core: admin can remove contestant before contest start (#1196)

packages/hydrooj/locales/ko.yaml

@@ -685,6 +685,7 @@ The user is too lazy to leave something here...: 설명이 없습니다... (´
 There are no contests...: 대회 없음
 There is no homework so far ╰(*°▽°*)╯: 과제 없음 ╰(*°▽°*)╯
 This contest is not live.: 대회가 실시간이 아닙니다.
+This contest has already started.: 대회가 이미 시작되었습니다.
 This email was sent by {0} automatically, and please do not reply directly.: '{0}으로 이메일을 보냈습니다.'
 This homework is not open and you cannot view problems.: 과제를 열지 않았기에 문제를 볼 수 없습니다.
 This homework is not open.: 과제가 아직 닫혀 있습니다.

packages/hydrooj/locales/zh.yaml

@@ -811,6 +811,7 @@ theme: 主题
 There are no contests...: 没有比赛…
 There is no homework so far ╰(*°▽°*)╯: 目前还没有作业 ╰(*°▽°*)╯
 This contest is not live.: 比赛没有开始。
+This contest has already started.: 比赛已开始。
 This email was sent by {0} automatically, and please do not reply directly.: 这封邮件由 {0} 自动发送，请勿直接回复。
 This homework is not open and you cannot view problems.: 该作业还未到开放时间，您无法查看作业题目。
 This homework is not open.: 该作业还未开放递交。

packages/hydrooj/locales/zh_TW.yaml

@@ -808,6 +808,7 @@ theme: 主題
 There are no contests...: 沒有比賽…
 There is no homework so far ╰(*°▽°*)╯: 目前沒有功課 ╰(*°▽°*)╯
 This contest is not live.: 比賽沒有開始。
+This contest has already started.: 比賽已開始。
 This email was sent by {0} automatically, and please do not reply directly.: 這封郵件由 {0} 自動傳送，請勿直接回復。
 This homework is not open and you cannot view problems.: 功課尚未開放，不能檢視題目。
 This homework is not open.: 功課尚未開放遞交。

packages/hydrooj/src/error.ts

@@ -35,6 +35,7 @@ export const ContestNotAttendedError = Err('ContestNotAttendedError', ForbiddenE
 export const RequireProError = Err('RequireProError', ForbiddenError, 'RequireProError');
 export const ContestAlreadyAttendedError = Err('ContestAlreadyAttendedError', ForbiddenError, "You've already attended this contest.");
 export const ContestNotLiveError = Err('ContestNotLiveError', ForbiddenError, 'This contest is not live.');
+export const ContestAlreadyStartedError = Err('ContestAlreadyStartedError', ForbiddenError, 'This contest has already started.');
 export const ContestNotEndedError = Err('ContestNotEndedError', ForbiddenError, 'This contest is not ended.');
 export const ContestScoreboardHiddenError = Err('ContestScoreboardHiddenError', ForbiddenError, 'Contest scoreboard is not visible.');
 export const TrainingAlreadyEnrollError = Err('TrainingAlreadyEnrollError', ForbiddenError, "You've already enrolled this training.");

packages/hydrooj/src/handler/contest.ts

@@ -10,8 +10,8 @@ import {
 } from '@hydrooj/utils/lib/utils';
 import { Context, Service } from '../context';
 import {
-    BadRequestError, ContestNotAttendedError, ContestNotEndedError, ContestNotFoundError, ContestNotLiveError,
-    ContestScoreboardHiddenError, FileLimitExceededError, FileUploadError,
+    BadRequestError, ContestAlreadyStartedError, ContestNotAttendedError, ContestNotEndedError, ContestNotFoundError,
+    ContestNotLiveError, ContestScoreboardHiddenError, FileLimitExceededError, FileUploadError,
     InvalidTokenError, MethodNotAllowedError, NotAssignedError, NotFoundError, PermissionError, ValidationError,
 } from '../error';
 import { ContestStatusDoc, FileInfo, ScoreboardConfig, Tdoc } from '../interface';
@@ -761,6 +761,16 @@ export class ContestUserHandler extends ContestManagementBaseHandler {
         await contest.setStatus(domainId, tid, uid, null, { endAt: '' });
         this.back();
     }
+
+    @param('tid', Types.ObjectId)
+    @param('uid', Types.Int)
+    async postRemoveUser(domainId: string, tid: ObjectId, uid: number) {
+        if (!contest.isNotStarted(this.tdoc)) throw new ContestAlreadyStartedError();
+        const tsdoc = await contest.getStatus(domainId, tid, uid);
+        if (!tsdoc?.attend) throw new ContestNotAttendedError(uid);
+        await contest.cancelAttend(domainId, tid, uid);
+        this.back();
+    }
 }
 
 export class ContestBalloonHandler extends ContestManagementBaseHandler {

packages/hydrooj/src/model/contest.ts

@@ -939,6 +939,12 @@ export async function attend(domainId: string, tid: ObjectId, uid: number, paylo
     return {};
 }
 
