Files
backend/api/vucem/serializers.py

122 lines
4.0 KiB
Python

from api.utils.storage_service import storage_service
from rest_framework import serializers
from .models import Vucem, CredencialesImportador
class VucemSerializer(serializers.ModelSerializer):
importadores = serializers.SerializerMethodField()
key = serializers.FileField(write_only=True, required=False, allow_null=True)
cer = serializers.FileField(write_only=True, required=False, allow_null=True)
key_download_url = serializers.SerializerMethodField(read_only=True)
cer_download_url = serializers.SerializerMethodField(read_only=True)
class Meta:
model = Vucem
fields = '__all__'
read_only_fields = ('created_at', 'updated_at', 'organizacion', 'created_by', 'updated_by')
def get_key_download_url(self, obj):
if obj.key:
return storage_service.get_file_url(obj.key)
return None
def get_cer_download_url(self, obj):
if obj.cer:
return storage_service.get_file_url(obj.cer)
return None
def create(self, validated_data):
key_file = validated_data.pop('key', None)
cer_file = validated_data.pop('cer', None)
organizacion = validated_data.get('organizacion')
vucem = super().create(validated_data)
if key_file:
ruta = storage_service.save_vucem_key(
file=key_file,
organizacion_id=organizacion.id,
metadata={'vucem_id': str(vucem.id)}
)
if ruta:
vucem.key = ruta
else:
vucem.delete()
raise serializers.ValidationError({"key": "Error al guardar la llave"})
if cer_file:
ruta = storage_service.save_vucem_cert(
file=cer_file,
organizacion_id=organizacion.id,
metadata={'vucem_id': str(vucem.id)}
)
if ruta:
vucem.cer = ruta
else:
vucem.delete()
raise serializers.ValidationError({"cer_file": "Error al guardar el certificado"})
vucem.save()
return vucem
def update(self, instance, validated_data):
key_file = validated_data.pop('key', None)
cer_file = validated_data.pop('cer', None)
organizacion = validated_data.get('organizacion', instance.organizacion)
instance = super().update(instance, validated_data)
if key_file:
if instance.key:
storage_service.delete_file(str(instance.key))
ruta = storage_service.save_vucem_key(
file=key_file,
organizacion_id=organizacion.id
)
if ruta:
instance.key = ruta
if cer_file:
if instance.cer:
storage_service.delete_file(str(instance.cer))
ruta = storage_service.save_vucem_cert(
file=cer_file,
organizacion_id=organizacion.id
)
if ruta:
instance.cer = ruta
instance.save()
return instance
def get_importadores(self, obj):
# Importar aquí para evitar importación circular
from api.customs.serializers import ImportadorSerializer
return [ImportadorSerializer(cred.rfc).data for cred in obj.usuarios_importadores.all()]
class CredencialesImportadorSimpleSerializer(serializers.ModelSerializer):
class Meta:
model = CredencialesImportador
fields = ('__all__')
read_only_fields = ('updated_at',)
class CredencialesImportadorSerializer(serializers.ModelSerializer):
class Meta:
model = CredencialesImportador
fields = '__all__'
read_only_fields = ('updated_at',)
def to_representation(self, instance):
representation = super().to_representation(instance)
representation['vucem'] = VucemSerializer(instance.vucem).data
return representation