From b1b59e6df5ddbfcca2fcd87cfab75e2f412e49c6 Mon Sep 17 00:00:00 2001
From: Ladd Hoffman <laddhoffman@gmail.com>
Date: Fri, 26 Apr 2024 22:48:52 -0500
Subject: [PATCH] ignore cited papers with no authors

---
 backend/src/import-from-ss.js | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/backend/src/import-from-ss.js b/backend/src/import-from-ss.js
index 72d4ef7..4eb5485 100644
--- a/backend/src/import-from-ss.js
+++ b/backend/src/import-from-ss.js
@@ -146,19 +146,23 @@ const importPaper = async (paper) => {
   const { paperId } = paper;
   const references = paper.references.filter((x) => !!x.paperId);
   const eachCitationWeightPercent = Math.floor(PPM_TO_CITATIONS / references.length);
-  const citations = await Promise.mapSeries(
+  const citations = (await Promise.mapSeries(
     references,
     async (citedPaper) => {
       // We need to fetch this paper so we can generate the post we WOULD add to the forum.
       // That way, if we later add the cited paper to the blockchain it will have the correct hash.
       // The forum allows dangling citations to support this use case.
-      const citedPost = await generatePost(citedPaper);
-      return {
-        weightPPM: eachCitationWeightPercent,
-        targetPostId: citedPost.hash,
-      };
+      try {
+        const citedPost = await generatePost(citedPaper);
+        return {
+          weightPPM: eachCitationWeightPercent,
+          targetPostId: citedPost.hash,
+        };
+      } catch (e) {
+        return null;
+      }
     },
-  );
+  )).filter((x) => !!x);
 
   // Make sure citation weights sum to the designated total
   if (citations.length) {