1
0
mirror of https://github.com/misskey-dev/misskey synced 2024-12-30 22:48:36 +09:00
misskey/src/server/activitypub/following.ts

84 lines
2.3 KiB
TypeScript
Raw Normal View History

import * as mongo from 'mongodb';
2018-08-21 13:48:03 +09:00
import * as Router from 'koa-router';
import config from '../../config';
import $ from 'cafy'; import ID from '../../misc/cafy-id';
import User from '../../models/user';
import Following from '../../models/following';
import pack from '../../remote/activitypub/renderer';
import renderOrderedCollection from '../../remote/activitypub/renderer/ordered-collection';
import renderOrderedCollectionPage from '../../remote/activitypub/renderer/ordered-collection-page';
import renderFollowUser from '../../remote/activitypub/renderer/follow-user';
2018-08-21 13:48:03 +09:00
import { setResponseType } from '../activitypub';
2018-08-21 13:48:03 +09:00
export default async (ctx: Router.IRouterContext) => {
const userId = new mongo.ObjectID(ctx.params.user);
// Get 'cursor' parameter
const [cursor = null, cursorErr] = $.type(ID).optional.get(ctx.request.query.cursor);
// Get 'page' parameter
const pageErr = !$.str.optional.or(['true', 'false']).ok(ctx.request.query.page);
const page: boolean = ctx.request.query.page === 'true';
// Validate parameters
if (cursorErr || pageErr) {
ctx.status = 400;
return;
}
// Verify user
const user = await User.findOne({
_id: userId,
host: null
});
if (user === null) {
ctx.status = 404;
return;
}
const limit = 10;
const partOf = `${config.url}/users/${userId}/following`;
if (page) {
// Construct query
const query = {
followerId: user._id
} as any;
// カーソルが指定されている場合
if (cursor) {
query._id = {
$lt: cursor
};
}
// Get followings
const followings = await Following
.find(query, {
limit: limit + 1,
sort: { _id: -1 }
});
// 「次のページ」があるかどうか
const inStock = followings.length === limit + 1;
if (inStock) followings.pop();
const renderedFollowees = await Promise.all(followings.map(following => renderFollowUser(following.followeeId)));
const rendered = renderOrderedCollectionPage(
`${partOf}?page=true${cursor ? `&cursor=${cursor}` : ''}`,
user.followingCount, renderedFollowees, partOf,
null,
inStock ? `${partOf}?page=true&cursor=${followings[followings.length - 1]._id}` : null
);
ctx.body = pack(rendered);
2018-08-21 13:48:03 +09:00
setResponseType(ctx);
} else {
// index page
const rendered = renderOrderedCollection(partOf, user.followingCount, `${partOf}?page=true`, null);
ctx.body = pack(rendered);
2018-08-21 13:48:03 +09:00
setResponseType(ctx);
}
};