/// <summary>Gets the previous date.</summary>
/// <param name="dateTime">The date time.</param>
/// <param name="fp">The frequency pattern.</param>
/// <returns></returns>
private static DateTime GetPreviousDate(DateTime dateTime, IFrequencyPattern fp)
{
fp.DisableBusinessRules();
#region Set FrequencyPatternType
FrequencyPatternType fpType;
if (!Enum.TryParse(fp.PatternType, out fpType))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpType");
}
DailyPatternVariant fpDailyPatternVariant;
if (Enum.TryParse(fp.DailyPatternOption, out fpDailyPatternVariant))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpDailyPatternVariant");
}
MonthlyPatternVariant fpMonthlyPatternVariant;
if (Enum.TryParse(fp.MonPatOption, out fpMonthlyPatternVariant))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpMonthlyPatternVariant");
}
DayOfWeek fpMonthlyPatternDayOfWeek;
if (Enum.TryParse(fp.MonPatDayOfWeek, out fpMonthlyPatternDayOfWeek))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpMonthlyPatternDayOfWeek");
}
RecurYearlyOption fpRecurYearlyOption;
if (Enum.TryParse(fp.YearPatRecurYearlyOption, out fpRecurYearlyOption))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpRecurYearlyOption");
}
YearlyPatternVariant fpYearlyPatternVariant;
if (Enum.TryParse(fp.YearPatOption, out fpYearlyPatternVariant))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpYearlyPatternVariant");
}
DayOfWeek fpYearlyPatternDayOfWeek;
if (Enum.TryParse(fp.YearPatDayOfWeek, out fpYearlyPatternDayOfWeek))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpYearlyPatternDayOfWeek");
}
TimeIntervalPosition fpYearlyPatternTimeIntervalPosition;
if (Enum.TryParse(fp.YearPatTimeIntervalPosition, out fpYearlyPatternTimeIntervalPosition))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpYearlyPatternTimeIntervalPosition");
}
TimeIntervalPosition fpMonthlyPatternTimeIntervalPosition;
if (Enum.TryParse(fp.MonPatTimeIntervalPosition, out fpMonthlyPatternTimeIntervalPosition))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpMonthlyPatternTimeIntervalPosition");
}
#endregion
switch (fpType)
{
case FrequencyPatternType.Weekly:
#region GetPreviousDate for Weekly pattern
var currentDay = dateTime.DayOfWeek;
var selectedDays = new List<DayOfWeek>();
if (fp.IsSundaySelected.GetValueOrDefault(false)) selectedDays.Add(DayOfWeek.Sunday);
if (fp.IsMondaySelected.GetValueOrDefault(false)) selectedDays.Add(DayOfWeek.Monday);
if (fp.IsTuesdaySelected.GetValueOrDefault(false)) selectedDays.Add(DayOfWeek.Tuesday);
if (fp.IsWednesdaySelected.GetValueOrDefault(false)) selectedDays.Add(DayOfWeek.Wednesday);
if (fp.IsThursdaySelected.GetValueOrDefault(false)) selectedDays.Add(DayOfWeek.Thursday);
if (fp.IsFridaySelected.GetValueOrDefault(false)) selectedDays.Add(DayOfWeek.Friday);
if (fp.IsSaturdaySelected.GetValueOrDefault(false)) selectedDays.Add(DayOfWeek.Saturday);
var possibleDays = selectedDays.Where(x => x < currentDay).ToArray();
return possibleDays.Any() ?
