public bool CheckPermission(ref string plateNumber, string loosedPlateNumber)
{
Vehicle vehicle = null;
string[] expectedPlateNumber = null;
if (plateNumber != string.Empty && plateNumber.Count() >= 5)
{
string tempPlateNumber = plateNumber;
vehicle = Vehicles.SingleOrDefault(x => x.NumberPlate == tempPlateNumber);
if (vehicle == null)
{
expectedPlateNumber = Vehicles.Select(x => x.NumberPlate).ToArray().Where(l => CalculationHelpers.LevenshteinDistance(tempPlateNumber, l) == 1).ToArray();
if (expectedPlateNumber.Count() == 1)
{
if (plateNumber.Count() == expectedPlateNumber[0].Count())
{
string expectedString = expectedPlateNumber[0];
for (int i = 0; i < plateNumber.Count(); i++)
{
if (expectedString[i] == loosedPlateNumber[i] && expectedString[i] != plateNumber[i])
{
vehicle = Vehicles.SingleOrDefault(x => x.NumberPlate == expectedString);
plateNumber = expectedString;
}
}
}
}
}
}
else
{
return(false);
}
return(true);
}