import { Injectable, Inject } from '@nestjs/common'; import FederationChart from './charts/federation.js'; import NotesChart from './charts/notes.js'; import UsersChart from './charts/users.js'; import ActiveUsersChart from './charts/active-users.js'; import InstanceChart from './charts/instance.js'; import PerUserNotesChart from './charts/per-user-notes.js'; import DriveChart from './charts/drive.js'; import PerUserReactionsChart from './charts/per-user-reactions.js'; import HashtagChart from './charts/hashtag.js'; import PerUserFollowingChart from './charts/per-user-following.js'; import PerUserDriveChart from './charts/per-user-drive.js'; import ApRequestChart from './charts/ap-request.js'; import type { OnApplicationShutdown } from '@nestjs/common'; @Injectable() export class ChartManagementService implements OnApplicationShutdown { private charts; private saveIntervalId: NodeJS.Timer; constructor( private federationChart: FederationChart, private notesChart: NotesChart, private usersChart: UsersChart, private activeUsersChart: ActiveUsersChart, private instanceChart: InstanceChart, private perUserNotesChart: PerUserNotesChart, private driveChart: DriveChart, private perUserReactionsChart: PerUserReactionsChart, private hashtagChart: HashtagChart, private perUserFollowingChart: PerUserFollowingChart, private perUserDriveChart: PerUserDriveChart, private apRequestChart: ApRequestChart, ) { this.charts = [ this.federationChart, this.notesChart, this.usersChart, this.activeUsersChart, this.instanceChart, this.perUserNotesChart, this.driveChart, this.perUserReactionsChart, this.hashtagChart, this.perUserFollowingChart, this.perUserDriveChart, this.apRequestChart, ]; } public async run() { // 20分おきにメモリ情報をDBに書き込み this.saveIntervalId = setInterval(() => { for (const chart of this.charts) { chart.save(); } }, 1000 * 60 * 20); } async onApplicationShutdown(signal: string): Promise { clearInterval(this.saveIntervalId); await Promise.all( this.charts.map(chart => chart.save()), ); } }