@SubjectPresent
public static Result askMerge() {
com.feth.play.module.pa.controllers.Authenticate.noCache(response());
// this is the currently logged in user
final AuthUser aUser = PlayAuthenticate.getUser(session());
// this is the user that was selected for a login
final AuthUser bUser = PlayAuthenticate.getMergeUser(session());
if (bUser == null) {
// user to merge with could not be found, silently redirect to login
return redirect(routes.Application.index());
}