fix(server): don't publicly reveal user count (#4409)

* fix: don't reveal user count publicly

* fix: mobile and user controller

* fix: update other frontend endpoints

* fix: revert openapi change

* chore: open api

* fix: initialize

* openapi

---------

Co-authored-by: Alex Tran <alex.tran1502@gmail.com>

server/src/domain/repositories/user.repository.ts

@@ -18,6 +18,7 @@ export const IUserRepository = 'IUserRepository';
 export interface IUserRepository {
   get(id: string, withDeleted?: boolean): Promise<UserEntity | null>;
   getAdmin(): Promise<UserEntity | null>;
+  hasAdmin(): Promise<boolean>;
   getByEmail(email: string, withPassword?: boolean): Promise<UserEntity | null>;
   getByStorageLabel(storageLabel: string): Promise<UserEntity | null>;
   getByOAuthId(oauthId: string): Promise<UserEntity | null>;

server/src/domain/server-info/server-info.dto.ts

@@ -85,6 +85,7 @@ export class ServerConfigDto {
   mapTileUrl!: string;
   @ApiProperty({ type: 'integer' })
   trashDays!: number;
+  isInitialized!: boolean;
 }
 
 export class ServerFeaturesDto implements FeatureFlags {

server/src/domain/server-info/server-info.service.ts

@@ -74,11 +74,14 @@ export class ServerInfoService {
     // TODO move to system config
     const loginPageMessage = process.env.PUBLIC_LOGIN_PAGE_MESSAGE || '';
 
+    const isInitialized = await this.userRepository.hasAdmin();
+
     return {
       loginPageMessage,
       mapTileUrl: config.map.tileUrl,
       trashDays: config.trash.days,
       oauthButtonText: config.oauth.buttonText,
+      isInitialized,
     };
   }