Localize default account name created during user registration

apps/api/src/app/user/user.controller.ts

@@ -15,6 +15,7 @@ import {
   THROTTLE_SIGNUP_TTL
 } from '@ghostfolio/common/config';
 import {
+  CreateUserDto,
   DeleteOwnUserDto,
   UpdateOwnAccessTokenDto,
   UpdateUserSettingDto
@@ -147,7 +148,7 @@ export class UserController {
     }
   })
   @UseGuards(CustomThrottlerGuard)
-  public async signupUser(): Promise<UserItem> {
+  public async signupUser(@Body() data: CreateUserDto): Promise<UserItem> {
     const isUserSignupEnabled =
       await this.propertyService.isUserSignupEnabled();
 
@@ -158,7 +159,10 @@ export class UserController {
       );
     }
 
-    const { accessToken, id, role } = await this.userService.createUser();
+    const { accessToken, id, role } = await this.userService.createUser({
+      data: {},
+      languageCode: data?.languageCode
+    });
 
     return {
       accessToken,

apps/api/src/app/user/user.service.ts

@@ -2,6 +2,7 @@ import { ActivitiesService } from '@ghostfolio/api/app/activities/activities.ser
 import { SubscriptionService } from '@ghostfolio/api/app/subscription/subscription.service';
 import { environment } from '@ghostfolio/api/environments/environment';
 import { PortfolioChangedEvent } from '@ghostfolio/api/events/portfolio-changed.event';
+import { getSupportedLanguageCode } from '@ghostfolio/api/helper/language.helper';
 import { getRandomString } from '@ghostfolio/api/helper/string.helper';
 import { AccountClusterRiskCurrentInvestment } from '@ghostfolio/api/models/rules/account-cluster-risk/current-investment';
 import { AccountClusterRiskSingleAccount } from '@ghostfolio/api/models/rules/account-cluster-risk/single-account';
@@ -28,7 +29,6 @@ import { TagService } from '@ghostfolio/api/services/tag/tag.service';
 import {
   DEFAULT_CURRENCY,
   DEFAULT_DATE_RANGE,
-  DEFAULT_LANGUAGE_CODE,
   DEFAULT_LOCALE,
   PROPERTY_API_KEY_GHOSTFOLIO,
   PROPERTY_IS_READ_ONLY_MODE,
@@ -692,9 +692,11 @@ export class UserService {
 
   public async createUser(
     {
-      data
+      data,
+      languageCode
     }: {
       data: Prisma.UserCreateInput;
+      languageCode?: string;
     } = { data: {} }
   ): Promise<User> {
     if (!data.provider) {
@@ -714,8 +716,8 @@ export class UserService {
           create: {
             currency: DEFAULT_CURRENCY,
             name: this.i18nService.getTranslation({
-              id: 'myAccount',
-              languageCode: DEFAULT_LANGUAGE_CODE // TODO
+              languageCode: getSupportedLanguageCode(languageCode),
+              id: 'myAccount'
             })
           }
         },

apps/api/src/helper/language.helper.spec.ts

@@ -0,0 +1,31 @@
+import { DEFAULT_LANGUAGE_CODE } from '@ghostfolio/common/config';
+
+import {
+  getLanguageCodeFromHeader,
+  getSupportedLanguageCode
+} from './language.helper';
+
+describe('getLanguageCodeFromHeader', () => {
+  it('should get the primary language code', () => {
+    expect(getLanguageCodeFromHeader('de-CH,de;q=0.9,en;q=0.8')).toEqual('de');
+  });
+
+  it('should use the default language code if the header is missing', () => {
+    expect(getLanguageCodeFromHeader()).toEqual(DEFAULT_LANGUAGE_CODE);
+  });
+
+  it('should use the default language code if the language is not supported', () => {
+    expect(getLanguageCodeFromHeader('xx')).toEqual(DEFAULT_LANGUAGE_CODE);
+  });
+});
+
+describe('getSupportedLanguageCode', () => {
+  it('should return a supported language code', () => {
+    expect(getSupportedLanguageCode('de')).toEqual('de');
+  });
+
+  it('should use the default language code if the language is not supported', () => {
+    expect(getSupportedLanguageCode()).toEqual(DEFAULT_LANGUAGE_CODE);
+    expect(getSupportedLanguageCode('xx')).toEqual(DEFAULT_LANGUAGE_CODE);
+  });
+});

