core&ui: allow missing problem in training (fix #542)

packages/hydrooj/src/handler/training.ts

@@ -112,10 +112,11 @@ class TrainingDetailHandler extends Handler {
         const [udoc, udict, pdict, psdict, selfPsdict] = await Promise.all([
             user.getById(domainId, tdoc.owner),
             user.getListForRender(domainId, enrollUsers, this.user.hasPerm(PERM.PERM_VIEW_USER_PRIVATE_INFO)),
-            problem.getList(domainId, pids, canViewHidden, true),
+            problem.getList(domainId, pids, canViewHidden, false),
             problem.getListStatus(domainId, uid, pids),
             shouldCompare ? problem.getListStatus(domainId, this.user._id, pids) : {},
         ]);
+        const missing = pids.filter((pid) => !pdict[pid]?.docId);
         const donePids = new Set<number>();
         const progPids = new Set<number>();
         for (const pid in psdict) {
@@ -151,7 +152,7 @@ class TrainingDetailHandler extends Handler {
         const groups = this.user.hasPerm(PERM.PERM_EDIT_DOMAIN)
             ? await user.listGroup(domainId) : [];
         this.response.body = {
-            tdoc, tsdoc, pids, pdict, psdict, ndict, nsdict, udoc, udict, selfPsdict, groups,
+            tdoc, tsdoc, pids, pdict, psdict, ndict, nsdict, udoc, udict, selfPsdict, groups, missing,
         };
         this.response.body.tdoc.description = this.response.body.tdoc.description
             .replace(/\(file:\/\//g, `(./${tdoc.docId}/file/`)

packages/ui-default/locales/zh.yaml

@@ -892,6 +892,7 @@ Solutions Liked: 题解被赞
 Solutions: 题解
 Solve: 解决
 Solved: 解决
+Some problems in the training are missing or you do not have permission to view them.: 训练中某些题目缺失或您没有权限查看。
 Sorry, there are no problems in the problem set.: 题库中没有题目
 Sorry, there are no training plans.: 目前没有训练计划。
 Sorry, there are no users in this domain.: 对不起，此域中没有用户。

packages/ui-default/templates/training_detail.html

@@ -55,6 +55,12 @@
             <p>{{ _('page.training_detail.invalid_when_not_enrolled') }}</p>
           </blockquote>
         {% endif %}
+        {% if missing.length %}
+          <blockquote class="warn">
+            <p>{{ _('Some problems in the training are missing or you do not have permission to view them.') }}</p>
+            <p>{{ missing|join(', ') }}</p>
+          </blockquote>
+        {% endif %}
         {{ tdoc.description|default('')|markdown|safe }}
       </div>
     </div>