44 lines
2.1 KiB
Python
44 lines
2.1 KiB
Python
# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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from django.core.management import BaseCommand
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from django.db.models import Sum, F
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from note.models import Note, Transaction
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from note.templatetags.pretty_money import pretty_money
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class Command(BaseCommand):
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def add_arguments(self, parser):
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parser.add_argument('--sum-all', '-s', action='store_true', help='Check if the global sum is equal to zero')
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parser.add_argument('--fix', '-f', action='store_true', help='Fix note balances')
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def handle(self, *args, **options):
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if options["sum_all"]:
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s = Note.objects.aggregate(Sum("balance"))["balance__sum"]
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if s:
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self.stderr.write(self.style.NOTICE("LA SOMME DES NOTES NE VAUT PAS ZÉRO : " + pretty_money(s)))
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exit(-1)
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else:
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self.stdout.write(self.style.SUCCESS("La somme des notes vaut bien zéro."))
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exit(0)
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error = False
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for note in Note.objects.all():
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balance = note.balance
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incoming = Transaction.objects.filter(valid=True, destination=note)\
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.annotate(total=F("quantity") * F("amount")).aggregate(Sum("total"))["total__sum"] or 0
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outcoming = Transaction.objects.filter(valid=True, source=note)\
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.annotate(total=F("quantity") * F("amount")).aggregate(Sum("total"))["total__sum"] or 0
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calculated_balance = incoming - outcoming
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if calculated_balance != balance:
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self.stderr.write(self.style.NOTICE("LA SOMME DES TRANSACTIONS DE LA NOTE {} NE CORRESPOND PAS "
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"AVEC LE MONTANT RÉEL".format(str(note))))
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self.stderr.write(self.style.NOTICE("Attendu : {}, calculé : {}"
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.format(pretty_money(balance), pretty_money(calculated_balance))))
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if options["fix"]:
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note.balance = calculated_balance
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note.save()
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error = True
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exit(1 if error else 0)
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