349 lines
11 KiB
TypeScript
349 lines
11 KiB
TypeScript
import { Inject, Injectable } from '@nestjs/common';
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import { IsNull } from 'typeorm';
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import { DI } from '@/di-symbols.js';
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import type { EmojisRepository, BlockingsRepository, NoteReactionsRepository, UsersRepository, NotesRepository } from '@/models/index.js';
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import { IdentifiableError } from '@/misc/identifiable-error.js';
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import type { RemoteUser, User } from '@/models/entities/User.js';
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import type { Note } from '@/models/entities/Note.js';
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import { IdService } from '@/core/IdService.js';
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import type { NoteReaction } from '@/models/entities/NoteReaction.js';
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import { isDuplicateKeyValueError } from '@/misc/is-duplicate-key-value-error.js';
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import { GlobalEventService } from '@/core/GlobalEventService.js';
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import { CreateNotificationService } from '@/core/CreateNotificationService.js';
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import PerUserReactionsChart from '@/core/chart/charts/per-user-reactions.js';
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import { emojiRegex } from '@/misc/emoji-regex.js';
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import { ApDeliverManagerService } from '@/core/activitypub/ApDeliverManagerService.js';
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import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
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import { UserEntityService } from '@/core/entities/UserEntityService.js';
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import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
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import { MetaService } from '@/core/MetaService.js';
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import { bindThis } from '@/decorators.js';
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import { UtilityService } from '@/core/UtilityService.js';
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import { UserBlockingService } from '@/core/UserBlockingService.js';
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const legacies: Record<string, string> = {
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'like': '👍',
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'love': '❤', // ここに記述する場合は異体字セレクタを入れない
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'laugh': '😆',
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'hmm': '🤔',
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'surprise': '😮',
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'congrats': '🎉',
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'angry': '💢',
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'confused': '😥',
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'rip': '😇',
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'pudding': '🍮',
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'star': '⭐',
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};
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type DecodedReaction = {
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/**
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* リアクション名 (Unicode Emoji or ':name@hostname' or ':name@.')
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*/
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reaction: string;
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/**
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* name (カスタム絵文字の場合name, Emojiクエリに使う)
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*/
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name?: string;
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/**
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* host (カスタム絵文字の場合host, Emojiクエリに使う)
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*/
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host?: string | null;
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};
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@Injectable()
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export class ReactionService {
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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.blockingsRepository)
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private blockingsRepository: BlockingsRepository,
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@Inject(DI.notesRepository)
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private notesRepository: NotesRepository,
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@Inject(DI.noteReactionsRepository)
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private noteReactionsRepository: NoteReactionsRepository,
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@Inject(DI.emojisRepository)
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private emojisRepository: EmojisRepository,
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private utilityService: UtilityService,
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private metaService: MetaService,
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private userEntityService: UserEntityService,
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private noteEntityService: NoteEntityService,
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private userBlockingService: UserBlockingService,
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private idService: IdService,
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private globalEventService: GlobalEventService,
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private apRendererService: ApRendererService,
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private apDeliverManagerService: ApDeliverManagerService,
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private createNotificationService: CreateNotificationService,
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private perUserReactionsChart: PerUserReactionsChart,
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) {
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}
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@bindThis
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public async create(user: { id: User['id']; host: User['host']; isBot: User['isBot'] }, note: Note, reaction?: string | null) {
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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 IdentifiableError('e70412a4-7197-4726-8e74-f3e0deb92aa7');
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}
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}
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// check visibility
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if (!await this.noteEntityService.isVisibleForMe(note, user.id)) {
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throw new IdentifiableError('68e9d2d1-48bf-42c2-b90a-b20e09fd3d48', 'Note not accessible for you.');
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}
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// TODO: cache
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reaction = await this.toDbReaction(reaction, user.host);
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const record: NoteReaction = {
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id: this.idService.genId(),
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createdAt: new Date(),
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noteId: note.id,
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userId: user.id,
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reaction,
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};
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// Create reaction
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try {