dateTime.AddDays(possibleDays.Max() - currentDay) :
dateTime.AddDays((-fp.WeeklyPatternWeeksToRecur.GetValueOrDefault(0) * 7 + (selectedDays.Max() - currentDay)));
#endregion
case FrequencyPatternType.Monthly:
#region GetPreviousDate for Monthly pattern
DateTime previousMonth;
switch (fpMonthlyPatternVariant)
{
case MonthlyPatternVariant.NumberOfMonths:
{
return dateTime.AddMonths(-fp.MonPatMonthsToRec.GetValueOrDefault(0));
}
case MonthlyPatternVariant.DayByDate:
{
var currentDayOfMonth = dateTime.Day;
var recurDate = fp.MonPatRecurDate >
DateTime.DaysInMonth(dateTime.Year, dateTime.Month)
? DateTime.DaysInMonth(dateTime.Year, dateTime.Month)
: fp.MonPatRecurDate;
if (recurDate < currentDayOfMonth)
{
return dateTime.AddDays((double)(recurDate - currentDayOfMonth));
}
previousMonth = dateTime.AddMonths(-fp.MonPatByDateOptionMonthsToRec.GetValueOrDefault(0));
return new DateTime(previousMonth.Year, previousMonth.Month, (fp.MonPatRecurDate.GetValueOrDefault(0) > DateTime.DaysInMonth(previousMonth.Year, previousMonth.Month)
? DateTime.DaysInMonth(previousMonth.Year, previousMonth.Month)
: fp.MonPatRecurDate.GetValueOrDefault(0)));
}
case MonthlyPatternVariant.DayByPosition:
previousMonth = dateTime.AddMonths(-fp.MonPatByPositionOptionMonToRec.GetValueOrDefault(0));
var basicDates = new List<object>
{
new {
basicDate = previousMonth,
firstDay = new DateTime(previousMonth.Year, previousMonth.Month, 1),
lastDay = new DateTime(previousMonth.Year, previousMonth.Month, DateTime.DaysInMonth(previousMonth.Year, previousMonth.Month))
},
/* dateTime here is either Schedule based on or field to display schedule date. Fallback? */
new {
basicDate = dateTime,
firstDay = new DateTime(dateTime.Year, dateTime.Month, 1),
lastDay = new DateTime(dateTime.Year, dateTime.Month, DateTime.DaysInMonth(dateTime.Year, dateTime.Month))
}
};
foreach (var bd in basicDates)
{
DateTime testDate;
var basicDate = (DateTime)bd.GetType().GetProperty("basicDate").GetValue(bd, null);
var firstDay = (DateTime)bd.GetType().GetProperty("firstDay").GetValue(bd, null);
var lastDay = (DateTime)bd.GetType().GetProperty("lastDay").GetValue(bd, null);
if (fp.MonPatTimeIntervalPosition != TimeIntervalPosition.Last.ToString())
{
if (fpMonthlyPatternDayOfWeek > firstDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, basicDate.Month, 1 +
(fpMonthlyPatternDayOfWeek - firstDay.DayOfWeek +
7 * (int)fpMonthlyPatternTimeIntervalPosition));
}
else if (fpMonthlyPatternDayOfWeek < firstDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, basicDate.Month, 1 +
(7 - (firstDay.DayOfWeek - fpMonthlyPatternDayOfWeek) +
7 * (int)fpMonthlyPatternTimeIntervalPosition));
}
else
{
testDate = new DateTime(basicDate.Year, basicDate.Month, 1 + 7 * (int)fpMonthlyPatternTimeIntervalPosition);
}
}
else
{
if (fpMonthlyPatternDayOfWeek < lastDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, basicDate.Month, lastDay.Day -
(lastDay.DayOfWeek - fpMonthlyPatternDayOfWeek));
}
else if (fpMonthlyPatternDayOfWeek > lastDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, basicDate.Month, lastDay.Day -
(7 - (fpMonthlyPatternDayOfWeek - lastDay.DayOfWeek)));
}
else
{
testDate = new DateTime(basicDate.Year, basicDate.Month, lastDay.Day);
}
}
if (testDate > dateTime)
return testDate;
}
break;
}
#endregion
break;
case FrequencyPatternType.Yearly:
#region GetPreviousDate for Yearly pattern
