backend/image_markuper/dicom/api/views.py

137 lines
4.7 KiB
Python

from drf_spectacular.utils import extend_schema
from rest_framework import generics, status
from rest_framework.exceptions import ValidationError
from rest_framework.generics import GenericAPIView, get_object_or_404
from rest_framework.parsers import FormParser, MultiPartParser
from rest_framework.response import Response
from ..models import Circle, Dicom, Roi
from ..services import process_files
from .serializers import (
BaseShapeLayerSerializer,
BaseShapeSerializer,
CircleSerializer,
DicomSerializer,
ListDicomSerializer,
RoiSerializer,
SmartFileUploadSerializer,
create_coordinate,
)
class ListCreateDicomApi(generics.ListCreateAPIView):
serializer_class = ListDicomSerializer
parser_classes = [MultiPartParser, FormParser]
def get_queryset(self):
return Dicom.objects.filter(user=self.request.user)
class RetrieveUpdateDeleteDicomApi(generics.RetrieveUpdateDestroyAPIView):
def get_queryset(self):
return Dicom.objects.filter(user=self.request.user)
serializer_class = DicomSerializer
parser_classes = [MultiPartParser, FormParser]
lookup_field = "slug"
class CreateRoiApi(generics.CreateAPIView):
serializer_class = RoiSerializer
class CreateCircleApi(generics.CreateAPIView):
serializer_class = CircleSerializer
class RetrieveUpdateDeleteRoiApi(generics.RetrieveUpdateDestroyAPIView):
serializer_class = RoiSerializer
def get_object(self):
return get_object_or_404(Roi, id=self.request.parser_context["kwargs"]["id"])
@extend_schema(description="Note: coordinated are dropped on update")
def put(self, request, *args, **kwargs):
return self.update(request, *args, **kwargs)
@extend_schema(description="Note: coordinated are dropped on update")
def patch(self, request, *args, **kwargs):
return self.partial_update(request, *args, **kwargs)
class RetrieveUpdateDeleteCircleApi(generics.RetrieveUpdateDestroyAPIView):
serializer_class = CircleSerializer
def get_object(self):
return get_object_or_404(Circle, id=self.request.parser_context["kwargs"]["id"])
@extend_schema(description="Note: coordinated are dropped on update")
def patch(self, request, *args, **kwargs):
return self.partial_update(request, *args, **kwargs)
@extend_schema(description="Note: coordinated are dropped on update")
def put(self, request, *args, **kwargs):
return self.update(request, *args, **kwargs)
class SmartFileUploadApi(GenericAPIView):
parser_classes = [MultiPartParser, FormParser]
serializer_class = SmartFileUploadSerializer
@extend_schema(responses={201: DicomSerializer(many=True)})
def post(self, request):
if "file" not in request.data:
raise ValidationError("no files")
d_list = process_files(request.FILES.getlist("file"), request.user)
return Response(
DicomSerializer(d_list.files.all(), many=True).data,
status=status.HTTP_201_CREATED,
)
class ListUpdateDicomImageNumberApi(GenericAPIView):
serializer_class = BaseShapeSerializer(many=True)
@extend_schema(
request=None,
responses={200: BaseShapeSerializer(many=True)},
operation_id="get_dicom_layer",
)
def get(self, request, slug, layer):
shapes = [
x.serialize_self_without_layer()
for x in get_object_or_404(Dicom, slug=slug).shapes.filter(
image_number=layer
)
]
return Response(shapes, status=status.HTTP_200_OK)
@extend_schema(
request=BaseShapeLayerSerializer(many=True),
responses={201: DicomSerializer},
operation_id="update_dicom_layer",
)
def put(self, request, slug, layer):
dicom = get_object_or_404(Dicom, slug=slug)
dicom.shapes.filter(image_number=layer).delete()
serializer = BaseShapeLayerSerializer(data=request.data, many=True)
serializer.is_valid(raise_exception=True)
for shape in serializer.data:
if shape["type"] == "circle":
obj = Circle.objects.create(
dicom=dicom, image_number=layer, radius=shape["radius"]
)
if len(shape["coordinates"]) > 1:
raise ValidationError
elif shape["type"] == "roi":
obj = Roi.objects.create(dicom=dicom, image_number=layer)
create_coordinate(shape["coordinates"], obj)
shapes = [
x.serialize_self_without_layer()
for x in get_object_or_404(Dicom, slug=slug).shapes.filter(
image_number=layer
)
]
return Response(shapes, status=status.HTTP_200_OK)