fix(audit): centraliser l'horloge UTC

app/routes/auth.py

@@ -8,7 +8,7 @@ password policy enforcement and sign-up screening.
 import os
 import secrets
 import time
-from datetime import datetime, timedelta
+from datetime import timedelta
 from urllib.parse import urlencode, urlparse
 
 import requests
@@ -22,6 +22,7 @@ from app.forms import form_gamertags
 from app.i18n import LOCALE_SESSION_KEY
 from app.logging_config import log_auth_event
 from app.models import ESPORT_GAMES, Player, User
+from app.time_utils import utc_now_naive
 from app.validators import LoginSchema, RegisterSchema, validate_discord_user_id
 
 #: Session key holding the pending OAuth2 anti-forgery token.
@@ -294,7 +295,7 @@ def login():
             )
             if user.failed_login_attempts >= MAX_LOGIN_ATTEMPTS:
                 minutes = cooloff_minutes(user.failed_login_attempts)
-                user.locked_until = datetime.utcnow() + timedelta(minutes=minutes)
+                user.locked_until = utc_now_naive() + timedelta(minutes=minutes)
                 log_auth_event(
                     'account.throttled',
                     username=username,

app/routes/team_matches.py

@@ -3,8 +3,6 @@
 Uses polymorphic isinstance checks instead of role-string comparisons.
 """
 
-from datetime import datetime
-
 from flask import Blueprint, flash, jsonify, redirect, render_template, request, url_for
 from flask_babel import gettext as _
 from flask_login import current_user, login_required
@@ -27,6 +25,7 @@ from app.pagination import paginate
 from app.permissions import can_manage_org_team, coach_org_teams, visible_org_teams
 from app.routes.matches import default_end_time
 from app.services.scheduling import notify_participants, zip_participants
+from app.time_utils import utc_now_naive
 from app.validators import TeamMatchSchema
 
 team_matches_bp = Blueprint('team_matches', __name__, url_prefix='/team-matches')
@@ -100,7 +99,7 @@ def list_matches():
         teams=teams,
         match_data=match_data,
         pagination=matches_page,
-        now=datetime.utcnow(),
+        now=utc_now_naive(),
     )
 
 

app/routes/teams.py

@@ -3,8 +3,6 @@
 Uses polymorphic isinstance checks instead of role-string comparisons.
 """
 
-from datetime import datetime
-
 from flask import Blueprint, flash, jsonify, redirect, render_template, url_for
 from flask_babel import gettext as _
 from flask_login import current_user, login_required
@@ -29,6 +27,7 @@ from app.models import (
     User,
 )
 from app.permissions import visible_org_teams
+from app.time_utils import utc_now_naive
 from app.validators import NoteContentSchema, OrgTeamSchema, TeamPlayerSchema, TeamStaffSchema
 
 teams_bp = Blueprint('teams', __name__, url_prefix='/teams')
@@ -82,7 +81,7 @@ def my_teams():
     from app.models import TeamMatch, TeamMatchParticipant
 
     player_teams = current_user.get_org_teams()
-    now = datetime.utcnow()
+    now = utc_now_naive()
     team_data = []
 
     for org_team in player_teams:

app/routes/tryouts.py

@@ -4,8 +4,6 @@ This module handles CRUD operations for tryouts and player registrations.
 Uses polymorphic isinstance checks instead of role-string comparisons.
 """
 
-from datetime import datetime
-
 from flask import Blueprint, abort, flash, redirect, render_template, request, url_for
 from flask_babel import gettext as _
 from flask_login import current_user, login_required
@@ -33,6 +31,7 @@ from app.models import (
     TryoutRegistration,
     User,
 )
+from app.time_utils import utc_now_naive
 from app.validators import (
     PlayerSelectionSchema,
     TryoutRegistrationStatusSchema,
@@ -114,7 +113,7 @@ def list_tryouts():
     Delegates to the polymorphic User subclass's get_visible_tryouts() method.
     """
     tryouts = current_user.get_visible_tryouts()
-    return render_template('pages/tryouts.html', tryouts=tryouts, now=datetime.utcnow())
+    return render_template('pages/tryouts.html', tryouts=tryouts, now=utc_now_naive())
 
 
 @tryouts_bp.route('/create', methods=['GET', 'POST'])
@@ -425,7 +424,7 @@ def view_tryout(tryout_id):
         matches=matches,
         match_data=match_data,
         game_positions=GAME_POSITIONS,
-        now=datetime.utcnow(),
+        now=utc_now_naive(),
     )
 
 

app/routes/users/contracts.py

@@ -2,7 +2,6 @@
 
 import os
 import uuid
-from datetime import datetime
 
 from flask import flash, redirect, render_template, request, send_file, url_for
 from flask_babel import gettext as _
@@ -20,6 +19,7 @@ from app.routes.users._shared import (
 )
 from app.routes.users.blueprint import users_bp
 from app.storage import CONTRACTS_DIR, document_path
+from app.time_utils import utc_now_naive
 from app.validators import UploadContractSchema
 
 
@@ -172,7 +172,7 @@ def upload_signed_contract(contract_id):
     contract.signed_filename = signed_filename
     contract.signed_file_path = signed_path
     contract.status = 'signed'
-    contract.signed_at = datetime.utcnow()
+    contract.signed_at = utc_now_naive()
     db.session.commit()
     flash(_('Signed contract uploaded successfully!'), 'success')
     return redirect(url_for('users.list_contracts'))

app/routes/users/one_on_one.py

@@ -1,7 +1,5 @@
 """One-on-one sessions between a player and their coach."""
 
-from datetime import datetime
-
 from flask import flash, redirect, render_template, request, url_for
 from flask_babel import gettext as _
 from flask_login import current_user, login_required
@@ -12,6 +10,7 @@ from app.forms import flash_validation_errors, form_payload
 from app.models import Coach, CoachAvailability, OneOnOneRequest, PersonalNote, Player, TeamNote
 from app.routes.users.blueprint import users_bp
 from app.services.notifications import send_discord_notification
+from app.time_utils import utc_now_naive
 from app.validators import OneOnOneRejectionSchema, OneOnOneRequestSchema
 
 
@@ -178,7 +177,7 @@ def accept_one_on_one(request_id):
 
     player = request_obj.player
     request_obj.status = 'approved'
-    request_obj.responded_at = datetime.utcnow()
+    request_obj.responded_at = utc_now_naive()
     db.session.commit()
 
     # Notify player via Discord (same message as if approved through Discord reactions)
@@ -235,7 +234,7 @@ def reject_one_on_one(request_id):
     player = request_obj.player
 
     request_obj.status = 'rejected'
-    request_obj.responded_at = datetime.utcnow()
+    request_obj.responded_at = utc_now_naive()
     if rejection_reason:
         request_obj.coach_rejection_message = rejection_reason
     db.session.commit()