318 lines
10 KiB
TypeScript
318 lines
10 KiB
TypeScript
import { Inject, Injectable } from '@nestjs/common';
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import { DataSource, In, IsNull } from 'typeorm';
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import Redis from 'ioredis';
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import { DI } from '@/di-symbols.js';
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import { IdService } from '@/core/IdService.js';
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import { EmojiEntityService } from '@/core/entities/EmojiEntityService.js';
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import { GlobalEventService } from '@/core/GlobalEventService.js';
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import type { DriveFile } from '@/models/entities/DriveFile.js';
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import type { Emoji } from '@/models/entities/Emoji.js';
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import type { EmojisRepository } from '@/models/index.js';
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import { bindThis } from '@/decorators.js';
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import { MemoryKVCache, RedisSingleCache } from '@/misc/cache.js';
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import { UtilityService } from '@/core/UtilityService.js';
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import type { Config } from '@/config.js';
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import { query } from '@/misc/prelude/url.js';
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@Injectable()
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export class CustomEmojiService {
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private cache: MemoryKVCache<Emoji | null>;
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public localEmojisCache: RedisSingleCache<Map<string, Emoji>>;
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constructor(
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@Inject(DI.redis)
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private redisClient: Redis.Redis,
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@Inject(DI.config)
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private config: Config,
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@Inject(DI.db)
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private db: DataSource,
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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 idService: IdService,
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private emojiEntityService: EmojiEntityService,
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private globalEventService: GlobalEventService,
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) {
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this.cache = new MemoryKVCache<Emoji | null>(1000 * 60 * 60 * 12);
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this.localEmojisCache = new RedisSingleCache<Map<string, Emoji>>(this.redisClient, 'localEmojis', {
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lifetime: 1000 * 60 * 30, // 30m
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memoryCacheLifetime: 1000 * 60 * 3, // 3m
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fetcher: () => this.emojisRepository.find({ where: { host: IsNull() } }).then(emojis => new Map(emojis.map(emoji => [emoji.name, emoji]))),
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toRedisConverter: (value) => JSON.stringify(Array.from(value.values())),
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fromRedisConverter: (value) => {
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if (!Array.isArray(JSON.parse(value))) return undefined; // 古いバージョンの壊れたキャッシュが残っていることがある(そのうち消す)
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return new Map(JSON.parse(value).map((x) => [x.name, {
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...x,
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updatedAt: new Date(x.updatedAt),
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}]));
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},
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});
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}
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@bindThis
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public async add(data: {
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driveFile: DriveFile;
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name: string;
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category: string | null;
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aliases: string[];
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host: string | null;
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license: string | null;
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}): Promise<Emoji> {
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const emoji = await this.emojisRepository.insert({
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id: this.idService.genId(),
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updatedAt: new Date(),
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name: data.name,
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category: data.category,
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host: data.host,
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aliases: data.aliases,
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originalUrl: data.driveFile.url,
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publicUrl: data.driveFile.webpublicUrl ?? data.driveFile.url,
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type: data.driveFile.webpublicType ?? data.driveFile.type,
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license: data.license,
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}).then(x => this.emojisRepository.findOneByOrFail(x.identifiers[0]));
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if (data.host == null) {
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this.localEmojisCache.refresh();
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this.globalEventService.publishBroadcastStream('emojiAdded', {
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emoji: await this.emojiEntityService.packDetailed(emoji.id),
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});
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}
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return emoji;
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}
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@bindThis
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public async update(id: Emoji['id'], data: {
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name?: string;
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category?: string | null;
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aliases?: string[];
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license?: string | null;
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}): Promise<void> {
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const emoji = await this.emojisRepository.findOneByOrFail({ id: id });
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const sameNameEmoji = await this.emojisRepository.findOneBy({ name: data.name, host: IsNull() });
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if (sameNameEmoji != null && sameNameEmoji.id !== id) throw new Error('name already exists');
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await this.emojisRepository.update(emoji.id, {
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updatedAt: new Date(),
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name: data.name,
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category: data.category,
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aliases: data.aliases,
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license: data.license,
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});
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this.localEmojisCache.refresh();
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const updated = await this.emojiEntityService.packDetailed(emoji.id);
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if (emoji.name === data.name) {
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this.globalEventService.publishBroadcastStream('emojiUpdated', {
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emojis: [updated],
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});
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} else {
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this.globalEventService.publishBroadcastStream('emojiDeleted', {
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emojis: [await this.emojiEntityService.packDetailed(emoji)],
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});
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this.globalEventService.publishBroadcastStream('emojiAdded', {
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emoji: updated,
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});
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}
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}
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@bindThis
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public async addAliasesBulk(ids: Emoji['id'][], aliases: string[]) {
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const emojis = await this.emojisRepository.findBy({
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id: In(ids),
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});
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for (const emoji of emojis) {
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await this.emojisRepository.update(emoji.id, {
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updatedAt: new Date(),
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aliases: [...new Set(emoji.aliases.concat(aliases))],
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});
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}
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this.localEmojisCache.refresh();
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this.globalEventService.publishBroadcastStream('emojiUpdated', {
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emojis: await this.emojiEntityService.packDetailedMany(ids),
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});
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}
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@bindThis
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public async setAliasesBulk(ids: Emoji['id'][], aliases: string[]) {
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await this.emojisRepository.update({
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id: In(ids),
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}, {
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updatedAt: new Date(),
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aliases: aliases,
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});
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this.localEmojisCache.refresh();