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await this.noteReactionsRepository.insert(record);
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} catch (e) {
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if (isDuplicateKeyValueError(e)) {
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const exists = await this.noteReactionsRepository.findOneByOrFail({
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noteId: note.id,
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userId: user.id,
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});
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if (exists.reaction !== reaction) {
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// 別のリアクションがすでにされていたら置き換える
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await this.delete(user, note);
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await this.noteReactionsRepository.insert(record);
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} else {
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// 同じリアクションがすでにされていたらエラー
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throw new IdentifiableError('51c42bb4-931a-456b-bff7-e5a8a70dd298');
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}
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} else {
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throw e;
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}
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}
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// Increment reactions count
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const sql = `jsonb_set("reactions", '{${reaction}}', (COALESCE("reactions"->>'${reaction}', '0')::int + 1)::text::jsonb)`;
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await this.notesRepository.createQueryBuilder().update()
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.set({
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reactions: () => sql,
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... (!user.isBot ? { score: () => '"score" + 1' } : {}),
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})
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.where('id = :id', { id: note.id })
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.execute();
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this.perUserReactionsChart.update(user, note);
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// カスタム絵文字リアクションだったら絵文字情報も送る
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const decodedReaction = this.decodeReaction(reaction);
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const emoji = await this.emojisRepository.findOne({
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where: {
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name: decodedReaction.name,
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host: decodedReaction.host ?? IsNull(),
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},
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select: ['name', 'host', 'originalUrl', 'publicUrl'],
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});
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this.globalEventService.publishNoteStream(note.id, 'reacted', {
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reaction: decodedReaction.reaction,
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emoji: emoji != null ? {
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name: emoji.host ? `${emoji.name}@${emoji.host}` : `${emoji.name}@.`,
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// || emoji.originalUrl してるのは後方互換性のため（publicUrlはstringなので??はだめ）
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url: emoji.publicUrl || emoji.originalUrl,
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} : null,
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userId: user.id,
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});
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// リアクションされたユーザーがローカルユーザーなら通知を作成
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if (note.userHost === null) {
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this.createNotificationService.createNotification(note.userId, 'reaction', {
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notifierId: user.id,
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noteId: note.id,
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reaction: reaction,
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});
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}
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//#region 配信
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if (this.userEntityService.isLocalUser(user) && !note.localOnly) {
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const content = this.apRendererService.addContext(await this.apRendererService.renderLike(record, note));
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const dm = this.apDeliverManagerService.createDeliverManager(user, content);
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if (note.userHost !== null) {
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const reactee = await this.usersRepository.findOneBy({ id: note.userId });
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dm.addDirectRecipe(reactee as RemoteUser);
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}
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if (['public', 'home', 'followers'].includes(note.visibility)) {
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dm.addFollowersRecipe();
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} else if (note.visibility === 'specified') {
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const visibleUsers = await Promise.all(note.visibleUserIds.map(id => this.usersRepository.findOneBy({ id })));
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for (const u of visibleUsers.filter(u => u && this.userEntityService.isRemoteUser(u))) {
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dm.addDirectRecipe(u as RemoteUser);
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}
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}
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dm.execute();
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}
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//#endregion
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}
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@bindThis
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public async delete(user: { id: User['id']; host: User['host']; isBot: User['isBot']; }, note: Note) {
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// if already unreacted
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const exist = await this.noteReactionsRepository.findOneBy({
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noteId: note.id,
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userId: user.id,
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});
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if (exist == null) {
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throw new IdentifiableError('60527ec9-b4cb-4a88-a6bd-32d3ad26817d', 'not reacted');
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}
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// Delete reaction
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const result = await this.noteReactionsRepository.delete(exist.id);
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if (result.affected !== 1) {
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throw new IdentifiableError('60527ec9-b4cb-4a88-a6bd-32d3ad26817d', 'not reacted');
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}
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// Decrement reactions count
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const sql = `jsonb_set("reactions", '{${exist.reaction}}', (COALESCE("reactions"->>'${exist.reaction}', '0')::int - 1)::text::jsonb)`;
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await this.notesRepository.createQueryBuilder().update()
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.set({
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reactions: () => sql,
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})
