yumechi-no-kuni/src/server/api/endpoints/users/followers.ts
2019-06-27 18:04:09 +09:00

86 lines
1.9 KiB
TypeScript

import $ from 'cafy';
import { ID } from '../../../../misc/cafy-id';
import define from '../../define';
import { ApiError } from '../../error';
import { Users, Followings } from '../../../../models';
import { makePaginationQuery } from '../../common/make-pagination-query';
import { toPunyNullable } from '../../../../misc/convert-host';
export const meta = {
desc: {
'ja-JP': '指定したユーザーのフォロワー一覧を取得します。',
'en-US': 'Get followers of a user.'
},
tags: ['users'],
requireCredential: false,
params: {
userId: {
validator: $.optional.type(ID),
desc: {
'ja-JP': '対象のユーザーのID',
'en-US': 'Target user ID'
}
},
username: {
validator: $.optional.str
},
host: {
validator: $.optional.nullable.str
},
sinceId: {
validator: $.optional.type(ID),
},
untilId: {
validator: $.optional.type(ID),
},
limit: {
validator: $.optional.num.range(1, 100),
default: 10
},
},
res: {
type: 'array' as const,
optional: false as const, nullable: false as const,
items: {
type: 'object' as const,
optional: false as const, nullable: false as const,
ref: 'Following',
}
},
errors: {
noSuchUser: {
message: 'No such user.',
code: 'NO_SUCH_USER',
id: '27fa5435-88ab-43de-9360-387de88727cd'
}
}
};
export default define(meta, async (ps, me) => {
const user = await Users.findOne(ps.userId != null
? { id: ps.userId }
: { usernameLower: ps.username!.toLowerCase(), host: toPunyNullable(ps.host) });
if (user == null) {
throw new ApiError(meta.errors.noSuchUser);
}
const query = makePaginationQuery(Followings.createQueryBuilder('following'), ps.sinceId, ps.untilId)
.andWhere(`following.followeeId = :userId`, { userId: user.id });
const followings = await query
.take(ps.limit!)
.getMany();
return await Followings.packMany(followings, me, { populateFollower: true });
});