public ActionResult <string> GetRandomWord([FromQuery] GetWordParameters parameters)
{
var validationResult = _validator.Validate(parameters);
if (validationResult.IsValid)
{
return(Ok(_wordGeneration.GenerateRandomString(parameters)));
}
return(BadRequest(validationResult.Errors));
}
public string GenerateRandomString(GetWordParameters parameters)
{
var validationResult = _validator.Validate(parameters);
if (!validationResult.IsValid)
{
throw new InvalidParametersException(validationResult.Errors);
}
var regex = new Regex($"[^{parameters.AllowedCharacters}]");
var filteredWords = _words
.Where(x => x.Length >= parameters.MinLength && x.Length <= parameters.MaxLength)
.Where(x => !regex.IsMatch(x))
.ToArray();
if (filteredWords.Length == 0)
{
throw new InvalidWordsDictionaryException();
}
return(filteredWords[_randomGenerator.Next(0, filteredWords.Length)]
.FormatTo(parameters.Format)
.EncodeTo(parameters.Encoding));
}
