add send_email field to mark-paid

src/pretix/control/forms/orders.py

@@ -104,7 +104,7 @@ class ConfirmPaymentForm(forms.Form):
 class CancelForm(ConfirmPaymentForm):
     send_email = forms.BooleanField(
         required=False,
-        label=_('Notify user by e-mail'),
+        label=_('Notify customer by email'),
         initial=True
     )
     cancellation_fee = forms.DecimalField(
@@ -139,6 +139,11 @@ class CancelForm(ConfirmPaymentForm):
 
 
 class MarkPaidForm(ConfirmPaymentForm):
+    send_email = forms.BooleanField(
+        required=False,
+        label=_('Notify customer by email'),
+        initial=True
+    )
     amount = forms.DecimalField(
         required=True,
         max_digits=10, decimal_places=2,

src/pretix/control/templates/pretixcontrol/order/pay.html

@@ -24,6 +24,7 @@
         {% bootstrap_form_errors form %}
         {% bootstrap_field form.amount layout='horizontal' %}
         {% bootstrap_field form.payment_date layout='horizontal' %}
+        {% bootstrap_field form.send_email layout='horizontal' %}
         {% if form.force %}
             {% bootstrap_field form.force layout='horizontal' horizontal_label_class='sr-only' horizontal_field_class='col-md-12' %}
         {% endif %}

src/pretix/control/views/orders.py

@@ -1105,6 +1105,7 @@ class OrderTransition(OrderView):
 
             try:
                 p.confirm(user=self.request.user, count_waitinglist=False, payment_date=payment_date,
+                          send_mail=self.mark_paid_form.cleaned_data['send_email'],
                           force=self.mark_paid_form.cleaned_data.get('force', False))
             except Quota.QuotaExceededException as e:
                 p.state = OrderPayment.PAYMENT_STATE_FAILED