public void DayBetweenForMondayAndMondayShallReturn0()
{
//Exercise
var differential = DayHelper.DaysBetween(DayOfWeek.Monday, DayOfWeek.Monday);
//Verify
Assert.AreEqual(0, differential);
}
public static List <T> BuildTimePeriodWeeks <T>(this ITimePeriod timePeriod,
DateTime?forDateTime = null, DayOfWeek?firstDayOfWeek = DayOfWeek.Monday,
bool includeOutOfRangeTimePeriods = false,
List <DayOfWeek> openDays = null, List <DateTime> exclusionDates = null) where T : ITimePeriodWeek, new()
{
//Sanitise the arguments
if (!forDateTime.HasValue)
{
forDateTime = Clock.Now().ToDateOnly();
}
if (timePeriod.LastDay < timePeriod.FirstDay)
{
throw new ArgumentException();
}
if (!includeOutOfRangeTimePeriods && timePeriod.LastDay < forDateTime)
{
return(null); //Not in the date range
}
if (!includeOutOfRangeTimePeriods && timePeriod.FirstDay > forDateTime)
{
return(null); //Not in the date range
}
var workingFirstDay = timePeriod.FirstDay;
var timePeriodWeeks = new List <T>();
while (workingFirstDay <= timePeriod.LastDay)
{
int lengthOfWeek;
if (firstDayOfWeek.HasValue && workingFirstDay.DayOfWeek != firstDayOfWeek)
{
var endOfWeekDay = firstDayOfWeek.Value.PreviousDayOfWeek();
//Add the number of days to end this partial week
lengthOfWeek = DayHelper.DaysBetween(workingFirstDay.DayOfWeek, endOfWeekDay);
}
else
{
lengthOfWeek = 6;
}
var workingLastDayOfWeek = workingFirstDay.AddDays(lengthOfWeek);
//Use the last day of the time period if needed
if (workingLastDayOfWeek > timePeriod.LastDay)
{
workingLastDayOfWeek = timePeriod.LastDay;
}
var timePeriodWeek = new T
{
FirstDay = workingFirstDay.ToStartOfDay(),
LastDay = workingLastDayOfWeek.ToStartOfDay(),
WeekNumber = timePeriodWeeks.Count + 1
};
//Is the week empty? Do not add to the list
if (!timePeriodWeek.IsEmpty(openDays, exclusionDates))
{
timePeriodWeek.IsCurrent = timePeriodWeek.Contains(forDateTime.Value);
timePeriodWeeks.Add(timePeriodWeek);
}
//workingFirstDay = workingFirstDay.AddDays(7);
workingFirstDay = workingFirstDay.AddDays(lengthOfWeek + 1);
}
return(timePeriodWeeks);
}
