public CalculatorResult CalculateSum(string input)
{
var delimiters = _delimiterParser.Parse(input);
var values = _dataParser.Parse(input, delimiters);
values = _constraints.ApplyConstraints(values);
_validationService.Validate(values);
var total = values.Sum();
var formula = $"{string.Join("+", values)} = {total}";
var result = new CalculatorResult()
{
Formula = formula,
Value = total
};
return(result);
}
/// <summary>
/// Returns the sum of a set of delimited numbers.
/// </summary>
/// <param name="numbers">A string containing delimited numbers. This should contain one or more lines.</param>
/// <returns>The sum.</returns>
public int Add(string numbers)
{
var delimiters = _delimiterParser.Parse(numbers);
var lines = _numberLinesParser.GetLines(numbers);
var linesOfNumbers = lines.Select(line => _numbersParser.Parse(line, delimiters));
var filteredNumbers = linesOfNumbers.Select(line => _numberFilter.Filter(line));
var detectedNumbers = filteredNumbers.Select(nums => _numberDetector.Detect(nums)).SelectMany(arr => arr);
if (detectedNumbers.Any())
{
throw new InvalidNumbersException($"Invalid numbers encountered", detectedNumbers);
}
return(_numberAdder.Add(filteredNumbers));
}
public int Add(string stringNumbers)
{
if (string.IsNullOrEmpty(stringNumbers))
{
return(0);
}
_delimiters.AddRange(_delimiterParser.Parse(stringNumbers));
IEnumerable <int> parsedNumbers = ParseStringNumbers(RemoveCustomDelimiterPrefix(stringNumbers));
CheckForNegatives(parsedNumbers);
int sum = parsedNumbers.Where(n => n > 0 && n < MAX_VALID_NUMBER).Sum();
WriteToConsole(sum);
return(sum);
}