mirror of https://github.com/TryGhost/Ghost.git
79 lines
2.4 KiB
JavaScript
79 lines
2.4 KiB
JavaScript
var Promise = require('bluebird'),
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db = require('../db'),
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errors = require('../../errors'),
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ghostVersion = require('../../utils/ghost-version');
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/**
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* Database version has always two digits
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* Database version is Ghost Version X.X
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*
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* @TODO: remove alpha text!
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* @TODO: extend database validation
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*/
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function validateDatabaseVersion(version) {
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if (version === null) {
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throw new errors.DatabaseVersionError({
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code: 'VERSION_DOES_NOT_EXIST'
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});
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}
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if (!version.match(/\d\.\d/gi)) {
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throw new errors.DatabaseVersionError({
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message: 'Your database version is not compatible with Ghost 1.0.0 Alpha (master branch)',
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context: 'Want to keep your DB? Use Ghost < 1.0.0 or the "stable" branch. Otherwise please delete your DB and restart Ghost',
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help: 'More information on the Ghost 1.0.0 Alpha at https://support.ghost.org/v1-0-alpha'
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});
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}
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return version;
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}
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/**
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* If the database version is null, the database was never seeded.
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* The init migration script will set your database to current Ghost Version.
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*/
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function getDatabaseVersion(options) {
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options = options || {};
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return (options.transacting || db.knex).schema.hasTable('settings')
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.then(function (exists) {
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if (!exists) {
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return Promise.reject(new errors.DatabaseVersionError({
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code: 'SETTINGS_TABLE_DOES_NOT_EXIST'
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}));
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}
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return (options.transacting || db.knex)('settings')
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.where('key', 'databaseVersion')
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.first('value')
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.then(function (version) {
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return validateDatabaseVersion(version ? version.value : null);
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});
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});
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}
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function getNewestDatabaseVersion() {
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return ghostVersion.safe;
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}
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/**
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* Database version cannot set from outside.
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* If this function get called, we set the database version to your current Ghost version.
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*/
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function setDatabaseVersion(options) {
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options = options || {};
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return (options.transacting || db.knex)('settings')
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.where('key', 'databaseVersion')
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.update({
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value: getNewestDatabaseVersion()
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});
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}
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module.exports = {
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canMigrateFromVersion: '1.0',
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getNewestDatabaseVersion: getNewestDatabaseVersion,
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getDatabaseVersion: getDatabaseVersion,
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setDatabaseVersion: setDatabaseVersion
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};
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