if (fpRecurYearlyOption == RecurYearlyOption.RecurYearly)
{
dateTime = dateTime.AddYears(-fp.YearPatYearsToRec.GetValueOrDefault(0));
break;
}
switch (fpYearlyPatternVariant)
{
case YearlyPatternVariant.DayByDate:
var withinTheSameYear = new DateTime(dateTime.Year,
DateTime.ParseExact(
fp.YearPatByDateOptionSelectMon, "MMMM",
new CultureInfo(Constants.DefaultCultureName)).Month, fp.YearPatDayOfSelectMon.GetValueOrDefault(0));
if (dateTime < withinTheSameYear)
return withinTheSameYear;
return new DateTime(-dateTime.AddYears(fp.YearPatYearsToRec.GetValueOrDefault(0)).Year,
DateTime.ParseExact(
fp.YearPatByDateOptionSelectMon, "MMMM",
new CultureInfo(Constants.DefaultCultureName)).Month, fp.YearPatDayOfSelectMon.GetValueOrDefault(0));
case YearlyPatternVariant.DayByName:
var nextYear = dateTime.AddYears(-fp.YearPatYearsToRec.GetValueOrDefault(0));
var selectedMonth = DateTime.ParseExact(fp.YearPatByNameOptionSelectMon, "MMMM",
new CultureInfo(Constants.DefaultCultureName)).Month;
var basicDates = new List<object>
{
new {
basicDate = dateTime,
firstDay = new DateTime(dateTime.Year, selectedMonth, 1),
lastDay = new DateTime(dateTime.Year, selectedMonth,
DateTime.DaysInMonth(dateTime.Year, selectedMonth))
},
new {
basicDate = nextYear,
firstDay = new DateTime(nextYear.Year, selectedMonth, 1),
lastDay = new DateTime(nextYear.Year, selectedMonth,
DateTime.DaysInMonth(nextYear.Year, selectedMonth))
}
};
foreach (var bd in basicDates)
{
DateTime testDate;
var basicDate = (DateTime)bd.GetType().GetProperty("basicDate").GetValue(bd, null);
var firstDay = (DateTime)bd.GetType().GetProperty("firstDay").GetValue(bd, null);
var lastDay = (DateTime)bd.GetType().GetProperty("lastDay").GetValue(bd, null);
if (fp.YearPatTimeIntervalPosition != TimeIntervalPosition.Last.ToString())
{
if (fpYearlyPatternDayOfWeek > firstDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, firstDay.Month, 1 +
(fpYearlyPatternDayOfWeek - firstDay.DayOfWeek +
7 * (int)fpYearlyPatternTimeIntervalPosition));
}
else if (fpYearlyPatternDayOfWeek < firstDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, firstDay.Month, 1 +
(7 - (firstDay.DayOfWeek - fpYearlyPatternDayOfWeek) +
7 * (int)fpYearlyPatternTimeIntervalPosition));
}
else
{
testDate = new DateTime(basicDate.Year, firstDay.Month, 1 + 7 * (int)fpYearlyPatternTimeIntervalPosition);
}
}
else
{
if (fpYearlyPatternDayOfWeek < lastDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, firstDay.Month, lastDay.Day -
(lastDay.DayOfWeek - fpYearlyPatternDayOfWeek));
}
else if (fpYearlyPatternDayOfWeek > lastDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, firstDay.Month, lastDay.Day -
(7 - (fpYearlyPatternDayOfWeek - lastDay.DayOfWeek)));
}
else
{
testDate = new DateTime(basicDate.Year, firstDay.Month, lastDay.Day);
}
}
if (testDate > dateTime)
return testDate;
}
break;
}
#endregion
break;
}
return dateTime;
}
private static DateTime GetNextDate(DateTime dateTime, IFrequencyPattern fp, ICalendar calendar)
{
fp.DisableBusinessRules();
#region Set FrequencyPatternType
FrequencyPatternType fpType;
if (!Enum.TryParse(fp.PatternType, out fpType))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpType");
}
DailyPatternVariant fpDailyPatternVariant;
if (Enum.TryParse(fp.DailyPatternOption, out fpDailyPatternVariant))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpDailyPatternVariant");
}
MonthlyPatternVariant fpMonthlyPatternVariant;
