monkeeShark/packages/backend/src/core/entities/ChannelEntityService.ts

93 lines
3.1 KiB
TypeScript

import { Inject, Injectable } from '@nestjs/common';
import { DI } from '@/di-symbols.js';
import type { ChannelFavoritesRepository, ChannelFollowingsRepository, ChannelsRepository, DriveFilesRepository, NoteUnreadsRepository, NotesRepository } from '@/models/index.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 { Channel } from '@/models/entities/Channel.js';
import { bindThis } from '@/decorators.js';
import { DriveFileEntityService } from './DriveFileEntityService.js';
import { NoteEntityService } from './NoteEntityService.js';
import { In } from 'typeorm';
@Injectable()
export class ChannelEntityService {
constructor(
@Inject(DI.channelsRepository)
private channelsRepository: ChannelsRepository,
@Inject(DI.channelFollowingsRepository)
private channelFollowingsRepository: ChannelFollowingsRepository,
@Inject(DI.channelFavoritesRepository)
private channelFavoritesRepository: ChannelFavoritesRepository,
@Inject(DI.notesRepository)
private notesRepository: NotesRepository,
@Inject(DI.noteUnreadsRepository)
private noteUnreadsRepository: NoteUnreadsRepository,
@Inject(DI.driveFilesRepository)
private driveFilesRepository: DriveFilesRepository,
private noteEntityService: NoteEntityService,
private driveFileEntityService: DriveFileEntityService,
) {
}
@bindThis
public async pack(
src: Channel['id'] | Channel,
me?: { id: User['id'] } | null | undefined,
detailed?: boolean,
): Promise<Packed<'Channel'>> {
const channel = typeof src === 'object' ? src : await this.channelsRepository.findOneByOrFail({ id: src });
const meId = me ? me.id : null;
const banner = channel.bannerId ? await this.driveFilesRepository.findOneBy({ id: channel.bannerId }) : null;
const hasUnreadNote = meId ? (await this.noteUnreadsRepository.findOneBy({ noteChannelId: channel.id, userId: meId })) != null : undefined;
const following = meId ? await this.channelFollowingsRepository.findOneBy({
followerId: meId,
followeeId: channel.id,
}) : null;
const favorite = meId ? await this.channelFavoritesRepository.findOneBy({
userId: meId,
channelId: channel.id,
}) : null;
const pinnedNotes = channel.pinnedNoteIds.length > 0 ? await this.notesRepository.find({
where: {
id: In(channel.pinnedNoteIds),
},
}) : [];
return {
id: channel.id,
createdAt: channel.createdAt.toISOString(),
lastNotedAt: channel.lastNotedAt ? channel.lastNotedAt.toISOString() : null,
name: channel.name,
description: channel.description,
userId: channel.userId,
bannerUrl: banner ? this.driveFileEntityService.getPublicUrl(banner) : null,
pinnedNoteIds: channel.pinnedNoteIds,
color: channel.color,
usersCount: channel.usersCount,
notesCount: channel.notesCount,
...(me ? {
isFollowing: following != null,
isFavorited: favorite != null,
hasUnreadNote,
} : {}),
...(detailed ? {
pinnedNotes: (await this.noteEntityService.packMany(pinnedNotes, me)).sort((a, b) => channel.pinnedNoteIds.indexOf(a.id) - channel.pinnedNoteIds.indexOf(b.id)),
} : {}),
};
}
}