70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
from django.db import models
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from rest_framework import serializers
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from orchestra.api.serializers import HyperlinkedModelSerializer
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from orchestra.contrib.accounts.serializers import AccountSerializerMixin
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from .models import WebApp, WebAppOption
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class OptionSerializer(serializers.ModelSerializer):
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class Meta:
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model = WebAppOption
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fields = ('name', 'value')
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def to_representation(self, instance):
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return {prop.name: prop.value for prop in instance.all()}
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def to_internal_value(self, data):
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return data
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class DataField(serializers.Field):
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def to_representation(self, data):
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return data
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class WebAppSerializer(AccountSerializerMixin, HyperlinkedModelSerializer):
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options = OptionSerializer(required=False)
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data = DataField()
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class Meta:
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model = WebApp
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fields = ('url', 'id', 'name', 'type', 'options', 'data')
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postonly_fields = ('name', 'type')
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def __init__(self, *args, **kwargs):
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super(WebAppSerializer, self).__init__(*args, **kwargs)
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if isinstance(self.instance, models.Model):
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type_serializer = self.instance.type_instance.serializer
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if type_serializer:
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self.fields['data'] = type_serializer()
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def create(self, validated_data):
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options_data = validated_data.pop('options')
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webapp = super(WebAppSerializer, self).create(validated_data)
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for key, value in options_data.items():
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WebAppOption.objects.create(webapp=webapp, name=key, value=value)
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return webap
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def update(self, instance, validated_data):
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options_data = validated_data.pop('options')
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instance = super(WebAppSerializer, self).update(instance, validated_data)
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existing = {}
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for obj in instance.options.all():
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existing[obj.name] = obj
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posted = set()
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for key, value in options_data.items():
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posted.add(key)
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try:
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option = existing[key]
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except KeyError:
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option = instance.options.create(name=key, value=value)
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else:
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if option.value != value:
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option.value = value
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option.save(update_fields=('value',))
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for to_delete in set(existing.keys())-posted:
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existing[to_delete].delete()
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return instance
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