immich/server/src/services/server-info.service.ts

import { Inject, Injectable } from '@nestjs/common';
import { StorageCore, StorageFolder } from 'src/cores/storage.core';
import { SystemConfigCore } from 'src/cores/system-config.core';
import {
  ServerConfigDto,
  ServerFeaturesDto,
  ServerInfoResponseDto,
  ServerMediaTypesResponseDto,
  ServerPingResponse,
  ServerStatsResponseDto,
  UsageByUserDto,
} from 'src/dtos/server-info.dto';
import { SystemMetadataKey } from 'src/entities/system-metadata.entity';
import { ILoggerRepository } from 'src/interfaces/logger.interface';
import { IStorageRepository } from 'src/interfaces/storage.interface';
import { ISystemMetadataRepository } from 'src/interfaces/system-metadata.interface';
import { IUserRepository, UserStatsQueryResponse } from 'src/interfaces/user.interface';
import { asHumanReadable } from 'src/utils/bytes';
import { mimeTypes } from 'src/utils/mime-types';
import { isDuplicateDetectionEnabled, isFacialRecognitionEnabled, isSmartSearchEnabled } from 'src/utils/misc';

@Injectable()
export class ServerInfoService {
  private configCore: SystemConfigCore;

  constructor(
    @Inject(IUserRepository) private userRepository: IUserRepository,
    @Inject(IStorageRepository) private storageRepository: IStorageRepository,
    @Inject(ISystemMetadataRepository) private systemMetadataRepository: ISystemMetadataRepository,
    @Inject(ILoggerRepository) private logger: ILoggerRepository,
  ) {
    this.logger.setContext(ServerInfoService.name);
    this.configCore = SystemConfigCore.create(systemMetadataRepository, this.logger);
  }

  async init(): Promise<void> {
    const featureFlags = await this.getFeatures();
    if (featureFlags.configFile) {
      await this.systemMetadataRepository.set(SystemMetadataKey.ADMIN_ONBOARDING, {
        isOnboarded: true,
      });
    }
  }

  async getInfo(): Promise<ServerInfoResponseDto> {
    const libraryBase = StorageCore.getBaseFolder(StorageFolder.LIBRARY);
    const diskInfo = await this.storageRepository.checkDiskUsage(libraryBase);

    const usagePercentage = (((diskInfo.total - diskInfo.free) / diskInfo.total) * 100).toFixed(2);

    const serverInfo = new ServerInfoResponseDto();
    serverInfo.diskAvailable = asHumanReadable(diskInfo.available);
    serverInfo.diskSize = asHumanReadable(diskInfo.total);
    serverInfo.diskUse = asHumanReadable(diskInfo.total - diskInfo.free);
    serverInfo.diskAvailableRaw = diskInfo.available;
    serverInfo.diskSizeRaw = diskInfo.total;
    serverInfo.diskUseRaw = diskInfo.total - diskInfo.free;
    serverInfo.diskUsagePercentage = Number.parseFloat(usagePercentage);
    return serverInfo;
  }

  ping(): ServerPingResponse {
    return { res: 'pong' };
  }

  async getFeatures(): Promise<ServerFeaturesDto> {
    const { reverseGeocoding, map, machineLearning, trash, oauth, passwordLogin, notifications } =
      await this.configCore.getConfig();

    return {
      smartSearch: isSmartSearchEnabled(machineLearning),
      facialRecognition: isFacialRecognitionEnabled(machineLearning),
      duplicateDetection: isDuplicateDetectionEnabled(machineLearning),
      map: map.enabled,
      reverseGeocoding: reverseGeocoding.enabled,
      sidecar: true,
      search: true,
      trash: trash.enabled,
      oauth: oauth.enabled,
      oauthAutoLaunch: oauth.autoLaunch,
      passwordLogin: passwordLogin.enabled,
      configFile: this.configCore.isUsingConfigFile(),
      email: notifications.smtp.enabled,
    };
  }

  async getTheme() {
    const { theme } = await this.configCore.getConfig();
    return theme;
  }

  async getConfig(): Promise<ServerConfigDto> {
    const config = await this.configCore.getConfig();
    const isInitialized = await this.userRepository.hasAdmin();
    const onboarding = await this.systemMetadataRepository.get(SystemMetadataKey.ADMIN_ONBOARDING);

    return {
      loginPageMessage: config.server.loginPageMessage,
      trashDays: config.trash.days,
      userDeleteDelay: config.user.deleteDelay,
      oauthButtonText: config.oauth.buttonText,
      isInitialized,
      isOnboarded: onboarding?.isOnboarded || false,
      externalDomain: config.server.externalDomain,
    };
  }

  async getStatistics(): Promise<ServerStatsResponseDto> {
    const userStats: UserStatsQueryResponse[] = await this.userRepository.getUserStats();
    const serverStats = new ServerStatsResponseDto();

    for (const user of userStats) {
      const usage = new UsageByUserDto();
      usage.userId = user.userId;
      usage.userName = user.userName;
      usage.photos = user.photos;
      usage.videos = user.videos;
      usage.usage = user.usage;
      usage.quotaSizeInBytes = user.quotaSizeInBytes;

      serverStats.photos += usage.photos;
      serverStats.videos += usage.videos;
      serverStats.usage += usage.usage;
      serverStats.usageByUser.push(usage);
    }

    return serverStats;
  }

  getSupportedMediaTypes(): ServerMediaTypesResponseDto {
    return {
      video: Object.keys(mimeTypes.video),
      image: Object.keys(mimeTypes.image),
      sidecar: Object.keys(mimeTypes.sidecar),
    };
  }
}