refactoring

Resolve #7779

packages/backend/src/server/activitypub/outbox.ts

@@ -0,0 +1,108 @@
+import * as Router from '@koa/router';
+import config from '@/config/index';
+import $ from 'cafy';
+import { ID } from '@/misc/cafy-id';
+import { renderActivity } from '@/remote/activitypub/renderer/index';
+import renderOrderedCollection from '@/remote/activitypub/renderer/ordered-collection';
+import renderOrderedCollectionPage from '@/remote/activitypub/renderer/ordered-collection-page';
+import { setResponseType } from '../activitypub';
+import renderNote from '@/remote/activitypub/renderer/note';
+import renderCreate from '@/remote/activitypub/renderer/create';
+import renderAnnounce from '@/remote/activitypub/renderer/announce';
+import { countIf } from '@/prelude/array';
+import * as url from '@/prelude/url';
+import { Users, Notes } from '@/models/index';
+import { makePaginationQuery } from '../api/common/make-pagination-query';
+import { Brackets } from 'typeorm';
+import { Note } from '@/models/entities/note';
+
+export default async (ctx: Router.RouterContext) => {
+	const userId = ctx.params.user;
+
+	// Get 'sinceId' parameter
+	const [sinceId, sinceIdErr] = $.optional.type(ID).get(ctx.request.query.since_id);
+
+	// Get 'untilId' parameter
+	const [untilId, untilIdErr] = $.optional.type(ID).get(ctx.request.query.until_id);
+
+	// Get 'page' parameter
+	const pageErr = !$.optional.str.or(['true', 'false']).ok(ctx.request.query.page);
+	const page: boolean = ctx.request.query.page === 'true';
+
+	// Validate parameters
+	if (sinceIdErr || untilIdErr || pageErr || countIf(x => x != null, [sinceId, untilId]) > 1) {
+		ctx.status = 400;
+		return;
+	}
+
+	// Verify user
+	const user = await Users.findOne({
+		id: userId,
+		host: null
+	});
+
+	if (user == null) {
+		ctx.status = 404;
+		return;
+	}
+
+	const limit = 20;
+	const partOf = `${config.url}/users/${userId}/outbox`;
+
+	if (page) {
+		const query = makePaginationQuery(Notes.createQueryBuilder('note'), sinceId, untilId)
+			.andWhere('note.userId = :userId', { userId: user.id })
+			.andWhere(new Brackets(qb => { qb
+				.where(`note.visibility = 'public'`)
+				.orWhere(`note.visibility = 'home'`);
+			}))
+			.andWhere('note.localOnly = FALSE');
+
+		const notes = await query.take(limit).getMany();
+
+		if (sinceId) notes.reverse();
+
+		const activities = await Promise.all(notes.map(note => packActivity(note)));
+		const rendered = renderOrderedCollectionPage(
+			`${partOf}?${url.query({
+				page: 'true',
+				since_id: sinceId,
+				until_id: untilId
+			})}`,
+			user.notesCount, activities, partOf,
+			notes.length ? `${partOf}?${url.query({
+				page: 'true',
+				since_id: notes[0].id
+			})}` : undefined,
+			notes.length ? `${partOf}?${url.query({
+				page: 'true',
+				until_id: notes[notes.length - 1].id
+			})}` : undefined
+		);
+
+		ctx.body = renderActivity(rendered);
+		setResponseType(ctx);
+	} else {
+		// index page
+		const rendered = renderOrderedCollection(partOf, user.notesCount,
+			`${partOf}?page=true`,
+			`${partOf}?page=true&since_id=000000000000000000000000`
+		);
+		ctx.body = renderActivity(rendered);
+		ctx.set('Cache-Control', 'public, max-age=180');
+		setResponseType(ctx);
+	}
+};
+
+/**
+ * Pack Create<Note> or Announce Activity
+ * @param note Note
+ */
+export async function packActivity(note: Note): Promise<any> {
+	if (note.renoteId && note.text == null && !note.hasPoll && (note.fileIds == null || note.fileIds.length === 0)) {
+		const renote = await Notes.findOneOrFail(note.renoteId);
+		return renderAnnounce(renote.uri ? renote.uri : `${config.url}/notes/${renote.id}`, note);
+	}
+
+	return renderCreate(await renderNote(note, false), note);
+}