[feat] BaseTimeEntity, 성공 응답 객체 구현

src/main/java/relife/huranit/global/common/BaseTimeEntity.java

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+package relife.huranit.global.common;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.EntityListeners;
+import jakarta.persistence.MappedSuperclass;
+import lombok.Getter;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.time.LocalDateTime;
+
+@Getter
+@EntityListeners(AuditingEntityListener.class)
+@MappedSuperclass
+public abstract class BaseTimeEntity {
+    @CreatedDate
+    @Column(updatable = false)
+    private LocalDateTime createdAt;
+    @LastModifiedDate
+    private LocalDateTime updatedAt;
+}

src/main/java/relife/huranit/global/common/HealthCheckApiController.java

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+package relife.huranit.global.common;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HealthCheckApiController {
+    @RequestMapping("/")
+    public String HuranitServer() {
+        return "Hello Huranit Server!";
+    }
+
+
+    @RequestMapping("/example")
+    public ResponseEntity<SuccessResponse<?>> example() {
+        return SuccessResponse.ok("example");
+    }
+}

src/main/java/relife/huranit/global/common/SuccessCode.java

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+package relife.huranit.global.common;
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+
+@Getter
+@RequiredArgsConstructor(access = AccessLevel.PRIVATE)
+public enum SuccessCode {
+    /**
+     * 200 Ok
+     */
+    OK(HttpStatus.OK, "요청이 성공했습니다."),
+
+    /**
+     * 201 Created
+     */
+    CREATED(HttpStatus.CREATED, "요청이 성공했습니다.");
+
+    private final HttpStatus httpStatus;
+    private final String message;
+}

src/main/java/relife/huranit/global/common/SuccessResponse.java

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+package relife.huranit.global.common;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+@Builder
+@Getter
+public class SuccessResponse<T> {
+    private int status;
+    private String message;
+    private T data;
+
+    public static <T> ResponseEntity<SuccessResponse<?>> ok(T data) {
+        return ResponseEntity.status(HttpStatus.OK)
+                .body(SuccessResponse.of(SuccessCode.OK, data));
+    }
+
+    public static <T> ResponseEntity<SuccessResponse<?>> created(T data) {
+        return ResponseEntity.status(HttpStatus.CREATED)
+                .body(SuccessResponse.of(SuccessCode.CREATED, data));
+    }
+
+
+    public static <T> SuccessResponse<?> of(SuccessCode successCode, T data) {
+        return SuccessResponse.builder()
+                .status(successCode.getHttpStatus().value())
+                .message(successCode.getMessage())
+                .data(data)
+                .build();
+    }
+
+}