DRF_Template/backend/accounts/views.py

120 lines
4.3 KiB
Python

from accounts import serializers
from accounts.models import CustomUser
from django.contrib.auth.tokens import default_token_generator
from django.core.cache import cache
from djoser import signals
from djoser.compat import get_user_email
from djoser.conf import settings
from djoser.views import UserViewSet as DjoserUserViewSet
from rest_framework import status
from rest_framework.decorators import action
from rest_framework.permissions import IsAuthenticated
from rest_framework.response import Response
class CustomUserViewSet(DjoserUserViewSet):
queryset = CustomUser.objects.all()
serializer_class = serializers.CustomUserSerializer
permission_classes = settings.PERMISSIONS.activation
token_generator = default_token_generator
def get_queryset(self):
user = self.request.user
# If user is admin, show all active users
if user.is_superuser:
key = "users"
# Get cache
queryset = cache.get(key)
# Set cache if stale or does not exist
if not queryset:
queryset = CustomUser.objects.filter(is_active=True)
cache.set(key, queryset, 60 * 60)
return queryset
elif not user.user_group:
key = f"user:{user.id}"
queryset = cache.get(key)
if not queryset:
queryset = CustomUser.objects.filter(is_active=True)
cache.set(key, queryset, 60 * 60)
return queryset
elif user.user_group:
key = f"usergroup_users:{user.user_group.id}"
queryset = cache.get(key)
if not queryset:
queryset = CustomUser.objects.filter(
user_group=user.user_group)
cache.set(key, queryset, 60 * 60)
return queryset
else:
return CustomUser.objects.none()
def perform_update(self, serializer, *args, **kwargs):
user = self.request.user
# Clear cache
cache.delete(f"users")
cache.delete(f"user:{user.id}")
if user.user_group:
cache.delete(f"usergroup_users:{user.user_group.id}")
super().perform_update(serializer, *args, **kwargs)
user = serializer.instance
signals.user_updated.send(
sender=self.__class__, user=user, request=self.request
)
if settings.SEND_ACTIVATION_EMAIL and not user.is_active:
context = {"user": user}
to = [get_user_email(user)]
settings.EMAIL.activation(self.request, context).send(to)
def perform_create(self, serializer, *args, **kwargs):
user = serializer.save(*args, **kwargs)
# Silently error out if email sending fails
try:
signals.user_registered.send(
sender=self.__class__, user=user, request=self.request
)
context = {"user": user}
to = [get_user_email(user)]
if settings.SEND_ACTIVATION_EMAIL:
settings.EMAIL.activation(self.request, context).send(to)
elif settings.SEND_CONFIRMATION_EMAIL:
settings.EMAIL.confirmation(self.request, context).send(to)
# Clear cache
cache.delete("users")
cache.delete(f"user:{user.id}")
if user.user_group:
cache.delete(f"usergroup_users:{user.user_group.id}")
except Exception as e:
print("Warning: Unable to send email")
print(e)
@action(
methods=["post"], detail=False, url_path="activation", url_name="activation"
)
def activation(self, request, *args, **kwargs):
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
user = serializer.user
user.is_active = True
user.save()
# Construct a response with user's first name, last name, and email
user_data = {
"first_name": user.first_name,
"last_name": user.last_name,
"email": user.email,
"username": user.username,
}
# Clear cache
cache.delete("users")
cache.delete(f"user:{user.id}")
if user.user_group:
cache.delete(f"usergroup_users:{user.user_group.id}")
return Response(user_data, status=status.HTTP_200_OK)