Johan branch

.gitignore

@@ -1,2 +1,56 @@
+# Maven
 target/
-/.idea/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+
+# IntelliJ IDEA
+.idea/
+*.iml
+*.iws
+*.ipr
+out/
+
+# VS Code
+.vscode/
+
+# OS
+.DS_Store
+Thumbs.db
+desktop.ini
+
+# Logs
+*.log
+logs/
+
+# Database files
+*.db
+*.mv.db
+*.trace.db
+
+# Docker override
+docker-compose.override.yml
+
+# Environment files
+.env
+.env.local
+.env.*.local
+
+# Configuration files - VIKTIGAST!
+src/main/resources/META-INF/persistence.xml
+src/main/resources/application.properties
+src/main/resources/application.yml
+src/main/resources/application.yaml
+
+# Temp files
+*.tmp
+*.temp
+*.bak
+*.swp
+*~

Dockerfile

@@ -0,0 +1,9 @@
+FROM maven:3.8-openjdk-17 AS builder
+WORKDIR /app
+COPY pom.xml .
+COPY src ./src
+RUN mvn clean package -DskipTests
+
+FROM openjdk:17-jdk-slim
+COPY --from=builder /app/target/*.jar app.jar
+ENTRYPOINT ["java", "-jar", "app.jar"]

docker-compose.yml

@@ -0,0 +1,36 @@
+version: '3.8'
+
+services:
+  mysql-db:
+    image: mysql:8.0
+    container_name: music-mysql
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: rootpassword
+      MYSQL_DATABASE: musicdb
+      MYSQL_USER: music_app
+      MYSQL_PASSWORD: music_app_pass
+    ports:
+      - "3306:3306"
+    volumes:
+      - mysql-data:/var/lib/mysql
+    command:
+      - --default-authentication-plugin=mysql_native_password
+      - --character-set-server=utf8mb4
+      - --collation-server=utf8mb4_unicode_ci
+
+  phpmyadmin:
+    image: phpmyadmin/phpmyadmin
+    container_name: music-phpmyadmin
+    restart: always
+    environment:
+      PMA_HOST: mysql-db
+      PMA_PORT: 3306
+    ports:
+      - "8080:80"
+    depends_on:
+      - mysql-db
+
+volumes:
+  mysql-data:
+    driver: local

musicdb.trace.db

@@ -0,0 +1,9 @@
+2025-12-16 15:54:24.333089+01:00 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLSyntaxErrorException: Syntax error in SQL statement "create table Album (id bigint generated by default as identity, title varchar(255), [*]year integer not null, artist_id bigint, primary key (id))"; expected "identifier"; SQL statement:
+create table Album (id bigint generated by default as identity, title varchar(255), year integer not null, artist_id bigint, primary key (id)) [42001-224]
+2025-12-16 15:54:24.344107+01:00 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLSyntaxErrorException: Table "ALBUM" not found; SQL statement:
+alter table Album add constraint FKeornxb63o72l560qifpvd6ty foreign key (artist_id) references Artist [42102-224]
+2025-12-16 15:54:24.345111+01:00 jdbc[3]: exception
+org.h2.jdbc.JdbcSQLSyntaxErrorException: Table "ALBUM" not found; SQL statement:
+alter table Song add constraint FK5i04cpyv4w83t78ui446eelht foreign key (album_id) references Album [42102-224]

mysql-init.sql

@@ -0,0 +1,7 @@
+CREATE DATABASE IF NOT EXISTS musicdb;
+USE musicdb;
+
+
+CREATE USER IF NOT EXISTS 'musicuser'@'%' IDENTIFIED BY 'musicpass';
+GRANT ALL PRIVILEGES ON musicdb.* TO 'musicuser'@'%';
+FLUSH PRIVILEGES;

persistence.xml.example

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<persistence version="2.2" xmlns="http://xmlns.jcp.org/xml/ns/persistence">
+    <persistence-unit name="musicPU" transaction-type="RESOURCE_LOCAL">
+        <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
+
+        <class>org.example.model.Artist</class>
+        <class>org.example.model.Album</class>
+        <class>org.example.model.Song</class>
+        <class>org.example.model.Playlist</class>
+        <class>org.example.model.PlaylistSong</class>
+
+        <properties>
+            <property name="javax.persistence.jdbc.driver" value="com.mysql.cj.jdbc.Driver"/>
+            <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/musicdb"/>
+            <property name="javax.persistence.jdbc.user" value="music_app"/>
+            <property name="javax.persistence.jdbc.password" value="music_app_pass"/>
+
+            <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL8Dialect"/>
+            <property name="hibernate.hbm2ddl.auto" value="update"/>
+            <property name="hibernate.show_sql" value="true"/>
+            <property name="hibernate.format_sql" value="true"/>
+        </properties>
+    </persistence-unit>
+</persistence>

pom.xml

@@ -1,54 +1,36 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
+         http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-
     <groupId>org.example</groupId>
     <artifactId>JavaJPA</artifactId>
     <version>1.0-SNAPSHOT</version>
 
