[WEB-1132] fix: display datetime fields in user time zone format (#4323)

* fix: user timezone response

* chore: removed unused variables

apiserver/plane/api/views/issue.py

@@ -32,7 +32,6 @@ from plane.api.serializers import (
     LabelSerializer,
 )
 from plane.app.permissions import (
-    WorkspaceEntityPermission,
     ProjectEntityPermission,
     ProjectLitePermission,
     ProjectMemberPermission,

apiserver/plane/app/views/cycle/issue.py

@@ -38,7 +38,7 @@ from plane.db.models import (
 )
 from plane.bgtasks.issue_activites_task import issue_activity
 from plane.utils.issue_filters import issue_filters
-
+from plane.utils.user_timezone_converter import user_timezone_converter
 
 class CycleIssueViewSet(WebhookMixin, BaseViewSet):
     serializer_class = CycleIssueSerializer
@@ -191,6 +191,11 @@ class CycleIssueViewSet(WebhookMixin, BaseViewSet):
                 "is_draft",
                 "archived_at",
             )
+            datetime_fields = ["created_at", "updated_at"]
+            issues = user_timezone_converter(
+                issues, datetime_fields, request.user.user_timezone
+            )
+
         return Response(issues, status=status.HTTP_200_OK)
 
     def create(self, request, slug, project_id, cycle_id):

apiserver/plane/app/views/issue/archive.py

@@ -47,7 +47,7 @@ from plane.db.models import (
 )
 from plane.bgtasks.issue_activites_task import issue_activity
 from plane.utils.issue_filters import issue_filters
-
+from plane.utils.user_timezone_converter import user_timezone_converter
 
 class IssueArchiveViewSet(BaseViewSet):
     permission_classes = [
@@ -239,6 +239,11 @@ class IssueArchiveViewSet(BaseViewSet):
                 "is_draft",
                 "archived_at",
             )
+            datetime_fields = ["created_at", "updated_at"]
+            issues = user_timezone_converter(
+                issue_queryset, datetime_fields, request.user.user_timezone
+            )
+            
         return Response(issues, status=status.HTTP_200_OK)
 
     def retrieve(self, request, slug, project_id, pk=None):

apiserver/plane/app/views/issue/base.py

@@ -50,6 +50,7 @@ from plane.db.models import (
     Project,
 )
 from plane.utils.issue_filters import issue_filters
+from plane.utils.user_timezone_converter import user_timezone_converter
 
 # Module imports
 from .. import BaseAPIView, BaseViewSet, WebhookMixin
@@ -241,6 +242,10 @@ class IssueListEndpoint(BaseAPIView):
                 "is_draft",
                 "archived_at",
             )
+            datetime_fields = ["created_at", "updated_at"]
+            issues = user_timezone_converter(
+                issues, datetime_fields, request.user.user_timezone
+            )
         return Response(issues, status=status.HTTP_200_OK)
 
 
@@ -440,6 +445,10 @@ class IssueViewSet(WebhookMixin, BaseViewSet):
                 "is_draft",
                 "archived_at",
             )
+            datetime_fields = ["created_at", "updated_at"]
+            issues = user_timezone_converter(
+                issue_queryset, datetime_fields, request.user.user_timezone
+            )
         return Response(issues, status=status.HTTP_200_OK)
 
     def create(self, request, slug, project_id):
@@ -503,6 +512,10 @@ class IssueViewSet(WebhookMixin, BaseViewSet):
                 )
                 .first()
             )
+            datetime_fields = ["created_at", "updated_at"]
+            issue = user_timezone_converter(
+                issue, datetime_fields, request.user.user_timezone
+            )
             return Response(issue, status=status.HTTP_201_CREATED)
         return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 

apiserver/plane/app/views/issue/draft.py

@@ -45,6 +45,7 @@ from plane.db.models import (
     Project,
 )
 from plane.utils.issue_filters import issue_filters
+from plane.utils.user_timezone_converter import user_timezone_converter
 
 # Module imports
 from .. import BaseViewSet
@@ -229,6 +230,10 @@ class IssueDraftViewSet(BaseViewSet):
                 "is_draft",
                 "archived_at",
             )
+            datetime_fields = ["created_at", "updated_at"]
+            issues = user_timezone_converter(
+                issue_queryset, datetime_fields, request.user.user_timezone
+            )
         return Response(issues, status=status.HTTP_200_OK)
 
     def create(self, request, slug, project_id):

apiserver/plane/app/views/issue/sub_issue.py

@@ -31,6 +31,7 @@ from plane.db.models import (
     IssueAttachment,
 )
 from plane.bgtasks.issue_activites_task import issue_activity
+from plane.utils.user_timezone_converter import user_timezone_converter
 from collections import defaultdict
 
