From 7bb0354d95522249379d278f6c36913d2c7b965b Mon Sep 17 00:00:00 2001
From: kimnamgyu <lethargic.hood@gmail.com>
Date: Tue, 29 Oct 2024 12:47:31 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20=EB=AC=B8=EC=A0=9C=20=EB=9E=9C=EB=8D=A4?=
 =?UTF-8?q?=20=EC=A1=B0=ED=9A=8C=EB=A5=BC=20=EC=9C=84=ED=95=B4=20=ED=95=84?=
 =?UTF-8?q?=EC=9A=94=ED=95=9C=20API=20=EA=B5=AC=ED=98=84?=
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---
 .../com/syu/capsbe/domain/problem/ProblemRepository.java | 3 +++
 .../domain/problem/application/ProblemService.java       | 2 ++
 .../domain/problem/application/ProblemServiceImpl.java   | 9 +++++++++
 .../domain/problem/presentation/ProblemController.java   | 8 ++++++++
 4 files changed, 22 insertions(+)

diff --git a/src/main/java/com/syu/capsbe/domain/problem/ProblemRepository.java b/src/main/java/com/syu/capsbe/domain/problem/ProblemRepository.java
index 3ca151a..5fbd29f 100644
--- a/src/main/java/com/syu/capsbe/domain/problem/ProblemRepository.java
+++ b/src/main/java/com/syu/capsbe/domain/problem/ProblemRepository.java
@@ -8,6 +8,9 @@
 @Repository
 public interface ProblemRepository extends JpaRepository<Problem, Long> {
 
+    @Query("SELECT p FROM Problem p ORDER BY RAND() LIMIT 1")
+    Optional<Problem> getRandomProblem();
+
     @Query("SELECT p FROM Problem p WHERE p.problemType = :problemType ORDER BY RAND() LIMIT 1")
     Optional<Problem> getProblemByProblemType(ProblemType problemType);
 
diff --git a/src/main/java/com/syu/capsbe/domain/problem/application/ProblemService.java b/src/main/java/com/syu/capsbe/domain/problem/application/ProblemService.java
index e81b5fe..747767f 100644
--- a/src/main/java/com/syu/capsbe/domain/problem/application/ProblemService.java
+++ b/src/main/java/com/syu/capsbe/domain/problem/application/ProblemService.java
@@ -6,6 +6,8 @@
 
 public interface ProblemService {
 
+    ProblemResponseDto getRandomProblem();
+
     ProblemResponseDto getProblemByProblemType(String problemTypeRequest);
 
     ProblemHintResponseDto getHintByQuestion(Long problemId);
diff --git a/src/main/java/com/syu/capsbe/domain/problem/application/ProblemServiceImpl.java b/src/main/java/com/syu/capsbe/domain/problem/application/ProblemServiceImpl.java
index ab5055b..5323e42 100644
--- a/src/main/java/com/syu/capsbe/domain/problem/application/ProblemServiceImpl.java
+++ b/src/main/java/com/syu/capsbe/domain/problem/application/ProblemServiceImpl.java
@@ -21,6 +21,15 @@ public class ProblemServiceImpl implements ProblemService {
     private final ProblemRepository problemRepository;
     private final PromptService promptService;
 
+    @Override
+    public ProblemResponseDto getRandomProblem() {
+        return ProblemResponseDto.of(
+                problemRepository.getRandomProblem()
+                        .orElseThrow(
+                                () -> ProblemExistsException.of(
+                                        ProblemErrorCode.PROBLEM_IS_NOT_EXISTS)));
+    }
+
     @Override
     public ProblemResponseDto getProblemByProblemType(String problemTypeRequest) {
         return ProblemResponseDto.of(
diff --git a/src/main/java/com/syu/capsbe/domain/problem/presentation/ProblemController.java b/src/main/java/com/syu/capsbe/domain/problem/presentation/ProblemController.java
index 9be46d9..5fcff21 100644
--- a/src/main/java/com/syu/capsbe/domain/problem/presentation/ProblemController.java
+++ b/src/main/java/com/syu/capsbe/domain/problem/presentation/ProblemController.java
@@ -22,6 +22,14 @@ public class ProblemController {
 
     private final ProblemService problemService;
 
+    @GetMapping("/random")
+    @Operation(summary = "랜덤 문제 조회", description = "문제 유형을 통해 랜덤 문제를 조회합니다. 해당 요청은 문제 풀이 시마다 호출됩니다.")
+    @ApiResponse(responseCode = "200", description = "문제 조회 성공")
+    public ProblemResponseDto getRandomProblem() {
+        return problemService.getRandomProblem();
+    }
+
+
     @GetMapping("/{problemType}")
     @Operation(summary = "문제 조회", description = "문제 유형을 통해 문제를 조회합니다. 해당 요청은 문제 풀이 시마다 호출됩니다.")
     @ApiResponse(responseCode = "200", description = "문제 조회 성공")