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49 lines
1.7 KiB
49 lines
1.7 KiB
# -*- coding: utf-8 -*-
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#
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from rest_framework.request import Request
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__all__ = ['SerializerMixin']
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class SerializerMixin:
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""" 根据用户请求动作的不同，获取不同的 `serializer_class `"""
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action: str
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request: Request
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serializer_classes = None
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single_actions = ['put', 'retrieve', 'patch']
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def get_serializer_classes(self):
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classes = getattr(self, 'serializer_classes', None) or {}
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return dict(classes)
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def get_serializer_class_by_view_action(self):
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serializer_classes = self.get_serializer_classes()
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if serializer_classes is None:
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return None
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if not isinstance(serializer_classes, dict):
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return None
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serializer_classes = dict(serializer_classes)
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view_action = self.request.query_params.get('action') or self.action or 'list'
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serializer_class = serializer_classes.get(view_action)
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if serializer_class is None:
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view_method = self.request.method.lower()
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serializer_class = serializer_classes.get(view_method)
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if serializer_class is None and view_action in self.single_actions:
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serializer_class = serializer_classes.get('single')
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if serializer_class is None:
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serializer_class = serializer_classes.get('display')
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if serializer_class is None:
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serializer_class = serializer_classes.get('default')
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return serializer_class
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def get_serializer_class(self):
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serializer_class = self.get_serializer_class_by_view_action()
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if serializer_class is None:
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serializer_class = super().get_serializer_class()
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return serializer_class
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