mail/src/js/util/update/update-v2.js

21 lines
675 B
JavaScript

'use strict';
/**
* Update handler for transition database version 1 -> 2
*
* In database version 2, the stored email objects have to be purged, because the
* new data model stores information about the email structure in the property 'bodyParts'.
*/
function updateV2(options) {
var emailDbType = 'email_',
versionDbType = 'dbVersion',
postUpdateDbVersion = 2;
// remove the emails
return options.userStorage.removeList(emailDbType).then(function() {
// update the database version to postUpdateDbVersion
return options.appConfigStorage.storeList([postUpdateDbVersion], versionDbType);
});
}
module.exports = updateV2;