feat: practice contests

Author: msc24x

backend/prisma/migrations/20250215074208_/migration.sql

@@ -0,0 +1,9 @@
+/*
+  Warnings:
+
+  - Made the column `public` on table `competitions` required. This step will fail if there are existing NULL values in that column.
+
+*/
+-- AlterTable
+ALTER TABLE `competitions` ADD COLUMN `practice` BOOLEAN NOT NULL DEFAULT false,
+    MODIFY `public` BOOLEAN NOT NULL DEFAULT false;

backend/prisma/schema.prisma

@@ -17,7 +17,8 @@ model competitions {
   deleted_at       DateTime?   @db.DateTime(0)
   updated_at       DateTime    @db.DateTime(0)
   rating           Int         @default(0)
-  public           Boolean?
+  public           Boolean     @default(false)
+  practice         Boolean     @default(false)
   scheduled_at     DateTime?   @db.DateTime(0)
   scheduled_end_at DateTime?   @db.DateTime(0)
   questions        questions[]

backend/src/api/routes/competition.ts

@@ -12,6 +12,7 @@ import config from '../../config/config';
 var router = express.Router();
 const client = Container.get(DatabaseProvider).client();
 
+// Delete a contest
 router.delete('/competition/:id', authenticate, loginRequired, (req, res) => {
     client.competitions
         .update({
@@ -35,10 +36,12 @@ router.delete('/competition/:id', authenticate, loginRequired, (req, res) => {
         });
 });
 
+// Create a contest
 router.post('/competition', authenticate, loginRequired, (req, res) => {
     const title = req.body.title;
+    const practice = Boolean(req.body.practice);
 
-    if (title == null || (title as string).length > 20) {
+    if (title == null || (title as string).length > 120) {
         Util.sendResponse(
             res,
             resCode.badRequest,
@@ -53,6 +56,7 @@ router.post('/competition', authenticate, loginRequired, (req, res) => {
                 title: req.body.title,
                 description: req.body.description,
                 public: false,
+                practice: practice,
                 created_at: new Date(),
                 host_user_id: res.locals.user.id,
                 updated_at: new Date(),
@@ -70,6 +74,7 @@ router.post('/competition', authenticate, loginRequired, (req, res) => {
         });
 });
 
+// Update a contest
 router.put('/competition', authenticate, loginRequired, (req, res) => {
     const competitionBody = req.body;
     if (
@@ -123,6 +128,7 @@ router.put('/competition', authenticate, loginRequired, (req, res) => {
         });
 });
 
+// Fetch a contest
 router.get('/competition/:id', authenticate, loginRequired, (req, res) => {
     if (req.params.id == '') {
         Util.sendResponse(res, resCode.badRequest);
@@ -175,6 +181,7 @@ function isAnyErrorPresent(obj: any) {
     return error;
 }
 
+// Fetch quality of a contest
 router.get(
     '/competition/:id/quality',
     authenticate,
@@ -279,6 +286,7 @@ router.get(
                         }
 
                         if (
+                            question.question_choices?.length &&
                             question.question_choices.every((q) => q.is_correct)
                         ) {
                             questionWarnings.question_choices.push(
@@ -327,6 +335,7 @@ router.get(
     }
 );
 
+// Fetch all contests
 router.get('/competitions', authenticate, (req, res) => {
     const user: UserInfo | null = res.locals.user;
     const params = {

backend/src/api/routes/judge.ts

@@ -68,7 +68,7 @@ function safeRouteToQuestion(
                     );
                     return;
                 }
-                resolve(question);
+                resolve(question as QuestionInfo);
             });
     });
 
@@ -181,9 +181,23 @@ function judgeMcqQuestion(req: Request, res: Response) {
                     user_id: user.id,
                     question_id: question.id,
                 },
+                include: {
+                    question: {
+                        include: {
+                            competitions: {
+                                select: {
+                                    practice: true,
+                                },
+                            },
+                        },
+                    },
+                },
             })
             .then((existingResult) => {
-                if (existingResult) {
+                if (
+                    existingResult &&
+                    !existingResult.question.competitions.practice
+                ) {
                     Util.sendResponse(
                         res,
                         resCode.badRequest,
@@ -257,9 +271,23 @@ function judgeFillQuestion(req: Request, res: Response) {
                         user_id: user.id,
                         question_id: question.id,
                     },
+                    include: {
+                        question: {
+                            include: {
+                                competitions: {
+                                    select: {
+                                        practice: true,
+                                    },
+                                },
+                            },
+                        },
+                    },
                 })
                 .then((existingResult) => {
-                    if (existingResult) {
+                    if (
+                        existingResult &&
+                        !existingResult.question.competitions.practice
+                    ) {
                         Util.sendResponse(
                             res,
                             resCode.badRequest,
@@ -324,9 +352,20 @@ function judgeLongQuestion(req: Request, res: Response) {
                         user_id: user.id,
                         question_id: question.id,
                     },
+                    include: {
+                        question: {
+                            include: {
+                                competitions: {
+                                    select: {
+                                        practice: true,
+                                    },
+                                },
+                            },
+                        },
+                    },
                 })
                 .then((existingResult) => {
-                    if (existingResult) {
+                    if (existingResult && !question.competitions!.practice) {
                         Util.sendResponse(
                             res,
                             resCode.badRequest,
@@ -344,7 +383,8 @@ function judgeLongQuestion(req: Request, res: Response) {
                             output: '',
                             success: success,
                         },
-                        question
+                        question,
+                        question.competitions!.practice
                     );
 