+export async function cancelAttend(domainId: string, tid: ObjectId, uid: number) {
+    await document.deleteMultiStatus(domainId, document.TYPE_CONTEST, { docId: tid, uid });
+    await document.inc(domainId, document.TYPE_CONTEST, tid, 'attend', -1);
+    return {};
+}
+
 export function getMultiStatus(domainId: string, query: any) {
     return document.getMultiStatus(domainId, document.TYPE_CONTEST, query);
 }
@@ -1148,6 +1154,7 @@ global.Hydro.model.contest = {
     getListStatus,
     getMultiStatus,
     attend,
+    cancelAttend,
     edit,
     del,
     get,

packages/ui-default/locales/ko.yaml

@@ -59,6 +59,9 @@ Active Sessions: 활성 세션
 Add module: 앱 모듈
 Add new data: 데이터 추가
 Add User: 사용자 추가
+Cancel Registration: 참가 취소
+Registration cancelled.: 참가가 취소되었습니다.
+Are you sure to cancel the registration of this user?: 이 사용자의 참가를 취소하시겠습니까?
 Add: 추가
 All {0} Contests: 전체 {0} 대회
 All Contests: 전체 대회
@@ -690,6 +693,7 @@ Their account will not be deleted and they will be with the guest role until the
 There are no contests...: 대회 없음
 There is no homework so far ╰(*°▽°*)╯: 과제 없음 ╰(*°▽°*)╯
 This contest is not live.: 대회가 실시간이 아닙니다.
+This contest has already started.: 대회가 이미 시작되었습니다.
 This email was sent by {0} automatically, and please do not reply directly.: '{0}으로 이메일을 보냈습니다.'
 This homework is not open and you cannot view problems.: 과제를 열지 않았기에 문제를 볼 수 없습니다.
 This homework is not open.: 과제가 아직 닫혀 있습니다.

packages/ui-default/locales/zh.yaml

@@ -87,6 +87,9 @@ Add prefix/suffix: 添加前缀/后缀
 Add suffix: 添加后缀
 Add testcase: 添加测试点
 Add User: 添加用户
+Cancel Registration: 取消报名
+Registration cancelled.: 报名已取消。
+Are you sure to cancel the registration of this user?: 确定要取消该用户的报名吗？
 Add: 添加
 Additional Files: 附加文件
 additional_file: 附加文件
@@ -966,6 +969,7 @@ There are no contests...: 没有比赛…
 There are no files currently.: 目前还没有文件。
 There is no homework so far ╰(*°▽°*)╯: 目前还没有作业 ╰(*°▽°*)╯
 This contest is not live.: 比赛没有开始。
+This contest has already started.: 比赛已开始。
 This email was sent by {0} automatically, and please do not reply directly.: 这封邮件由 {0} 自动发送，请勿直接回复。
 This homework is not open and you cannot view problems.: 该作业还未到开放时间，您无法查看作业题目。
 This homework is not open.: 该作业还未开放递交。

packages/ui-default/locales/zh_TW.yaml

@@ -87,6 +87,9 @@ Add prefix/suffix: 新增字首/字尾
 Add suffix: 新增字尾
 Add testcase: 新增測試點
 Add User: 新增使用者
+Cancel Registration: 取消報名
+Registration cancelled.: 報名已取消。
+Are you sure to cancel the registration of this user?: 確定要取消該使用者的報名嗎？
 Add: 新增
 Additional Files: 附加檔案
 additional_file: 附加檔案
@@ -962,6 +965,7 @@ There are no contests...: 沒有比賽…
 There are no files currently.: 目前還沒有檔案。
 There is no homework so far ╰(*°▽°*)╯: 目前沒有功課 ╰(*°▽°*)╯
 This contest is not live.: 比賽沒有開始。
+This contest has already started.: 比賽已開始。
 This email was sent by {0} automatically, and please do not reply directly.: 這封郵件由 {0} 自動傳送，請勿直接回復。
 This homework is not open and you cannot view problems.: 功課尚未開放，不能檢視題目。
 This homework is not open.: 功課尚未開放遞交。

packages/ui-default/pages/contest_user.page.ts

@@ -1,6 +1,6 @@
 import $ from 'jquery';
 import UserSelectAutoComplete from 'vj/components/autocomplete/UserSelectAutoComplete';
-import { ActionDialog } from 'vj/components/dialog';
+import { ActionDialog, confirm } from 'vj/components/dialog';
 import Notification from 'vj/components/notification';
 import { NamedPage } from 'vj/misc/Page';
 import {
@@ -93,9 +93,20 @@ const page = new NamedPage('contest_user', () => {
     }, i18n('Contest resumed.'));
   }
 
+  async function handleCancelRegistration(ev) {
+    const uid = $(ev.target).data('uid');
+    const yes = await confirm(i18n('Are you sure to cancel the registration of this user?'));
+    if (!yes) return;
+    await handlePostRequest({
+      operation: 'remove_user',
+      uid,
+    }, i18n('Registration cancelled.'));
+  }
+
   $('[name="add_user"]').on('click', () => handleClickAddUser());
   $(document).on('click', '[name="edit_rank"]', handleEditRank);
   $(document).on('click', '[name="resume_contest"]', handleResume);
+  $(document).on('click', '[name="cancel_registration"]', handleCancelRegistration);
 });
 
 export default page;

packages/ui-default/templates/partials/contest_user.html

@@ -13,6 +13,9 @@
       {% if tsdoc.endAt and tsdoc.endAt < tdoc.endAt and tdoc.endAt.getTime() > Date.now() and (not tdoc.duration or not tsdoc.startAt or tsdoc.startAt.getTime() + tdoc.duration * 3600000 > Date.now()) %}
       | <a name="resume_contest" data-uid="{{ tsdoc.uid }}">{{ _('Resume') }}</a>
       {% endif %}
+      {% if tdoc.beginAt.getTime() > Date.now() %}
+      | <a name="cancel_registration" data-uid="{{ tsdoc.uid }}">{{ _('Cancel Registration') }}</a>
+      {% endif %}
     </td>
   </tr>
   {%- endfor -%}