96 lines
2.7 KiB
TypeScript
96 lines
2.7 KiB
TypeScript
import Router from '@koa/router';
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import { LessThan, IsNull, FindOptionsWhere } from 'typeorm';
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import config from '@/config/index.js';
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import * as url from '@/prelude/url.js';
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import { renderActivity } from '@/remote/activitypub/renderer/index.js';
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import renderOrderedCollection from '@/remote/activitypub/renderer/ordered-collection.js';
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import renderOrderedCollectionPage from '@/remote/activitypub/renderer/ordered-collection-page.js';
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import renderFollowUser from '@/remote/activitypub/renderer/follow-user.js';
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import { Users, Followings, UserProfiles } from '@/models/index.js';
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import { Following } from '@/models/entities/following.js';
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import { setResponseType } from '../activitypub.js';
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export default async (ctx: Router.RouterContext) => {
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const userId = ctx.params.user;
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const cursor = ctx.request.query.cursor;
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if (cursor != null && typeof cursor !== 'string') {
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ctx.status = 400;
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return;
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}
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const page = ctx.request.query.page === 'true';
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const user = await Users.findOneBy({
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id: userId,
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host: IsNull(),
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});
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if (user == null) {
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ctx.status = 404;
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return;
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}
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//#region Check ff visibility
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const profile = await UserProfiles.findOneByOrFail({ userId: user.id });
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if (profile.ffVisibility === 'private') {
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ctx.status = 403;
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ctx.set('Cache-Control', 'public, max-age=30');
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return;
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} else if (profile.ffVisibility === 'followers') {
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ctx.status = 403;
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ctx.set('Cache-Control', 'public, max-age=30');
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return;
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}
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//#endregion
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const limit = 10;
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const partOf = `${config.url}/users/${userId}/following`;
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if (page) {
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const query = {
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followerId: user.id,
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} as FindOptionsWhere<Following>;
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// カーソルが指定されている場合
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if (cursor) {
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query.id = LessThan(cursor);
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}
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// Get followings
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const followings = await Followings.find({
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where: query,
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take: limit + 1,
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order: { id: -1 },
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});
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// 「次のページ」があるかどうか
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const inStock = followings.length === limit + 1;
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if (inStock) followings.pop();
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const renderedFollowees = await Promise.all(followings.map(following => renderFollowUser(following.followeeId)));
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const rendered = renderOrderedCollectionPage(
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`${partOf}?${url.query({
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page: 'true',
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cursor,
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})}`,
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user.followingCount, renderedFollowees, partOf,
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undefined,
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inStock ? `${partOf}?${url.query({
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page: 'true',
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cursor: followings[followings.length - 1].id,
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})}` : undefined,
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);
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ctx.body = renderActivity(rendered);
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setResponseType(ctx);
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} else {
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// index page
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const rendered = renderOrderedCollection(partOf, user.followingCount, `${partOf}?page=true`);
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ctx.body = renderActivity(rendered);
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ctx.set('Cache-Control', 'public, max-age=180');
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setResponseType(ctx);
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}
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};
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