i18n service and helpers

src/_locales/en/messages.json

@@ -0,0 +1,5 @@
+{
+  "hello": {
+    "message": "hello"
+  }
+}

src/_locales/es/messages.json

@@ -0,0 +1,5 @@
+{
+  "hello": {
+    "message": "hola"
+  }
+}

src/app/accounts/login.component.ts

@@ -18,7 +18,6 @@ export class LoginComponent implements OnInit {
     masterPassword: string = '';
 
     constructor(private authService: AuthService, private router: Router) {
-
     }
 
     ngOnInit() {

src/app/app.module.ts

@@ -11,6 +11,7 @@ import { AppComponent } from './app.component';
 import { CiphersComponent } from './vault/ciphers.component';
 import { FallbackSrcDirective } from './directives/fallback-src.directive';
 import { GroupingsComponent } from './vault/groupings.component';
+import { I18nPipe } from './pipes/i18n.pipe';
 import { IconComponent } from './vault/icon.component';
 import { LoginComponent } from './accounts/login.component';
 import { StopClickDirective } from './directives/stop-click.directive';
@@ -30,6 +31,7 @@ import { ViewComponent } from './vault/view.component';
         CiphersComponent,
         FallbackSrcDirective,
         GroupingsComponent,
+        I18nPipe,
         IconComponent,
         LoginComponent,
         StopClickDirective,

src/app/pipes/i18n.pipe.ts

@@ -0,0 +1,18 @@
+import {
+    Pipe,
+    PipeTransform,
+} from '@angular/core';
+
+import { I18nService } from '../../services/i18n.service';
+
+@Pipe({
+    name: 'i18n',
+})
+export class I18nPipe implements PipeTransform {
+    constructor(private i18nService: I18nService) {
+    }
+
+    transform(id: string): string {
+        return this.i18nService.t(id);
+    }
+}

src/app/services/services.module.ts

@@ -1,11 +1,15 @@
 import { webFrame } from 'electron';
 
-import { NgModule } from '@angular/core';
+import {
+    APP_INITIALIZER,
+    NgModule
+} from '@angular/core';
 
 import { DesktopMessagingService } from '../../services/desktopMessaging.service';
 import { DesktopPlatformUtilsService } from '../../services/desktopPlatformUtils.service';
 import { DesktopStorageService } from '../../services/desktopStorage.service';
 import { DesktopSecureStorageService } from '../../services/desktopSecureStorage.service';
+import { I18nService } from '../../services/i18n.service';
 
 import {
     ApiService,
@@ -52,6 +56,7 @@ import {
 
 webFrame.registerURLSchemeAsPrivileged('file');
 
+const i18nService = new I18nService(window, './_locales');
 const utilsService = new UtilsService();
 const platformUtilsService = new DesktopPlatformUtilsService();
 const messagingService = new DesktopMessagingService();
@@ -69,7 +74,7 @@ const settingsService = new SettingsService(userService, storageService);
 const cipherService = new CipherService(cryptoService, userService, settingsService,
     apiService, storageService);
 const folderService = new FolderService(cryptoService, userService,
-    () => 'No Folder', apiService, storageService);
+    () => i18nService.t('noneFolder'), apiService, storageService);
 const collectionService = new CollectionService(cryptoService, userService, storageService);
 const lockService = new LockService(cipherService, folderService, collectionService,
     cryptoService, platformUtilsService, storageService,
@@ -89,6 +94,10 @@ environmentService.setUrlsFromStorage().then(() => {
     return syncService.fullSync(true);
 });
 
+function initFactory(i18n: I18nService): Function {
+    return () => i18n.init();
+}
+
 @NgModule({
     imports: [],
     declarations: [],
@@ -98,6 +107,13 @@ environmentService.setUrlsFromStorage().then(() => {
         { provide: FolderServiceAbstraction, useValue: folderService },
         { provide: CollectionServiceAbstraction, useValue: collectionService },
         { provide: EnvironmentServiceAbstraction, useValue: environmentService },
+        { provide: I18nService, useValue: i18nService },
+        {
+            provide: APP_INITIALIZER,
+            useFactory: initFactory,
+            deps: [I18nService],
+            multi: true
+        }
     ],
 })
 export class ServicesModule {

src/app/vault/view.component.html

@@ -9,6 +9,7 @@
                     <span class="row-label">Name</span>
                     {{cipher.name}}
                 </div>
+                <div *ngIf="cipher.login">
                     <div class="box-content-row">
                         <span class="row-label">URI</span>
                         {{cipher.login.uri}}
@@ -22,6 +23,7 @@
                         {{cipher.login.password}}
                     </div>
                 </div>
+            </div>
             <div class="box-footer">
                 Some footer information.
             </div>

src/services/i18n.service.ts

@@ -0,0 +1,62 @@
+// First locale is the default (English)
+const SupportedLocales = [
+    'en', 'es',
+];
+
+export class I18nService {
+    defaultMessages: any = {};
+    localeMessages: any = {};
+    systemLanguage: string;
+    language: string;
+    inited: boolean;
+
+    constructor(win: Window, private localesDirectory: string) {
+        this.systemLanguage = win.navigator.language;
+    }
+
+    async init(language?: string) {
+        if (this.inited) {
+            throw new Error('i18n already initialized.');
+        }
+
+        this.inited = true;
+        this.language = language != null ? language : this.systemLanguage;
+
+        if (SupportedLocales.indexOf(this.language) === -1) {
+            this.language = this.language.slice(0, 2);
+
+            if (SupportedLocales.indexOf(this.language) === -1) {
+                this.language = SupportedLocales[0];
+            }
+        }
+
+        await this.loadMessages(this.language, this.localeMessages);
+        if (this.language !== SupportedLocales[0]) {
+            await this.loadMessages(SupportedLocales[0], this.defaultMessages);
+        }
+    }
+
+    t(id: string): string {
+        return this.translation(id);
+    }
+
+    translation(id: string): string {
+        if (this.localeMessages.hasOwnProperty(id) && this.localeMessages[id]) {
+            return this.localeMessages[id];
+        } else if (this.defaultMessages.hasOwnProperty(id) && this.defaultMessages[id]) {
+            return this.defaultMessages[id];
+        }
+        return '';
+    }
+
+    private async loadMessages(locale: string, messagesObj: any): Promise<any> {
+        const formattedLocale = locale.replace('-', '_');
+        const file = await fetch(this.localesDirectory + '/' + formattedLocale + '/messages.json');
+        const locales = await file.json();
+        for (const prop in locales) {
+            if (locales.hasOwnProperty(prop)) {
+                messagesObj[prop] = locales[prop].message;
+            }
+        }
+    }
+}

webpack.main.js

@@ -57,6 +57,7 @@ const main = {
         new CopyWebpackPlugin([
             './src/package.json',
             { from: './src/images', to: 'images' },
+            { from: './src/_locales', to: '_locales' },
         ]),
     ],
     externals: [nodeExternals()]