From d19e131248105a3639e7a03f41d023c38b77ec30 Mon Sep 17 00:00:00 2001
From: cel <cel@lOUVT+Phkvai9a/cCS/RKo+S9hnPAQdVixms/7ldpPA=.ed25519>
Date: Thu, 14 May 2020 20:34:31 -0400
Subject: Prefer backlinks.read for /links

---
 lib/serve.js | 29 ++++++++++++++++++++++-------
 1 file changed, 22 insertions(+), 7 deletions(-)

(limited to 'lib')

diff --git a/lib/serve.js b/lib/serve.js
index 46b78e7..749e075 100644
--- a/lib/serve.js
+++ b/lib/serve.js
@@ -1834,15 +1834,30 @@ Serve.prototype.type = function (path) {
 Serve.prototype.links = function (path) {
   var q = this.query
   var dest = path.substr(1)
-  var opts = {
-    dest: dest,
-    reverse: true,
-    values: true,
-  }
-  if (q.rel) opts.rel = q.rel
+  var sbot = this.app.sbot
 
   pull(
-    this.app.sbot.links(opts),
+    q.rel || q.author || !sbot.backlinks ? (q.type ?
+      pull.error(new Error('Unable to satisfy query')) :
+    sbot.links({
+      source: q.author || undefined,
+      dest: dest,
+      reverse: true,
+      values: true,
+      rel: q.rel
+    })) : sbot.backlinks.read({
+      reverse: true,
+      query: [
+        {$filter: {
+          dest: dest,
+          value: q.type ? {
+            content: {
+              type: q.type
+            }
+          } : {}
+        }}
+      ]
+    }),
     this.renderThread(),
     this.wrapMessages(),
     this.wrapLinks(dest),
-- 
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