From 118614b20e014f9d241a49d0f33bd4245d4948cf Mon Sep 17 00:00:00 2001
From: Frank Tovar <mail@franktovar.de>
Date: Thu, 5 Feb 2026 11:50:53 +0100
Subject: [PATCH] Unlink child suggestions and clear votes on delete

---
 Endpoints/SuggestEndpoints.cs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Endpoints/SuggestEndpoints.cs b/Endpoints/SuggestEndpoints.cs
index fd45a24..db14d6e 100644
--- a/Endpoints/SuggestEndpoints.cs
+++ b/Endpoints/SuggestEndpoints.cs
@@ -111,6 +111,14 @@ public static class SuggestEndpoints
             if (suggestion == null)
                 return Results.NotFound(new { error = "Suggestion not found." });
 
+            // Break any links that pointed at this suggestion
+            await db.Suggestions
+                .Where(s => s.ParentSuggestionId == suggestion.Id)
+                .ExecuteUpdateAsync(s => s.SetProperty(x => x.ParentSuggestionId, (int?)null));
+
+            // Remove votes for this suggestion to avoid orphaned vote rows or FK errors
+            await db.Votes.Where(v => v.SuggestionId == suggestion.Id).ExecuteDeleteAsync();
+
             db.Suggestions.Remove(suggestion);
             await db.SaveChangesAsync();
             return Results.NoContent();