leveldb: IPC in settings from main to renderer.

Author: kanishk98

app/main/datastore.ts

@@ -14,6 +14,7 @@ class DataStore {
 	constructor() {
 		this.settings = {};
 		this.settingsDB = LevelDB.settings.db;
+		this.loadSettings();
 	}
 
 	loadSettings(): void {

app/main/index.ts

@@ -15,6 +15,7 @@ import BadgeSettings = require('../renderer/js/pages/preference/badge-settings')
 import ConfigUtil = require('../renderer/js/utils/config-util');
 import ProxyUtil = require('../renderer/js/utils/proxy-util');
 import leveldb = require('./leveldb');
+import DataStore = require('./datastore');
 
 interface PatchedGlobal extends NodeJS.Global {
 	mainWindowState: windowStateKeeper.State;
@@ -365,12 +366,18 @@ app.on('ready', () => {
 	});
 
 	ipcMain.on('leveldb-set-item', (_event: Electron.IpcMessageEvent, key: string, value: any) => {
+		DataStore.settings[key] = value;
 		leveldb.settings.setItem(key, value);
 	});
 
 	ipcMain.on('leveldb-delete-item', (_event: Electron.IpcMessageEvent, key: string) => {
+		delete DataStore.settings.key;
 		leveldb.settings.deleteItem(key);
 	});
+
+	ipcMain.on('get-settings', (_event: Electron.IpcMessageEvent) => {
+		_event.returnValue = DataStore.settings;
+	});
 });
 
 app.on('before-quit', () => {

app/renderer/js/utils/config-util.ts

@@ -7,6 +7,15 @@ class ConfigUtil {
 
 	constructor() {
 		this.settings = {};
+		this.reloadDB();
+	}
+
+	reloadDB(): void {
+		if (process.type === 'renderer') {
+			LevelDBUtil.initConfigUtil().then(settings => {
+				this.settings = settings;
+			});
+		}
 	}
 
 	getConfigItem(key: string, defaultValue: any = null): any {

app/renderer/js/utils/leveldb-util.ts

@@ -1,10 +1,20 @@
 import electron = require('electron');
 let LevelDB: any = null;
+let ipcRenderer: Electron.IpcRenderer = null;
 if (process.type === 'browser') {
 	LevelDB = require('../../../main/leveldb');
+} else {
+	ipcRenderer = electron.ipcRenderer;
 }
 
 class LevelDBUtil {
+	initConfigUtil(): Promise<any> {
+		return new Promise(resolve => {
+			const settings = ipcRenderer.sendSync('get-settings');
+			resolve(settings);
+		});
+	}
+
 	setConfigItem(key: string, value: any): void {
 		if (process.type === 'renderer') {
 			const { ipcRenderer } = electron;