From 4261cdac6e396294fe5f1b4fc3fcfdfaac6526c4 Mon Sep 17 00:00:00 2001
From: Ernesto Rico-Schmidt <ernesto.rico-schmidt@evolaris.net>
Date: Sat, 20 Aug 2016 21:24:34 +0200
Subject: added methods to list only active shows of a host and only active
 program slots of a show.


diff --git a/program/models.py b/program/models.py
index 8f6a65b..19c51bb 100644
--- a/program/models.py
+++ b/program/models.py
@@ -225,6 +225,9 @@ class Host(models.Model):
     def get_absolute_url(self):
         return reverse('host-detail', args=[str(self.id)])
 
+    def active_shows(self):
+        return self.shows.filter(programslots__until__gt=datetime.today())
+
 
 class Show(models.Model):
     predecessor = models.ForeignKey('self', blank=True, null=True, related_name='successors', verbose_name=_("Predecessor"))
@@ -256,6 +259,9 @@ class Show(models.Model):
     def get_absolute_url(self):
         return reverse('show-detail', args=[self.slug])
 
+    def active_programslots(self):
+        return self.programslots.filter(until__gt=date.today()).distinct()
+
 
 class RRule(models.Model):
     FREQ_CHOICES = (
-- 
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