add profile images for users

Note: users can configure different images on each relay, added
userList with a metadata to keep a map of of different settings
of each releay.

src/cards.css

@@ -1,20 +1,29 @@
 /* https://developer.mozilla.org/en-US/docs/Web/CSS/Layout_cookbook/Media_objects */
 .mbox {
-  display: flex;
   align-items: flex-start;
+  display: flex;
+  flex-direction: row;
+  flex-wrap: wrap;
+  margin-bottom: 1rem;
 }
 
 .mbox .mbox-img {
-  width: 64px;
+  flex-basis: 64px;
   height: 64px;
   margin-right: 1rem;
+  width: 64px;
+}
+
+.mbox .mbox-header {
+  flex-basis: calc(100% - 64px - 1rem);
+  flex-grow: 0;
+  flex-shrink: 1;
+  margin-top: 0;
 }
 
 .mbox .mbox-body {
-  flex: 1;
   color: var(--fgcolor-accent);
-}
-
-.mbox-body > .header {
-  margin-top: 0;
+  flex-basis: calc(100% - 64px - 1rem);
+  flex-grow: 0;
+  flex-shrink: 1;
 }

src/main.js

@@ -4,15 +4,50 @@ import {elem} from './domutil.js';
 const pool = relayPool();
 pool.addRelay('wss://nostr.x1ddos.ch', {read: true, write: true});
 pool.addRelay('wss://nostr.bitcoiner.social/', {read: true, write: true});
+pool.addRelay('wss://relay.nostr.info', {read: true, write: true});
 
 const feedlist = document.querySelector('#feedlist');
 
+const dateTime = new Intl.DateTimeFormat(navigator.language, {
+  dateStyle: 'full',
+  timeStyle: 'long',
+});
+
+const userList = [];
+
 function onEvent(evt, relay) {
-  console.log(`event from ${relay}`, evt);
+  if (evt.kind === 0) {
+    console.log(`event.kind=0 from ${relay}`, evt);
+    try {
+      const content = JSON.parse(evt.content);
+      setMetadata(userList, relay, evt, content);
+      return;
+    } catch(err) {
+      console.error(err);
+    }
+  }
+  if (evt.kind !== 1) {
+    console.log(`add support for ${evt.kind}`, evt)
+    return;
+  }
+  const user = userList.find(user => user.pubkey === evt.pubkey);
+  const userImg = user?.metadata[relay]?.picture || 'bubble.svg';
+  const userName = user?.metadata[relay]?.name || evt.pubkey.slice(0, 8);
+  const userAbout = user?.metadata[relay]?.about || '';
   const time = new Date(evt.created_at * 1000);
-  const text = `${evt.content} - ${time.toISOString()}`; // TODO: Intl.DateTimeFormat
-  const img = elem('img', {className: 'mbox-img', src: 'bubble.svg'}, '');
-  const body = elem('div', {className: 'mbox-body'}, [text]);
+  const img = elem('img', {
+    className: 'mbox-img',
+    src: userImg,
+    alt: `${userName}@${relay}`,
+    title: userAbout},
+  '');
+  const body = elem('div', {className: 'mbox-body', title: dateTime.format(time)}, [
+    elem('header', {className: 'mbox-header'}, [
+      elem('strong', {}, userName),
+      ` wrote:`
+    ]),
+    evt.content // text
+  ]);
   const art = elem('article', {className: 'mbox'}, [img, body]);
   feedlist.append(art);
 }
@@ -23,6 +58,26 @@ pool.sub({
     '52155da703585f25053830ac39863c80ea6adc57b360472c16c566a412d2bc38', // quark
     'a6057742e73ff93b89587c27a74edf2cdab86904291416e90dc98af1c5f70cfa', // mosc
     '3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d', // fiatjaf
-    '32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245'  // jb55
+    // '32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245'  // jb55
   ]}
 });
+
+
+function setMetadata(userList, relay, evt, content) {
+  const user = userList.find(u => u.pubkey === evt.pubkey);
+  if (!user) {
+    userList.push({
+      metadata: {
+        [relay]: content
+      },
+      pubkey: evt.pubkey,
+    });
+  } else {
+    user.metadata[relay] = {
+      ...user.metadata[relay],
+      timestamp: evt.created_at,
+      ...content,
+    };
+    console.log('update existing user', user);
+  }
+}