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feat(cache): add targeted server-side response caching

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This commit is contained in:
Amirhossein Khalili
2026-04-30 16:13:12 +03:30
parent 08e1793765
commit 054bb5a582
8 changed files with 432 additions and 16 deletions
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40
apps/reports/api/views.py
View File

@@ -23,6 +23,10 @@ from apps.reports.services import (
load_report_filters,
)
from apps.reports.tasks import generate_report_export_task
from core.services.cache import CACHE_NAMESPACE_REPORTS, get_or_set_cache_payload
REPORT_CACHE_TTL_SECONDS = 90
class ReportChartView(APIView):
@@ -30,7 +34,17 @@ class ReportChartView(APIView):
@extend_schema(responses=dict)
def get(self, request):
return Response(build_chart_report(request.user, request.query_params))
workspace_id = request.query_params.get("workspace")
payload = get_or_set_cache_payload(
CACHE_NAMESPACE_REPORTS,
ttl_seconds=REPORT_CACHE_TTL_SECONDS,
builder=lambda: build_chart_report(request.user, request.query_params),
resource="chart",
user_id=request.user.id,
workspace_id=workspace_id,
params=request.query_params,
)
return Response(payload)
class ReportTableView(APIView):
@@ -38,7 +52,17 @@ class ReportTableView(APIView):
@extend_schema(responses=dict)
def get(self, request):
return Response(build_table_report(request.user, request.query_params))
workspace_id = request.query_params.get("workspace")
payload = get_or_set_cache_payload(
CACHE_NAMESPACE_REPORTS,
ttl_seconds=REPORT_CACHE_TTL_SECONDS,
builder=lambda: build_table_report(request.user, request.query_params),
resource="table",
user_id=request.user.id,
workspace_id=workspace_id,
params=request.query_params,
)
return Response(payload)
class ReportDayDetailsView(APIView):
@@ -46,7 +70,17 @@ class ReportDayDetailsView(APIView):
@extend_schema(responses=dict)
def get(self, request):
return Response(build_day_details_report(request.user, request.query_params))
workspace_id = request.query_params.get("workspace")
payload = get_or_set_cache_payload(
CACHE_NAMESPACE_REPORTS,
ttl_seconds=REPORT_CACHE_TTL_SECONDS,
builder=lambda: build_day_details_report(request.user, request.query_params),
resource="day-details",
user_id=request.user.id,
workspace_id=workspace_id,
params=request.query_params,
)
return Response(payload)
class ReportExportJobViewSet(

28
apps/reports/tests/test_views.py
View File

@@ -2,6 +2,7 @@ from datetime import date, timedelta
from decimal import Decimal
from unittest.mock import patch
from django.core.cache import cache
from rest_framework.test import APITestCase
from apps.clients.models import Client
@@ -82,6 +83,9 @@ class ReportViewTests(APITestCase):
)
entry_member.tags.add(cls.tag)
def setUp(self):
cache.clear()
def test_member_only_sees_own_chart_report(self):
self.client.force_authenticate(user=self.member)
@@ -208,3 +212,27 @@ class ReportViewTests(APITestCase):
self.assertEqual(response.status_code, 200)
self.assertEqual(response.data["summary"]["total_duration"], "02:00:00")
self.assertEqual(response.data["scope"]["from_date"], "2026-04-21")
def test_table_report_cache_stays_until_time_entry_invalidation(self):
self.client.force_authenticate(user=self.owner)
url = "/api/reports/table/"
params = {"workspace": str(self.workspace.id), "period": "this_month"}
first_response = self.client.get(url, params)
self.assertEqual(first_response.status_code, 200)
self.assertEqual(first_response.data["summary"]["total_duration"], "03:00:00")
member_entry = TimeEntry.objects.get(description="Member work")
TimeEntry.objects.filter(id=member_entry.id).update(duration=timedelta(hours=5))
cached_response = self.client.get(url, params)
self.assertEqual(cached_response.status_code, 200)
self.assertEqual(cached_response.data["summary"]["total_duration"], "03:00:00")
member_entry.refresh_from_db()
member_entry.description = "Member work updated"
member_entry.save(update_fields=["description"])
fresh_response = self.client.get(url, params)
self.assertEqual(fresh_response.status_code, 200)
self.assertEqual(fresh_response.data["summary"]["total_duration"], "07:00:00")

