public override CompileResult Execute(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
var functionArguments = arguments as FunctionArgument[] ?? arguments.ToArray();
ValidateArguments(functionArguments, 2);
var startDate = System.DateTime.FromOADate(ArgToInt(functionArguments, 0));
var nWorkDays = ArgToInt(functionArguments, 1);
WorkdayCalculator calculator = new WorkdayCalculator();
var weekdayFactory = new HolidayWeekdaysFactory();
if (functionArguments.Length > 2)
{
var holidayArg = functionArguments[2].Value;
if (Regex.IsMatch(holidayArg.ToString(), "^[01]{7}"))
{
calculator = new WorkdayCalculator(weekdayFactory.Create(holidayArg.ToString()));
}
else if (IsNumeric(holidayArg))
{
var holidayCode = Convert.ToInt32(holidayArg);
calculator = new WorkdayCalculator(weekdayFactory.Create(holidayCode));
}
else
{
return(new CompileResult(eErrorType.Value));
}
}
var result = calculator.CalculateWorkday(startDate, nWorkDays);
if (functionArguments.Length > 3)
{
result = calculator.AdjustResultWithHolidays(result, functionArguments[3]);
}
return(new CompileResult(result.EndDate.ToOADate(), DataType.Integer));
}
/// <summary>
/// Execute returns the calculator with the given weekend days.
/// </summary>
/// <param name="weekend">The user specified weekend code that indicates the weekend</param>
/// <returns>The calculator with set weekend days.</returns>
protected virtual WorkdayCalculator GetCalculator(object weekend)
{
var calculator = new WorkdayCalculator();
var weekdayFactory = new HolidayWeekdaysFactory();
if (weekend == null)
{
int defaultWeekend = 1;
calculator = new WorkdayCalculator(weekdayFactory.Create(defaultWeekend));
}
else if (Regex.IsMatch(weekend.ToString(), "^[01]{7}"))
{
var weekendDayOfWeek = weekdayFactory.Create(weekend.ToString());
if (weekendDayOfWeek == null)
{
return(null);
}
calculator = new WorkdayCalculator(weekendDayOfWeek);
}
else if (this.IsNumeric(weekend))
{
var holidayCode = Convert.ToInt32(weekend);
var weekendDayOfWeek = weekdayFactory.Create(holidayCode);
if (weekendDayOfWeek == null)
{
return(null);
}
calculator = new WorkdayCalculator(weekendDayOfWeek);
}
else
{
return(null);
}
return(calculator);
}
/// <summary>
/// Execute returns the number of whole workdays between two specified dates with optional specified weekends days.
/// </summary>
/// <param name="arguments">The user specified start date, end date, and optional number of days that are weekends.</param>
/// <param name="context">Not used, but needed to override the method.</param>
/// <returns>The number of workdays as an integer value.</returns>
public override CompileResult Execute(IEnumerable <FunctionArgument> arguments, ParsingContext context)
{
var functionArguments = arguments as FunctionArgument[] ?? arguments.ToArray();
if (this.ArgumentsAreValid(arguments, 2, out eErrorType argumentError) == false)
{
return(new CompileResult(argumentError));
}
var startDate = System.DateTime.FromOADate(ArgToInt(functionArguments, 0));
var endDate = System.DateTime.FromOADate(ArgToInt(functionArguments, 1));
WorkdayCalculator calculator = new WorkdayCalculator();
var weekdayFactory = new HolidayWeekdaysFactory();
if (functionArguments.Length > 2)
{
var holidayArg = functionArguments[2].Value;
if (Regex.IsMatch(holidayArg.ToString(), "^[01]{7}"))
{
calculator = new WorkdayCalculator(weekdayFactory.Create(holidayArg.ToString()));
}
else if (IsNumeric(holidayArg))
{
var holidayCode = Convert.ToInt32(holidayArg);
calculator = new WorkdayCalculator(weekdayFactory.Create(holidayCode));
}
else
{
return(new CompileResult(eErrorType.Value));
}
}
var result = calculator.CalculateNumberOfWorkdays(startDate, endDate);
if (functionArguments.Length > 3)
{
result = calculator.ReduceWorkdaysWithHolidays(result, functionArguments[3]);
}
return(new CompileResult(result.NumberOfWorkdays, DataType.Integer));
}