fix: jobs

backend/pkg/utils/fs/fs.go

@@ -0,0 +1,37 @@
+package fs
+
+import (
+	"io"
+	"os"
+)
+
+// CopyFile
+func CopyFile(src, dst string) error {
+	in, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer in.Close()
+
+	out, err := os.Create(dst)
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+
+	_, err = io.Copy(out, in)
+	if err != nil {
+		return err
+	}
+
+	return out.Close()
+}
+
+// FileSize
+func FileSize(file string) int64 {
+	fi, err := os.Stat(file)
+	if err != nil {
+		return 0
+	}
+	return fi.Size()
+}

backend/pkg/utils/md5.go

@@ -0,0 +1,28 @@
+package utils
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+	"io"
+	"os"
+)
+
+// FileMd5 calculates the md5 of a file
+func FileMd5(file string) (string, error) {
+	f, err := os.Open(file)
+	if err != nil {
+		return "", err
+	}
+
+	h := md5.New()
+	if _, err := io.Copy(h, f); err != nil {
+		return "", err
+	}
+	return hex.EncodeToString(h.Sum(nil)), nil
+}
+
+func StringMd5(s string) string {
+	h := md5.New()
+	h.Write([]byte(s))
+	return hex.EncodeToString(h.Sum(nil))
+}