premier fix pour le discord bot qui envoie des reminders sur des versions de matchs qui n'existent plus

app/routes/matches.py

@@ -583,6 +583,12 @@ def edit_match(match_id):
         notified_player_ids = []
         notified_participant_ids = []
 
+        # Capture old participant ids before any deletion, so we can purge
+        # their pending Discord notifications once the change is committed.
+        stale_participant_ids = [
+            p.id for p in MatchParticipant.query.filter_by(match_id=match.id).all()
+        ]
+
         if match.match_type == 'team_vs_team':
             teams_changed = data['team1_id'] != match.team1_id or data['team2_id'] != match.team2_id
             if teams_changed:
@@ -593,17 +599,33 @@ def edit_match(match_id):
             else:
                 # Same teams: the roster stands, but everyone is told again,
                 # because the date or the time may have moved.
+                # Reuse the existing participant ids so reference_id is always
+                # a real participant row, never the match id (fallback).
                 for team_id in (match.team1_id, match.team2_id):
                     if team_id:
-                        notified_player_ids.extend(
-                            m.player_id for m in TeamMember.query.filter_by(team_id=team_id).all()
-                        )
+                        for member in TeamMember.query.filter_by(team_id=team_id).all():
+                            notified_player_ids.append(member.player_id)
+                            existing = MatchParticipant.query.filter_by(
+                                match_id=match.id, player_id=member.player_id
+                            ).first()
+                            if existing:
+                                notified_participant_ids.append(existing.id)
+                                stale_participant_ids = [
+                                    pid for pid in stale_participant_ids if pid != existing.id
+                                ]
         else:
             MatchParticipant.query.filter_by(match_id=match.id).delete()
             notified_player_ids, notified_participant_ids = create_participants(match, data)
 
         db.session.commit()
 
+        # Purge Discord pending entries for participants that no longer exist.
+        # This runs after the commit so the bot only sees the durable state.
+        if stale_participant_ids:
+            from app.discord_bot import purge_pending_for_participants
+
+            purge_pending_for_participants(stale_participant_ids)
+
         notify_participants(
             title=match.title,
             date=match.date,