feat: add media store and store medias

backend/pkg/path/fs.go

@@ -0,0 +1,29 @@
+package path
+
+import (
+	"os"
+
+	"github.com/pkg/errors"
+)
+
+func GetSubDirs(root string) ([]string, error) {
+	fd, err := os.Open(root)
+	if err != nil {
+		return nil, errors.Wrapf(err, "open root directory: %s", root)
+	}
+	defer fd.Close()
+
+	entries, err := fd.Readdir(-1)
+	if err != nil {
+		return nil, errors.Wrapf(err, "read root directory: %s", root)
+	}
+
+	var paths []string
+	for _, entry := range entries {
+		if entry.IsDir() {
+			paths = append(paths, entry.Name())
+		}
+	}
+
+	return paths, nil
+}