TurTaskWeb/backend/tasks/api.py

74 lines
2.8 KiB
Python

from datetime import datetime, timedelta
from django.utils import timezone
from rest_framework import viewsets
from rest_framework.response import Response
from rest_framework.permissions import IsAuthenticated
from tasks.utils import get_service
from tasks.models import Todo, RecurrenceTask
from tasks.serializers import TodoUpdateSerializer, RecurrenceTaskUpdateSerializer
class GoogleCalendarEventViewset(viewsets.ViewSet):
permission_classes = (IsAuthenticated,)
def __init__(self, *args, **kwargs):
super().__init__()
self.current_time = datetime.now(tz=timezone.utc).isoformat()
self.event_fields = 'items(id,summary,description,created,recurringEventId,updated,start,end)'
def _validate_serializer(self, serializer):
if serializer.is_valid():
serializer.save()
return Response("Validate Successfully", status=200)
return Response(serializer.errors, status=400)
def post(self, request):
service = get_service(request)
events = service.events().list(calendarId='primary', fields=self.event_fields).execute()
for event in events.get('items', []):
if event.get('recurringEventId'):
continue
event['start_datetime'] = event.get('start').get('dateTime')
event['end_datetime'] = event.get('end').get('dateTime')
event.pop('start')
event.pop('end')
try:
task = Todo.objects.get(google_calendar_id=event['id'])
serializer = TodoUpdateSerializer(instance=task, data=event)
return self._validate_serializer(serializer)
except Todo.DoesNotExist:
serializer = TodoUpdateSerializer(data=event, user=request.user)
return self._validate_serializer(serializer)
def list(self, request, days=7):
max_time = (datetime.now(tz=timezone.utc) + timedelta(days=days)).isoformat()
service = get_service(request)
events = []
next_page_token = None
while True:
query = service.events().list(
calendarId='primary',
timeMin=self.current_time,
timeMax=max_time,
maxResults=200,
singleEvents=True,
orderBy='startTime',
pageToken=next_page_token,
fields='items(id,summary,description,created,recurringEventId,updated,start,end)',
)
page_results = query.execute()
page_events = page_results.get('items', [])
events.extend(page_events)
next_page_token = page_results.get('nextPageToken')
if next_page_token is None:
break
return Response(events, status=200)