     <properties>
-        <maven.compiler.release>25</maven.compiler.release>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <junit.jupiter.version>6.0.1</junit.jupiter.version>
-        <assertj.core.version>3.27.6</assertj.core.version>
-        <mockito.version>5.21.0</mockito.version>
+        <hibernate.version>5.6.15.Final</hibernate.version>
+        <mysql.version>8.0.33</mysql.version>
     </properties>
+
     <dependencies>
         <dependency>
-            <groupId>org.junit.jupiter</groupId>
-            <artifactId>junit-jupiter</artifactId>
-            <version>${junit.jupiter.version}</version>
-            <scope>test</scope>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-core</artifactId>
+            <version>${hibernate.version}</version>
         </dependency>
         <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj.core.version}</version>
-            <scope>test</scope>
+            <groupId>javax.persistence</groupId>
+            <artifactId>javax.persistence-api</artifactId>
+            <version>2.2</version>
         </dependency>
         <dependency>
-            <groupId>org.mockito</groupId>
-            <artifactId>mockito-junit-jupiter</artifactId>
-            <version>${mockito.version}</version>
-            <scope>test</scope>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>${mysql.version}</version>
         </dependency>
-    <dependency>
-        <groupId>org.hibernate.orm</groupId>
-        <artifactId>hibernate-core</artifactId>
-        <version>7.2.0.Final</version>
-    </dependency>
-    <dependency>
-        <groupId>com.mysql</groupId>
-        <artifactId>mysql-connector-j</artifactId>
-        <version>9.5.0</version>
-        <scope>runtime</scope>
-    </dependency>
-    <dependency>
-        <groupId>io.github.classgraph</groupId>
-        <artifactId>classgraph</artifactId>
-        <version>4.8.184</version>
-    </dependency>
     </dependencies>
 </project>

src/main/java/org/example/Main.java

@@ -0,0 +1,50 @@
+package org.example;
+
+import persistence.repository.ArtistRepository;
+import persistence.repository.AlbumRepository;
+import persistence.repository.SongRepository;
+import persistence.repository.PlaylistRepository;
+import org.example.ui.MenuManager;
+import javax.persistence.*;
+import java.util.Scanner;
+
+public class Main {
+    public static void main(String[] args) {
+        System.out.println("🎵 Startar Musikappen...");
+
+        try {
+            // Skapa EntityManagerFactory
+            EntityManagerFactory emf = Persistence.createEntityManagerFactory("musicPU");
+            System.out.println("✅ Ansluten till databasen");
+
+            // Skapa EntityManager
+            EntityManager em = emf.createEntityManager();
+
+            // Skapa Scanner för användarinput
+            Scanner scanner = new Scanner(System.in);
+
+            // Skapa alla repositories
+            System.out.println("🔄 Skapar repositories...");
+            ArtistRepository artistRepo = new ArtistRepository(em);
+            AlbumRepository albumRepo = new AlbumRepository(em);
+            SongRepository songRepo = new SongRepository(em);
+            PlaylistRepository playlistRepo = new PlaylistRepository(em);
+
+            // Skapa MenuManager och starta huvudmenyn
+            MenuManager menuManager = new MenuManager(scanner, artistRepo, albumRepo, songRepo, playlistRepo);
+
+            // Starta applikationen
+            menuManager.start();
+
+            // Stäng alla resurser
+            System.out.println("👋 Stänger applikationen...");
+            scanner.close();
+            em.close();
+            emf.close();
+
+        } catch (Exception e) {
+            System.err.println("❌ Ett fel uppstod vid start: " + e.getMessage());
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/org/example/model/Album.java

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+package org.example.model;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Table(name = "album")
+public class Album {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    private String title;
+
+    @Column(name = "release_year")
+    private int releaseYear;
+
+    @ManyToOne
+    @JoinColumn(name = "artist_id")
+    private Artist artist;
+
+    @OneToMany(mappedBy = "album", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<Song> songs = new ArrayList<>();
+
+    // Konstruktorer
+    public Album() {
+    }
+
+    public Album(String title, int releaseYear) {
+        this.title = title;
+        this.releaseYear = releaseYear;
+    }
+
+    public Album(String title, int releaseYear, Artist artist) {
+        this.title = title;
+        this.releaseYear = releaseYear;
+        this.artist = artist;
+    }
+
+    // Getters och Setters
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public int getReleaseYear() {
+        return releaseYear;
+    }
+
+    public void setReleaseYear(int releaseYear) {
+        this.releaseYear = releaseYear;
+    }
+
+    public Artist getArtist() {
+        return artist;
+    }
+
+    public void setArtist(Artist artist) {
+        this.artist = artist;
+    }
+
+    public List<Song> getSongs() {
+        return songs;
+    }
+
+    public void setSongs(List<Song> songs) {
+        this.songs = songs;
+    }
+
+    // Hjälpmetod för att lägga till låt
+    public void addSong(Song song) {
+        songs.add(song);
+        song.setAlbum(this);
+    }
+
+    // Hjälpmetod för att ta bort låt
+    public void removeSong(Song song) {
+        songs.remove(song);
+        song.setAlbum(null);
+    }
+
+    @Override
+    public String toString() {
+        return "Album{" +
+            "id=" + id +
+            ", title='" + title + '\'' +
+            ", releaseYear=" + releaseYear +
+            ", artist=" + (artist != null ? artist.getName() : "null") +
+            ", songs=" + songs.size() +
+            '}';
+    }
+}