add logout logic and wip recap

backend/src/forms/service.py

@@ -1,16 +1,35 @@
 from sqlmodel import Session, select
 import src.models as models
+from sqlalchemy import func
 
 def get_all(
     session: Session, 
     seasons: list[str],
-    productors: list[str]
+    productors: list[str],
+    current_season: bool,
 ) -> list[models.FormPublic]:
     statement = select(models.Form)
     if len(seasons) > 0:
         statement = statement.where(models.Form.season.in_(seasons))
     if len(productors) > 0:
         statement = statement.join(models.Productor).where(models.Productor.name.in_(productors))
+    if current_season:
+        subquery = (
+            select(
+                models.Productor.type, 
+                func.max(models.Form.start).label("max_start")
+            )
+            .join(models.Form)\
+            .group_by(models.Productor.type)\
+            .subquery()
+        )
+        statement = select(models.Form)\
+            .join(models.Productor)\
+            .join(subquery, 
+                (models.Productor.type == subquery.c.type) & 
+                (models.Form.start == subquery.c.max_start)
+            )
+        return session.exec(statement.order_by(models.Form.name)).all()
     return session.exec(statement.order_by(models.Form.name)).all()
 
 def get_one(session: Session, form_id: int) -> models.FormPublic:
@@ -48,3 +67,11 @@ def delete_one(session: Session, id: int) -> models.FormPublic:
     session.delete(form)
     session.commit()
     return result
+
+def is_allowed(session: Session, user: models.User, id: int) -> bool:
+    statement = select(models.Form)\
+        .join(models.Productor, models.Form.productor_id == models.Productor.id)\
+        .where(models.Form.id == id)\
+        .where(models.Productor.type.in_([r.name for r in user.roles]))\
+        .distinct()
+    return len(session.exec(statement).all()) > 0