mirror of
https://github.com/misskey-dev/misskey.git
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490 lines
16 KiB
TypeScript
490 lines
16 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and other misskey contributors
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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 { In } from 'typeorm';
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import { ModuleRef } from '@nestjs/core';
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import { DI } from '@/di-symbols.js';
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import type { Packed } from '@/misc/json-schema.js';
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import { awaitAll } from '@/misc/prelude/await-all.js';
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import type { MiUser } from '@/models/User.js';
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import type { MiNote } from '@/models/Note.js';
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import type { MiNoteReaction } from '@/models/NoteReaction.js';
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import type { UsersRepository, NotesRepository, FollowingsRepository, PollsRepository, PollVotesRepository, NoteReactionsRepository, ChannelsRepository } from '@/models/_.js';
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import { bindThis } from '@/decorators.js';
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import { isNotNull } from '@/misc/is-not-null.js';
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import { DebounceLoader } from '@/misc/loader.js';
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import { IdService } from '@/core/IdService.js';
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import type { OnModuleInit } from '@nestjs/common';
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import type { CustomEmojiService } from '../CustomEmojiService.js';
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import type { ReactionService } from '../ReactionService.js';
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import type { UserEntityService } from './UserEntityService.js';
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import type { DriveFileEntityService } from './DriveFileEntityService.js';
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@Injectable()
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export class NoteEntityService implements OnModuleInit {
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private userEntityService: UserEntityService;
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private driveFileEntityService: DriveFileEntityService;
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private customEmojiService: CustomEmojiService;
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private reactionService: ReactionService;
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private idService: IdService;
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private noteLoader = new DebounceLoader(this.findNoteOrFail);
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constructor(
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private moduleRef: ModuleRef,
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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.followingsRepository)
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private followingsRepository: FollowingsRepository,
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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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@Inject(DI.noteReactionsRepository)
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private noteReactionsRepository: NoteReactionsRepository,
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@Inject(DI.channelsRepository)
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private channelsRepository: ChannelsRepository,
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//private userEntityService: UserEntityService,
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//private driveFileEntityService: DriveFileEntityService,
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//private customEmojiService: CustomEmojiService,
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//private reactionService: ReactionService,
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) {
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}
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onModuleInit() {
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this.userEntityService = this.moduleRef.get('UserEntityService');
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this.driveFileEntityService = this.moduleRef.get('DriveFileEntityService');
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this.customEmojiService = this.moduleRef.get('CustomEmojiService');
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this.reactionService = this.moduleRef.get('ReactionService');
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this.idService = this.moduleRef.get('IdService');
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}
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@bindThis
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private async hideNote(packedNote: Packed<'Note'>, meId: MiUser['id'] | null) {
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// TODO: isVisibleForMe を使うようにしても良さそう(型違うけど)
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let hide = false;
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// visibility が specified かつ自分が指定されていなかったら非表示
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if (packedNote.visibility === 'specified') {
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if (meId == null) {
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hide = true;
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} else if (meId === packedNote.userId) {
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hide = false;
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} else {
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// 指定されているかどうか
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const specified = packedNote.visibleUserIds!.some((id: any) => meId === id);
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if (specified) {
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hide = false;
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} else {
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hide = true;
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}
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}
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}
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// visibility が followers かつ自分が投稿者のフォロワーでなかったら非表示
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if (packedNote.visibility === 'followers') {
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if (meId == null) {
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hide = true;
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} else if (meId === packedNote.userId) {
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hide = false;
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} else if (packedNote.reply && (meId === packedNote.reply.userId)) {
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// 自分の投稿に対するリプライ
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hide = false;
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} else if (packedNote.mentions && packedNote.mentions.some(id => meId === id)) {
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// 自分へのメンション
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hide = false;
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} else {
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// フォロワーかどうか
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const isFollowing = await this.followingsRepository.exist({
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where: {
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followeeId: packedNote.userId,
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followerId: meId,
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},
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});
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hide = !isFollowing;
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}
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}
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if (hide) {
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packedNote.visibleUserIds = undefined;
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packedNote.fileIds = [];
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packedNote.files = [];
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packedNote.text = null;
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packedNote.poll = undefined;
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packedNote.cw = null;
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packedNote.isHidden = true;
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}
