don't use settings.TIME_ZONE directly

Author: deronnax

appointment/utils/json_context.py

@@ -6,11 +6,9 @@
 Since: 2.0.0
 """
 
-import pytz
 from django.http import JsonResponse
 from django.shortcuts import render
 from django.urls import reverse
-from django.conf import settings
 
 from appointment.settings import APPOINTMENT_ADMIN_BASE_TEMPLATE, APPOINTMENT_BASE_TEMPLATE
 from appointment.utils.db_helpers import username_in_user_model
@@ -20,12 +18,11 @@
 def convert_appointment_to_json(request, appointments: list) -> list:
     """Convert a queryset of Appointment objects to a JSON serializable format."""
     su = request.user.is_superuser
-    tz = pytz.timezone(settings.TIME_ZONE)
     return [{
         "id": appt.id,
         "client": appt.client.username if username_in_user_model() else "",
-        "start_time": tz.localize(appt.get_start_time()).isoformat(),
-        "end_time": tz.localize(appt.get_end_time()).isoformat(),
+        "start_time": appt.get_start_time().isoformat(),
+        "end_time": appt.get_end_time().isoformat(),
         "client_name": appt.get_client_name(),
         "url": appt.get_absolute_url(request),
         "background_color": appt.get_background_color(),
@@ -37,7 +34,6 @@ def convert_appointment_to_json(request, appointments: list) -> list:
         "staff_id": appt.appointment_request.staff_member.id,
         "additional_info": appt.additional_info,
         "want_reminder": appt.want_reminder,
-        "timezone": settings.TIME_ZONE,
     } for appt in appointments]
 
 
@@ -59,7 +55,6 @@ def get_generic_context(request, admin=True):
     return {
         'BASE_TEMPLATE': APPOINTMENT_ADMIN_BASE_TEMPLATE if admin else APPOINTMENT_BASE_TEMPLATE,
         'user': request.user,
-        'timezone': settings.TIME_ZONE,
         'is_superuser': request.user.is_superuser,
     }
 

appointment/views.py

@@ -98,7 +98,7 @@ def get_available_slots_ajax(request):
     # Check if the selected_date is today and filter out past slots
     if selected_date == date.today():
         # Get the current time in EDT timezone
-        current_time_edt = datetime.now(pytz.timezone(settings.TIME_ZONE)).time()
+        current_time_edt = datetime.now(pytz.timezone('Europe/Paris')).time()
         available_slots = [slot for slot in available_slots if convert_str_to_time(slot) > current_time_edt]
 
     custom_data['available_slots'] = available_slots

appointments/settings.py

@@ -110,7 +110,7 @@
 
 LANGUAGE_CODE = "en"
 
-TIME_ZONE = 'Europe/Paris'
+TIME_ZONE = 'UTC'
 
 USE_I18N = True