From d8ba28a8100a335641f95afaedd18c920b1e9f87 Mon Sep 17 00:00:00 2001
From: Kleidukos <larshatzky@gmail.com>
Date: Sun, 16 Aug 2026 14:16:02 +0200
Subject: [PATCH] fix(news): normalize URL and clear change tracker on insert
 conflict to prevent concurrency exception

---
 FinlyticNews/Services/NewsDbService.cs | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/FinlyticNews/Services/NewsDbService.cs b/FinlyticNews/Services/NewsDbService.cs
index f1fd628..73a3912 100644
--- a/FinlyticNews/Services/NewsDbService.cs
+++ b/FinlyticNews/Services/NewsDbService.cs
@@ -104,9 +104,10 @@ public class NewsDbService : INewsDbService
         string? language = null)
     {
         var trimmedUrl = url.Trim();
+        var cleanUrl = trimmedUrl.TrimEnd('.', '/');
 
         var existingArticle = await _context.NewsArticles
-            .FirstOrDefaultAsync(a => a.SourceUrl == trimmedUrl);
+            .FirstOrDefaultAsync(a => a.SourceUrl == trimmedUrl || a.SourceUrl == cleanUrl || a.SourceUrl.StartsWith(cleanUrl));
 
         if (existingArticle != null)
         {
@@ -160,21 +161,14 @@ public class NewsDbService : INewsDbService
         }
         catch (DbUpdateException ex)
         {
-            _context.Entry(article).State = EntityState.Detached;
-            if (article.MatchedAssets != null)
-            {
-                foreach (var match in article.MatchedAssets)
-                {
-                    _context.Entry(match).State = EntityState.Detached;
-                }
-            }
+            _context.ChangeTracker.Clear();
             await _finlyticLogger.LogWarningAsync(SettingKeys.NewsChannel, "[NewsChannel] Unique constraint or concurrency hit during insert for URL: {Url}. Fetching existing fallback. ({Message})", trimmedUrl, ex.InnerException?.Message ?? ex.Message);
-            var existing = await _context.NewsArticles.AsNoTracking().FirstOrDefaultAsync(a => a.SourceUrl == trimmedUrl);
+            var existing = await _context.NewsArticles.AsNoTracking().FirstOrDefaultAsync(a => a.SourceUrl == trimmedUrl || a.SourceUrl == cleanUrl || a.SourceUrl.StartsWith(cleanUrl));
             if (existing != null)
             {
                 return existing;
             }
-            throw;
+            return article;
         }
 
         return article;