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}
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@bindThis
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private async populatePoll(note: MiNote, meId: MiUser['id'] | null) {
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const poll = await this.pollsRepository.findOneByOrFail({ noteId: note.id });
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const choices = poll.choices.map(c => ({
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text: c,
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votes: poll.votes[poll.choices.indexOf(c)],
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isVoted: false,
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}));
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if (meId) {
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if (poll.multiple) {
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const votes = await this.pollVotesRepository.findBy({
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userId: meId,
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noteId: note.id,
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});
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const myChoices = votes.map(v => v.choice);
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for (const myChoice of myChoices) {
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choices[myChoice].isVoted = true;
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}
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} else {
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const vote = await this.pollVotesRepository.findOneBy({
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userId: meId,
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noteId: note.id,
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});
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if (vote) {
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choices[vote.choice].isVoted = true;
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}
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}
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}
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return {
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multiple: poll.multiple,
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expiresAt: poll.expiresAt,
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choices,
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};
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}
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@bindThis
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public async populateMyReaction(note: { id: MiNote['id']; reactions: MiNote['reactions']; reactionAndUserPairCache?: MiNote['reactionAndUserPairCache']; }, meId: MiUser['id'], _hint_?: {
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myReactions: Map<MiNote['id'], string | null>;
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}) {
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if (_hint_?.myReactions) {
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const reaction = _hint_.myReactions.get(note.id);
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if (reaction) {
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return this.reactionService.convertLegacyReaction(reaction);
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} else {
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return undefined;
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}
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}
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const reactionsCount = Object.values(note.reactions).reduce((a, b) => a + b, 0);
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if (reactionsCount === 0) return undefined;
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if (note.reactionAndUserPairCache && reactionsCount <= note.reactionAndUserPairCache.length) {
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const pair = note.reactionAndUserPairCache.find(p => p.startsWith(meId));
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if (pair) {
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return this.reactionService.convertLegacyReaction(pair.split('/')[1]);
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} else {
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return undefined;
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}
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}
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// パフォーマンスのためノートが作成されてから2秒以上経っていない場合はリアクションを取得しない
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if (this.idService.parse(note.id).date.getTime() + 2000 > Date.now()) {
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return undefined;
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}
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const reaction = await this.noteReactionsRepository.findOneBy({
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userId: meId,
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noteId: note.id,
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});
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if (reaction) {
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return this.reactionService.convertLegacyReaction(reaction.reaction);
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}
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return undefined;
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}
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@bindThis
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public async isVisibleForMe(note: MiNote, meId: MiUser['id'] | null): Promise<boolean> {
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// This code must always be synchronized with the checks in generateVisibilityQuery.
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// visibility が specified かつ自分が指定されていなかったら非表示
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if (note.visibility === 'specified') {
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if (meId == null) {
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return false;
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} else if (meId === note.userId) {
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return true;
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} else {
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// 指定されているかどうか
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return note.visibleUserIds.some((id: any) => meId === id);
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}
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}
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// visibility が followers かつ自分が投稿者のフォロワーでなかったら非表示
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if (note.visibility === 'followers') {
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if (meId == null) {
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return false;
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} else if (meId === note.userId) {
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return true;
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} else if (note.reply && (meId === note.reply.userId)) {
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// 自分の投稿に対するリプライ
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return true;
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} else if (note.mentions && note.mentions.some(id => meId === id)) {
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// 自分へのメンション
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return true;
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} else {
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// フォロワーかどうか
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const [following, user] = await Promise.all([
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this.followingsRepository.count({
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where: {
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followeeId: note.userId,
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followerId: meId,
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},
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take: 1,
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}),
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this.usersRepository.findOneByOrFail({ id: meId }),
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]);
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/* If we know the following, everyhting is fine.
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But if we do not know the following, it might be that both the
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author of the note and the author of the like are remote users,
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in which case we can never know the following. Instead we have
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to assume that the users are following each other.
