fix(TextgridMetadata::filename_from_metadata): navigation results with auth...

fix(TextgridMetadata::filename_from_metadata): navigation results with auth denied have no title and no format

src/tgclients/metadata.py

@@ -80,8 +80,12 @@ class TextgridMetadata:
         Returns:
             str: the filename
         """
-        title = metadata.object_value.generic.provided.title[0]
-        mimetype = metadata.object_value.generic.provided.format
+        if metadata.authorized is False:
+            title = 'Restricted TextGrid Object'
+            mimetype = None
+        else:
+            title = metadata.object_value.generic.provided.title[0]
+            mimetype = metadata.object_value.generic.provided.format
         uri = metadata.object_value.generic.generated.textgrid_uri.value
         return self.filename(title, uri, mimetype)
 

tests/unit/test_textgrid_metadata.py

@@ -16,6 +16,7 @@ filenames = {
   'jfsx.0' : 'Biographie__Abraham_a_Sancta_Clara.jfsx.0.xml',
   'noformat.1' : 'Alice_im_Wunderland.noformat.1',
   'kmwm.0' : 'An_Herren_J.F._Ratschky.kmwm.0.work',
+  'noauth.0' : 'Restricted_TextGrid_Object.noauth.0',
 }