public static YearAndHalfyear PreviousHalfyear(HalfyearKind startHalfyearKind) {
int year;
HalfyearKind halfyear;
PreviousHalfyear(startHalfyearKind, out year, out halfyear);
return new YearAndHalfyear(year, halfyear);
}
public static DateTime EndTimeOfHalfyear(this int year, HalfyearKind halfyearKind,
int yearStartMonth = TimeSpec.CalendarYearStartMonth)
{
return
(StartTimeOfHalfyear(new DateTime(year, TimeSpec.MonthsPerHalfyear * (int)halfyearKind + 1, 1), yearStartMonth)
.AddMonths(TimeSpec.MonthsPerYear)
.Add(TimeSpec.MinNegativeDuration));
}
public static void AddHalfyear(int startYear, HalfyearKind startHalfyearKind, int count, out int year, out HalfyearKind halfyear) {
int offsetYear = (Math.Abs(count) / TimeSpec.HalfyearsPerYear) + 1;
int startHalfyearCount = ((startYear + offsetYear) * TimeSpec.HalfyearsPerYear) + ((int)startHalfyearKind - 1);
int targetHalfyearCount = startHalfyearCount + count;
year = (targetHalfyearCount / TimeSpec.HalfyearsPerYear) - offsetYear;
halfyear = (HalfyearKind)((targetHalfyearCount % TimeSpec.HalfyearsPerYear) + 1);
}
public static YearAndHalfyear PreviousHalfyear(HalfyearKind startHalfyearKind)
{
int year;
HalfyearKind halfyear;
PreviousHalfyear(startHalfyearKind, out year, out halfyear);
return(new YearAndHalfyear(year, halfyear));
}
public static YearAndHalfyear AddHalfyear(this HalfyearKind startHalfyearKind, int startYear, int count)
{
int year;
HalfyearKind halfyear;
AddHalfyear(startYear, startHalfyearKind, count, out year, out halfyear);
return(new YearAndHalfyear(year, halfyear));
}
public static void AddHalfyear(int startYear, HalfyearKind startHalfyearKind, int count, out int year, out HalfyearKind halfyear)
{
int offsetYear = (Math.Abs(count) / TimeSpec.HalfyearsPerYear) + 1;
int startHalfyearCount = ((startYear + offsetYear) * TimeSpec.HalfyearsPerYear) + ((int)startHalfyearKind - 1);
int targetHalfyearCount = startHalfyearCount + count;
year = (targetHalfyearCount / TimeSpec.HalfyearsPerYear) - offsetYear;
halfyear = (HalfyearKind)((targetHalfyearCount % TimeSpec.HalfyearsPerYear) + 1);
}
private static TimeRange GetPeriodOf(int baseMonth, int year, HalfyearKind halfyear, int halfyearCount)
{
halfyearCount.ShouldBePositive("halfyearCount");
var yearStart = new DateTime(year, baseMonth, 1);
var start = yearStart.AddMonths(((int)halfyear - 1) * TimeSpec.MonthsPerHalfyear);
var end = start.AddMonths(halfyearCount * TimeSpec.MonthsPerHalfyear);
return(new TimeRange(start, end));
}
protected HalfyearTimeRange(int startYear, HalfyearKind startHalfyearKind, int halfyearCount, ITimeCalendar calendar)
: base(GetPeriodOf(calendar.YearBaseMonth, startYear, startHalfyearKind, halfyearCount), calendar) {
StartYear = startYear;
StartHalfyear = startHalfyearKind;
HalfyearCount = halfyearCount;
var endYearAndHalfyear = TimeTool.AddHalfyear(startHalfyearKind, startYear, halfyearCount - 1);
EndYear = endYearAndHalfyear.Year ?? StartYear;
EndHalfyear = endYearAndHalfyear.Halfyear ?? StartHalfyear;
}
public static int[] GetMonthsOfHalfyear(this HalfyearKind halfyear)
{
switch (halfyear)
{
case HalfyearKind.First:
return(TimeSpec.FirstHalfyearMonths);
case HalfyearKind.Second:
return(TimeSpec.SecondHalfyearMonths);
}
throw new InvalidOperationException("Invalid year halfyear " + halfyear);
}
/// <summary>
/// 지정한 달력 기준으로 지정된 년도의 반기(전반기/후반기)의 기간
/// </summary>
public static TimeSpan Halfyear(int year, HalfyearKind halfyear = HalfyearKind.First, Calendar calendar = null)
{
calendar = calendar ?? CurrentCalendar;
var halfyearMonths = TimeTool.GetMonthsOfHalfyear(halfyear);
var duration = TimeSpec.NoDuration;
foreach (var halfyearMonth in halfyearMonths)
{
duration = duration.Add(Month(year, halfyearMonth, calendar));
}
return(duration);
}
protected HalfyearTimeRange(int startYear, HalfyearKind startHalfyearKind, int halfyearCount, ITimeCalendar calendar)
: base(GetPeriodOf(calendar.YearBaseMonth, startYear, startHalfyearKind, halfyearCount), calendar)
{
StartYear = startYear;
StartHalfyear = startHalfyearKind;
HalfyearCount = halfyearCount;
var endYearAndHalfyear = TimeTool.AddHalfyear(startHalfyearKind, startYear, halfyearCount - 1);
EndYear = endYearAndHalfyear.Year ?? StartYear;
EndHalfyear = endYearAndHalfyear.Halfyear ?? StartHalfyear;
}
/// <summary>
/// 지정한 년도의 반기를 표현하는 문자열을 반환합니다.
