continue migration: make website working

aircox/templatetags/aircox.py

@@ -0,0 +1,28 @@
+import random
+
+from django import template
+
+from aircox.models import Page, Diffusion
+
+random.seed()
+register = template.Library()
+
+
+@register.simple_tag(name='unique_id')
+def do_unique_id(prefix=''):
+    value = str(random.random()).replace('.', '')
+    return prefix + '_' + value if prefix else value
+
+
+@register.filter(name='is_diffusion')
+def do_is_diffusion(obj):
+    return isinstance(obj, Diffusion)
+
+
+@register.simple_tag(name='nav_items', takes_context=True)
+def do_nav_items(context, menu, **kwargs):
+    station, request = context['station'], context['request']
+    return [(item, item.render(request, **kwargs))
+            for item in station.navitem_set.filter(menu=menu)]
+
+