fix: unable to import after a failed import, fixes #515

src/main/workers/importer.ts

@@ -6,72 +6,106 @@ import { PostgreSQLClient } from '../libs/clients/PostgreSQLClient';
 import { ClientsFactory } from '../libs/ClientsFactory';
 import MySQLImporter from '../libs/importers/sql/MySQLlImporter';
 import PostgreSQLImporter from '../libs/importers/sql/PostgreSQLImporter';
+import SSHConfig from 'ssh2-promise/lib/sshConfig';
+import { ImportOptions } from 'common/interfaces/importer';
 let importer: antares.Importer;
 
-process.on('message', async ({ type, dbConfig, options }) => {
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+process.on('message', async ({ type, dbConfig, options }: {
+   type: string;
+   dbConfig: mysql.ConnectionOptions & { schema: string; ssl?: mysql.SslOptions; ssh?: SSHConfig; readonly: boolean }
+      | pg.ClientConfig & { schema: string; ssl?: mysql.SslOptions; ssh?: SSHConfig; readonly: boolean }
+      | { databasePath: string; readonly: boolean };
+   options: ImportOptions;
+}) => {
    if (type === 'init') {
-      const connection = await ClientsFactory.getClient({
-         client: options.type,
-         params: {
-            ...dbConfig,
-            schema: options.schema
-         },
-         poolSize: 1
-      }) as MySQLClient | PostgreSQLClient;
+      try {
+         const connection = await ClientsFactory.getClient({
+            client: options.type,
+            params: {
+               ...dbConfig,
+               schema: options.schema
+            },
+            poolSize: 1
+         }) as MySQLClient | PostgreSQLClient;
 
-      const pool = await connection.getConnectionPool();
+         const pool = await connection.getConnectionPool();
 
-      switch (options.type) {
-         case 'mysql':
-         case 'maria':
-            importer = new MySQLImporter(pool as unknown as mysql.Pool, options);
-            break;
-         case 'pg':
-            importer = new PostgreSQLImporter(pool as unknown as pg.PoolClient, options);
-            break;
-         default:
+         switch (options.type) {
+            case 'mysql':
+            case 'maria':
+               importer = new MySQLImporter(pool as unknown as mysql.Pool, options);
+               break;
+            case 'pg':
+               importer = new PostgreSQLImporter(pool as unknown as pg.PoolClient, options);
+               break;
+            default:
+               process.send({
+                  type: 'error',
+                  payload: `"${options.type}" importer not aviable`
+               });
+               return;
+         }
+
+         importer.once('error', err => {
+            console.error(err);
             process.send({
                type: 'error',
-               payload: `"${options.type}" importer not aviable`
+               payload: err.toString()
             });
-            return;
-      }
+         });
 
-      importer.once('error', err => {
+         importer.once('end', () => {
+            process.send({
+               type: 'end',
+               payload: { cancelled: importer.isCancelled }
+            });
+         });
+
+         importer.once('cancel', () => {
+            process.send({ type: 'cancel' });
+         });
+
+         importer.on('progress', state => {
+            process.send({
+               type: 'import-progress',
+               payload: state
+            });
+         });
+
+         importer.on('query-error', state => {
+            process.send({
+               type: 'query-error',
+               payload: state
+            });
+         });
+
+         importer.run();
+      }
+      catch (err) {
          console.error(err);
          process.send({
             type: 'error',
             payload: err.toString()
          });
-      });
-
-      importer.once('end', () => {
-         process.send({
-            type: 'end',
-            payload: { cancelled: importer.isCancelled }
-         });
-      });
-
-      importer.once('cancel', () => {
-         process.send({ type: 'cancel' });
-      });
-
-      importer.on('progress', state => {
-         process.send({
-            type: 'import-progress',
-            payload: state
-         });
-      });
-
-      importer.on('query-error', state => {
-         process.send({
-            type: 'query-error',
-            payload: state
-         });
-      });
-
-      importer.run();
+      }
    }
    else if (type === 'cancel')
       importer.cancel();
 });
+
+process.on('uncaughtException', (err) => {
+   console.error(err);
+   process.send({
+      type: 'error',
+      payload: err.toString()
+   });
+});
+
+process.on('unhandledRejection', (err) => {
+   console.error(err);
+   process.send({
+      type: 'error',
+      payload: err.toString()
+   });
+});