if (Enum.TryParse(fp.MonPatOption, out fpMonthlyPatternVariant))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpMonthlyPatternVariant");
}
DayOfWeek fpMonthlyPatternDayOfWeek;
if (Enum.TryParse(fp.MonPatDayOfWeek, out fpMonthlyPatternDayOfWeek))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpMonthlyPatternDayOfWeek");
}
RecurYearlyOption fpRecurYearlyOption;
if (Enum.TryParse(fp.YearPatRecurYearlyOption, out fpRecurYearlyOption))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpRecurYearlyOption");
}
YearlyPatternVariant fpYearlyPatternVariant;
if (Enum.TryParse(fp.YearPatOption, out fpYearlyPatternVariant))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpYearlyPatternVariant");
}
DayOfWeek fpYearlyPatternDayOfWeek;
if (Enum.TryParse(fp.YearPatDayOfWeek, out fpYearlyPatternDayOfWeek))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpYearlyPatternDayOfWeek");
}
TimeIntervalPosition fpYearlyPatternTimeIntervalPosition;
if (Enum.TryParse(fp.YearPatTimeIntervalPosition, out fpYearlyPatternTimeIntervalPosition))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpYearlyPatternTimeIntervalPosition");
}
TimeIntervalPosition fpMonthlyPatternTimeIntervalPosition;
if (Enum.TryParse(fp.MonPatTimeIntervalPosition, out fpMonthlyPatternTimeIntervalPosition))
{
Logger.Log(LogSeverity.Warning, string.Format(CultureInfo.InvariantCulture, "{0}{1}{2}", "ScheduleManager", Environment.NewLine, "GetNextDate"), "Error parsing FrequencyPattern, fpMonthlyPatternTimeIntervalPosition");
}
#endregion
switch (fpType)
{
case FrequencyPatternType.Daily:
#region GetNextDate for Daily pattern
var nextDate = dateTime;
if (calendar != null && calendar.WorkingIntervals != null && calendar.WorkingExceptions != null && calendar.WorkingIntervals.Any())
{
var calendarWorkingIntervals = calendar.WorkingIntervals.Where(wi => wi.StartDate.HasValue && wi.FinishDate.HasValue && wi.StartDate.Value < wi.FinishDate.Value).ToList();
var calendarWorkingExceptions = calendar.WorkingExceptions.Where(we => we.StartDate.HasValue && we.FinishDate.HasValue && we.StartDate.Value < we.FinishDate.Value).ToList();
var isWorkingDay = false;
short infiniteLoop = 0;
while (!isWorkingDay)
{
infiniteLoop++;
if (infiniteLoop > 100)
{
nextDate = fpDailyPatternVariant == DailyPatternVariant.WorkingDays ? dateTime.AddDays(1.0) : dateTime.AddDays(fp.DailyPatternDaysToRecur.GetValueOrDefault(0));
break;
}
var exception = GetWorkingException(nextDate, calendar, calendarWorkingIntervals, FrequencyPatternType.Daily);
if (exception != null)
{
ExceptionBehavior exceptionBehavior = ExceptionBehavior.ScheduleAfter;
if (!string.IsNullOrEmpty(exception.ExceptionBehavior) && !Enum.TryParse(exception.ExceptionBehavior, out exceptionBehavior))
exceptionBehavior = ExceptionBehavior.ScheduleAfter;
switch (exceptionBehavior)
{
case ExceptionBehavior.Skip:
case ExceptionBehavior.ScheduleAfter:
var exceptionEndDate = exception.FinishDate.Value;
nextDate = fpDailyPatternVariant == DailyPatternVariant.WorkingDays ?
(new DateTime(exceptionEndDate.Year, exceptionEndDate.Month, exceptionEndDate.Day, nextDate.Hour, nextDate.Minute, nextDate.Second)).AddDays(1.0) :
nextDate.AddDays(fp.DailyPatternDaysToRecur.GetValueOrDefault(0));
break;
case ExceptionBehavior.ScheduleBefore:
var exceptionStartDate = exception.StartDate.Value;
nextDate = fpDailyPatternVariant == DailyPatternVariant.WorkingDays ?
