Splits bleve.Index and database in two

album_database.go

@@ -0,0 +1,27 @@
+package main
+
+import "github.com/peterbourgon/diskv"
+
+type AlbumDatabase struct {
+	db *diskv.Diskv
+}
+
+func OpenAlbumDatabase(basepath string) (*AlbumDatabase, error) {
+	return nil, notYetImplemented()
+}
+
+func (db *AlbumDatabase) AddOrUpdate(*Album) error {
+	return notYetImplemented()
+}
+
+func (db *AlbumDatabase) Delete(AlbumID) error {
+	return notYetImplemented()
+}
+
+func (db *AlbumDatabase) Get(AlbumID) (*Album, error) {
+	return nil, notYetImplemented()
+}
+
+func (db *AlbumDatabase) ByPurchaseDate() ([]*Album, error) {
+	return nil, notYetImplemented()
+}