Refactor size formatting for readability

util/common/format.go

@@ -4,18 +4,14 @@ import (
 	"fmt"
 )
 
-func FormatTraffic(trafficBytes int64) (size string) {
-	if trafficBytes < 1024 {
-		return fmt.Sprintf("%.2fB", float64(trafficBytes)/float64(1))
-	} else if trafficBytes < (1024 * 1024) {
-		return fmt.Sprintf("%.2fKB", float64(trafficBytes)/float64(1024))
-	} else if trafficBytes < (1024 * 1024 * 1024) {
-		return fmt.Sprintf("%.2fMB", float64(trafficBytes)/float64(1024*1024))
-	} else if trafficBytes < (1024 * 1024 * 1024 * 1024) {
-		return fmt.Sprintf("%.2fGB", float64(trafficBytes)/float64(1024*1024*1024))
-	} else if trafficBytes < (1024 * 1024 * 1024 * 1024 * 1024) {
-		return fmt.Sprintf("%.2fTB", float64(trafficBytes)/float64(1024*1024*1024*1024))
-	} else {
-		return fmt.Sprintf("%.2fEB", float64(trafficBytes)/float64(1024*1024*1024*1024*1024))
+func FormatTraffic(trafficBytes int64) string {
+	units := []string{"B", "KB", "MB", "GB", "TB", "PB"}
+	unitIndex := 0
+	size := float64(trafficBytes)
+
+	for size >= 1024 && unitIndex < len(units)-1 {
+		size /= 1024
+		unitIndex++
 	}
+	return fmt.Sprintf("%.2f%s", size, units[unitIndex])
 }

web/assets/js/util/common.js

@@ -1,25 +1,19 @@
 const ONE_KB = 1024;
-const ONE_MB = ONE_KB * 1024;
-const ONE_GB = ONE_MB * 1024;
-const ONE_TB = ONE_GB * 1024;
-const ONE_PB = ONE_TB * 1024;
+const units = ["B", "KB", "MB", "GB", "TB", "PB"];
 
 function sizeFormat(size) {
     if (size < 0) {
         return "0 B";
-    } else if (size < ONE_KB) {
-        return size.toFixed(0) + " B";
-    } else if (size < ONE_MB) {
-        return (size / ONE_KB).toFixed(2) + " KB";
-    } else if (size < ONE_GB) {
-        return (size / ONE_MB).toFixed(2) + " MB";
-    } else if (size < ONE_TB) {
-        return (size / ONE_GB).toFixed(2) + " GB";
-    } else if (size < ONE_PB) {
-        return (size / ONE_TB).toFixed(2) + " TB";
-    } else {
-        return (size / ONE_PB).toFixed(2) + " PB";
     }
+
+    let index = 0;
+
+    while (size >= ONE_KB && index < units.length - 1) {
+        size /= ONE_KB;
+        index++;
+    }
+
+    return `${size.toFixed(index === 0 ? 0 : 2)} ${units[index]}`;
 }
 
 function cpuSpeedFormat(speed) {
@@ -59,7 +53,7 @@ function formatSecond(second) {
         return (second / 3600).toFixed(0) + 'h';
     } else {
         day = Math.floor(second / 3600 / 24);
-        remain = ((second/3600) - (day*24)).toFixed(0);
+        remain = ((second / 3600) - (day * 24)).toFixed(0);
         return day + 'd' + (remain > 0 ? ' ' + remain + 'h' : '');
     }
 }
@@ -149,7 +143,7 @@ function userExpiryColor(threshold, client, isDark = false) {
         return isDark ? '#2c3950' : '#bcbcbc';
     }
     now = new Date().getTime(),
-    expiry = client.expiryTime;
+        expiry = client.expiryTime;
     switch (true) {
         case expiry === null:
             return "#7a316f"; // purple