spaceout/site/api/views.py
2020-12-12 17:52:44 -05:00

74 lines
2.6 KiB
Python

from django.http import HttpResponse
from django.views.generic import View
from django.db import Error, OperationalError
from psycopg2 import errorcodes
from functools import wraps
from rest_framework import status
from .serializers import *
import time
from rest_framework.response import Response
from rest_framework.views import APIView
# Create your views here.
def retry_on_exception(view, num_retries=3, on_failure=HttpResponse(status=500), delay_=0.5, backoff_=1.5):
@wraps(view)
def retry(*args, **kwargs):
delay = delay_
for i in range(num_retries):
try:
return view(*args, **kwargs)
except OperationalError as ex:
if i == num_retries - 1:
return on_failure
elif getattr(ex.__cause__, 'pgcode', '') == errorcodes.SERIALIZATION_FAILURE:
time.sleep(delay)
delay *= backoff_
else:
return on_failure
except Error as ex:
return on_failure
return retry
class PingView(View):
def get(self, request, *args, **kwargs):
return HttpResponse("python/django", status=200)
class GetProfile(APIView):
serializer_class = ProfileSerializer
lookup_url_kwarg = 'id'
def get(self, request):
pk = request.GET.get(self.lookup_url_kwarg)
if pk:
profile = User.objects.filter(id=pk)
if profile.exists():
user_profile = Profile.objects.get(user=profile[0])
data = self.serializer_class(user_profile).data
return Response(data, status=status.HTTP_200_OK)
return Response({'Profile Not Found': 'Invalid Profile id.'}, status=status.HTTP_404_NOT_FOUND)
return Response({'Bad Request': 'id parameter not found in request'}, status=status.HTTP_400_BAD_REQUEST)
class CreateUser(APIView):
serializer_class = UserSerializer
def post(self, request, format=None):
username = request.data.get('username')
email = request.data.get('email')
queryset1 = User.objects.filter(username=username)
queryset2 = User.objects.filter(email=email)
if queryset1.exists() or queryset2.exists():
pass
else:
user = User(email=email, username=username, password=request.data.get('password'))
user.save()
profile = Profile(user=user)
profile.save()
return Response(self.serializer_class(user).data, status=status.HTTP_201_CREATED)
return Response({'Bad Request': 'Invalid data'}, status=status.HTTP_400_BAD_REQUEST)