44
apps/workspaces/api/views.py
View File

@@ -42,6 +42,17 @@ from apps.workspaces.services import (
update_workspace_user_rate,
)
from core.paginations.limit_offset import CustomLimitOffsetPagination
from core.services.cache import (
CACHE_NAMESPACE_PRICE_UNITS,
CACHE_NAMESPACE_WORKSPACE_MEMBERSHIPS,
CACHE_NAMESPACE_WORKSPACE_RATES,
get_namespace_version,
get_or_set_cache_payload,
)
REFERENCE_CACHE_TTL_SECONDS = 60 * 5
PRICE_UNITS_CACHE_TTL_SECONDS = 60 * 60
class WorkspaceViewSet(ModelViewSet):
@@ -129,7 +140,15 @@ class WorkspaceMembershipViewSet(ModelViewSet):
status=status.HTTP_403_FORBIDDEN,
)
return super().list(request, *args, **kwargs)
payload = get_or_set_cache_payload(
CACHE_NAMESPACE_WORKSPACE_MEMBERSHIPS,
ttl_seconds=REFERENCE_CACHE_TTL_SECONDS,
builder=lambda: super(WorkspaceMembershipViewSet, self).list(request, *args, **kwargs).data,
user_id=request.user.id,
workspace_id=workspace_id,
params=request.query_params,
)
return Response(payload)
def create(self, request, *args, **kwargs):
"""
@@ -271,6 +290,16 @@ class PriceUnitViewSet(ModelViewSet):
def get_queryset(self):
return PriceUnit.objects.filter(is_deleted=False)
def list(self, request, *args, **kwargs):
payload = get_or_set_cache_payload(
CACHE_NAMESPACE_PRICE_UNITS,
ttl_seconds=PRICE_UNITS_CACHE_TTL_SECONDS,
builder=lambda: super(PriceUnitViewSet, self).list(request, *args, **kwargs).data,
user_id=request.user.id,
params=request.query_params,
)
return Response(payload)
class WorkspaceUserRateViewSet(ModelViewSet):
serializer_class = WorkspaceUserRateSerializer
@@ -310,7 +339,18 @@ class WorkspaceUserRateViewSet(ModelViewSet):
)
workspace = get_object_or_404(Workspace, id=workspace_id, is_deleted=False)
self._ensure_manage_access(request.user, workspace)
return super().list(request, *args, **kwargs)
payload = get_or_set_cache_payload(
CACHE_NAMESPACE_WORKSPACE_RATES,
ttl_seconds=REFERENCE_CACHE_TTL_SECONDS,
builder=lambda: super(WorkspaceUserRateViewSet, self).list(request, *args, **kwargs).data,
user_id=request.user.id,
workspace_id=workspace_id,
params=request.query_params,
extra_versions={
CACHE_NAMESPACE_PRICE_UNITS: get_namespace_version(CACHE_NAMESPACE_PRICE_UNITS),
},
)
return Response(payload)
def create(self, request, *args, **kwargs):
serializer = self.get_serializer(data=request.data)

