[Feature] 잔여 좌석 조회 API 구현

app/src/main/java/com/picketing/www/business/domain/reservation/Reservation.java

@@ -0,0 +1,47 @@
+package com.picketing.www.business.domain.reservation;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.springframework.data.annotation.Id;
+
+import com.picketing.www.business.domain.User;
+import com.picketing.www.business.domain.show.Show;
+import com.picketing.www.persistence.table.BaseEntity;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.Table;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Table(name = "RESERVATION")
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor(access = AccessLevel.PROTECTED)
+@Builder(access = AccessLevel.PROTECTED)
+@Getter(AccessLevel.PROTECTED)
+public class Reservation extends BaseEntity {
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	@ManyToOne(fetch = FetchType.LAZY)
+	@JoinColumn(name = "show_id")
+	private Show show;
+
+	@ManyToOne(fetch = FetchType.LAZY)
+	@JoinColumn(name = "user_id")
+	private User user;
+
+	@OneToMany(mappedBy = "reservation")
+	private List<ReservedSeat> reservedSeatList = new ArrayList<>();
+}

app/src/main/java/com/picketing/www/business/domain/show/seat/Seat.java → app/src/main/java/com/picketing/www/business/domain/reservation/ReservedSeat.java

@@ -1,6 +1,5 @@
-package com.picketing.www.business.domain.show.seat;
+package com.picketing.www.business.domain.reservation;
 
-import com.picketing.www.business.domain.show.Show;
 import com.picketing.www.persistence.table.BaseEntity;
 
 import jakarta.persistence.Entity;
@@ -18,20 +17,19 @@
 import lombok.NoArgsConstructor;
 
 @Entity
-@AllArgsConstructor(access = AccessLevel.PROTECTED)
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor(access = AccessLevel.PROTECTED)
 @Builder(access = AccessLevel.PROTECTED)
-@Table(name = "SEAT")
-@Getter
-public class Seat extends BaseEntity {
+@Table(name = "RESERVED_SEAT")
+@Getter(AccessLevel.PROTECTED)
+public class ReservedSeat extends BaseEntity {
 	@Id
 	@GeneratedValue(strategy = GenerationType.IDENTITY)
 	private Long id;
 
 	@ManyToOne(fetch = FetchType.LAZY)
-	@JoinColumn(name = "SHOW_ID")
-	private Show show;
+	@JoinColumn(name = "reservation_id")
+	private Reservation reservation;
 
-	// TODO 23.09.13: Time schedule id mapping. @ManyToOne
-	private Long timeScheduleId;
+	// private TimeScheduleSeatGrade timeScheduleSeatGrade;
 }

app/src/main/java/com/picketing/www/business/domain/schedule/DateSchedule.java

@@ -1,21 +1,41 @@
 package com.picketing.www.business.domain.schedule;
 
 import java.time.LocalDate;
+import java.util.ArrayList;
 import java.util.List;
 
+import com.picketing.www.persistence.table.BaseEntity;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.Table;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
 import lombok.Builder;
-import lombok.Getter;
-import lombok.Setter;
+import lombok.NoArgsConstructor;
+
+@Entity
+@AllArgsConstructor(access = AccessLevel.PROTECTED)
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Builder(access = AccessLevel.PROTECTED)
+@Table(name = "DATE_SCHEDULE")
+public class DateSchedule extends BaseEntity {
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	private LocalDate showDate; // 공연 일자
 
-@Builder
-public class DateSchedule {
-	@Getter
-	final Long id;
-	final Long showId;
-	final String name;
-	final LocalDate startDate;
-	final LocalDate endDate;
+	@ManyToOne(fetch = FetchType.LAZY)
+	@JoinColumn(name = "schedule_id")
+	private Schedule showSchedule;
 
-	@Setter
-	List<TimeSchedule> timeSchedules;
+	@OneToMany(mappedBy = "dateSchedule")
+	private List<TimeSchedule> timeSchedules = new ArrayList<>();
 }

app/src/main/java/com/picketing/www/business/domain/schedule/Schedule.java

@@ -1,14 +1,45 @@
 package com.picketing.www.business.domain.schedule;
 
