48 lines
1012 B
Go
48 lines
1012 B
Go
package main
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import (
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"flag"
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"fmt"
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"time"
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)
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const (
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defaultFormat = "15:04"
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defaultGoal = "8.3h"
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)
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func main() {
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format := flag.String("f", defaultFormat, "Set the input time format ")
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goalS := flag.String("g", defaultGoal, "Set the duration goal ")
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flag.Parse()
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goal, err := time.ParseDuration(*goalS)
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if err != nil {
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fmt.Printf("Error parsing \"%s\": %v", *goalS, err)
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eight := 8.3 * float64(time.Hour)
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goal = time.Duration(eight)
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}
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acc := time.Second * 0
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for i, arg := range flag.Args() {
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t, err := time.Parse(*format, arg)
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if err != nil {
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fmt.Printf("Error parsing \"%s\": %v", arg, err)
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continue
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}
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dur := time.Hour*time.Duration(t.Hour()) + time.Minute*time.Duration(t.Minute())
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if i%2 == 0 {
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acc -= dur
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} else {
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acc += dur
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}
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}
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if len(flag.Args())%2 != 0 {
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diff := goal - acc
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fmt.Printf("You reached your goal of %v at: %s\n", goal, time.Time{}.Add(diff).Format(*format))
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} else {
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fmt.Printf("With these hour's you have worked: %v\n", acc)
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}
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}
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