88 lines
3.7 KiB
Python
Executable File
88 lines
3.7 KiB
Python
Executable File
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from rest_framework import serializers
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from django_restql.mixins import DynamicFieldsMixin
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from rest_framework.fields import empty
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from rest_framework.request import Request
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class BaseSerizlierMixin:
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create_by_name = serializers.CharField(source='create_by.name', read_only=True)
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update_by_name = serializers.CharField(source='update_by.name', read_only=True)
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class PkSerializer(serializers.Serializer):
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ids = serializers.ListField(
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child=serializers.CharField(max_length=20), label="主键ID列表")
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soft = serializers.BooleanField(
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label="是否软删除", default=True, required=False)
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class GenSignatureSerializer(serializers.Serializer):
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path = serializers.CharField(label="图片地址")
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class TreeSerializerMixin:
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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request = self.context.get('request', None)
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self.with_children = request.query_params.get('with_children', 'no') if request else 'no'
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if self.with_children in ['yes', 'count']:
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if 'children' not in self.fields:
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self.fields['children'] = serializers.SerializerMethodField()
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if 'children_count' not in self.fields:
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self.fields['children_count'] = serializers.SerializerMethodField()
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def get_children(self, obj):
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if hasattr(obj, 'parent') and self.with_children == 'yes':
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serializer_class = self.__class__
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return serializer_class(obj.__class__.objects.filter(parent=obj), many=True, context=self.context).data
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return []
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def get_children_count(self, obj):
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if hasattr(obj, 'parent') and self.with_children in ['yes', 'count']:
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return obj.__class__.objects.filter(parent=obj).count()
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return 0
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class CustomModelSerializer(DynamicFieldsMixin, TreeSerializerMixin, serializers.ModelSerializer):
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"""
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自定义serializer/包含创建和新增字段处理
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"""
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def __init__(self, instance=None, data=empty, request=None, **kwargs):
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super().__init__(instance, data, **kwargs)
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self.request: Request = request or self.context.get('request', None)
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def create(self, validated_data):
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if self.request:
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if getattr(self.request, 'user', None):
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if getattr(self.Meta.model, 'create_by', None):
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validated_data['create_by'] = self.request.user
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validated_data['update_by'] = self.request.user
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if 'belong_dept' in validated_data:
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pass
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elif getattr(self.request.user, 'belong_dept', None):
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if hasattr(self.Meta.model, 'belong_dept'):
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validated_data['belong_dept'] = self.request.user.belong_dept
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return super().create(validated_data)
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def update(self, instance, validated_data):
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if self.request:
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if hasattr(instance, 'update_by'):
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validated_data['update_by'] = getattr(
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self.request, 'user', None)
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return super().update(instance, validated_data)
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class QuerySerializer(serializers.Serializer):
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field = serializers.CharField(label='字段名')
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compare = serializers.ChoiceField(
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label='比较式', choices=["", "!", "gte", "gt", "lte", "lt", "in", "contains", "isnull"])
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value = serializers.JSONField(label='值', allow_null=True)
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class ComplexSerializer(serializers.Serializer):
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page = serializers.IntegerField(min_value=0, required=False)
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page_size = serializers.IntegerField(min_value=1, required=False)
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ordering = serializers.CharField(required=False)
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querys = serializers.ListField(child=QuerySerializer(
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many=True), label="查询列表", required=False)
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