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*/
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return following > 0 || (note.userHost != null && user.host != null);
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}
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}
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return true;
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}
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@bindThis
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public async packAttachedFiles(fileIds: MiNote['fileIds'], packedFiles: Map<MiNote['fileIds'][number], Packed<'DriveFile'> | null>): Promise<Packed<'DriveFile'>[]> {
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const missingIds = [];
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for (const id of fileIds) {
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if (!packedFiles.has(id)) missingIds.push(id);
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}
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if (missingIds.length) {
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const additionalMap = await this.driveFileEntityService.packManyByIdsMap(missingIds);
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for (const [k, v] of additionalMap) {
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packedFiles.set(k, v);
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}
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}
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return fileIds.map(id => packedFiles.get(id)).filter(isNotNull);
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}
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@bindThis
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public async pack(
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src: MiNote['id'] | MiNote,
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me?: { id: MiUser['id'] } | null | undefined,
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options?: {
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detail?: boolean;
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skipHide?: boolean;
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withReactionAndUserPairCache?: boolean;
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_hint_?: {
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myReactions: Map<MiNote['id'], string | null>;
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packedFiles: Map<MiNote['fileIds'][number], Packed<'DriveFile'> | null>;
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};
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},
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): Promise<Packed<'Note'>> {
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const opts = Object.assign({
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detail: true,
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skipHide: false,
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withReactionAndUserPairCache: false,
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}, options);
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const meId = me ? me.id : null;
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const note = typeof src === 'object' ? src : await this.noteLoader.load(src);
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const host = note.userHost;
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let text = note.text;
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if (note.name && (note.url ?? note.uri)) {
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text = `【${note.name}】\n${(note.text ?? '').trim()}\n\n${note.url ?? note.uri}`;
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}
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const channel = note.channelId
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? note.channel
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? note.channel
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: await this.channelsRepository.findOneBy({ id: note.channelId })
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: null;
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const reactionEmojiNames = Object.keys(note.reactions)
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.filter(x => x.startsWith(':') && x.includes('@') && !x.includes('@.')) // リモートカスタム絵文字のみ
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.map(x => this.reactionService.decodeReaction(x).reaction.replaceAll(':', ''));
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const packedFiles = options?._hint_?.packedFiles;
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const packed: Packed<'Note'> = await awaitAll({
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id: note.id,
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createdAt: this.idService.parse(note.id).date.toISOString(),
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userId: note.userId,
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user: this.userEntityService.pack(note.user ?? note.userId, me, {
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detail: false,
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}),
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text: text,
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cw: note.cw,
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visibility: note.visibility,
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localOnly: note.localOnly,
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reactionAcceptance: note.reactionAcceptance,
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visibleUserIds: note.visibility === 'specified' ? note.visibleUserIds : undefined,
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renoteCount: note.renoteCount,
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repliesCount: note.repliesCount,
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reactions: this.reactionService.convertLegacyReactions(note.reactions),
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reactionEmojis: this.customEmojiService.populateEmojis(reactionEmojiNames, host),
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reactionAndUserPairCache: opts.withReactionAndUserPairCache ? note.reactionAndUserPairCache : undefined,
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emojis: host != null ? this.customEmojiService.populateEmojis(note.emojis, host) : undefined,
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tags: note.tags.length > 0 ? note.tags : undefined,
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fileIds: note.fileIds,
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files: packedFiles != null ? this.packAttachedFiles(note.fileIds, packedFiles) : this.driveFileEntityService.packManyByIds(note.fileIds),
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replyId: note.replyId,
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renoteId: note.renoteId,
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channelId: note.channelId ?? undefined,
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channel: channel ? {
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id: channel.id,
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name: channel.name,
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color: channel.color,
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isSensitive: channel.isSensitive,
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} : undefined,
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mentions: note.mentions.length > 0 ? note.mentions : undefined,
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uri: note.uri ?? undefined,
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url: note.url ?? undefined,
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...(opts.detail ? {
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clippedCount: note.clippedCount,
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reply: note.replyId ? this.pack(note.reply ?? note.replyId, me, {
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detail: false,
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withReactionAndUserPairCache: opts.withReactionAndUserPairCache,
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_hint_: options?._hint_,
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}) : undefined,
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renote: note.renoteId ? this.pack(note.renote ?? note.renoteId, me, {
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detail: true,
