first commit

packages/nodes-base/nodes/Postgres/v2/actions/router.ts

@@ -0,0 +1,60 @@
+import type { IExecuteFunctions, INodeExecutionData } from 'n8n-workflow';
+import { NodeOperationError } from 'n8n-workflow';
+
+import * as database from './database/Database.resource';
+import type { PostgresType } from './node.type';
+import { addExecutionHints } from '../../../../utils/utilities';
+import { configurePostgres } from '../../transport';
+import type { PostgresNodeCredentials, PostgresNodeOptions } from '../helpers/interfaces';
+import { configureQueryRunner } from '../helpers/utils';
+
+export async function router(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
+	let returnData: INodeExecutionData[] = [];
+
+	const items = this.getInputData();
+	const resource = this.getNodeParameter<PostgresType>('resource', 0);
+	const operation = this.getNodeParameter('operation', 0);
+
+	const credentials = await this.getCredentials<PostgresNodeCredentials>('postgres');
+	const options = this.getNodeParameter('options', 0, {}) as PostgresNodeOptions;
+	const node = this.getNode();
+	options.nodeVersion = node.typeVersion;
+	options.operation = operation;
+
+	const { db, pgp } = await configurePostgres.call(this, credentials, options);
+
+	const runQueries = configureQueryRunner.call(
+		this,
+		this.getNode(),
+		this.continueOnFail(),
+		pgp,
+		db,
+	);
+
+	const postgresNodeData = {
+		resource,
+		operation,
+	} as PostgresType;
+
+	switch (postgresNodeData.resource) {
+		case 'database':
+			returnData = await database[postgresNodeData.operation].execute.call(
+				this,
+				runQueries,
+				items,
+				options,
+				db,
+				pgp,
+			);
+			break;
+		default:
+			throw new NodeOperationError(
+				this.getNode(),
+				`The operation "${operation}" is not supported!`,
+			);
+	}
+
+	addExecutionHints(this, node, items, operation, node.executeOnce);
+
+	return [returnData];
+}