Merge 61c5124d27 into 86da601ad6

Fix broken removeGenre implementation in Album entity

src/main/java/com/mediamanager/mapper/AlbumHasArtistMapper.java

@@ -0,0 +1,47 @@
+package com.mediamanager.mapper;
+
+import com.mediamanager.model.AlbumHasArtist;
+import com.mediamanager.protocol.messages.AlbumHasArtistMessages;
+
+public class AlbumHasArtistMapper {
+    public static AlbumHasArtistMessages.AlbumHasArtist toProtobuf(AlbumHasArtist entity) {
+        if (entity == null) {
+            return null;
+        }
+
+        AlbumHasArtistMessages.AlbumHasArtist.Builder builder = AlbumHasArtistMessages.AlbumHasArtist.newBuilder();
+
+        Integer id = entity.getId();
+        if (id != null) {
+            builder.setId(id);
+        }
+
+        // Map Album foreign key
+        if (entity.getAlbum() != null && entity.getAlbum().getId() != null) {
+            builder.setFkAlbumId(entity.getAlbum().getId());
+        }
+
+        // Map Artist foreign key
+        if (entity.getArtist() != null && entity.getArtist().getId() != null) {
+            builder.setFkArtistId(entity.getArtist().getId());
+        }
+
+        return builder.build();
+    }
+
+    public static AlbumHasArtist toEntity(AlbumHasArtistMessages.AlbumHasArtist protobuf) {
+        if (protobuf == null) {
+            return null;
+        }
+
+        AlbumHasArtist entity = new AlbumHasArtist();
+
+        if (protobuf.getId() > 0) {
+            entity.setId(protobuf.getId());
+        }
+
+        // Note: Foreign key relationships (Album, Artist) are handled in the service layer
+
+        return entity;
+    }
+}

src/main/java/com/mediamanager/mapper/AlbumHasGenreMapper.java

@@ -0,0 +1,47 @@
+package com.mediamanager.mapper;
+
+import com.mediamanager.model.AlbumHasGenre;
+import com.mediamanager.protocol.messages.AlbumHasGenreMessages;
+
+public class AlbumHasGenreMapper {
+    public static AlbumHasGenreMessages.AlbumHasGenre toProtobuf(AlbumHasGenre entity) {
+        if (entity == null) {
+            return null;
+        }
+
+        AlbumHasGenreMessages.AlbumHasGenre.Builder builder = AlbumHasGenreMessages.AlbumHasGenre.newBuilder();
+
+        Integer id = entity.getId();
+        if (id != null) {
+            builder.setId(id);
+        }
+
+        // Map Album foreign key
+        if (entity.getAlbum() != null && entity.getAlbum().getId() != null) {
+            builder.setFkAlbumId(entity.getAlbum().getId());
+        }
+
+        // Map Genre foreign key
+        if (entity.getGenre() != null && entity.getGenre().getId() != null) {
+            builder.setFkGenreId(entity.getGenre().getId());
+        }
+
+        return builder.build();
+    }
+
+    public static AlbumHasGenre toEntity(AlbumHasGenreMessages.AlbumHasGenre protobuf) {
+        if (protobuf == null) {
+            return null;
+        }
+
+        AlbumHasGenre entity = new AlbumHasGenre();
+
+        if (protobuf.getId() > 0) {
+            entity.setId(protobuf.getId());
+        }
+
+        // Note: Foreign key relationships (Album, Genre) are handled in the service layer
+
+        return entity;
+    }
+}

src/main/java/com/mediamanager/mapper/AlbumMapper.java

@@ -0,0 +1,110 @@
+package com.mediamanager.mapper;
+
+import com.mediamanager.model.Album;
+import com.mediamanager.protocol.messages.AlbumMessages;
+
+import java.time.Instant;
+import java.time.ZoneId;
+
+public class AlbumMapper {
+    public static AlbumMessages.Album toProtobuf(Album entity) {
+        if (entity == null) {
+            return null;
+        }
+
+        String name = entity.getName();
+        if (name == null || name.isEmpty()) {
+            throw new IllegalArgumentException("Name cannot be null or empty");
+        }
+
+        AlbumMessages.Album.Builder builder = AlbumMessages.Album.newBuilder()
+                .setName(name);
+
+        Integer id = entity.getId();
+        if (id != null) {
+            builder.setId(id);
+        }
+
+        Integer year = entity.getYear();
+        if (year != null) {
+            builder.setYear(year);
+        }
+
+        Integer numberOfDiscs = entity.getNumberOfDiscs();
+        if (numberOfDiscs != null) {
+            builder.setNumberOfDiscs(numberOfDiscs);
+        }
+
+        String code = entity.getCode();
+        if (code != null) {
+            builder.setCode(code);
+        }
+
+        Boolean isCompilation = entity.getIsCompilation();
+        if (isCompilation != null) {
+            builder.setIsCompilation(isCompilation);
+        }
+
+        // Map AlbumType foreign key
+        if (entity.getAlbumType() != null && entity.getAlbumType().getId() != null) {
+            builder.setFkAlbumtypeId(entity.getAlbumType().getId());
+        }
+
+        // Map AlbumArt foreign key
+        if (entity.getAlbumArt() != null && entity.getAlbumArt().getId() != null) {
+            builder.setFkAlbumartId(entity.getAlbumArt().getId());
+        }
+
+        // Map timestamps
+        if (entity.getCreatedAt() != null) {
+            long createdAtEpoch = entity.getCreatedAt()
+                    .atZone(ZoneId.systemDefault())
+                    .toInstant()
+                    .toEpochMilli();
+            builder.setCreatedAt(createdAtEpoch);
+        }
+
+        if (entity.getUpdatedAt() != null) {
+            long updatedAtEpoch = entity.getUpdatedAt()
+                    .atZone(ZoneId.systemDefault())
+                    .toInstant()
+                    .toEpochMilli();
+            builder.setUpdatedAt(updatedAtEpoch);
+        }
+
+        return builder.build();
+    }
+
+    public static Album toEntity(AlbumMessages.Album protobuf) {
+        if (protobuf == null) {
+            return null;
+        }
+
+        Album entity = new Album();
+
+        if (protobuf.getId() > 0) {
+            entity.setId(protobuf.getId());
+        }
+
+        entity.setName(protobuf.getName());
+
+        if (protobuf.getYear() > 0) {
+            entity.setYear(protobuf.getYear());
+        }
+
+        if (protobuf.getNumberOfDiscs() > 0) {
+            entity.setNumberOfDiscs(protobuf.getNumberOfDiscs());
+        }
+
+        if (!protobuf.getCode().isEmpty()) {
+            entity.setCode(protobuf.getCode());
+        }
+
+        entity.setIsCompilation(protobuf.getIsCompilation());
+
+        // Note: Foreign key relationships (AlbumType, AlbumArt) are handled in the service layer
+        // Timestamps are managed by JPA @PrePersist and @PreUpdate
+
+        return entity;
+    }
+}

