public DayOfWeekAnnualReccurance(DayOfWeek dayOfWeek, WeekOfMonth week, Month month, bool substituteWeekend = true)
: base(substituteWeekend)
{
DayOfWeek = dayOfWeek;
Week = week;
Month = month;
}
public DynamicClockTransition(int hoursToChange, WeekOfMonth weekOfMonth, DayOfWeek dayOfWeek, int month, TimeSpan transitionTimeOfDay)
{
if (month < 1 || month > 12)
{
throw new ArgumentOutOfRangeException("month", "Invalid month.");
}
if (!Enum.IsDefined(typeof(DayOfWeek), dayOfWeek))
{
throw new ArgumentException("Invalid day of week.", "dayOfWeek");
}
if (!Enum.IsDefined(typeof(WeekOfMonth), weekOfMonth))
{
throw new ArgumentException("Invalid week of month.", "weekOfMonth");
}
if (transitionTimeOfDay < TimeSpan.Zero || transitionTimeOfDay.Days > 0)
{
throw new ArgumentOutOfRangeException("transitionTimeOfDay", "The transition timespan must be a valid time of day.");
}
if (hoursToChange != -1 && hoursToChange != 1)
{
throw new ArgumentOutOfRangeException("hoursToChange", "The change should be -1 or +1 hours.");
}
Month = month;
DayOfWeek = dayOfWeek;
WeekOfMonth = weekOfMonth;
TransitionTimeOfDay = transitionTimeOfDay;
HoursToChange = hoursToChange;
}
private DateTime GetNthDay(int year, int month, int hrs, int min, WeekOfMonth weekOfMonth)
{
DateTime specifiedDay;
switch (weekOfMonth)
{
case WeekOfMonth.first:
specifiedDay = new DateTime(year, month, 1, hrs, min, 0);
break;
case WeekOfMonth.second:
specifiedDay = new DateTime(year, month, 2, hrs, min, 0);
break;
case WeekOfMonth.third:
specifiedDay = new DateTime(year, month, 3, hrs, min, 0);
break;
case WeekOfMonth.fourth:
specifiedDay = new DateTime(year, month, 4, hrs, min, 0);
break;
case WeekOfMonth.last:
default:
var lastday = DateTime.DaysInMonth(year, month);
specifiedDay = new DateTime(year, month, lastday, hrs, min, 0);
break;
}
return(specifiedDay);
}
public DayOfWeekAnnualReccurance(DayOfWeek dayOfWeek, WeekOfMonth week, Month month, bool substituteWeekend = true)
: base(substituteWeekend)
{
DayOfWeek = dayOfWeek;
Week = week;
Month = month;
}
private static DateTime FindDayOfWeekOfMonth(DayOfWeek dayOfWeek, WeekOfMonth week, DateTime date)
{
var weekOrdinal = GetWeekOrdinalFromEnum(week);
while (date.DayOfWeek.ToString() != dayOfWeek.ToString())
{
date = date.AddDays(1);
}
if (weekOrdinal < 4)
{
date = date.AddDays(weekOrdinal * 7);
}
else
{
if (date.AddDays(weekOrdinal * 7).Month != date.Month)
{
date = date.AddDays(7 * (weekOrdinal - 1));
}
else
{
date = date.AddDays(weekOrdinal * 7);
}
}
return(date);
}
/// <summary>
/// Initializes an instance of <see cref="MonthlyWeekPattern"/> class.
