88 lines
2.9 KiB
Python
88 lines
2.9 KiB
Python
from django.utils import timezone
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from rest_framework import serializers
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from files.models import File
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from inventory.models import Event, Container, Item
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class EventSerializer(serializers.ModelSerializer):
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class Meta:
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model = Event
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fields = ['eid', 'slug', 'name', 'start', 'end', 'pre_start', 'post_end']
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read_only_fields = ['eid']
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class ContainerSerializer(serializers.ModelSerializer):
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itemCount = serializers.SerializerMethodField()
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class Meta:
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model = Container
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fields = ['cid', 'name', 'itemCount']
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read_only_fields = ['cid', 'itemCount']
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def get_itemCount(self, instance):
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return Item.objects.filter(container=instance.cid).count()
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class ItemSerializer(serializers.ModelSerializer):
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dataImage = serializers.CharField(write_only=True, required=False)
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cid = serializers.SerializerMethodField()
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box = serializers.SerializerMethodField()
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file = serializers.SerializerMethodField()
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returned = serializers.SerializerMethodField(required=False)
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class Meta:
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model = Item
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fields = ['cid', 'box', 'uid', 'description', 'file', 'dataImage', 'returned']
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read_only_fields = ['uid']
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def get_cid(self, instance):
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return instance.container.cid
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def get_box(self, instance):
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return instance.container.name
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def get_file(self, instance):
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if len(instance.files.all()) > 0:
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return instance.files.all().order_by('-created_at')[0].hash
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return None
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def get_returned(self, instance):
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return instance.returned_at is not None
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def to_internal_value(self, data):
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container = None
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returned = False
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if 'cid' in data:
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container = Container.objects.get(cid=data['cid'])
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if 'returned' in data:
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returned = data['returned']
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internal = super().to_internal_value(data)
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if container:
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internal['container'] = container
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if returned:
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internal['returned_at'] = timezone.now()
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return internal
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def validate(self, attrs):
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return super().validate(attrs)
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def create(self, validated_data):
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if 'dataImage' in validated_data:
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file = File.objects.create(data=validated_data['dataImage'])
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validated_data.pop('dataImage')
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item = Item.objects.create(**validated_data)
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item.files.set([file])
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return item
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return Item.objects.create(**validated_data)
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def update(self, instance, validated_data):
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if 'returned' in validated_data:
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if validated_data['returned']:
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validated_data['returned_at'] = timezone.now()
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validated_data.pop('returned')
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if 'dataImage' in validated_data:
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file = File.objects.create(data=validated_data['dataImage'])
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validated_data.pop('dataImage')
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instance.files.add(file)
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return super().update(instance, validated_data)
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