96
apps/workspaces/signals.py
View File

@@ -1,14 +1,88 @@
from django.db.models.signals import post_save
from django.dispatch import receiver
from apps.workspaces.models import Workspace, WorkspaceMembership
from django.db.models.signals import m2m_changed, post_delete, post_save
from django.dispatch import receiver
from apps.clients.models import Client
from apps.projects.models import Project, ProjectRate, ProjectUserRate
from apps.tags.models import Tag
from apps.time_entries.models import TimeEntry
from apps.workspaces.models import Workspace, WorkspaceMembership
from apps.workspaces.models import PriceUnit, WorkspaceUserRate
from core.services.cache import (
CACHE_NAMESPACE_PRICE_UNITS,
CACHE_NAMESPACE_REPORTS,
CACHE_NAMESPACE_WORKSPACE_MEMBERSHIPS,
CACHE_NAMESPACE_WORKSPACE_RATES,
bump_namespace_version,
)
@receiver(post_save, sender=Workspace)
def create_owner_membership(sender, instance, created, **kwargs):
if created:
WorkspaceMembership.objects.create(
workspace=instance,
user=instance.owner,
role=WorkspaceMembership.Role.OWNER,
)
def create_owner_membership(sender, instance, created, **kwargs):
if created:
WorkspaceMembership.objects.create(
workspace=instance,
user=instance.owner,
role=WorkspaceMembership.Role.OWNER,
)
def _bump_workspace_reports(instance):
workspace_id = getattr(instance, "workspace_id", None)
if not workspace_id and hasattr(instance, "project"):
workspace_id = getattr(instance.project, "workspace_id", None)
if workspace_id:
bump_namespace_version(CACHE_NAMESPACE_REPORTS, str(workspace_id))
def _bump_workspace_memberships(instance):
workspace_id = getattr(instance, "workspace_id", None)
if workspace_id:
bump_namespace_version(CACHE_NAMESPACE_WORKSPACE_MEMBERSHIPS, str(workspace_id))
def _bump_workspace_rates(instance):
workspace_id = getattr(instance, "workspace_id", None)
if workspace_id:
bump_namespace_version(CACHE_NAMESPACE_WORKSPACE_RATES, str(workspace_id))
@receiver(post_save, sender=TimeEntry)
@receiver(post_delete, sender=TimeEntry)
@receiver(post_save, sender=Project)
@receiver(post_delete, sender=Project)
@receiver(post_save, sender=Client)
@receiver(post_delete, sender=Client)
@receiver(post_save, sender=Tag)
@receiver(post_delete, sender=Tag)
@receiver(post_save, sender=ProjectRate)
@receiver(post_delete, sender=ProjectRate)
@receiver(post_save, sender=ProjectUserRate)
@receiver(post_delete, sender=ProjectUserRate)
def invalidate_workspace_report_cache(sender, instance, **kwargs):
_bump_workspace_reports(instance)
@receiver(m2m_changed, sender=TimeEntry.tags.through)
def invalidate_workspace_report_cache_for_tags(sender, instance, action, **kwargs):
if action in {"post_add", "post_remove", "post_clear"}:
_bump_workspace_reports(instance)
@receiver(post_save, sender=WorkspaceMembership)
@receiver(post_delete, sender=WorkspaceMembership)
def invalidate_workspace_membership_caches(sender, instance, **kwargs):
_bump_workspace_memberships(instance)
_bump_workspace_reports(instance)
@receiver(post_save, sender=WorkspaceUserRate)
@receiver(post_delete, sender=WorkspaceUserRate)
def invalidate_workspace_rate_caches(sender, instance, **kwargs):
_bump_workspace_rates(instance)
_bump_workspace_reports(instance)
@receiver(post_save, sender=PriceUnit)
@receiver(post_delete, sender=PriceUnit)
def invalidate_price_unit_cache(sender, instance, **kwargs):
bump_namespace_version(CACHE_NAMESPACE_PRICE_UNITS)

45
apps/workspaces/tests/test_api_permissions.py
View File

@@ -1,6 +1,8 @@
from types import SimpleNamespace
from django.core.cache import cache
from django.test import TestCase
from rest_framework.test import APITestCase
from apps.users.models import User
from apps.workspaces.api.permissions import (
@@ -144,3 +146,46 @@ class WorkspacePermissionTests(TestCase):
object(),
)
)
class WorkspaceMembershipCacheTests(APITestCase):
@classmethod
def setUpTestData(cls):
cls.owner = User.objects.create_user(mobile="09127770031", password="secret123")
cls.member = User.objects.create_user(mobile="09127770032", password="secret123")
cls.workspace = Workspace.objects.create(name="Membership Cache", owner=cls.owner)
cls.membership = WorkspaceMembership.objects.create(
workspace=cls.workspace,
user=cls.member,
role=WorkspaceMembership.Role.MEMBER,
is_active=True,
)
def setUp(self):
cache.clear()
self.client.force_authenticate(user=self.owner)
def test_membership_list_cache_invalidates_after_membership_save(self):
params = {"workspace": str(self.workspace.id)}
first_response = self.client.get("/api/workspace-memberships/", params)
self.assertEqual(first_response.status_code, 200)
target = next(item for item in first_response.data["items"] if item["id"] == str(self.membership.id))
self.assertEqual(target["role"], WorkspaceMembership.Role.MEMBER)
WorkspaceMembership.objects.filter(id=self.membership.id).update(role=WorkspaceMembership.Role.GUEST)
cached_response = self.client.get("/api/workspace-memberships/", params)
self.assertEqual(cached_response.status_code, 200)
target = next(item for item in cached_response.data["items"] if item["id"] == str(self.membership.id))
self.assertEqual(target["role"], WorkspaceMembership.Role.MEMBER)
self.membership.refresh_from_db()
self.membership.is_active = False
self.membership.save(update_fields=["is_active"])
fresh_response = self.client.get("/api/workspace-memberships/", params)
self.assertEqual(fresh_response.status_code, 200)
target = next(item for item in fresh_response.data["items"] if item["id"] == str(self.membership.id))
self.assertEqual(target["role"], WorkspaceMembership.Role.GUEST)
self.assertFalse(target["is_active"])

