fix: createSubmissionDto에 languageId 저장하도록 변경

be/algo-with-me-api/src/competition/dto/create-submission.dto.ts

@@ -1,24 +1,28 @@
 import { IsNotEmpty } from 'class-validator';
 
 import { Problem } from '../../problem/entities/problem.entity';
+import { LANGUAGES, getLanguageIdByName } from '../../problem/language.enums';
+import { User } from '../../user/entities/user.entity';
 import { Submission } from '../entities/submission.entity';
 
-import { User } from '@src/user/entities/user.entity';
-
 export class CreateSubmissionDto {
   @IsNotEmpty()
   problemId: number;
 
   @IsNotEmpty()
   competitionId: number;
 
+  @IsNotEmpty()
+  language: keyof typeof LANGUAGES;
+
   @IsNotEmpty()
   code: string;
 
   toEntity(problem: Problem, user: User): Submission {
     const submission = new Submission();
     submission.code = this.code;
     submission.competitionId = this.competitionId;
+    submission.languageId = getLanguageIdByName(this.language);
     submission.problem = problem;
     submission.user = user;
     return submission;

be/algo-with-me-api/src/problem/language.enums.ts

@@ -3,6 +3,22 @@ export const LANGUAGES = {
   Python3: 'Python3',
 } as const;
 
+const LANGUAGE_IDS = {
+  JavaScript: 1,
+  Python: 2,
+} as const;
+
+export function getLanguageIdByName(languageName: keyof typeof LANGUAGES) {
+  if (!(languageName in LANGUAGE_IDS)) {
+    throw new Error(
+      `${languageName} 언어는 지원하지 않는 언어입니다. 지원하는 언어: ${Object.keys(
+        LANGUAGE_IDS,
+      ).join(', ')}`,
+    );
+  }
+  return LANGUAGE_IDS[languageName];
+}
+
 interface ILanguageMetadata {
   oneLineComment: string;
   indent: string;