Use a simple format for the big number on ui (#12822)

* Use a simple format for the big number on ui

Signed-off-by: a1012112796 <1012112796@qq.com>

* make fmt

* Apply review suggestion @silverwind

* Change name 2

* make fmt

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

modules/base/tool.go

@@ -420,3 +420,27 @@ func SetupGiteaRoot() string {
 	}
 	return giteaRoot
 }
+
+// FormatNumberSI format a number
+func FormatNumberSI(data interface{}) string {
+	var num int64
+	if num1, ok := data.(int64); ok {
+		num = num1
+	} else if num1, ok := data.(int); ok {
+		num = int64(num1)
+	} else {
+		return ""
+	}
+
+	if num < 1000 {
+		return fmt.Sprintf("%d", num)
+	} else if num < 1000000 {
+		num2 := float32(num) / float32(1000.0)
+		return fmt.Sprintf("%.1fk", num2)
+	} else if num < 1000000000 {
+		num2 := float32(num) / float32(1000000.0)
+		return fmt.Sprintf("%.1fM", num2)
+	}
+	num2 := float32(num) / float32(1000000000.0)
+	return fmt.Sprintf("%.1fG", num2)
+}

modules/base/tool_test.go

@@ -223,5 +223,13 @@ func TestIsTextFile(t *testing.T) {
 	assert.True(t, IsTextFile([]byte("lorem ipsum")))
 }
 
+func TestFormatNumberSI(t *testing.T) {
+	assert.Equal(t, "125", FormatNumberSI(int(125)))
+	assert.Equal(t, "1.3k", FormatNumberSI(int64(1317)))
+	assert.Equal(t, "21.3M", FormatNumberSI(21317675))
+	assert.Equal(t, "45.7G", FormatNumberSI(45721317675))
+	assert.Equal(t, "", FormatNumberSI("test"))
+}
+
 // TODO: IsImageFile(), currently no idea how to test
 // TODO: IsPDFFile(), currently no idea how to test