[Answered ]-How can I convert instance to dictionary with model method and relationship?

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The short answer

You should use serializers, in your case the best option is ModelSerializer.

The long answer

Firstly, you should add @property decorator to get_age function (I renamed it for age):

@property
def age(self):
    diff = relativedelta(datetime.date.today(),self.birthdate )
    return diff

Then create serializers:

class StatusSerializer(serializers.ModelSerializer):
    class Meta:
        model = Status
        fields = ['status_id', 'status_value']

class SomethingSerializer(serializers.ModelSerializer):
    class Meta:
        model = Something
        fields = ['something_id', 'something_value']

class CustomerSerializer(serializers.ModelSerializer):
    status = StatusSerializer()
    something = SomethingSerializer(many=True)
    class Meta:
        model = Customer
        fields = ['uuid', 'name', 'birthdate', 'status', 'something', 'age']

And then you use serializer to convert your model instance to dict:

customer_dict = CustomerSerializer(customer_model).data
👤Oleksii Tambovtsev

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