86 lines
1.9 KiB
Go
86 lines
1.9 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 ArtistRepository struct {
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db *sql.DB
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}
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func NewArtistRepository(db *sql.DB) *ArtistRepository {
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return &ArtistRepository{db: db}
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}
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func (r *ArtistRepository) Get(id int) (model.Artist, error) {
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row := r.db.QueryRow("SELECT id, name FROM artists WHERE id = ?", id)
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var artist model.Artist
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if err := row.Scan(&artist.ID, &artist.Name); err != nil {
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return model.Artist{}, err
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}
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return artist, nil
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}
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func (r *ArtistRepository) GetByName(name string) (model.Artist, error) {
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row := r.db.QueryRow("SELECT id, name FROM artists WHERE name = ?", name)
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var artist model.Artist
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if err := row.Scan(&artist.ID, &artist.Name); err != nil {
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return model.Artist{}, err
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}
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return artist, nil
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}
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func (r *ArtistRepository) Create(name string) (model.Artist, error) {
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result, err := r.db.Exec("INSERT INTO artists (name) VALUES (?)", name)
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if err != nil {
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return model.Artist{}, 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.Artist{}, err
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}
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return model.Artist{
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ID: int(id),
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Name: name,
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}, nil
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}
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func (r *ArtistRepository) GetAll() ([]model.Artist, error) {
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rows, err := r.db.Query("SELECT id, name FROM artists")
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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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artists := []model.Artist{}
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for rows.Next() {
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var artist model.Artist
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if err := rows.Scan(&artist.ID, &artist.Name); err != nil {
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return nil, err
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}
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artists = append(artists, artist)
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}
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return artists, nil
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}
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func (r *ArtistRepository) GetSongIDsByArtist(artistID int) ([]int, error) {
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rows, err := r.db.Query("SELECT id FROM songs 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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