feat: user timezones (#2009)

* dev: user timezones

* feat: user timezones

apiserver/plane/api/views/base.py

@@ -1,24 +1,41 @@
+# Python imports
+import zoneinfo
+
 # Django imports
 from django.urls import resolve
 from django.conf import settings
-
+from django.utils import timezone
 # Third part imports
+
 from rest_framework import status
 from rest_framework.viewsets import ModelViewSet
 from rest_framework.exceptions import APIException
 from rest_framework.views import APIView
 from rest_framework.filters import SearchFilter
 from rest_framework.permissions import IsAuthenticated
-from rest_framework.exceptions import NotFound
 from sentry_sdk import capture_exception
 from django_filters.rest_framework import DjangoFilterBackend
 
 # Module imports
-from plane.db.models import Workspace, Project
 from plane.utils.paginator import BasePaginator
 
 
-class BaseViewSet(ModelViewSet, BasePaginator):
+class TimezoneMixin:
+    """
+    This enables timezone conversion according
+    to the user set timezone
+    """
+    def initial(self, request, *args, **kwargs):
+        super().initial(request, *args, **kwargs)
+        if request.user.is_authenticated:
+            timezone.activate(zoneinfo.ZoneInfo(request.user.user_timezone))
+        else:
+            timezone.deactivate()
+
+
+
+
+class BaseViewSet(TimezoneMixin, ModelViewSet, BasePaginator):
 
     model = None
 
@@ -67,7 +84,7 @@ class BaseViewSet(ModelViewSet, BasePaginator):
             return self.kwargs.get("pk", None)
 
 
-class BaseAPIView(APIView, BasePaginator):
+class BaseAPIView(TimezoneMixin, APIView, BasePaginator):
 
     permission_classes = [
         IsAuthenticated,

apiserver/plane/db/models/user.py

@@ -2,6 +2,7 @@
 import uuid
 import string
 import random
+import pytz
 
 # Django imports
 from django.db import models
@@ -9,9 +10,6 @@ from django.db.models.signals import post_save
 from django.dispatch import receiver
 from django.contrib.auth.models import AbstractBaseUser, UserManager, PermissionsMixin
 from django.utils import timezone
-from django.core.mail import EmailMultiAlternatives
-from django.template.loader import render_to_string
-from django.utils.html import strip_tags
 from django.conf import settings
 
 # Third party imports
@@ -66,7 +64,8 @@ class User(AbstractBaseUser, PermissionsMixin):
     billing_address = models.JSONField(null=True)
     has_billing_address = models.BooleanField(default=False)
 
-    user_timezone = models.CharField(max_length=255, default="Asia/Kolkata")
+    USER_TIMEZONE_CHOICES = tuple(zip(pytz.all_timezones, pytz.all_timezones))
+    user_timezone = models.CharField(max_length=255, default="UTC", choices=USER_TIMEZONE_CHOICES)
 
     last_active = models.DateTimeField(default=timezone.now, null=True)
     last_login_time = models.DateTimeField(null=True)

apiserver/plane/settings/common.py

@@ -161,7 +161,7 @@ MEDIA_URL = "/media/"
 
 LANGUAGE_CODE = "en-us"
 
-TIME_ZONE = "Asia/Kolkata"
+TIME_ZONE = "UTC"
 
 USE_I18N = True