Jpa challenge

README.md

@@ -9,3 +9,41 @@
 </div>
 </details>
 
+<details>
+<summary>week2.JPA-standard</summary>
+<div markdown="1">
+
+  ![스크린샷 2024-09-15 162049](https://github.com/user-attachments/assets/5a4c23ba-2197-4bb6-8e34-25e169a7b152)
+
+
+</div>
+</details>
+
+<details>
+<summary>week2.JPA-challenge</summary>
+<div markdown="1">
+
+ ### Member Test
+
+  ![스크린샷 2024-09-15 175143](https://github.com/user-attachments/assets/1e41e414-0290-46dd-8472-0e03f11fecb5)
+
+<br>
+
+ ### Song Test
+
+ ![스크린샷 2024-09-15 234703](https://github.com/user-attachments/assets/43b5ad0c-9570-4345-91af-d601b4d87fe3)
+
+ <br>
+
+ ### PlayList Test
+
+ ![스크린샷 2024-09-15 230558](https://github.com/user-attachments/assets/a78a5978-84f3-446c-8c04-3bb14f13fd73)
+
+<br>
+
+### PlayListSong Test
+
+![스크린샷 2024-09-15 230546](https://github.com/user-attachments/assets/470d4e9d-5b70-4f6f-9379-c5fffb8e3196)
+
+</div>
+</details>

YoungJu-Lee-Spring/build.gradle

@@ -33,6 +33,9 @@ dependencies {
 
 	// h2 연결
 	runtimeOnly 'com.h2database:h2'
+
+	// 쿼리 파라미터 확인
+	implementation 'com.github.gavlyukovskiy:p6spy-spring-boot-starter:1.9.0'
 }
 
 tasks.named('test') {

YoungJu-Lee-Spring/src/main/java/com/example/YoungJu_Lee_Spring/YoungJuLeeSpringApplication.java

@@ -2,8 +2,10 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
 @SpringBootApplication
+@EnableJpaAuditing
 public class YoungJuLeeSpringApplication {
 
 	public static void main(String[] args) {

YoungJu-Lee-Spring/src/main/java/com/example/YoungJu_Lee_Spring/domain/Album.java

@@ -0,0 +1,31 @@
+package com.example.YoungJu_Lee_Spring.domain;
+
+import jakarta.persistence.*;
+import lombok.*;
+import java.util.List;
+import java.util.ArrayList;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+@Builder
+public class Album {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "album_id")
+    private Long id;
+
+    private String title;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "artist_id")
+    private Artist artist;
+    public void setArtist(Artist artist) {
+        this.artist = artist;
+    }
+
+    @OneToMany(mappedBy = "album", cascade = CascadeType.ALL)
+    private List<Song> songs = new ArrayList<>();
+
+}

YoungJu-Lee-Spring/src/main/java/com/example/YoungJu_Lee_Spring/domain/Artist.java

@@ -0,0 +1,26 @@
+package com.example.YoungJu_Lee_Spring.domain;
+
+import jakarta.persistence.*;
+import lombok.*;
+import java.util.List;
+import java.util.ArrayList;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+@Builder
+public class Artist {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "artist_id")
+    private Long id;
+    private String name;
+
+    @OneToMany(mappedBy = "artist", cascade = CascadeType.ALL)
+    private List<Song> songs = new ArrayList<>();
+
+    @OneToMany(mappedBy = "artist", cascade = CascadeType.ALL)
+    private List<Album> albums = new ArrayList<>();
+
+}

YoungJu-Lee-Spring/src/main/java/com/example/YoungJu_Lee_Spring/domain/BaseTimeEntity.java

@@ -0,0 +1,22 @@
+package com.example.YoungJu_Lee_Spring.domain;
+
+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
+@MappedSuperclass
+@EntityListeners(AuditingEntityListener.class)
+public abstract class BaseTimeEntity {
+    @CreatedDate
+    private LocalDateTime createdAt;
+
+    @LastModifiedDate
+    private LocalDateTime updatedAt;
+}

YoungJu-Lee-Spring/src/main/java/com/example/YoungJu_Lee_Spring/domain/Genre.java

@@ -0,0 +1,17 @@
+package com.example.YoungJu_Lee_Spring.domain;
+
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+@Builder
+public class Genre {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "genre_id")
+    private Long id;
+    private String name;
+}

YoungJu-Lee-Spring/src/main/java/com/example/YoungJu_Lee_Spring/domain/GenreSong.java

