gradient for the current week

app/item/models.py

@@ -312,11 +312,12 @@ class Week(models.Model):
         items, _ = Item.public(monday)
         return items.order_by('published')
 
-    @property
-    def background(self):
+    def background(self, now=None):
         if self.use_hue:
             colors = []
             for item in self.items():
+                if now and item.published > now:
+                    continue
                 color = item.get_hue(update=True)
                 if color:
                     if not colors: