/// <summary>
/// Test every possible combination of date components' order
/// </summary>
/// <param name="input"></param>
/// <param name="validationResult"></param>
/// <returns>True when a proper combination is found, false if any possible date
/// components order combinatios</returns>
public void SetUpCorrectDate(int[] input, ref DateValidation validationResult)
{
// Auxiliary data structure used to generate permutations
IEnumerable <int> increasingOrderIndices = new List <int>()
{
0, 1, 2
};
// Auxiliary data structure holding any possible permutation
IEnumerable <IEnumerable <int> > twoDimensionalIndices =
DateComponentsOrder.GetPermutations(increasingOrderIndices,
increasingOrderIndices.Count());
// Two dimensional array of integers used for the following calculations
int[][] arrayOfPermutatedIndices =
twoDimensionalIndices.Select(i => i.ToArray()).ToArray();
bool isLeapYear;
// Test any possible permutation
for (int index = 0; index < arrayOfPermutatedIndices.Count(); ++index)
{
// Assemble temporary object
dateComponentsOrder = new DateComponentsOrder(arrayOfPermutatedIndices[index]);
dateComponents = new DateComponents(input, dateComponentsOrder);
isLeapYear = IsLeapYear(dateComponents.Year);
// When data order is valid the results will be passed to DateBuilder with validation indicator
if (IsDateValid(isLeapYear))
{
validationResult.DateComponents = dateComponents;
validationResult.IsValid = true;
return;
}
}
// Any of the permutations does not meet the assumptions. Exception will be thrown in DateBuilder
validationResult.IsValid = false;
}
/// <summary>
/// Constructs an object by first converting date components to strings
/// and then assigning result to properties
/// </summary>
/// <param name="dateComponents">DateComponents as integers</param>
public DateComponentsAsStrings(DateComponents dateComponents)
{
Day = String.Format("{0:00}", dateComponents.Day);
Month = String.Format("{0:00}", dateComponents.Month);
Year = String.Format("{0:####;0:####;0000}", dateComponents.Year);
}