data duplicator works in simple case

packages/api/src/shell/dataDuplicator.js

@@ -0,0 +1,38 @@
+const stream = require('stream');
+const path = require('path');
+const { quoteFullName, fullNameToString, getLogger } = require('dbgate-tools');
+const requireEngineDriver = require('../utility/requireEngineDriver');
+const connectUtility = require('../utility/connectUtility');
+const logger = getLogger('dataDuplicator');
+const { DataDuplicator } = require('dbgate-datalib');
+const copyStream = require('./copyStream');
+const jsonLinesReader = require('./jsonLinesReader');
+const { resolveArchiveFolder } = require('../utility/directories');
+
+async function dataDuplicator({ connection, archive, items, analysedStructure = null }) {
+  const driver = requireEngineDriver(connection);
+  const pool = await connectUtility(driver, connection, 'write');
+  logger.info(`Connected.`);
+
+  if (!analysedStructure) {
+    analysedStructure = await driver.analyseFull(pool);
+  }
+
+  const dupl = new DataDuplicator(
+    pool,
+    driver,
+    analysedStructure,
+    items.map(item => ({
+      name: item.name,
+      operation: item.operation,
+      matchColumns: item.matchColumns,
+      openStream: () => jsonLinesReader({ fileName: path.join(resolveArchiveFolder(archive), `${item.name}.jsonl`) }),
+    })),
+    stream,
+    copyStream
+  );
+
+  await dupl.run();
+}
+
+module.exports = dataDuplicator;