Merge pull request #160 from dnd-side-project/feature/#154

Add querying the number of quiz participants api
dnd-side-project · Sep 24, 2024 · ab1af1f · ab1af1f
2 parents 73987e2 + 04cb39b
commit ab1af1f
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Showing 4 changed files with 24 additions and 1 deletion.
diff --git a/src/main/java/com/dnd/spaced/domain/quiz/application/QuizService.java b/src/main/java/com/dnd/spaced/domain/quiz/application/QuizService.java
@@ -47,6 +47,10 @@ public QuizResponseDto getQuiz(Long quizId) {
         return QuizServiceMapper.toResponse(quiz.getId(), quiz.getQuestions());
     }
 
+    public long getParticipantsCountToday() {
+        return quizResultRepository.countParticipantsToday();
+    }
+
     @Transactional
     public List<QuizResult> submitAnswers(Long quizId, QuizRequestDto requestDto) {
         List<QuizQuestion> questions = findQuizById(quizId).getQuestions();

diff --git a/src/main/java/com/dnd/spaced/domain/quiz/domain/QuizResult.java b/src/main/java/com/dnd/spaced/domain/quiz/domain/QuizResult.java
@@ -8,6 +8,8 @@
 import jakarta.persistence.Id;
 import lombok.*;
 
+import java.time.LocalDate;
+
 @Entity
 @Getter
 @EqualsAndHashCode(of = "id")
@@ -17,6 +19,8 @@ public class QuizResult {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
+    private Long accountId;
+
     @ManyToOne
     @JoinColumn(name = "quiz_question_id")
     private QuizQuestion quizQuestion;
@@ -27,14 +31,20 @@ public class QuizResult {
 
     private boolean isCorrect;
 
+    private LocalDate createdAt;
+
     @Builder
     private QuizResult(
             QuizQuestion quizQuestion,
             QuizOption selectedOption,
-            boolean isCorrect
+            boolean isCorrect,
+            Long accountId,
+            LocalDate createdAt
     ) {
         this.quizQuestion = quizQuestion;
         this.selectedOption = selectedOption;
         this.isCorrect = isCorrect;
+        this.accountId = accountId;
+        this.createdAt = createdAt;
     }
 }
diff --git a/src/main/java/com/dnd/spaced/domain/quiz/domain/repository/QuizResultRepository.java b/src/main/java/com/dnd/spaced/domain/quiz/domain/repository/QuizResultRepository.java
@@ -2,9 +2,12 @@
 
 import com.dnd.spaced.domain.quiz.domain.QuizResult;
 
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.CrudRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
 public interface QuizResultRepository extends CrudRepository<QuizResult, Long> {
+    @Query("SELECT COUNT(DISTINCT qr.accountId) FROM QuizResult qr WHERE DATE(qr.createdAt) = CURRENT_DATE")
+    long countParticipantsToday();
 }
diff --git a/src/main/java/com/dnd/spaced/domain/quiz/presentation/QuizController.java b/src/main/java/com/dnd/spaced/domain/quiz/presentation/QuizController.java
@@ -47,4 +47,10 @@ public ResponseEntity<List<QuizResult>> submitQuiz(@PathVariable Long id,
         List<QuizResult> results = quizService.submitAnswers(id, requestDto);
         return ResponseEntity.ok(results);
     }
+
+    @GetMapping("/today/participants")
+    public ResponseEntity<Long> getParticipantsCountToday() {
+        long participantsCount = quizService.getParticipantsCountToday();
+        return ResponseEntity.ok(participantsCount);
+    }
 }