/**
  * Import module objects from given array datas
  *
  * @param array $data The module datas to import
  * @param array $params The import parameters.
  *		array(
  *				module	=> false|true : the module to create categories (required)
  *				create	=> false|true : create missing objects (default : true)
  *				update	=> false|true : update existing objects (default : true)
  *				files	=> false|true : use files from PATH_TMP_FS (default : true)
  *			)
  * @param CMS_language $cms_language The CMS_langage to use
  * @param array $idsRelation : Reference : The relations between import datas ids and real imported ids
  * @param string $infos : Reference : The import infos returned
  * @return boolean : true on success, false on failure
  * @access public
  */
 static function fromArray($data, $params, $cms_language, &$idsRelation, &$infos)
 {
     if (!isset($params['module'])) {
         $infos .= 'Error : missing module codename for objects importation ...' . "\n";
         return false;
     }
     $module = CMS_modulesCatalog::getByCodename($params['module']);
     if ($module->hasError()) {
         $infos .= 'Error : invalid module for objects importation : ' . $params['module'] . "\n";
         return false;
     }
     $return = true;
     //first create missing objects to get relation ids
     foreach ($data as $objectDatas) {
         if (!isset($objectDatas['uuid']) || !CMS_poly_object_catalog::objectExists($params['module'], $objectDatas['uuid'])) {
             //create new object if we can
             if (!isset($params['create']) || $params['create'] == true) {
                 //create object
                 $object = new CMS_poly_object_definition();
                 //set module
                 $object->setValue('module', $params['module']);
                 //set uuid
                 $object->setUuid($objectDatas['uuid']);
                 //write object to persistence to get relations ids
                 $object->writeToPersistence();
                 //set id translation
                 if (isset($objectDatas['id']) && $objectDatas['id']) {
                     // && $object->getID() != $objectDatas['id']) {
                     // Fix for bug #3157 : in some cases the imported object will have the same id has the newly created,
                     // we still need the relation table otherwise it will fail to link to the new object
                     $idsRelation['objects'][$objectDatas['id']] = $object->getID();
                 }
                 //set uuid translation
                 if (isset($objectDatas['uuid']) && $objectDatas['uuid'] && $object->getValue('uuid') != $objectDatas['uuid']) {
                     $idsRelation['objects-uuid'][$objectDatas['uuid']] = $object->getValue('uuid');
                 }
             }
         } elseif (isset($objectDatas['uuid']) && isset($objectDatas['id'])) {
             //get relation between imported object id and local id
             $id = CMS_poly_object_catalog::objectExists($params['module'], $objectDatas['uuid']);
             if (io::isPositiveInteger($id)) {
                 $idsRelation['objects'][$objectDatas['id']] = $id;
             }
         }
     }
     //then import objects datas
     foreach ($data as $objectDatas) {
         $importType = '';
         if (isset($objectDatas['uuid']) && ($id = CMS_poly_object_catalog::objectExists($params['module'], $objectDatas['uuid']))) {
             //object already exist : load it if we can update it
             if (!isset($params['update']) || $params['update'] == true) {
                 $object = CMS_poly_object_catalog::getObjectDefinition($id);
                 $importType = ' (Update)';
                 //set id translation
                 $idsRelation['objects'][$objectDatas['id']] = $id;
             }
         } else {
             //check for translated id
             if (isset($objectDatas['id']) && isset($idsRelation['objects'][$objectDatas['id']])) {
                 //object exists with a translated id
                 $objectDatas['id'] = $idsRelation['objects'][$objectDatas['id']];
                 //load translated object
                 $object = CMS_poly_object_catalog::getObjectDefinition($objectDatas['id']);
                 $importType = ' (Creation)';
             }
             //check for translated uuid
             if (isset($objectDatas['uuid']) && isset($idsRelation['objects-uuid'][$objectDatas['uuid']])) {
                 //object exists with a translated uuid
                 $objectDatas['uuid'] = $idsRelation['objects-uuid'][$objectDatas['uuid']];
                 //load translated object
                 if ($id = CMS_poly_object_catalog::objectExists($params['module'], $objectDatas['uuid'])) {
                     $object = CMS_poly_object_catalog::getObjectDefinition($id);
                     $importType = ' (Creation)';
                 }
             }
         }
         if (isset($object)) {
             if ($object->fromArray($objectDatas, $params, $cms_language, $idsRelation, $infos)) {
                 $return &= true;
                 $infos .= 'Object "' . $object->getLabel($cms_language) . '" successfully imported' . $importType . "\n";
             } else {
                 $return = false;
                 $infos .= 'Error during import of object ' . $objectDatas['id'] . $importType . "\n";
             }
         }
     }
     return $return;
 }