perf(server): refactor and performance improvements

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

@@ -15,7 +15,6 @@ import { Users, Notes } from '@/models/index.js';
 import { makePaginationQuery } from '../api/common/make-pagination-query.js';
 import { Brackets } from 'typeorm';
 import { Note } from '@/models/entities/note.js';
-import { userCache } from './cache.js';
 
 export default async (ctx: Router.RouterContext) => {
 	const userId = ctx.params.user;
@@ -36,11 +35,10 @@ export default async (ctx: Router.RouterContext) => {
 		return;
 	}
 
-	// TODO: typeorm 3.0にしたら .then(x => x || null) は消せる
-	const user = await userCache.fetch(userId, () => Users.findOne({
+	const user = await Users.findOne({
 		id: userId,
 		host: null,
-	}).then(x => x || null));
+	});
 
 	if (user == null) {
 		ctx.status = 404;