import connexion

import six

from sqlalchemy import exc

from sqlalchemy.sql.functions import mode

from openapi_server.models.error import Error # noqa: E501

from openapi_server.models.menu_item import MenuItem # noqa: E501

from openapi_server import util

from openapi_server.database import models

from sqlalchemy.exc import SQLAlchemyError, IntegrityError

def add_cart_item(): # noqa: E501

"""Add a menu item a cart

Creates a new item in the cart. Duplicates are allowed # noqa: E501

:param menu_item: Item to add to the cart

:type menu_item: dict | bytes

:rtype: None

"""

if connexion.request.is_json:

menu_item = MenuItem.from_dict(connexion.request.get_json()) # noqa: E501

try:

models.Cart.add_item(connexion.request.remote_addr, menu_item)

# models.Cart.add_item(connexion.request.host.split(':')[0], menu_item)

except (SQLAlchemyError, TypeError, AttributeError):

models.db.session.rollback()

return Error(400), 400

def delete_cart_item(item_id): # noqa: E501

"""Remove item from cart

The item must be in the cart. If multiple of same item, call this twice # noqa: E501

:param item_id: The menu item to delete from cart

:type item_id: int

:rtype: None

"""

# this is by no means efficient

try:

models.Cart.delete_item_by_id(connexion.request.remote_addr, item_id)

except (SQLAlchemyError, TypeError):

models.db.session.rollback()

return Error(403), 403 # cart is already devoid of this item

def list_cart(limit=None): # noqa: E501

"""List all cart items

# noqa: E501

:param limit: How many items to return at one time (max 100)

:type limit: int

:rtype: List[MenuItem]

"""

if cart := models.Cart.query_by_host(connexion.request.remote_addr):

return [_.serialize() for _ in cart.items]

else:

return []