Users can specify a separate email address that will receive invoices.

hc/payments/forms.py

@@ -0,0 +1,16 @@
+from django import forms
+from hc.accounts.forms import LowercaseEmailField
+
+
+class InvoiceEmailingForm(forms.Form):
+    send_invoices = forms.IntegerField(min_value=0, max_value=2)
+    invoice_email = LowercaseEmailField(required=False)
+
+    def update_subscription(self, sub):
+        sub.send_invoices = self.cleaned_data["send_invoices"] > 0
+        if self.cleaned_data["send_invoices"] == 2:
+            sub.invoice_email = self.cleaned_data["invoice_email"]
+        else:
+            sub.invoice_email = ""
+
+        sub.save()

hc/payments/migrations/0006_subscription_invoice_email.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2018-04-21 15:23
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('payments', '0005_subscription_plan_name'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='subscription',
+            name='invoice_email',
+            field=models.EmailField(blank=True, max_length=254),
+        ),
+    ]

hc/payments/models.py

@@ -35,6 +35,16 @@ class SubscriptionManager(models.Manager):
 
         return sub, tx
 
+    def by_braintree_webhook(self, request):
+        sig = str(request.POST["bt_signature"])
+        payload = str(request.POST["bt_payload"])
+
+        doc = braintree.WebhookNotification.parse(sig, payload)
+        assert doc.kind == "subscription_charged_successfully"
+
+        sub = self.get(subscription_id=doc.subscription.id)
+        return sub, doc.subscription.transactions[0]
+
 
 class Subscription(models.Model):
     user = models.OneToOneField(User, models.CASCADE, blank=True, null=True)
@@ -45,6 +55,7 @@ class Subscription(models.Model):
     plan_name = models.CharField(max_length=50, blank=True)
     address_id = models.CharField(max_length=2, blank=True)
     send_invoices = models.BooleanField(default=True)
+    invoice_email = models.EmailField(blank=True)
 
     objects = SubscriptionManager()
 

hc/payments/tests/test_billing.py

@@ -1,16 +1,33 @@
-from mock import patch
-
 from hc.payments.models import Subscription
 from hc.test import BaseTestCase
 
 
-class SetPlanTestCase(BaseTestCase):
+class BillingCase(BaseTestCase):
 
-    @patch("hc.payments.models.braintree")
-    def test_it_saves_send_invoices_flag(self, mock):
+    def test_it_disables_invoice_emailing(self):
         self.client.login(username="alice@example.org", password="password")
 
-        form = {"save_send_invoices": True}
+        form = {"send_invoices": "0"}
         self.client.post("/accounts/profile/billing/", form)
         sub = Subscription.objects.get()
         self.assertFalse(sub.send_invoices)
+        self.assertEqual(sub.invoice_email, "")
+
+    def test_it_enables_invoice_emailing(self):
+        self.client.login(username="alice@example.org", password="password")
+
+        form = {"send_invoices": "1"}
+        self.client.post("/accounts/profile/billing/", form)
+        sub = Subscription.objects.get()
+        self.assertTrue(sub.send_invoices)
+        self.assertEqual(sub.invoice_email, "")
+
+    def test_it_saves_invoice_email(self):
+        self.client.login(username="alice@example.org", password="password")
+
+        form = {"send_invoices": "2", "invoice_email": "invoices@example.org"}
+        self.client.post("/accounts/profile/billing/", form)
+
+        sub = Subscription.objects.get()
+        self.assertTrue(sub.send_invoices)
+        self.assertEqual(sub.invoice_email, "invoices@example.org")