/// </summary>
/// <param name="weekOfMonth">The week of the month when the event occurs.</param>
/// <param name="daysOfWeek">The accepted days of the week when the event can occur.</param>
/// <param name="interval">The interval of occurrences in number of months.</param>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="interval"/> is less than 1.</exception>
public MonthlyWeekPattern(WeekOfMonth weekOfMonth, DaysOfTheWeek daysOfWeek, int interval = 1)
{
Contract.Requires <ArgumentOutOfRangeException>(interval >= 1, nameof(interval));
WeekOfMonth = weekOfMonth;
DaysOfWeek = daysOfWeek & DaysOfTheWeek.Any;
Interval = interval;
}
private DateTime GetNthWeekendDay(int year, int month, int hrs, int min, WeekOfMonth weekOfMonth)
{
DateTime date = new DateTime(year, month, 1, hrs, min, 0);
while (date.DayOfWeek != DayOfWeek.Saturday && date.DayOfWeek != DayOfWeek.Sunday)
{
date = date.AddDays(1);
}
switch (weekOfMonth)
{
case WeekOfMonth.first:
//returns the default value
break;
case WeekOfMonth.second:
if (date.DayOfWeek == DayOfWeek.Saturday)
{
date = date.AddDays(1);
}
else if (date.DayOfWeek == DayOfWeek.Sunday)
{
date = date.AddDays(6);
}
break;
case WeekOfMonth.third:
if (date.DayOfWeek == DayOfWeek.Saturday || date.DayOfWeek == DayOfWeek.Sunday)
{
date = date.AddDays(7);
}
break;
case WeekOfMonth.fourth:
if (date.DayOfWeek == DayOfWeek.Saturday)
{
date = date.AddDays(8);
}
else if (date.DayOfWeek == DayOfWeek.Sunday)
{
date = date.AddDays(13);
}
break;
case WeekOfMonth.last:
default:
var lastday = DateTime.DaysInMonth(year, month);
date = new DateTime(year, month, lastday, hrs, min, 0);
while (date.DayOfWeek != DayOfWeek.Saturday && date.DayOfWeek != DayOfWeek.Sunday)
{
date = date.AddDays(-1);
}
break;
}
return(date);
}
/// <summary>
/// Convert a value to <see cref="int" />.
/// </summary>
/// <param name="weekOfMonth">The week of month.</param>
/// <returns>Converted to int value.</returns>
public static int ToInt32(this WeekOfMonth weekOfMonth)
{
if (weekOfMonth == WeekOfMonth.Last)
{
return(-1);
}
return((int)weekOfMonth);
}
/// <summary>
/// Initializes an instance of <see cref="YearlyWeekPattern"/> class.
/// </summary>
/// <param name="weekOfMonth">The week of the month when the event occurs.</param>
/// <param name="daysOfWeek">The accepted days of the week when the event can occurs.</param>
/// <param name="monthOfYear">The month when the event occurs.</param>
/// <param name="interval">The interval of occurrences in number of years.</param>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="monthOfYear"/> is less than 1 or greater than 12. Or,
/// <paramref name="interval"/> is less than 1.
/// </exception>
public YearlyWeekPattern(WeekOfMonth weekOfMonth, DaysOfTheWeek daysOfWeek, int monthOfYear, int interval = 1)
{
Contract.Requires <ArgumentOutOfRangeException>(monthOfYear >= 1 && monthOfYear <= 12, nameof(monthOfYear));
Contract.Requires <ArgumentOutOfRangeException>(interval >= 1, nameof(interval));
MonthOfYear = monthOfYear;
WeekOfMonth = weekOfMonth;
DaysOfWeek = daysOfWeek & DaysOfTheWeek.Any;
Interval = interval;
}
/// <summary>
/// Get statistiques per weeks of current month.
/// Each month has four weeks (1, 2, 3 and 4)
/// </summary>
/// <param name="week"></param>
/// <returns></returns>
public List<Entities.StandardEntity> GetStatistiques(WeekOfMonth week)
{
switch (week)
{
case WeekOfMonth.FirstWeek:
return GetStatistiquesForFirstWeek();
case WeekOfMonth.SecondWeek:
return GetStatistiquesForSecondWeek();
case WeekOfMonth.ThirdWeek:
return GetStatistiquesForThirdWeek();
case WeekOfMonth.FourthWeek:
return GetStatistiquesForFourthWeek();
default:
return null;
}
}
/// <summary>
/// Gets a specific day in a specific week in a month and day of the week.
/// </summary>
/// <param name="month">The month datetime to evaluate.</param>
/// <param name="weekOfMonth">The week of the month.</param>
/// <param name="dayOfWeek">The day of the week.</param>
/// <returns>The new adjusted date.</returns>
public static DateTime GetDayFromWeekOfMonth(DateTime month, WeekOfMonth weekOfMonth, DayOfWeek dayOfWeek)
{
DateTime currentDate = new DateTime(month.Year, month.Month, 1);
DateTime newDate = currentDate;
Int32 currentWeek = (int)weekOfMonth;
// No need to do any adjustments because the first of the month is the specified date already.
if (weekOfMonth == WeekOfMonth.First && dayOfWeek == currentDate.DayOfWeek)
{
return(currentDate);
}
// This date already falls on the specified day of the week.
