Change question update to patchUpdate

application/module-exercise/src/main/java/org/fuseri/moduleexercise/question/QuestionController.java

@@ -119,7 +119,7 @@ public class QuestionController {
     @PutMapping("/{id}")
     public ResponseEntity<QuestionDto> updateQuestion(@NotNull @PathVariable long id, @Valid @RequestBody QuestionUpdateDto dto) {
         try {
-            return ResponseEntity.ok(questionFacade.update(id, dto));
+            return ResponseEntity.ok(questionFacade.patchUpdate(id, dto));
         } catch (EntityNotFoundException e) {
             return ResponseEntity.notFound().build();
         }

application/module-exercise/src/main/java/org/fuseri/moduleexercise/question/QuestionFacade.java

@@ -101,13 +101,9 @@ public class QuestionFacade {
      * @param dto dto of updated question with correct id
      * @return dto of updated question
      */
-    public QuestionDto update(long id, QuestionUpdateDto dto) {
-        Question question = questionMapper.fromUpdateDto(dto);
-        question.setId(id);
-        List<Answer> questionAnswers = answerService.findAllByQuestionId(id);
-        question.setAnswers(new HashSet<>(questionAnswers));
-        Question updatedQuestion = questionService.update(id, question);
-        return questionMapper.toDto(updatedQuestion);
+    public QuestionDto patchUpdate(long id, QuestionUpdateDto dto) {
+        var a = questionService.patchUpdateWithoutAnswers(id, questionMapper.fromUpdateDto(dto));
+        return questionMapper.toDto(a);
     }
 
     /**

application/module-exercise/src/main/java/org/fuseri/moduleexercise/question/QuestionService.java

@@ -4,11 +4,11 @@ import jakarta.persistence.EntityNotFoundException;
 import lombok.Getter;
 import org.fuseri.moduleexercise.common.DomainService;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.data.domain.Page;
-import org.springframework.data.domain.PageRequest;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.Optional;
+
 /**
  * Represent a service for managing Question entities
  */
@@ -43,4 +43,25 @@ public class QuestionService extends DomainService<Question> {
         return repository.findById(id)
                 .orElseThrow(() -> new EntityNotFoundException("Question '" + id + "' not found."));
     }
+
+    /**
+     * Patch update a question. Don't update question answers.
+     *
+     * @param id the question ID
+     * @param updatedQuestion the question to update
+     * @return the updated question
+     */
+    @Transactional
+    public Question patchUpdateWithoutAnswers(Long id, Question updatedQuestion) {
+        Optional<Question> optionalQuestion = repository.findById(id);
+        if (optionalQuestion.isPresent()) {
+            Question question = optionalQuestion.get();
+            question.setText(updatedQuestion.getText());
+            question.setExercise(updatedQuestion.getExercise());
+            return repository.save(question);
+        } else {
+            throw new EntityNotFoundException("Question with id: " + id + " was not found.");
+        }
+    }
+
 }