hc/payments/tests/test_charge_webhook.py

@@ -0,0 +1,75 @@
+from mock import Mock, patch
+from unittest import skipIf
+
+from django.core import mail
+from django.utils.timezone import now
+from hc.payments.models import Subscription
+from hc.test import BaseTestCase
+
+try:
+    import reportlab
+except ImportError:
+    reportlab = None
+
+
+class ChargeWebhookTestCase(BaseTestCase):
+
+    def setUp(self):
+        super(ChargeWebhookTestCase, self).setUp()
+        self.sub = Subscription(user=self.alice)
+        self.sub.subscription_id = "test-id"
+        self.sub.customer_id = "test-customer-id"
+        self.sub.send_invoices = True
+        self.sub.save()
+
+        self.tx = Mock()
+        self.tx.id = "abc123"
+        self.tx.customer_details.id = "test-customer-id"
+        self.tx.created_at = now()
+        self.tx.currency_iso_code = "USD"
+        self.tx.amount = 5
+        self.tx.subscription_details.billing_period_start_date = now()
+        self.tx.subscription_details.billing_period_end_date = now()
+
+    @skipIf(reportlab is None, "reportlab not installed")
+    @patch("hc.payments.views.Subscription.objects.by_braintree_webhook")
+    def test_it_works(self, mock_getter):
+        mock_getter.return_value = self.sub, self.tx
+
+        r = self.client.post("/pricing/charge/")
+        self.assertEqual(r.status_code, 200)
+
+        # See if email was sent
+        self.assertEqual(len(mail.outbox), 1)
+        msg = mail.outbox[0]
+        self.assertEqual(msg.subject, "Invoice from Mychecks")
+        self.assertEqual(msg.to, ["alice@example.org"])
+        self.assertEqual(msg.attachments[0][0], "MS-HC-ABC123.pdf")
+
+    @patch("hc.payments.views.Subscription.objects.by_braintree_webhook")
+    def test_it_obeys_send_invoices_flag(self, mock_getter):
+        mock_getter.return_value = self.sub, self.tx
+
+        self.sub.send_invoices = False
+        self.sub.save()
+
+        r = self.client.post("/pricing/charge/")
+        self.assertEqual(r.status_code, 200)
+
+        # It should not send the email
+        self.assertEqual(len(mail.outbox), 0)
+
+    @skipIf(reportlab is None, "reportlab not installed")
+    @patch("hc.payments.views.Subscription.objects.by_braintree_webhook")
+    def test_it_uses_invoice_email(self, mock_getter):
+        mock_getter.return_value = self.sub, self.tx
+
+        self.sub.invoice_email = "alices_accountant@example.org"
+        self.sub.save()
+
+        r = self.client.post("/pricing/charge/")
+        self.assertEqual(r.status_code, 200)
+
+        # See if the email was sent to Alice's accountant:
+        self.assertEqual(len(mail.outbox), 1)
+        self.assertEqual(mail.outbox[0].to, ["alices_accountant@example.org"])

hc/payments/views.py

@@ -8,6 +8,7 @@ from django.views.decorators.http import require_POST
 import six
 from hc.api.models import Check
 from hc.lib import emails
+from hc.payments.forms import InvoiceEmailingForm
 from hc.payments.invoices import PdfInvoice
 from hc.payments.models import Subscription
 
@@ -41,13 +42,15 @@ def billing(request):
     # Don't use Subscription.objects.for_user method here, so a
     # subscription object is not created just by viewing a page.
     sub = Subscription.objects.filter(user_id=request.user.id).first()
+    if sub is None:
+        sub = Subscription(user=request.user)
 
     send_invoices_status = "default"
     if request.method == "POST":
-        if "save_send_invoices" in request.POST:
+        form = InvoiceEmailingForm(request.POST)
+        if form.is_valid():
             sub = Subscription.objects.for_user(request.user)
-            sub.send_invoices = "send_invoices" in request.POST
-            sub.save()
+            form.update_subscription(sub)
             send_invoices_status = "success"
 
     ctx = {
@@ -208,22 +211,15 @@ def pdf_invoice(request, transaction_id):
 @csrf_exempt
 @require_POST
 def charge_webhook(request):
-    sig = str(request.POST["bt_signature"])
-    payload = str(request.POST["bt_payload"])
-
-    import braintree
-    doc = braintree.WebhookNotification.parse(sig, payload)
-    if doc.kind != "subscription_charged_successfully":
-        return HttpResponseBadRequest()
-
-    sub = Subscription.objects.get(subscription_id=doc.subscription.id)
+    sub, tx = Subscription.objects.by_braintree_webhook(request)
     if sub.send_invoices:
-        transaction = doc.subscription.transactions[0]
-        filename = "MS-HC-%s.pdf" % transaction.id.upper()
+        filename = "MS-HC-%s.pdf" % tx.id.upper()
 
