[fedragon] Chapter 4. JPA 기초 및 프로젝트 구조

src/main/java/com/example/umc9th/Umc9thApplication.java

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+package com.example.umc9th;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
+
+@SpringBootApplication
+@EnableJpaAuditing // 👈 이 어노테이션을 꼭 추가해주세요!
+public class Umc9thApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(Umc9thApplication.class, args);
+    }
+}

src/main/java/com/example/umc9th/domain/common/BaseEntity.java

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+package com.example.umc9th.domain.common;
+
+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;
+
+@MappedSuperclass
+@EntityListeners(AuditingEntityListener.class)
+@Getter
+public abstract class BaseEntity {
+    @CreatedDate
+    private LocalDateTime createdAt;
+
+    @LastModifiedDate
+    private LocalDateTime updatedAt;
+}

src/main/java/com/example/umc9th/domain/food/entity/Food.java

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+package com.example.umc9th.domain.food.entity;
+
+import com.example.umc9th.domain.common.BaseEntity;
+import com.example.umc9th.domain.food.enums.FoodName;
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class Food extends BaseEntity {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Enumerated(EnumType.STRING)
+    @Column(columnDefinition = "VARCHAR(20)")
+    private FoodName name;
+}

src/main/java/com/example/umc9th/domain/food/enums/FoodName.java

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+package com.example.umc9th.domain.food.enums;
+
+public enum FoodName {
+    KOREAN_FOOD, CHINESE_FOOD, JAPANESE_FOOD, WESTERN_FOOD, BUNSIK, CAFE_DESSERT
+}

src/main/java/com/example/umc9th/domain/location/entity/Location.java

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+package com.example.umc9th.domain.location.entity;
+
+import com.example.umc9th.domain.common.BaseEntity;
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class Location extends BaseEntity {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(nullable = false, length = 50)
+    private String name;
+}

src/main/java/com/example/umc9th/domain/mission/entity/Mission.java

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+package com.example.umc9th.domain.mission.entity;
+
+import com.example.umc9th.domain.common.BaseEntity;
+import com.example.umc9th.domain.store.entity.Store;
+import jakarta.persistence.*;
+import lombok.*;
+
+import java.time.LocalDate;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class Mission extends BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private LocalDate deadline;
+
+    @Column(length = 200)
+    private String conditional;
+
+    private Integer point;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "store_id")
+    private Store store;
+}

src/main/java/com/example/umc9th/domain/review/entity/Review.java

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+package com.example.umc9th.domain.review.entity;
+
+import com.example.umc9th.domain.common.BaseEntity;
+import com.example.umc9th.domain.store.entity.Store;
+import com.example.umc9th.domain.user.entity.User;
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class Review extends BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(columnDefinition = "TEXT")
+    private String content;
+
+    private Float star;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id")
+    private User user;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "store_id")
+    private Store store;
+}

src/main/java/com/example/umc9th/domain/store/entity/Store.java

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+package com.example.umc9th.domain.store.entity;
+
+import com.example.umc9th.domain.common.BaseEntity;
+import com.example.umc9th.domain.location.entity.Location;
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class Store extends BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(nullable = false, length = 50)
+    private String name;
+
+    @Column(name = "zip_code", length = 10)
+    private String zipCode;
+
+    @Column(name = "detail_address", length = 100)
+    private String detailAddress;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "location_id")
+    private Location location;
+}

src/main/java/com/example/umc9th/domain/term/entity/Term.java

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+package com.example.umc9th.domain.term.entity;
+
+import com.example.umc9th.domain.common.BaseEntity;
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class Term extends BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(nullable = false, length = 100)
+    private String name;
+}

src/main/java/com/example/umc9th/domain/user/entity/User.java

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+package com.example.umc9th.domain.user.entity;
+
+import com.example.umc9th.domain.common.BaseEntity;
+import com.example.umc9th.domain.user.enums.Gender;
+import jakarta.persistence.*;
+import lombok.*;
+import java.time.LocalDate;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class User extends BaseEntity {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(nullable = false, length = 20)
+    private String name;
+
+    @Enumerated(EnumType.STRING)
+    @Column(columnDefinition = "VARCHAR(10)")
+    private Gender gender;
+
+    @Column(length = 40)
+    private String address;
+
+    private LocalDate birth;
+
+    @Column(length = 50)
+    private String email;
+
+    @Column(name = "phone_number", length = 20)
+    private String phoneNumber;
+
+    private LocalDate deletedAt;
+}

src/main/java/com/example/umc9th/domain/user/enums/Gender.java

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+package com.example.umc9th.domain.user.enums;
+
+public enum Gender {
+    MALE, FEMALE
+}

src/main/java/com/example/umc9th/domain/user_food/entity/UserFood.java

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+package com.example.umc9th.domain.user_food.entity;
+
+import com.example.umc9th.domain.common.BaseEntity;
+import com.example.umc9th.domain.food.entity.Food;
+import com.example.umc9th.domain.user.entity.User;
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class UserFood extends BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id")
+    private User user;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "food_id")
+    private Food food;
+}

src/main/java/com/example/umc9th/domain/user_mission/entity/UserMission.java

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+package com.example.umc9th.domain.user_mission.entity;
+
+import com.example.umc9th.domain.common.BaseEntity;
+import com.example.umc9th.domain.mission.entity.Mission;
+import com.example.umc9th.domain.user.entity.User;
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class UserMission extends BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private Boolean complete;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id")
+    private User user;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "mission_id")
+    private Mission mission;
+}

src/main/java/com/example/umc9th/domain/user_term/entity/UserTerm.java

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+package com.example.umc9th.domain.user_term.entity;
+
+import com.example.umc9th.domain.common.BaseEntity;
+import com.example.umc9th.domain.term.entity.Term;
+import com.example.umc9th.domain.user.entity.User;
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@Builder
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class UserTerm extends BaseEntity {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id")
+    private User user;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "term_id")
+    private Term term;
+}

src/main/resources/application.yml

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+spring:
+  # === ?????? ?? ?? ===
+  datasource:
+    driver-class-name: com.mysql.cj.jdbc.Driver
+    # 'umc9th2' ??????? ?????. MySQL Workbench?? ?? ??????!
+    url: jdbc:mysql://localhost:3306/umc9th2?serverTimezone=Asia/Seoul&useSSL=false
+    username: root
+    password: ssms101504@ # ? ??? ?? ????? ?????!
+
+  # === JPA(?????? ??? ??) ?? ===
+  jpa:
+    hibernate:
+      # ? ?? ??? ?? ??? ?? DB ???? ???? ??????.
+      ddl-auto: create
+    properties:
+      hibernate:
+        # ???? SQL ??? ??? ? ? ?? ??? ?????.
+        show_sql: true
+        format_sql: true

src/test/java/com/example/umc9th/Umc9thApplicationTests.java

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+package com.example.umc9th;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class Umc9thApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}