Restore rename (#364)

Author: dcollie2

app/controllers/uploads_controller.rb

@@ -31,9 +31,16 @@ def document_params
     params.require(:documents).map do |document|
       {
         io: document,
-        filename: document.original_filename,
+        filename: derived_filename(document),
         content_type: document.content_type,
       }
     end
   end
+
+  def derived_filename(document)
+    [
+      "rename",
+      document.original_filename,
+    ].join("_")
+  end
 end

app/models/topic.rb

@@ -63,7 +63,7 @@ def custom_file_name(document)
       provider.file_name_prefix.present? ? provider.file_name_prefix.parameterize : provider.name.parameterize(separator: "_"),
       published_at_year,
       published_at_month,
-      document.filename.base.parameterize(separator: "_"),
+      document.filename.base.sub("rename_", "").parameterize(separator: "_"),
     ].compact.join("_") + "." + document.filename.extension
   end