feat: use robot to migrate code

Signed-off-by: kubbot & kubecub <3293172751ysy@gmail.com>

pkg/utils/file.go

@@ -1,14 +1,26 @@
 package utils
 
 import (
-	"Open_IM/pkg/common/constant"
 	"fmt"
+	"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
 	"math/rand"
 	"os"
 	"path"
+	"strconv"
+	"strings"
 	"time"
 )
 
+const (
+	BYTE = 1 << (10 * iota)
+	KILOBYTE
+	MEGABYTE
+	GIGABYTE
+	TERABYTE
+	PETABYTE
+	EXABYTE
+)
+
 // Determine whether the given path is a folder
 func IsDir(path string) bool {
 	s, err := os.Stat(path)
@@ -37,3 +49,35 @@ func GetNewFileNameAndContentType(fileName string, fileType int) (string, string
 	}
 	return newName, contentType
 }
+
+func ByteSize(bytes uint64) string {
+	unit := ""
+	value := float64(bytes)
+	switch {
+	case bytes >= EXABYTE:
+		unit = "E"
+		value = value / EXABYTE
+	case bytes >= PETABYTE:
+		unit = "P"
+		value = value / PETABYTE
+	case bytes >= TERABYTE:
+		unit = "T"
+		value = value / TERABYTE
+	case bytes >= GIGABYTE:
+		unit = "G"
+		value = value / GIGABYTE
+	case bytes >= MEGABYTE:
+		unit = "M"
+		value = value / MEGABYTE
+	case bytes >= KILOBYTE:
+		unit = "K"
+		value = value / KILOBYTE
+	case bytes >= BYTE:
+		unit = "B"
+	case bytes == 0:
+		return "0"
+	}
+	result := strconv.FormatFloat(value, 'f', 1, 64)
+	result = strings.TrimSuffix(result, ".0")
+	return result + unit
+}