89 lines
2.7 KiB
TypeScript
89 lines
2.7 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import { Inject, Injectable } from '@nestjs/common';
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import { DI } from '@/di-symbols.js';
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import type { FlashLikesRepository, FlashsRepository } from '@/models/_.js';
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import type { Packed } from '@/misc/json-schema.js';
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import type { MiUser } from '@/models/User.js';
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import type { MiFlash } from '@/models/Flash.js';
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import { bindThis } from '@/decorators.js';
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import { IdService } from '@/core/IdService.js';
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import { UserEntityService } from './UserEntityService.js';
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@Injectable()
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export class FlashEntityService {
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constructor(
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@Inject(DI.flashsRepository)
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private flashsRepository: FlashsRepository,
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@Inject(DI.flashLikesRepository)
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private flashLikesRepository: FlashLikesRepository,
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private userEntityService: UserEntityService,
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private idService: IdService,
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) {
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}
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@bindThis
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public async pack(
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src: MiFlash['id'] | MiFlash,
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me?: { id: MiUser['id'] } | null | undefined,
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hint?: {
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packedUser?: Packed<'UserLite'>,
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likedFlashIds?: MiFlash['id'][],
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},
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): Promise<Packed<'Flash'>> {
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const meId = me ? me.id : null;
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const flash = typeof src === 'object' ? src : await this.flashsRepository.findOneByOrFail({ id: src });
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// { schema: 'UserDetailed' } すると無限ループするので注意
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const user = hint?.packedUser ?? await this.userEntityService.pack(flash.user ?? flash.userId, me);
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let isLiked = undefined;
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if (meId) {
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isLiked = hint?.likedFlashIds
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? hint.likedFlashIds.includes(flash.id)
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: await this.flashLikesRepository.exists({ where: { flashId: flash.id, userId: meId } });
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}
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return {
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id: flash.id,
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createdAt: this.idService.parse(flash.id).date.toISOString(),
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updatedAt: flash.updatedAt.toISOString(),
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userId: flash.userId,
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user: user,
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title: flash.title,
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summary: flash.summary,
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script: flash.script,
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visibility: flash.visibility,
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likedCount: flash.likedCount,
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isLiked: isLiked,
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};
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}
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@bindThis
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public async packMany(
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flashes: MiFlash[],
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me?: { id: MiUser['id'] } | null | undefined,
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) {
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const _users = flashes.map(({ user, userId }) => user ?? userId);
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const _userMap = await this.userEntityService.packMany(_users, me)
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.then(users => new Map(users.map(u => [u.id, u])));
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const _likedFlashIds = me
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? await this.flashLikesRepository.createQueryBuilder('flashLike')
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.select('flashLike.flashId')
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.where('flashLike.userId = :userId', { userId: me.id })
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.getRawMany<{ flashLike_flashId: string }>()
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.then(likes => [...new Set(likes.map(like => like.flashLike_flashId))])
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: [];
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return Promise.all(
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flashes.map(flash => this.pack(flash, me, {
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packedUser: _userMap.get(flash.userId),
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likedFlashIds: _likedFlashIds,
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})),
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);
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}
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}
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