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# -*- coding: utf-8 -*-
#
import copy
from rest_framework import serializers
from common.fields.serializer import CustomMetaDictField
from ..models import ReplayStorage, CommandStorage
from .. import const
class ReplayStorageMetaDictField(CustomMetaDictField):
type_fields_map = const.REPLAY_STORAGE_TYPE_FIELDS_MAP
default_type = const.REPLAY_STORAGE_TYPE_SERVER
convert_key_remove_type_prefix = True
convert_key_to_upper = True
class BaseStorageSerializerMixin:
type_fields_map = None
def process_meta(self, instance, validated_data):
new_meta = copy.deepcopy(validated_data.get('meta', {}))
tp = validated_data.get('type', '')
if tp != instance.type:
return new_meta
old_meta = instance.meta
fields = self.type_fields_map.get(instance.type, [])
for field in fields:
if not field.get('write_only', False):
continue
field_name = field['name']
new_value = new_meta.get(field_name, '')
old_value = old_meta.get(field_name, '')
field_value = new_value if new_value else old_value
new_meta[field_name] = field_value
return new_meta
def update(self, instance, validated_data):
meta = self.process_meta(instance, validated_data)
validated_data['meta'] = meta
return super().update(instance, validated_data)
class ReplayStorageSerializer(BaseStorageSerializerMixin,
serializers.ModelSerializer):
meta = ReplayStorageMetaDictField()
type_fields_map = const.REPLAY_STORAGE_TYPE_FIELDS_MAP
class Meta:
model = ReplayStorage
fields = ['id', 'name', 'type', 'meta', 'comment']
class CommandStorageMetaDictField(CustomMetaDictField):
type_fields_map = const.COMMAND_STORAGE_TYPE_FIELDS_MAP
default_type = const.COMMAND_STORAGE_TYPE_SERVER
convert_key_remove_type_prefix = True
convert_key_to_upper = True
class CommandStorageSerializer(BaseStorageSerializerMixin,
serializers.ModelSerializer):
meta = CommandStorageMetaDictField()
type_fields_map = const.COMMAND_STORAGE_TYPE_FIELDS_MAP
class Meta:
model = CommandStorage
fields = ['id', 'name', 'type', 'meta', 'comment']