/// <summary>
/// Gets a randomly shuffled DNA EvoString prey.
/// </summary>
/// <param name="size"></param>
/// <returns></returns>
/// <remarks>
/// There's a Typing Monkey inside this factory method! Cool!
/// </remarks>
public static IPrey CreateRandomEvoStringPrey(int size)
{
TypingMonkey monkey = new TypingMonkey();
string chromosome = monkey.TypeAway(size);
return(new EvoString(chromosome));
}
/// <summary>
/// In Nature there's a pseudo-random chance the newborn chromosomes will mutate...
/// </summary>
private void Mutate()
{
int marker = Dice.Roll(0, this.chromosome.Length - 1);
int delta = Dice.Roll(0, this.chromosome.Length - marker);
TypingMonkey monkey = new TypingMonkey();
string mutatedGenes = monkey.TypeAway(delta);
char[] genes = this.chromosome.ToCharArray();
// Override mutated genes.
for (int i = 0; i < delta; i++)
{
genes[marker++] = mutatedGenes[i];
}
this.chromosome = new string(genes);
}
public SaveUserFavoriteResponse SaveUserFavorite(SaveUserFavoriteRequest request)
{
var response = new SaveUserFavoriteResponse()
{
Success = false, Message = "Unable to save user favorite"
};
try
{
//Check to see if we have already created the 5 digit unique user code.
//Not going to check to see if we get a duplicate code for this exercise
var userCodeExists = request.WeathermanEntities.UserCodes.Any(w => w.UserId == request.UserId);
//Will add the code if it does not exist for the logged in user.
if (!userCodeExists)
{
var userCode = new UserCode {
UserId = request.UserId
};
var typingMonkey = new TypingMonkey();
userCode.Code = typingMonkey.TypeAway(5);
request.WeathermanEntities.UserCodes.Add(userCode);
}
var savedLocation = new SavedLocation
{
//Did not get a chance to implement saving the city yet.
City = string.Empty,
ZipCode = request.PostalCode,
UserId = request.UserId
};
request.WeathermanEntities.SavedLocations.Add(savedLocation);
request.WeathermanEntities.SaveChanges();
}
catch (Exception exception)
{
response.Success = false;
response.Exception = exception;
return(response);
}
response.Success = true;
response.Message = string.Empty;
return(response);
}