+import java.util.ArrayList;
 import java.util.List;
 
+import com.picketing.www.business.domain.show.Show;
+import com.picketing.www.business.domain.show.seat.TheaterSeatGrade;
+import com.picketing.www.persistence.table.BaseEntity;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.Table;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
 import lombok.Builder;
+import lombok.NoArgsConstructor;
+
+@Builder
+@Entity
+@Table(name = "SCHEDULE")
+@AllArgsConstructor(access = AccessLevel.PROTECTED)
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class Schedule extends BaseEntity {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	@ManyToOne(fetch = FetchType.LAZY)
+	@JoinColumn(name = "show_id")
+	private Show show;
 
-public class Schedule {
-	List<DateSchedule> dateSchedules;
+	// 특정 공연장에 대한 좌석 가격 목록 (공연장이 하나이므로 항상 똑같은 목록을 가진다)
+	@OneToMany(mappedBy = "theaterSchedule")
+	private List<TheaterSeatGrade> theaterSeatGrades = new ArrayList<>(); // 공연장 (단 하나만 존재한다고 가정) + 좌석 정보
 
-	@Builder
-	public Schedule(List<DateSchedule> dateSchedules) {
-		this.dateSchedules = dateSchedules;
-	}
+	@OneToMany(mappedBy = "showSchedule")
+	private List<DateSchedule> dateSchedules = new ArrayList<>(); // 날짜 스케줄
 }

app/src/main/java/com/picketing/www/business/domain/schedule/TimeSchedule.java

@@ -1,22 +1,42 @@
 package com.picketing.www.business.domain.schedule;
 
 import java.time.LocalTime;
+import java.util.ArrayList;
+import java.util.List;
 
+import com.picketing.www.persistence.table.BaseEntity;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.Table;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
 import lombok.Builder;
+import lombok.NoArgsConstructor;
+
+@Entity
+@AllArgsConstructor(access = AccessLevel.PROTECTED)
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Builder(access = AccessLevel.PROTECTED)
+@Table(name = "TIME_SCHEDULE")
+public class TimeSchedule extends BaseEntity {
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	@ManyToOne(fetch = FetchType.LAZY)
+	@JoinColumn(name = "date_schedule_id")
+	private DateSchedule dateSchedule;
+
+	private LocalTime startTime;
+
+	@OneToMany(mappedBy = "timeSchedule")
+	private List<TimeScheduleSeatGrade> timeScheduleSeatGradeList = new ArrayList<>();
 
-public class TimeSchedule {
-	final Long id;
-	final Long dateScheduleId;
-	final String name;
-	final LocalTime startTime;
-	final LocalTime endTime;
-
-	@Builder
-	public TimeSchedule(Long id, Long dateScheduleId, String name, LocalTime startTime, LocalTime endTime) {
-		this.id = id;
-		this.dateScheduleId = dateScheduleId;
-		this.name = name;
-		this.startTime = startTime;
-		this.endTime = endTime;
-	}
 }

app/src/main/java/com/picketing/www/business/domain/schedule/TimeScheduleSeatGrade.java

@@ -0,0 +1,36 @@
+package com.picketing.www.business.domain.schedule;
+
+import com.picketing.www.business.domain.show.seat.SeatGrade;
+import com.picketing.www.persistence.table.BaseEntity;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.EnumType;
+import jakarta.persistence.Enumerated;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Table(name = "TIME_SCHEDULE_SEAT_GRADE")
+@AllArgsConstructor(access = AccessLevel.PROTECTED)
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class TimeScheduleSeatGrade extends BaseEntity {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	private Long id;
+
+	@ManyToOne(fetch = FetchType.LAZY)
+	@JoinColumn(name = "time_schedule_id")
+	private TimeSchedule timeSchedule;
+
+	@Enumerated(EnumType.STRING)
+	private SeatGrade seatGrade; // 현재 좌석 등급 및 가격이 모두 고정이므로, 같은 SeatGrade Enum 객체를 사용
+}

app/src/main/java/com/picketing/www/business/domain/show/Show.java

@@ -1,9 +1,7 @@
 package com.picketing.www.business.domain.show;
 
 import java.time.LocalDate;
-import java.util.List;
 