src/main/java/com/mediamanager/model/Album.java

@@ -0,0 +1,229 @@
+package com.mediamanager.model;
+
+import jakarta.persistence.*;
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Entity
+@Table(name = "album")
+public class Album {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @Column(nullable = false)
+    private String name;
+
+    @Column
+    private Integer year;
+
+    @Column(name = "number_of_discs")
+    private Integer numberOfDiscs;
+
+    @Column
+    private String code;
+
+    @Column(name = "is_compilation")
+    private Boolean isCompilation;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "fk_albumtype_id")
+    private AlbumType albumType;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "fk_albumart_id")
+    private AlbumArt albumArt;
+
+    // Relacionamento ManyToMany com Artist através da tabela de junção
+    @OneToMany(mappedBy = "album", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<AlbumHasArtist> albumArtists = new ArrayList<>();
+
+    // Relacionamento ManyToMany com Genre através da tabela de junção
+    @OneToMany(mappedBy = "album", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<AlbumHasGenre> albumGenres = new ArrayList<>();  // ← ADICIONE ESSA LINHA
+
+    @Column(name = "created_at", nullable = false, updatable = false)
+    private LocalDateTime createdAt;
+
+    @Column(name = "updated_at")
+    private LocalDateTime updatedAt;
+
+    @PrePersist
+    protected void onCreate() {
+        this.createdAt = LocalDateTime.now();
+        this.updatedAt = LocalDateTime.now();
+    }
+
+    @PreUpdate
+    protected void onUpdate() {
+        this.updatedAt = LocalDateTime.now();
+    }
+
+    public Album() {}
+
+    // Métodos helper para Artist (ManyToMany)
+    public void addArtist(Artist artist) {
+        AlbumHasArtist albumHasArtist = new AlbumHasArtist();
+        albumHasArtist.setAlbum(this);
+        albumHasArtist.setArtist(artist);
+        albumArtists.add(albumHasArtist);
+    }
+
+    public void removeArtist(Artist artist) {
+        albumArtists.removeIf(aa ->
+                aa.getArtist() != null && 
+                aa.getArtist().getId() != null && 
+                aa.getArtist().getId().equals(artist.getId())
+        );
+    }
+
+    // Método conveniente para pegar só os artistas
+    public List<Artist> getArtists() {
+        return albumArtists.stream()
+                .map(AlbumHasArtist::getArtist)
+                .collect(Collectors.toList());
+    }
+
+    // ========== ADICIONE ESSES MÉTODOS PARA GENRE ==========
+
+    // Métodos helper para Genre (ManyToMany)
+    public void addGenre(Genre genre) {
+        AlbumHasGenre albumHasGenre = new AlbumHasGenre();
+        albumHasGenre.setAlbum(this);
+        albumHasGenre.setGenre(genre);
+        albumGenres.add(albumHasGenre);
+    }
+
+    public void removeGenre(Genre genre) {
+        if (genre == null) {
+            return;
+        }
+        albumGenres.removeIf(ag ->
+                ag.getGenre() != null &&
+                        ag.getGenre().getId() != null &&
+                        ag.getGenre().getId().equals(genre.getId())
+        );
+    }
+
+    // Método conveniente para pegar só os gêneros
+    public List<Genre> getGenres() {
+        return albumGenres.stream()
+                .map(AlbumHasGenre::getGenre)
+                .collect(Collectors.toList());
+    }
+
+    // ========== FIM DOS MÉTODOS DE GENRE ==========
+
+    // Getters and Setters
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Integer getYear() {
+        return year;
+    }
+
+    public void setYear(Integer year) {
+        this.year = year;
+    }
+
+    public Integer getNumberOfDiscs() {
+        return numberOfDiscs;
+    }
+
+    public void setNumberOfDiscs(Integer numberOfDiscs) {
+        this.numberOfDiscs = numberOfDiscs;
+    }
+
+    public String getCode() {
+        return code;
+    }
+
+    public void setCode(String code) {
+        this.code = code;
+    }
+
+    public Boolean getIsCompilation() {
+        return isCompilation;
+    }
+
+    public void setIsCompilation(Boolean isCompilation) {
+        this.isCompilation = isCompilation;
+    }
+
+    public AlbumType getAlbumType() {
+        return albumType;
+    }
+
+    public void setAlbumType(AlbumType albumType) {
+        this.albumType = albumType;
+    }
+
+    public AlbumArt getAlbumArt() {
+        return albumArt;
+    }
+
+    public void setAlbumArt(AlbumArt albumArt) {
+        this.albumArt = albumArt;
+    }
+
+    public List<AlbumHasArtist> getAlbumArtists() {
+        return albumArtists;
+    }
+
+    public void setAlbumArtists(List<AlbumHasArtist> albumArtists) {
+        this.albumArtists = albumArtists;
+    }
+
+    // ========== ADICIONE ESSES GETTERS/SETTERS ==========
+
+    public List<AlbumHasGenre> getAlbumGenres() {
+        return albumGenres;
+    }
+
+    public void setAlbumGenres(List<AlbumHasGenre> albumGenres) {
+        this.albumGenres = albumGenres;
+    }
+
+    // ========== FIM DOS GETTERS/SETTERS DE GENRE ==========
+
+    public LocalDateTime getCreatedAt() {
+        return createdAt;
+    }
+
+    public void setCreatedAt(LocalDateTime createdAt) {
+        this.createdAt = createdAt;
+    }
+
+    public LocalDateTime getUpdatedAt() {
+        return updatedAt;
+    }
+
+    public void setUpdatedAt(LocalDateTime updatedAt) {
+        this.updatedAt = updatedAt;
+    }
+
+    @Override
+    public String toString() {
+        return "Album{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                ", year=" + year +
+                '}';
+    }
+}

src/main/java/com/mediamanager/model/AlbumHasArtist.java

@@ -0,0 +1,56 @@
+package com.mediamanager.model;
+
+import jakarta.persistence.*;
+
+@Entity
+@Table(name = "albumshasartist")
+public class AlbumHasArtist {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "fk_album_id", nullable = false)
+    private Album album;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "fk_artist_id", nullable = false)
+    private Artist artist;
+
+    public AlbumHasArtist() {}
+
+    // Getters and Setters
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public Album getAlbum() {
+        return album;
+    }
+
+    public void setAlbum(Album album) {
+        this.album = album;
+    }
+
+    public Artist getArtist() {
+        return artist;
+    }
+
+    public void setArtist(Artist artist) {
+        this.artist = artist;
+    }
+
+    @Override
+    public String toString() {
+        return "AlbumHasArtist{" +
+                "id=" + id +
+                ", albumId=" + (album != null ? album.getId() : null) +
+                ", artistId=" + (artist != null ? artist.getId() : null) +
+                '}';
+    }
+}

src/main/java/com/mediamanager/model/AlbumHasGenre.java

@@ -0,0 +1,56 @@
+package com.mediamanager.model;
+
+import jakarta.persistence.*;
+
+@Entity
+@Table(name = "albumshasgenre")
+public class AlbumHasGenre {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "fk_album_id", nullable = false)
+    private Album album;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "fk_genre_id", nullable = false)
+    private Genre genre;
+
+    public AlbumHasGenre() {}
+
+    // Getters and Setters
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public Album getAlbum() {
+        return album;
+    }
+
+    public void setAlbum(Album album) {
+        this.album = album;
+    }
+
+    public Genre getGenre() {
+        return genre;
+    }
+
+    public void setGenre(Genre genre) {
+        this.genre = genre;
+    }
+
+    @Override
+    public String toString() {
+        return "AlbumHasGenre{" +
+                "id=" + id +
+                ", albumId=" + (album != null ? album.getId() : null) +
+                ", genreId=" + (genre != null ? genre.getId() : null) +
+                '}';
+    }
+}

src/main/java/com/mediamanager/repository/AlbumHasArtistRepository.java

@@ -0,0 +1,85 @@
+package com.mediamanager.repository;
+
+
+import com.mediamanager.model.AlbumHasArtist;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.EntityManagerFactory;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+
+import java.util.List;
+import java.util.Optional;
+
+public class AlbumHasArtistRepository {
+    private static final Logger logger = LogManager.getLogger(AlbumHasArtistRepository.class);
+
+    private final EntityManagerFactory entityManagerFactory;
+
+    public AlbumHasArtistRepository(EntityManagerFactory entityManagerFactory) {
+        this.entityManagerFactory = entityManagerFactory;
+    }
+
+    public AlbumHasArtist save(AlbumHasArtist albumHasArtist) {
+        logger.debug("Saving AlbumHasArtist: {}", albumHasArtist);
+        EntityManager em = entityManagerFactory.createEntityManager();
+        em.getTransaction().begin();
+        try {
+            em.persist(albumHasArtist);
+            em.getTransaction().commit();
+            logger.debug("AlbumHasArtist has been saved successfully");
+            return albumHasArtist;
+        } catch (Exception e) {
+            em.getTransaction().rollback();
+            logger.error("Error while saving AlbumHasArtist: {}", e.getMessage());
+            throw e;
+        } finally {
+            if (em.isOpen()) em.close();
+        }
+    }
+
+    public List<AlbumHasArtist> findAll() {
+        logger.debug("Finding All AlbumHasArtist");
+        EntityManager em = entityManagerFactory.createEntityManager();
+        try{
+            return em.createQuery("select a from AlbumHasArtist a", AlbumHasArtist.class).getResultList();
+        }finally {
+            if (em.isOpen()) em.close();
+        }
+    }
+
+    public Optional<AlbumHasArtist> findById(Integer id) {
+        logger.debug("Finding AlbumHasArtist with id: {}", id);
+        EntityManager em = entityManagerFactory.createEntityManager();
+        try{
+            AlbumHasArtist albumHasArtist = em.find(AlbumHasArtist.class, id);
+            return Optional.ofNullable(albumHasArtist);
+        }finally {
+            if (em.isOpen()) em.close();
+        }
+    }
+
+    public boolean deleteById(Integer id){
+        logger.debug("Deleting AlbumHasArtist with id: {}", id);
+        EntityManager em = entityManagerFactory.createEntityManager();
+        em.getTransaction().begin();
+        try{
+            AlbumHasArtist albumHasArtist = em.find(AlbumHasArtist.class, id);
+            if (albumHasArtist == null) {
+                em.getTransaction().rollback();
+                return false;
+            }
+            em.remove(albumHasArtist);
+            em.getTransaction().commit();
+            logger.debug("AlbumHasArtist has been deleted successfully");
+            return true;
+        } catch (Exception e) {
+            em.getTransaction().rollback();
+            logger.error("Error while deleting AlbumHasArtist: {}", e.getMessage());
+            throw e;
+        } finally {
+            if (em.isOpen()) em.close();
+        }
+    }
+
+}

src/main/java/com/mediamanager/repository/AlbumHasGenreRepository.java

@@ -0,0 +1,85 @@
+package com.mediamanager.repository;
+
+
+import com.mediamanager.model.AlbumHasGenre;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.EntityManagerFactory;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+
+import java.util.List;
+import java.util.Optional;
+
+public class AlbumHasGenreRepository {
+    private static final Logger logger = LogManager.getLogger(AlbumHasGenreRepository.class);
+
+    private final EntityManagerFactory entityManagerFactory;
+
+    public AlbumHasGenreRepository(EntityManagerFactory entityManagerFactory) {
+        this.entityManagerFactory = entityManagerFactory;
+    }
+
+    public AlbumHasGenre save(AlbumHasGenre albumHasGenre) {
+        logger.debug("Saving AlbumHasGenre: {}", albumHasGenre);
+        EntityManager em = entityManagerFactory.createEntityManager();
+        em.getTransaction().begin();
+        try {
+            em.persist(albumHasGenre);
+            em.getTransaction().commit();
+            logger.debug("AlbumHasGenre has been saved successfully");
+            return albumHasGenre;
+        } catch (Exception e) {
+            em.getTransaction().rollback();
+            logger.error("Error while saving AlbumHasGenre: {}", e.getMessage());
+            throw e;
+        } finally {
+            if (em.isOpen()) em.close();
+        }
+    }
+
+    public List<AlbumHasGenre> findAll() {
+        logger.debug("Finding All AlbumHasGenre");
+        EntityManager em = entityManagerFactory.createEntityManager();
+        try{
+            return em.createQuery("select a from AlbumHasGenre a", AlbumHasGenre.class).getResultList();
+        }finally {
+            if (em.isOpen()) em.close();
+        }
+    }
+
+    public Optional<AlbumHasGenre> findById(Integer id) {
+        logger.debug("Finding AlbumHasGenre with id: {}", id);
+        EntityManager em = entityManagerFactory.createEntityManager();
+        try{
+            AlbumHasGenre albumHasGenre = em.find(AlbumHasGenre.class, id);
+            return Optional.ofNullable(albumHasGenre);
+        }finally {
+            if (em.isOpen()) em.close();
+        }
+    }
+
+    public boolean deleteById(Integer id){
+        logger.debug("Deleting AlbumHasGenre with id: {}", id);
+        EntityManager em = entityManagerFactory.createEntityManager();
+        em.getTransaction().begin();
+        try{
+            AlbumHasGenre albumHasGenre = em.find(AlbumHasGenre.class, id);
+            if (albumHasGenre == null) {
+                em.getTransaction().rollback();
+                return false;
+            }
+            em.remove(albumHasGenre);
+            em.getTransaction().commit();
+            logger.debug("AlbumHasGenre has been deleted successfully");
+            return true;
+        } catch (Exception e) {
+            em.getTransaction().rollback();
+            logger.error("Error while deleting AlbumHasGenre: {}", e.getMessage());
+            throw e;
+        } finally {
+            if (em.isOpen()) em.close();
+        }
+    }
+
+}

src/main/java/com/mediamanager/repository/AlbumRepository.java

@@ -0,0 +1,103 @@
+package com.mediamanager.repository;
+
+
+import com.mediamanager.model.Album;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.EntityManagerFactory;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+
+import java.util.List;
+import java.util.Optional;
+
+public class AlbumRepository {
+    private static final Logger logger = LogManager.getLogger(AlbumRepository.class);
+
+    private final EntityManagerFactory entityManagerFactory;
+
+    public AlbumRepository(EntityManagerFactory entityManagerFactory) {
+        this.entityManagerFactory = entityManagerFactory;
+    }
+
+    public Album save(Album album) {
+        logger.debug("Saving Album: {}", album.getName());
+        EntityManager em = entityManagerFactory.createEntityManager();
+        em.getTransaction().begin();
+        try {
+            em.persist(album);
+            em.getTransaction().commit();
+            logger.debug("Album has been saved successfully");
+            return album;
+        } catch (Exception e) {
+            em.getTransaction().rollback();
+            logger.error("Error while saving Album: {}", e.getMessage());
+            throw e;
+        } finally {
+            if (em.isOpen()) em.close();
+        }
+    }
+
+    public List<Album> findAll() {
+        logger.debug("Finding All Album");
+        EntityManager em = entityManagerFactory.createEntityManager();
+        try{
+            return em.createQuery("select a from Album a", Album.class).getResultList();
+        }finally {
+            if (em.isOpen()) em.close();
+        }
+    }
+
+    public Optional<Album> findById(Integer id) {
+        logger.debug("Finding Album with id: {}", id);
+        EntityManager em = entityManagerFactory.createEntityManager();
+        try{
+            Album album = em.find(Album.class, id);
+            return Optional.ofNullable(album);
+        }finally {
+            if (em.isOpen()) em.close();
+        }
+    }
+
+    public Album update(Album album) {
+        logger.debug("Updating Album: {}", album.getName());
+        EntityManager em = entityManagerFactory.createEntityManager();
+        em.getTransaction().begin();
+        try {
+            Album updated = em.merge(album);
+            em.getTransaction().commit();
+            logger.debug("Album has been updated successfully");
+            return updated;
+        } catch (Exception e) {
+            em.getTransaction().rollback();
+            logger.error("Error while updating Album: {}", e.getMessage());
+            throw e;
+        } finally {
+            if (em.isOpen()) em.close();
+        }
+    }
+
+    public boolean deleteById(Integer id){
+        logger.debug("Deleting Album with id: {}", id);
+        EntityManager em = entityManagerFactory.createEntityManager();
+        em.getTransaction().begin();
+        try{
+            Album album = em.find(Album.class, id);
+            if (album == null) {
+                em.getTransaction().rollback();
+                return false;
+            }
+            em.remove(album);
+            em.getTransaction().commit();
+            logger.debug("Album has been deleted successfully");
+            return true;
+        } catch (Exception e) {
+            em.getTransaction().rollback();
+            logger.error("Error while deleting Album: {}", e.getMessage());
+            throw e;
+        } finally {
+            if (em.isOpen()) em.close();
+        }
+    }
+
+}

src/main/java/com/mediamanager/service/album/AlbumService.java

@@ -0,0 +1,153 @@
+package com.mediamanager.service.album;
+
+import com.mediamanager.model.Album;
+import com.mediamanager.model.AlbumArt;
+import com.mediamanager.model.AlbumType;
+import com.mediamanager.repository.AlbumRepository;
+import com.mediamanager.repository.AlbumArtRepository;
+import com.mediamanager.repository.AlbumTypeRepository;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.List;
+import java.util.Optional;
+
+public class AlbumService {
+    private static final Logger logger = LogManager.getLogger(AlbumService.class);
+    private final AlbumRepository repository;
+    private final AlbumTypeRepository albumTypeRepository;
+    private final AlbumArtRepository albumArtRepository;
+
+    public AlbumService(AlbumRepository repository, AlbumTypeRepository albumTypeRepository, AlbumArtRepository albumArtRepository) {
+        this.repository = repository;
+        this.albumTypeRepository = albumTypeRepository;
+        this.albumArtRepository = albumArtRepository;
+    }
+
+    public Album createAlbum(String name, Integer year, Integer numberOfDiscs, String code, Boolean isCompilation, Integer albumTypeId, Integer albumArtId) {
+        logger.debug("Creating album:{}", name);
+        if (name == null || name.trim().isEmpty()) {
+            throw new IllegalArgumentException("Album name cannot be null or empty");
+        }
+
+        Album album = new Album();
+        album.setName(name);
+        album.setYear(year);
+        album.setNumberOfDiscs(numberOfDiscs);
+        album.setCode(code);
+        album.setIsCompilation(isCompilation);
+
+        // Set AlbumType if provided
+        if (albumTypeId != null && albumTypeId > 0) {
+            Optional<AlbumType> albumType = albumTypeRepository.findById(albumTypeId);
+            if (albumType.isEmpty()) {
+                throw new IllegalArgumentException("AlbumType not found with id: " + albumTypeId);
+            }
+            album.setAlbumType(albumType.get());
+        }
+
+        // Set AlbumArt if provided
+        if (albumArtId != null && albumArtId > 0) {
+            Optional<AlbumArt> albumArt = albumArtRepository.findById(albumArtId);
+            if (albumArt.isEmpty()) {
+                throw new IllegalArgumentException("AlbumArt not found with id: " + albumArtId);
+            }
+            album.setAlbumArt(albumArt.get());
+        }
+
+        return repository.save(album);
+    }
+
+    public List<Album> getAllAlbums() {
+        logger.info("Getting all albums");
+        return repository.findAll();
+    }
+
+    public Optional<Album> getAlbumById(Integer id) {
+        if (id == null) {
+            throw new IllegalArgumentException("ID cannot be null");
+        }
+        logger.info("Getting album by id:{}", id);
+        return repository.findById(id);
+    }
+
+    public Optional<Album> updateAlbum(Integer id, String name, Integer year,
+                                       Integer numberOfDiscs, String code,
+                                       Boolean isCompilation, Integer albumTypeId,
+                                       Integer albumArtId,
+                                       boolean updateYear,          // ← Novo!
+                                       boolean updateNumberOfDiscs, // ← Novo!
+                                       boolean updateAlbumType,     // ← Novo!
+                                       boolean updateAlbumArt) {    // ← Novo!
+        if (id == null) {
+            throw new IllegalArgumentException("ID cannot be null");
+        }
+        logger.info("Updating album: {}", name);
+        if (name == null || name.trim().isEmpty()) {
+            throw new IllegalArgumentException("Album name cannot be null or empty");
+        }
+
+        Optional<Album> existingAlbum = repository.findById(id);
+        if (existingAlbum.isEmpty()) {
+            logger.warn("Album not found with id: {}", id);
+            return Optional.empty();
+        }
+
+        Album album = existingAlbum.get();
+        album.setName(name);
+        album.setCode(code);
+        album.setIsCompilation(isCompilation);
+
+        // Atualiza year SOMENTE se o campo foi fornecido
+        if (updateYear) {
+            album.setYear(year);
+        }
+
+        // Atualiza numberOfDiscs SOMENTE se o campo foi fornecido
+        if (updateNumberOfDiscs) {
+            album.setNumberOfDiscs(numberOfDiscs);
+        }
+
+        // Update AlbumType SOMENTE se o campo foi fornecido
+        if (updateAlbumType) {
+            if (albumTypeId != null && albumTypeId > 0) {
+                Optional<AlbumType> albumType = albumTypeRepository.findById(albumTypeId);
+                if (albumType.isEmpty()) {
+                    throw new IllegalArgumentException("AlbumType not found with id: " + albumTypeId);
+                }
+                album.setAlbumType(albumType.get());
+            } else {
+                // Explicitamente passado como 0 ou null = remover a relação
+                album.setAlbumType(null);
+            }
+        }
+        // Se não foi fornecido, mantém o existente
+
+        // Update AlbumArt SOMENTE se o campo foi fornecido
+        if (updateAlbumArt) {
+            if (albumArtId != null && albumArtId > 0) {
+                Optional<AlbumArt> albumArt = albumArtRepository.findById(albumArtId);
+                if (albumArt.isEmpty()) {
+                    throw new IllegalArgumentException("AlbumArt not found with id: " + albumArtId);
+                }
+                album.setAlbumArt(albumArt.get());
+            } else {
+                // Explicitamente passado como 0 ou null = remover a relação
+                album.setAlbumArt(null);
+            }
+        }
+        // Se não foi fornecido, mantém o existente
+
+        Album updatedAlbum = repository.update(album);
+        return Optional.of(updatedAlbum);
+    }
+
+    public boolean deleteAlbum(Integer id) {
+        if (id == null) {
+            throw new IllegalArgumentException("Album id cannot be null");
+        }
+        logger.info("Deleting album:{}", id);
+        return repository.deleteById(id);
+    }
+
+}

