public Pizza(String pName)
{
pizzaName = pName;
productGathering = new ProductGatheringState(this);
cooking = new CookingState(this);
packing = new PackingState(this);
delivery = new DeliveryState(this);
currentState = productGathering;
}
public string GetDetailsHtml(PizzaState wizardState)
{
var pizza = pizzaFactory.CreatePizza(wizardState);
return
(string.Format(
"<div>Selected pizza: {0}</div><div>Price: <span style=\"font-weight: bold; font-size: larger;\">{1}</span></div>",
pizza.PizzaDescription,
priceCalculator.CalculatePrice(pizza).ToString("c")));
}
/// <summary>
/// Examines the current state object and uses it to build the view model
/// </summary>
/// <param name="currentState"></param>
/// <returns></returns>
private PizzaCreationViewModel BuildViewModel(PizzaState currentState)
{
IPizzaCreationStep currentStep = null;
var viewModel = new PizzaCreationViewModel();
// Iterate through all steps in the creation process
foreach (var step in creationProcess.GetStepsInProcess())
{
// If the state object contains data for the current step, test for validation
var stateForCurrentStep = currentState.StepResults.SingleOrDefault(x => x.StepName == step.StepName);
if (stateForCurrentStep != null)
{
// test for validation
var validationResult = step.Validate(stateForCurrentStep);
if (!validationResult)
{
// If validation fails, this is the current step.
currentStep = step;
// Add the validation message to the view model
viewModel.ShowValidationMessage = true;
viewModel.ValidationMessage = currentStep.ValidationErrorMessage(stateForCurrentStep);
break;
}
else
{
// If validation passes, move on to the next step.
continue;
}
}
else
{
// If the state object does not contain this step, it is the current step
currentStep = step;
break;
}
}
// If the user has continued past the last step, throw an exception. This could be handled better.
if (currentStep == null)
{
throw new ApplicationException("Continued past last step. Last step should not have any options.");
}
// Build the view model using the current step object of our current state.
viewModel.CanSelectMultiple = currentStep.CanSelectMultiple;
viewModel.CurrentStateId = currentState.Id;
viewModel.CurrentStepName = currentStep.StepName;
viewModel.DetailsHtml = currentStep.GetDetailsHtml(currentState);
viewModel.HeaderText = currentStep.StepHeaderText;
viewModel.Options = currentStep.Options;
// Return the view model
return(viewModel);
}
public IPizza CreatePizza(PizzaState pizzaState)
{
var size = pizzaState.StepResults.Single(x => x.StepName == "Size").SelectedOptions.Single();
var dough = pizzaState.StepResults.Single(x => x.StepName == "Dough").SelectedOptions.Single();
var toppings = pizzaState.StepResults.Single(x => x.StepName == "Toppings").SelectedOptions;
return(new BasicPizza()
{
Size = size,
Dough = dough,
Toppings = toppings,
PizzaDescription = string.Format("{0} Pizza on {1} Dough, and topped with {2}", size, dough, string.Join(", ", toppings))
});
}
public void Save(PizzaState pizzaState)
{
if (string.IsNullOrEmpty(pizzaState.Id))
{
pizzaState.Id = Guid.NewGuid().ToString();
}
if (stateDictionary.ContainsKey(pizzaState.Id))
{
stateDictionary[pizzaState.Id] = pizzaState;
}
else
{
stateDictionary.Add(pizzaState.Id, pizzaState);
}
}
public ActionResult Index(string id = null)
{
// Attempt to load the state associated with the id
var currentState = stateRepository.Load(id);
// If the state doesn't exist, create a new state object and save it
if (currentState == null)
{
currentState = new PizzaState()
{
Id = Guid.NewGuid().ToString()
};
stateRepository.Save(currentState);
}
// Build the view model based on the state object and return the view
return(View(BuildViewModel(currentState)));
}
public string GetDetailsHtml(PizzaState pizzaState)
{
return("");
}
public void setState(PizzaState state)
{
this.currentState = state;
}
public string GetDetailsHtml(PizzaState pizzaState)
{
return(replacedStep.GetDetailsHtml(pizzaState));
}
