haldis/app/fatmodels.py
Jan-Pieter Baert 5e29f2a5f7
Fix formatting
2022-04-19 22:04:49 +02:00

49 lines
1.1 KiB
Python

import typing
from hlds.definitions import location_definitions
from hlds.models import Dish, Location
from models import Order, OrderItem, User
from sqlalchemy.sql import desc, func
class FatModel:
@classmethod
def all(cls):
return cls.query.all()
@classmethod
def amount(cls):
return cls.query.count()
class FatLocation(Location, FatModel):
@classmethod
def all(cls):
return location_definitions
@classmethod
def amount(cls):
return len(location_definitions)
class FatOrder(Order, FatModel):
# It's hard to add the unique user constraint,
# as DISTINCT seems to apply after a GROUP BY and aggregate
# So DISTINCT ... count(user_id) ... will count all users,
# even if they get reduced by the disctinct afterwards.
@classmethod
def items_per_order(cls):
return (
Order.query.join(OrderItem)
.group_by(Order.id)
.with_entities(Order.id, func.count(OrderItem.user_id).label("total"))
)
class FatUser(User, FatModel):
pass
class FatOrderItem(OrderItem, FatModel):
pass