109 lines
2.7 KiB
Go
109 lines
2.7 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 LibraryRepository struct {
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db *sql.DB
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}
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func NewLibraryRepository(db *sql.DB) *LibraryRepository {
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return &LibraryRepository{db: db}
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}
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func (r *LibraryRepository) GetAll() ([]model.Library, error) {
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rows, err := r.db.Query("SELECT id, name, path, created_at, updated_at FROM libraries")
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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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libraries := []model.Library{}
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for rows.Next() {
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var lib model.Library
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if err := rows.Scan(&lib.ID, &lib.Name, &lib.Path, &lib.CreatedAt, &lib.UpdatedAt); err != nil {
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return nil, err
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}
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libraries = append(libraries, lib)
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}
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return libraries, nil
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}
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func (r *LibraryRepository) GetByID(id int) (model.Library, error) {
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row := r.db.QueryRow("SELECT id, name, path, COALESCE(created_at, '1970-01-01T00:00:00Z'), COALESCE(updated_at, '1970-01-01T00:00:00Z') FROM libraries WHERE id = ?", id)
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var lib model.Library
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if err := row.Scan(&lib.ID, &lib.Name, &lib.Path, &lib.CreatedAt, &lib.UpdatedAt); err != nil {
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return model.Library{}, err
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}
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return lib, nil
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}
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func (r *LibraryRepository) Create(name, path string) (model.Library, error) {
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result, err := r.db.Exec("INSERT INTO libraries (name, path) VALUES (?, ?)", name, path)
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if err != nil {
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return model.Library{}, 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.Library{}, err
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}
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return model.Library{
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ID: int(id),
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Name: name,
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Path: path,
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}, nil
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}
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func (r *LibraryRepository) UpdateName(id int, name string) error {
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_, err := r.db.Exec("UPDATE libraries SET name = ?, updated_at = CURRENT_TIMESTAMP WHERE id = ?", name, id)
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return err
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}
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func (r *LibraryRepository) UpdatePath(id int, path string) error {
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_, err := r.db.Exec("UPDATE libraries SET path = ?, updated_at = CURRENT_TIMESTAMP WHERE id = ?", path, id)
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return err
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}
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func (r *LibraryRepository) Delete(id int) error {
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tx, err := r.db.Begin()
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if err != nil {
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return err
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}
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defer tx.Rollback()
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// Delete the library — CASCADE removes media_files and songs automatically
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_, err = tx.Exec("DELETE FROM libraries WHERE id = ?", id)
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if err != nil {
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return err
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}
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// Clean up orphan albums (no songs reference them)
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_, err = tx.Exec(`
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DELETE FROM albums WHERE id NOT IN (
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SELECT DISTINCT album_id FROM songs WHERE album_id IS NOT NULL
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)
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`)
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if err != nil {
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return err
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}
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// Clean up orphan artists (no songs and no albums reference them)
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_, err = tx.Exec(`
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DELETE FROM artists WHERE id NOT IN (
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SELECT DISTINCT artist_id FROM songs WHERE artist_id IS NOT NULL
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UNION
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SELECT DISTINCT artist_id FROM albums WHERE artist_id IS NOT NULL
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)
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`)
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if err != nil {
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return err
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}
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return tx.Commit()
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}
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