ストーキング実装

Closes #1511

src/server/api/endpoints/users/following.ts

@@ -5,7 +5,7 @@ import $ from 'cafy';
 import User from '../../../../models/user';
 import Following from '../../../../models/following';
 import { pack } from '../../../../models/user';
-import getFriends from '../../common/get-friends';
+import { getFriendIds } from '../../common/get-friends';
 
 /**
  * Get following users of a user
@@ -52,7 +52,7 @@ module.exports = (params, me) => new Promise(async (res, rej) => {
 	// ログインしていてかつ iknow フラグがあるとき
 	if (me && iknow) {
 		// Get my friends
-		const myFriends = await getFriends(me._id);
+		const myFriends = await getFriendIds(me._id);
 
 		query.followeeId = {
 			$in: myFriends