join-api/task_app/views.py

118 lines
No EOL
4.7 KiB
Python

from rest_framework import viewsets
from rest_framework.response import Response
from rest_framework import status
from .models import Task, SubTask, AssignedTask
from .serializers import TaskSerializer, SubTaskSerializer, AssignedTaskSerializer
from rest_framework.decorators import action
from .caching import get_cached_task_by_id
from django.core.cache import cache
from .choices import TaskStatus
from rest_framework.permissions import IsAuthenticated
from .services import create_or_update_subtasks, create_or_update_assignees, assign_users_to_task, create_subtasks
class TaskViewSet(viewsets.ModelViewSet):
permission_classes = [IsAuthenticated]
queryset = Task.objects.all()
serializer_class = TaskSerializer
def retrieve(self, request, pk=None):
task = get_cached_task_by_id(pk)
if not task:
return Response({'error': 'Task not found.'}, status=status.HTTP_404_NOT_FOUND)
serializer = self.get_serializer(task)
return Response(serializer.data)
def create(self, request, *args, **kwargs):
serializer = self.get_serializer(data=request.data)
if not serializer.is_valid():
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
task = serializer.save()
assign_users_to_task(request.data.get('assignees', []), task)
subtasks_data = request.data.get("subtasks", [])
if subtasks_data:
create_subtasks(subtasks_data, task)
cache.delete(f"task_{task.id}")
return Response(serializer.data, status=status.HTTP_201_CREATED)
def update(self, request, *args, **kwargs):
task = self.get_object()
serializer = self.get_serializer(task, data=request.data, partial=True)
if not serializer.is_valid():
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
task = serializer.save()
assignees_data = request.data.get('assignees', [])
create_or_update_assignees(assignees_data, task)
subtasks_data = request.data.get('subtasks', [])
create_or_update_subtasks(subtasks_data, task)
cache.delete(f"task_{task.id}")
return Response(serializer.data, status=status.HTTP_200_OK)
def destroy(self, request, pk=None):
try:
task = Task.objects.get(pk=pk)
task.delete()
cache.delete(f"task_{pk}")
return Response({'message': 'Task deleted successfully.'}, status=status.HTTP_204_NO_CONTENT)
except Task.DoesNotExist:
return Response({'error': 'Task not found.'}, status=status.HTTP_404_NOT_FOUND)
@action(detail=True, methods=['patch'])
def update_status(self, request, pk=None):
task = self.get_object()
new_status = request.data.get('status')
if not new_status:
return Response({'error': 'Status is required.'}, status=status.HTTP_400_BAD_REQUEST)
valid_statuses = [choice[0] for choice in TaskStatus.choices]
if new_status not in valid_statuses:
return Response({'error': f'Invalid status. Valid statuses: {valid_statuses}'}, status=status.HTTP_400_BAD_REQUEST)
cache.delete(f"task_{task.id}")
task.status = new_status
task.save()
return Response({'status': 'Status updated.'})
@action(detail=True, methods=['patch'], url_path='update_subtask')
def update_subtask(self, request, pk=None):
task = self.get_object()
subtask_id = request.data.get("subtask_id")
subtask_title = request.data.get("subtask_title")
subtask_status = request.data.get("subtask_status")
if not subtask_id:
return Response({"error": "Subtask ID is required."}, status=status.HTTP_400_BAD_REQUEST)
subtask = SubTask.objects.filter(task=task, id=subtask_id).first()
if not subtask:
return Response({"error": "Subtask not found."}, status=status.HTTP_404_NOT_FOUND)
if subtask_status not in [True, False]:
return Response({'error': 'Invalid subtask status. It must be true or false.'}, status=status.HTTP_400_BAD_REQUEST)
if subtask_title:
subtask.title = subtask_title
if subtask_status not in [None]:
subtask.status = subtask_status
subtask.save()
return Response(SubTaskSerializer(subtask).data, status=status.HTTP_200_OK)
class SubTaskViewSet(viewsets.ModelViewSet):
permission_classes = [IsAuthenticated]
queryset = SubTask.objects.all()
serializer_class = SubTaskSerializer
class AssignedTaskViewSet(viewsets.ModelViewSet):
permission_classes = [IsAuthenticated]
queryset = AssignedTask.objects.all()
serializer_class = AssignedTaskSerializer