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.where('id = :id', { id: note.id })
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.execute();
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if (!user.isBot) this.notesRepository.decrement({ id: note.id }, 'score', 1);
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this.globalEventService.publishNoteStream(note.id, 'unreacted', {
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reaction: this.decodeReaction(exist.reaction).reaction,
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userId: user.id,
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});
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//#region 配信
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if (this.userEntityService.isLocalUser(user) && !note.localOnly) {
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const content = this.apRendererService.addContext(this.apRendererService.renderUndo(await this.apRendererService.renderLike(exist, note), user));
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const dm = this.apDeliverManagerService.createDeliverManager(user, content);
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if (note.userHost !== null) {
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const reactee = await this.usersRepository.findOneBy({ id: note.userId });
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dm.addDirectRecipe(reactee as RemoteUser);
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}
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dm.addFollowersRecipe();
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dm.execute();
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}
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//#endregion
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}
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@bindThis
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public async getFallbackReaction(): Promise<string> {
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const meta = await this.metaService.fetch();
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return meta.useStarForReactionFallback ? '⭐' : '👍';
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}
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@bindThis
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public convertLegacyReactions(reactions: Record<string, number>) {
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const _reactions = {} as Record<string, number>;
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for (const reaction of Object.keys(reactions)) {
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if (reactions[reaction] <= 0) continue;
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if (Object.keys(legacies).includes(reaction)) {
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if (_reactions[legacies[reaction]]) {
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_reactions[legacies[reaction]] += reactions[reaction];
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} else {
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_reactions[legacies[reaction]] = reactions[reaction];
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}
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} else {
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if (_reactions[reaction]) {
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_reactions[reaction] += reactions[reaction];
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} else {
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_reactions[reaction] = reactions[reaction];
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}
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}
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}
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const _reactions2 = {} as Record<string, number>;
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for (const reaction of Object.keys(_reactions)) {
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_reactions2[this.decodeReaction(reaction).reaction] = _reactions[reaction];
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}
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return _reactions2;
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}
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@bindThis
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public async toDbReaction(reaction?: string | null, reacterHost?: string | null): Promise<string> {
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if (reaction == null) return await this.getFallbackReaction();
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reacterHost = this.utilityService.toPunyNullable(reacterHost);
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// 文字列タイプのリアクションを絵文字に変換
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if (Object.keys(legacies).includes(reaction)) return legacies[reaction];
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// Unicode絵文字
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const match = emojiRegex.exec(reaction);
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if (match) {
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// 合字を含む1つの絵文字
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const unicode = match[0];
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// 異体字セレクタ除去
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return unicode.match('\u200d') ? unicode : unicode.replace(/\ufe0f/g, '');
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}
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const custom = reaction.match(/^:([\w+-]+)(?:@\.)?:$/);
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if (custom) {
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const name = custom[1];
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const emoji = await this.emojisRepository.findOneBy({
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host: reacterHost ?? IsNull(),
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name,
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});
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if (emoji) return reacterHost ? `:${name}@${reacterHost}:` : `:${name}:`;
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}
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return await this.getFallbackReaction();
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}
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@bindThis
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public decodeReaction(str: string): DecodedReaction {
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const custom = str.match(/^:([\w+-]+)(?:@([\w.-]+))?:$/);
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if (custom) {
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const name = custom[1];
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const host = custom[2] ?? null;
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return {
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reaction: `:${name}@${host ?? '.'}:`, // ローカル分は@以降を省略するのではなく.にする
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name,
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host,
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};
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}
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return {
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reaction: str,
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name: undefined,
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host: undefined,
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};
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}
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@bindThis
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public convertLegacyReaction(reaction: string): string {
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reaction = this.decodeReaction(reaction).reaction;
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if (Object.keys(legacies).includes(reaction)) return legacies[reaction];
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return reaction;
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}
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}
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