hippofish/packages/backend/src/core/entities/FollowingEntityService.ts
2024-02-13 15:59:27 +00:00

112 lines
3.1 KiB
TypeScript

/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { Inject, Injectable } from '@nestjs/common';
import { DI } from '@/di-symbols.js';
import type { FollowingsRepository } from '@/models/_.js';
import { awaitAll } from '@/misc/prelude/await-all.js';
import type { Packed } from '@/misc/json-schema.js';
import type { } from '@/models/Blocking.js';
import type { MiUser } from '@/models/User.js';
import type { MiFollowing } from '@/models/Following.js';
import { bindThis } from '@/decorators.js';
import { IdService } from '@/core/IdService.js';
import { UserEntityService } from './UserEntityService.js';
type LocalFollowerFollowing = MiFollowing & {
followerHost: null;
followerInbox: null;
followerSharedInbox: null;
};
type RemoteFollowerFollowing = MiFollowing & {
followerHost: string;
followerInbox: string;
followerSharedInbox: string;
};
type LocalFolloweeFollowing = MiFollowing & {
followeeHost: null;
followeeInbox: null;
followeeSharedInbox: null;
};
type RemoteFolloweeFollowing = MiFollowing & {
followeeHost: string;
followeeInbox: string;
followeeSharedInbox: string;
};
@Injectable()
export class FollowingEntityService {
constructor(
@Inject(DI.followingsRepository)
private followingsRepository: FollowingsRepository,
private userEntityService: UserEntityService,
private idService: IdService,
) {
}
@bindThis
public isLocalFollower(following: MiFollowing): following is LocalFollowerFollowing {
return following.followerHost == null;
}
@bindThis
public isRemoteFollower(following: MiFollowing): following is RemoteFollowerFollowing {
return following.followerHost != null;
}
@bindThis
public isLocalFollowee(following: MiFollowing): following is LocalFolloweeFollowing {
return following.followeeHost == null;
}
@bindThis
public isRemoteFollowee(following: MiFollowing): following is RemoteFolloweeFollowing {
return following.followeeHost != null;
}
@bindThis
public async pack(
src: MiFollowing['id'] | MiFollowing,
me?: { id: MiUser['id'] } | null | undefined,
opts?: {
populateFollowee?: boolean;
populateFollower?: boolean;
},
): Promise<Packed<'Following'>> {
const following = typeof src === 'object' ? src : await this.followingsRepository.findOneByOrFail({ id: src });
if (opts == null) opts = {};
return await awaitAll({
id: following.id,
createdAt: this.idService.parse(following.id).date.toISOString(),
followeeId: following.followeeId,
followerId: following.followerId,
followee: opts.populateFollowee ? this.userEntityService.pack(following.followee ?? following.followeeId, me, {
schema: 'UserDetailedNotMe',
}) : undefined,
follower: opts.populateFollower ? this.userEntityService.pack(following.follower ?? following.followerId, me, {
schema: 'UserDetailedNotMe',
}) : undefined,
});
}
@bindThis
public packMany(
followings: any[],
me?: { id: MiUser['id'] } | null | undefined,
opts?: {
populateFollowee?: boolean;
populateFollower?: boolean;
},
) {
return Promise.all(followings.map(x => this.pack(x, me, opts)));
}
}