Retrieve a list of all models

Using the query attribute of our model class, we can retrieve all the results of the query:

resources/item.py

@blp.response(200, ItemSchema(many=True))
def get(self):
    return ItemModel.query.all()

resources/store.py

@blp.response(200, StoreSchema(many=True))
def get(self):
    return StoreModel.query.all()