add time duration to cluster

Signed-off-by: Jeff Carr <[email protected]>

1 files changed, 64 insertions, 0 deletions

diff --git a/time.go b/time.go
new file mode 100644
index 0000000..28f4098
--- /dev/null
+++ b/time.go
@@ -0,0 +1,64 @@
+package virtbuf
+
+import (
+	"fmt"
+	"time"
+)
+
+func FormatDuration(d time.Duration) string {
+	result := ""
+
+	// check if it's more than a year
+	years := int(d.Hours()) / (24 * 365)
+	if years > 0 {
+		result += fmt.Sprintf("%dy ", years)
+		return result
+	}
+
+	// check if it's more than a day
+	days := int(d.Hours()) / 24
+	if days > 0 {
+		result += fmt.Sprintf("%dd ", days)
+		return result
+	}
+
+	// check if it's more than an hour
+	hours := int(d.Hours()) % 24
+	if hours > 0 {
+		result += fmt.Sprintf("%dh ", hours)
+		return result
+	}
+
+	// check if it's more than a minute
+	minutes := int(d.Minutes()) % 60
+	if minutes > 0 {
+		result += fmt.Sprintf("%dm ", minutes)
+		return result
+	}
+
+	// check if it's more than a second
+	seconds := int(d.Seconds()) % 60
+	if seconds > 0 {
+		result += fmt.Sprintf("%ds", seconds)
+		return result
+	}
+
+	// report in milliseconds
+	ms := int(d.Milliseconds())
+	if ms > 100 {
+		// todo: print .3s, etc ?
+		return fmt.Sprintf("%1.2fs", seconds/1000)
+	}
+	result += fmt.Sprintf("%dms", ms)
+	return result
+}
+
+func GetDurationStamp(t time.Time) string {
+	// Get the current time
+	currentTime := time.Now()
+
+	// Calculate the duration between t current time
+	duration := currentTime.Sub(t)
+
+	return FormatDuration(duration)
+}