From 84c4df66209111b3c996f8c0d4b7853ca611c6d3 Mon Sep 17 00:00:00 2001
From: LittleSheep <littlesheep.code@hotmail.com>
Date: Mon, 25 Aug 2025 13:05:34 +0800
Subject: [PATCH] :necktie: Prevent from creating duplicate featured record

---
 DysonNetwork.Sphere/Post/PostService.cs | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/DysonNetwork.Sphere/Post/PostService.cs b/DysonNetwork.Sphere/Post/PostService.cs
index 23515e3..b6f79fd 100644
--- a/DysonNetwork.Sphere/Post/PostService.cs
+++ b/DysonNetwork.Sphere/Post/PostService.cs
@@ -787,13 +787,24 @@ public partial class PostService(
             await cache.SetAsync(FeaturedPostCacheKey, featuredIds, TimeSpan.FromHours(24));
 
             // Create featured record
-            var records = reactSocialPoints.Select(e => new PostFeaturedRecord
+            var existingFeaturedPostIds = await db.PostFeaturedRecords
+                .Where(r => featuredIds.Contains(r.PostId))
+                .Select(r => r.PostId)
+                .ToListAsync();
+
+            var records = reactSocialPoints
+                .Where(p => !existingFeaturedPostIds.Contains(p.Key))
+                .Select(e => new PostFeaturedRecord
+                {
+                    PostId = e.Key,
+                    SocialCredits = e.Value
+                }).ToList();
+
+            if (records.Any())
             {
-                PostId = e.Key,
-                SocialCredits = e.Value
-            }).ToList();
-            db.PostFeaturedRecords.AddRange(records);
-            await db.SaveChangesAsync();
+                db.PostFeaturedRecords.AddRange(records);
+                await db.SaveChangesAsync();
+            }
         }
 
         var posts = await db.Posts