feat(plugin): Add UI template helpers

weed/admin/view/app/app.go

@@ -0,0 +1,54 @@
+package app
+
+import (
+	"fmt"
+	"math"
+)
+
+// formatNumber formats a number with thousand separators
+func formatNumber(n int64) string {
+	str := fmt.Sprintf("%d", n)
+	length := len(str)
+	if length <= 3 {
+		return str
+	}
+
+	var result string
+	for i, ch := range str {
+		if i > 0 && (length-i)%3 == 0 {
+			result += ","
+		}
+		result += string(ch)
+	}
+	return result
+}
+
+// formatBytes formats bytes in human-readable format
+func formatBytes(bytes int64) string {
+	if bytes == 0 {
+		return "0 B"
+	}
+
+	units := []string{"B", "KB", "MB", "GB", "TB"}
+	divisor := float64(1024)
+	index := 0
+
+	size := float64(bytes)
+	for size >= divisor && index < len(units)-1 {
+		size /= divisor
+		index++
+	}
+
+	if index == 0 {
+		return fmt.Sprintf("%d %s", int64(size), units[index])
+	}
+	return fmt.Sprintf("%.2f %s", size, units[index])
+}
+
+// calculatePercent calculates percentage
+func calculatePercent(current, total int64) float64 {
+	if total == 0 {
+		return 0
+	}
+	return math.Round((float64(current)/float64(total))*100*100) / 100
+}