Add Telegram group members count to meetups

.github/workflows/build.yml

@@ -33,6 +33,8 @@ jobs:
         run: npm ci
       - name: Build
         run: npm run prod
+        env:
+          TELEGRAM_BOT_TOKEN: ${{ secrets.TELEGRAM_BOT_TOKEN }}
       # Deploy, limited to the master branch
       - name: Deploy
         if: success() && github.ref == 'refs/heads/master'

src/css/sections/meetups.css

@@ -73,6 +73,10 @@
           transform: scale(.75);
           animation-name: pulse;
         }
+
+        & .members {
+          display: none;
+        }
       }
     }
   }

src/index.pug

@@ -34,7 +34,7 @@ block main
       :markdown-it(html linkify typographer)
         ## 💬 Komm in die Gruppe!
 
-        Mit unserer Telegram-Gruppe bieten wir dir ein Shitcoin-freies Refugium: Mit über 1.000 Gleichgesinnten
+        Mit unserer Telegram-Gruppe bieten wir dir ein Shitcoin-freies Refugium: Mit über 2.000 Gleichgesinnten
         sprechen wir dort nicht über den Preis, Altcoins oder sonstige unwichtigen Dinge. In unserer Gruppe
         findest du News, Informationen und bekommst praktische Ratschläge zu technischen Themen.
 

src/meetups.pug

@@ -28,18 +28,24 @@ block main
         ul.meetups
           each m in filterOfficial(meetups, true)
             li.official(class=clss(m) style=style(m))
-              a(href=m.url target="_blank" rel="nofollow noopener")
+              a(href=m.url target="_blank" rel="nofollow noopener" title=m.members ? `${m.members} Mitglieder` : null)
                 .dot(style=`animation-delay:${((j*2000) + random(3000))}ms;animation-duration:${meetups.length*2}s;`)
                 = m.name.replace('Einundzwanzig ', '')
+                if m.members
+                  = ' '
+                  span.members= `(${m.members} Mitglieder)`
               - j++
 
         h2 Weitere Meetups
         ul.meetups
           each m in filterOfficial(meetups, false)
             li(class=clss(m) style=style(m))
-              a(href=m.url target="_blank" rel="nofollow noopener")
+              a(href=m.url target="_blank" rel="nofollow noopener" title=m.members ? `${m.members} Mitglieder` : null)
                 .dot(style=`animation-delay:${((j*2000) + random(3000))}ms;animation-duration:${meetups.length*2}s;`)
                 = m.name.replace('Bitcoin ', '')
+                if m.members
+                  = ' '
+                  span.members= `(${m.members} Mitglieder)`
               - j++
 
         img#dach(src=assetPath('/img/dach.svg') alt="DE, AT, CH")
@@ -49,8 +55,11 @@ block main
         ul.meetups
           each m in filterUnmapped(meetups)
             li(class=clss(m) style=style(m))
-              a(href=m.url target="_blank" rel="nofollow noopener")
+              a(href=m.url target="_blank" rel="nofollow noopener" title=m.members ? `${m.members} Mitglieder` : null)
                 = m.name
+                if m.members
+                  = ' '
+                  span.members= `(${m.members} Mitglieder)`
 
   script.
     document.getElementById('dach').onclick = e => {

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 => {