Allow to add a custom text above the payment choice

src/pretix/base/settings.py

@@ -93,6 +93,10 @@ DEFAULTS = {
         'default': '30',
         'type': int
     },
+    'payment_explanation': {
+        'default': '',
+        'type': LazyI18nString
+    },
     'payment_term_days': {
         'default': '14',
         'type': int

src/pretix/control/forms/event.py

@@ -517,6 +517,16 @@ class PaymentSettingsForm(SettingsForm):
         help_text=_("The tax rule that applies for additional fees you configured for single payment methods. This "
                     "will set the tax rate and reverse charge rules, other settings of the tax rule are ignored.")
     )
+    payment_explanation = I18nFormField(
+        widget=I18nTextarea,
+        widget_kwargs={'attrs': {
+            'rows': 3,
+        }},
+        required=False,
+        label=_("Guidance text"),
+        help_text=_("This text will be shown above the payment options. You can explain the choices to the user here, "
+                    "if you want.")
+    )
 
     def clean(self):
         cleaned_data = super().clean()

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

@@ -54,6 +54,7 @@
             {% bootstrap_field form.payment_term_expire_automatically layout="control" %}
             {% bootstrap_field form.payment_term_accept_late layout="control" %}
             {% bootstrap_field form.tax_rate_default layout="control" %}
+            {% bootstrap_field form.payment_explanation layout="control" %}
         </fieldset>
         <div class="form-group submit-group">
             <button type="submit" class="btn btn-primary btn-save">

src/pretix/presale/templates/pretixpresale/event/checkout_payment.html

@@ -2,8 +2,12 @@
 {% load i18n %}
 {% load money %}
 {% load bootstrap3 %}
+{% load rich_text %}
 {% block inner %}
     <p>{% trans "Please select how you want to pay." %}</p>
+    {% if event.settings.payment_explanation %}
+        {{ event.settings.payment_explanation|rich_text }}
+    {% endif %}
     <form method="post">
         {% csrf_token %}
         <div class="panel-group" id="payment_accordion">