// GET Controller
public async Task OnGetAsync()
{
// Create a new Game record
Game = new Game();
Game.Phrase = new PhraseGenerator(_env).GetPhrase();
// Save Game record
_db.Games.Add(Game);
await _db.SaveChangesAsync();
// Generate Phrase
HiddenWord hiddenWord = new HiddenWord(Game.Phrase);
Phrase = hiddenWord.ToString();
}
// POST Controller
public async Task <IActionResult> OnPostAsync(int id)
{
// Retrieve Game record
Game = await _db.Games.FindAsync(id);
// Generate Phrase
HiddenWord hiddenWord = new HiddenWord(Game.Phrase, Game.Guesses);
Phrase = hiddenWord.ToString();
if (ModelState.IsValid &&
!hiddenWord.IsRevealed() &&
Game.IncorrectGuesses < 7)
{
// Enforce lower case
Guess = char.ToLower(Guess);
// Get previous guesses
List <char> guesses = Game.Guesses;
// Guess must be a letter
Regex rgx = new Regex(@"^[a-zA-Z]$");
if (!rgx.IsMatch(Guess.ToString()))
{
Message = "You can only guess letters.";
return(Page());
}
// Guess must be new
foreach (char prevGuess in guesses)
{
if (Guess == prevGuess)
{
Message = "You already guessed '" + Guess + "'.";
return(Page());
}
}
// Add Guess to Game record
guesses.Add(Guess);
Game.Guesses = guesses;
if (hiddenWord.Reveal(Guess)) // Correct Guess...
{
// ...update Phrase
Phrase = hiddenWord.ToString();
}
else // Incorrect Guess...
{
// ...update Game record
Game.IncorrectGuesses++;
}
// Save Game record
try
{
await _db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
throw new System.Exception($"Game {Game.Id} not found!");
}
}
if (hiddenWord.IsRevealed()) // Check win condition
{
Message = "Congratulations, you've won!";
}
else if (Game.IncorrectGuesses >= 7) // Check lose condition
{
Game.IncorrectGuesses = 7;
Message = "You've run out of guesses.";
}
return(Page());
}