Optimize /about-diff

- Include rel/type in links query
- Query only own messages for self-about (unless fromAny=1)

2 files changed, 15 insertions, 3 deletions

diff --git a/lib/app.js b/lib/app.js
index d0ff7f4..c841ab0 100644
--- a/lib/app.js
+++ b/lib/app.js
@@ -1337,7 +1337,7 @@ App.prototype.getLinks = function (id) {
   })
 }
 
-App.prototype.getLinks2 = function (id, relOrType) {
+App.prototype.getLinksBy = function (id, relOrType) {
   return this.sbot.backlinks ? this.sbot.backlinks.read({
     query: [
       {$filter: {
@@ -1357,6 +1357,16 @@ App.prototype.getLinks2 = function (id, relOrType) {
   })
 }
 
+App.prototype.getLinks3 = function (id, author, rel) {
+  return this.sbotLinks({
+    dest: id,
+    source: author,
+    rel: rel,
+    meta: false,
+    values: true
+  })
+}
+
 App.prototype.getShard = function (id, cb) {
   var self = this
   this.getMsgDecrypted(id, function (err, msg) {
diff --git a/lib/serve.js b/lib/serve.js
index 5736f9b..562476d 100644
--- a/lib/serve.js
+++ b/lib/serve.js
@@ -4033,7 +4033,7 @@ Serve.prototype.composer = function (opts, cb) {
       if (!canMentionAttendees) return cb(null)
       if (opts.id === opts.root) gotLinks(null, links)
       else pull(
-        self.app.getLinks2(opts.root, 'about'),
+        self.app.getLinksBy(opts.root, 'about'),
         pull.unique('key'),
         self.app.unboxMessages(),
         pull.collect(gotLinks)
@@ -4375,7 +4375,9 @@ Serve.prototype.aboutDiff = function (url) {
 
   function next(rootId, msg, cb) {
     pull(
-      self.app.getLinks(rootId),
+      rootId === msg.value.author && !self.query.fromAny ?
+        self.app.getLinks3(rootId, msg.value.author, 'about') :
+        self.app.getLinksBy(rootId, 'about'),
       pull.unique('key'),
       self.app.unboxMessages(),
       pull.collect(function (err, links) {