fix all pylint warnings, add tests (wip) fix recap

backend/src/productors/service.py

@@ -1,7 +1,6 @@
-import src.messages as messages
-import src.productors.exceptions as exceptions
 from sqlmodel import Session, select
-from src import models
+from src import messages, models
+from src.productors import exceptions
 
 
 def get_all(
@@ -50,9 +49,10 @@ def create_one(
 
 def update_one(
         session: Session,
-        id: int,
-        productor: models.ProductorUpdate) -> models.ProductorPublic:
-    statement = select(models.Productor).where(models.Productor.id == id)
+        _id: int,
+        productor: models.ProductorUpdate
+) -> models.ProductorPublic:
+    statement = select(models.Productor).where(models.Productor.id == _id)
     result = session.exec(statement)
     new_productor = result.first()
     if not new_productor:
@@ -94,11 +94,13 @@ def delete_one(session: Session, _id: int) -> models.ProductorPublic:
     return result
 
 def is_allowed(
-    session: Session, 
-    user: models.User, 
-    _id: int, 
-    productor: models.ProductorCreate
+    session: Session,
+    user: models.User,
+    _id: int = None,
+    productor: models.ProductorCreate = None
 ) -> bool:
+    if not _id and not productor:
+        return False
     if not _id:
         return productor.type in [r.name for r in user.roles]
     statement = (