FoundKey/packages/backend/src/server/api/endpoints/users/followers.ts

77 lines
2.1 KiB
TypeScript

import { IsNull } from 'typeorm';
import { Users, Followings } from '@/models/index.js';
import { toPunyNullable } from '@/misc/convert-host.js';
import define from '@/server/api/define.js';
import { ApiError } from '@/server/api/error.js';
import { makePaginationQuery } from '@/server/api/common/make-pagination-query.js';
export const meta = {
tags: ['users'],
requireCredential: false,
description: 'Show everyone that follows this user.',
res: {
type: 'array',
optional: false, nullable: false,
items: {
type: 'object',
optional: false, nullable: false,
ref: 'Following',
},
},
errors: ['NO_SUCH_USER', 'ACCESS_DENIED'],
} 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 },
},
anyOf: [
{
properties: {
userId: { type: 'string', format: 'misskey:id' },
},
required: ['userId'],
},
{
properties: {
username: { type: 'string' },
host: {
type: 'string',
nullable: true,
description: 'The local host is represented with `null`.',
},
},
required: ['username', 'host'],
},
],
} as const;
// eslint-disable-next-line import/no-default-export
export default define(meta, paramDef, async (ps, me) => {
const user = await Users.findOneBy(ps.userId != null
? { id: ps.userId }
: { usernameLower: ps.username!.toLowerCase(), host: toPunyNullable(ps.host) ?? IsNull() });
if (user == null) throw new ApiError('NO_SUCH_USER');
const ffVisible = await Users.areFollowersVisibleTo(user, me);
if (!ffVisible) throw new ApiError('ACCESS_DENIED');
const query = makePaginationQuery(Followings.createQueryBuilder('following'), ps.sinceId, ps.untilId)
.andWhere('following.followeeId = :userId', { userId: user.id })
.innerJoinAndSelect('following.follower', 'follower');
const followings = await query
.take(ps.limit)
.getMany();
return await Followings.packMany(followings, me, { populateFollower: true });
});