player checks now if file exists before loading it

1 files changed, 18 insertions, 0 deletions

diff --git a/player/player.go b/player/player.go
index 95bab81..90c607c 100644
--- a/player/player.go
+++ b/player/player.go
@@ -29,6 +29,7 @@ import (
 	"github.com/spreadspace/go-gstreamer"
 	"io/ioutil"
 	"log"
+	"os"
 	"path"
 )
 
@@ -109,6 +110,23 @@ func (p *Player) onMessage(msg *gst.Message) {
 
 func (p *Player) load(cart, cut uint) (resp loadResult) {
 	filename := path.Join(p.basepath, fmt.Sprintf("%06d_%03d.wav", cart, cut))
+
+	var file *os.File
+	if file, resp.err = os.Open(filename); resp.err != nil {
+		resp.err = fmt.Errorf("player: %s", resp.err)
+		return
+	}
+	if info, err := file.Stat(); err != nil {
+		resp.err = fmt.Errorf("player: %s", err)
+		return
+	} else {
+		if info.IsDir() {
+			resp.err = fmt.Errorf("player error: '%s' is a directory", filename)
+			return
+		}
+	}
+	file.Close()
+
 	p.pipe.SetProperty("uri", "file://"+filename)
 	p.pipe.SetState(gst.STATE_PAUSED)
 	return