Refactoring

apps/api/src/app/account/account.module.ts

@@ -11,7 +11,6 @@ import { Module } from '@nestjs/common';
 
 import { AccountController } from './account.controller';
 import { AccountService } from './account.service';
-import { I18nModule } from '@ghostfolio/api/services/i18n/i18n.module';
 
 @Module({
   controllers: [AccountController],
@@ -22,7 +21,6 @@ import { I18nModule } from '@ghostfolio/api/services/i18n/i18n.module';
     DataProviderModule,
     ExchangeRateDataModule,
     ImpersonationModule,
-    I18nModule,
     PortfolioModule,
     PrismaModule,
     RedisCacheModule,

apps/api/src/middlewares/html-template.middleware.ts

@@ -2,6 +2,7 @@ import * as fs from 'fs';
 import { join } from 'path';
 
 import { environment } from '@ghostfolio/api/environments/environment';
+import { I18nService } from '@ghostfolio/api/services/i18n/i18n.service';
 import {
   DEFAULT_LANGUAGE_CODE,
   DEFAULT_ROOT_URL,
@@ -11,20 +12,11 @@ import { DATE_FORMAT, interpolate } from '@ghostfolio/common/helper';
 import { format } from 'date-fns';
 import { NextFunction, Request, Response } from 'express';
 
-const descriptions = {
-  de: 'Mit dem Finanz-Dashboard Ghostfolio können Sie Ihr Vermögen in Form von Aktien, ETFs oder Kryptowährungen verteilt über mehrere Finanzinstitute überwachen.',
-  en: 'Ghostfolio is a personal finance dashboard to keep track of your assets like stocks, ETFs or cryptocurrencies across multiple platforms.',
-  es: 'Ghostfolio es un dashboard de finanzas personales para hacer un seguimiento de tus activos como acciones, ETFs o criptodivisas a través de múltiples plataformas.',
-  fr: 'Ghostfolio est un dashboard de finances personnelles qui permet de suivre vos actifs comme les actions, les ETF ou les crypto-monnaies sur plusieurs plateformes.',
-  it: 'Ghostfolio è un dashboard di finanza personale per tenere traccia delle vostre attività come azioni, ETF o criptovalute su più piattaforme.',
-  nl: 'Ghostfolio is een persoonlijk financieel dashboard om uw activa zoals aandelen, ETF’s of cryptocurrencies over meerdere platforms bij te houden.',
-  pt: 'Ghostfolio é um dashboard de finanças pessoais para acompanhar os seus activos como acções, ETFs ou criptomoedas em múltiplas plataformas.',
-  tr: 'Ghostfolio, hisse senetleri, ETF’ler veya kripto para birimleri gibi varlıklarınızı birden fazla platformda takip etmenizi sağlayan bir kişisel finans panosudur.'
-};
-
 const title = 'Ghostfolio – Open Source Wealth Management Software';
 const titleShort = 'Ghostfolio';
 
+const i18nService = new I18nService();
+
 let indexHtmlMap: { [languageCode: string]: string } = {};
 
 try {
@@ -130,7 +122,10 @@ export const HtmlTemplateMiddleware = async (
       languageCode,
       path,
       rootUrl,
-      description: descriptions[languageCode],
+      description: i18nService.getTranslation({
+        id: 'metaDescription',
+        locale: languageCode
+      }),
       featureGraphicPath:
         locales[path]?.featureGraphicPath ?? 'assets/cover.png',
       title: locales[path]?.title ?? title

apps/api/src/services/i18n/i18n.module.ts

@@ -1,9 +0,0 @@
-import { Module } from '@nestjs/common';
-
-import { I18nService } from './i18n.service';
-
-@Module({
-  providers: [I18nService],
-  exports: [I18nService]
-})
-export class I18nModule {}

apps/api/src/services/i18n/i18n.service.ts

@@ -1,12 +1,12 @@
-import { readdirSync, readFileSync, existsSync } from 'fs';
+import { readFileSync, readdirSync } from 'fs';
 import { join } from 'path';
-import { Injectable, Logger } from '@nestjs/common';
+
+import { DEFAULT_LANGUAGE_CODE } from '@ghostfolio/common/config';
+import { Logger } from '@nestjs/common';
 import * as cheerio from 'cheerio';
 
-@Injectable()
 export class I18nService {
   private localesPath = join(__dirname, 'assets', 'locales');
-  private localeRegex = /^messages\.[a-z]{2}\.xlf$/;
   private translations: { [locale: string]: cheerio.CheerioAPI } = {};
 
   public constructor() {
@@ -21,15 +21,15 @@ export class I18nService {
     locale: string;
   }): string {
     const $ = this.translations[locale];
+
     if (!$) {
-      throw new Error(`Translation not found for locale '${locale}'`);
+      Logger.warn(`Translation not found for locale '${locale}'`);
     }
 
     const translatedText = $(`trans-unit[id="${id}"] > target`).text();
+
     if (!translatedText) {
-      throw new Error(
+      Logger.warn(`Translation not found for id '${id}' in locale '${locale}'`);
-        `Translation not found for id '${id}' in locale '${locale}'`
-      );
     }
 
     return translatedText;
@@ -38,22 +38,23 @@ export class I18nService {
   private loadFiles() {
     try {
       const files = readdirSync(this.localesPath, 'utf-8');
+
       for (const file of files) {
-        if (!this.localeRegex.test(file)) {
+        const xmlData = readFileSync(join(this.localesPath, file), 'utf8');
-          continue;
+        this.translations[this.parseLanguageCode(file)] =
-        }
+          this.parseXml(xmlData);
-        if (!existsSync(join(this.localesPath, file))) {
-          throw new Error(`File: ${file} not found`);
-        } else {
-          const xmlData = readFileSync(join(this.localesPath, file), 'utf8');
-          this.translations[file.split('.')[1]] = this.parseXml(xmlData);
-        }
       }
     } catch (error) {
       Logger.error(error, 'I18nService');
     }
   }
 
+  private parseLanguageCode(aFileName: string) {
+    const match = aFileName.match(/\.([a-zA-Z]+)\.xlf$/);
+
+    return match ? match[1] : DEFAULT_LANGUAGE_CODE;
+  }
+
   private parseXml(xmlData: string): cheerio.CheerioAPI {
     return cheerio.load(xmlData, { xmlMode: true });
   }