From 3f8926f36c644a0dab04c6494b7255b5d07b305e Mon Sep 17 00:00:00 2001
From: undefined <i@undefined.moe>
Date: Thu, 1 Jul 2021 09:48:05 +0800
Subject: [PATCH] core: domain_list: filter unused domain

---
 packages/hydrooj/package.json        |  2 +-
 packages/hydrooj/src/handler/home.ts | 12 ++++++++++--
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index fea28fa2a..392cec80d 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.29.10",
+    "version": "2.29.11",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",
diff --git a/packages/hydrooj/src/handler/home.ts b/packages/hydrooj/src/handler/home.ts
index c5f698a0c..73c366f53 100644
--- a/packages/hydrooj/src/handler/home.ts
+++ b/packages/hydrooj/src/handler/home.ts
@@ -26,6 +26,7 @@ import token from '../model/token';
 import * as training from '../model/training';
 import { PERM, PRIV } from '../model/builtin';
 import BlackListModel from '../model/blacklist';
+import ProblemModel from '../model/problem';
 
 const { geoip, useragent } = global.Hydro.lib;
 
@@ -293,8 +294,15 @@ class HomeDomainHandler extends Handler {
             const dids = Object.keys(dudict);
             ddocs = await domain.getMulti({ _id: { $in: dids } }).toArray();
         } else {
-            ddocs = await domain.getMulti().toArray();
-            for (const ddoc of ddocs) dudict[ddoc._id] = ddoc;
+            const _ddocs = await domain.getMulti().toArray();
+            for (const ddoc of _ddocs) {
+                // eslint-disable-next-line no-await-in-loop
+                const pcount = await ProblemModel.count(ddoc._id, {});
+                if (pcount >= 3) {
+                    dudict[ddoc._id] = ddoc;
+                    ddocs.push(ddoc);
+                }
+            }
         }
         const canManage = {};
         for (const ddoc of ddocs) {