text: from rest_framework import serializers
  from api.models import  User,Tag1,Tag2,Sensor,SensorType,Data,File,Analysis
  
  class UserSerializer(serializers.HyperlinkedModelSerializer):
  
      data_user = serializers.HyperlinkedRelatedField(view_name='data-detail', many=True, read_only=True)
      
      class Meta:
          model = User
  
          fields = ['url', 'id', 'name', 'data_user']
  
  class Tag1Serializer(serializers.HyperlinkedModelSerializer):
  
      data_tag1 = serializers.HyperlinkedRelatedField(view_name='data-detail', many=True, read_only=True)
      
      class Meta:
          model = Tag1
  
          fields = ['url', 'id', 'name', 'data_tag1']
  
  class Tag2Serializer(serializers.HyperlinkedModelSerializer):
  
      data_tag2 = serializers.HyperlinkedRelatedField(view_name='data-detail', many=True, read_only=True)
      
      class Meta:
          model = Tag2
  
          fields = ['url', 'id', 'name', 'data_tag2']
  
  class SensorSerializer(serializers.HyperlinkedModelSerializer):
  
      data_sensor = serializers.HyperlinkedRelatedField(view_name='data-detail', many=True, read_only=True)
      
      class Meta:
          model = Sensor
  
          fields = ['url', 'id', 'name', 'data_sensor']
  
  class SensorTypeSerializer(serializers.HyperlinkedModelSerializer):
  
      data_sensor_type = serializers.HyperlinkedRelatedField(view_name='data-detail', many=True, read_only=True)
      
      class Meta:
          model = SensorType
  
          fields = ['url', 'id', 'name', 'data_sensor_type']
  
  class DataSerializer(serializers.HyperlinkedModelSerializer):
  
      file = serializers.HyperlinkedRelatedField(view_name='file-detail', many=True, read_only=True)
      analysis = serializers.HyperlinkedRelatedField(view_name='analysis-detail', many=True, read_only=True)
  
      class Meta:
          model = Data
  
          fields = ['url', 'id', 'title', 'description', 'user', 'tag1', 'tag2', 'sensor', 'sensor_type', 'file', 'analysis', 'created_at']
  
  class AnalysisSerializer(serializers.HyperlinkedModelSerializer):
  
      class Meta:
          model = Analysis
  
          fields = ['url', 'id', 'name', 'data', 'method', 'result']
  
  class FileSerializer(serializers.HyperlinkedModelSerializer):
  
      class Meta:
          model = File
  
          fields = ['url', 'id', 'data', 'file']