fix(audit): fermer les frontieres restantes

app/routes/users/_shared.py

@@ -4,7 +4,6 @@ Nothing here touches the blueprint: these are plain functions, so a test
 can call them with a request context and nothing else.
 """
 
-from flask import request
 from flask_babel import gettext as _
 
 from app.extensions import db
@@ -13,7 +12,7 @@ from app.extensions import db
 # routes needed them as well (ARCH-005). Importing them from here still
 # works, so the thirty call sites in this package did not have to move.
 from app.forms import flash_validation_errors, form_payload  # noqa: F401
-from app.models import GAME_PLATFORMS, Admin, Coach, Manager, Player, Scout, UserGamertag
+from app.models import Admin, Coach, Manager, Player, Scout, UserGamertag
 
 ALLOWED_CONTRACT_EXTENSIONS = {'pdf'}
 ALLOWED_SIGNED_EXTENSIONS = {'pdf'}
@@ -63,20 +62,25 @@ def pdf_upload_error(file, allowed_extensions):
 
 
 def update_user_gamertags(user, selected_games):
-    """Update gamertags for a user based on form input."""
+    """Update gamertags for a user from validated dynamic form fields."""
+    from app.forms import form_gamertags
+
+    submitted = form_gamertags(selected_games)
     existing_gamertags = {gt.game: gt for gt in user.gamertags}
     for game in selected_games:
-        gamertag = request.form.get(f'gamertag_{game}', '').strip()
-        platform = (
-            request.form.get(f'platform_{game}', '').strip() if GAME_PLATFORMS.get(game) else None
-        )
+        payload = submitted.get(game)
         existing = existing_gamertags.get(game)
-        if gamertag:
+        if payload:
             if existing:
-                existing.gamertag = gamertag
-                existing.platform = platform
+                existing.gamertag = payload['gamertag']
+                existing.platform = payload['platform']
             else:
-                gt = UserGamertag(user_id=user.id, game=game, gamertag=gamertag, platform=platform)
+                gt = UserGamertag(
+                    user_id=user.id,
+                    game=game,
+                    gamertag=payload['gamertag'],
+                    platform=payload['platform'],
+                )
                 db.session.add(gt)
         elif existing:
             db.session.delete(existing)