Add eMail-Template for free approval orders (#1750)

Co-authored-by: Felix Rindt <felix@rindt.me>

src/pretix/base/services/orders.py

@@ -258,7 +258,7 @@ def approve_order(order, user=None, send_mail: bool=True, auth=None, force=False
     if send_mail:
         with language(order.locale):
             if order.total == Decimal('0.00'):
-                email_template = order.event.settings.mail_text_order_free
+                email_template = order.event.settings.mail_text_order_approved_free
                 email_subject = _('Order approved and confirmed: %(code)s') % {'code': order.code}
             else:
                 email_template = order.event.settings.mail_text_order_approved

src/pretix/base/settings.py

@@ -1419,6 +1419,19 @@ You can select a payment method and perform the payment here:
 
 {url}
 
+Best regards,
+Your {event} team"""))
+    },
+    'mail_text_order_approved_free': {
+        'type': LazyI18nString,
+        'default': LazyI18nString.from_gettext(gettext_noop("""Hello,
+
+we approved your order for {event} and will be happy to welcome you
+at our event. As you only ordered free products, no payment is required.
+
+You can change your order details and view the status of your order at
+{url}
+
 Best regards,
 Your {event} team"""))
     },

src/pretix/control/forms/event.py

@@ -929,6 +929,13 @@ class MailSettingsForm(SettingsForm):
         required=False,
         widget=I18nTextarea,
         help_text=_("This will only be sent out for non-free orders. Free orders will receive the free order "
+                    "template from below instead."),
+    )
+    mail_text_order_approved_free = I18nFormField(
+        label=_("Approved free order"),
+        required=False,
+        widget=I18nTextarea,
+        help_text=_("This will only be sent out for free orders. Non-free orders will receive the non-free order "
                     "template from above instead."),
     )
     mail_text_order_denied = I18nFormField(
@@ -978,6 +985,7 @@ class MailSettingsForm(SettingsForm):
         'mail_text_order_placed_attendee': ['event', 'order', 'position'],
         'mail_text_order_placed_require_approval': ['event', 'order'],
         'mail_text_order_approved': ['event', 'order'],
+        'mail_text_order_approved_free': ['event', 'order'],
         'mail_text_order_denied': ['event', 'order', 'comment'],
         'mail_text_order_paid': ['event', 'order', 'payment_info'],
         'mail_text_order_paid_attendee': ['event', 'order', 'position'],

src/pretix/control/templates/pretixcontrol/event/mail.html

@@ -74,7 +74,7 @@
                     {% include "pretixcontrol/event/mail_settings_fragment.html" with pid="ticket_reminder" title=title_download_tickets_reminder items="mail_days_download_reminder,mail_text_download_reminder,mail_send_download_reminder_attendee,mail_text_download_reminder_attendee,mail_sales_channel_download_reminder" exclude="mail_days_download_reminder,mail_send_download_reminder_attendee,mail_sales_channel_download_reminder" %}
 
                     {% blocktrans asvar title_require_approval %}Order approval process{% endblocktrans %}
-                    {% include "pretixcontrol/event/mail_settings_fragment.html" with pid="ticket_reminder" title=title_require_approval  items="mail_text_order_placed_require_approval,mail_text_order_approved,mail_text_order_denied" %}
+                    {% include "pretixcontrol/event/mail_settings_fragment.html" with pid="ticket_reminder" title=title_require_approval  items="mail_text_order_placed_require_approval,mail_text_order_approved,mail_text_order_approved_free,mail_text_order_denied" %}
                 </div>
             </fieldset>
             <fieldset>