// We can simply add the number of weeks from what was given.
if (currentDate.DayOfWeek == dayOfWeek)
{
return(newDate.AddDays(currentWeek * 7));
}
if (currentDate.DayOfWeek < dayOfWeek)
{
// When the specified day of week is greater than the current date's day of week,
// we can add the difference to get to the same day.
newDate = newDate.AddDays(dayOfWeek - newDate.DayOfWeek);
}
else
{
// Go backwards to get to the first of the week.
newDate = newDate.AddDays(-(int)newDate.DayOfWeek);
// When we go outside the current month, make sure to increment a week.
if (newDate.Month != currentDate.Month)
{
currentWeek++;
}
// Add the number of days to get to the specified day of week.
newDate = newDate.AddDays((int)dayOfWeek);
}
// Simply add the number of weeks to get to the specified date.
newDate = newDate.AddDays(currentWeek * 7);
// If adding too many days in the current month takes us to next month, go back a week.
return(newDate.Month != currentDate.Month ? newDate.AddDays(-7) : newDate);
}
private static int GetWeekOrdinalFromEnum(WeekOfMonth week)
{
switch (week)
{
case WeekOfMonth.First: return(0);
case WeekOfMonth.Second: return(1);
case WeekOfMonth.Third: return(2);
case WeekOfMonth.Fourth: return(3);
case WeekOfMonth.Last: return(4);
default: throw new Exception("Error converting Week enum to ordinal!");
}
}
private DateTime GetNthSpecificDay(int year, int month, int hrs, int min, WeekOfMonth weekOfMonth, DayOfWeek dayOfWeek)
{
DateTime date = new DateTime(year, month, 1, hrs, min, 0);
while (date.DayOfWeek != dayOfWeek)
{
date = date.AddDays(1);
}
switch (weekOfMonth)
{
case WeekOfMonth.first:
//returns the default value
break;
case WeekOfMonth.second:
date = date.AddDays(7);
break;
case WeekOfMonth.third:
date = date.AddDays(14);
break;
case WeekOfMonth.fourth:
date = date.AddDays(21);
break;
case WeekOfMonth.last:
default:
var lastday = DateTime.DaysInMonth(year, month);
date = new DateTime(year, month, lastday, hrs, min, 0);
while (date.DayOfWeek != dayOfWeek)
{
date = date.AddDays(-1);
}
break;
}
return(date);
}
/// <summary>
/// Gets the next date from the year and month of current date.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="weekOfMonth">The week of month.</param>
/// <param name="dayOfWeek">The day of week.</param>
/// <returns></returns>
public static DateTime Get(this DateTime value, WeekOfMonth weekOfMonth, DayOfWeek dayOfWeek)
{
var startDate = new DateTime(value.Year, value.Month, 1);
var date = startDate;
var i = (int)weekOfMonth;
if (date.DayOfWeek == dayOfWeek && weekOfMonth == WeekOfMonth.First)
{
return(date);
}
if (date.DayOfWeek == dayOfWeek)
{
return(date.AddDays((int)weekOfMonth * 7));
}
var e = (int)dayOfWeek;
var s = (int)date.DayOfWeek;
if (s < e)
{
date = date.AddDays(e - s);
}
else
{
date = date.AddDays(-s);
if (date.Month != startDate.Month)
{
i++;
}
date = date.AddDays(e);
}
date = date.AddDays(i * 7);
return(date.Month != startDate.Month ? date.AddDays(-7) : date);
}
/// <summary>
/// Returns the date for a specific occurrence of a given day of the week in a specified month of a the year.
/// </summary>
/// <param name="weekOfMonth">The week instance of the month.</param>
/// <param name="dayOfWeek">The day of the week.</param>
/// <param name="month">The month of the year.</param>
/// <param name="year">The year.</param>
/// <returns>A <see cref="DateTime"/> value.</returns>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="year"/> is less than 1 or greater than 9999. Or,
/// <paramref name="month"/> is less than 1 or greater than 12.
