more models

render.py

@@ -1112,3 +1112,27 @@ def update_unused():
         l.add(i)
     for i in l.items.filter(public_id__in=set(used)):
         l.remove(i)
+
+def unused_tags():
+    import itemlist.models
+    import item.models
+    prefix = default_prefix
+
+    with open(os.path.join(prefix, "clips.json")) as fd:
+        clips = json.load(fd)
+    with open(os.path.join(prefix, "voice_over.json")) as fd:
+        voice_over = json.load(fd)
+    fragments = get_fragments(clips, voice_over, prefix)
+    tags = []
+
+    for fragment in fragments:
+        tags += fragment['tags']
+
+    used_tags = set(tags)
+    all_tags = {t.value for t in item.models.Facet.objects.filter(key='tags').distinct()}
+    unused_tags = all_tags - used_tags
+    unused_items = itemlist.models.List.objects.get(name='Unused Material').items.all()
+    with open("/srv/pandora/static/power/unused-tags.txt", "w") as fd:
+        for tag in sorted(unused_tags):
+            count = unused_items.filter(data__tags__contains=tag).count()
+            fd.write("%s (%d unused video clips)\n" % (tag, count))