refactor: #8 TimeSlot enum으로 변경 및 @transactional 추가

- TimeSlot을 Enum type으로 변경
- update에서 @transactional 추가

server/src/main/java/com/talkka/server/review/dao/BusReviewEntity.java

@@ -9,9 +9,11 @@
 
 import com.talkka.server.bus.dao.BusRouteEntity;
 import com.talkka.server.bus.dao.BusRouteStationEntity;
+import com.talkka.server.review.enums.TimeSlot;
 import com.talkka.server.user.dao.UserEntity;
 
 import jakarta.persistence.Column;
+import jakarta.persistence.Convert;
 import jakarta.persistence.Entity;
 import jakarta.persistence.EntityListeners;
 import jakarta.persistence.GeneratedValue;
@@ -55,7 +57,8 @@ public class BusReviewEntity {
 	private String content;
 
 	@Column(name = "time_slot", nullable = false)
-	private Integer timeSlot;
+	@Convert(converter = TimeSlot.class)
+	private TimeSlot timeSlot;
 
 	@Column(name = "rating", nullable = false)
 	private Integer rating;
@@ -83,7 +86,7 @@ public int hashCode() {
 		return Objects.hashCode(busReviewId);
 	}
 
-	public void updateReview(String content, Integer timeSlot, Integer rating) {
+	public void updateReview(String content, TimeSlot timeSlot, Integer rating) {
 		this.content = content;
 		this.timeSlot = timeSlot;
 		this.rating = rating;

server/src/main/java/com/talkka/server/review/dto/BusReviewReqDto.java

@@ -3,6 +3,7 @@
 import com.talkka.server.bus.dao.BusRouteEntity;
 import com.talkka.server.bus.dao.BusRouteStationEntity;
 import com.talkka.server.review.dao.BusReviewEntity;
+import com.talkka.server.review.enums.TimeSlot;
 import com.talkka.server.user.dao.UserEntity;
 
 import jakarta.validation.constraints.Max;
@@ -35,16 +36,16 @@ public class BusReviewReqDto {
 	private String content;
 
 	@NotNull
-	@Min(value = 0, message = "형식에 맞지 않은 timeSlot 입니다.")
-	@Max(value = 47, message = "형식에 맞지 않은 timeSlot 입니다.")
-	private Integer timeSlot;
+	@Size(min = 1, max = 2, message = "형식에 맞지 않은 timeSlot 입니다.")
+	private String timeSlot;
 
 	@NotNull
 	@Min(value = 1, message = "형식에 맞지 않는 rating 입니다.")
 	@Max(value = 10, message = "형식에 맞지 않는 rating 입니다.")
 	private Integer rating;
 
 	public BusReviewEntity toEntity(UserEntity user, BusRouteStationEntity station, BusRouteEntity route) {
-		return new BusReviewEntity(null, user, station, route, content, timeSlot, rating, null, null);
+		return new BusReviewEntity(null, user, station, route, content, TimeSlot.valueOf(timeSlot),
+			rating, null, null);
 	}
 }

server/src/main/java/com/talkka/server/review/dto/BusReviewRespDto.java

@@ -22,7 +22,7 @@ public class BusReviewRespDto {
 	private Long routeId;
 	private Long busRouteStationId;
 	private String content;
-	private Integer timeSlot;
+	private String timeSlot;
 	private Integer rating;
 
 	public static BusReviewRespDto of(BusReviewEntity busEntity) {
@@ -31,7 +31,7 @@ public static BusReviewRespDto of(BusReviewEntity busEntity) {
 			busEntity.getRoute().getRouteId(),
 			busEntity.getStation().getBusRouteStationId(),
 			busEntity.getContent(),
-			busEntity.getTimeSlot(),
+			busEntity.getTimeSlot().getCode(),
 			busEntity.getRating());
 	}
 }