/// </summary>
/// <param name="year"></param>
/// <param name="halfyear"></param>
/// <returns></returns>
public string GetHalfYearOfYearName(int year, HalfyearKind halfyear)
{
switch (YearKind)
{
case YearKind.CalendarYear:
return(TimeStrings.CalendarHalfyearOfYearName(halfyear, year));
case YearKind.FiscalYear:
return(TimeStrings.FiscalHalfyearOfYearName(halfyear, year));
case YearKind.SchoolYear:
return(TimeStrings.SchoolHalfyearOfYearName(halfyear, year));
default:
return(TimeStrings.SystemHalfyearOfYearName(halfyear, year));
}
}
public void SingleHalfyearsTest()
{
const int startYear = 2004;
const HalfyearKind startHalfyear = HalfyearKind.Second;
var halfyears = new HalfyearRangeCollection(startYear, startHalfyear, 1);
halfyears.YearBaseMonth.Should().Be(1);
halfyears.HalfyearCount.Should().Be(1);
halfyears.StartHalfyear.Should().Be(startHalfyear);
halfyears.StartYear.Should().Be(startYear);
halfyears.EndYear.Should().Be(startYear);
halfyears.EndHalfyear.Should().Be(HalfyearKind.Second);
var halfyearList = halfyears.GetHalfyears().ToList();
halfyearList.Count.Should().Be(1);
halfyearList[0].IsSamePeriod(new HalfyearRange(2004, HalfyearKind.Second)).Should().Be.True();
}
public void SecondCalendarHalfyearsTest()
{
const int startYear = 2004;
const HalfyearKind startHalfyear = HalfyearKind.Second;
const int halfyearCount = 3;
var halfyears = new HalfyearRangeCollection(startYear, startHalfyear, halfyearCount);
halfyears.YearBaseMonth.Should().Be(1);
halfyears.HalfyearCount.Should().Be(halfyearCount);
halfyears.StartHalfyear.Should().Be(startHalfyear);
halfyears.StartYear.Should().Be(startYear);
halfyears.EndYear.Should().Be(2005);
halfyears.EndHalfyear.Should().Be(HalfyearKind.Second);
var halfyearList = halfyears.GetHalfyears().ToList();
halfyearList.Count.Should().Be(halfyearCount);
Assert.IsTrue(halfyearList[0].IsSamePeriod(new HalfyearRange(2004, HalfyearKind.Second)));
Assert.IsTrue(halfyearList[1].IsSamePeriod(new HalfyearRange(2005, HalfyearKind.First)));
Assert.IsTrue(halfyearList[2].IsSamePeriod(new HalfyearRange(2005, HalfyearKind.Second)));
}
public static void AddHalfyear(HalfyearKind startHalfyearKind, int count, out int year, out HalfyearKind halfyear) {
AddHalfyear(0, startHalfyearKind, count, out year, out halfyear);
}
public static void NextHalfyear(HalfyearKind startHalfyearKind, out int year, out HalfyearKind halfyear)
{
AddHalfyear(startHalfyearKind, 1, out year, out halfyear);
}
public HalfyearRange(int year, HalfyearKind halfyear) : this(year, halfyear, new TimeCalendar()) {}
public static void PreviousHalfyear(HalfyearKind startHalfyearKind, out int year, out HalfyearKind halfyear) {
AddHalfyear(startHalfyearKind, -1, out year, out halfyear);
}
public static string SystemHalfyearName(HalfyearKind halfyear)
{
return(Format(SystemHalfYearNameFormat, (int)halfyear));
}
public static YearAndHalfyear AddHalfyear(this HalfyearKind startHalfyearKind, int count)
{
return(AddHalfyear(startHalfyearKind, 0, count));
}
public HalfyearRangeCollection(int year, HalfyearKind halfyear, int halfyearCount, ITimeCalendar calendar)
: base(year, halfyear, halfyearCount, calendar) {}
public HalfyearRange(int year, HalfyearKind halfyear) : this(year, halfyear, new TimeCalendar())
{
}
public static string SystemHalfyearName(HalfyearKind halfyear) {
return Format(SystemHalfYearNameFormat, (int)halfyear);
}
public static string CalendarHalfyearOfYearName(HalfyearKind halfyear, int year) {
