Introduce banner text

src/pretix/api/serializers/event.py

@@ -532,6 +532,7 @@ class EventSettingsSerializer(serializers.Serializer):
         'checkout_email_helptext',
         'presale_has_ended_text',
         'voucher_explanation_text',
+        'banner_text',
         'show_dates_on_frontpage',
         'show_date_to',
         'show_times',

src/pretix/base/settings.py

@@ -1469,6 +1469,19 @@ Your {event} team"""))
             widget=I18nTextarea
         )
     },
+    'banner_text': {
+        'default': '',
+        'type': LazyI18nString,
+        'serializer_class': I18nField,
+        'form_class': I18nFormField,
+        'form_kwargs': dict(
+            label=_("Banner text"),
+            widget=I18nTextarea,
+            widget_kwargs={'attrs': {'rows': '2'}},
+            help_text=_("This text will be shown above and below every page of your shop. Please only use this for "
+                        "very important messages.")
+        )
+    },
     'voucher_explanation_text': {
         'default': '',
         'type': LazyI18nString,

src/pretix/control/forms/event.py

@@ -520,6 +520,7 @@ class EventSettingsForm(SettingsForm):
         'attendee_addresses_asked',
         'attendee_addresses_required',
         'confirm_text',
+        'banner_text',
         'order_email_asked_twice',
         'last_order_modification_date',
     ]

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

@@ -101,6 +101,7 @@
                 {% bootstrap_field sform.voucher_explanation_text layout="control" %}
                 {% bootstrap_field sform.confirm_text layout="control" %}
                 {% bootstrap_field sform.checkout_email_helptext layout="control" %}
+                {% bootstrap_field sform.banner_text layout="control" %}
             </fieldset>
             <fieldset>
                 <legend>{% trans "Shop design" %}</legend>

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

@@ -4,6 +4,7 @@
 {% load thumb %}
 {% load eventurl %}
 {% load safelink %}
+{% load rich_text %}
 {% block thetitle %}
     {% block title %}{% endblock %}{% if url_name != "event.index" %} :: {% endif %}{{ event.name }}
 {% endblock %}
@@ -112,8 +113,14 @@
             </div>
         {% endfor %}
     {% endif %}
+    {% if request.event.settings.banner_text %}
+        {{ request.event.settings.banner_text|rich_text }}
+    {% endif %}
     {% block content %}
     {% endblock %}
+    {% if request.event.settings.banner_text %}
+        {{ request.event.settings.banner_text|rich_text }}
+    {% endif %}
     {% if request.event.testmode %}
         {% if request.sales_channel.testmode_supported %}
             <div class="alert alert-testmode alert-warning">