egirlskey/packages/backend/src/core/entities/FlashEntityService.ts
2023-03-10 14:22:37 +09:00

55 lines
1.8 KiB
TypeScript

import { Inject, Injectable } from '@nestjs/common';
import { DI } from '@/di-symbols.js';
import type { FlashsRepository, FlashLikesRepository } from '@/models/index.js';
import { awaitAll } from '@/misc/prelude/await-all.js';
import type { Packed } from '@/misc/json-schema.js';
import type { } from '@/models/entities/Blocking.js';
import type { User } from '@/models/entities/User.js';
import type { Flash } from '@/models/entities/Flash.js';
import { bindThis } from '@/decorators.js';
import { UserEntityService } from './UserEntityService.js';
@Injectable()
export class FlashEntityService {
constructor(
@Inject(DI.flashsRepository)
private flashsRepository: FlashsRepository,
@Inject(DI.flashLikesRepository)
private flashLikesRepository: FlashLikesRepository,
private userEntityService: UserEntityService,
) {
}
@bindThis
public async pack(
src: Flash['id'] | Flash,
me?: { id: User['id'] } | null | undefined,
): Promise<Packed<'Flash'>> {
const meId = me ? me.id : null;
const flash = typeof src === 'object' ? src : await this.flashsRepository.findOneByOrFail({ id: src });
return await awaitAll({
id: flash.id,
createdAt: flash.createdAt.toISOString(),
updatedAt: flash.updatedAt.toISOString(),
userId: flash.userId,
user: this.userEntityService.pack(flash.user ?? flash.userId, me), // { detail: true } すると無限ループするので注意
title: flash.title,
summary: flash.summary,
script: flash.script,
likedCount: flash.likedCount,
isLiked: meId ? await this.flashLikesRepository.findOneBy({ flashId: flash.id, userId: meId }).then(x => x != null) : undefined,
});
}
@bindThis
public packMany(
flashs: Flash[],
me?: { id: User['id'] } | null | undefined,
) {
return Promise.all(flashs.map(x => this.pack(x, me)));
}
}