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gaehsnitz/gaehsnitz/management/commands/user_stats.py

24 lines
988 B
Python

from django.contrib.auth import get_user_model
from django.core.management import BaseCommand
from django.db.models import Sum
from gaehsnitz.models import Drink
from gaehsnitz.templatetags.money import euro
User = get_user_model()
class Command(BaseCommand):
def handle(self, *args, **options):
id_to_name = {d.id: d.name for d in Drink.objects.all()}
for user in User.objects.all().order_by("username"):
to_pay = user.consumed_drinks_price
if to_pay != 0:
paid_consumption = user.consumption_list.filter(for_free=False)
drink_list = []
for drink_dict in paid_consumption.values("drink_id").annotate(amount=Sum("amount")):
name = id_to_name[drink_dict["drink_id"]]
amount = drink_dict["amount"]
drink_list.append(f"{amount}x {name}")
print(f"{user.username.capitalize()}: {euro(to_pay)} ({", ".join(drink_list)})")