feat: seperate single and multi choice questions

src/modules/submissions/dtos/answer-submission.dto.ts

@@ -1,4 +1,4 @@
-import { IsNumber, IsOptional } from 'class-validator';
+import { IsArray, IsInt, IsNumber, IsOptional } from 'class-validator';
 import { SubmissionAnswer } from '../decorators/submission-answer.decorator';
 
 export class AnswerSubmissionDTO {
@@ -6,6 +6,11 @@ export class AnswerSubmissionDTO {
   @IsOptional()
   choiceId?: number;
 
+  @IsArray()
+  @IsOptional()
+  @IsInt({ each: true })
+  choiceIds?: number[];
+
   @IsNumber()
   @IsOptional()
   numericValue?: number;

src/modules/submissions/helpers/check-answer-correctness.helper.ts

@@ -28,7 +28,7 @@ export const checkAnswerCorrectness = (
     }
   }
 
-  if (question.type === QuestionType.MULTI_CHOICE) {
+  if (question.type === QuestionType.SINGLE_CHOICE) {
     if (choiceId === undefined || choiceId === null) {
       throw new BadRequestException('submissions.errors.emptyChoiceId');
     }

src/modules/submissions/helpers/get-next-transition.helper.ts

@@ -18,7 +18,7 @@ export const getNextTransition = (
   );
 
   if (
-    question.type === QuestionType.MULTI_CHOICE &&
+    question.type === QuestionType.SINGLE_CHOICE &&
     answerSubmissionDto.choiceId !== undefined
   ) {
     const transition = transitions.find(

src/modules/submissions/providers/answer/answer-authenticated.provider.ts

@@ -131,7 +131,7 @@ export class AnswerAuthenticatedProvider {
     });
 
     if (
-      currentQuestion.type === QuestionType.MULTI_CHOICE &&
+      currentQuestion.type === QuestionType.SINGLE_CHOICE &&
       answerSubmissionDto.choiceId !== undefined
     ) {
       const choice = currentQuestion.choices.find(

src/modules/submissions/providers/answer/answer-guest.provider.ts

@@ -126,7 +126,7 @@ export class AnswerGuestProvider {
     };
 
     if (
-      currentQuestion.type === QuestionType.MULTI_CHOICE &&
+      currentQuestion.type === QuestionType.SINGLE_CHOICE &&
       answerSubmissionDto.choiceId !== undefined
     ) {
       const choice = currentQuestion.choices.find(

src/modules/submissions/providers/answer/calculate-result.provider.ts

@@ -162,7 +162,7 @@ export class CalculateResultProvider {
       if (!question) continue;
 
       if (
-        question.type === QuestionType.MULTI_CHOICE &&
+        question.type === QuestionType.SINGLE_CHOICE &&
         answer.choiceId !== undefined
       ) {
         const choice =
@@ -192,7 +192,7 @@ export class CalculateResultProvider {
     questions.forEach((question) => {
       const answerScores: number[] = [];
 
-      if (question.type === QuestionType.MULTI_CHOICE) {
+      if (question.type === QuestionType.SINGLE_CHOICE) {
         question.choices.forEach((choice) => {
           answerScores.push(choice.score);
         });