src/main/java/com/mediamanager/service/albumhasartist/AlbumHasArtistService.java

@@ -0,0 +1,77 @@
+package com.mediamanager.service.albumhasartist;
+
+import com.mediamanager.model.Album;
+import com.mediamanager.model.AlbumHasArtist;
+import com.mediamanager.model.Artist;
+import com.mediamanager.repository.AlbumHasArtistRepository;
+import com.mediamanager.repository.AlbumRepository;
+import com.mediamanager.repository.ArtistRepository;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.List;
+import java.util.Optional;
+
+public class AlbumHasArtistService {
+    private static final Logger logger = LogManager.getLogger(AlbumHasArtistService.class);
+    private final AlbumHasArtistRepository repository;
+    private final AlbumRepository albumRepository;
+    private final ArtistRepository artistRepository;
+
+    public AlbumHasArtistService(AlbumHasArtistRepository repository, AlbumRepository albumRepository, ArtistRepository artistRepository) {
+        this.repository = repository;
+        this.albumRepository = albumRepository;
+        this.artistRepository = artistRepository;
+    }
+
+    public AlbumHasArtist createAlbumHasArtist(Integer albumId, Integer artistId) {
+        logger.debug("Creating album has artist relationship - albumId:{}, artistId:{}", albumId, artistId);
+
+        if (albumId == null || albumId <= 0) {
+            throw new IllegalArgumentException("Album ID cannot be null or invalid");
+        }
+        if (artistId == null || artistId <= 0) {
+            throw new IllegalArgumentException("Artist ID cannot be null or invalid");
+        }
+
+        // Verify Album exists
+        Optional<Album> album = albumRepository.findById(albumId);
+        if (album.isEmpty()) {
+            throw new IllegalArgumentException("Album not found with id: " + albumId);
+        }
+
+        // Verify Artist exists
+        Optional<Artist> artist = artistRepository.findById(artistId);
+        if (artist.isEmpty()) {
+            throw new IllegalArgumentException("Artist not found with id: " + artistId);
+        }
+
+        AlbumHasArtist albumHasArtist = new AlbumHasArtist();
+        albumHasArtist.setAlbum(album.get());
+        albumHasArtist.setArtist(artist.get());
+
+        return repository.save(albumHasArtist);
+    }
+
+    public List<AlbumHasArtist> getAllAlbumHasArtists() {
+        logger.info("Getting all album has artist relationships");
+        return repository.findAll();
+    }
+
+    public Optional<AlbumHasArtist> getAlbumHasArtistById(Integer id) {
+        if (id == null) {
+            throw new IllegalArgumentException("ID cannot be null");
+        }
+        logger.info("Getting album has artist by id:{}", id);
+        return repository.findById(id);
+    }
+
+    public boolean deleteAlbumHasArtist(Integer id) {
+        if (id == null) {
+            throw new IllegalArgumentException("Album has artist id cannot be null");
+        }
+        logger.info("Deleting album has artist:{}", id);
+        return repository.deleteById(id);
+    }
+
+}

src/main/java/com/mediamanager/service/albumhasgenre/AlbumHasGenreService.java

@@ -0,0 +1,77 @@
+package com.mediamanager.service.albumhasgenre;
+
+import com.mediamanager.model.Album;
+import com.mediamanager.model.AlbumHasGenre;
+import com.mediamanager.model.Genre;
+import com.mediamanager.repository.AlbumHasGenreRepository;
+import com.mediamanager.repository.AlbumRepository;
+import com.mediamanager.repository.GenreRepository;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.List;
+import java.util.Optional;
+
+public class AlbumHasGenreService {
+    private static final Logger logger = LogManager.getLogger(AlbumHasGenreService.class);
+    private final AlbumHasGenreRepository repository;
+    private final AlbumRepository albumRepository;
+    private final GenreRepository genreRepository;
+
+    public AlbumHasGenreService(AlbumHasGenreRepository repository, AlbumRepository albumRepository, GenreRepository genreRepository) {
+        this.repository = repository;
+        this.albumRepository = albumRepository;
+        this.genreRepository = genreRepository;
+    }
+
+    public AlbumHasGenre createAlbumHasGenre(Integer albumId, Integer genreId) {
+        logger.debug("Creating album has genre relationship - albumId:{}, genreId:{}", albumId, genreId);
+
+        if (albumId == null || albumId <= 0) {
+            throw new IllegalArgumentException("Album ID cannot be null or invalid");
+        }
+        if (genreId == null || genreId <= 0) {
+            throw new IllegalArgumentException("Genre ID cannot be null or invalid");
+        }
+
+        // Verify Album exists
+        Optional<Album> album = albumRepository.findById(albumId);
+        if (album.isEmpty()) {
+            throw new IllegalArgumentException("Album not found with id: " + albumId);
+        }
+
+        // Verify Genre exists
+        Optional<Genre> genre = genreRepository.findById(genreId);
+        if (genre.isEmpty()) {
+            throw new IllegalArgumentException("Genre not found with id: " + genreId);
+        }
+
+        AlbumHasGenre albumHasGenre = new AlbumHasGenre();
+        albumHasGenre.setAlbum(album.get());
+        albumHasGenre.setGenre(genre.get());
+
+        return repository.save(albumHasGenre);
+    }
+
+    public List<AlbumHasGenre> getAllAlbumHasGenres() {
+        logger.info("Getting all album has genre relationships");
+        return repository.findAll();
+    }
+
+    public Optional<AlbumHasGenre> getAlbumHasGenreById(Integer id) {
+        if (id == null) {
+            throw new IllegalArgumentException("ID cannot be null");
+        }
+        logger.info("Getting album has genre by id:{}", id);
+        return repository.findById(id);
+    }
+
+    public boolean deleteAlbumHasGenre(Integer id) {
+        if (id == null) {
+            throw new IllegalArgumentException("Album has genre id cannot be null");
+        }
+        logger.info("Deleting album has genre:{}", id);
+        return repository.deleteById(id);
+    }
+
+}

src/main/java/com/mediamanager/service/delegate/DelegateActionManager.java

@@ -3,7 +3,10 @@ package com.mediamanager.service.delegate;
 import com.google.protobuf.ByteString;
 import com.mediamanager.protocol.TransportProtocol;
 import com.mediamanager.repository.*;
+import com.mediamanager.service.album.AlbumService;
 import com.mediamanager.service.albumart.AlbumArtService;
+import com.mediamanager.service.albumhasartist.AlbumHasArtistService;
+import com.mediamanager.service.albumhasgenre.AlbumHasGenreService;
 import com.mediamanager.service.albumtype.AlbumTypeService;
 import com.mediamanager.service.bitdepth.BitDepthService;
 import com.mediamanager.service.bitrate.BitRateService;
@@ -85,6 +88,18 @@ public class DelegateActionManager {
         AlbumTypeService albumTypeService = new AlbumTypeService(albumTypeRepository);
         serviceLocator.register(AlbumTypeService.class, albumTypeService);
 
+        AlbumRepository albumRepository = new AlbumRepository(entityManagerFactory);
+        AlbumService albumService = new AlbumService(albumRepository, albumTypeRepository, albumArtRepository);
+        serviceLocator.register(AlbumService.class, albumService);
+
+        AlbumHasArtistRepository albumHasArtistRepository = new AlbumHasArtistRepository(entityManagerFactory);
+        AlbumHasArtistService albumHasArtistService = new AlbumHasArtistService(albumHasArtistRepository, albumRepository, artistRepository);
+        serviceLocator.register(AlbumHasArtistService.class, albumHasArtistService);
+
+        AlbumHasGenreRepository albumHasGenreRepository = new AlbumHasGenreRepository(entityManagerFactory);
+        AlbumHasGenreService albumHasGenreService = new AlbumHasGenreService(albumHasGenreRepository, albumRepository, genreRepository);
+        serviceLocator.register(AlbumHasGenreService.class, albumHasGenreService);
+
         serviceLocator.logRegisteredServices();
 
         logger.info("Services initialized successfully");

src/main/java/com/mediamanager/service/delegate/handler/album/CreateAlbumHandler.java

