floandClaude Sonnet 4.6
ae9d749356
- Add Payment.method field (cash/card/paypal/bank) with migration - Show method in PaymentAdmin list view - Add merge_users management command (atomic, reassigns all FKs) - Add update_crates_2026 command (actual purchased/returned crates) - Add finance_summary_2026 command (Ausgaben, Einnahmen, Kasse, Bilanz) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
from decimal import Decimal, ROUND_HALF_UP
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from django.core.management.base import BaseCommand
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from django.db.models import F, Sum
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from gaehsnitz.models import Consumption, Payment, UserPayment
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YEAR = 2026
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CASH_PREFILL = Decimal("500.00")
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def eur(amount):
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return str(Decimal(amount).quantize(Decimal("1"), rounding=ROUND_HALF_UP))
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class Command(BaseCommand):
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help = "Print full 2026 festival finance summary"
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def handle(self, *args, **options):
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w = self.stdout.write
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sep = "-" * 40
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# --- Ausgaben ---
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w("\nAUSGABEN")
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w(sep)
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payments = Payment.objects.filter(date__year=YEAR).order_by("date")
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total_out = Decimal("0")
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for p in payments:
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method_label = dict(Payment.Method.choices).get(p.method, p.method)
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w(f" {p.date} {eur(p.amount):>6}€ {method_label:<15} {p.purpose}")
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total_out += p.amount
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w(sep)
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w(f" {'TOTAL':<11} {eur(total_out):>6}€")
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# by method
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w("")
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for method, label in Payment.Method.choices:
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subtotal = payments.filter(method=method).aggregate(s=Sum("amount"))["s"] or Decimal("0")
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if subtotal:
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w(f" {label:<15} {eur(subtotal):>6}€")
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# --- Einnahmen ---
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w("\nEINNAHMEN")
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w(sep)
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up = UserPayment.objects.filter(created_at__year=YEAR)
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cash_prefill = CASH_PREFILL
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cash_payments = up.filter(method="cash").aggregate(s=Sum("amount"))["s"] or Decimal("0")
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cash_from_sales = cash_payments - cash_prefill
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non_cash = up.exclude(method="cash").aggregate(s=Sum("amount"))["s"] or Decimal("0")
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total_in = cash_from_sales + non_cash
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drink_revenue = Consumption.objects.filter(for_free=False, drink__year=YEAR).annotate(
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cost=F("amount") * F("drink__sale_price_per_bottle")
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).aggregate(s=Sum("cost"))["s"] or Decimal("0")
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entry_donations = total_in - drink_revenue
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w(f" Cash: {eur(cash_from_sales):>6}€")
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w(f" Cashless: {eur(non_cash):>6}€")
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w(f" Einnahmen Gesamt: {eur(total_in):>6}€")
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w(f" - Getränke-Umsatz: {eur(drink_revenue):>6}€")
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w(f" - Eintrittsspenden: {eur(entry_donations):>6}€")
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# --- Kassensaldo ---
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w("\nKASSE")
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w(sep)
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cash_out = payments.filter(method="cash").aggregate(s=Sum("amount"))["s"] or Decimal("0")
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expected_cash = cash_prefill + cash_from_sales - cash_out
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w(f" Kassen-Vorschuss: {eur(cash_prefill):>6}€")
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w(f" Cash-Einnahmen: {eur(cash_from_sales):>6}€")
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w(f" Cash-Ausgaben: {eur(cash_out):>6}€")
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w(f" -> in Kasse: {eur(expected_cash):>6}€")
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# --- Gesamtbilanz ---
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w("\nGESAMTBILANZ")
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w(sep)
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net = total_in - total_out
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out_of_pocket = total_out - total_in
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w(f" Gesamtausgaben: {eur(total_out):>6}€")
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w(f" Gesamteinnahmen: {eur(total_in):>6}€")
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w(sep)
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label = "Verlust" if out_of_pocket > 0 else "Gewinn"
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w(f" {label}: {eur(abs(net)):>6}€\n")
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