Mercurial > public > pacobot
annotate bot/timer.go @ 13:e7ab74d2ad88 default tip
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| author | Dennis C. M. <dennis@denniscm.com> |
|---|---|
| date | Wed, 04 Jun 2025 09:38:35 +0100 |
| parents | aaf85ae1f942 |
| children |
| rev | line source |
|---|---|
| 10 | 1 package bot |
| 2 | |
| 3 import ( | |
| 4 "fmt" | |
| 5 "log" | |
| 6 "os" | |
| 7 "time" | |
| 8 ) | |
| 9 | |
| 10 var quit chan struct{} | |
| 11 | |
| 12 func startTimer(seconds int) { | |
| 13 if quit != nil { | |
| 14 close(quit) | |
| 15 } | |
| 16 | |
| 17 quit = make(chan struct{}) | |
| 18 | |
| 19 go func() { | |
|
12
aaf85ae1f942
add very simple html template
Dennis C. M. <dennis@denniscm.com>
parents:
10
diff
changeset
|
20 filename := "timer.txt" |
| 10 | 21 file, err := os.Create(filename) |
| 22 | |
| 23 if err != nil { | |
| 24 log.Fatal(err) | |
| 25 } | |
| 26 | |
| 27 defer file.Close() | |
| 28 countdown := time.Duration(seconds) * time.Second | |
| 29 ticker := time.NewTicker(time.Second) | |
| 30 defer ticker.Stop() | |
| 31 | |
| 32 log.Printf("bot: timer started with duration %d seconds", seconds) | |
| 33 | |
| 34 for countdown >= 0 { | |
| 35 select { | |
| 36 case <-ticker.C: | |
| 37 totalSeconds := int(countdown.Seconds()) | |
| 38 minutes := totalSeconds / 60 | |
| 39 seconds := totalSeconds % 60 | |
| 40 countdownMsg := fmt.Sprintf("%02d:%02d", minutes, seconds) | |
| 41 | |
| 42 file.Seek(0, 0) | |
| 43 _, err = file.WriteString("") | |
| 44 | |
| 45 if err != nil { | |
| 46 log.Fatal(err) | |
| 47 } | |
| 48 | |
| 49 _, err = file.WriteString(countdownMsg) | |
| 50 | |
| 51 if err != nil { | |
| 52 log.Fatal(err) | |
| 53 } | |
| 54 | |
| 55 log.Printf("bot: timer updated to %s", countdownMsg) | |
| 56 | |
| 57 countdown -= time.Second | |
| 58 case <-quit: | |
| 59 log.Println("bot: timer stopped") | |
| 60 | |
| 61 return | |
| 62 } | |
| 63 } | |
| 64 }() | |
| 65 } |