/// <summary>
/// Read console input and act like a client calling a city search service
/// </summary>
public void ReadInput()
{
var blnContinue = true;
while (blnContinue)
{
if (Input.Trim() == string.Empty)
{
Console.WriteLine($"Please enter a string to search, press Ctrl+{_exit} to exit. Press enter to complete string");
}
var key = Console.ReadKey();
Console.Write(Environment.NewLine);
if (key.Modifiers == ConsoleModifiers.Control && key.Key == ConsoleKey.X)
{
Console.WriteLine("Exit sequence entered, exiting");
blnContinue = false;
}
else if (key.Key == ConsoleKey.Enter)
{
//We have finished with the current typeahead search, starting a new one
Input = string.Empty;
}
else
{
//Validate input, not supporting special characters other than space and dash
if (ValidateInput(Char.ToLower(key.KeyChar)))
{
Input += key.KeyChar;
//Do matches
var matches = _cityFinder.Search(Input.ToLower());
//Output some information
Console.WriteLine($"Found {matches.NextCities.Count} matches");
Console.WriteLine($"Cities:{string.Join(",", matches.NextCities.Select(c => c))}");
Console.WriteLine($"Next Letters:{string.Join(",", matches.NextLetters.Select(c => c))}");
//Add an empty line to make this easier to read
Console.WriteLine("");
}
else
{
Console.WriteLine("Invalid character");
}
}
Console.Write($"{Input}");
}
}
public IActionResult CitySearch(string city)
{
// Validate searchString
if (city.Length <= 1)
{
return(this.BadRequest());
}
var result = cityFinderService.Search(city);
// Validate that the NextCities exists
if (!result.NextCities.Any())
{
return(this.NotFound());
}
return(Ok(result));
}
