/// <summary>
/// Initialize a new instance based on the specified <paramref name="timestamp"/>.
/// </summary>
/// <param name="timestamp">A timestamp.</param>
public EssentialsDateWeek(EssentialsDateTime timestamp)
{
Week = Iso8601Utils.GetWeekNumber(timestamp.DateTime);
Start = TimeUtils.GetFirstDayOfWeek(timestamp.DateTime);
End = TimeUtils.GetLastDayOfWeek(timestamp.DateTime);
if (End.Month == 1 && Week == 1)
{
Year = End.Year;
}
else if (Start.Month == 12 && Week >= 50)
{
Year = Start.Year;
}
else
{
Year = timestamp.Year;
}
}
/// <summary>
/// Gets the first day of the week of the specified <paramref name="date"/> and based on <paramref name="startOfWeek"/>.
/// </summary>
/// <param name="date">The date.</param>
/// <param name="startOfWeek">The first day of the week (eg. <see cref="DayOfWeek.Monday"/> or
/// <see cref="DayOfWeek.Sunday"/>).</param>
/// <returns>An instance of <see cref="DateTimeOffset"/> representing the first day of the week.</returns>
public static DateTimeOffset GetFirstDayOfWeek(DateTimeOffset date, DayOfWeek startOfWeek)
{
return(TimeUtils.GetFirstDayOfWeek(date, startOfWeek));
}
/// <summary>
/// Gets the first day of the week of the specified <paramref name="date"/>. Monday is considered the first day of
/// the week.
/// </summary>
/// <param name="date">The date.</param>
/// <returns>An instance of <see cref="DateTime"/> representing the first day of the week.</returns>
public static DateTime GetFirstDayOfWeek(DateTime date)
{
return(TimeUtils.GetFirstDayOfWeek(date));
}
