Files
cloudron-box/src/backupdb.js
Girish Ramakrishnan bbff195863 rename filename to id
2016-04-04 12:20:56 -07:00

115 lines
4.2 KiB
JavaScript

'use strict';
var assert = require('assert'),
database = require('./database.js'),
DatabaseError = require('./databaseerror.js'),
util = require('util');
var BACKUPS_FIELDS = [ 'id', 'creationTime', 'version', 'type', 'dependsOn', 'state', ];
exports = module.exports = {
add: add,
getPaged: getPaged,
get: get,
del: del,
getByAppIdPaged: getByAppIdPaged,
_clear: clear,
BACKUP_TYPE_APP: 'app',
BACKUP_TYPE_BOX: 'box',
BACKUP_STATE_NORMAL: 'normal', // should rename to created to avoid listing in UI?
};
function postProcess(result) {
assert.strictEqual(typeof result, 'object');
result.dependsOn = result.dependsOn ? result.dependsOn.split(',') : [ ];
}
function getPaged(page, perPage, callback) {
assert(typeof page === 'number' && page > 0);
assert(typeof perPage === 'number' && perPage > 0);
assert.strictEqual(typeof callback, 'function');
database.query('SELECT ' + BACKUPS_FIELDS + ' FROM backups WHERE type = ? AND state = ? ORDER BY creationTime DESC LIMIT ?,?',
[ exports.BACKUP_TYPE_BOX, exports.BACKUP_STATE_NORMAL, (page-1)*perPage, perPage ], function (error, results) {
if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
results.forEach(function (result) { postProcess(result); });
callback(null, results);
});
}
function getByAppIdPaged(page, perPage, appId, callback) {
assert(typeof page === 'number' && page > 0);
assert(typeof perPage === 'number' && perPage > 0);
assert.strictEqual(typeof appId, 'string');
assert.strictEqual(typeof callback, 'function');
database.query('SELECT ' + BACKUPS_FIELDS + ' FROM backups WHERE type = ? AND state = ? AND id LIKE ? ORDER BY creationTime DESC LIMIT ?,?',
[ exports.BACKUP_TYPE_APP, exports.BACKUP_STATE_NORMAL, 'appbackup\\_' + appId + '\\_%', (page-1)*perPage, perPage ], function (error, results) {
if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
results.forEach(function (result) { postProcess(result); });
callback(null, results);
});
}
function get(id, callback) {
assert.strictEqual(typeof id, 'string');
assert.strictEqual(typeof callback, 'function');
database.query('SELECT ' + BACKUPS_FIELDS + ' FROM backups WHERE id = ? ORDER BY creationTime DESC',
[ id ], function (error, result) {
if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
if (result.length === 0) return callback(new DatabaseError(DatabaseError.NOT_FOUND));
postProcess(result[0]);
callback(null, result[0]);
});
}
function add(backup, callback) {
assert(backup && typeof backup === 'object');
assert.strictEqual(typeof backup.id, 'string');
assert.strictEqual(typeof backup.version, 'string');
assert(backup.type === exports.BACKUP_TYPE_APP || backup.type === exports.BACKUP_TYPE_BOX);
assert(util.isArray(backup.dependsOn));
assert.strictEqual(typeof callback, 'function');
var creationTime = backup.creationTime || new Date(); // allow tests to set the time
database.query('INSERT INTO backups (id, version, type, creationTime, state, dependsOn) VALUES (?, ?, ?, ?, ?, ?)',
[ backup.id, backup.version, backup.type, creationTime, exports.BACKUP_STATE_NORMAL, backup.dependsOn.join(',') ],
function (error) {
if (error && error.code === 'ER_DUP_ENTRY') return callback(new DatabaseError(DatabaseError.ALREADY_EXISTS));
if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
callback(null);
});
}
function clear(callback) {
assert.strictEqual(typeof callback, 'function');
database.query('TRUNCATE TABLE backups', [], function (error) {
if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
callback(null);
});
}
function del(id, callback) {
assert.strictEqual(typeof id, 'string');
assert.strictEqual(typeof callback, 'function');
database.query('DELETE FROM backups WHERE id=?', [ id ], function (error) {
if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
callback(null);
});
}