fix: fix bugs and structure

2026-08-13 09:40:21 +03:30
parent c368948c4b
commit f6a57454f4
18 changed files with 630 additions and 590 deletions
@@ -0,0 +1,42 @@
+import { Question } from '@/modules/questions/entities/question.entity';
+import { AnswerSubmissionDTO } from '../dtos/answer-submission.dto';
+import { BadRequestException, HttpStatus } from '@nestjs/common';
+import { QuestionType } from '@/modules/questions/enums/question-type.enum';
+import { NumericMetadata } from '@/modules/questions/interfaces/numeric-metadata.interface';
+import { AppException } from '@/common/exceptions/app.exception';
+
+export const checkAnswerCorrectness = (
+  question: Question,
+  answerSubmissionDto: AnswerSubmissionDTO,
+) => {
+  if (!answerSubmissionDto) throw new BadRequestException();
+
+  const { choiceId, numericValue } = answerSubmissionDto;
+
+  if (question.type === QuestionType.NUMERIC) {
+    if (numericValue === undefined) {
+      throw new BadRequestException('submissions.errors.emptyNumericValue');
+    }
+
+    const metadata = question.metadata as NumericMetadata;
+
+    if (
+      metadata &&
+      (numericValue < metadata.min || numericValue > metadata.max)
+    ) {
+      throw new BadRequestException('submissions.errors.numericValueRange');
+    }
+  }
+
+  if (question.type === QuestionType.MULTI_CHOICE) {
+    if (choiceId === undefined || choiceId === null) {
+      throw new BadRequestException('submissions.errors.emptyChoiceId');
+    }
+
+    if (!question.choices?.some((c) => c.id === choiceId)) {
+      throw new AppException('validation.wrongField', HttpStatus.BAD_REQUEST, {
+        field: '$t(submissions.fields.choiceId)',
+      });
+    }
+  }
+};
@@ -0,0 +1,63 @@
+import { Question } from '@/modules/questions/entities/question.entity';
+import { AnswerSubmissionDTO } from '../dtos/answer-submission.dto';
+import { QuestionTransitionType } from '@/modules/questions/enums/question-transition-type.enum';
+import { QuestionType } from '@/modules/questions/enums/question-type.enum';
+import { SingleChoiceCondition } from '@/modules/questions/interfaces/single-choice-condition.interface';
+import { NumericCondition } from '@/modules/questions/interfaces/numeric-condition.interface';
+import { AppException } from '@/common/exceptions/app.exception';
+import { HttpStatus } from '@nestjs/common';
+
+export const getNextTransition = (
+  question: Question,
+  answerSubmissionDto: AnswerSubmissionDTO,
+) => {
+  const transitions = question.outgoingTransitions ?? [];
+
+  const endTransition = transitions.find(
+    (t) => t.type === QuestionTransitionType.END,
+  );
+
+  if (
+    question.type === QuestionType.MULTI_CHOICE &&
+    answerSubmissionDto.choiceId !== undefined
+  ) {
+    const transition = transitions.find(
+      (t) =>
+        t.type === QuestionTransitionType.CHOICE &&
+        (t.condition as SingleChoiceCondition).choiceId ===
+          answerSubmissionDto.choiceId,
+    );
+
+    if (transition) return transition;
+  }
+
+  if (
+    question.type === QuestionType.NUMERIC &&
+    answerSubmissionDto.numericValue !== undefined
+  ) {
+    const value = answerSubmissionDto.numericValue;
+
+    const transition = transitions.find((t) => {
+      if (t.type !== QuestionTransitionType.NUMBER_RANGE) return false;
+
+      const condition = t.condition as NumericCondition;
+
+      return value >= condition.min && value <= condition.max;
+    });
+
+    if (transition) return transition;
+  }
+
+  const defaultTransition = transitions.find(
+    (t) => t.type === QuestionTransitionType.DEFAULT,
+  );
+
+  if (defaultTransition) return defaultTransition;
+
+  if (endTransition) return endTransition;
+
+  throw new AppException(
+    'submissions.errors.nextQuestionNotFound',
+    HttpStatus.BAD_REQUEST,
+  );
+};