Merge branch 'pm_payments_repeat' into 'dev'

Повторные платежи

See merge request !260

finance/admin.py

@@ -3,5 +3,10 @@ from django.contrib import admin
 
 from finance.models import Bill, Invoice
 
+
+class InvoiceAdmin(admin.ModelAdmin):
+    list_display = ('__str__', 'rebilling_on', 'rebilling')
+
+
 admin.site.register(Bill)
-admin.site.register(Invoice)
+admin.site.register(Invoice, InvoiceAdmin)

finance/migrations/0004_auto_20180321_1653.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2018-03-21 16:53
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('finance', '0003_auto_20180315_1358'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='invoice',
+            name='rebilling',
+            field=models.BooleanField(default=False, editable=False, verbose_name='Повторный платеж'),
+        ),
+        migrations.AddField(
+            model_name='invoice',
+            name='rebilling_on',
+            field=models.BooleanField(default=False, editable=False, verbose_name='Повторять платеж'),
+        ),
+    ]

finance/models.py

@@ -58,11 +58,9 @@ class Invoice(models.Model):
                                blank=True, editable=False)
     bill = models.ForeignKey(to=Bill, verbose_name="Связный счёт")
     is_open = models.BooleanField(default=True, verbose_name="Открывает ли платёж курс")
-    date = models.DateTimeField(auto_now_add=True, verbose_name="Дата создания")
-
-    def get_comment(self):
-        return '''Вам выставлен счёт,''' if \
-            self.comment == "" else self.comment
+    date = models.DateTimeField(auto_now_add=True)
+    rebilling_on = models.BooleanField(verbose_name='Повторять платеж', default=False, editable=False)
+    rebilling = models.BooleanField(verbose_name='Повторный платеж', default=False, editable=False)
 
     def __str__(self):
         return '%s:%s %s' % (self.id, self.get_status_display(), self.bill.user)

finance/signals.py

@@ -16,7 +16,7 @@ def invoice_signal(instance, **kwargs):
 
     course = Course.objects.get(token=instance.bill.course_token)
 
-    if instance.yandex_pay and instance.method == 'Y' and instance.status == 'P':
+    if instance.yandex_pay and instance.method == 'Y' and instance.status == 'P' and not instance.rebilling:
         msg = EmailMessage(
             'Вам выставлен новый счёт',
             """%s для оплаты перейдите по ссылке
@@ -27,7 +27,7 @@ def invoice_signal(instance, **kwargs):
         )
         msg.send()
 
-    if instance.status == 'F':
+    if instance.status == 'F' and not instance.rebilling:
         if instance.is_open:
             try:
                 Progress.objects.get(

finance/tasks.py

@@ -0,0 +1,86 @@
+import json
+from datetime import datetime, timedelta
+
+import logging
+
+import os
+import requests
+from django_celery_beat.models import CrontabSchedule, PeriodicTask
+from yandex_money.models import Payment
+
+from finance.models import Invoice
+from lms import celery_app
+from django.conf import settings
+
+
+logger_yandex = logging.getLogger('yandex_money')
+
+
+def setup_periodic_billing(order_number):
+    # TODO: настроить периодичность и срок окончания
+    # 12:00 первого числа каждого месяца
+    schedule, _ = CrontabSchedule.objects.get_or_create(
+        minute='0',
+        hour='12',
+        day_of_week='*',
+        day_of_month='1',
+        month_of_year='*'
+    )
+    PeriodicTask.objects.create(
+        crontab=schedule,
+        name='Periodic billing (order_number={})'.format(order_number),
+        task='finance.tasks.periodic_billing',
+        kwargs=json.dumps({
+            'order_number': order_number
+        }),
+        expires=datetime.utcnow() + timedelta(days=180)  # в течение полугода
+    )
+
+
+@celery_app.task
+def periodic_billing(order_number):
+    try:
+        sample = Invoice.objects.get(yandex_pay__order_number=order_number)
+    except Invoice.DoesNotExist:
+        raise ValueError('Номер заказа {} не найден'.format(order_number))
+
+    bill = sample.bill
+
+    invoice = Invoice.objects.create(
+        status='P',
+        price=sample.price,
+        method=sample.method,
+        rebilling=True,
+        bill=bill
+    )
+
+    if invoice.method == 'Y':
+        user = bill.user
+        yandex_pay = Payment.objects.create(
+            invoice_id=sample.yandex_pay.invoice_id,
+            order_amount=invoice.price,
+            customer_number=user.id,
+            user=user,
+            cps_email=user.email
+        )
+        invoice.yandex_pay = yandex_pay
+        invoice.save()
+
+    repeat_card_payment(invoice)
+
+
+def repeat_card_payment(invoice):
+    resp = requests.post(settings.YANDEX_MONEY_MWS_URL + 'repeatCardPayment',
+                         data={
+                             'clientOrderId': invoice.id,  # уникальное возрастающее целое число
+                             'invoiceId': invoice.yandex_pay.invoice_id,
+                             'amount': invoice.price,
+                             'orderNumber': invoice.yandex_pay.order_number
+                         },
+                         cert=(
+                             os.path.join(settings.SSL_ROOT, 'skillbox.cer'),
+                             os.path.join(settings.SSL_ROOT, 'skillbox.key')
+                         ),
+                         verify=os.path.join(settings.SSL_ROOT, 'yamoney_chain.cer'))
+
+    logger_yandex.info(resp.text)