 
@@ -132,6 +133,10 @@ class SubIssuesEndpoint(BaseAPIView):
             "is_draft",
             "archived_at",
         )
+        datetime_fields = ["created_at", "updated_at"]
+        sub_issues = user_timezone_converter(
+            sub_issues, datetime_fields, request.user.user_timezone
+        )
         return Response(
             {
                 "sub_issues": sub_issues,

apiserver/plane/app/views/module/archive.py

@@ -32,6 +32,8 @@ from plane.db.models import (
     ModuleLink,
 )
 from plane.utils.analytics_plot import burndown_plot
+from plane.utils.user_timezone_converter import user_timezone_converter
+
 
 # Module imports
 from .. import BaseAPIView
@@ -199,6 +201,10 @@ class ModuleArchiveUnarchiveEndpoint(BaseAPIView):
                 "updated_at",
                 "archived_at",
             )
+            datetime_fields = ["created_at", "updated_at"]
+            modules = user_timezone_converter(
+                modules, datetime_fields, request.user.user_timezone
+            )
             return Response(modules, status=status.HTTP_200_OK)
         else:
             queryset = (

apiserver/plane/app/views/module/base.py

@@ -48,6 +48,8 @@ from plane.db.models import (
     Project,
 )
 from plane.utils.analytics_plot import burndown_plot
+from plane.utils.user_timezone_converter import user_timezone_converter
+
 
 # Module imports
 from .. import BaseAPIView, BaseViewSet, WebhookMixin
@@ -236,6 +238,10 @@ class ModuleViewSet(WebhookMixin, BaseViewSet):
                     "updated_at",
                 )
             ).first()
+            datetime_fields = ["created_at", "updated_at"]
+            module = user_timezone_converter(
+                module, datetime_fields, request.user.user_timezone
+            )
             return Response(module, status=status.HTTP_201_CREATED)
         return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 
@@ -277,6 +283,10 @@ class ModuleViewSet(WebhookMixin, BaseViewSet):
                 "created_at",
                 "updated_at",
             )
+            datetime_fields = ["created_at", "updated_at"]
+            modules = user_timezone_converter(
+                modules, datetime_fields, request.user.user_timezone
+            )
         return Response(modules, status=status.HTTP_200_OK)
 
     def retrieve(self, request, slug, project_id, pk):
@@ -454,6 +464,10 @@ class ModuleViewSet(WebhookMixin, BaseViewSet):
                 "created_at",
                 "updated_at",
             ).first()
+            datetime_fields = ["created_at", "updated_at"]
+            module = user_timezone_converter(
+                module, datetime_fields, request.user.user_timezone
+            )
             return Response(module, status=status.HTTP_200_OK)
         return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 

apiserver/plane/app/views/module/issue.py

@@ -31,7 +31,7 @@ from plane.db.models import (
 )
 from plane.bgtasks.issue_activites_task import issue_activity
 from plane.utils.issue_filters import issue_filters
-
+from plane.utils.user_timezone_converter import user_timezone_converter
 
 class ModuleIssueViewSet(WebhookMixin, BaseViewSet):
     serializer_class = ModuleIssueSerializer
@@ -150,6 +150,11 @@ class ModuleIssueViewSet(WebhookMixin, BaseViewSet):
                 "is_draft",
                 "archived_at",
             )
+            datetime_fields = ["created_at", "updated_at"]
+            issues = user_timezone_converter(
+                issues, datetime_fields, request.user.user_timezone
+            )
+
         return Response(issues, status=status.HTTP_200_OK)
 
     # create multiple issues inside a module

apiserver/plane/app/views/view/base.py

@@ -42,7 +42,7 @@ from plane.db.models import (
     IssueAttachment,
 )
 from plane.utils.issue_filters import issue_filters
-
+from plane.utils.user_timezone_converter import user_timezone_converter
 
 class GlobalViewViewSet(BaseViewSet):
     serializer_class = IssueViewSerializer
@@ -255,6 +255,10 @@ class GlobalViewIssuesViewSet(BaseViewSet):
                 "is_draft",
                 "archived_at",
             )
+            datetime_fields = ["created_at", "updated_at"]
+            issues = user_timezone_converter(
+                issues, datetime_fields, request.user.user_timezone
+            )
         return Response(issues, status=status.HTTP_200_OK)
 
 

apiserver/plane/utils/user_timezone_converter.py

@@ -0,0 +1,25 @@
+import pytz
+
+def user_timezone_converter(queryset, datetime_fields, user_timezone):
+    # Create a timezone object for the user's timezone
+    user_tz = pytz.timezone(user_timezone)
+
+    # Check if queryset is a dictionary (single item) or a list of dictionaries
+    if isinstance(queryset, dict):
+        queryset_values = [queryset]
+    else:
+        queryset_values = list(queryset.values())
+
+    # Iterate over the dictionaries in the list
+    for item in queryset_values:
+        # Iterate over the datetime fields
+        for field in datetime_fields:
+            # Convert the datetime field to the user's timezone
+            if item[field]:
+                item[field] = item[field].astimezone(user_tz)
+
+    # If queryset was a single item, return a single item
+    if isinstance(queryset, dict):
+        return queryset_values[0]
+    else:
+        return queryset_values