82 lines
2.1 KiB
Python
82 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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from django.db import transaction
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from rest_framework import viewsets
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from rest_framework import status
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from rest_framework import mixins
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from rest_framework.response import Response
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from .pagination import HeadersPaginationMixin, ConditionalPaginationMixin
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class AtomicMixin(object):
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@transaction.atomic
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def post(self, *args, **kwargs):
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return super().post(*args, **kwargs)
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@transaction.atomic
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def delete(self, *args, **kwargs):
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return super().delete(*args, **kwargs)
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@transaction.atomic
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def put(self, *args, **kwargs):
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return super().put(*args, **kwargs)
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@transaction.atomic
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def patch(self, *args, **kwargs):
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return super().patch(*args, **kwargs)
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class DestroyModelMixin(object):
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"""
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Self version of DestroyModelMixin with
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pre_delete hook method.
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"""
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def pre_delete(self, obj):
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pass
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def destroy(self, request, *args, **kwargs):
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obj = self.get_object()
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self.pre_delete(obj)
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obj.delete()
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return Response(status=status.HTTP_204_NO_CONTENT)
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class PreconditionMixin(object):
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def pre_conditions_on_save(self, obj):
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pass
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def pre_conditions_on_delete(self, obj):
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pass
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def pre_save(self, obj):
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super().pre_save(obj)
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self.pre_conditions_on_save(obj)
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def pre_delete(self, obj):
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super().pre_delete(obj)
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self.pre_conditions_on_delete(obj)
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class ModelCrudViewSet(AtomicMixin,
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PreconditionMixin,
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HeadersPaginationMixin,
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ConditionalPaginationMixin,
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mixins.CreateModelMixin,
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mixins.RetrieveModelMixin,
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mixins.UpdateModelMixin,
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DestroyModelMixin,
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mixins.ListModelMixin,
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viewsets.GenericViewSet):
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pass
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class ModelListViewSet(AtomicMixin,
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PreconditionMixin,
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HeadersPaginationMixin,
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ConditionalPaginationMixin,
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viewsets.ReadOnlyModelViewSet):
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pass
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