         sink = six.BytesIO()
-        PdfInvoice(sink).render(transaction, sub.flattened_address())
-        ctx = {"tx": transaction}
-        emails.invoice(sub.user.email, ctx, filename, sink.getvalue())
+        PdfInvoice(sink).render(tx, sub.flattened_address())
+        ctx = {"tx": tx}
+
+        recipient = sub.invoice_email or sub.user.email
+        emails.invoice(recipient, ctx, filename, sink.getvalue())
 
     return HttpResponse()

static/css/billing.css

@@ -0,0 +1,8 @@
+#invoice-email {
+    margin-left: 50px;
+    width: 300px;
+}
+
+#invoice-emailing-status {
+    margin-right: 150px;
+}

templates/accounts/billing.html

@@ -148,27 +148,24 @@
 
         <div class="panel panel-{{ send_invoices_status }}">
             <div class="panel-body settings-block">
-                <form method="post">
-                    {% csrf_token %}
                 <h2>Invoices to Email</h2>
 
-                    <label class="checkbox-container">
-                        <input
-                            name="send_invoices"
-                            type="checkbox"
-                            {% if sub.send_invoices %}checked{% endif %}>
-                        <span class="checkmark"></span>
-                        Send the invoice to {{ request.user.email }}
+                <p id="invoice-emailing-status">
+                {% if sub.send_invoices %}
+                    Send the invoice to
+                    {{ sub.invoice_email|default:request.user.email }}
                     each time my payment method is successfully charged.
-                    </label>
+                {% else %}
+                    Do not email invoices to me.
+                {% endif %}
+                </p>
 
                 <button
-                        type="submit"
-                        name="save_send_invoices"
+                    data-toggle="modal"
+                    data-target="#invoice-emailing-modal"
                     class="btn btn-default pull-right">
-                        Save Changes
+                    Change Preference
                 </button>
-                </form>
             </div>
             {% if send_invoices_status == "success" %}
             <div class="panel-footer">
@@ -447,6 +444,68 @@
         </form>
     </div>
 </div>
+
+<div id="invoice-emailing-modal" class="modal pm-modal">
+    <div class="modal-dialog">
+        <form method="post">
+            {% csrf_token %}
+            <div class="modal-content">
+                <div class="modal-header">
+                    <button type="button" class="close" data-dismiss="modal">&times;</button>
+                    <h4>Invoices to Email</h4>
+                </div>
+                <div class="modal-body">
+                    <label class="radio-container">
+                        <input
+                            type="radio"
+                            name="send_invoices"
+                            value="0"
+                            {% if not sub.send_invoices %} checked {% endif %}>
+                        <span class="radiomark"></span>
+                        Do not email invoices to me
+                    </label>
+                    <label class="radio-container">
+                        <input
+                            type="radio"
+                            name="send_invoices"
+                            value="1"
+                            {% if sub.send_invoices and not sub.invoice_email %} checked {% endif %}>
+                        <span class="radiomark"></span>
+                        Send invoices to {{ profile.user.email }}
+                    </label>
+                    <label class="radio-container">
+                        <input
+                            type="radio"
+                            name="send_invoices"
+                            value="2"
+                            {% if sub.send_invoices and sub.invoice_email %} checked {% endif %}>
+                        <span class="radiomark"></span>
+                        Send invoices to this email address:
+                    </label>
+
+                    <input
+                        id="invoice-email"
+                        name="invoice_email"
+                        placeholder="you@example.org"
+                        value="{{ sub.invoice_email }}"
+                        type="email"
+                        class="form-control" />
+
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-default" data-dismiss="modal">
+                        Cancel
+                    </button>
+                    <button type="submit" class="btn btn-primary">
+                        Save Changes
+                    </button>
+                </div>
+            </div>
+        </form>
+    </div>
+</div>
+
+
 {% endblock %}
 
 {% block scripts %}

templates/base.html

@@ -40,6 +40,7 @@
     <link rel="stylesheet" href="{% static 'css/profile.css' %}" type="text/css">
     <link rel="stylesheet" href="{% static 'css/checkbox.css' %}" type="text/css">
     <link rel="stylesheet" href="{% static 'css/radio.css' %}" type="text/css">
+    <link rel="stylesheet" href="{% static 'css/billing.css' %}" type="text/css">
     {% endcompress %}
 </head>
 <body class="page-{{ page }}">