@@ -0,0 +1,59 @@
+package com.mediamanager.service.delegate.handler.album;
+
+import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.mediamanager.mapper.AlbumMapper;
+import com.mediamanager.model.Album;
+import com.mediamanager.protocol.TransportProtocol;
+import com.mediamanager.protocol.messages.AlbumMessages;
+import com.mediamanager.service.delegate.ActionHandler;
+import com.mediamanager.service.delegate.annotation.Action;
+import com.mediamanager.service.album.AlbumService;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+@Action("album.create")
+public class CreateAlbumHandler implements ActionHandler {
+    private static final Logger logger = LogManager.getLogger(CreateAlbumHandler.class);
+    private final AlbumService albumService;
+
+    public CreateAlbumHandler(AlbumService albumService) {
+        this.albumService = albumService;
+    }
+
+    @Override
+    public TransportProtocol.Response.Builder handle(ByteString requestPayload) throws InvalidProtocolBufferException {
+        try{
+            AlbumMessages.CreateAlbumRequest createRequest =
+                    AlbumMessages.CreateAlbumRequest.parseFrom(requestPayload);
+
+            Album album = albumService.createAlbum(
+                    createRequest.getName(),
+                    createRequest.getYear() > 0 ? createRequest.getYear() : null,
+                    createRequest.getNumberOfDiscs() > 0 ? createRequest.getNumberOfDiscs() : null,
+                    createRequest.getCode().isEmpty() ? null : createRequest.getCode(),
+                    createRequest.getIsCompilation(),
+                    createRequest.getFkAlbumtypeId() > 0 ? createRequest.getFkAlbumtypeId() : null,
+                    createRequest.getFkAlbumartId() > 0 ? createRequest.getFkAlbumartId() : null
+            );
+
+            AlbumMessages.Album albumProto = AlbumMapper.toProtobuf(album);
+            AlbumMessages.CreateAlbumResponse createAlbumResponse = AlbumMessages.CreateAlbumResponse.newBuilder()
+                    .setAlbum(albumProto)
+                    .build();
+            return TransportProtocol.Response.newBuilder()
+                    .setPayload(createAlbumResponse.toByteString());
+        } catch (IllegalArgumentException e) {
+            logger.error("Validation error", e);
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(400)
+                    .setPayload(ByteString.copyFromUtf8("Validation error: " + e.getMessage()));
+
+        } catch (Exception e) {
+            logger.error("Error creating album", e);
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(500)
+                    .setPayload(ByteString.copyFromUtf8("Error: " + e.getMessage()));
+        }
+    }
+}

src/main/java/com/mediamanager/service/delegate/handler/album/DeleteAlbumHandler.java

@@ -0,0 +1,62 @@
+package com.mediamanager.service.delegate.handler.album;
+
+import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.mediamanager.protocol.TransportProtocol;
+import com.mediamanager.protocol.messages.AlbumMessages;
+import com.mediamanager.service.delegate.ActionHandler;
+import com.mediamanager.service.delegate.annotation.Action;
+import com.mediamanager.service.album.AlbumService;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+@Action("album.delete")
+public class DeleteAlbumHandler implements ActionHandler {
+    private static final Logger logger = LogManager.getLogger(DeleteAlbumHandler.class);
+
+    private final AlbumService albumService;
+
+    public DeleteAlbumHandler(AlbumService albumService) {
+        this.albumService = albumService;
+    }
+
+    @Override
+    public TransportProtocol.Response.Builder handle(ByteString requestPayload)
+            throws InvalidProtocolBufferException {
+
+        try {
+            AlbumMessages.DeleteAlbumRequest deleteRequest =
+                    AlbumMessages.DeleteAlbumRequest.parseFrom(requestPayload);
+            int id = deleteRequest.getId();
+            boolean success = albumService.deleteAlbum(id);
+            AlbumMessages.DeleteAlbumResponse deleteResponse;
+            if (success) {
+                deleteResponse = AlbumMessages.DeleteAlbumResponse.newBuilder()
+                        .setSuccess(true)
+                        .setMessage("Album deleted successfully")
+                        .build();
+                return TransportProtocol.Response.newBuilder()
+                        .setPayload(deleteResponse.toByteString());
+            } else {
+                deleteResponse = AlbumMessages.DeleteAlbumResponse.newBuilder()
+                        .setSuccess(false)
+                        .setMessage("Album not found")
+                        .build();
+
+                return TransportProtocol.Response.newBuilder()
+                        .setStatusCode(404)
+                        .setPayload(deleteResponse.toByteString());
+            }
+        } catch (Exception e) {
+            logger.error("Error deleting album", e);
+            AlbumMessages.DeleteAlbumResponse deleteResponse =
+                    AlbumMessages.DeleteAlbumResponse.newBuilder()
+                            .setSuccess(false)
+                            .setMessage("Error: " + e.getMessage())
+                            .build();
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(500)
+                    .setPayload(deleteResponse.toByteString());
+        }
+    }
+    }

src/main/java/com/mediamanager/service/delegate/handler/album/GetAlbumByIdHandler.java

@@ -0,0 +1,56 @@
+package com.mediamanager.service.delegate.handler.album;
+
+import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.mediamanager.mapper.AlbumMapper;
+import com.mediamanager.model.Album;
+import com.mediamanager.protocol.TransportProtocol;
+import com.mediamanager.protocol.messages.AlbumMessages;
+import com.mediamanager.service.delegate.ActionHandler;
+import com.mediamanager.service.delegate.annotation.Action;
+import com.mediamanager.service.album.AlbumService;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.Optional;
+
+@Action(value = "album.getById")
+public class GetAlbumByIdHandler implements ActionHandler {
+    private static final Logger logger = LogManager.getLogger(GetAlbumByIdHandler.class);
+    private final AlbumService albumService;
+
+    public GetAlbumByIdHandler(AlbumService albumService) {
+        this.albumService = albumService;
+    }
+
+    @Override
+    public TransportProtocol.Response.Builder handle(ByteString requestPayload)
+        throws InvalidProtocolBufferException{
+
+        try{
+            AlbumMessages.GetAlbumByIdRequest getByIdRequest =
+                    AlbumMessages.GetAlbumByIdRequest.parseFrom(requestPayload);
+            int id = getByIdRequest.getId();
+
+            Optional<Album> albumOpt = albumService.getAlbumById(id);
+
+            if (albumOpt.isEmpty()){
+                logger.warn("Album not found with ID: {}", id);
+                return TransportProtocol.Response.newBuilder()
+                        .setStatusCode(404)
+                        .setPayload(ByteString.copyFromUtf8("Album not found"));
+            }
+            AlbumMessages.Album albumProto = AlbumMapper.toProtobuf(albumOpt.get());
+            AlbumMessages.GetAlbumByIdResponse getByIdResponse = AlbumMessages.GetAlbumByIdResponse.newBuilder()
+                    .setAlbum(albumProto)
+                    .build();
+            return TransportProtocol.Response.newBuilder()
+                    .setPayload(getByIdResponse.toByteString());
+        } catch (Exception e) {
+            logger.error("Error getting album by ID", e);
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(500)
+                    .setPayload(ByteString.copyFromUtf8("Error: "+ e.getMessage()));
+        }
+    }
+}

src/main/java/com/mediamanager/service/delegate/handler/album/GetAlbumHandler.java

@@ -0,0 +1,48 @@
+package com.mediamanager.service.delegate.handler.album;
+
+import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.mediamanager.mapper.AlbumMapper;
+import com.mediamanager.model.Album;
+import com.mediamanager.protocol.TransportProtocol;
+import com.mediamanager.protocol.messages.AlbumMessages;
+import com.mediamanager.service.delegate.ActionHandler;
+import com.mediamanager.service.delegate.annotation.Action;
+import com.mediamanager.service.album.AlbumService;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.List;
+
+
+@Action("album.getAll")
+public class GetAlbumHandler implements ActionHandler {
+    private static final Logger logger = LogManager.getLogger(GetAlbumHandler.class);
+
+    private final AlbumService albumService;
+
+    public GetAlbumHandler(AlbumService albumService){this.albumService = albumService;}
+
+    @Override
+    public TransportProtocol.Response.Builder handle(ByteString requestPayload) throws InvalidProtocolBufferException {
+        try{
+            List<Album> albums = albumService.getAllAlbums();
+            AlbumMessages.GetAlbumsResponse.Builder responseBuilder = AlbumMessages.GetAlbumsResponse.newBuilder();
+
+            for (Album album : albums) {
+                AlbumMessages.Album albumProto = AlbumMapper.toProtobuf(album);
+                responseBuilder.addAlbums(albumProto);
+            }
+            AlbumMessages.GetAlbumsResponse getAlbumsResponse = responseBuilder.build();
+
+            return TransportProtocol.Response.newBuilder()
+                    .setPayload(getAlbumsResponse.toByteString());
+
+        }catch (Exception e){
+            logger.error("Error getting albums", e);
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(500)
+                    .setPayload(ByteString.copyFromUtf8("Error: " + e.getMessage()));
+        }
+    }
+}

src/main/java/com/mediamanager/service/delegate/handler/album/UpdateAlbumHandler.java

