#434

backend/app/services/counts_exporter.rb

@@ -48,17 +48,19 @@ class CountsExporter
     end
   end
 
-  def body(progress: nil)
-    return @table_export.body(progress:) if @table_export
+  def body(progress: nil, phase: nil)
+    return @table_export.body(progress:, phase:) if @table_export
 
     Enumerator.new do |output|
       ApplicationRecord.transaction(isolation: :repeatable_read) do
         processed = 0
         first_row = true
         started = false
+        phase&.call('aggregating')
         pages do |page|
           total = @mode == 'details' ? page[:count] : nil
           progress&.call(processed, total)
+          phase&.call('writing')
           unless started
             meta = { resource:, mode: @mode, basis: @history ? 'history' : 'state',
                      at: @query_params['at'], boundary: 'inclusive',
@@ -90,6 +92,7 @@ class CountsExporter
             processed += 1
             progress&.call(processed, total)
           end
+          phase&.call('aggregating')
         end
         progress&.call(processed, processed)
         output << ']}' if format == 'json'
@@ -135,7 +138,8 @@ class CountsExporter
                  { count: total,
                    versions: CountsVersionRepr.many(query.details, resource:,
                                                    language_code: @language,
-                                                   at: Time.iso8601(@query_params['at'])) }
+                                                   at: Time.iso8601(@query_params['at']),
+                                                   history_flg: true) }
                end
       total ||= result[:group_count]
       yield result