ctrlsubsonic: implement getGenres

server/ctrlsubsonic/handlers_by_tags.go

@@ -275,3 +275,22 @@ func (c *Controller) ServeGetArtistInfoTwo(r *http.Request) *spec.Response {
 	}
 	return sub
 }
+
+func (c *Controller) ServeGetGenres(r *http.Request) *spec.Response {
+	var genres []*db.Genre
+	c.DB.
+		Select(`*,
+(SELECT count(id) FROM albums WHERE tag_genre_id=genres.id) album_count,
+(SELECT count(id) FROM tracks WHERE tag_genre_id=genres.id) track_count`).
+		Group("genres.id").
+		Find(&genres)
+
+	sub := spec.NewResponse()
+	sub.Genres = &spec.Genres{
+		List: make([]*spec.Genre, len(genres)),
+	}
+	for i, genre := range genres {
+		sub.Genres.List[i] = spec.NewGenre(genre)
+	}
+	return sub
+}

server/ctrlsubsonic/handlers_unimplemented.go

@@ -1,17 +1,4 @@
 package ctrlsubsonic
 
-import (
-	"net/http"
-
-	"senan.xyz/g/gonic/server/ctrlsubsonic/spec"
-)
-
 // NOTE: when these are implemented, they should be moved to their
 // respective _by_folder or _by_tag file
-
-func (c *Controller) ServeGetGenres(r *http.Request) *spec.Response {
-	sub := spec.NewResponse()
-	sub.Genres = &spec.Genres{}
-	sub.Genres.List = []*spec.Genre{}
-	return sub
-}

server/ctrlsubsonic/spec/construct_by_tags.go

@@ -72,3 +72,11 @@ func NewArtistByTags(a *db.Artist) *Artist {
 		AlbumCount: a.AlbumCount,
 	}
 }
+
+func NewGenre(g *db.Genre) *Genre {
+	return &Genre{
+		Name: g.Name,
+		AlbumCount: g.AlbumCount,
+		SongCount: g.TrackCount,
+	}
+}

server/ctrlsubsonic/spec/spec.go

@@ -250,8 +250,9 @@ type Genres struct {
 }
 
 type Genre struct {
-	SongCount  string `xml:"songCount,attr"`
-	AlbumCount string `xml:"albumCount,attr"`
+	Name       string `xml:",chardata",json:"value"`
+	SongCount  int    `xml:"songCount,attr,omitempty" json:"songCount,omitempty"`
+	AlbumCount int    `xml:"albumCount,attr,omitempty" json:"albumCount,omitempty"`
 }
 
 type PlayQueue struct {

server/server.go

@@ -161,8 +161,8 @@ func setupSubsonic(r *mux.Router, ctrl *ctrlsubsonic.Controller) {
 	r.Handle("/getMusicDirectory{_:(?:\\.view)?}", ctrl.H(ctrl.ServeGetMusicDirectory))
 	r.Handle("/getAlbumList{_:(?:\\.view)?}", ctrl.H(ctrl.ServeGetAlbumList))
 	r.Handle("/search2{_:(?:\\.view)?}", ctrl.H(ctrl.ServeSearchTwo))
-	// ** begin unimplemented
 	r.Handle("/getGenres{_:(?:\\.view)?}", ctrl.H(ctrl.ServeGetGenres))
+	// ** begin unimplemented
 	// middlewares should be run for not found handler
 	// https://github.com/gorilla/mux/issues/416
 	notFoundHandler := ctrl.H(ctrl.ServeNotFound)