Добавлен конвертер SQLITE -> JambaDb

server/db/Converter.js

@@ -0,0 +1,42 @@
+//TODO: удалить модуль в 2023г
+const fs = require('fs-extra');
+const log = new (require('../core/AppLogger'))().log;//singleton
+
+class Converter {    
+    async run(config) {        
+        log('Converter start');
+
+        try {
+            const connManager = new (require('./ConnManager'))();//singleton
+            const storagePool = connManager.pool.readerStorage;
+
+            const jembaConnManager = new (require('./JembaConnManager'))();//singleton
+            const db = jembaConnManager.db['reader-storage'];
+
+            const srcDbPath = `${config.dataDir}/reader-storage.sqlite`;
+            if (!await fs.pathExists(srcDbPath)) {
+                log(LM_WARN, '  Source DB does not exist, nothing to do');
+                return;
+            }
+
+            const rows = await db.select({table: 'storage', count: true});
+            if (rows.length && rows[0].count != 0) {
+                log(LM_WARN, '  Destination table already exists, nothing to do');
+                return;
+            }
+
+            const dbSrc = await storagePool.get();
+            try {
+                const rows = await dbSrc.all(`SELECT * FROM storage`);
+                await db.insert({table: 'storage', rows});
+                log(`  Inserted ${rows.length} items`);
+            } finally {
+                dbSrc.ret();
+            }
+        } finally {
+            log('Converter finish');
+        }
+    }
+}
+
+module.exports = Converter;