Added a donut chart to the quota view

Moved morris.js out of the statistics plugin

src/pretix/plugins/statistics/signals.py

@@ -1,11 +1,9 @@
 from django.core.urlresolvers import resolve, reverse
 from django.dispatch import receiver
-from django.template import Context
-from django.template.loader import get_template
 from django.utils.translation import ugettext_lazy as _
 
 from pretix.base.signals import order_paid, order_placed
-from pretix.control.signals import html_head, nav_event
+from pretix.control.signals import nav_event
 
 
 @receiver(nav_event, dispatch_uid="statistics_nav")
@@ -26,17 +24,6 @@ def control_nav_import(sender, request=None, **kwargs):
     ]
 
 
-@receiver(html_head, dispatch_uid="statistics_html_head")
-def html_head_presale(sender, request=None, **kwargs):
-    url = resolve(request.path_info)
-    if url.namespace == 'plugins:statistics':
-        template = get_template('pretixplugins/statistics/control_head.html')
-        ctx = Context({})
-        return template.render(ctx)
-    else:
-        return ""
-
-
 def clear_cache(sender, *args, **kwargs):
     cache = sender.get_cache()
     cache.delete('statistics_obd_data')

src/pretix/plugins/statistics/static/pretixplugins/statistics/morris.css

@@ -1,2 +0,0 @@
-.morris-hover{position:absolute;z-index:1000}.morris-hover.morris-default-style{border-radius:10px;padding:6px;color:#666;background:rgba(255,255,255,0.8);border:solid 2px rgba(230,230,230,0.8);font-family:sans-serif;font-size:12px;text-align:center}.morris-hover.morris-default-style .morris-hover-row-label{font-weight:bold;margin:0.25em 0}
-.morris-hover.morris-default-style .morris-hover-point{white-space:nowrap;margin:0.1em 0}

src/pretix/plugins/statistics/templates/pretixplugins/statistics/control_head.html

@@ -1,8 +0,0 @@
-{% load staticfiles %}
-{% load compress %}
-
-{% compress css %}
-    <link type="text/css" rel="stylesheet" href="{% static "pretixplugins/statistics/morris.css" %}">
-{% endcompress %}
-<script type="text/javascript" src="{% static "pretixplugins/statistics/raphael-min.js" %}"></script>
-<script type="text/javascript" src="{% static "pretixplugins/statistics/morris.min.js" %}"></script>

src/pretix/plugins/statistics/views.py

@@ -9,19 +9,14 @@ from django.views.generic import TemplateView
 
 from pretix.base.models import Item, Order, OrderPosition
 from pretix.control.permissions import EventPermissionRequiredMixin
+from pretix.control.views import ChartContainingView
 from pretix.plugins.statistics.signals import clear_cache
 
 
-class IndexView(EventPermissionRequiredMixin, TemplateView):
+class IndexView(EventPermissionRequiredMixin, ChartContainingView, TemplateView):
     template_name = 'pretixplugins/statistics/index.html'
     permission = 'can_view_orders'
 
-    def get(self, request, *args, **kwargs):
-        resp = super().get(request, *args, **kwargs)
-        # required by raphael.js
-        resp['Content-Security-Policy'] = "script-src {static} 'unsafe-eval'; style-src {static} 'unsafe-inline'"
-        return resp
-
     def get_context_data(self, **kwargs):
         ctx = super().get_context_data(**kwargs)
         tz = timezone.get_current_timezone()