From 3629010a96b4aa29ffbbfaab73c09a801d875957 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Tue, 27 Dec 2022 13:57:34 +0300
Subject: handle `addFollower` duplicates

---
 src/main/java/com/juick/service/ActivityPubService.java | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/main/java/com/juick/service/ActivityPubService.java b/src/main/java/com/juick/service/ActivityPubService.java
index 1bf1b5d4..c45b0c13 100644
--- a/src/main/java/com/juick/service/ActivityPubService.java
+++ b/src/main/java/com/juick/service/ActivityPubService.java
@@ -20,6 +20,7 @@ package com.juick.service;
 import com.juick.model.User;
 import com.juick.model.AnonymousUser;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.dao.DuplicateKeyException;
 import org.springframework.stereotype.Repository;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.util.UriComponents;
@@ -58,8 +59,12 @@ public class ActivityPubService extends BaseJdbcService implements SocialService
     @Transactional
     @Override
     public void addFollower(User user, String acct) {
-        getJdbcTemplate().update("INSERT INTO followers(user_id, acct) " +
-                "VALUES(?, ?)", user.getUid(), acct);
+        try {
+            getJdbcTemplate().update("INSERT INTO followers(user_id, acct) " +
+                    "VALUES(?, ?)", user.getUid(), acct);
+        } catch (DuplicateKeyException e) {
+            // ignore
+        }
     }
 
     @Transactional
-- 
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