navidrome/persistence/sql_genres.go

111 lines
2.6 KiB
Go

package persistence
import (
. "github.com/Masterminds/squirrel"
"github.com/navidrome/navidrome/model"
)
func (r sqlRepository) withGenres(sql SelectBuilder) SelectBuilder {
return sql.LeftJoin(r.tableName + "_genres ag on " + r.tableName + ".id = ag." + r.tableName + "_id").
LeftJoin("genre on ag.genre_id = genre.id")
}
func (r *sqlRepository) updateGenres(id string, tableName string, genres model.Genres) error {
del := Delete(tableName + "_genres").Where(Eq{tableName + "_id": id})
_, err := r.executeSQL(del)
if err != nil {
return err
}
if len(genres) == 0 {
return nil
}
ins := Insert(tableName+"_genres").Columns("genre_id", tableName+"_id")
for _, g := range genres {
ins = ins.Values(g.ID, id)
}
_, err = r.executeSQL(ins)
return err
}
func (r *sqlRepository) loadMediaFileGenres(mfs *model.MediaFiles) error {
var ids []string
m := map[string]*model.MediaFile{}
for i := range *mfs {
mf := &(*mfs)[i]
ids = append(ids, mf.ID)
m[mf.ID] = mf
}
sql := Select("g.*", "mg.media_file_id").From("genre g").Join("media_file_genres mg on mg.genre_id = g.id").
Where(Eq{"mg.media_file_id": ids}).OrderBy("mg.media_file_id", "mg.rowid")
var genres []struct {
model.Genre
MediaFileId string
}
err := r.queryAll(sql, &genres)
if err != nil {
return err
}
for _, g := range genres {
mf := m[g.MediaFileId]
mf.Genres = append(mf.Genres, g.Genre)
}
return nil
}
func (r *sqlRepository) loadAlbumGenres(mfs *model.Albums) error {
var ids []string
m := map[string]*model.Album{}
for i := range *mfs {
mf := &(*mfs)[i]
ids = append(ids, mf.ID)
m[mf.ID] = mf
}
sql := Select("g.*", "ag.album_id").From("genre g").Join("album_genres ag on ag.genre_id = g.id").
Where(Eq{"ag.album_id": ids}).OrderBy("ag.album_id", "ag.rowid")
var genres []struct {
model.Genre
AlbumId string
}
err := r.queryAll(sql, &genres)
if err != nil {
return err
}
for _, g := range genres {
mf := m[g.AlbumId]
mf.Genres = append(mf.Genres, g.Genre)
}
return nil
}
func (r *sqlRepository) loadArtistGenres(mfs *model.Artists) error {
var ids []string
m := map[string]*model.Artist{}
for i := range *mfs {
mf := &(*mfs)[i]
ids = append(ids, mf.ID)
m[mf.ID] = mf
}
sql := Select("g.*", "ag.artist_id").From("genre g").Join("artist_genres ag on ag.genre_id = g.id").
Where(Eq{"ag.artist_id": ids}).OrderBy("ag.artist_id", "ag.rowid")
var genres []struct {
model.Genre
ArtistId string
}
err := r.queryAll(sql, &genres)
if err != nil {
return err
}
for _, g := range genres {
mf := m[g.ArtistId]
mf.Genres = append(mf.Genres, g.Genre)
}
return nil
}