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110 lines
5.1 KiB
110 lines
5.1 KiB
# coding=utf-8
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from dateutil.relativedelta import relativedelta
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from django.conf import settings
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from django.core.mail import EmailMessage
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from django.db import models
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from django.utils import timezone
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from yandex_money.models import Payment
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class Bill(models.Model):
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course_token = models.UUIDField(verbose_name="Токен курса", editable=False)
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user = models.ForeignKey(settings.AUTH_USER_MODEL, verbose_name='Плательщик', related_name='bill_user')
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opener = models.ForeignKey(settings.AUTH_USER_MODEL, verbose_name='Ответственный сотрудник', null=True)
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comment = models.TextField(verbose_name='Комментарий продавца', help_text='Будет показано пользователю',
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blank=True, editable=False)
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description = models.TextField(verbose_name='Внутренняя заметка', blank=True)
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date = models.DateTimeField(verbose_name="Дата выставления", auto_now_add=True)
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freeze = models.BooleanField(verbose_name='Отказ от платежей', default=False)
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def __str__(self):
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return '%s: %s' % (self.id, self.user)
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def get_full_price(self):
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return sum([i.price for i in self.invoice_set.all() if not i.price is None])
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def check_validate(self, invoice_id):
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return self.invoice_set.filter(is_open=True).exclude(id=invoice_id).count() == 1
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def check_pay(self):
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return self.invoice_set.filter(status="F").exists()
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class Meta:
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verbose_name = 'Счет'
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verbose_name_plural = 'Счета'
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unique_together = (
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('course_token', 'user',),
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)
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class Invoice(models.Model):
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BILL_METHOD = (
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('C', 'Наличные'),
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('H', 'JustClick'),
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('A', 'Альфа-Банк'),
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('S', 'SimplePay'),
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('Y', 'YandexKassa')
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)
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BILL_STATUSES = (
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('W', 'Ожидание согласия'),
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('P', 'На оплате'),
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('F', 'Оплачен'),
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('C', 'Отклонен'),
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)
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status = models.CharField(verbose_name='Статус', max_length=1, default='W', choices=BILL_STATUSES)
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price = models.IntegerField(verbose_name='Сумма', editable=False, null=True, blank=True) #Todo На самом деле тут не далжно быть значений null
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real_price = models.FloatField(verbose_name='Полученная сумма', null=True, blank=True,
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help_text='Сумма, минус комиссия', editable=False)
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method = models.CharField(verbose_name='Способ оплаты', max_length=2, default='Y', choices=BILL_METHOD)
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key = models.CharField(verbose_name='Ключ платежа', max_length=255, editable=False, blank=True)
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yandex_pay = models.OneToOneField(to=Payment, blank=True, null=True)
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comment = models.TextField(verbose_name='Комментарий продавца', help_text='Будет показано пользователю',
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blank=True, editable=False)
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bill = models.ForeignKey(to=Bill, verbose_name="Связный счёт")
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is_open = models.BooleanField(default=True, verbose_name="Открывает ли платёж курс")
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date = models.DateTimeField(auto_now_add=True, verbose_name="Дата создания платежа")
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expected_date = models.DateTimeField(default=timezone.now, verbose_name="Ожидаемая дата платежа")
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date_of_payment = models.DateTimeField(verbose_name="Дата фактической оплаты", blank=True, null=True)
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def get_comment(self):
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return '''Вам выставлен счёт,''' if \
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self.comment == "" else self.comment
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def send_link(self):
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msg = EmailMessage(
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'Вам выставлен новый счёт',
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"""%s для оплаты перейдите по ссылке
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%s/api/v1/finance/payment/%s/""" % (self.get_comment(), settings.DOMAIN, self.yandex_pay.id),
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to=[self.yandex_pay.cps_email],
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bcc=[self.bill.opener.email],
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reply_to=[self.bill.opener.email],
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)
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msg.send()
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def __str__(self):
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return '%s:%s %s' % (self.id, self.get_status_display(), self.bill.user)
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class Meta:
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verbose_name = 'Платёж'
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verbose_name_plural = 'Платежи'
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class InvoiceRebilling(Invoice):
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rebilling_on = models.BooleanField(verbose_name='Повторять платеж', default=False, editable=False)
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def create_child_pays(self, count):
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for idx in range(int(count)-1):
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InvoiceRebilling.objects.create(
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bill=self.bill,
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comment=self.comment,
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method=self.method,
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status=self.status,
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is_open=self.is_open,
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rebilling_on=False,
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expected_date=(timezone.now() + relativedelta(months=idx+1)),
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)
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class Meta:
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verbose_name = 'Повторный платёж'
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verbose_name_plural = 'Повторные платежи'
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