@@ -0,0 +1,24 @@
+package com.example.YoungJu_Lee_Spring.domain;
+
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+@Builder
+@Table(name = "genre_song")
+public class GenreSong {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "genre_id")
+    private Genre genre;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "song_id")
+    private Song song;
+}

YoungJu-Lee-Spring/src/main/java/com/example/YoungJu_Lee_Spring/domain/Like.java

@@ -0,0 +1,25 @@
+package com.example.YoungJu_Lee_Spring.domain;
+
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+@Builder
+@Table(name = "likes")
+public class Like extends BaseTimeEntity{
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "like_id")
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "member_id")
+    private Member member;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "song_id")
+    private Song song;
+}

YoungJu-Lee-Spring/src/main/java/com/example/YoungJu_Lee_Spring/domain/Member.java

@@ -0,0 +1,30 @@
+package com.example.YoungJu_Lee_Spring.domain;
+
+import jakarta.persistence.*;
+import lombok.*;
+import java.util.List;
+import java.util.ArrayList;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+@Builder
+public class Member extends BaseTimeEntity {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "member_id")
+    private Long id;
+
+    private String name;
+
+    @Column(nullable = false, unique = true)
+    private String email;
+
+    @OneToMany(mappedBy = "member", cascade = CascadeType.ALL)
+    private List<PlayList> playlists = new ArrayList<>();
+
+    @OneToMany(mappedBy = "member", cascade = CascadeType.ALL)
+    private List<Like> likes = new ArrayList<>();
+
+}

YoungJu-Lee-Spring/src/main/java/com/example/YoungJu_Lee_Spring/domain/PlayList.java

@@ -0,0 +1,29 @@
+package com.example.YoungJu_Lee_Spring.domain;
+
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+@Builder
+public class PlayList {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "playlist_id")
+    private Long id;
+
+    private String name;
+    private String description;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "member_id")
+    private Member member;
+
+    public void setMember(Member member) {
+        this.member = member;
+    }
+
+
+}

YoungJu-Lee-Spring/src/main/java/com/example/YoungJu_Lee_Spring/domain/PlayListSong.java

@@ -0,0 +1,25 @@
+package com.example.YoungJu_Lee_Spring.domain;
+
+import jakarta.persistence.*;
+import lombok.*;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+@Builder
+public class PlayListSong extends BaseTimeEntity {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "playlist_song_id")
+    private Long id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "playlist_id")
+    private PlayList playlist;
+
+    @JoinColumn(name = "song_id")
+    @ManyToOne(fetch = FetchType.LAZY)
+    private Song song;
+
+}

YoungJu-Lee-Spring/src/main/java/com/example/YoungJu_Lee_Spring/domain/Song.java

@@ -0,0 +1,39 @@
+package com.example.YoungJu_Lee_Spring.domain;
+
+import jakarta.persistence.*;
+import lombok.*;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+@Builder
+public class Song extends BaseTimeEntity {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "song_id")
+    private Long id;
+
+    private String title;
+
+    @ManyToOne(fetch = FetchType.LAZY, cascade = CascadeType.ALL)
+    @JoinColumn(name = "artist_id")
+    private Artist artist;
+
+    public void setArtist(Artist artist) {
+        this.artist = artist;
+    }
+
+    @ManyToOne(fetch = FetchType.LAZY, cascade = CascadeType.ALL)
+    @JoinColumn(name = "album_id")
+    private Album album;
+
+    public void setAlbum(Album album) {
+        this.album = album;
+    }
+
+    @OneToMany(mappedBy = "song", cascade = CascadeType.ALL)
+    private List<Like> likes = new ArrayList<>();
+}

YoungJu-Lee-Spring/src/main/java/com/example/YoungJu_Lee_Spring/repository/AlbumRepository.java

@@ -0,0 +1,18 @@
+package com.example.YoungJu_Lee_Spring.repository;
+
+import com.example.YoungJu_Lee_Spring.domain.Album;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.PersistenceContext;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public class AlbumRepository {
+
+    @PersistenceContext
+    EntityManager em;
+
+    public String save(Album album) {
+        em.persist(album);
+        return album.getTitle();
+    }
+}

YoungJu-Lee-Spring/src/main/java/com/example/YoungJu_Lee_Spring/repository/ArtistRepository.java

@@ -0,0 +1,18 @@
+package com.example.YoungJu_Lee_Spring.repository;
+
+import com.example.YoungJu_Lee_Spring.domain.Artist;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.PersistenceContext;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public class ArtistRepository {
+
+    @PersistenceContext
+    EntityManager em;
+
+    public String save(Artist artist) {
+        em.persist(artist);
+        return artist.getName();
+    }
+}