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32 lines
1.2 KiB
Python
32 lines
1.2 KiB
Python
from rest_framework import serializers, mixins
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from simple_history.models import HistoricalRecords
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from .models import Product
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class HistoricalRecordField(serializers.ListField):
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child = serializers.DictField()
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def to_representation(self, data):
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return super().to_representation(data.values('quantity', 'history_date').order_by('history_date'))
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class ProductSerializer(serializers.HyperlinkedModelSerializer):
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date_added = serializers.DateTimeField(
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format="%d-%m-%Y %I:%M%p", read_only=True)
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quantity = serializers.IntegerField(required=False, default=0)
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history = HistoricalRecordField(read_only=True)
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class Meta:
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model = Product
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fields = ('id', 'name', 'quantity', 'date_added', 'history')
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read_only_fields = ('id', 'date_added', 'history')
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class LogSerializer(serializers.HyperlinkedModelSerializer):
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history_date = serializers.DateTimeField(
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format="%d-%m-%Y %I:%M%p", read_only=True)
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class Meta:
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model = Product.history.model
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fields = ('history_id', 'name', 'quantity', 'history_date')
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read_only_fields = ('history_id', 'name', 'quantity', 'history_date')
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