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this.globalEventService.publishBroadcastStream('emojiUpdated', {
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emojis: await this.emojiEntityService.packDetailedMany(ids),
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});
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}
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@bindThis
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public async removeAliasesBulk(ids: Emoji['id'][], aliases: string[]) {
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const emojis = await this.emojisRepository.findBy({
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id: In(ids),
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});
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for (const emoji of emojis) {
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await this.emojisRepository.update(emoji.id, {
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updatedAt: new Date(),
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aliases: emoji.aliases.filter(x => !aliases.includes(x)),
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});
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}
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this.localEmojisCache.refresh();
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this.globalEventService.publishBroadcastStream('emojiUpdated', {
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emojis: await this.emojiEntityService.packDetailedMany(ids),
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});
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}
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@bindThis
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public async setCategoryBulk(ids: Emoji['id'][], category: string | null) {
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await this.emojisRepository.update({
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id: In(ids),
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}, {
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updatedAt: new Date(),
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category: category,
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});
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this.localEmojisCache.refresh();
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this.globalEventService.publishBroadcastStream('emojiUpdated', {
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emojis: await this.emojiEntityService.packDetailedMany(ids),
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});
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}
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@bindThis
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public async delete(id: Emoji['id']) {
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const emoji = await this.emojisRepository.findOneByOrFail({ id: id });
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await this.emojisRepository.delete(emoji.id);
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this.localEmojisCache.refresh();
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this.globalEventService.publishBroadcastStream('emojiDeleted', {
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emojis: [await this.emojiEntityService.packDetailed(emoji)],
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});
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}
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@bindThis
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public async deleteBulk(ids: Emoji['id'][]) {
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const emojis = await this.emojisRepository.findBy({
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id: In(ids),
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});
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for (const emoji of emojis) {
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await this.emojisRepository.delete(emoji.id);
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}
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this.localEmojisCache.refresh();
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this.globalEventService.publishBroadcastStream('emojiDeleted', {
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emojis: await this.emojiEntityService.packDetailedMany(emojis),
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});
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}
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@bindThis
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private normalizeHost(src: string | undefined, noteUserHost: string | null): string | null {
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// クエリに使うホスト
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let host = src === '.' ? null // .はローカルホスト (ここがマッチするのはリアクションのみ)
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: src === undefined ? noteUserHost // ノートなどでホスト省略表記の場合はローカルホスト (ここがリアクションにマッチすることはない)
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: this.utilityService.isSelfHost(src) ? null // 自ホスト指定
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: (src || noteUserHost); // 指定されたホスト || ノートなどの所有者のホスト (こっちがリアクションにマッチすることはない)
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host = this.utilityService.toPunyNullable(host);
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return host;
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}
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@bindThis
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public parseEmojiStr(emojiName: string, noteUserHost: string | null) {
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const match = emojiName.match(/^(\w+)(?:@([\w.-]+))?$/);
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if (!match) return { name: null, host: null };
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const name = match[1];
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// ホスト正規化
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const host = this.utilityService.toPunyNullable(this.normalizeHost(match[2], noteUserHost));
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return { name, host };
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}
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/**
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* 添付用(リモート)カスタム絵文字URLを解決する
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* @param emojiName ノートやユーザープロフィールに添付された、またはリアクションのカスタム絵文字名 (:は含めない, リアクションでローカルホストの場合は@.を付ける (これはdecodeReactionで可能))
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* @param noteUserHost ノートやユーザープロフィールの所有者のホスト
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* @returns URL, nullは未マッチを意味する
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*/
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@bindThis
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public async populateEmoji(emojiName: string, noteUserHost: string | null): Promise<string | null> {
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const { name, host } = this.parseEmojiStr(emojiName, noteUserHost);
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if (name == null) return null;
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if (host == null) return null;
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const queryOrNull = async () => (await this.emojisRepository.findOneBy({
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name,
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host: host ?? IsNull(),
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})) ?? null;
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const emoji = await this.cache.fetch(`${name} ${host}`, queryOrNull);
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if (emoji == null) return null;
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return emoji.publicUrl || emoji.originalUrl; // || 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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}
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/**
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* 複数の添付用(リモート)カスタム絵文字URLを解決する (キャシュ付き, 存在しないものは結果から除外される)
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*/
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@bindThis
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public async populateEmojis(emojiNames: string[], noteUserHost: string | null): Promise<Record<string, string>> {
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const emojis = await Promise.all(emojiNames.map(x => this.populateEmoji(x, noteUserHost)));
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const res = {} as any;
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for (let i = 0; i < emojiNames.length; i++) {
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if (emojis[i] != null) {
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res[emojiNames[i]] = emojis[i];
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}
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}
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return res;
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}
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/**
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* 与えられた絵文字のリストをデータベースから取得し、キャッシュに追加します
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*/
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@bindThis
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public async prefetchEmojis(emojis: { name: string; host: string | null; }[]): Promise<void> {
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const notCachedEmojis = emojis.filter(emoji => this.cache.get(`${emoji.name} ${emoji.host}`) == null);
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const emojisQuery: any[] = [];
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const hosts = new Set(notCachedEmojis.map(e => e.host));
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for (const host of hosts) {
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if (host == null) continue;
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emojisQuery.push({
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name: In(notCachedEmojis.filter(e => e.host === host).map(e => e.name)),
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host: host,
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});
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}
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const _emojis = emojisQuery.length > 0 ? await this.emojisRepository.find({
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where: emojisQuery,
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select: ['name', 'host', 'originalUrl', 'publicUrl'],
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}) : [];
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for (const emoji of _emojis) {
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this.cache.set(`${emoji.name} ${emoji.host}`, emoji);
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}
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}
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}
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