108 lines
3.5 KiB
TypeScript
108 lines
3.5 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import { Inject, Injectable } from '@nestjs/common';
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import { DI } from '@/di-symbols.js';
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import type { NotesRepository, UsersRepository, PollsRepository, PollVotesRepository, MiUser } from '@/models/_.js';
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import type { MiNote } from '@/models/Note.js';
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import { RelayService } from '@/core/RelayService.js';
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import { IdService } from '@/core/IdService.js';
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import { GlobalEventService } from '@/core/GlobalEventService.js';
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import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
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import { UserEntityService } from '@/core/entities/UserEntityService.js';
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import { ApDeliverManagerService } from '@/core/activitypub/ApDeliverManagerService.js';
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import { bindThis } from '@/decorators.js';
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import { UserBlockingService } from '@/core/UserBlockingService.js';
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@Injectable()
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export class PollService {
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constructor(
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@Inject(DI.usersRepository)
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private usersRepository: UsersRepository,
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@Inject(DI.notesRepository)
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private notesRepository: NotesRepository,
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@Inject(DI.pollsRepository)
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private pollsRepository: PollsRepository,
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@Inject(DI.pollVotesRepository)
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private pollVotesRepository: PollVotesRepository,
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private userEntityService: UserEntityService,
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private idService: IdService,
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private relayService: RelayService,
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private globalEventService: GlobalEventService,
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private userBlockingService: UserBlockingService,
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private apRendererService: ApRendererService,
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private apDeliverManagerService: ApDeliverManagerService,
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) {
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}
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@bindThis
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public async vote(user: MiUser, note: MiNote, choice: number) {
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const poll = await this.pollsRepository.findOneBy({ noteId: note.id });
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if (poll == null) throw new Error('poll not found');
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// Check whether is valid choice
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if (poll.choices[choice] == null) throw new Error('invalid choice param');
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// Check blocking
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if (note.userId !== user.id) {
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const blocked = await this.userBlockingService.checkBlocked(note.userId, user.id);
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if (blocked) {
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throw new Error('blocked');
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}
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}
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// if already voted
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const exist = await this.pollVotesRepository.findBy({
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noteId: note.id,
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userId: user.id,
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});
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if (poll.multiple) {
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if (exist.some(x => x.choice === choice)) {
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throw new Error('already voted');
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}
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} else if (exist.length !== 0) {
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throw new Error('already voted');
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}
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await this.pollVotesRepository.insert({
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id: this.idService.gen(),
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noteId: note.id,
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userId: user.id,
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choice: choice,
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});
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// Increment votes count
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const index = choice + 1; // In SQL, array index is 1 based
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await this.pollsRepository.query(`UPDATE poll SET votes[${index}] = votes[${index}] + 1 WHERE "noteId" = '${poll.noteId}'`);
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this.globalEventService.publishNoteStream(note.id, 'pollVoted', {
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choice: choice,
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userId: user.id,
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});
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}
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@bindThis
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public async deliverQuestionUpdate(noteId: MiNote['id']) {
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const note = await this.notesRepository.findOneBy({ id: noteId });
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if (note == null) throw new Error('note not found');
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if (note.localOnly) return;
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const user = await this.usersRepository.findOneBy({ id: note.userId });
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if (user == null) throw new Error('note not found');
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if (this.userEntityService.isLocalUser(user)) {
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const content = this.apRendererService.addContext(this.apRendererService.renderUpdate(await this.apRendererService.renderNote(note, false), user));
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this.apDeliverManagerService.deliverToFollowers(user, content);
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this.relayService.deliverToRelays(user, content);
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}
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}
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}
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