                     Util.sendResponse(res, resCode.success);

backend/src/api/routes/question.ts

@@ -117,8 +117,9 @@ router.post(
                 }
 
                 judgeService
-                    .execute(execReq, false, null, null)
+                    .execute(execReq, true, null, null)
                     .then((exeRes) => {
+                        console.log(exeRes);
                         client.question_verification
                             .upsert({
                                 where: {
@@ -640,6 +641,13 @@ router.get(
                             question_choices: true,
                         },
                     },
+                    host_user: {
+                        select: {
+                            id: true,
+                            name: true,
+                            avatar_url: true,
+                        },
+                    },
                 },
             })
             .then((competition) => {

backend/src/api/routes/user.ts

@@ -59,6 +59,7 @@ async function getUserStats(user_id: number) {
                 deleted_at: null,
                 competitions: {
                     deleted_at: null,
+                    practice: false,
                 },
             },
             user_id: user_id,

backend/src/config/types.ts

@@ -28,6 +28,7 @@ export type QuestionInfo = {
     sol_code_file?: boolean;
     user_answer?: string;
     question_choices?: QuestionChoice[];
+    competitions?: CompetitionInfo;
 };
 
 export type QuestionChoice = {
@@ -84,6 +85,7 @@ export type CompetitionInfo = {
     scheduled_end_at: Date;
     rating: number;
     public: boolean;
+    practice: boolean;
 };
 
 export type CodeSolution = {

backend/src/services/scoreboardService.ts

@@ -17,7 +17,8 @@ export class ScoreboardService {
         user: UserInfo,
         hunterExecutable: HunterExecutable,
         exeInfo: ExeInfo,
-        question: QuestionInfo
+        question: QuestionInfo,
+        practice = false
     ) {
         var points = -1 * question.neg_points;
 
@@ -97,6 +98,11 @@ export class ScoreboardService {
                     evaluated_at: null,
                     result: 0,
                 };
+
+                // We won't require manual evaluation for practice contests.
+                if (practice) {
+                    result_data.evaluated_at = new Date();
+                }
                 break;
             default:
                 throw 'Question type not supported';

src/app/common/components/competitions-list/competitions-list.component.html

@@ -55,6 +55,10 @@
                     <div id="c_title" [ngClass]="{ 'untitled': !com.title }">
                         {{ com.title || "untitled" }}
                     </div>
+                    <div *ngIf="!showAuthor" class="info-like">
+                        Created
+                        {{ com.created_at | timeAgo }}
+                    </div>
                     <div
                         id="c_host_user"
                         routerLink="/u/{{ com.host_user_id }}"
@@ -88,8 +92,13 @@
                                 [icon]="privateIcon"
                                 style="color: crimson"
                             ></fa-icon>
+                            &nbsp;
+                            <span style="color: crimson"> Private </span>
                         </span>
                     </div>
+                    <div class="detail-tag cute-panel" *ngIf="com.practice">
+                        For Practice Only
+                    </div>
                     <div
                         id="start_schedule"
                         class="detail-tag"

src/app/common/components/create-dialog/create-dialog.component.html

@@ -17,15 +17,27 @@
         maxlength="120"
         placeholder="Example: Winter Challenge Wave-II"
     ></textarea>
-    <br />
     <p class="info-like">
         You will be redirected to the Hunter Editor. Be sure to read the Guide
         to create the best competition. Keep in mind that any poorly designed
         Public competition can be reported by the users.
     </p>
+
+    <p>
+        Make it a practice contest? (Cannot be changed later) &nbsp;&nbsp;
+        <mat-slide-toggle [(ngModel)]="practiceContest"></mat-slide-toggle>
+    </p>
+    <p class="info-like">
+        Enable practice mode and it will allow participants to attempt the
+        contest multiple times to practice. The points earned from a practice
+        contest won't be added into a user's profile, and will only be effective
+        in this contest's scoreboard.
+    </p>
+
     <button id="create" class="main" (click)="requestCreateCompetition()">
         <fa-icon [icon]="cubeIcon"></fa-icon> &nbsp; Initialize a new
-        competition
+        {{ practiceContest ? "practice" : "competitive" }}
+        contest
     </button>
     <div class="error">{{ responseMessage }}</div>
 </popup>