function migratingModels()
 {
     $migrated = Cache::read('migrating_models');
     if (empty($migrated)) {
         App::import('Lib', 'Migration.MigrationConfig');
         $preset = MigrationConfig::load('preset');
         $full = MigrationConfig::load('full');
         $models = Migration::modelList();
         $migrated = array_values(array_intersect($models, array_keys($preset)));
         foreach (array_diff($models, $migrated) as $mname) {
             if (!Migration::modelIsExcluded($mname) && Migration::testModelIntegrity($mname)) {
                 $Model = ClassRegistry::init($mname);
                 if ($Model->hasField('modified') && ($full || $Model->Behaviors->attached('Migration'))) {
                     $p = explode('.', $mname);
                     $migrated[end($p)] = $mname;
                 }
             }
         }
         Cache::write('migrating_models', $migrated);
     }
     return $migrated;
 }