feat(leaderboard): add leadboard for benchmark

Author: Mikadows

src/benchmarks/benchmark.controller.ts

@@ -56,6 +56,15 @@ export class BenchmarkController {
     return this.benchmarkService.findOne(benchmarkIdDto.id);
   }
 
+  @ApiOperation({ summary: 'Get the leaderboard for the benchmark' })
+  @UseGuards(JwtAuthGuard)
+  @Get(':id/leaderboard')
+  async getLeaderboardById(
+    @Param() benchmarkIdDto: BenchmarkIdDto,
+  ): Promise<Submission[]> {
+    return this.submissionsService.getLeaderboardForBenchmark(benchmarkIdDto);
+  }
+
   @ApiOperation({ summary: 'Get last submission for benchmark + language' })
   @UseGuards(JwtAuthGuard)
   @Get(':id/submissions/last')

src/submissions/submissions.service.ts

@@ -7,14 +7,15 @@ import {
 } from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 import { TypedJSON } from 'typedjson';
-import { Repository } from 'typeorm';
+import { IsNull, Not, Repository } from 'typeorm';
 import { BenchmarkService } from '../benchmarks/benchmark.service';
 import { User } from '../users/user.entity';
 import { FindLastSubmissionByLanguageDTO } from './dto/find-last-submission-by-language.dto';
 import { FindSubmissionDTO } from './dto/find-submission.dto';
 import { InsertSubmissionDTO } from './dto/insert-submission-dto';
 import { JobStatusDTO } from './dto/job-status.dto';
 import { Submission } from './submission.entity';
+import { BenchmarkIdDto } from '../benchmarks/dto/benchmarkId.dto';
 
 @Injectable()
 export class SubmissionsService {
@@ -138,6 +139,21 @@ export class SubmissionsService {
     }
   }
 
+  async getLeaderboardForBenchmark(
+    benchmarkId: BenchmarkIdDto,
+  ): Promise<Submission[]> {
+    const bench = await this.benchmarkService.findOne(benchmarkId.id);
+    return this.submissionsRepository.find({
+      where: [
+        {
+          benchmark: bench,
+          qualityScore: Not(IsNull()),
+        },
+      ],
+      order: { qualityScore: 'DESC' },
+    });
+  }
+
   async findLastByLanguage(
     filter: FindLastSubmissionByLanguageDTO,
     requestUser: User,