public int CalculateTollFee(VehicleType vehicleType, IEnumerable <DateTime> dates) =>
feeFreeVehicleChecker.IsFeeFreeVehicle(vehicleType) ||
weekendChecker.IsWeekend(dates.First()) ||
holidayChecker.IsHoliday(dates.First())
? noTollFee
: dailyFeeCalculator.CalculateDailyFee(dates.Select(x => x.TimeOfDay));
/// <summary>
/// カレンダーを示す 2 次元配列を生成します。
/// </summary>
/// <param name="year">生成するカレンダーの年。</param>
/// <param name="month">生成するカレンダーの月。</param>
/// <param name="holidayChecker">カレンダー生成の際に利用する <see cref="IHolidayChecker" />></param>
/// <param name="days">日が格納された 2 次元配列 (6 * 7)。最終行が 5 行目の時は 6 行目は -1 となります。</param>
/// <param name="isHoliday">対応する日が祝日かを示す 2 次元配列 (6 * 7)。</param>
/// <param name="isThisMonth">配列に格納された日が、指定された月であるか、空白を埋めるための先月 or 来月であるかを示す 2 次元配列 (6 * 7)。</param>
/// <param name="lastRow">最終行を示します。</param>
public static void GetCalendar(int year, int month, IHolidayChecker holidayChecker, out int[,] days, out bool[,] isHoliday, out bool[,] isThisMonth, out int lastRow)
{
days = new int[6, 7];
isHoliday = new bool[6, 7];
isThisMonth = new bool[6, 7];
var beginDayOfWeek = (int)(new DateTime(year, month, 1).DayOfWeek);
int endDay;
if (month == 12)
{
endDay = (new DateTime(year + 1, 1, 1) - TimeSpan.FromDays(1)).Day;
}
else
{
endDay = (new DateTime(year, month + 1, 1) - TimeSpan.FromDays(1)).Day;
}
int endDayOfPrev = (new DateTime(year, month, 1) - TimeSpan.FromDays(1)).Day;
int day = 1;
int startRow = 0;
if (beginDayOfWeek == 0)
{
startRow = 1;
}
int prevDay = endDayOfPrev - beginDayOfWeek + 1;
if (beginDayOfWeek == 0)
{
prevDay -= 7;
}
int nextDay = 1;
lastRow = -1;
for (int i = 0; i < days.GetLength(0); i++)
{
for (int j = 0; j < days.GetLength(1); j++)
{
if (i < startRow || i == startRow && j < beginDayOfWeek)
{
days[i, j] = prevDay;
isThisMonth[i, j] = false;
if (month == 1)
{
if (holidayChecker == null)
{
isHoliday[i, j] = false;
}
else
{
isHoliday[i, j] = holidayChecker.IsHoliday(year - 1, 12, prevDay);
}
}
else
{
if (holidayChecker == null)
{
isHoliday[i, j] = false;
}
else
{
isHoliday[i, j] = holidayChecker.IsHoliday(year, month - 1, prevDay);
}
}
prevDay++;
}
else if (day <= endDay)
{
days[i, j] = day;
isThisMonth[i, j] = true;
if (holidayChecker == null)
{
isHoliday[i, j] = false;
}
else
{
isHoliday[i, j] = holidayChecker.IsHoliday(year, month, day);
}
day++;
}
else
{
if (lastRow < 0)
{
lastRow = i;
}
if (lastRow == i)
{
days[i, j] = nextDay;
isThisMonth[i, j] = false;
if (month == 12)
{
if (holidayChecker == null)
{
isHoliday[i, j] = false;
}
else
{
isHoliday[i, j] = holidayChecker.IsHoliday(year + 1, 1, nextDay);
}
}
else
{
if (holidayChecker == null)
{
isHoliday[i, j] = false;
}
else
{
isHoliday[i, j] = holidayChecker.IsHoliday(year, month + 1, nextDay);
}
}
nextDay++;
}
else
{
days[i, j] = -1;
isThisMonth[i, j] = false;
isHoliday[i, j] = false;
}
}
}
}
}