-import com.picketing.www.business.domain.show.seat.Seat;
 import com.picketing.www.business.type.AgeGroup;
 import com.picketing.www.business.type.Genre;
 import com.picketing.www.business.type.SubGenre;
@@ -15,7 +13,6 @@
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
-import jakarta.persistence.OneToMany;
 import jakarta.persistence.Table;
 import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
@@ -54,7 +51,4 @@ public class Show extends BaseEntity {
 	private String details;
 	private boolean isBookable;
 	private Long ownerId;
-
-	@OneToMany(mappedBy = "show")
-	private List<Seat> seatList;
 }

app/src/main/java/com/picketing/www/business/domain/show/seat/SeatFactory.java

@@ -1,16 +1,16 @@
-package com.picketing.www.business.domain.show.seat;
-
-import org.springframework.stereotype.Component;
-
-import com.picketing.www.presentation.dto.request.seat.SaveSeatRequest;
-
-@Component
-public class SeatFactory {
-
-	public Seat createSeat(SaveSeatRequest saveSeatRequest) {
-		return Seat.builder()
-			.show(saveSeatRequest.show())
-			.timeScheduleId(saveSeatRequest.timeScheduleId())
-			.build();
-	}
-}
+// package com.picketing.www.business.domain.show.seat;
+//
+// import org.springframework.stereotype.Component;
+//
+// import com.picketing.www.presentation.dto.request.seat.SaveSeatRequest;
+//
+// @Component
+// public class SeatFactory {
+//
+// 	public Seat createSeat(SaveSeatRequest saveSeatRequest) {
+// 		return Seat.builder()
+// 			.show(saveSeatRequest.show())
+// 			.timeScheduleId(saveSeatRequest.timeScheduleId())
+// 			.build();
+// 	}
+// }

app/src/main/java/com/picketing/www/business/domain/show/seat/SeatGrade.java

@@ -1,36 +1,21 @@
 package com.picketing.www.business.domain.show.seat;
 
-import java.math.BigDecimal;
-
-import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
-import jakarta.persistence.JoinColumn;
-import jakarta.persistence.ManyToOne;
-import jakarta.persistence.Table;
-import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
-import lombok.Builder;
 import lombok.Getter;
-import lombok.NoArgsConstructor;
 
-@Entity
-@NoArgsConstructor(access = AccessLevel.PROTECTED)
-@AllArgsConstructor(access = AccessLevel.PROTECTED)
-@Builder(access = AccessLevel.PROTECTED)
-@Getter(AccessLevel.PROTECTED)
-@Table(name = "SEAT_GRADE")
-public class SeatGrade {
+@Getter
+@AllArgsConstructor
+public enum SeatGrade {
+
+	VIP("VIP석", 165000L, 2000),
+	SR("SR석", 154000L, 1000),
+	R("R석", 143000L, 800),
+	S("S석", 121000L, 500),
+	A("A석", 100000L, 300);
 
-	@Id
-	@GeneratedValue(strategy = GenerationType.IDENTITY)
-	private Long id;
-	private String name;
+	private final String name; // 공연장의 좌석 명칭
 
-	@ManyToOne
-	@JoinColumn(name = "SEAT_ID")
-	private Seat seat;
+	private final Long price; // 공연장의 좌석 가격 (원래는 공연마다 가격이 달라지므로, 이 엔티티 필드가 아니지만, 현재는 공연 좌석이 고정되어 있으므로 price를 공연 좌석에 둡니다)
 
-	private BigDecimal price;
+	private final int count; // 공연장의 좌석 개수
 }