@@ -0,0 +1,96 @@
+package com.mediamanager.service.delegate.handler.album;
+
+import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.mediamanager.mapper.AlbumMapper;
+import com.mediamanager.model.Album;
+import com.mediamanager.protocol.TransportProtocol;
+import com.mediamanager.protocol.messages.AlbumMessages;
+import com.mediamanager.service.delegate.ActionHandler;
+import com.mediamanager.service.delegate.annotation.Action;
+import com.mediamanager.service.album.AlbumService;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.Optional;
+
+@Action("album.update")
+public class UpdateAlbumHandler implements ActionHandler {
+    private static final Logger logger = LogManager.getLogger(UpdateAlbumHandler.class);
+    private final AlbumService albumService;
+
+    public UpdateAlbumHandler(AlbumService albumService) {
+        this.albumService = albumService;
+    }
+
+    @Override
+    public TransportProtocol.Response.Builder handle(ByteString requestPayload)
+            throws InvalidProtocolBufferException {
+        try {
+            AlbumMessages.UpdateAlbumRequest updateRequest =
+                    AlbumMessages.UpdateAlbumRequest.parseFrom(requestPayload);
+
+            int id = updateRequest.getId();
+
+            // Extrai valores dos wrappers - null se não foi fornecido
+            Integer year = updateRequest.hasYear()
+                    ? updateRequest.getYear().getValue()
+                    : null;
+
+            Integer numberOfDiscs = updateRequest.hasNumberOfDiscs()
+                    ? updateRequest.getNumberOfDiscs().getValue()
+                    : null;
+
+            Integer albumTypeId = updateRequest.hasFkAlbumtypeId()
+                    ? updateRequest.getFkAlbumtypeId().getValue()
+                    : null;
+
+            Integer albumArtId = updateRequest.hasFkAlbumartId()
+                    ? updateRequest.getFkAlbumartId().getValue()
+                    : null;
+
+            Optional<Album> albumOpt = albumService.updateAlbum(
+                    id,
+                    updateRequest.getName(),
+                    year,
+                    numberOfDiscs,
+                    updateRequest.getCode().isEmpty() ? null : updateRequest.getCode(),
+                    updateRequest.getIsCompilation(),
+                    albumTypeId,
+                    albumArtId,
+                    updateRequest.hasYear(),              // ← Novo!
+                    updateRequest.hasNumberOfDiscs(),     // ← Novo!
+                    updateRequest.hasFkAlbumtypeId(),     // ← Novo!
+                    updateRequest.hasFkAlbumartId()       // ← Novo!
+            );
+
+            if (albumOpt.isEmpty()) {
+                logger.warn("Album not found with ID: {}", id);
+                return TransportProtocol.Response.newBuilder()
+                        .setStatusCode(404)
+                        .setPayload(ByteString.copyFromUtf8("Album not found"));
+            }
+
+            AlbumMessages.Album albumProto = AlbumMapper.toProtobuf(albumOpt.get());
+
+            AlbumMessages.UpdateAlbumResponse updateResponse =
+                    AlbumMessages.UpdateAlbumResponse.newBuilder()
+                            .setAlbum(albumProto)
+                            .build();
+
+            return TransportProtocol.Response.newBuilder()
+                    .setPayload(updateResponse.toByteString());
+
+        } catch (IllegalArgumentException e) {
+            logger.error("Validation error", e);
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(400)
+                    .setPayload(ByteString.copyFromUtf8("Validation error: " + e.getMessage()));
+        } catch (Exception e) {
+            logger.error("Error updating album", e);
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(500)
+                    .setPayload(ByteString.copyFromUtf8("Error: " + e.getMessage()));
+        }
+    }
+}

src/main/java/com/mediamanager/service/delegate/handler/albumhasartist/CreateAlbumHasArtistHandler.java

@@ -0,0 +1,54 @@
+package com.mediamanager.service.delegate.handler.albumhasartist;
+
+import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.mediamanager.mapper.AlbumHasArtistMapper;
+import com.mediamanager.model.AlbumHasArtist;
+import com.mediamanager.protocol.TransportProtocol;
+import com.mediamanager.protocol.messages.AlbumHasArtistMessages;
+import com.mediamanager.service.delegate.ActionHandler;
+import com.mediamanager.service.delegate.annotation.Action;
+import com.mediamanager.service.albumhasartist.AlbumHasArtistService;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+@Action("albumhasartist.create")
+public class CreateAlbumHasArtistHandler implements ActionHandler {
+    private static final Logger logger = LogManager.getLogger(CreateAlbumHasArtistHandler.class);
+    private final AlbumHasArtistService albumHasArtistService;
+
+    public CreateAlbumHasArtistHandler(AlbumHasArtistService albumHasArtistService) {
+        this.albumHasArtistService = albumHasArtistService;
+    }
+
+    @Override
+    public TransportProtocol.Response.Builder handle(ByteString requestPayload) throws InvalidProtocolBufferException {
+        try{
+            AlbumHasArtistMessages.CreateAlbumHasArtistRequest createRequest =
+                    AlbumHasArtistMessages.CreateAlbumHasArtistRequest.parseFrom(requestPayload);
+
+            AlbumHasArtist albumHasArtist = albumHasArtistService.createAlbumHasArtist(
+                    createRequest.getFkAlbumId() > 0 ? createRequest.getFkAlbumId() : null,
+                    createRequest.getFkArtistId() > 0 ? createRequest.getFkArtistId() : null
+            );
+
+            AlbumHasArtistMessages.AlbumHasArtist albumHasArtistProto = AlbumHasArtistMapper.toProtobuf(albumHasArtist);
+            AlbumHasArtistMessages.CreateAlbumHasArtistResponse createAlbumHasArtistResponse = AlbumHasArtistMessages.CreateAlbumHasArtistResponse.newBuilder()
+                    .setAlbumhasartist(albumHasArtistProto)
+                    .build();
+            return TransportProtocol.Response.newBuilder()
+                    .setPayload(createAlbumHasArtistResponse.toByteString());
+        } catch (IllegalArgumentException e) {
+            logger.error("Validation error", e);
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(400)
+                    .setPayload(ByteString.copyFromUtf8("Validation error: " + e.getMessage()));
+
+        } catch (Exception e) {
+            logger.error("Error creating album has artist", e);
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(500)
+                    .setPayload(ByteString.copyFromUtf8("Error: " + e.getMessage()));
+        }
+    }
+}

src/main/java/com/mediamanager/service/delegate/handler/albumhasartist/DeleteAlbumHasArtistHandler.java

@@ -0,0 +1,62 @@
+package com.mediamanager.service.delegate.handler.albumhasartist;
+
+import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.mediamanager.protocol.TransportProtocol;
+import com.mediamanager.protocol.messages.AlbumHasArtistMessages;
+import com.mediamanager.service.delegate.ActionHandler;
+import com.mediamanager.service.delegate.annotation.Action;
+import com.mediamanager.service.albumhasartist.AlbumHasArtistService;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+@Action("albumhasartist.delete")
+public class DeleteAlbumHasArtistHandler implements ActionHandler {
+    private static final Logger logger = LogManager.getLogger(DeleteAlbumHasArtistHandler.class);
+
+    private final AlbumHasArtistService albumHasArtistService;
+
+    public DeleteAlbumHasArtistHandler(AlbumHasArtistService albumHasArtistService) {
+        this.albumHasArtistService = albumHasArtistService;
+    }
+
+    @Override
+    public TransportProtocol.Response.Builder handle(ByteString requestPayload)
+            throws InvalidProtocolBufferException {
+
+        try {
+            AlbumHasArtistMessages.DeleteAlbumHasArtistRequest deleteRequest =
+                    AlbumHasArtistMessages.DeleteAlbumHasArtistRequest.parseFrom(requestPayload);
+            int id = deleteRequest.getId();
+            boolean success = albumHasArtistService.deleteAlbumHasArtist(id);
+            AlbumHasArtistMessages.DeleteAlbumHasArtistResponse deleteResponse;
+            if (success) {
+                deleteResponse = AlbumHasArtistMessages.DeleteAlbumHasArtistResponse.newBuilder()
+                        .setSuccess(true)
+                        .setMessage("Album has artist deleted successfully")
+                        .build();
+                return TransportProtocol.Response.newBuilder()
+                        .setPayload(deleteResponse.toByteString());
+            } else {
+                deleteResponse = AlbumHasArtistMessages.DeleteAlbumHasArtistResponse.newBuilder()
+                        .setSuccess(false)
+                        .setMessage("Album has artist not found")
+                        .build();
+
+                return TransportProtocol.Response.newBuilder()
+                        .setStatusCode(404)
+                        .setPayload(deleteResponse.toByteString());
+            }
+        } catch (Exception e) {
+            logger.error("Error deleting album has artist", e);
+            AlbumHasArtistMessages.DeleteAlbumHasArtistResponse deleteResponse =
+                    AlbumHasArtistMessages.DeleteAlbumHasArtistResponse.newBuilder()
+                            .setSuccess(false)
+                            .setMessage("Error: " + e.getMessage())
+                            .build();
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(500)
+                    .setPayload(deleteResponse.toByteString());
+        }
+    }
+    }

src/main/java/com/mediamanager/service/delegate/handler/albumhasartist/GetAlbumHasArtistByIdHandler.java

