From e7a443b4c734b1c565c725012b2bb56b9ed936a5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EC=B5=9C=EB=AF=B8=EB=9E=98?= <miraechoi@dgsw.hs.kr>
Date: Mon, 23 Sep 2024 13:42:08 +0900
Subject: [PATCH 1/4] feature :: add getParticipantsCountToday service logic

---
 .../com/dnd/spaced/domain/quiz/application/QuizService.java   | 4 ++++
 1 file changed, 4 insertions(+)

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
index 309688a..9f4a8cd 100644
--- 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();

From c0e6c66959bc63f0d9e799ff7f6a4add86345786 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EC=B5=9C=EB=AF=B8=EB=9E=98?= <miraechoi@dgsw.hs.kr>
Date: Mon, 23 Sep 2024 13:42:25 +0900
Subject: [PATCH 2/4] feature :: add getParticipantsCountToday query

---
 .../domain/quiz/domain/repository/QuizResultRepository.java    | 3 +++
 1 file changed, 3 insertions(+)

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
index 20fdac3..57ed043 100644
--- 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();
 }

From 0e4509ab2a013f05b42b1b3a17732d1701140a21 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EC=B5=9C=EB=AF=B8=EB=9E=98?= <miraechoi@dgsw.hs.kr>
Date: Mon, 23 Sep 2024 13:42:37 +0900
Subject: [PATCH 3/4] feature :: add column to quiz result

---
 .../dnd/spaced/domain/quiz/domain/QuizResult.java    | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

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
index a171e7a..bd238fd 100644
--- 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;
     }
 }

From 04cb39b5909f37496d67d9b2f5539729d50ae4d7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EC=B5=9C=EB=AF=B8=EB=9E=98?= <miraechoi@dgsw.hs.kr>
Date: Mon, 23 Sep 2024 13:42:47 +0900
Subject: [PATCH 4/4] feature :: add /today/participants api

---
 .../dnd/spaced/domain/quiz/presentation/QuizController.java | 6 ++++++
 1 file changed, 6 insertions(+)

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
index 42a7cac..05e2d3a 100644
--- 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);
+    }
 }