templatetag to fetch URL for downloadable file

Author: jrief

finder/templatetags/__init__.py

@@ -0,0 +1,14 @@
+from django import template
+
+from finder.models.file import FileModel
+
+register = template.Library()
+
+
+@register.simple_tag
+def download_url(file_id):
+    try:
+        finder_file = FileModel.objects.get_inode(id=file_id, is_folder=False)
+    except FileModel.DoesNotExist:
+        return ''
+    return finder_file.get_download_url()