[英]django-rest-framework how to make model serializer fields required
[英]How to expose model methods to django-rest-framework
我有一個模型WeddingInvite,它有一個拒絕和接受邀請的方法,如下所示:
class WeddingInvite(models.Model):
from_user=models.ForeignKey(User,related_name="person_inviting")
to_user=models.ForeignKey(User,related_name="person_invited")
wedding=models.ForeignKey(Wedding,related_name="wedding_invite")
status=models.IntegerField(choices=CHOICES)
def accept(self):
attending=Attending(attendant=to_user,wedding=Wedding)
attendant.save()
self.status=1
self.save()
notification.send([self.to_user],"invite_accepted",{"invitation":self})
def decline(self):
self.status=2
self.save()
如何將方法公開給視圖或序列化程序,以便人們可以通過django-rest-framework接受或拒絕它,以便它可以作為json傳遞? 這是序列化器和視圖:
class WeddingInviteList(generics.ListCreateAPIView):
serializer_class=WeddingInviteSerializer
def list(self,request,*args,**kwargs):
wedding_invites=[]
invited=request.user
qs=WeddingInvite.objects.filter(Q(to_user=invited))
for invite in qs:
wedding_invites.append({invite.from_user,"invited you to a wedding ",invite.wedding})
return Response(wedding_invites)
class WeddingInviteSerializer(serializers.ModelSerializer):
class Meta:
model=WeddingInvite
如何在視圖或序列化程序中啟用接受和拒絕方法?
編輯:我意識到有一個序列化方法字段,但它返回一個值。 我不知道是否可以使用這個,因為我的方法與此示例序列化器方法字段不同
關於這種或任何其他方式的正確方向的一點將是非常有幫助的。
下面未經測試的代碼,這是我可能采取的方法。
對於序列化器:
class WeddingInviteResponseSerializer(serializers.Serializer):
response = serializers.BooleanField(required=True)
對於您的視圖,您可以隨意添加更多驗證方法和用戶檢查。
from django.http import Http404
from rest_framework.views import APIView
from .models import WeddingInvite
from .serializers import WeddingInviteResponseSerializer
class WeddingInviteResponseView(APIView):
serializer_class = WeddingInviteResponseSerializer
def get_object(self, pk):
try:
return WeddingInvite.objects.get(pk=pk)
except WeddingInvite.DoesNotExist():
raise Http404
def post(self, request, pk):
serializer = self.serializer_class(data=request.DATA)
if serializer.is_valid():
response = serializer.data['response']
invite = self.get_object(pk)
if response.accept:
invite.accept()
return Response({'success': "Wedding Invited accepted"}) status=status.HTTP_200_OK)
else:
invite.decline()
return Response({'success': "Wedding Invited declined"}) status=status.HTTP_200_OK)
else:
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
最后,只需在您的網址中公開以下結束點:
url(r'^invite/(?P<pk>\d+)/response$', WeddingInviteResponseView.as_view(), name='wedding-invite-response')
希望這有助於指出你正確的方向。
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