Refactor loadGenres, remove duplication

This commit is contained in:
Deluan 2024-04-28 14:31:15 -04:00
parent de90152a71
commit 31fcab07d2
7 changed files with 68 additions and 82 deletions

View File

@ -162,7 +162,7 @@ func (r *albumRepository) Get(id string) (*model.Album, error) {
return nil, model.ErrNotFound
}
res := dba.toModels()
err := r.loadAlbumGenres(&res)
err := loadAllGenres(r, res)
return &res[0], err
}
@ -171,7 +171,7 @@ func (r *albumRepository) Put(m *model.Album) error {
if err != nil {
return err
}
return r.updateGenres(m.ID, r.tableName, m.Genres)
return r.updateGenres(m.ID, m.Genres)
}
func (r *albumRepository) GetAll(options ...model.QueryOptions) (model.Albums, error) {
@ -179,7 +179,7 @@ func (r *albumRepository) GetAll(options ...model.QueryOptions) (model.Albums, e
if err != nil {
return nil, err
}
err = r.loadAlbumGenres(&res)
err = loadAllGenres(r, res)
return res, err
}
@ -211,7 +211,7 @@ func (r *albumRepository) Search(q string, offset int, size int) (model.Albums,
return nil, err
}
res := dba.toModels()
err = r.loadAlbumGenres(&res)
err = loadAllGenres(r, res)
return res, err
}

View File

@ -100,9 +100,9 @@ func (r *artistRepository) Put(a *model.Artist, colsToUpdate ...string) error {
return err
}
if a.ID == consts.VariousArtistsID {
return r.updateGenres(a.ID, r.tableName, nil)
return r.updateGenres(a.ID, nil)
}
return r.updateGenres(a.ID, r.tableName, a.Genres)
return r.updateGenres(a.ID, a.Genres)
}
func (r *artistRepository) Get(id string) (*model.Artist, error) {
@ -115,7 +115,7 @@ func (r *artistRepository) Get(id string) (*model.Artist, error) {
return nil, model.ErrNotFound
}
res := r.toModels(dba)
err := r.loadArtistGenres(&res)
err := loadAllGenres(r, res)
return &res[0], err
}
@ -127,7 +127,7 @@ func (r *artistRepository) GetAll(options ...model.QueryOptions) (model.Artists,
return nil, err
}
res := r.toModels(dba)
err = r.loadArtistGenres(&res)
err = loadAllGenres(r, res)
return res, err
}

View File

@ -65,7 +65,7 @@ func (r *mediaFileRepository) Put(m *model.MediaFile) error {
if err != nil {
return err
}
return r.updateGenres(m.ID, r.tableName, m.Genres)
return r.updateGenres(m.ID, m.Genres)
}
func (r *mediaFileRepository) selectMediaFile(options ...model.QueryOptions) SelectBuilder {
@ -94,7 +94,7 @@ func (r *mediaFileRepository) Get(id string) (*model.MediaFile, error) {
if len(res) == 0 {
return nil, model.ErrNotFound
}
err := r.loadMediaFileGenres(&res)
err := loadAllGenres(r, res)
return &res[0], err
}
@ -105,7 +105,7 @@ func (r *mediaFileRepository) GetAll(options ...model.QueryOptions) (model.Media
if err != nil {
return nil, err
}
err = r.loadMediaFileGenres(&res)
err = loadAllGenres(r, res)
return res, err
}
@ -200,7 +200,7 @@ func (r *mediaFileRepository) Search(q string, offset int, size int) (model.Medi
if err != nil {
return nil, err
}
err = r.loadMediaFileGenres(&results)
err = loadAllGenres(r, results)
return results, err
}

View File

@ -80,7 +80,7 @@ func (r *playlistTrackRepository) GetAll(options ...model.QueryOptions) (model.P
return nil, err
}
mfs := tracks.MediaFiles()
err = r.loadMediaFileGenres(&mfs)
err = loadAllGenres(r, mfs)
if err != nil {
log.Error(r.ctx, "Error loading genres for playlist", "playlist", r.playlist.Name, "id", r.playlist.ID, err)
return nil, err

View File

@ -42,6 +42,10 @@ func loggedUser(ctx context.Context) *model.User {
}
}
func (r sqlRepository) getTableName() string {
return r.tableName
}
func (r sqlRepository) newSelect(options ...model.QueryOptions) SelectBuilder {
sq := Select().From(r.tableName)
sq = r.applyOptions(sq, options...)

View File

@ -104,7 +104,7 @@ func (r sqlRepository) GetBookmarks() (model.Bookmarks, error) {
log.Error(r.ctx, "Error getting mediafiles with bookmarks", "user", user.UserName, err)
return nil, err
}
err = r.loadMediaFileGenres(&mfs)
err = loadAllGenres(r, mfs)
if err != nil {
log.Error(r.ctx, "Error loading genres for bookmarked songs", "user", user.UserName, err)
return nil, err

View File

@ -11,7 +11,8 @@ func (r sqlRepository) withGenres(sql SelectBuilder) SelectBuilder {
LeftJoin("genre on ag.genre_id = genre.id")
}
func (r *sqlRepository) updateGenres(id string, tableName string, genres model.Genres) error {
func (r *sqlRepository) updateGenres(id string, genres model.Genres) error {
tableName := r.getTableName()
del := Delete(tableName + "_genres").Where(Eq{tableName + "_id": id})
_, err := r.executeSQL(del)
if err != nil {
@ -36,89 +37,70 @@ func (r *sqlRepository) updateGenres(id string, tableName string, genres model.G
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
}
type baseRepository interface {
queryAll(SelectBuilder, any, ...model.QueryOptions) error
getTableName() string
}
type modelWithGenres interface {
model.Album | model.Artist | model.MediaFile
}
func getID[T modelWithGenres](item T) string {
switch v := any(item).(type) {
case model.Album:
return v.ID
case model.Artist:
return v.ID
case model.MediaFile:
return v.ID
}
return ""
}
func appendGenre[T modelWithGenres](item *T, genre model.Genre) {
switch v := any(item).(type) {
case *model.Album:
v.Genres = append(v.Genres, genre)
case *model.Artist:
v.Genres = append(v.Genres, genre)
case *model.MediaFile:
v.Genres = append(v.Genres, genre)
}
}
func loadGenres[T modelWithGenres](r baseRepository, ids []string, items map[string]*T) error {
tableName := r.getTableName()
return slice.RangeByChunks(ids, 900, func(ids []string) error {
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")
sql := Select("genre.*", tableName+"_id as item_id").From("genre").
Join(tableName+"_genres ig on genre.id = ig.genre_id").
OrderBy(tableName+"_id", "ig.rowid").Where(Eq{tableName + "_id": ids})
var genres []struct {
model.Genre
MediaFileId string
ItemID 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)
appendGenre(items[g.ItemID], g.Genre)
}
return nil
})
}
func (r *sqlRepository) loadAlbumGenres(mfs *model.Albums) error {
func loadAllGenres[T modelWithGenres](r baseRepository, items []T) error {
// Map references to items by ID and collect all IDs
m := map[string]*T{}
var ids []string
m := map[string]*model.Album{}
for i := range *mfs {
mf := &(*mfs)[i]
ids = append(ids, mf.ID)
m[mf.ID] = mf
for i := range items {
item := &(items)[i]
id := getID(*item)
ids = append(ids, id)
m[id] = item
}
return slice.RangeByChunks(ids, 900, func(ids []string) error {
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
}
return slice.RangeByChunks(ids, 900, func(ids []string) error {
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
})
return loadGenres(r, ids, m)
}