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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { IsNull } from 'typeorm';
import { Inject, Injectable } from '@nestjs/common';
import type { UsersRepository, FollowingsRepository, UserProfilesRepository } from '@/models/_.js';
import { birthdaySchema } from '@/models/User.js';
import { Endpoint } from '@/server/api/endpoint-base.js';
import { QueryService } from '@/core/QueryService.js';
import { FollowingEntityService } from '@/core/entities/FollowingEntityService.js';
import { UtilityService } from '@/core/UtilityService.js';
import { DI } from '@/di-symbols.js';
import { RoleService } from '@/core/RoleService.js';
import { ApiError } from '../../error.js';
export const meta = {
tags: ['users'],
requireCredential: false,
description: 'Show everyone that this user is following.',
res: {
type: 'array',
optional: false, nullable: false,
items: {
type: 'object',
optional: false, nullable: false,
ref: 'Following',
},
},
errors: {
noSuchUser: {
message: 'No such user.',
code: 'NO_SUCH_USER',
id: '63e4aba4-4156-4e53-be25-c9559e42d71b',
},
forbidden: {
message: 'Forbidden.',
code: 'FORBIDDEN',
id: 'f6cdb0df-c19f-ec5c-7dbb-0ba84a1f92ba',
},
birthdayInvalid: {
message: 'Birthday date format is invalid.',
code: 'BIRTHDAY_DATE_FORMAT_INVALID',
id: 'a2b007b9-4782-4eba-abd3-93b05ed4130d',
},
},
// 2 calls per second
limit: {
duration: 1000,
max: 2,
},
} as const;
export const paramDef = {
type: 'object',
properties: {
sinceId: { type: 'string', format: 'misskey:id' },
untilId: { type: 'string', format: 'misskey:id' },
limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
userId: { type: 'string', format: 'misskey:id' },
username: { type: 'string' },
host: {
type: 'string',
nullable: true,
description: 'The local host is represented with `null`.',
},
birthday: { ...birthdaySchema, nullable: true },
},
anyOf: [
{ required: ['userId'] },
{ required: ['username', 'host'] },
],
} as const;
@Injectable()
export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
constructor(
@Inject(DI.usersRepository)
private usersRepository: UsersRepository,
@Inject(DI.userProfilesRepository)
private userProfilesRepository: UserProfilesRepository,
@Inject(DI.followingsRepository)
private followingsRepository: FollowingsRepository,
private utilityService: UtilityService,
private followingEntityService: FollowingEntityService,
private queryService: QueryService,
private roleService: RoleService,
) {
super(meta, paramDef, async (ps, me) => {
const user = await this.usersRepository.findOneBy(ps.userId != null
? { id: ps.userId }
: { usernameLower: ps.username!.toLowerCase(), host: this.utilityService.toPunyNullable(ps.host) ?? IsNull() });
if (user == null) {
throw new ApiError(meta.errors.noSuchUser);
}
const profile = await this.userProfilesRepository.findOneByOrFail({ userId: user.id });
if (profile.followingVisibility !== 'public' && !await this.roleService.isModerator(me)) {
if (profile.followingVisibility === 'private') {
if (me == null || (me.id !== user.id)) {
throw new ApiError(meta.errors.forbidden);
}
} else if (profile.followingVisibility === 'followers') {
if (me == null) {
throw new ApiError(meta.errors.forbidden);
} else if (me.id !== user.id) {
const isFollowing = await this.followingsRepository.exists({
where: {
followeeId: user.id,
followerId: me.id,
},
});
if (!isFollowing) {
throw new ApiError(meta.errors.forbidden);
}
}
}
}
const query = this.queryService.makePaginationQuery(this.followingsRepository.createQueryBuilder('following'), ps.sinceId, ps.untilId)
.andWhere('following.followerId = :userId', { userId: user.id })
.innerJoinAndSelect('following.followee', 'followee');
if (ps.birthday) {
try {
const birthday = ps.birthday.substring(5, 10);
const birthdayUserQuery = this.userProfilesRepository.createQueryBuilder('user_profile');
birthdayUserQuery.select('user_profile.userId')
.where(`SUBSTR(user_profile.birthday, 6, 5) = '${birthday}'`);
query.andWhere(`following.followeeId IN (${ birthdayUserQuery.getQuery() })`);
} catch (err) {
throw new ApiError(meta.errors.birthdayInvalid);
}
}
const followings = await query
.limit(ps.limit)
.getMany();
return await this.followingEntityService.packMany(followings, me, { populateFollowee: true });
});
}
}
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