From d12b9daf876607b20d3342df9549e5f3dba40a7c Mon Sep 17 00:00:00 2001
From: "Torsten Schulz (local)" <tsschulz@gmx.net>
Date: Sat, 31 Jan 2026 00:08:25 +0100
Subject: [PATCH] fix(tournament): remove matches for participants before
 deletion

- Added logic to delete all matches associated with a participant before their removal from the tournament, ensuring data integrity and preventing orphaned match records.
---
 backend/services/tournamentService.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/backend/services/tournamentService.js b/backend/services/tournamentService.js
index 3d8d7da..24828ec 100644
--- a/backend/services/tournamentService.js
+++ b/backend/services/tournamentService.js
@@ -3380,6 +3380,16 @@ Ve    // 2. Neues Turnier anlegen
         if (!participant) {
             throw new Error('Externer Teilnehmer nicht gefunden');
         }
+        // Lösche alle Matches, in denen dieser Teilnehmer spielt
+        await TournamentMatch.destroy({
+            where: {
+                tournamentId,
+                [Op.or]: [
+                    { player1Id: participantId },
+                    { player2Id: participantId }
+                ]
+            }
+        });
         await participant.destroy();
     }