@@ -0,0 +1,56 @@
+package com.mediamanager.service.delegate.handler.albumhasartist;
+
+import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.mediamanager.mapper.AlbumHasArtistMapper;
+import com.mediamanager.model.AlbumHasArtist;
+import com.mediamanager.protocol.TransportProtocol;
+import com.mediamanager.protocol.messages.AlbumHasArtistMessages;
+import com.mediamanager.service.delegate.ActionHandler;
+import com.mediamanager.service.delegate.annotation.Action;
+import com.mediamanager.service.albumhasartist.AlbumHasArtistService;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.Optional;
+
+@Action(value = "albumhasartist.getById")
+public class GetAlbumHasArtistByIdHandler implements ActionHandler {
+    private static final Logger logger = LogManager.getLogger(GetAlbumHasArtistByIdHandler.class);
+    private final AlbumHasArtistService albumHasArtistService;
+
+    public GetAlbumHasArtistByIdHandler(AlbumHasArtistService albumHasArtistService) {
+        this.albumHasArtistService = albumHasArtistService;
+    }
+
+    @Override
+    public TransportProtocol.Response.Builder handle(ByteString requestPayload)
+        throws InvalidProtocolBufferException{
+
+        try{
+            AlbumHasArtistMessages.GetAlbumHasArtistByIdRequest getByIdRequest =
+                    AlbumHasArtistMessages.GetAlbumHasArtistByIdRequest.parseFrom(requestPayload);
+            int id = getByIdRequest.getId();
+
+            Optional<AlbumHasArtist> albumHasArtistOpt = albumHasArtistService.getAlbumHasArtistById(id);
+
+            if (albumHasArtistOpt.isEmpty()){
+                logger.warn("AlbumHasArtist not found with ID: {}", id);
+                return TransportProtocol.Response.newBuilder()
+                        .setStatusCode(404)
+                        .setPayload(ByteString.copyFromUtf8("AlbumHasArtist not found"));
+            }
+            AlbumHasArtistMessages.AlbumHasArtist albumHasArtistProto = AlbumHasArtistMapper.toProtobuf(albumHasArtistOpt.get());
+            AlbumHasArtistMessages.GetAlbumHasArtistByIdResponse getByIdResponse = AlbumHasArtistMessages.GetAlbumHasArtistByIdResponse.newBuilder()
+                    .setAlbumhasartist(albumHasArtistProto)
+                    .build();
+            return TransportProtocol.Response.newBuilder()
+                    .setPayload(getByIdResponse.toByteString());
+        } catch (Exception e) {
+            logger.error("Error getting album has artist by ID", e);
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(500)
+                    .setPayload(ByteString.copyFromUtf8("Error: "+ e.getMessage()));
+        }
+    }
+}

src/main/java/com/mediamanager/service/delegate/handler/albumhasartist/GetAlbumHasArtistHandler.java

@@ -0,0 +1,48 @@
+package com.mediamanager.service.delegate.handler.albumhasartist;
+
+import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.mediamanager.mapper.AlbumHasArtistMapper;
+import com.mediamanager.model.AlbumHasArtist;
+import com.mediamanager.protocol.TransportProtocol;
+import com.mediamanager.protocol.messages.AlbumHasArtistMessages;
+import com.mediamanager.service.delegate.ActionHandler;
+import com.mediamanager.service.delegate.annotation.Action;
+import com.mediamanager.service.albumhasartist.AlbumHasArtistService;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.List;
+
+
+@Action("albumhasartist.getAll")
+public class GetAlbumHasArtistHandler implements ActionHandler {
+    private static final Logger logger = LogManager.getLogger(GetAlbumHasArtistHandler.class);
+
+    private final AlbumHasArtistService albumHasArtistService;
+
+    public GetAlbumHasArtistHandler(AlbumHasArtistService albumHasArtistService){this.albumHasArtistService = albumHasArtistService;}
+
+    @Override
+    public TransportProtocol.Response.Builder handle(ByteString requestPayload) throws InvalidProtocolBufferException {
+        try{
+            List<AlbumHasArtist> albumHasArtists = albumHasArtistService.getAllAlbumHasArtists();
+            AlbumHasArtistMessages.GetAlbumHasArtistsResponse.Builder responseBuilder = AlbumHasArtistMessages.GetAlbumHasArtistsResponse.newBuilder();
+
+            for (AlbumHasArtist albumHasArtist : albumHasArtists) {
+                AlbumHasArtistMessages.AlbumHasArtist albumHasArtistProto = AlbumHasArtistMapper.toProtobuf(albumHasArtist);
+                responseBuilder.addAlbumhasartist(albumHasArtistProto);
+            }
+            AlbumHasArtistMessages.GetAlbumHasArtistsResponse getAlbumHasArtistsResponse = responseBuilder.build();
+
+            return TransportProtocol.Response.newBuilder()
+                    .setPayload(getAlbumHasArtistsResponse.toByteString());
+
+        }catch (Exception e){
+            logger.error("Error getting album has artists", e);
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(500)
+                    .setPayload(ByteString.copyFromUtf8("Error: " + e.getMessage()));
+        }
+    }
+}

src/main/java/com/mediamanager/service/delegate/handler/albumhasgenre/CreateAlbumHasGenreHandler.java

@@ -0,0 +1,54 @@
+package com.mediamanager.service.delegate.handler.albumhasgenre;
+
+import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.mediamanager.mapper.AlbumHasGenreMapper;
+import com.mediamanager.model.AlbumHasGenre;
+import com.mediamanager.protocol.TransportProtocol;
+import com.mediamanager.protocol.messages.AlbumHasGenreMessages;
+import com.mediamanager.service.delegate.ActionHandler;
+import com.mediamanager.service.delegate.annotation.Action;
+import com.mediamanager.service.albumhasgenre.AlbumHasGenreService;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+@Action("albumhasgenre.create")
+public class CreateAlbumHasGenreHandler implements ActionHandler {
+    private static final Logger logger = LogManager.getLogger(CreateAlbumHasGenreHandler.class);
+    private final AlbumHasGenreService albumHasGenreService;
+
+    public CreateAlbumHasGenreHandler(AlbumHasGenreService albumHasGenreService) {
+        this.albumHasGenreService = albumHasGenreService;
+    }
+
+    @Override
+    public TransportProtocol.Response.Builder handle(ByteString requestPayload) throws InvalidProtocolBufferException {
+        try{
+            AlbumHasGenreMessages.CreateAlbumHasGenreRequest createRequest =
+                    AlbumHasGenreMessages.CreateAlbumHasGenreRequest.parseFrom(requestPayload);
+
+            AlbumHasGenre albumHasGenre = albumHasGenreService.createAlbumHasGenre(
+                    createRequest.getFkAlbumId() > 0 ? createRequest.getFkAlbumId() : null,
+                    createRequest.getFkGenreId() > 0 ? createRequest.getFkGenreId() : null
+            );
+
+            AlbumHasGenreMessages.AlbumHasGenre albumHasGenreProto = AlbumHasGenreMapper.toProtobuf(albumHasGenre);
+            AlbumHasGenreMessages.CreateAlbumHasGenreResponse createAlbumHasGenreResponse = AlbumHasGenreMessages.CreateAlbumHasGenreResponse.newBuilder()
+                    .setAlbumhasgenre(albumHasGenreProto)
+                    .build();
+            return TransportProtocol.Response.newBuilder()
+                    .setPayload(createAlbumHasGenreResponse.toByteString());
+        } catch (IllegalArgumentException e) {
+            logger.error("Validation error", e);
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(400)
+                    .setPayload(ByteString.copyFromUtf8("Validation error: " + e.getMessage()));
+
+        } catch (Exception e) {
+            logger.error("Error creating album has genre", e);
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(500)
+                    .setPayload(ByteString.copyFromUtf8("Error: " + e.getMessage()));
+        }
+    }
+}

src/main/java/com/mediamanager/service/delegate/handler/albumhasgenre/DeleteAlbumHasGenreHandler.java

@@ -0,0 +1,62 @@
+package com.mediamanager.service.delegate.handler.albumhasgenre;
+
+import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.mediamanager.protocol.TransportProtocol;
+import com.mediamanager.protocol.messages.AlbumHasGenreMessages;
+import com.mediamanager.service.delegate.ActionHandler;
+import com.mediamanager.service.delegate.annotation.Action;
+import com.mediamanager.service.albumhasgenre.AlbumHasGenreService;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+@Action("albumhasgenre.delete")
+public class DeleteAlbumHasGenreHandler implements ActionHandler {
+    private static final Logger logger = LogManager.getLogger(DeleteAlbumHasGenreHandler.class);
+
+    private final AlbumHasGenreService albumHasGenreService;
+
+    public DeleteAlbumHasGenreHandler(AlbumHasGenreService albumHasGenreService) {
+        this.albumHasGenreService = albumHasGenreService;
+    }
+
+    @Override
+    public TransportProtocol.Response.Builder handle(ByteString requestPayload)
+            throws InvalidProtocolBufferException {
+
+        try {
+            AlbumHasGenreMessages.DeleteAlbumHasGenreRequest deleteRequest =
+                    AlbumHasGenreMessages.DeleteAlbumHasGenreRequest.parseFrom(requestPayload);
+            int id = deleteRequest.getId();
+            boolean success = albumHasGenreService.deleteAlbumHasGenre(id);
+            AlbumHasGenreMessages.DeleteAlbumHasGenreResponse deleteResponse;
+            if (success) {
+                deleteResponse = AlbumHasGenreMessages.DeleteAlbumHasGenreResponse.newBuilder()
+                        .setSuccess(true)
+                        .setMessage("Album has genre deleted successfully")
+                        .build();
+                return TransportProtocol.Response.newBuilder()
+                        .setPayload(deleteResponse.toByteString());
+            } else {
+                deleteResponse = AlbumHasGenreMessages.DeleteAlbumHasGenreResponse.newBuilder()
+                        .setSuccess(false)
+                        .setMessage("Album has genre not found")
+                        .build();
+
+                return TransportProtocol.Response.newBuilder()
+                        .setStatusCode(404)
+                        .setPayload(deleteResponse.toByteString());
+            }
+        } catch (Exception e) {
+            logger.error("Error deleting album has genre", e);
+            AlbumHasGenreMessages.DeleteAlbumHasGenreResponse deleteResponse =
+                    AlbumHasGenreMessages.DeleteAlbumHasGenreResponse.newBuilder()
+                            .setSuccess(false)
+                            .setMessage("Error: " + e.getMessage())
+                            .build();
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(500)
+                    .setPayload(deleteResponse.toByteString());
+        }
+    }
+    }

src/main/java/com/mediamanager/service/delegate/handler/albumhasgenre/GetAlbumHasGenreByIdHandler.java

