new rake task to defer all flags

lib/tasks/posts.rake

@@ -202,3 +202,23 @@ task 'posts:delete_all_likes' => :environment do
   DirectoryItem.update_all(likes_given: 0, likes_received: 0) # clear user directory likes stats
   puts "", "#{likes_deleted} likes deleted!", ""
 end
+
+desc 'Defer all flags'
+task 'posts:defer_all_flags' => :environment do
+
+  active_flags = FlagQuery.flagged_post_actions('active')
+
+  flags_deferred = 0
+  total = active_flags.count
+
+  active_flags.each do |post_action|
+    begin
+      PostAction.defer_flags!(Post.find(post_action.post_id), Discourse.system_user)
+      print_status(flags_deferred += 1, total)
+    rescue
+      # skip
+    end
+  end
+
+  puts "", "#{flags_deferred} flags deferred!", ""
+end