108 lines
3 KiB
JavaScript
108 lines
3 KiB
JavaScript
'use strict';
|
|
|
|
var async = require('async');
|
|
var fs = require('fs');
|
|
var glob = require('glob');
|
|
var path = require('path');
|
|
|
|
var config = require('../config');
|
|
var Logger = require('../logger');
|
|
|
|
function applyPatch(db, file, callback) {
|
|
Logger.tag('database', 'migration').info('Checking if patch need to be applied: %s', file);
|
|
|
|
fs.readFile(file, function (err, contents) {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
|
|
var version = path.basename(file, '.sql');
|
|
|
|
db.get('SELECT * FROM schema_version WHERE version = ?', version, function (err, row) {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
|
|
if (row) {
|
|
// patch is already applied. skip!
|
|
Logger.tag('database', 'migration').info('Patch already applied, skipping: %s', file);
|
|
return callback(null);
|
|
}
|
|
|
|
var sql = 'BEGIN TRANSACTION;\n'
|
|
+ contents.toString() + '\n'
|
|
+ 'INSERT INTO schema_version (version) VALUES (\'' + version + '\');\n'
|
|
+ 'END TRANSACTION;';
|
|
|
|
db.exec(sql, function (err) {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
|
|
Logger.tag('database', 'migration').info('Patch successfully applied: %s', file);
|
|
|
|
callback(null);
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
function applyMigrations(db, callback) {
|
|
Logger.tag('database', 'migration').info('Migrating database...');
|
|
|
|
var sql = 'BEGIN TRANSACTION; CREATE TABLE IF NOT EXISTS schema_version (\n'
|
|
+ ' version VARCHAR(255) PRIMARY KEY ASC,\n'
|
|
+ ' applied_at DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL\n'
|
|
+ '); END TRANSACTION;';
|
|
db.exec(sql, function (err) {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
|
|
glob(__dirname + '/patches/*.sql', function (err, files) {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
|
|
async.eachSeries(
|
|
files,
|
|
function (file, fileCallback) {
|
|
applyPatch(db, file, fileCallback);
|
|
},
|
|
callback
|
|
);
|
|
});
|
|
});
|
|
}
|
|
|
|
module.exports = {
|
|
init: function (callback) {
|
|
var SQLite3 = require('sqlite3');
|
|
|
|
var file = config.server.databaseFile;
|
|
Logger.tag('database').info('Setting up database: %s', file);
|
|
|
|
var db;
|
|
try {
|
|
db = new SQLite3.Database(file);
|
|
}
|
|
catch (error) {
|
|
Logger.tag('database').error('Error initialzing database:', error);
|
|
throw error;
|
|
}
|
|
|
|
applyMigrations(db, function (err) {
|
|
if (err) {
|
|
Logger.tag('database').error('Error migrating database:', err);
|
|
throw err;
|
|
}
|
|
|
|
angular.module('ffffng').factory('Database', function () {
|
|
return db;
|
|
});
|
|
|
|
callback();
|
|
});
|
|
}
|
|
};
|