func()

in azkustodata/value/timespan.go [178:226]

• 45 lines of code
• 15 McCabe index (conditional complexity)

func (t *Timespan) unmarshalSeconds(s string) (time.Duration, error) {
	// "03" = 3 * time.Second
	// "00.099" = 99 * time.Millisecond
	// "03.0123" == 3 * time.Second + 12300 * time.Microsecond
	sp := strings.Split(s, ".")
	switch len(sp) {
	case 1:
		seconds, err := strconv.Atoi(s)
		if err != nil {
			return 0, fmt.Errorf("timespan's seconds field was incorrect, was %s", s)
		}
		return time.Duration(seconds) * time.Second, nil
	case 2:
		seconds, err := strconv.Atoi(sp[0])
		if err != nil {
			return 0, fmt.Errorf("timespan's seconds field was incorrect, was %s", s)
		}
		n, err := strconv.Atoi(sp[1])
		if err != nil {
			return 0, fmt.Errorf("timespan's seconds field was incorrect, was %s", s)
		}
		var prec time.Duration
		switch len(sp[1]) {
		case 1:
			prec = time.Duration(n) * (100 * time.Millisecond)
		case 2:
			prec = time.Duration(n) * (10 * time.Millisecond)
		case 3:
			prec = time.Duration(n) * time.Millisecond
		case 4:
			prec = time.Duration(n) * 100 * time.Microsecond
		case 5:
			prec = time.Duration(n) * 10 * time.Microsecond
		case 6:
			prec = time.Duration(n) * time.Microsecond
		case 7:
			prec = time.Duration(n) * tick
		case 8:
			prec = time.Duration(n) * (10 * time.Nanosecond)
		case 9:
			prec = time.Duration(n) * time.Nanosecond
		default:
			return 0, fmt.Errorf("timespan's seconds field did not have 1-9 numbers after the decimal, had %v", s)
		}

		return time.Duration(seconds)*time.Second + prec, nil
	}
	return 0, fmt.Errorf("timespan's seconds field did not have the requisite '.'s, was %s", s)
}