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from djangorestframework import status
from djangorestframework.response import Response
class MetadataMixin(object):
"""
Should be mixed in with any `BaseView`.
"""
def metadata(self, request, *args, **kwargs):
content = {
'name': self.get_name(),
'description': self.get_description(),
'renders': self._rendered_media_types,
'parses': self._parsed_media_types,
}
# TODO: Add 'fields', from serializer info.
# form = self.get_bound_form()
# if form is not None:
# field_name_types = {}
# for name, field in form.fields.iteritems():
# field_name_types[name] = field.__class__.__name__
# content['fields'] = field_name_types
raise Response(content, status=status.HTTP_200_OK)
class CreateModelMixin(object):
"""
Create a model instance.
Should be mixed in with any `BaseView`.
"""
def create(self, request, *args, **kwargs):
serializer = self.get_serializer(data=request.DATA)
if serializer.is_valid():
self.object = serializer.object
self.object.save()
return Response(serializer.data, status=status.HTTP_201_CREATED)
return Response(serializer.error_data, status=status.HTTP_400_BAD_REQUEST)
class ListModelMixin(object):
"""
List a queryset.
Should be mixed in with `MultipleObjectBaseView`.
"""
def list(self, request, *args, **kwargs):
self.object_list = self.get_queryset()
serializer = self.get_serializer(instance=self.object_list)
return Response(serializer.data)
class RetrieveModelMixin(object):
"""
Retrieve a model instance.
Should be mixed in with `SingleObjectBaseView`.
"""
def retrieve(self, request, *args, **kwargs):
self.object = self.get_object()
serializer = self.get_serializer(instance=self.object)
return Response(serializer.data)
class UpdateModelMixin(object):
"""
Update a model instance.
Should be mixed in with `SingleObjectBaseView`.
"""
def update(self, request, *args, **kwargs):
self.object = self.get_object()
serializer = self.get_serializer(data=request.DATA, instance=self.object)
if serializer.is_valid():
self.object = serializer.object
self.object.save()
return Response(serializer.data)
return Response(serializer.error_data, status=status.HTTP_400_BAD_REQUEST)
class DestroyModelMixin(object):
"""
Destroy a model instance.
Should be mixed in with `SingleObjectBaseView`.
"""
def destroy(self, request, *args, **kwargs):
self.object = self.get_object()
self.object.delete()
return Response(status=status.HTTP_204_NO_CONTENT)
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