45 lines
985 B
Go
45 lines
985 B
Go
package genid
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import (
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"fmt"
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"time"
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"github.com/rs/xid"
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"github.com/urfave/cli/v2"
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)
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var Command = &cli.Command{
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Name: "id",
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Usage: "Generate a time-based ID",
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Flags: []cli.Flag{
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&cli.TimestampFlag{
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Name: "timestamp",
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Aliases: []string{"T"},
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Usage: "The timestamp to generate an ID for (format: 2006-01-02T15:04:05)",
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Layout: "2006-01-02T15:04:05",
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},
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&cli.UintFlag{
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Name: "days-ago",
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Aliases: []string{"D"},
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Usage: "The number of days ago to generate an ID for",
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Value: 0,
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},
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},
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Action: run,
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}
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func run(c *cli.Context) error {
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if t := c.Timestamp("timestamp"); t != nil {
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fmt.Printf("ID for %v: %v\n", t.Format(time.RFC1123), xid.NewWithTime(*t))
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return nil
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}
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if daysAgo := c.Uint("days-ago"); daysAgo != 0 {
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t := time.Now().Add(time.Duration(-daysAgo) * 24 * time.Hour)
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fmt.Printf("ID for %v days ago: %v\n", daysAgo, xid.NewWithTime(t))
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return nil
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}
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fmt.Printf("ID for now: %v\n", xid.New())
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return nil
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}
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