gault-millau/apps/transfer/serializers/product.py
2019-11-05 18:04:34 +03:00

110 lines
3.5 KiB
Python

from django.contrib.gis.db.models.fields import Point
from rest_framework import serializers
from product import models
from transfer.models import WineColor, WineType, WineClassification
class WineColorSerializer(serializers.ModelSerializer):
NAME = 'wine_color'
id = serializers.IntegerField()
name = serializers.CharField(allow_null=True)
order_number = serializers.IntegerField(allow_null=True)
class Meta:
model = models.Characteristic
fields = (
'id',
'name',
'value',
'priority',
'order_number',
)
def validate(self, attrs):
attrs['old_id'] = attrs.pop('id')
attrs['value'] = attrs['name']
attrs['name'] = self.NAME
attrs['priority'] = attrs.pop('order_number')
return attrs
class WineStandardSerializer(serializers.ModelSerializer):
id = serializers.IntegerField()
name = serializers.CharField()
type = serializers.ChoiceField(choices=models.WineStandard.STANDARDS,
allow_null=True)
longitude = serializers.FloatField(allow_null=True)
latitude = serializers.FloatField(allow_null=True)
class Meta:
model = models.WineStandard
fields = (
'id',
'name',
'type',
'longitude',
'latitude',
)
def validate(self, attrs):
latitude = attrs.pop('latitude', None)
longitude = attrs.pop('longitude', None)
attrs['coordinates'] = self.get_point(latitude, longitude)
attrs['old_id'] = attrs.get('id')
attrs['standard_type'] = attrs.pop('type', None)
return attrs
def get_point(self, latitude, longitude):
if latitude and longitude:
return Point(x=longitude, y=latitude, srid=4326)
class WineStandardClassificationSerializer(serializers.ModelSerializer):
id = serializers.IntegerField()
name = serializers.CharField()
possible_type_id = serializers.IntegerField(allow_null=True)
possible_color_id = serializers.IntegerField()
parent_id = serializers.IntegerField()
class Meta:
model = models.WineClassification
fields = (
'id',
'name',
'possible_type_id',
'possible_color_id',
'parent_id',
)
def validate(self, attrs):
possible_type_id = attrs.pop('possible_type_id', None)
possible_color_id = attrs.pop('possible_color_id', None)
parent_id = attrs.pop('parent_id', None)
attrs['old_id'] = attrs.pop('id', None)
attrs['possible_subtype'] = self.get_possible_type(possible_type_id)
attrs['possible_color'] = self.get_possible_color(possible_color_id)
attrs['standard'] = self.get_wine_standard(parent_id)
return attrs
def get_possible_type(self, possible_type_id):
legacy_qs = WineClassification.objects.filter(id=possible_type_id)
if legacy_qs.exists():
qs = models.ProductSubType.objects.filter(index_name=legacy_qs.first())
if qs.exists():
return qs.first()
def get_possible_color(self, possible_color_id):
qs = models.Characteristic.objects.filter(name=WineColorSerializer.NAME,
old_id=possible_color_id)
if qs.exists():
return qs.first()
def get_wine_standard(self, parent_id):
qs = models.WineStandard.objects.filter(old_id=parent_id)
if qs.exists():
return qs.first()