connections pinger

packages/web/src/utility/connectionsPinger.js

@@ -0,0 +1,29 @@
+import _ from 'lodash';
+import { openedConnections, currentDatabase } from '../stores';
+import axios from './axios';
+
+const doServerPing = value => {
+  axios.post('server-connections/ping', { connections: value });
+};
+
+const doDatabasePing = value => {
+  const database = _.get(value, 'name');
+  const conid = _.get(value, 'connection._id');
+  if (conid && database) {
+    axios.post('database-connections/ping', { conid, database });
+  }
+};
+
+let openedConnectionsHandle = null;
+openedConnections.subscribe(value => {
+  doServerPing(value);
+  if (openedConnectionsHandle) window.clearInterval(openedConnectionsHandle);
+  openedConnectionsHandle = window.setInterval(() => doServerPing(value), 30 * 1000);
+});
+
+let currentDatabaseHandle = null;
+currentDatabase.subscribe(value => {
+  doDatabasePing(value);
+  if (currentDatabaseHandle) window.clearInterval(currentDatabaseHandle);
+  currentDatabaseHandle = window.setInterval(() => doDatabasePing(value), 30 * 1000);
+});

packages/web/src/utility/metadataLoaders.ts

@@ -5,19 +5,20 @@ import stableStringify from 'json-stable-stringify';
 import { cacheClean } from './cache';
 import socket from './socket';
 import getAsArray from './getAsArray';
+import { DatabaseInfo } from 'dbgate-types';
 
 const databaseInfoLoader = ({ conid, database }) => ({
   url: 'database-connections/structure',
   params: { conid, database },
   reloadTrigger: `database-structure-changed-${conid}-${database}`,
-  transform: db => {
+  transform: (db: DatabaseInfo) => {
     const allForeignKeys = _.flatten(db.tables.map(x => x.foreignKeys));
     return {
       ...db,
       tables: db.tables.map(table => ({
         ...table,
         dependencies: allForeignKeys.filter(
-          (x: any) => x.refSchemaName == table.schemaName && x.refTableName == table.pureName
+          x => x.refSchemaName == table.schemaName && x.refTableName == table.pureName
         ),
       })),
     };