Allow to disable some e-mails depending on sales channel (#1726)

Co-authored-by: Raphael Michel <michel@rami.io>

src/pretix/base/migrations/0159_mails_by_sales_channel.py

@@ -0,0 +1,39 @@
+# Generated by Django 3.0.8 on 2020-07-24 09:05
+
+from django.db import migrations
+
+from pretix.base.channels import get_all_sales_channels
+
+def set_sales_channels(apps, schema_editor):
+    # We now allow restricting some mails to certain sales channels
+    # The default is changing from all channels to "web" only
+    # Therefore, for existing events, we enable all sales channels
+    Event_SettingsStore = apps.get_model('pretixbase', 'Event_SettingsStore')
+    Event = apps.get_model('pretixbase', 'Event')
+    all_sales_channels = "[" + ", ".join('"' + sc + '"' for sc in get_all_sales_channels()) + "]"
+    batch_size = 1000
+    Event_SettingsStore.objects.bulk_create([
+        Event_SettingsStore(
+            object=event,
+            key="mail_sales_channel_placed_paid",
+            value=all_sales_channels)
+        for event in Event.objects.all()
+    ], batch_size=batch_size)
+    Event_SettingsStore.objects.bulk_create([
+        Event_SettingsStore(
+            object=event,
+            key="mail_sales_channel_download_reminder",
+            value=all_sales_channels)
+        for event in Event.objects.all()
+    ], batch_size=batch_size)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0158_auto_20200724_0754'),
+    ]
+
+    operations = [
+        migrations.RunPython(set_sales_channels, migrations.RunPython.noop),
+    ]

src/pretix/base/models/orders.py

@@ -1491,7 +1491,7 @@ class OrderPayment(models.Model):
                     trigger_pdf=not send_mail or not self.order.event.settings.invoice_email_attachment
                 )
 
-        if send_mail:
+        if send_mail and self.order.sales_channel in self.order.event.settings.mail_sales_channel_placed_paid:
             self._send_paid_mail(invoice, user, mail_text)
             if self.order.event.settings.mail_send_order_paid_attendee:
                 for p in self.order.positions.all():

src/pretix/base/services/orders.py

@@ -960,11 +960,12 @@ def _perform_order(event: Event, payment_provider: str, position_ids: List[str],
             email_attendees = event.settings.mail_send_order_placed_attendee
             email_attendees_template = event.settings.mail_text_order_placed_attendee
 
-        _order_placed_email(event, order, pprov, email_template, log_entry, invoice, payment)
-        if email_attendees:
-            for p in order.positions.all():
-                if p.addon_to_id is None and p.attendee_email and p.attendee_email != order.email:
-                    _order_placed_email_attendee(event, order, p, email_attendees_template, log_entry)
+        if sales_channel in event.settings.mail_sales_channel_placed_paid:
+            _order_placed_email(event, order, pprov, email_template, log_entry, invoice, payment)
+            if email_attendees:
+                for p in order.positions.all():
+                    if p.addon_to_id is None and p.attendee_email and p.attendee_email != order.email:
+                        _order_placed_email_attendee(event, order, p, email_attendees_template, log_entry)
 
     return order.id
 
@@ -1056,6 +1057,9 @@ def send_download_reminders(sender, **kwargs):
         if days is None:
             continue
 
+        if o.sales_channel not in event.settings.mail_sales_channel_download_reminder:
+            continue
+
         reminder_date = (o.first_date - timedelta(days=days)).replace(hour=0, minute=0, second=0, microsecond=0)
         if now() < reminder_date or o.datetime > reminder_date:
             continue

src/pretix/base/settings.py

@@ -1190,6 +1190,14 @@ DEFAULTS = {
                         "Defaults to your event name."),
         )
     },
+    'mail_sales_channel_placed_paid': {
+        'default': ['web'],
+        'type': list,
+    },
+    'mail_sales_channel_download_reminder': {
+        'default': ['web'],
+        'type': list,
+    },
     'mail_text_signature': {
         'type': LazyI18nString,
         'default': ""