finance/views.py

@@ -21,6 +21,7 @@ from courses.models import Course
 from courses.api import CourseParamsApi
 from finance.models import Bill, Invoice
 from finance.serializers import BillSerializer, InvoiceSerializer
+from finance.tasks import setup_periodic_billing
 from lms.global_decorators import transaction_decorator
 from lms.tools import get_real_name
 from django.utils import timezone
@@ -254,6 +255,7 @@ class YandexPay(APIView):
                 'customerNumber': pay.customer_number,
                 'orderNumber': pay.order_number,
                 'cps_email': pay.cps_email,
+                'rebillingOn': pay.invoice.rebilling_on,
                 'shopSuccessURL': settings.YANDEX_MONEY_SUCCESS_URL,
                 'shopFailURL': settings.YANDEX_MONEY_FAIL_URL,
             })
@@ -399,6 +401,7 @@ class YandexAvisoView(APIView):
 
         pay.shop_amount = data['shopSumAmount']
         pay.status = Payment.STATUS.SUCCESS
+        pay.invoice_id = data['invoiceId']
         now = timezone.now()
         pay.performed_datetime = now.isoformat()
         pay.save()
@@ -428,6 +431,9 @@ class YandexAvisoView(APIView):
         msg.attach_alternative(html_content, "text/html")
         msg.send()
 
+        if pay.invoice.rebilling_on:
+            setup_periodic_billing(pay.order_number)
+
         return HttpResponse(xml_res, content_type='application/xml')
 
 

lms/settings.py

@@ -47,6 +47,7 @@ YANDEX_MONEY_SHOP_ID = '157133'
 YANDEX_MONEY_SHOP_PASSWORD = 'nu5Xefise'
 YANDEX_MONEY_FAIL_URL = '%s/api/v1/finance/yandex/fail/' % DOMAIN
 YANDEX_MONEY_SUCCESS_URL = '%s/' % DOMAIN
+YANDEX_MONEY_MWS_URL = 'https://penelope.yamoney.ru/webservice/mws/api/'
 # информировать о случаях, когда модуль вернул Яндекс.Кассе ошибку
 YANDEX_MONEY_MAIL_ADMINS_ON_PAYMENT_ERROR = True
 # Application definition
@@ -180,6 +181,8 @@ STATIC_ROOT = os.path.join(BASE_DIR, 'static')
 
 STATIC_URL = '/static/'
 
+SSL_ROOT = os.path.join(BASE_DIR, 'ssl')
+
 RAVEN_CONFIG = {
     'dsn': 'http://1a09557dbd144e52af4b14bea569c114:fbb5dfaa39e64f02a1b4cc7ac665d7d7@sentry.skillbox.ru/7'
 }