server/src/main/java/com/talkka/server/review/enums/TimeSlot.java

@@ -0,0 +1,65 @@
+package com.talkka.server.review.enums;
+
+import com.talkka.server.common.util.EnumCodeInterface;
+
+import lombok.Getter;
+
+@Getter
+public enum TimeSlot implements EnumCodeInterface {
+	T_00_00("00:00", "0"),
+	T_00_30("00:30", "1"),
+	T_01_00("01:00", "2"),
+	T_01_30("01:30", "3"),
+	T_02_00("02:00", "4"),
+	T_02_30("02:30", "5"),
+	T_03_00("03:00", "6"),
+	T_03_30("03:30", "7"),
+	T_04_00("04:00", "8"),
+	T_04_30("04:30", "9"),
+	T_05_00("05:00", "10"),
+	T_05_30("05:30", "11"),
+	T_06_00("06:00", "12"),
+	T_06_30("06:30", "13"),
+	T_07_00("07:00", "14"),
+	T_07_30("07:30", "15"),
+	T_08_00("08:00", "16"),
+	T_08_30("08:30", "17"),
+	T_09_00("09:00", "18"),
+	T_09_30("09:30", "19"),
+	T_10_00("10:00", "20"),
+	T_10_30("10:30", "21"),
+	T_11_00("11:00", "22"),
+	T_11_30("11:30", "23"),
+	T_12_00("12:00", "24"),
+	T_12_30("12:30", "25"),
+	T_13_00("13:00", "26"),
+	T_13_30("13:30", "27"),
+	T_14_00("14:00", "28"),
+	T_14_30("14:30", "29"),
+	T_15_00("15:00", "30"),
+	T_15_30("15:30", "31"),
+	T_16_00("16:00", "32"),
+	T_16_30("16:30", "33"),
+	T_17_00("17:00", "34"),
+	T_17_30("17:30", "35"),
+	T_18_00("18:00", "36"),
+	T_18_30("18:30", "37"),
+	T_19_00("19:00", "38"),
+	T_19_30("19:30", "39"),
+	T_20_00("20:00", "40"),
+	T_20_30("20:30", "41"),
+	T_21_00("21:00", "42"),
+	T_21_30("21:30", "43"),
+	T_22_00("22:00", "44"),
+	T_22_30("22:30", "45"),
+	T_23_00("23:00", "46"),
+	T_23_30("23:30", "47");
+
+	private final String timsSlot;
+	private final String code;
+
+	TimeSlot(String timsSlot, String code) {
+		this.timsSlot = timsSlot;
+		this.code = code;
+	}
+}

server/src/main/java/com/talkka/server/review/service/BusReviewService.java

@@ -3,6 +3,7 @@
 import java.util.List;
 
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import com.talkka.server.bus.dao.BusRouteEntity;
 import com.talkka.server.bus.dao.BusRouteRepository;
@@ -14,6 +15,7 @@
 import com.talkka.server.review.dao.BusReviewRepository;
 import com.talkka.server.review.dto.BusReviewReqDto;
 import com.talkka.server.review.dto.BusReviewRespDto;
+import com.talkka.server.review.enums.TimeSlot;
 import com.talkka.server.user.dao.UserEntity;
 import com.talkka.server.user.dao.UserRepository;
 
@@ -56,6 +58,7 @@ public BusReviewRespDto createBusReview(Long userId, BusReviewReqDto busReviewRe
 		return BusReviewRespDto.of(savedReview);
 	}
 
+	@Transactional
 	public BusReviewRespDto updateBusReview(Long userId, Long busReviewId, BusReviewReqDto busReviewReqDto) {
 		BusReviewEntity review = busReviewRepository.findById(busReviewId)
 			.orElseThrow(() -> new NotFoundException("존재하지 않는 리뷰입니다."));
@@ -64,9 +67,10 @@ public BusReviewRespDto updateBusReview(Long userId, Long busReviewId, BusReview
 			throw new ForbiddenException("작성자와 일치하지 않는 ID입니다.");
 		}
 
-		review.updateReview(busReviewReqDto.getContent(), busReviewReqDto.getRating(), busReviewReqDto.getTimeSlot());
-		BusReviewEntity updatedReview = busReviewRepository.save(review);
-		return BusReviewRespDto.of(updatedReview);
+		review.updateReview(busReviewReqDto.getContent(), TimeSlot.valueOf(busReviewReqDto.getTimeSlot()),
+			busReviewReqDto.getRating());
+
+		return BusReviewRespDto.of(review);
 	}
 
 	public Long deleteBusReview(Long userId, Long busReviewId) {

server/src/main/java/com/talkka/server/review/util/TimeSlotConverter.java

@@ -0,0 +1,11 @@
+package com.talkka.server.review.util;
+
+import com.talkka.server.common.util.EnumCodeConverter;
+import com.talkka.server.review.enums.TimeSlot;
+
+public class TimeSlotConverter extends EnumCodeConverter<TimeSlot> {
+
+	public TimeSlotConverter() {
+		super(TimeSlot.class);
+	}
+}