Publish pinned notes (#2731)

src/services/i/pin.ts

@@ -0,0 +1,61 @@
+import config from '../../config';
+import * as mongo from 'mongodb';
+import User, { isLocalUser, isRemoteUser, ILocalUser } from '../../models/user';
+import Following from '../../models/following';
+import renderAdd from '../../remote/activitypub/renderer/add';
+import renderRemove from '../../remote/activitypub/renderer/remove';
+import packAp from '../../remote/activitypub/renderer';
+import { deliver } from '../../queue';
+
+export async function deliverPinnedChange(userId: mongo.ObjectID, oldId: mongo.ObjectID, newId: mongo.ObjectID) {
+	const user = await User.findOne({
+		_id: userId
+	});
+
+	if (!isLocalUser(user)) return;
+
+	const queue = await CreateRemoteInboxes(user);
+
+	if (queue.length < 1) return;
+
+	const target = `${config.url}/users/${user._id}/collections/featured`;
+
+	if (oldId) {
+		const oldItem = `${config.url}/notes/${oldId}`;
+		const content = packAp(renderRemove(user, target, oldItem));
+		queue.forEach(inbox => {
+			deliver(user, content, inbox);
+		});
+	}
+
+	if (newId) {
+		const newItem = `${config.url}/notes/${newId}`;
+		const content = packAp(renderAdd(user, target, newItem));
+		queue.forEach(inbox => {
+			deliver(user, content, inbox);
+		});
+	}
+}
+
+/**
+ * ローカルユーザーのリモートフォロワーのinboxリストを作成する
+ * @param user ローカルユーザー
+ */
+async function CreateRemoteInboxes(user: ILocalUser): Promise<string[]> {
+	const followers = await Following.find({
+		followeeId: user._id
+	});
+
+	const queue: string[] = [];
+
+	followers.map(following => {
+		const follower = following._follower;
+
+		if (isRemoteUser(follower)) {
+			const inbox = follower.sharedInbox || follower.inbox;
+			if (!queue.includes(inbox)) queue.push(inbox);
+		}
+	});
+
+	return queue;
+}