feat(ipc): add an endpoint for getting current track (#911)

backend/mediaprovider/model.go

@@ -1,6 +1,7 @@
 package mediaprovider
 
 import (
+	"slices"
 	"time"
 
 	"fyne.io/fyne/v2"
@@ -205,11 +206,14 @@ type SavedPlayQueue struct {
 }
 
 type RadioStation struct {
-	Name        string
 	ID          string
+	StationName string
 	HomePageURL string
 	StreamURL   string
-	CoverArtID  string
+
+	Title      string
+	Artists    []string
+	CoverArtID string
 }
 
 type MediaItemType int
@@ -267,16 +271,30 @@ func (r *RadioStation) Metadata() MediaItemMetadata {
 	if r == nil {
 		return MediaItemMetadata{}
 	}
+	name := r.Title
+	if name == "" {
+		name = r.StationName
+	}
 	return MediaItemMetadata{
 		Type:       MediaItemTypeRadioStation,
 		ID:         r.ID,
-		Name:       r.Name,
+		Name:       name,
 		CoverArtID: r.CoverArtID,
+		Artists:    r.Artists,
 	}
 }
 
 func (r *RadioStation) Copy() MediaItem {
-	return r // no need to copy since RadioStations are immutable
+	return &RadioStation{
+		ID:          r.ID,
+		StationName: r.StationName,
+		HomePageURL: r.HomePageURL,
+		StreamURL:   r.StreamURL,
+
+		Title:      r.Title,
+		Artists:    slices.Clone(r.Artists),
+		CoverArtID: r.CoverArtID,
+	}
 }
 
 type ContentType int

backend/mediaprovider/subsonic/searchall.go

@@ -70,7 +70,7 @@ func (s *subsonicMediaProvider) SearchAll(searchQuery string, maxResults int) ([
 		r, e := s.GetRadioStations()
 		if e == nil {
 			radios = sharedutil.FilterSlice(r, func(r *mediaprovider.RadioStation) bool {
-				return helpers.AllTermsMatch(strings.ToLower(sanitize.Accents(r.Name)), queryLowerWords)
+				return helpers.AllTermsMatch(strings.ToLower(sanitize.Accents(r.StationName)), queryLowerWords)
 			})
 		}
 		wg.Done()
@@ -156,7 +156,7 @@ func mergeResults(
 		results = append(results, &mediaprovider.SearchResult{
 			Type: mediaprovider.ContentTypeRadioStation,
 			ID:   r.ID,
-			Name: r.Name,
+			Name: r.StationName,
 			Item: r,
 		})
 	}

backend/mediaprovider/subsonic/subsonicmediaprovider.go

@@ -505,7 +505,7 @@ func (s *subsonicMediaProvider) GetRadioStations() ([]*mediaprovider.RadioStatio
 		return &mediaprovider.RadioStation{
 			// TODO - subsonic library is missing ID in its radiostation object. add it
 			ID:          "radio-" + strings.ReplaceAll(rs.Name, " ", ""),
-			Name:        rs.Name,
+			StationName: rs.Name,
 			HomePageURL: rs.HomePageUrl,
 			StreamURL:   rs.StreamUrl,
 			CoverArtID:  rs.CoverArt,