StudE-Backend/stude/student_status/views.py

63 lines
2.5 KiB
Python

from django.shortcuts import get_object_or_404
from requests import Response
from rest_framework import generics, viewsets, exceptions
from rest_framework.permissions import IsAuthenticated
from django.contrib.gis.db.models.functions import Distance
from django.contrib.gis.geos import fromstr
from .models import StudentStatus
from .serializers import StudentStatusLocationSerializer, StudentStatusSerializer
class StudentStatusAPIView(generics.RetrieveUpdateAPIView):
serializer_class = StudentStatusSerializer
permission_classes = [IsAuthenticated]
def get_object(self):
user = self.request.user
queryset = StudentStatus.objects.filter(user=user)
obj = get_object_or_404(queryset)
return obj
class ActiveStudentStatusListAPIView(generics.ListAPIView):
serializer_class = StudentStatusSerializer
permission_classes = [IsAuthenticated]
def get_queryset(self):
user = self.request.user
return StudentStatus.objects.filter(active=True and user != user)
class StudentStatusListByStudentStatusLocation(generics.ListAPIView):
serializer_class = StudentStatusLocationSerializer
permission_classes = [IsAuthenticated]
http_method_names = ['get']
def get_queryset(self):
user = self.request.user
user_status = StudentStatus.objects.filter(user=user).first()
print('User Location: ', user_status.location)
if user_status.location is None:
raise exceptions.ValidationError("User location is not set")
user_location = fromstr(
user_status.location, srid=4326)
return StudentStatus.objects.filter(user != user).filter(subject__in=user.subjects.all()).annotate(distance=Distance('location', user_location)).filter(distance__lte=50)
class StudentStatusListByCurrentLocation(viewsets.ViewSet):
serializer_class = StudentStatusLocationSerializer
permission_classes = [IsAuthenticated]
http_method_names = ['post']
def create(self, request):
user = self.request.user
location_str = request.data.get('location')
if not location_str:
raise exceptions.ValidationError("Location is required")
user_location = fromstr(location_str, srid=4326)
queryset = StudentStatus.objects.filter(user != user).filter(subject__in=user.subjects.all()).annotate(
distance=Distance('location', user_location)).filter(distance__lte=50)
serializer = StudentStatusLocationSerializer(queryset, many=True)
return Response(serializer.data)