Countdown bot for 24 hour game jam

countdownBot.go

package main

import (
	"time"

	"github.com/bwmarrin/discordgo"
)

type dur struct {
	Duration time.Duration
	Text     string
}

func main() {
	dg, err := discordgo.New("Bot key.removed")
	if err != nil {
		panic(err)
	}

	err = dg.Open()

	dg.ChannelMessageSend("249257131683872769", "Connected!")

	endTime := time.Unix(1479610800, 0)
	durations := []dur{
		dur{time.Hour * 3, "3 hours left!"},
		dur{time.Hour * 2, "2 hours left!"},
		dur{time.Hour * 1, "1 hour left!"},
		dur{time.Minute * 45, "45 minutes left!"},
		dur{time.Minute * 30, "30 minutes left!"},
		dur{time.Minute * 15, "15 minutes left!"},
		dur{time.Minute * 10, "10 minutes left!"},
		dur{time.Minute * 5, "5 minutes left!"},
		dur{0, "Time's up!"},
	}

	for _, v := range durations {
		now := time.Now()
		if now.Add(v.Duration).After(endTime) {
			continue
		}

		time.Sleep(endTime.Sub(now.Add(v.Duration)))
		dg.ChannelMessageSend("249257131683872769", "@here: "+v.Text)
	}
}