Добавляем миграции в БД sqlite

server/db/connManager.js

@@ -0,0 +1,43 @@
+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 = (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);
+                log(`Applied ${applied} migrations to "${poolConfig.poolName}"`);
+            }
+
+            this._pool[poolConfig.poolName] = connPool;
+        }
+    }
+
+    get pool() {
+        return this._pool;
+    }
+}
+
+const connManager = new ConnManager();
+
+module.exports = connManager;