/// </exception>
public static DateTime DateFor(WeekOfMonth weekOfMonth, DayOfWeek dayOfWeek, int month, int year)
{
Contract.Requires <ArgumentOutOfRangeException>(year >= 1 && year <= 9999, nameof(year));
Contract.Requires <ArgumentOutOfRangeException>(month >= 1 && month <= 12, nameof(month));
var firstOfMonth = new DateTime(year, month, 1);
var daysInWholeWeeks = ((int)weekOfMonth - 1) * DaysPerWeek;
var daysFromStartOfMonth = dayOfWeek.DaysFromStartOfTheWeek() - firstOfMonth.DayOfWeek.DaysFromStartOfTheWeek();
if (daysFromStartOfMonth < 0)
{
daysFromStartOfMonth += DaysPerWeek;
}
daysFromStartOfMonth += daysInWholeWeeks;
if (weekOfMonth == WeekOfMonth.Last && daysFromStartOfMonth >= DateTime.DaysInMonth(year, month))
{
daysFromStartOfMonth -= DaysPerWeek;
}
return(firstOfMonth.AddDays(daysFromStartOfMonth));
}
public DynamicClockTransition(int hoursToChange, WeekOfMonth weekOfMonth, DayOfWeek dayOfWeek, int month, TimeSpan transitionTimeOfDay)
{
if (month < 1 || month > 12)
throw new ArgumentOutOfRangeException("month", "Invalid month.");
if (!Enum.IsDefined(typeof(DayOfWeek), dayOfWeek))
throw new ArgumentException("Invalid day of week.", "dayOfWeek");
if (!Enum.IsDefined(typeof(WeekOfMonth), weekOfMonth))
throw new ArgumentException("Invalid week of month.", "weekOfMonth");
if (transitionTimeOfDay < TimeSpan.Zero || transitionTimeOfDay.Days > 0)
throw new ArgumentOutOfRangeException("transitionTimeOfDay", "The transition timespan must be a valid time of day.");
if (hoursToChange != -1 && hoursToChange != 1)
throw new ArgumentOutOfRangeException("hoursToChange", "The change should be -1 or +1 hours.");
Month = month;
DayOfWeek = dayOfWeek;
WeekOfMonth = weekOfMonth;
TransitionTimeOfDay = transitionTimeOfDay;
HoursToChange = hoursToChange;
}
internal static string ToSerializedValue(this WeekOfMonth value)
{
switch (value)
{
case WeekOfMonth.First:
return("First");
case WeekOfMonth.Second:
return("Second");
case WeekOfMonth.Third:
return("Third");
case WeekOfMonth.Fourth:
return("Fourth");
case WeekOfMonth.Last:
return("Last");
case WeekOfMonth.Invalid:
return("Invalid");
}
return(null);
}
/// <summary>
/// Gets the next date.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="year">The year.</param>
/// <param name="monthOfYear">The month of year.</param>
/// <param name="weekOfMonth">The week of month.</param>
/// <param name="dayOfWeek">The day of week.</param>
/// <returns></returns>
public static DateTime Get(this DateTime value, int year, MonthOfYear monthOfYear, WeekOfMonth weekOfMonth, DayOfWeek dayOfWeek)
{
var dateTime = new DateTime(year, (int)monthOfYear + 1, 1);
return(dateTime.Get(weekOfMonth, dayOfWeek));
}
/// <summary>
/// Returns a yearly reoccurring pattern when events occur on one of the specified days of the week and a
/// specific week of a month of the year.
/// </summary>
/// <param name="weekOfMonth">The week of the month when the event occurs.</param>
/// <param name="daysOfWeek">The accepted days of the week when the event can occur.</param>
/// <param name="monthOfYear">The month when the event occurs.</param>
/// <param name="interval">The interval of occurrences in number of years.</param>
/// <returns>An instance of <see cref="YearlyWeekPattern"/> class.</returns>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="interval"/> is less than 1.</exception>
public static YearlyWeekPattern Yearly(WeekOfMonth weekOfMonth, DaysOfTheWeek daysOfWeek, MonthOfYear monthOfYear, int interval = 1)
{
return(new YearlyWeekPattern(weekOfMonth, daysOfWeek, (int)monthOfYear, interval));
}
public void SetCurrentWeek(WeekOfMonth currentWeek)
{
First.IsCurrent = false;
Second.IsCurrent = false;
Third.IsCurrent = false;
Fourth.IsCurrent = false;
switch (currentWeek)
{
case WeekOfMonth.FirstWeek:
First.IsCurrent = true;
break;
case WeekOfMonth.SecondWeek:
Second.IsCurrent = true;
break;
case WeekOfMonth.ThirdWeek:
Third.IsCurrent = true;
break;
case WeekOfMonth.FourthWeek:
Fourth.IsCurrent = true;
break;
default:
break;
}
}
/// <summary>
/// Returns a yearly reoccurring pattern when events occur on a specific day of the week and a
/// specific week of a month of the year.
/// </summary>
/// <param name="weekOfMonth">The week of the month when the event occurs.</param>
/// <param name="dayOfWeek">The day of the week when the event occurs.</param>
/// <param name="monthOfYear">The month when the event occurs.</param>
/// <param name="interval">The interval of occurrences in number of years.</param>
/// <returns>An instance of <see cref="YearlyWeekPattern"/> class.</returns>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="monthOfYear"/> is less than 1 or greater than 12. Or,
/// <paramref name="interval"/> is less than 1.
