT_TOKEN } = process.env
+
 const dir = (...path) => resolve(__dirname, '..', ...path)
 const writeJSON = (file, data) => writeFileSync(file, JSON.stringify(data, null, 2))
 
@@ -20,18 +22,43 @@ try {
 const block = recentBlocks.length && recentBlocks[0].height
 const date = (new Date()).toJSON().split('T')[0]
 
-writeJSON(dir('generated', 'site-data.json'), { date, block, meta })
-
 // Meetups
 const meetup = meetups.map(m => {
   const copy = Object.assign({}, m)
-  delete copy.top
-  delete copy.left
+
+  if (TELEGRAM_BOT_TOKEN) {
+    let { telegramId } = m
+    if (!telegramId && m.url.startsWith('https://t.me/')) {
+      [,, telegramId] = m.url.match(/:\/\/t\.me\/(?!(\+|joinchat))(.*)/) || []
+      if (telegramId) {
+        try {
+          const jsonBody = request(
+            'GET',
+            `https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/getChatMemberCount?chat_id=@${telegramId}`
+          ).getBody('utf8')
+          const { ok, result } = JSON.parse(jsonBody)
+          if (ok) {
+            copy.telegramId = telegramId
+            copy.members = result
+          }
+        } catch (err) {
+        }
+      }
+    }
+  }
+
   return copy
 })
 
 writeJSON(dir('dist', 'meetups.json'), meetup)
 
+writeJSON(dir('generated', 'site-data.json'), {
+  date,
+  block,
+  meta,
+  meetups: meetup,
+})
+
 // Soundboard
 const sounds = soundboard.map(group => {
   group.sounds = group.sounds.map(sound => {