core: contest: support realtime scoreboard after freeze contest (#544)

Co-authored-by: panda <panda_dtdyy@outlook.com>

packages/hydrooj/src/handler/contest.ts

@@ -11,7 +11,7 @@ import {
     ContestScoreboardHiddenError, FileLimitExceededError, FileUploadError,
     InvalidTokenError, NotAssignedError, PermissionError, ValidationError,
 } from '../error';
-import { Tdoc } from '../interface';
+import { ScoreboardConfig, Tdoc } from '../interface';
 import paginate from '../lib/paginate';
 import { PERM, PRIV, STATUS } from '../model/builtin';
 import * as contest from '../model/contest';
@@ -265,13 +265,21 @@ export class ContestProblemListHandler extends ContestDetailBaseHandler {
 export class ContestScoreboardHandler extends ContestDetailBaseHandler {
     @param('tid', Types.ObjectId)
     @param('ext', Types.Range(['csv', 'html', 'ghost']), true)
-    async get(domainId: string, tid: ObjectId, ext = '') {
+    @param('realtime', Types.Boolean)
+    async get(domainId: string, tid: ObjectId, ext = '', realtime) {
         if (!contest.canShowScoreboard.call(this, this.tdoc, true)) throw new ContestScoreboardHiddenError(tid);
+        if (realtime && !this.user.own(this.tdoc)) {
+            this.checkPerm(PERM.PERM_VIEW_CONTEST_HIDDEN_SCOREBOARD);
+        }
         if (ext) {
             await this.exportScoreboard(domainId, tid, ext);
             return;
         }
-        const [, rows, udict, pdict] = await contest.getScoreboard.call(this, domainId, tid, false);
+        const config: ScoreboardConfig = { isExport: false };
+        if (!realtime && this.tdoc.lockAt && !this.tdoc.unlocked) {
+            config.lockAt = this.tdoc.lockAt;
+        }
+        const [, rows, udict, pdict] = await contest.getScoreboard.call(this, domainId, tid, config);
         this.response.template = 'contest_scoreboard.html';
         // eslint-disable-next-line @typescript-eslint/naming-convention
         const page_name = this.tdoc.rule === 'homework'
@@ -334,7 +342,7 @@ export class ContestScoreboardHandler extends ContestDetailBaseHandler {
             csv: async (rows) => `\uFEFF${rows.map((c) => (c.map((i) => i.value?.toString().replace(/\n/g, ' ')).join(','))).join('\n')}`,
             html: (rows, tdoc) => this.renderHTML('contest_scoreboard_download_html.html', { rows, tdoc }),
         };
-        const [, rows] = await contest.getScoreboard.call(this, domainId, tid, true);
+        const [, rows] = await contest.getScoreboard.call(this, domainId, tid, { isExport: true, lockAt: this.tdoc.lockAt });
         this.binary(await getContent[ext](rows, this.tdoc), `${this.tdoc.title}.${ext}`);
     }
 

packages/hydrooj/src/handler/problem.ts

@@ -7,7 +7,7 @@ import { Filter, ObjectId } from 'mongodb';
 import { nanoid } from 'nanoid';
 import { sortFiles, streamToBuffer } from '@hydrooj/utils/lib/utils';
 import {
-    ContestNotAttendedError, ContestNotEndedError, ContestNotFoundError, ContestNotLiveError,
+    BadRequestError, ContestNotAttendedError, ContestNotEndedError, ContestNotFoundError, ContestNotLiveError,
     FileLimitExceededError, HackFailedError, NoProblemError, NotFoundError,
     PermissionError, ProblemAlreadyExistError, ProblemAlreadyUsedByContestError, ProblemConfigError,
     ProblemIsReferencedError, ProblemNotAllowLanguageError, ProblemNotAllowPretestError, ProblemNotFoundError,
@@ -449,6 +449,7 @@ export class ProblemDetailHandler extends ContestDetailBaseHandler {
 
     @param('target', Types.String)
     async postCopy(domainId: string, target: string) {
+        if (this.pdoc.reference) throw new BadRequestError('Cannot copy a referenced problem');
         const t = `,${this.domain.share || ''},`;
         if (t !== ',*,' && !t.includes(`,${target},`)) throw new PermissionError(target);
         const ddoc = await domain.get(target);
@@ -1011,7 +1012,7 @@ export class ProblemPrefixListHandler extends Handler {
 export async function apply(ctx) {
     ctx.Route('problem_main', '/p', ProblemMainHandler, PERM.PERM_VIEW_PROBLEM);
     ctx.Route('problem_random', '/problem/random', ProblemRandomHandler, PERM.PERM_VIEW_PROBLEM);
-    ctx.Route('problem_detail', '/p/:pid', ProblemDetailHandler, PERM.PERM_VIEW_PROBLEM);
+    ctx.Route('problem_detail', '/p/:pid', ProblemDetailHandler);
     ctx.Route('problem_submit', '/p/:pid/submit', ProblemSubmitHandler, PERM.PERM_SUBMIT_PROBLEM);
     ctx.Route('problem_hack', '/p/:pid/hack/:rid', ProblemHackHandler, PERM.PERM_SUBMIT_PROBLEM);
     ctx.Route('problem_edit', '/p/:pid/edit', ProblemEditHandler);