/// </exception>
public static YearlyWeekPattern Yearly(WeekOfMonth weekOfMonth, DayOfWeek dayOfWeek, int monthOfYear, int interval = 1)
{
return(new YearlyWeekPattern(weekOfMonth, dayOfWeek.ToDaysOfWeek(), monthOfYear, interval));
}
private DateTime GetNthWeekDay(int year, int month, int hrs, int min, WeekOfMonth weekOfMonth)
{
DateTime date = new DateTime(year, month, 1, hrs, min, 0);
while (date.DayOfWeek == DayOfWeek.Saturday || date.DayOfWeek == DayOfWeek.Sunday)
{
date = date.AddDays(1);
}
switch (weekOfMonth)
{
case WeekOfMonth.first:
break;
case WeekOfMonth.second:
date = date.AddDays(1);
while (date.DayOfWeek == DayOfWeek.Saturday || date.DayOfWeek == DayOfWeek.Sunday)
{
date = date.AddDays(1);
}
break;
case WeekOfMonth.third:
date = date.AddDays(2);
while (date.DayOfWeek == DayOfWeek.Saturday || date.DayOfWeek == DayOfWeek.Sunday)
{
date = date.AddDays(2);
}
break;
case WeekOfMonth.fourth:
switch (date.DayOfWeek)
{
case DayOfWeek.Monday:
case DayOfWeek.Tuesday:
date = date.AddDays(3);
break;
case DayOfWeek.Wednesday:
date = date.AddDays(5);
break;
case DayOfWeek.Thursday:
case DayOfWeek.Friday:
date = date.AddDays(5);
break;
}
break;
case WeekOfMonth.last:
default:
var lastday = DateTime.DaysInMonth(year, month);
date = new DateTime(year, month, lastday, hrs, min, 0);
while (date.DayOfWeek == DayOfWeek.Saturday || date.DayOfWeek == DayOfWeek.Sunday)
{
date = date.AddDays(-1);
}
break;
}
return(date);
}
/// <summary>
/// Returns a monthly reoccurring pattern when events occur on a specific day of the week and a
/// specific week of the month.
/// </summary>
/// <param name="weekOfMonth">The week of the month when the event occurs.</param>
/// <param name="dayOfWeek">The day of the week when the event occurs.</param>
/// <param name="interval">The interval of occurrences in number of months.</param>
/// <returns>An instance of <see cref="MonthlyWeekPattern"/> class.</returns>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="interval"/> is less than 1.</exception>
public static MonthlyWeekPattern Monthly(WeekOfMonth weekOfMonth, DayOfWeek dayOfWeek, int interval = 1)
{
return(new MonthlyWeekPattern(weekOfMonth, dayOfWeek.ToDaysOfWeek(), interval));
}
public void Date_For_Nth_DayOfWeek_Occurrence_In_MonthOfYear_InvalidParam(WeekOfMonth weekOfMonth, DayOfWeek dayOfWeek, int month, int year)
{
Assert.Throws <ArgumentOutOfRangeException>(() => DateUtils.DateFor(weekOfMonth, dayOfWeek, month, year));
}
public string Date_For_Nth_DayOfWeek_Occurrence_In_MonthOfYear(WeekOfMonth weekOfMonth, DayOfWeek dayOfWeek, MonthOfYear month, int year)
{
return(DateUtils.DateFor(weekOfMonth, dayOfWeek, month, year).ToString("yyyy-MM-dd"));
}
public IEnumerable <DateTime> Recurrences(WeekOfMonth weekOfMonth, DaysOfTheWeek daysOfWeek, MonthOfYear monthOfYear, int interval, DateTime start, int count)
{
var pattern = Recurrent.Yearly(weekOfMonth, daysOfWeek, monthOfYear, interval);
return(pattern.GetRecurrencesStartingAt(start).Take(count).ToArray());
}
/// <summary>
/// Returns the date for a specific occurrence of a given day of the week in a specific month of the year.
/// </summary>
/// <param name="weekOfMonth">The week of the month.</param>
/// <param name="dayOfWeek">The day of the week.</param>
/// <param name="monthOfYear">The month of the year.</param>
/// <param name="year">The year.</param>
/// <returns>A <see cref="DateTime"/> value.</returns>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="year"/> is less than 1 or greater than 9999.</exception>
public static DateTime DateFor(WeekOfMonth weekOfMonth, DayOfWeek dayOfWeek, MonthOfYear monthOfYear, int year)
{
return(DateFor(weekOfMonth, dayOfWeek, (int)monthOfYear, year));
}
