add init browse by folder

handler/handler_sub_by_folder.go

@@ -0,0 +1,39 @@
+package handler
+
+import (
+	"net/http"
+
+	"github.com/sentriz/gonic/db"
+	"github.com/sentriz/gonic/subsonic"
+)
+
+func (c *Controller) GetIndexes(w http.ResponseWriter, r *http.Request) {
+	// we are browsing by folder, but the subsonic docs show sub <artist> elements
+	// for this, so we're going to return root directories as "artists"
+	var folders []*db.Folder
+	c.DB.Where("parent_id = ?", 1).Find(&folders)
+	var indexMap = make(map[rune]*subsonic.Index)
+	var indexes []*subsonic.Index
+	for _, folder := range folders {
+		i := indexOf(folder.Name)
+		index, ok := indexMap[i]
+		if !ok {
+			index = &subsonic.Index{
+				Name:    string(i),
+				Artists: []*subsonic.Artist{},
+			}
+			indexMap[i] = index
+			indexes = append(indexes, index)
+		}
+		index.Artists = append(index.Artists, &subsonic.Artist{
+			ID:   folder.ID,
+			Name: folder.Name,
+		})
+	}
+	sub := subsonic.NewResponse()
+	sub.Artists = indexes
+	respond(w, r, sub)
+}
+
+func (c *Controller) GetMusicDirectory(w http.ResponseWriter, r *http.Request) {
+}