prvi kod za live uporabu

backend/modules/crm/serializers.py

@@ -0,0 +1,50 @@
+from rest_framework import serializers
+from rest_framework.exceptions import ValidationError as DRFValidationError
+from .models import Client
+from .services import ClientService
+
+
+class ClientSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Client
+        fields = [
+            'id', 'name', 'client_type', 'tax_id',
+            'email', 'phone', 'address', 'city', 'postal_code',
+            'created_at', 'is_active'
+        ]
+        read_only_fields = ['id', 'created_at', 'is_active']
+
+    def _get_request_user(self):
+        """
+        Sigurno dohvaćanje korisnika iz contexta serializer-a.
+        Request iz RequestFactory može biti WSGIRequest bez atributa 'user',
+        zato koristimo getattr.
+        """
+        request = self.context.get('request') if self.context else None
+        return getattr(request, 'user', None)
+
+    def create(self, validated_data):
+        """
+        Delegate creation to service layer.
+        """
+        try:
+            user = self._get_request_user()
+            return ClientService.create_client(validated_data, user=user)
+        except DRFValidationError:
+            # re-raise as-is
+            raise
+        except Exception as exc:
+            # wrap non-DRF exceptions
+            raise DRFValidationError({"detail": str(exc)})
+
+    def update(self, instance, validated_data):
+        """
+        Delegate update to service layer.
+        """
+        try:
+            user = self._get_request_user()
+            return ClientService.update_client(instance, validated_data, user=user)
+        except DRFValidationError:
+            raise
+        except Exception as exc:
+            raise DRFValidationError({"detail": str(exc)})