ui: enhance problem_files page

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.4.8",
+    "version": "3.4.9",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",

packages/hydrooj/src/handler/problem.ts

@@ -291,11 +291,14 @@ export class ProblemDetailHandler extends ProblemHandler {
             this.tdoc = await contest.get(domainId, tid);
             if (!this.tdoc) throw new ContestNotFoundError(domainId, tid);
             this.tsdoc = await contest.getStatus(domainId, tid, this.user._id);
-            this.pdoc.tag.length = 0;
-            const showAccept = contest.canShowScoreboard.call(this, this.tdoc, true);
-            if (!showAccept) this.pdoc.nAccept = 0;
             if (contest.isNotStarted(this.tdoc)) throw new ContestNotLiveError(tid);
             if (!contest.isDone(this.tdoc) && !this.tsdoc?.attend) throw new ContestNotAttendedError(tid);
+            this.pdoc.tag.length = 0;
+            if (!contest.canShowScoreboard(this.tdoc) || !contest.isLocked(this.tdoc)) {
+                delete this.pdoc.nAccept;
+                delete this.pdoc.nSubmit;
+                delete this.pdoc.stats;
+            }
         } else if (!problem.canViewBy(this.pdoc, this.user)) {
             throw new PermissionError(PERM.PERM_VIEW_PROBLEM_HIDDEN);
         }