sprechstunden-go/models/date.go

// date
package models

type Date struct {
	Week   int
	Day    int
	Hour   int
	Minute int
}

const MinuteGranularity int = 5

func DayName(day int) string {
	switch day {
	case 0:
		return "Montag"
	case 1:
		return "Dienstag"
	case 2:
		return "Mittwoch"
	case 3:
		return "Donnerstag"
	case 4:
		return "Freitag"
	default:
		return ""
	}
}

func DateLess(first Date, second Date) bool {
	if first.Day < second.Day {
		return true
	} else if first.Day > second.Day {
		return false
	}
	if first.Hour < second.Hour {
		return true
	} else if first.Hour > second.Hour {
		return false
	}
	if first.Minute < second.Minute {
		return true
	} else if first.Minute > second.Minute {
		return false
	}
	return false
}

func GetEndDate(date Date, duration int, ignoreWeek bool) Date {
	var endDate Date
	if ignoreWeek {
		endDate = Date{0, date.Day, date.Hour, date.Minute} // deep copy
	} else {
		endDate = Date{date.Week, date.Day, date.Hour, date.Minute}
	}
	endDate.Hour = endDate.Hour + (endDate.Minute+duration)/60
	endDate.Minute = (endDate.Minute + duration) % 60
	return endDate
}