From d09eab73ae3a9d7f447dfafca886750acd04e58d Mon Sep 17 00:00:00 2001
From: Jacob Karlsson <jacob.karlsson95@gmail.com>
Date: Fri, 6 Jul 2018 23:50:18 +0200
Subject: [PATCH] Count attendees

---
 index.js  | 26 ++++++++++++++++++++++----
 render.js | 13 ++++++-------
 2 files changed, 28 insertions(+), 11 deletions(-)

diff --git a/index.js b/index.js
index 79140be..2a0e012 100644
--- a/index.js
+++ b/index.js
@@ -398,13 +398,31 @@ exports.init = function (sbot, config) {
 
   function addGatheringAbout(msg, cb) {
     if (msg.value && msg.value.content.type === 'gathering') {
-      console.log('adding gathering abouts. msg:', msg)
       getAbout(msg.key, (err, about) => {
-        if (err) { return cb(err) }
+        if (err) { cb(err) }
 
         msg.value.content.about = about
-        console.log('about gathering', about)
-        cb(null, msg)
+
+        pull(
+          sbot.backlinks.read({
+            query: [{ $filter: {
+              dest: msg.key,
+              value: { content: { type: 'about' }},
+            }}],
+            index: 'DTA'
+          }),
+          //pull.map(o => { console.log('bl:', o.value.content); return o }),
+          // Only grab messages about attendance
+          pull.filter(o => o.value.content.attendee !== undefined),
+          // Filter "can't attend"-messages
+          pull.filter(o => !o.value.content.attendee.remove),
+          pull.unique(o => o.value.content.attendee.link),
+          pull.collect((err, arr) => {
+            if (err) { cb(err) }
+            msg.value.content.numberAttending = arr.length
+            cb(null, msg)
+          })
+        )
       })
     } else {
       cb(null, msg)
diff --git a/render.js b/render.js
index 3caccc3..1d3436b 100644
--- a/render.js
+++ b/render.js
@@ -296,6 +296,9 @@ var styles = `
       background-color: #748ffc;
       border-bottom: 3px solid #4c6ef5;
     }
+    .attending {
+      text-align: center;
+    }
   </style>
 `;
 
@@ -524,23 +527,19 @@ function render(opts, id, c) {
     return [channel, h('h2', c.title), s];
   }
   else if (c.type === 'gathering') {
-    return ['id: ' + id,
-      h('div',
-        renderGathering(opts, id, c)
-      )
-    ]
+    return h('div', renderGathering(opts, id, c))
   }
   else return renderDefault(c);
 }
 
 function renderGathering(opts, id, c) {
-  console.log('opts', opts)
-  console.log('gathering content:', c)
   const desc = h('div')
   desc.innerHTML = marked(c.about.description, opts.marked)
   const image = h('p', h('img', { src: opts.img_base + c.about.image }))
+  const attending = h('h3.attending', c.numberAttending + ' attending')
   return h('section',
     [image,
+    attending,
     desc]
   )
 }