(new DateTime(exceptionStartDate.Year, exceptionStartDate.Month, exceptionStartDate.Day, nextDate.Hour, nextDate.Minute, nextDate.Second)).AddDays(-1.0) :
nextDate.AddDays(-fp.DailyPatternDaysToRecur.GetValueOrDefault(0));
break;
}
}
else
{
nextDate = fpDailyPatternVariant == DailyPatternVariant.WorkingDays ? nextDate.AddDays(1.0) : nextDate.AddDays(fp.DailyPatternDaysToRecur.GetValueOrDefault(0));
}
if (!calendar.WorkingExceptions.Any())
{
isWorkingDay = (from wi in calendarWorkingIntervals
where nextDate.DayOfWeek.ToString() == wi.Weekday
select wi).Any();
}
else
{
/*
var tryNextDate = GetTime(nextDate, calendar);
if (tryNextDate.HasValue)
{
nextDate = tryNextDate.Value;
isWorkingDay = (from wi in calendarWorkingIntervals
where nextDate.DayOfWeek.ToString() == wi.Weekday
select wi).Any();
}
*/
isWorkingDay = (from wi in calendarWorkingIntervals
from we in calendarWorkingExceptions
/*
let peopleHaveToWork =
((nextDate.Date == we.StartDate.Value.Date & (wi.StartDate.Value.TimeOfDay < we.StartDate.Value.TimeOfDay)) ||
(nextDate.Date == we.FinishDate.Value.Date & (wi.FinishDate.Value.TimeOfDay > we.FinishDate.Value.TimeOfDay)))
*/
let res = nextDate.DayOfWeek.ToString() == wi.Weekday &&
//(peopleHaveToWork ||
!(from x in calendarWorkingExceptions
let wiComplete =
(from y in calendarWorkingIntervals
where y.Weekday == nextDate.DayOfWeek.ToString()
group y by y.Weekday into wiWide
select new
{
Weekday = wiWide.Key,
StartDate = wiWide.Min(st => st.StartDate.Value),
FinishDate = wiWide.Max(ft => ft.FinishDate.Value)
}).First()
where ((nextDate.Date > x.StartDate.Value.Date ||
(nextDate.Date == x.StartDate.Value.Date & (wiComplete.StartDate.TimeOfDay >= x.StartDate.Value.TimeOfDay))) &
(nextDate.Date < x.FinishDate.Value.Date ||
(nextDate.Date == x.FinishDate.Value.Date &
(wiComplete.FinishDate.TimeOfDay <= x.FinishDate.Value.TimeOfDay))))
select x).Any()//)
where res
select res).FirstOrDefault();
}
}
return nextDate;
}
nextDate = fpDailyPatternVariant == DailyPatternVariant.WorkingDays ? nextDate.AddDays(1.0) : nextDate.AddDays(fp.DailyPatternDaysToRecur.GetValueOrDefault(0));
while (nextDate.DayOfWeek == DayOfWeek.Saturday || nextDate.DayOfWeek == DayOfWeek.Sunday)
{
nextDate = fpDailyPatternVariant == DailyPatternVariant.WorkingDays ? nextDate.AddDays(1.0) : nextDate.AddDays(fp.DailyPatternDaysToRecur.GetValueOrDefault(0));
}
return nextDate;
#endregion
case FrequencyPatternType.Weekly:
#region GetNextDate for Weekly pattern
var currentDay = dateTime.DayOfWeek;
var selectedDays = new List<DayOfWeek>();
if (fp.IsSundaySelected.GetValueOrDefault(false)) selectedDays.Add(DayOfWeek.Sunday);
if (fp.IsMondaySelected.GetValueOrDefault(false)) selectedDays.Add(DayOfWeek.Monday);
if (fp.IsTuesdaySelected.GetValueOrDefault(false)) selectedDays.Add(DayOfWeek.Tuesday);
if (fp.IsWednesdaySelected.GetValueOrDefault(false)) selectedDays.Add(DayOfWeek.Wednesday);
if (fp.IsThursdaySelected.GetValueOrDefault(false)) selectedDays.Add(DayOfWeek.Thursday);
if (fp.IsFridaySelected.GetValueOrDefault(false)) selectedDays.Add(DayOfWeek.Friday);
if (fp.IsSaturdaySelected.GetValueOrDefault(false)) selectedDays.Add(DayOfWeek.Saturday);
var possibleDays = selectedDays.Where(x => x > currentDay).ToArray();
return possibleDays.Any() ?
