Files
liberama/server/db/connManager.js
2019-03-11 16:02:05 +07:00

44 lines
1.3 KiB
JavaScript

const SqliteConnectionPool = require('./SqliteConnectionPool');
const log = require('../core/getLogger').getLog();
const migrations = {
'app': require('./migrations/app'),
'readerStorage': require('./migrations/readerStorage'),
};
class ConnManager {
constructor() {
this._pool = {};
}
async init(config) {
this.config = config;
const force = null;//(config.branch == 'development' ? 'last' : null);
for (const poolConfig of this.config.db) {
const dbFileName = this.config.dataDir + '/' + poolConfig.fileName;
const connPool = new SqliteConnectionPool();
await connPool.open(poolConfig.connCount, dbFileName);
log(`Opened database "${poolConfig.poolName}"`);
//миграции
const migs = migrations[poolConfig.poolName];
if (migs && migs.data.length) {
const applied = await connPool.migrate(migs.data, migs.table, force);
if (applied.length)
log(`Applied ${applied.length} migrations to "${poolConfig.poolName}"`);
}
this._pool[poolConfig.poolName] = connPool;
}
}
get pool() {
return this._pool;
}
}
const connManager = new ConnManager();
module.exports = connManager;