feature/implementacion de gestor de informacion y archivos minIO

api/vucem/serializers.py

@@ -1,5 +1,6 @@
 
 
+from api.utils.storage_service import storage_service 
 from rest_framework import serializers
 from .models import Vucem, CredencialesImportador
 
@@ -9,11 +10,91 @@ 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