From 3345c0bc0fd293cd3f5882ab71bee16b2bfd002b Mon Sep 17 00:00:00 2001
From: jaKa <jaka@koofr.net>
Date: Mon, 13 May 2019 12:04:11 +0200
Subject: [PATCH] Added a simple tool to between times and IDs.

---
 idtool/idtool.go | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 idtool/idtool.go

diff --git a/idtool/idtool.go b/idtool/idtool.go
new file mode 100644
index 0000000..29a18dd
--- /dev/null
+++ b/idtool/idtool.go
@@ -0,0 +1,45 @@
+package main
+
+import id "github.com/koofr/go-idutils"
+import "flag"
+import "time"
+import "fmt"
+
+func main() {
+	srcId := flag.Int64("id", 0, "Convert ID to timestamp")
+	srcEpoch := flag.Int64("unix", 0, "Convert a Unix timestamp to ID")
+	srcTime := flag.String("time", "", "Convert time to ID (allows for various common formats)")
+	flag.Parse()
+
+	if srcId != nil && *srcId > 0 {
+		tiem := id.IdToTime(*srcId)
+		fmt.Printf("%s\n", tiem.Format(time.RFC822))
+	}
+
+	if srcEpoch != nil && *srcEpoch > 0 {
+		fmt.Printf("%d\n", id.IdEndOfTimestamp(*srcEpoch*1000))
+	}
+
+	if srcTime != nil && *srcTime != "" {
+		formats := []string{
+			time.ANSIC,
+			time.UnixDate,
+			time.RubyDate,
+			time.RFC822,
+			time.RFC822Z,
+			time.RFC850,
+			time.RFC1123,
+			time.RFC1123Z,
+			time.RFC3339,
+			time.RFC3339Nano,
+		}
+		for _, f := range formats {
+			t, err := time.Parse(f, *srcTime)
+			if err == nil {
+				fmt.Printf("%d\n", id.IdEndOfTime(t))
+				break
+			}
+		}
+	}
+
+}