dateTime.AddDays(possibleDays.Min() - currentDay) :
dateTime.AddDays((fp.WeeklyPatternWeeksToRecur.GetValueOrDefault(0) * 7 - (currentDay - selectedDays.Min())));
#endregion
case FrequencyPatternType.Monthly:
#region GetNextDate for Monthly pattern
DateTime nextMonth;
switch (fpMonthlyPatternVariant)
{
case MonthlyPatternVariant.NumberOfMonths:
{
return dateTime.AddMonths(fp.MonPatMonthsToRec.GetValueOrDefault(0));
}
case MonthlyPatternVariant.DayByDate:
{
var currentDayOfMonth = dateTime.Day;
var recurDate = fp.MonPatRecurDate >
DateTime.DaysInMonth(dateTime.Year, dateTime.Month)
? DateTime.DaysInMonth(dateTime.Year, dateTime.Month)
: fp.MonPatRecurDate;
if (recurDate > currentDayOfMonth)
{
return dateTime.AddDays((double)(recurDate - currentDayOfMonth));
}
nextMonth = dateTime.AddMonths(fp.MonPatByDateOptionMonthsToRec.GetValueOrDefault(0));
return new DateTime(nextMonth.Year, nextMonth.Month, (fp.MonPatRecurDate.GetValueOrDefault(0) > DateTime.DaysInMonth(nextMonth.Year, nextMonth.Month)
? DateTime.DaysInMonth(nextMonth.Year, nextMonth.Month)
: fp.MonPatRecurDate.GetValueOrDefault(0)));
}
case MonthlyPatternVariant.DayByPosition:
nextMonth = dateTime.AddMonths(fp.MonPatByPositionOptionMonToRec.GetValueOrDefault(0));
var basicDates = new List<object>
{
new {
basicDate = nextMonth,
firstDay = new DateTime(nextMonth.Year, nextMonth.Month, 1),
lastDay = new DateTime(nextMonth.Year, nextMonth.Month, DateTime.DaysInMonth(nextMonth.Year, nextMonth.Month))
},
/* dateTime here is either Schedule based on or field to display schedule date. Fallback? */
new {
basicDate = dateTime,
firstDay = new DateTime(dateTime.Year, dateTime.Month, 1),
lastDay = new DateTime(dateTime.Year, dateTime.Month, DateTime.DaysInMonth(dateTime.Year, dateTime.Month))
}
};
foreach (var bd in basicDates)
{
DateTime testDate;
var basicDate = (DateTime)bd.GetType().GetProperty("basicDate").GetValue(bd, null);
var firstDay = (DateTime)bd.GetType().GetProperty("firstDay").GetValue(bd, null);
var lastDay = (DateTime)bd.GetType().GetProperty("lastDay").GetValue(bd, null);
if (fp.MonPatTimeIntervalPosition != TimeIntervalPosition.Last.ToString())
{
if (fpMonthlyPatternDayOfWeek > firstDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, basicDate.Month, 1 +
(fpMonthlyPatternDayOfWeek - firstDay.DayOfWeek +
7 * (int)fpMonthlyPatternTimeIntervalPosition));
}
else if (fpMonthlyPatternDayOfWeek < firstDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, basicDate.Month, 1 +
(7 - (firstDay.DayOfWeek - fpMonthlyPatternDayOfWeek) +
7 * (int)fpMonthlyPatternTimeIntervalPosition));
}
else
{
testDate = new DateTime(basicDate.Year, basicDate.Month, 1 + 7 * (int)fpMonthlyPatternTimeIntervalPosition);
}
}
else
{
if (fpMonthlyPatternDayOfWeek < lastDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, basicDate.Month, lastDay.Day -
(lastDay.DayOfWeek - fpMonthlyPatternDayOfWeek));
}
else if (fpMonthlyPatternDayOfWeek > lastDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, basicDate.Month, lastDay.Day -
(7 - (fpMonthlyPatternDayOfWeek - lastDay.DayOfWeek)));
}
else
{
