From ce7efc4dbb9dca05b6b99b5ada22205890ca823f Mon Sep 17 00:00:00 2001
From: Akihiko Odaki <nekomanma@pixiv.co.jp>
Date: Mon, 2 Apr 2018 17:11:14 +0900
Subject: Distribute posts from remote

---
 src/remote/activitypub/create.ts | 147 +++++++++++++++++++++++----------------
 1 file changed, 88 insertions(+), 59 deletions(-)

(limited to 'src/remote/activitypub/create.ts')

diff --git a/src/remote/activitypub/create.ts b/src/remote/activitypub/create.ts
index 8ea8a85fd8..dd3f7b0227 100644
--- a/src/remote/activitypub/create.ts
+++ b/src/remote/activitypub/create.ts
@@ -1,8 +1,11 @@
 import { JSDOM } from 'jsdom';
 import config from '../../config';
-import Post from '../../models/post';
+import { pack as packPost } from '../../models/post';
 import RemoteUserObject, { IRemoteUserObject } from '../../models/remote-user-object';
+import { IRemoteUser } from '../../models/user';
 import uploadFromUrl from '../../drive/upload-from-url';
+import createPost from '../../post/create';
+import distributePost from '../../post/distribute';
 import Resolver from './resolver';
 const createDOMPurify = require('dompurify');
 
@@ -16,72 +19,98 @@ function createRemoteUserObject($ref, $id, { id }) {
 	return RemoteUserObject.insert({ uri: id, object });
 }
 
-async function createImage(actor, object) {
-	if ('attributedTo' in object && actor.account.uri !== object.attributedTo) {
-		throw new Error();
+class Creator {
+	private actor: IRemoteUser;
+	private distribute: boolean;
+
+	constructor(actor, distribute) {
+		this.actor = actor;
+		this.distribute = distribute;
 	}
 
-	const { _id } = await uploadFromUrl(object.url, actor);
-	return createRemoteUserObject('driveFiles.files', _id, object);
-}
+	private async createImage(object) {
+		if ('attributedTo' in object && this.actor.account.uri !== object.attributedTo) {
+			throw new Error();
+		}
 
-async function createNote(resolver, actor, object) {
-	if ('attributedTo' in object && actor.account.uri !== object.attributedTo) {
-		throw new Error();
+		const { _id } = await uploadFromUrl(object.url, this.actor);
+		return createRemoteUserObject('driveFiles.files', _id, object);
 	}
 
-	const mediaIds = 'attachment' in object &&
-		(await Promise.all(await create(resolver, actor, object.attachment)))
-			.filter(media => media !== null && media.object.$ref === 'driveFiles.files')
-			.map(({ object }) => object.$id);
-
-	const { window } = new JSDOM(object.content);
-
-	const { _id } = await Post.insert({
-		channelId: undefined,
-		index: undefined,
-		createdAt: new Date(object.published),
-		mediaIds,
-		replyId: undefined,
-		repostId: undefined,
-		poll: undefined,
-		text: window.document.body.textContent,
-		textHtml: object.content && createDOMPurify(window).sanitize(object.content),
-		userId: actor._id,
-		appId: null,
-		viaMobile: false,
-		geo: undefined
-	});
-
-	// Register to search database
-	if (object.content && config.elasticsearch.enable) {
-		const es = require('../../db/elasticsearch');
-
-		es.index({
-			index: 'misskey',
-			type: 'post',
-			id: _id.toString(),
-			body: {
-				text: window.document.body.textContent
-			}
-		});
-	}
+	private async createNote(resolver, object) {
+		if ('attributedTo' in object && this.actor.account.uri !== object.attributedTo) {
+			throw new Error();
+		}
 
-	return createRemoteUserObject('posts', _id, object);
-}
+		const mediaIds = 'attachment' in object &&
+			(await Promise.all(await this.create(resolver, object.attachment)))
+				.filter(media => media !== null && media.object.$ref === 'driveFiles.files')
+				.map(({ object }) => object.$id);
+
+		const { window } = new JSDOM(object.content);
+
+		const inserted = await createPost({
+			channelId: undefined,
+			index: undefined,
+			createdAt: new Date(object.published),
+			mediaIds,
+			replyId: undefined,
+			repostId: undefined,
+			poll: undefined,
+			text: window.document.body.textContent,
+			textHtml: object.content && createDOMPurify(window).sanitize(object.content),
+			userId: this.actor._id,
+			appId: null,
+			viaMobile: false,
+			geo: undefined
+		}, null, null, []);
+
+		const promisedRemoteUserObject = createRemoteUserObject('posts', inserted._id, object);
+		const promises = [];
+
+		if (this.distribute) {
+			promises.push(distributePost(this.actor, inserted.mentions, packPost(inserted)));
+		}
 
-export default async function create(parentResolver: Resolver, actor, value): Promise<Array<Promise<IRemoteUserObject>>> {
-	const results = await parentResolver.resolveRemoteUserObjects(value);
+		// Register to search database
+		if (object.content && config.elasticsearch.enable) {
+			const es = require('../../db/elasticsearch');
+
+			promises.push(new Promise((resolve, reject) => {
+				es.index({
+					index: 'misskey',
+					type: 'post',
+					id: inserted._id.toString(),
+					body: {
+						text: window.document.body.textContent
+					}
+				}, resolve);
+			}));
+		}
 
-	return results.map(promisedResult => promisedResult.then(({ resolver, object }) => {
-		switch (object.type) {
-		case 'Image':
-			return createImage(actor, object);
+		await Promise.all(promises);
 
-		case 'Note':
-			return createNote(resolver, actor, object);
-		}
+		return promisedRemoteUserObject;
+	}
+
+	public async create(parentResolver, value): Promise<Array<Promise<IRemoteUserObject>>> {
+		const results = await parentResolver.resolveRemoteUserObjects(value);
+
+		return results.map(promisedResult => promisedResult.then(({ resolver, object }) => {
+			switch (object.type) {
+			case 'Image':
+				return this.createImage(object);
 
-		return null;
-	}));
+			case 'Note':
+				return this.createNote(resolver, object);
+			}
+
+			return null;
+		}));
+	}
 }
+
+export default (resolver: Resolver, actor, value, distribute?: boolean) => {
+	const creator = new Creator(actor, distribute);
+	return creator.create(resolver, value);
+};
-- 
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