From 0c4368170f58046c75b42b1bc723fc26bd0db997 Mon Sep 17 00:00:00 2001
From: Raphael Michel <mail@raphaelmichel.de>
Date: Tue, 14 Jun 2016 13:05:47 +0200
Subject: [PATCH] Added hook for links in the footer

---
 doc/development/api/general.rst                            | 5 +++++
 src/pretix/presale/context.py                              | 6 +++++-
 src/pretix/presale/signals.py                              | 7 +++++++
 src/pretix/presale/templates/pretixpresale/event/base.html | 4 ++++
 4 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/doc/development/api/general.rst b/doc/development/api/general.rst
index 9553bd7701..fcad5e0c14 100644
--- a/doc/development/api/general.rst
+++ b/doc/development/api/general.rst
@@ -35,6 +35,11 @@ in pretix.
 ``pretix.control.signals.nav_event``
     The sidebar navigation when the admin has selected an event.
 
+Footer links
+------------
+The signal ``pretix.presale.signals.footer_links`` allows you to add links to the footer of an event page. You
+are expected to return a dictionary containing the keys ``label`` and ``url``.
+
 Order events
 ------------
 
diff --git a/src/pretix/presale/context.py b/src/pretix/presale/context.py
index eeac785335..e2b4a4322a 100644
--- a/src/pretix/presale/context.py
+++ b/src/pretix/presale/context.py
@@ -1,7 +1,7 @@
 from django.conf import settings
 from django.core.urlresolvers import Resolver404, resolve
 
-from .signals import html_head
+from .signals import footer_link, html_head
 
 
 def contextprocessor(request):
@@ -18,10 +18,14 @@ def contextprocessor(request):
     ctx = {
     }
     _html_head = []
+    _footer = []
     if hasattr(request, 'event'):
         for receiver, response in html_head.send(request.event, request=request):
             _html_head.append(response)
+        for receiver, response in footer_link.send(request.event, request=request):
+            _footer.append(response)
     ctx['html_head'] = "".join(_html_head)
+    ctx['footer'] = _footer
     ctx['site_url'] = settings.SITE_URL
 
     return ctx
diff --git a/src/pretix/presale/signals.py b/src/pretix/presale/signals.py
index c16afa3b60..65ebe35d8f 100644
--- a/src/pretix/presale/signals.py
+++ b/src/pretix/presale/signals.py
@@ -7,6 +7,13 @@ html_head = EventPluginSignal(
     providing_args=["request"]
 )
 
+"""
+This signal is sent out to include links in the footer
+"""
+footer_link = EventPluginSignal(
+    providing_args=["request"]
+)
+
 """
 This signal is sent out to retrieve pages for the checkout flow
 """
diff --git a/src/pretix/presale/templates/pretixpresale/event/base.html b/src/pretix/presale/templates/pretixpresale/event/base.html
index a02f42f1c0..d00ae093e9 100644
--- a/src/pretix/presale/templates/pretixpresale/event/base.html
+++ b/src/pretix/presale/templates/pretixpresale/event/base.html
@@ -58,4 +58,8 @@
         <a href="{{ request.event.settings.imprint_url }}" target="_blank">{% trans "Imprint" %}</a>
         &middot;
     {% endif %}
+    {% for f in footer %}
+        <a href="{{ f.url }}" target="_blank">{{ f.label }}</a>
+        &middot;
+    {% endfor %}
 {% endblock %}