testDate = new DateTime(basicDate.Year, basicDate.Month, lastDay.Day);
}
}
if (testDate > dateTime)
return testDate;
}
break;
}
#endregion
break;
case FrequencyPatternType.Yearly:
#region GetNextDate for Yearly pattern
if (fpRecurYearlyOption == RecurYearlyOption.RecurYearly)
{
dateTime = dateTime.AddYears(fp.YearPatYearsToRec.GetValueOrDefault(0));
break;
}
switch (fpYearlyPatternVariant)
{
case YearlyPatternVariant.DayByDate:
var withinTheSameYear = new DateTime(dateTime.Year,
DateTime.ParseExact(
fp.YearPatByDateOptionSelectMon, "MMMM",
new CultureInfo(Constants.DefaultCultureName)).Month, fp.YearPatDayOfSelectMon.GetValueOrDefault(0));
if (dateTime < withinTheSameYear)
return withinTheSameYear;
return new DateTime(dateTime.AddYears(fp.YearPatYearsToRec.GetValueOrDefault(0)).Year,
DateTime.ParseExact(
fp.YearPatByDateOptionSelectMon, "MMMM",
new CultureInfo(Constants.DefaultCultureName)).Month, fp.YearPatDayOfSelectMon.GetValueOrDefault(0));
case YearlyPatternVariant.DayByName:
var nextYear = dateTime.AddYears(fp.YearPatYearsToRec.GetValueOrDefault(0));
var selectedMonth = DateTime.ParseExact(fp.YearPatByNameOptionSelectMon, "MMMM",
new CultureInfo(Constants.DefaultCultureName)).Month;
var basicDates = new List<object>
{
new {
basicDate = dateTime,
firstDay = new DateTime(dateTime.Year, selectedMonth, 1),
lastDay = new DateTime(dateTime.Year, selectedMonth,
DateTime.DaysInMonth(dateTime.Year, selectedMonth))
},
new {
basicDate = nextYear,
firstDay = new DateTime(nextYear.Year, selectedMonth, 1),
lastDay = new DateTime(nextYear.Year, selectedMonth,
DateTime.DaysInMonth(nextYear.Year, selectedMonth))
}
};
foreach (var bd in basicDates)
{
DateTime testDate;
var basicDate = (DateTime)bd.GetType().GetProperty("basicDate").GetValue(bd, null);
var firstDay = (DateTime)bd.GetType().GetProperty("firstDay").GetValue(bd, null);
var lastDay = (DateTime)bd.GetType().GetProperty("lastDay").GetValue(bd, null);
if (fp.YearPatTimeIntervalPosition != TimeIntervalPosition.Last.ToString())
{
if (fpYearlyPatternDayOfWeek > firstDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, firstDay.Month, 1 +
(fpYearlyPatternDayOfWeek - firstDay.DayOfWeek +
7 * (int)fpYearlyPatternTimeIntervalPosition));
}
else if (fpYearlyPatternDayOfWeek < firstDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, firstDay.Month, 1 +
(7 - (firstDay.DayOfWeek - fpYearlyPatternDayOfWeek) +
7 * (int)fpYearlyPatternTimeIntervalPosition));
}
else
{
testDate = new DateTime(basicDate.Year, firstDay.Month, 1 + 7 * (int)fpYearlyPatternTimeIntervalPosition);
}
}
else
{
if (fpYearlyPatternDayOfWeek < lastDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, firstDay.Month, lastDay.Day -
(lastDay.DayOfWeek - fpYearlyPatternDayOfWeek));
}
else if (fpYearlyPatternDayOfWeek > lastDay.DayOfWeek)
{
testDate = new DateTime(basicDate.Year, firstDay.Month, lastDay.Day -
(7 - (fpYearlyPatternDayOfWeek - lastDay.DayOfWeek)));
}
else
{
testDate = new DateTime(basicDate.Year, firstDay.Month, lastDay.Day);
}
}
if (testDate > dateTime)
return testDate;
}
break;
}
#endregion
break;
}
return dateTime;
}