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65 lines
2.0 KiB
65 lines
2.0 KiB
# -*- coding: utf-8 -*-
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#
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from django.http import JsonResponse
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from rest_framework.settings import api_settings
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from common.drf.filters import IDSpmFilter, CustomFilter
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__all__ = [
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"JSONResponseMixin", "CommonApiMixin",
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"IDSpmFilterMixin",
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]
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class JSONResponseMixin(object):
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"""JSON mixin"""
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@staticmethod
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def render_json_response(context):
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return JsonResponse(context)
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class IDSpmFilterMixin:
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def get_filter_backends(self):
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backends = super().get_filter_backends()
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backends.append(IDSpmFilter)
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return backends
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class SerializerMixin:
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def get_serializer_class(self):
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serializer_class = None
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if hasattr(self, 'serializer_classes') and \
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isinstance(self.serializer_classes, dict):
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if self.action == 'list' and self.request.query_params.get('draw'):
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serializer_class = self.serializer_classes.get('display')
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if serializer_class is None:
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serializer_class = self.serializer_classes.get(
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self.action, self.serializer_classes.get('default')
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)
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if serializer_class:
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return serializer_class
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return super().get_serializer_class()
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class ExtraFilterFieldsMixin:
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default_added_filters = [CustomFilter, IDSpmFilter]
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filter_backends = api_settings.DEFAULT_FILTER_BACKENDS
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extra_filter_fields = []
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extra_filter_backends = []
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def get_filter_backends(self):
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if self.filter_backends != self.__class__.filter_backends:
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return self.filter_backends
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return list(self.filter_backends) + \
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self.default_added_filters + \
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list(self.extra_filter_backends)
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def filter_queryset(self, queryset):
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for backend in self.get_filter_backends():
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queryset = backend().filter_queryset(self.request, queryset, self)
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return queryset
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class CommonApiMixin(SerializerMixin, ExtraFilterFieldsMixin):
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pass
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