fix(audit): fermer les frontieres restantes

app/routes/matches.py

@@ -46,6 +46,25 @@ def match_form_payload():
     return form_payload(list_fields=('player_ids',), optional_blank=())
 
 
+def registered_players(tryout_id):
+    """Players registered for one tryout, loaded in a single query.
+
+    The create form previously called ``User.query.get`` twice per
+    registration (once in the filter and once in the result expression),
+    and the edit form called it once per row. Besides scaling linearly, both
+    paths could return duplicates while DB-006 is still pending. The join is
+    bounded and ``distinct`` preserves the form's intended one-option-per-
+    player contract until the database constraint lands.
+    """
+    return (
+        User.query.join(TryoutRegistration, TryoutRegistration.player_id == User.id)
+        .filter(TryoutRegistration.tryout_id == tryout_id)
+        .order_by(User.username)
+        .distinct()
+        .all()
+    )
+
+
 #: How long a match lasts when the form gives a start and no end.
 DEFAULT_MATCH_MINUTES = 30
 
@@ -369,11 +388,7 @@ def create_match(tryout_id):
         return redirect(url_for('tryouts.view_tryout', tryout_id=tryout_id))
 
     teams = Team.query.filter_by(tryout_id=tryout_id).all()
-    registrations = TryoutRegistration.query.filter_by(tryout_id=tryout_id).all()
-    all_players = [
-        User.query.get(r.player_id) for r in registrations if User.query.get(r.player_id)
-    ]
-    all_players = sorted([p for p in all_players if p], key=lambda x: x.username)
+    all_players = registered_players(tryout_id)
     prefill_date = request.args.get('date', '')
 
     def rerender():
@@ -449,9 +464,7 @@ def edit_match(match_id):
         return redirect(url_for('tryouts.view_tryout', tryout_id=tryout.id))
 
     teams = Team.query.filter_by(tryout_id=tryout.id).all()
-    registrations = TryoutRegistration.query.filter_by(tryout_id=tryout.id).all()
-    all_players = [User.query.get(r.player_id) for r in registrations if r.player_id]
-    all_players = sorted([p for p in all_players if p], key=lambda x: x.username)
+    all_players = registered_players(tryout.id)
     current_player_ids = [p.player_id for p in match.participants.all()]
     team1_player_ids = [p.player_id for p in match.participants.filter_by(team_side=1).all()]
     team2_player_ids = [p.player_id for p in match.participants.filter_by(team_side=2).all()]