1
0
mirror of https://github.com/MisskeyIO/misskey synced 2024-12-22 18:48:19 +09:00
MisskeyIO/packages/backend/src/core/ReactionService.ts

350 lines
11 KiB
TypeScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

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