[B] Add option to use source filename for document ingestion

api/app/services/ingestions/strategy/document/inspector.rb

@@ -18,6 +18,7 @@ def title
           dublin_core_metadata("dc.title") ||
             first_tag_content("title") ||
             header_with_title_class_content ||
+            original_filename ||
             File.basename(source, ".*").titleize
         end
 
@@ -113,6 +114,13 @@ def source
           end
         end
 
+        def original_filename
+          return if ingestion.external_source_url.present?
+
+          filename = ingestion.source_data.with_indifferent_access[:metadata][:filename]
+          File.basename(filename, ".*").titleize
+        end
+
         def basename
           "index.html"
         end