50 lines
1.1 KiB
Python
50 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
|