apps/api/src/helper/language.helper.ts

@@ -0,0 +1,16 @@
+import {
+  DEFAULT_LANGUAGE_CODE,
+  SUPPORTED_LANGUAGE_CODES
+} from '@ghostfolio/common/config';
+
+export function getLanguageCodeFromHeader(acceptLanguage?: string): string {
+  const languageCode = acceptLanguage?.split(',')[0].split('-')[0];
+
+  return getSupportedLanguageCode(languageCode);
+}
+
+export function getSupportedLanguageCode(languageCode?: string): string {
+  return (SUPPORTED_LANGUAGE_CODES as readonly string[]).includes(languageCode)
+    ? languageCode
+    : DEFAULT_LANGUAGE_CODE;
+}

apps/api/src/middlewares/language-redirect.middleware.ts

@@ -1,8 +1,5 @@
 import { environment } from '@ghostfolio/api/environments/environment';
-import {
-  DEFAULT_LANGUAGE_CODE,
-  SUPPORTED_LANGUAGE_CODES
-} from '@ghostfolio/common/config';
+import { getLanguageCodeFromHeader } from '@ghostfolio/api/helper/language.helper';
 
 import { NextFunction, Request, Response } from 'express';
 import { StatusCodes } from 'http-status-codes';
@@ -20,15 +17,9 @@ export function languageRedirectMiddleware(
     return next();
   }
 
-  let languageCode = DEFAULT_LANGUAGE_CODE;
-
-  try {
-    const code = request.headers['accept-language'].split(',')[0].split('-')[0];
-
-    if ((SUPPORTED_LANGUAGE_CODES as readonly string[]).includes(code)) {
-      languageCode = code;
-    }
-  } catch {}
+  const languageCode = getLanguageCodeFromHeader(
+    request.headers['accept-language']
+  );
 
   return response.redirect(
     StatusCodes.MOVED_PERMANENTLY,

apps/client/src/app/pages/register/user-account-registration-dialog/user-account-registration-dialog.component.ts

@@ -76,7 +76,7 @@ export class GfUserAccountRegistrationDialogComponent {
 
   protected createAccount() {
     this.dataService
-      .postUser()
+      .postUser({ languageCode: document.documentElement.lang })
       .pipe(takeUntilDestroyed(this.destroyRef))
       .subscribe(({ accessToken, authToken, role }) => {
         this.accessToken = accessToken;

libs/common/src/lib/dtos/create-user.dto.ts

@@ -0,0 +1,7 @@
+import { IsOptional, IsString } from 'class-validator';
+
+export class CreateUserDto {
+  @IsOptional()
+  @IsString()
+  languageCode?: string;
+}

libs/common/src/lib/dtos/index.ts

@@ -10,6 +10,7 @@ import { CreateAssetProfileDto } from './create-asset-profile.dto';
 import { CreateOrderDto } from './create-order.dto';
 import { CreatePlatformDto } from './create-platform.dto';
 import { CreateTagDto } from './create-tag.dto';
+import { CreateUserDto } from './create-user.dto';
 import { CreateWatchlistItemDto } from './create-watchlist-item.dto';
 import { DeleteOwnUserDto } from './delete-own-user.dto';
 import { HoldingDto } from './holding.dto';
@@ -43,6 +44,7 @@ export {
   CreateOrderDto,
   CreatePlatformDto,
   CreateTagDto,
+  CreateUserDto,
   CreateWatchlistItemDto,
   DeleteOwnUserDto,
   HoldingDto,

libs/ui/src/lib/services/data.service.ts

@@ -4,6 +4,7 @@ import {
   CreateAccountDto,
   CreateOrderDto,
   CreateTagDto,
+  CreateUserDto,
   CreateWatchlistItemDto,
   DeleteOwnUserDto,
   TransferBalanceDto,
@@ -896,8 +897,8 @@ export class DataService {
     return this.http.post<Tag>(`/api/v1/tags`, aTag);
   }
 
-  public postUser() {
-    return this.http.post<UserItem>('/api/v1/user', {});
+  public postUser(aData: CreateUserDto) {
+    return this.http.post<UserItem>('/api/v1/user', aData);
   }
 
   public postWatchlistItem(watchlistItem: CreateWatchlistItemDto) {