Fixed syntax misc issues

app/logic/service_logic.py

@@ -1,3 +1,5 @@
+from sqlmodel import inspect
+
 from app.database import (
     add_to_database,
     delete_from_database_where,
@@ -26,11 +28,16 @@ def update(
     update_attribute: str,
     new_value: int | str | None,
 ):
+    if update_attribute not in inspect(Service).attrs:
+        raise ValueError(f"Invalid attribute: {update_attribute}")
+
+    attribute = getattr(Service, update_attribute)
+
     return update_database_where(
         Service,
-        Service.id,
+        Service.id,  # type: ignore (Type correct on runtime)
         service_id,
-        update_attribute,
+        attribute,
         new_value,
     )
 
@@ -38,6 +45,6 @@ def update(
 def delete(service_id: int):
     return delete_from_database_where(
         Service,
-        Service.id,
+        Service.id,  # type: ignore (Type correct on runtime)
         service_id,
     )