70
apps/workspaces/tests/test_rates.py
View File

@@ -1,5 +1,6 @@
from decimal import Decimal
from django.core.cache import cache
from django.test import TestCase
from rest_framework.test import APITestCase
@@ -53,6 +54,9 @@ class WorkspaceRateTests(APITestCase):
symbol="EUR",
)
def setUp(self):
cache.clear()
def test_resolve_rate_uses_workspace_user_rate(self):
WorkspaceUserRate.objects.create(
workspace=self.workspace,
@@ -122,6 +126,72 @@ class WorkspaceRateTests(APITestCase):
self.assertEqual(response.status_code, 403)
def test_workspace_user_rates_cache_invalidates_after_rate_save(self):
rate = WorkspaceUserRate.objects.create(
workspace=self.workspace,
user=self.member,
hourly_rate=Decimal("30.00"),
currency="USD",
effective_from=self.workspace.created_at,
is_active=True,
)
self.client.force_authenticate(user=self.admin)
first_response = self.client.get(
"/api/workspace-user-rates/",
{"workspace": str(self.workspace.id)},
)
self.assertEqual(first_response.status_code, 200)
self.assertEqual(first_response.data["items"][0]["hourly_rate"], "30.00")
WorkspaceUserRate.objects.filter(id=rate.id).update(hourly_rate=Decimal("45.00"))
cached_response = self.client.get(
"/api/workspace-user-rates/",
{"workspace": str(self.workspace.id)},
)
self.assertEqual(cached_response.status_code, 200)
self.assertEqual(cached_response.data["items"][0]["hourly_rate"], "30.00")
rate.refresh_from_db()
rate.currency = "EUR"
rate.save(update_fields=["currency"])
fresh_response = self.client.get(
"/api/workspace-user-rates/",
{"workspace": str(self.workspace.id)},
)
self.assertEqual(fresh_response.status_code, 200)
self.assertEqual(fresh_response.data["items"][0]["hourly_rate"], "45.00")
self.assertEqual(fresh_response.data["items"][0]["currency"], "EUR")
def test_price_unit_cache_invalidates_after_price_unit_create(self):
self.client.force_authenticate(user=self.owner)
first_response = self.client.get("/api/price-units/")
self.assertEqual(first_response.status_code, 200)
self.assertEqual(first_response.data[0]["name"], "Euro")
self.assertEqual(len(first_response.data), 2)
PriceUnit.objects.filter(code="EUR").update(name="Updated Euro")
cached_response = self.client.get("/api/price-units/")
self.assertEqual(cached_response.status_code, 200)
self.assertEqual(cached_response.data[0]["name"], "Euro")
PriceUnit.objects.create(
code="GBP",
name="British Pound",
local_name="Pound",
symbol="£",
)
fresh_response = self.client.get("/api/price-units/")
self.assertEqual(fresh_response.status_code, 200)
self.assertEqual(len(fresh_response.data), 3)
euro_row = next(item for item in fresh_response.data if item["code"] == "EUR")
self.assertEqual(euro_row["name"], "Updated Euro")
class WorkspaceRateServiceTests(TestCase):
@classmethod