Feat: 버전 조회 api 추가

src/main/java/devkor/com/teamcback/domain/building/entity/BuildingImage.java

@@ -34,6 +34,11 @@ public class BuildingImage {
     @JoinColumn(name = "building_id")
     private Building building;
 
+    private Double leftTopLat;
+    private Double leftTopLong;
+    private Double rightBottomLat;
+    private Double rightBottomLong;
+
     public BuildingImage(Double floor, String imageUrl, Building building) {
         this.floor = floor;
         this.image = imageUrl;

src/main/java/devkor/com/teamcback/domain/notification/controller/VersionController.java

@@ -0,0 +1,36 @@
+package devkor.com.teamcback.domain.notification.controller;
+
+import devkor.com.teamcback.domain.koyeon.entity.Koyeon;
+import devkor.com.teamcback.domain.notification.service.VersionService;
+import devkor.com.teamcback.global.response.CommonResponse;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/api/notifications/version")
+public class VersionController {
+
+    private final VersionService versionService;
+
+    /***
+     * 앱 버전 조회
+     */
+    @GetMapping("")
+    @Operation(summary = "앱 버전 조회", description = "버전 다른 경우 업데이트 필요 알림")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "200", description = "정상 처리 되었습니다."),
+            @ApiResponse(responseCode = "404", description = "Not Found",
+                    content = @Content(schema = @Schema(implementation = CommonResponse.class))),
+    })
+    public CommonResponse<String> getVersion() {
+        return CommonResponse.success(versionService.getVersion());
+    }
+}

src/main/java/devkor/com/teamcback/domain/notification/entity/Version.java

@@ -0,0 +1,19 @@
+package devkor.com.teamcback.domain.notification.entity;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Getter
+@Table(name = "tb_version")
+@NoArgsConstructor
+public class Version {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(nullable = false)
+    private String version;
+}

src/main/java/devkor/com/teamcback/domain/notification/repository/VersionRepository.java

@@ -0,0 +1,7 @@
+package devkor.com.teamcback.domain.notification.repository;
+
+import devkor.com.teamcback.domain.notification.entity.Version;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface VersionRepository extends JpaRepository<Version, Long> {
+}

src/main/java/devkor/com/teamcback/domain/notification/service/VersionService.java

@@ -0,0 +1,27 @@
+package devkor.com.teamcback.domain.notification.service;
+
+import devkor.com.teamcback.domain.koyeon.entity.Koyeon;
+import devkor.com.teamcback.domain.notification.entity.Version;
+import devkor.com.teamcback.domain.notification.repository.VersionRepository;
+import devkor.com.teamcback.domain.schoolcalendar.entity.SchoolCalendar;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@RequiredArgsConstructor
+public class VersionService {
+
+    private final VersionRepository versionRepository;
+
+    /**
+     * 고연전 여부 확인
+     */
+    @Transactional(readOnly = true)
+    public String getVersion() {
+        Version version = versionRepository.findById(1L).orElse(null);
+
+        if (version == null) return "";
+        return version.getVersion();
+    }
+}