/// <summary>
/// Détermine si une année a 53 semaines officielles au lieu de 52.
/// </summary>
/// <param name="year">L'année.</param>
/// <returns>Vrai si 53 semaines ; Faux sinon.</returns>
public static bool YearIs53Week(int year)
{
DayOfWeek[] endOfWeekDays = new DayOfWeek[] { DayOfWeek.Friday, DayOfWeek.Saturday, DayOfWeek.Sunday };
DateTime firstDayOfNextYear = new DateTime(year + 1, 1, 1);
return(endOfWeekDays.Contains(firstDayOfNextYear.DayOfWeek));
}
//1
private static void NombreDejours(int month, int year)
{
var weekends = new DayOfWeek[] { DayOfWeek.Saturday, DayOfWeek.Sunday };
int daysInMonth = DateTime.DaysInMonth(year, month);
IEnumerable <int> businessDaysInMonth = Enumerable.Range(1, daysInMonth)
.Where(d => !weekends.Contains(new DateTime(year, month, d).DayOfWeek));
Console.WriteLine(businessDaysInMonth.ToArray().Length + " jours ouvrés");
}
public static List<int> BusinessDays(DayOfWeek[] WeekEndDays, int Year, int Month)
{
List<int> days = new List<int>();
//Fetch the amount of days in your given month
int daysInMonth = DateTime.DaysInMonth(Year, Month);
//Here we create and enumerable from 1 to daysInMonth
//and ask whether the Datetime object we create belongs to a weekend day,
//if it doen't add it to our IEumerable<int> collection of days.
IEnumerable<int> businessDaysInMonth = Enumerable.Range(1, daysInMonth).Where(d => !WeekEndDays.Contains(new DateTime(Year, Month, d).DayOfWeek));
days.AddRange(businessDaysInMonth);
return days;
}
public static DateTime[] DatesInInterval(this DateTime start, DateTime end, params DayOfWeek[] DayOfWeek)
{
var datesInterval = new List <DateTime>();
var date = new DateTime(start.Year, start.Month, start.Day);
while (date <= end)
{
if (DayOfWeek.Contains(date.DayOfWeek))
{
datesInterval.Add(date);
}
date = date.AddDays(1);
}
return(datesInterval.ToArray());
}
public static int GetBussinessDays(int month, int year)
{
var weekends = new DayOfWeek[] { DayOfWeek.Saturday, DayOfWeek.Sunday };
//Fetch the amount of days in your given month.
int daysInMonth = DateTime.DaysInMonth(year, month);
//Here we create an enumerable from 1 to daysInMonth,
//and ask whether the DateTime object we create belongs to a weekend day,
//if it doesn't, add it to our IEnumerable<int> collection of days.
IEnumerable <int> businessDaysInMonth = Enumerable.Range(1, daysInMonth)
.Where(d => !weekends.Contains(new DateTime(year, month, d).DayOfWeek));
return(businessDaysInMonth.Count());
}
public void Days_of_week_preference_determines_correct_result()
{
IEnumerable <DayOfWeek> daysOfWeek = new DayOfWeek[] { DayOfWeek.Friday, DayOfWeek.Monday };
IPreference preference = new DaysOfWeekPreference(daysOfWeek);
for (int d = 4; d <= 10; d++)
{
DateTime date = new DateTime(2020, 10, d);
if (daysOfWeek.Contains(date.DayOfWeek))
{
preference.SendOnDate(date).ShouldBeTrue($"Testing {date.DayOfWeek}");
}
else
{
preference.SendOnDate(date).ShouldBeFalse($"Testing {date.DayOfWeek}");
}
}
}
/// <summary>
/// Remove business days on a DateTime
/// </summary>
/// <param name="date">Date to remove days</param>
/// <param name="days">Days to remove</param>
/// <param name="businessDays">Business days</param>
/// <returns>date</returns>
public static DateTime RemoveBusinessDays(this DateTime date, int days, DayOfWeek[] businessDays)
{
days = Math.Abs(days);
if (businessDays == null || businessDays.Count() == 0)
businessDays = BaseDateTimeExtensions.GetDefaultBusinessDays();
var finalCount = 0;
while (true)
{
if (businessDays.Contains(date.DayOfWeek))
finalCount++;
date = date.AddDays(-1);
if (days == finalCount)
break;
}
return date;
}
public List <DateTime> DatesForAttendance(DateTime firstTime, long groupId, int attendanceDays)
{
List <CalendarEvent> calendarEvents = _db.CalendarEvents.Where(c => c.GroupId == groupId).ToList();
DayOfWeek[] dayOfWeeks = new DayOfWeek[calendarEvents.Count];
for (int i = 0; i < calendarEvents.Count; i++)
{
dayOfWeeks[i] = calendarEvents[i].DayOfWeek;
}
DateTime days;
if (dayOfWeeks.Length == 3)
{
days = firstTime.AddDays(40);
}
else if (dayOfWeeks.Length == 2)
{
days = firstTime.AddDays(50);
}
else
{
days = firstTime.AddDays(90);
}
List <DateTime> dates = Enumerable.Range(0, days.Subtract(firstTime).Days)
.Select(offset => firstTime.AddDays(offset))
.Where(d => dayOfWeeks.Contains(d.DayOfWeek))
.ToList();
DateTime [] dateTimes = new DateTime[attendanceDays];
for (int i = 0; i < attendanceDays; i++)
{
dateTimes[i] = dates[i];
}
return(dateTimes.ToList());
}
public void SetSchedule(DayOfWeek[] days, HourOfDay fromHour, MinuteOfHour fromMinute, HourOfDay toHour, MinuteOfHour toMinute)
{
if (!days.Contains (DayOfWeek.Sunday))
{
int num = 0;
while (num < (int)days.Length)
{
if (days[num] < DayOfWeek.Sunday || days[num] > DayOfWeek.Saturday)
{
throw new InvalidEnumArgumentException("days", (int)days[num], typeof(DayOfWeek));
}
else
{
num++;
}
}
for (int i = 0; i < (int)days.Length; i++)
{
this.SetSchedule(days[i], fromHour, fromMinute, toHour, toMinute);
}
return;
}
else
{
throw new ArgumentNullException("days");
}
}
/// <summary>
/// Get end of business month
/// </summary>
/// <param name="date">base date</param>
/// <param name="businessDays">business days list</param>
/// <returns>End of business month from date</returns>
public static DateTime EndOfBusinessMonth(this DateTime date, DayOfWeek[] businessDays)
{
date = date.EndOfMonth();
if (businessDays == null || businessDays.Count() == 0)
businessDays = BaseDateTimeExtensions.GetDefaultBusinessDays();
while (true)
{
if (businessDays.Contains(date.DayOfWeek))
return date;
date = date.AddDays(-1);
}
}