Show fileSize.

object/store.go

@@ -10,6 +10,7 @@ import (
 type File struct {
 	Key          string  `xorm:"varchar(100)" json:"key"`
 	Title        string  `xorm:"varchar(100)" json:"title"`
+	FileSize     int64   `json:"fileSize"`
 	ModifiedTime string  `xorm:"varchar(100)" json:"modifiedTime"`
 	IsLeaf       bool    `json:"isLeaf"`
 	Children     []*File `xorm:"varchar(1000)" json:"children"`

object/store_provider.go

@@ -1,6 +1,7 @@
 package object
 
 import (
+	"fmt"
 	"strings"
 	"time"
 
@@ -8,7 +9,7 @@ import (
 	"github.com/casbin/casbase/util"
 )
 
-func (store *Store) createPathIfNotExisted(tokens []string, lastModifiedTime string, isLeaf bool) {
+func (store *Store) createPathIfNotExisted(tokens []string, fileSize int64, lastModifiedTime string, isLeaf bool) {
 	currentFile := store.FileTree
 	if currentFile == nil {
 		currentFile = &File{
@@ -51,6 +52,10 @@ func (store *Store) createPathIfNotExisted(tokens []string, lastModifiedTime str
 		}
 
 		if i == len(tokens)-1 {
+			if newFile.IsLeaf {
+				newFile.Title = fmt.Sprintf("%s (%s)", token, util.GetFileSizeString(fileSize))
+			}
+			newFile.FileSize = fileSize
 			newFile.ModifiedTime = lastModifiedTime
 		}
 
@@ -70,8 +75,10 @@ func (store *Store) Populate() {
 			isLeaf = false
 		}
 
+		fileSize := object.Size
+
 		tokens := strings.Split(strings.Trim(object.Key, "/"), "/")
-		store.createPathIfNotExisted(tokens, lastModifiedTime, isLeaf)
+		store.createPathIfNotExisted(tokens, fileSize, lastModifiedTime, isLeaf)
 
 		//fmt.Printf("%s, %d, %v\n", object.Key, object.Size, object.LastModified)
 	}

util/file.go

@@ -2,6 +2,7 @@ package util
 
 import (
 	"bufio"
+	"fmt"
 	"os"
 	"strings"
 )
@@ -112,3 +113,18 @@ func LoadVectorFileBySpace(path string) ([]string, [][]float64) {
 
 	return nameArray, dataArray
 }
+
+//https://yourbasic.org/golang/formatting-byte-size-to-human-readable-format/
+func GetFileSizeString(b int64) string {
+	const unit = 1000
+	if b < unit {
+		return fmt.Sprintf("%d B", b)
+	}
+	div, exp := int64(unit), 0
+	for n := b / unit; n >= unit; n /= unit {
+		div *= unit
+		exp++
+	}
+	return fmt.Sprintf("%.1f %cB",
+		float64(b)/float64(div), "kMGTPE"[exp])
+}