🚚 Refactor and simplify backend file structure (#609)

src/backend/app/crud/crud_item.py

@@ -0,0 +1,34 @@
+from typing import List
+
+from fastapi.encoders import jsonable_encoder
+from sqlalchemy.orm import Session
+
+from app.crud.base import CRUDBase
+from app.models import Item
+from app.schemas.item import ItemCreate, ItemUpdate
+
+
+class CRUDItem(CRUDBase[Item, ItemCreate, ItemUpdate]):
+    def create_with_owner(
+        self, db: Session, *, obj_in: ItemCreate, owner_id: int
+    ) -> Item:
+        obj_in_data = jsonable_encoder(obj_in)
+        db_obj = self.model(**obj_in_data, owner_id=owner_id)
+        db.add(db_obj)
+        db.commit()
+        db.refresh(db_obj)
+        return db_obj
+
+    def get_multi_by_owner(
+        self, db: Session, *, owner_id: int, skip: int = 0, limit: int = 100
+    ) -> List[Item]:
+        return (
+            db.query(self.model)
+            .filter(Item.owner_id == owner_id)
+            .offset(skip)
+            .limit(limit)
+            .all()
+        )
+
+
+item = CRUDItem(Item)