Add util package

internal/util/fstat.go

@@ -0,0 +1,30 @@
+package util
+
+import (
+	"errors"
+	"os"
+
+	"github.com/ClusterCockpit/cc-backend/pkg/log"
+)
+
+func CheckFileExists(filePath string) bool {
+	_, err := os.Stat(filePath)
+	return !errors.Is(err, os.ErrNotExist)
+}
+
+func GetFilesize(filePath string) int64 {
+	fileInfo, err := os.Stat(filePath)
+	if err != nil {
+		log.Errorf("Error on Stat %s: %v", filePath, err)
+	}
+	return fileInfo.Size()
+}
+
+func GetFilecount(path string) int {
+	files, err := os.ReadDir(path)
+	if err != nil {
+		log.Errorf("Error on ReadDir %s: %v", path, err)
+	}
+
+	return len(files)
+}