Playlists working

engine/playlists.go

@@ -6,16 +6,68 @@ import (
 
 type Playlists interface {
 	GetAll() (*domain.Playlists, error)
+	Get(id string) (*PlaylistInfo, error)
+}
+
+func NewPlaylists(pr domain.PlaylistRepository, mr domain.MediaFileRepository) Playlists {
+	return playlists{pr, mr}
 }
 
 type playlists struct {
-	plsRepo domain.PlaylistRepository
-}
-
-func NewPlaylists(pr domain.PlaylistRepository) Playlists {
-	return playlists{pr}
+	plsRepo   domain.PlaylistRepository
+	mfileRepo domain.MediaFileRepository
 }
 
 func (p playlists) GetAll() (*domain.Playlists, error) {
 	return p.plsRepo.GetAll(domain.QueryOptions{})
 }
+
+type PlaylistInfo struct {
+	Id      string
+	Name    string
+	Entries []Child
+}
+
+func (p playlists) Get(id string) (*PlaylistInfo, error) {
+	pl, err := p.plsRepo.Get(id)
+	if err != nil {
+		return nil, err
+	}
+
+	if pl == nil {
+		return nil, DataNotFound
+	}
+
+	pinfo := &PlaylistInfo{Id: pl.Id, Name: pl.Name}
+	pinfo.Entries = make([]Child, len(pl.Tracks))
+
+	// TODO Optimize: Get all tracks at once
+	for i, mfId := range pl.Tracks {
+		mf, err := p.mfileRepo.Get(mfId)
+		if err != nil {
+			return nil, err
+		}
+		pinfo.Entries[i].Id = mf.Id
+		pinfo.Entries[i].Title = mf.Title
+		pinfo.Entries[i].IsDir = false
+		pinfo.Entries[i].Parent = mf.AlbumId
+		pinfo.Entries[i].Album = mf.Album
+		pinfo.Entries[i].Year = mf.Year
+		pinfo.Entries[i].Artist = mf.Artist
+		pinfo.Entries[i].Genre = mf.Genre
+		//pinfo.Entries[i].Track = mf.TrackNumber
+		pinfo.Entries[i].Duration = mf.Duration
+		pinfo.Entries[i].Size = mf.Size
+		pinfo.Entries[i].Suffix = mf.Suffix
+		pinfo.Entries[i].BitRate = mf.BitRate
+		if mf.Starred {
+			pinfo.Entries[i].Starred = mf.UpdatedAt
+		}
+		if mf.HasCoverArt {
+			pinfo.Entries[i].CoverArt = mf.Id
+		}
+		pinfo.Entries[i].ContentType = mf.ContentType()
+	}
+
+	return pinfo, nil
+}