[feat] 지하철역 리스트 조회 api 구현

Author: kbt82883

build.gradle

@@ -25,13 +25,11 @@ repositories {
 
 dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
-    implementation 'org.springframework.boot:spring-boot-starter-security'
     implementation 'org.springframework.boot:spring-boot-starter-web'
     compileOnly 'org.projectlombok:lombok'
     runtimeOnly 'com.mysql:mysql-connector-j'
     annotationProcessor 'org.projectlombok:lombok'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
-    testImplementation 'org.springframework.security:spring-security-test'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 
     //validation

src/main/java/com/sopkathon/domain/subway/controller/SubwayController.java

@@ -1,7 +1,27 @@
 package com.sopkathon.domain.subway.controller;
 
+import com.sopkathon.domain.subway.dto.SubwayListRes;
+import com.sopkathon.domain.subway.service.SubwayService;
+import com.sopkathon.global.error.code.SuccessCode;
+import com.sopkathon.global.error.dto.SuccessResponse;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController
+@RequestMapping("/api/v1")
 public class SubwayController {
+    private final SubwayService subwayService;
+
+    public SubwayController(SubwayService subwayService) {
+        this.subwayService = subwayService;
+    }
+
+    @GetMapping("/subways")
+    public ResponseEntity<SuccessResponse<SubwayListRes>> getSubwayList() {
+        SubwayListRes subwayListRes = subwayService.getSubwayList();
+
+        return ResponseEntity.ok(SuccessResponse.of(SuccessCode.SUCCESS_SUBWAY_LIST, subwayListRes));
+    }
 }

src/main/java/com/sopkathon/domain/subway/dto/SubwayListRes.java

@@ -0,0 +1,13 @@
+package com.sopkathon.domain.subway.dto;
+
+import com.sopkathon.domain.subway.entity.SubwayEntity;
+
+import java.util.List;
+
+public record SubwayListRes(
+        List<String> subways
+) {
+    public static SubwayListRes from(List<String> subways) {
+        return new SubwayListRes(subways);
+    }
+}

src/main/java/com/sopkathon/domain/subway/service/SubwayService.java

@@ -1,7 +1,28 @@
 package com.sopkathon.domain.subway.service;
 
+import com.sopkathon.domain.subway.dto.SubwayListRes;
+import com.sopkathon.domain.subway.entity.SubwayEntity;
+import com.sopkathon.domain.subway.repository.SubwayRepository;
+import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+import java.util.stream.Collectors;
 
 @Service
+@Transactional
+@RequiredArgsConstructor
 public class SubwayService {
+    private final SubwayRepository subwayRepository;
+
+    @Transactional(readOnly = true)
+    public SubwayListRes getSubwayList() {
+        List<String> list = subwayRepository.findAll()
+                .stream()
+                .map(SubwayEntity::getSubwayName)
+                .collect(Collectors.toList());
+
+        return SubwayListRes.from(list);
+    }
 }

src/main/java/com/sopkathon/global/error/code/SuccessCode.java

@@ -18,7 +18,8 @@ public enum SuccessCode {
 	SUCCESS_LOGIN(HttpStatus.OK, "로그인 성공했습니다"),
 	SUCCESS_WITHDRAW(HttpStatus.OK, "회원탈퇴에 성공했습니다"),
 	SUCCESS_REDIRECT(HttpStatus.PERMANENT_REDIRECT, "Redirect에 성공하였습니다"),
-	SUCCESS_LOGOUT(HttpStatus.OK, "로그아웃에 성공했습니다");
+	SUCCESS_LOGOUT(HttpStatus.OK, "로그아웃에 성공했습니다"),
+	SUCCESS_SUBWAY_LIST(HttpStatus.OK, "지하철역 리스트가 성공적으로 조회었습니다.");
 
 	private final HttpStatus httpStatus;
 	private final String message;