return Format(CalendarHalfyearOfYearNameFormat, (int)halfyear, year);
}
public HalfyearRange(int year, HalfyearKind halfyear, ITimeCalendar calendar) : base(year, halfyear, 1, calendar) {}
public static void AddHalfyear(HalfyearKind startHalfyearKind, int count, out int year, out HalfyearKind halfyear)
{
AddHalfyear(0, startHalfyearKind, count, out year, out halfyear);
}
private static TimeRange GetPeriodOf(int baseMonth, int year, HalfyearKind halfyear, int halfyearCount) {
halfyearCount.ShouldBePositive("halfyearCount");
var yearStart = new DateTime(year, baseMonth, 1);
var start = yearStart.AddMonths(((int)halfyear - 1) * TimeSpec.MonthsPerHalfyear);
var end = start.AddMonths(halfyearCount * TimeSpec.MonthsPerHalfyear);
return new TimeRange(start, end);
}
public HalfyearRangeCollection(int year, HalfyearKind halfyear, int halfyearCount)
: this(year, halfyear, halfyearCount, new TimeCalendar())
{
}
public static string CalendarHalfyearOfYearName(HalfyearKind halfyear, int year)
{
return(Format(CalendarHalfyearOfYearNameFormat, (int)halfyear, year));
}
public HalfyearRangeCollection(int year, HalfyearKind halfyear, int halfyearCount, ITimeCalendar calendar)
: base(year, halfyear, halfyearCount, calendar)
{
}
public static DateTime StartTimeOfHalfyear(this int year, HalfyearKind halfyearKind,
int yearStartMonth = TimeSpec.CalendarYearStartMonth)
{
return(StartTimeOfHalfyear(new DateTime(year, TimeSpec.MonthsPerHalfyear * (int)halfyearKind + 1, 1), yearStartMonth));
}
public HalfyearRange(int year, HalfyearKind halfyear, ITimeCalendar calendar) : base(year, halfyear, 1, calendar)
{
}
public static int StartMonthOfHalfyear(this HalfyearKind half)
{
return(((int)half - 1) * TimeSpec.MonthsPerHalfyear + 1);
}
public static string FiscalHalfyearName(HalfyearKind halfyear)
{
return(Format(FiscalHalfYearNameFormat, (int)halfyear));
}
public static void PreviousHalfyear(HalfyearKind startHalfyearKind, out int year, out HalfyearKind halfyear)
{
AddHalfyear(startHalfyearKind, -1, out year, out halfyear);
}
public static string SchoolHalfyearOfYearName(HalfyearKind halfyear, int year)
{
return(Format(SchoolHalfyearOfYearNameFormat, (int)halfyear, year));
}
public static void NextHalfyear(HalfyearKind startHalfyearKind, out int year, out HalfyearKind halfyear) {
AddHalfyear(startHalfyearKind, 1, out year, out halfyear);
}
public static DateTime StartTimeOfHalfyear(this int year, HalfyearKind halfyearKind,
int yearStartMonth = TimeSpec.CalendarYearStartMonth) {
return StartTimeOfHalfyear(new DateTime(year, TimeSpec.MonthsPerHalfyear * (int)halfyearKind + 1, 1), yearStartMonth);
}
public static int EndMonthOfHalfyear(this HalfyearKind half)
{
return(half.StartMonthOfHalfyear() + TimeSpec.MonthsPerHalfyear - 1);
}
public static string FiscalHalfyearName(HalfyearKind halfyear) {
return Format(FiscalHalfYearNameFormat, (int)halfyear);
}
public static DateTime EndTimeOfHalfyear(this int year, HalfyearKind halfyearKind,
int yearStartMonth = TimeSpec.CalendarYearStartMonth) {
return
StartTimeOfHalfyear(new DateTime(year, TimeSpec.MonthsPerHalfyear * (int)halfyearKind + 1, 1), yearStartMonth)
.AddMonths(TimeSpec.MonthsPerYear)
.Add(TimeSpec.MinNegativeDuration);
}
public static string SchoolHalfyearOfYearName(HalfyearKind halfyear, int year) {
return Format(SchoolHalfyearOfYearNameFormat, (int)halfyear, year);
}
public HalfyearRangeCollection(int year, HalfyearKind halfyear, int halfyearCount)
: this(year, halfyear, halfyearCount, new TimeCalendar()) {}