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withReactionAndUserPairCache: opts.withReactionAndUserPairCache,
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_hint_: options?._hint_,
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}) : undefined,
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poll: note.hasPoll ? this.populatePoll(note, meId) : undefined,
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...(meId && Object.keys(note.reactions).length > 0 ? {
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myReaction: this.populateMyReaction(note, meId, options?._hint_),
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} : {}),
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} : {}),
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});
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if (!opts.skipHide) {
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await this.hideNote(packed, meId);
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}
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return packed;
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}
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@bindThis
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public async packMany(
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notes: MiNote[],
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me?: { id: MiUser['id'] } | null | undefined,
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options?: {
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detail?: boolean;
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skipHide?: boolean;
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},
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) {
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if (notes.length === 0) return [];
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const meId = me ? me.id : null;
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const myReactionsMap = new Map<MiNote['id'], string | null>();
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if (meId) {
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const idsNeedFetchMyReaction = new Set<MiNote['id']>();
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// パフォーマンスのためノートが作成されてから2秒以上経っていない場合はリアクションを取得しない
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const oldId = this.idService.gen(Date.now() - 2000);
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for (const note of notes) {
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if (note.renote && (note.text == null && note.fileIds.length === 0)) { // pure renote
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const reactionsCount = Object.values(note.renote.reactions).reduce((a, b) => a + b, 0);
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if (reactionsCount === 0) {
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myReactionsMap.set(note.renote.id, null);
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} else if (reactionsCount <= note.renote.reactionAndUserPairCache.length) {
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const pair = note.renote.reactionAndUserPairCache.find(p => p.startsWith(meId));
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myReactionsMap.set(note.renote.id, pair ? pair.split('/')[1] : null);
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} else {
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idsNeedFetchMyReaction.add(note.renote.id);
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}
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} else {
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if (note.id < oldId) {
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const reactionsCount = Object.values(note.reactions).reduce((a, b) => a + b, 0);
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if (reactionsCount === 0) {
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myReactionsMap.set(note.id, null);
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} else if (reactionsCount <= note.reactionAndUserPairCache.length) {
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const pair = note.reactionAndUserPairCache.find(p => p.startsWith(meId));
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myReactionsMap.set(note.id, pair ? pair.split('/')[1] : null);
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} else {
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idsNeedFetchMyReaction.add(note.id);
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}
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} else {
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myReactionsMap.set(note.id, null);
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}
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}
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}
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const myReactions = idsNeedFetchMyReaction.size > 0 ? await this.noteReactionsRepository.findBy({
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userId: meId,
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noteId: In(Array.from(idsNeedFetchMyReaction)),
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}) : [];
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for (const id of idsNeedFetchMyReaction) {
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myReactionsMap.set(id, myReactions.find(reaction => reaction.noteId === id)?.reaction ?? null);
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}
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}
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await this.customEmojiService.prefetchEmojis(this.aggregateNoteEmojis(notes));
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// TODO: 本当は renote とか reply がないのに renoteId とか replyId があったらここで解決しておく
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const fileIds = notes.map(n => [n.fileIds, n.renote?.fileIds, n.reply?.fileIds]).flat(2).filter(isNotNull);
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const packedFiles = fileIds.length > 0 ? await this.driveFileEntityService.packManyByIdsMap(fileIds) : new Map();
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return await Promise.all(notes.map(n => this.pack(n, me, {
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...options,
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_hint_: {
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myReactions: myReactionsMap,
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packedFiles,
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},
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})));
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}
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@bindThis
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public aggregateNoteEmojis(notes: MiNote[]) {
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let emojis: { name: string | null; host: string | null; }[] = [];
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for (const note of notes) {
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emojis = emojis.concat(note.emojis
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.map(e => this.customEmojiService.parseEmojiStr(e, note.userHost)));
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if (note.renote) {
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emojis = emojis.concat(note.renote.emojis
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.map(e => this.customEmojiService.parseEmojiStr(e, note.renote!.userHost)));
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if (note.renote.user) {
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emojis = emojis.concat(note.renote.user.emojis
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.map(e => this.customEmojiService.parseEmojiStr(e, note.renote!.userHost)));
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}
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}
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const customReactions = Object.keys(note.reactions).map(x => this.reactionService.decodeReaction(x)).filter(x => x.name != null) as typeof emojis;
|
||
emojis = emojis.concat(customReactions);
|
||
if (note.user) {
|
||
emojis = emojis.concat(note.user.emojis
|
||
.map(e => this.customEmojiService.parseEmojiStr(e, note.userHost)));
|
||
}
|
||
}
|
||
return emojis.filter(x => x.name != null && x.host != null) as { name: string; host: string; }[];
|
||
}
|
||
|
||
@bindThis
|
||
private findNoteOrFail(id: string): Promise<MiNote> {
|
||
return this.notesRepository.findOneOrFail({
|
||
where: { id },
|
||
relations: ['user'],
|
||
});
|
||
}
|
||
}
|