@@ -0,0 +1,56 @@
+package com.mediamanager.service.delegate.handler.albumhasgenre;
+
+import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.mediamanager.mapper.AlbumHasGenreMapper;
+import com.mediamanager.model.AlbumHasGenre;
+import com.mediamanager.protocol.TransportProtocol;
+import com.mediamanager.protocol.messages.AlbumHasGenreMessages;
+import com.mediamanager.service.delegate.ActionHandler;
+import com.mediamanager.service.delegate.annotation.Action;
+import com.mediamanager.service.albumhasgenre.AlbumHasGenreService;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.Optional;
+
+@Action(value = "albumhasgenre.getById")
+public class GetAlbumHasGenreByIdHandler implements ActionHandler {
+    private static final Logger logger = LogManager.getLogger(GetAlbumHasGenreByIdHandler.class);
+    private final AlbumHasGenreService albumHasGenreService;
+
+    public GetAlbumHasGenreByIdHandler(AlbumHasGenreService albumHasGenreService) {
+        this.albumHasGenreService = albumHasGenreService;
+    }
+
+    @Override
+    public TransportProtocol.Response.Builder handle(ByteString requestPayload)
+        throws InvalidProtocolBufferException{
+
+        try{
+            AlbumHasGenreMessages.GetAlbumHasGenreByIdRequest getByIdRequest =
+                    AlbumHasGenreMessages.GetAlbumHasGenreByIdRequest.parseFrom(requestPayload);
+            int id = getByIdRequest.getId();
+
+            Optional<AlbumHasGenre> albumHasGenreOpt = albumHasGenreService.getAlbumHasGenreById(id);
+
+            if (albumHasGenreOpt.isEmpty()){
+                logger.warn("AlbumHasGenre not found with ID: {}", id);
+                return TransportProtocol.Response.newBuilder()
+                        .setStatusCode(404)
+                        .setPayload(ByteString.copyFromUtf8("AlbumHasGenre not found"));
+            }
+            AlbumHasGenreMessages.AlbumHasGenre albumHasGenreProto = AlbumHasGenreMapper.toProtobuf(albumHasGenreOpt.get());
+            AlbumHasGenreMessages.GetAlbumHasGenreByIdResponse getByIdResponse = AlbumHasGenreMessages.GetAlbumHasGenreByIdResponse.newBuilder()
+                    .setAlbumhasgenre(albumHasGenreProto)
+                    .build();
+            return TransportProtocol.Response.newBuilder()
+                    .setPayload(getByIdResponse.toByteString());
+        } catch (Exception e) {
+            logger.error("Error getting album has genre by ID", e);
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(500)
+                    .setPayload(ByteString.copyFromUtf8("Error: "+ e.getMessage()));
+        }
+    }
+}

src/main/java/com/mediamanager/service/delegate/handler/albumhasgenre/GetAlbumHasGenreHandler.java

@@ -0,0 +1,48 @@
+package com.mediamanager.service.delegate.handler.albumhasgenre;
+
+import com.google.protobuf.ByteString;
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.mediamanager.mapper.AlbumHasGenreMapper;
+import com.mediamanager.model.AlbumHasGenre;
+import com.mediamanager.protocol.TransportProtocol;
+import com.mediamanager.protocol.messages.AlbumHasGenreMessages;
+import com.mediamanager.service.delegate.ActionHandler;
+import com.mediamanager.service.delegate.annotation.Action;
+import com.mediamanager.service.albumhasgenre.AlbumHasGenreService;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.List;
+
+
+@Action("albumhasgenre.getAll")
+public class GetAlbumHasGenreHandler implements ActionHandler {
+    private static final Logger logger = LogManager.getLogger(GetAlbumHasGenreHandler.class);
+
+    private final AlbumHasGenreService albumHasGenreService;
+
+    public GetAlbumHasGenreHandler(AlbumHasGenreService albumHasGenreService){this.albumHasGenreService = albumHasGenreService;}
+
+    @Override
+    public TransportProtocol.Response.Builder handle(ByteString requestPayload) throws InvalidProtocolBufferException {
+        try{
+            List<AlbumHasGenre> albumHasGenres = albumHasGenreService.getAllAlbumHasGenres();
+            AlbumHasGenreMessages.GetAlbumHasGenresResponse.Builder responseBuilder = AlbumHasGenreMessages.GetAlbumHasGenresResponse.newBuilder();
+
+            for (AlbumHasGenre albumHasGenre : albumHasGenres) {
+                AlbumHasGenreMessages.AlbumHasGenre albumHasGenreProto = AlbumHasGenreMapper.toProtobuf(albumHasGenre);
+                responseBuilder.addAlbumhasgenre(albumHasGenreProto);
+            }
+            AlbumHasGenreMessages.GetAlbumHasGenresResponse getAlbumHasGenresResponse = responseBuilder.build();
+
+            return TransportProtocol.Response.newBuilder()
+                    .setPayload(getAlbumHasGenresResponse.toByteString());
+
+        }catch (Exception e){
+            logger.error("Error getting album has genres", e);
+            return TransportProtocol.Response.newBuilder()
+                    .setStatusCode(500)
+                    .setPayload(ByteString.copyFromUtf8("Error: " + e.getMessage()));
+        }
+    }
+}

src/main/proto/album.proto

@@ -0,0 +1,77 @@
+syntax = "proto3";
+
+import "google/protobuf/wrappers.proto";  // ← Adicione esse import!
+
+option java_package = "com.mediamanager.protocol.messages";
+option java_outer_classname = "AlbumMessages";
+
+package mediamanager.messages;
+
+message Album {
+  int32 id = 1;
+  string name = 2;
+  int32 year = 3;
+  int32 number_of_discs = 4;
+  string code = 5;
+  bool is_compilation = 6;
+
+  int32 fk_albumtype_id = 7;
+  int32 fk_albumart_id = 8;
+
+  int64 created_at = 9;
+  int64 updated_at = 10;
+}
+
+message CreateAlbumRequest {
+  string name = 1;
+  int32 year = 2;
+  int32 number_of_discs = 3;
+  string code = 4;
+  bool is_compilation = 5;
+  int32 fk_albumtype_id = 6;
+  int32 fk_albumart_id = 7;
+}
+
+message CreateAlbumResponse {
+  Album album = 1;
+}
+
+message GetAlbumsRequest {
+
+}
+
+message GetAlbumsResponse {
+  repeated Album albums = 1;
+}
+
+message GetAlbumByIdRequest {
+  int32 id = 1;
+}
+
+message GetAlbumByIdResponse {
+  Album album = 1;
+}
+
+message UpdateAlbumRequest {
+  int32 id = 1;
+  string name = 2;
+  google.protobuf.Int32Value year = 3;                    // ← Mudou!
+  google.protobuf.Int32Value number_of_discs = 4;        // ← Mudou!
+  string code = 5;
+  bool is_compilation = 6;
+  google.protobuf.Int32Value fk_albumtype_id = 7;        // ← Mudou!
+  google.protobuf.Int32Value fk_albumart_id = 8;         // ← Mudou!
+}
+
+message UpdateAlbumResponse {
+  Album album = 1;
+}
+
+message DeleteAlbumRequest {
+  int32 id = 1;
+}
+
+message DeleteAlbumResponse {
+  bool success = 1;
+  string message = 2;
+}

src/main/proto/albumhasartist.proto

@@ -0,0 +1,46 @@
+syntax = "proto3";
+
+option java_package = "com.mediamanager.protocol.messages";
+option java_outer_classname = "AlbumHasArtistMessages";
+
+package mediamanager.messages;
+
+message AlbumHasArtist {
+  int32 id = 1;
+  int32 fk_album_id = 2;
+  int32 fk_artist_id = 3;
+}
+
+message CreateAlbumHasArtistRequest {
+  int32 fk_album_id = 1;
+  int32 fk_artist_id = 2;
+}
+
+message CreateAlbumHasArtistResponse {
+  AlbumHasArtist albumhasartist = 1;
+}
+
+message GetAlbumHasArtistsRequest {
+
+}
+
+message GetAlbumHasArtistsResponse {
+  repeated AlbumHasArtist albumhasartist = 1;
+}
+
+message GetAlbumHasArtistByIdRequest {
+  int32 id = 1;
+}
+
+message GetAlbumHasArtistByIdResponse {
+  AlbumHasArtist albumhasartist = 1;
+}
+
+message DeleteAlbumHasArtistRequest {
+  int32 id = 1;
+}
+
+message DeleteAlbumHasArtistResponse {
+  bool success = 1;
+  string message = 2;
+}

src/main/proto/albumhasgenre.proto

@@ -0,0 +1,46 @@
+syntax = "proto3";
+
+option java_package = "com.mediamanager.protocol.messages";
+option java_outer_classname = "AlbumHasGenreMessages";
+
+package mediamanager.messages;
+
+message AlbumHasGenre {
+  int32 id = 1;
+  int32 fk_album_id = 2;
+  int32 fk_genre_id = 3;
+}
+
+message CreateAlbumHasGenreRequest {
+  int32 fk_album_id = 1;
+  int32 fk_genre_id = 2;
+}
+
+message CreateAlbumHasGenreResponse {
+  AlbumHasGenre albumhasgenre = 1;
+}
+
+message GetAlbumHasGenresRequest {
+
+}
+
+message GetAlbumHasGenresResponse {
+  repeated AlbumHasGenre albumhasgenre = 1;
+}
+
+message GetAlbumHasGenreByIdRequest {
+  int32 id = 1;
+}
+
+message GetAlbumHasGenreByIdResponse {
+  AlbumHasGenre albumhasgenre = 1;
+}
+
+message DeleteAlbumHasGenreRequest {
+  int32 id = 1;
+}
+
+message DeleteAlbumHasGenreResponse {
+  bool success = 1;
+  string message = 2;
+}