feat(MSC3440): implement threads for feed and notifications.

fix(sendHtmlNotice): possibly MSC1767 related.

commands/fediverse/unroll.js

@@ -0,0 +1,26 @@
+exports.runQuery = function (roomId, event, userInput) {
+  const instance = axios.create({
+    baseURL: config.fediverse.domain,
+    method: 'GET',
+    headers: { Authorization: `Bearer ${fediverse.auth.access_token}` },
+  });
+  instance.get(`/api/v1/statuses/${userInput}/context`)
+    .then(async (response) => {
+      let story = [];
+      const original = await instance.get(`/api/v1/statuses/${userInput}`);
+      const ancestors = response.data.ancestors;
+      const descendants = response.data.descendants;
+      story = [...story, ancestors, original.data, descendants];
+      const book = story.flat();
+      await fediverse.utils.thread(roomId, event, '<br><hr><h3>...Beginning thread...</h3><hr><br>');
+      for (const [i, entry] of book.entries()) {
+        entry.label = 'thread';
+        fediverse.utils.formatter(entry, roomId, event)
+      }
+      await fediverse.utils.thread(roomId, event, '<br><hr><h3>...Thread ended...</h3><hr><br>');
+    })
+    .catch((e) => {
+      matrix.utils.addReact(event, '❌');
+      matrix.utils.sendError(event, roomId, e);
+    });
+};

commands/fediverse/utils.js

@@ -8,6 +8,20 @@ const sendEventWithMeta = async (roomId, content, meta) => {
   });
 };
 
+const thread = async (roomId, event, content, meta) => {
+  await matrixClient.sendEvent(roomId, 'm.room.message', {
+    body: content.replace(/<[^<]+?>/g, ''),
+    msgtype: 'm.notice',
+    formatted_body: content,
+    meta: meta,
+    format: 'org.matrix.custom.html',
+    'm.relates_to': {
+      rel_type: 'm.thread',
+      event_id: event['event']['content']['m.relates_to']['event_id'],
+    },
+  })
+};
+
 const hasAttachment = (res) => {
   if (res.status) res = res.status;
   if (!res.media_attachments) return '<br>';
@@ -69,7 +83,7 @@ const notifyFormatter = (res, roomId) => {
   }
 };
 
-const isOriginal = (res, roomId) => {
+const isOriginal = (res, roomId, event) => {
   if (res.data) res = res.data;
   userDetails = `<b><a href="${config.fediverse.domain}/notice/${res.id}">
   ${res.account.acct}</a>`;
@@ -80,7 +94,8 @@ const isOriginal = (res, roomId) => {
     ${hasAttachment(res)}
     <br>(id: ${res.id}) ${registrar.post.visibilityEmoji(res.visibility)}
     </blockquote>`;
-  sendEventWithMeta(roomId, content, meta);
+  if (res.label == 'thread') thread(roomId, event, content, meta);
+  else sendEventWithMeta(roomId, content, meta);
 };
 
 const isReblog = (res, roomId) => {
@@ -101,11 +116,13 @@ const isReblog = (res, roomId) => {
 
 module.exports.sendEventWithMeta = sendEventWithMeta;
 
-module.exports.formatter = (res, roomId) => {
+module.exports.thread = thread;
+
+module.exports.formatter = (res, roomId, event) => {
   const filtered = (res.label === 'notifications')
     ? notifyFormatter(res, roomId)
     : (res.reblog == null)
-      ? isOriginal(res, roomId)
+      ? isOriginal(res, roomId, event)
       : isReblog(res, roomId);
   return filtered;
 };

registrar.js

@@ -47,5 +47,6 @@ module.exports = {
   tip: require('./commands/fediverse/tip.js'),
   unfollow: require('./commands/fediverse/unfollow.js'),
   unpin: require('./commands/fediverse/unpin.js'),
-  unreblog: require('./commands/fediverse/unreblog.js')
+  unreblog: require('./commands/fediverse/unreblog.js'),
+  unroll: require('./commands/fediverse/unroll.js')
 };

utils.js

@@ -124,6 +124,7 @@ module.exports.handleReact = async (event) => {
   if (reaction.key === '👏') command = 'clap';
   if (reaction.key === '🗑️️') command = 'redact';
   if (reaction.key === '🌧️') command = 'makeitrain';
+  if (reaction.key === '➕') command = 'unroll';
   eventHandler(args, roomId, command, event);
 };
 
@@ -150,6 +151,7 @@ module.exports.selfReact = async (event) => {
   const type = meta.split(' ')[0];
   if (type === 'redact' || type === 'unreblog') addReact(event, '🗑️️');
   if (type === 'status' || type === 'reblog' || type === 'mention') {
+    addReact(event, '➕');
     addReact(event, '🔁');
     addReact(event, '👏');
     if (config.fediverse.tipping === true) addReact(event, '🌧️');