import { Inject, Injectable } from '@nestjs/common'; import { DI } from '@/di-symbols.js'; import type { NotesRepository, UserNotePiningsRepository, UsersRepository } from '@/models/index.js'; import { IdentifiableError } from '@/misc/identifiable-error.js'; import type { User } from '@/models/entities/User.js'; import type { Note } from '@/models/entities/Note.js'; import { IdService } from '@/core/IdService.js'; import type { UserNotePining } from '@/models/entities/UserNotePining.js'; import { RelayService } from '@/core/RelayService.js'; import type { Config } from '@/config.js'; import { UserEntityService } from '@/core/entities/UserEntityService.js'; import { ApDeliverManagerService } from '@/core/activitypub/ApDeliverManagerService.js'; import { ApRendererService } from '@/core/activitypub/ApRendererService.js'; @Injectable() export class NotePiningService { constructor( @Inject(DI.config) private config: Config, @Inject(DI.usersRepository) private usersRepository: UsersRepository, @Inject(DI.notesRepository) private notesRepository: NotesRepository, @Inject(DI.userNotePiningsRepository) private userNotePiningsRepository: UserNotePiningsRepository, private userEntityService: UserEntityService, private idService: IdService, private relayService: RelayService, private apDeliverManagerService: ApDeliverManagerService, private apRendererService: ApRendererService, ) { } /** * 指定した投稿をピン留めします * @param user * @param noteId */ public async addPinned(user: { id: User['id']; host: User['host']; }, noteId: Note['id']) { // Fetch pinee const note = await this.notesRepository.findOneBy({ id: noteId, userId: user.id, }); if (note == null) { throw new IdentifiableError('70c4e51f-5bea-449c-a030-53bee3cce202', 'No such note.'); } const pinings = await this.userNotePiningsRepository.findBy({ userId: user.id }); if (pinings.length >= 5) { throw new IdentifiableError('15a018eb-58e5-4da1-93be-330fcc5e4e1a', 'You can not pin notes any more.'); } if (pinings.some(pining => pining.noteId === note.id)) { throw new IdentifiableError('23f0cf4e-59a3-4276-a91d-61a5891c1514', 'That note has already been pinned.'); } await this.userNotePiningsRepository.insert({ id: this.idService.genId(), createdAt: new Date(), userId: user.id, noteId: note.id, } as UserNotePining); // Deliver to remote followers if (this.userEntityService.isLocalUser(user)) { this.deliverPinnedChange(user.id, note.id, true); } } /** * 指定した投稿のピン留めを解除します * @param user * @param noteId */ public async removePinned(user: { id: User['id']; host: User['host']; }, noteId: Note['id']) { // Fetch unpinee const note = await this.notesRepository.findOneBy({ id: noteId, userId: user.id, }); if (note == null) { throw new IdentifiableError('b302d4cf-c050-400a-bbb3-be208681f40c', 'No such note.'); } this.userNotePiningsRepository.delete({ userId: user.id, noteId: note.id, }); // Deliver to remote followers if (this.userEntityService.isLocalUser(user)) { this.deliverPinnedChange(user.id, noteId, false); } } public async deliverPinnedChange(userId: User['id'], noteId: Note['id'], isAddition: boolean) { const user = await this.usersRepository.findOneBy({ id: userId }); if (user == null) throw new Error('user not found'); if (!this.userEntityService.isLocalUser(user)) return; const target = `${this.config.url}/users/${user.id}/collections/featured`; const item = `${this.config.url}/notes/${noteId}`; const content = this.apRendererService.renderActivity(isAddition ? this.apRendererService.renderAdd(user, target, item) : this.apRendererService.renderRemove(user, target, item)); this.apDeliverManagerService.deliverToFollowers(user, content); this.relayService.deliverToRelays(user, content); } }