Delete models with SQLAlchemy

Just as with adding, deleting models is a matter of using db.session, and then committing when the deletion is complete:

resources/item.py

def delete(self, item_id):
    item = ItemModel.query.get_or_404(item_id)
    db.session.delete(item)
    db.session.commit()
    return {"message": "Item deleted."}

resources/store.py

def delete(self, store_id):
    store = StoreModel.query.get_or_404(store_id)
    db.session.delete(store)
    db.session.commit()
    return {"message": "Store deleted"}, 200