refactor: Remove translation service (#36056)

apps/meteor/server/services/startup.ts

@@ -25,7 +25,6 @@ import { RoomService } from './room/service';
 import { SAUMonitorService } from './sauMonitor/service';
 import { SettingsService } from './settings/service';
 import { TeamService } from './team/service';
-import { TranslationService } from './translation/service';
 import { UiKitCoreAppService } from './uikit-core-app/service';
 import { UploadService } from './upload/service';
 import { UserService } from './user/service';
@@ -57,7 +56,6 @@ export const registerServices = async (): Promise<void> => {
 	api.registerService(new VideoConfService());
 	api.registerService(new UploadService());
 	api.registerService(new MessageService());
-	api.registerService(new TranslationService());
 	api.registerService(new SettingsService());
 	api.registerService(new OmnichannelIntegrationService());
 	api.registerService(new ImportService());

apps/meteor/server/services/translation/service.ts

@@ -1,45 +0,0 @@
-import { ServiceClassInternal } from '@rocket.chat/core-services';
-import type { ITranslationService } from '@rocket.chat/core-services';
-import type { IUser } from '@rocket.chat/core-typings';
-import { Settings } from '@rocket.chat/models';
-import mem from 'mem';
-
-import { i18n } from '../../lib/i18n';
-
-export class TranslationService extends ServiceClassInternal implements ITranslationService {
-	protected name = 'translation';
-
-	// Cache the server language for 1 hour
-	private getServerLanguageCached = mem(this.getServerLanguage.bind(this), { maxAge: 1000 * 60 * 60 });
-
-	private async getServerLanguage(): Promise<string> {
-		return ((await Settings.findOneById('Language'))?.value as string) || 'en';
-	}
-
-	// Use translateText when you already know the language, or want to translate to a predefined language
-	translateText(text: string, targetLanguage: string, args?: Record<string, string>): Promise<string> {
-		return Promise.resolve(i18n.t(text, { lng: targetLanguage, ...args }));
-	}
-
-	// Use translate when you want to translate to the user's language, or server's as a fallback
-	async translate(text: string, user: IUser): Promise<string> {
-		const language = user.language || (await this.getServerLanguageCached());
-
-		return this.translateText(text, language);
-	}
-
-	async translateToServerLanguage(text: string, args?: Record<string, string>): Promise<string> {
-		const language = await this.getServerLanguageCached();
-
-		return this.translateText(text, language, args);
-	}
-
-	async translateMultipleToServerLanguage(keys: string[]): Promise<Array<{ key: string; value: string }>> {
-		const language = await this.getServerLanguageCached();
-
-		return keys.map((key) => ({
-			key,
-			value: i18n.t(key, { lng: language, fallbackLng: 'en' }),
-		}));
-	}
-}

packages/core-services/src/index.ts

@@ -42,7 +42,6 @@ import type {
 	IListRoomsFilter,
 } from './types/ITeamService';
 import type { ITelemetryEvent, TelemetryMap, TelemetryEvents } from './types/ITelemetryEvent';
-import type { ITranslationService } from './types/ITranslationService';
 import type { UiKitCoreAppPayload, IUiKitCoreApp, IUiKitCoreAppService } from './types/IUiKitCoreApp';
 import type { ISendFileLivechatMessageParams, ISendFileMessageParams, IUploadFileParams, IUploadService } from './types/IUploadService';
 import type { IUserService } from './types/IUserService';
@@ -139,7 +138,6 @@ export {
 	IOmnichannelTranscriptService,
 	IQueueWorkerService,
 	HealthAggResult,
-	ITranslationService,
 	IMessageService,
 	ISettingsService,
 	IOmnichannelEEService,
@@ -176,7 +174,6 @@ export const Calendar = proxify<ICalendarService>('calendar');
 export const QueueWorker = proxify<IQueueWorkerService>('queue-worker');
 export const OmnichannelTranscript = proxify<IOmnichannelTranscriptService>('omnichannel-transcript');
 export const Message = proxify<IMessageService>('message');
-export const Translation = proxify<ITranslationService>('translation');
 export const Settings = proxify<ISettingsService>('settings');
 export const OmnichannelIntegration = proxify<IOmnichannelIntegrationService>('omnichannel-integration');
 export const Federation = proxify<IFederationService>('federation');

packages/core-services/src/types/ITranslationService.ts

@@ -1,8 +0,0 @@
-import type { IUser } from '@rocket.chat/core-typings';
-
-export interface ITranslationService {
-	translateText(text: string, targetLanguage: string, args?: Record<string, string>): Promise<string>;
-	translate(text: string, user: IUser): Promise<string>;
-	translateToServerLanguage(text: string, args?: Record<string, string>): Promise<string>;
-	translateMultipleToServerLanguage(keys: string[]): Promise<Array<{ key: string; value: string }>>;
-}