From fac4c5423fc4d774da054fbbe2f7e4c22252a7ad Mon Sep 17 00:00:00 2001
From: Freddie <freddie@thing.engineering>
Date: Thu, 25 Jun 2026 18:53:25 -0700
Subject: [PATCH] Handle duplicated pet item IDs for missing auctions

---
 apps/web/Controllers/API/AuctionsController.cs | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/apps/web/Controllers/API/AuctionsController.cs b/apps/web/Controllers/API/AuctionsController.cs
index 84ff4e8c7..9069d0b55 100644
--- a/apps/web/Controllers/API/AuctionsController.cs
+++ b/apps/web/Controllers/API/AuctionsController.cs
@@ -331,9 +331,15 @@ public async Task<IActionResult> Missing([FromBody] ApiMissingAuctionsForm form)
                     !accountPetIds.Contains(pet.Id))
                 .ToArrayAsync();
 
-            var petItemMap = missingPets
-                .Where(pet => pet.ItemIds.Count > 0)
-                .ToManyDictionary(pet => pet.ItemIds, pet => pet.CreatureId);
+            // ItemId -> CreatureId
+            var petItemMap = new Dictionary<int, int>();
+            foreach (var missingPet in missingPets.Where(pet => pet.ItemIds.Count > 0))
+            {
+                foreach (int itemId in missingPet.ItemIds)
+                {
+                    petItemMap.TryAdd(itemId, missingPet.CreatureId);
+                }
+            }
 
             var petSpeciesMap = missingPets
                 .ToDictionary(pet => pet.Id, pet => pet.CreatureId);