[DATA-2672] Refactor data capture and data sync

data/bytes_format_utils.go

@@ -0,0 +1,45 @@
+package data
+
+import "fmt"
+
+const (
+	_ = 1 << (10 * iota)
+	kib
+	mib
+	gib
+	tib
+)
+
+// FormatBytesI64 formats an int64 representing bytes
+// as an easily human parsable string.
+func FormatBytesI64(b int64) string {
+	switch {
+	case b > tib:
+		return fmt.Sprintf("%.2f TB", float64(b)/tib)
+	case b > gib:
+		return fmt.Sprintf("%.2f GB", float64(b)/gib)
+	case b > mib:
+		return fmt.Sprintf("%.2f MB", float64(b)/mib)
+	case b > kib:
+		return fmt.Sprintf("%.2f KB", float64(b)/kib)
+	default:
+		return fmt.Sprintf("%d Bytes", b)
+	}
+}
+
+// FormatBytesU64 formats an uint64 representing bytes
+// as an easily human parsable string.
+func FormatBytesU64(b uint64) string {
+	switch {
+	case b > tib:
+		return fmt.Sprintf("%.2f TB", float64(b)/tib)
+	case b > gib:
+		return fmt.Sprintf("%.2f GB", float64(b)/gib)
+	case b > mib:
+		return fmt.Sprintf("%.2f MB", float64(b)/mib)
+	case b > kib:
+		return fmt.Sprintf("%.2f KB", float64(b)/kib)
+	default:
+		return fmt.Sprintf("%d Bytes", b)
+	}
+}