126 lines
2.9 KiB
Go
126 lines
2.9 KiB
Go
package repository
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import (
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"butterfliu/internal/model"
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"database/sql"
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)
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type AlbumRepository struct {
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db *sql.DB
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}
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func NewAlbumRepository(db *sql.DB) *AlbumRepository {
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return &AlbumRepository{db: db}
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}
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func (r *AlbumRepository) Get(id int) (model.Album, error) {
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row := r.db.QueryRow("SELECT id, title, artist_id FROM albums WHERE id = ?", id)
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var album model.Album
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if err := row.Scan(&album.ID, &album.Title, &album.ArtistID); err != nil {
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return model.Album{}, err
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}
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return album, nil
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}
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func (r *AlbumRepository) GetByTitleAndArtist(title string, artistID int) (model.Album, error) {
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row := r.db.QueryRow(`
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SELECT id, title, artist_id, COALESCE(cover, ''), COALESCE(year, 0)
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FROM albums WHERE title = ? AND artist_id = ?
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`)
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var album model.Album
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if err := row.Scan(&album.ID, &album.Title, &album.ArtistID, &album.Cover, &album.Year); err != nil {
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return model.Album{}, err
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}
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return album, nil
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}
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func (r *AlbumRepository) Create(title string, artistID int) (model.Album, error) {
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result, err := r.db.Exec("INSERT INTO albums (title, artist_id) VALUES (?, ?)", title, artistID)
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if err != nil {
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return model.Album{}, err
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}
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id, err := result.LastInsertId()
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if err != nil {
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return model.Album{}, err
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}
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return model.Album{
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ID: int(id),
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Title: title,
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ArtistID: artistID,
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}, nil
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}
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func (r *AlbumRepository) GetAll() ([]model.Album, error) {
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rows, err := r.db.Query("SELECT id, title, artist_id FROM albums")
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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albums := []model.Album{}
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for rows.Next() {
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var album model.Album
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if err := rows.Scan(&album.ID, &album.Title, &album.ArtistID); err != nil {
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return nil, err
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}
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albums = append(albums, album)
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}
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return albums, nil
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}
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func (r *AlbumRepository) GetByArtist(artistID int) ([]model.Album, error) {
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rows, err := r.db.Query("SELECT id, title, artist_id FROM albums WHERE artist_id = ?", artistID)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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albums := []model.Album{}
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for rows.Next() {
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var album model.Album
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if err := rows.Scan(&album.ID, &album.Title, &album.ArtistID); err != nil {
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return nil, err
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}
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albums = append(albums, album)
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}
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return albums, nil
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}
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func (r *AlbumRepository) GetIDsByArtist(artistID int) ([]int, error) {
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rows, err := r.db.Query("SELECT id FROM albums WHERE artist_id = ?", artistID)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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ids := []int{}
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for rows.Next() {
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var id int
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if err := rows.Scan(&id); err != nil {
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return nil, err
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}
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ids = append(ids, id)
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}
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return ids, nil
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}
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func (r *AlbumRepository) GetSongIDs(albumID int) ([]int, error) {
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rows, err := r.db.Query("SELECT id FROM songs WHERE album_id = ?", albumID)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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ids := []int{}
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for rows.Next() {
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var id int
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if err := rows.Scan(&id); err != nil {
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return nil, err
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}
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ids = append(ids, id)
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}
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return ids, nil
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}
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