sort by id order

backend/model/ladybird_export.rb

@@ -103,18 +103,15 @@ def to_stream
       # fields required for the report. These values are stored as instance
       # variables and as such many of the helper methods will only return data
       # once `dataset` has been called.
-      all_rows = dataset.all
-      @ids.each do |id|
-        all_rows.select {|row| row[:archival_object_id] == id }.each do |row|
-          row_style = nil
+      dataset.all.sort{|x,y| @ids.index(x[:archival_object_id]) <=> @ids.index(y[:archival_object_id])}.each do |row|
+        row_style = nil
 
-          if has_digital_object_instances?(row[:archival_object_id])
-            row_style = highlight
-          end
+        if has_digital_object_instances?(row[:archival_object_id])
+          row_style = highlight
+        end
 
-          sheet.add_row column_definitions.map {|col| col[:proc].call(row) }, :style => row_style
+        sheet.add_row column_definitions.map {|col| col[:proc].call(row) }, :style => row_style
 
-        end
       end
     end