/// <summary>
/// Method to execute the task which is to validate child seats number.
/// </summary>
/// <param name="promptValidatorContext"></param>
/// <param name="cancellationToken"></param>
/// <returns>Boolean true if validation passed, false if validation fails.</returns>
public async Task <bool> ChildSeatValidatorAsync(PromptValidatorContext <string> promptValidatorContext, CancellationToken cancellationToken)
{
RentalInfo rentalInfo = await _accessor.RentalInfoAccessor.GetAsync(promptValidatorContext.Context, () => new RentalInfo());
//Create boolean true if child seats number can be converted to int or false if not.
bool correctNumber = int.TryParse(promptValidatorContext.Recognized.Value, out int childNumber);
//This block decides if user response is correct and validates it agains the whole number of passengers.
if (correctNumber == false)
{
await promptValidatorContext.Context.SendActivityAsync("The value you have provided is not correct, please try again.", cancellationToken : cancellationToken);
return(false);
}
else if (childNumber > rentalInfo.PassengersNumber)
{
await promptValidatorContext.Context.SendActivityAsync("The value is grater than value of passengers you have declared before, please type in correct child seats number.", cancellationToken : cancellationToken);
return(false);
}
else
{
return(true);
}
}
/// <summary>
/// Method to execute the task which is to end the GetRentalDetailsDialog and set the data to flightInfo object or start over GetRentalDetailsDialog.
/// </summary>
/// <param name="stepContext"></param>
/// <param name="cancellationToken"></param>
/// <returns>End dialog async or replace dialog async</returns>
private async Task <DialogTurnResult> EndCarReservatonDialogAsync(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
FoundChoice classflightChoice = stepContext.Result as FoundChoice;
RentalInfo rentalInfo = await _accessor.RentalInfoAccessor.GetAsync(stepContext.Context, () => new RentalInfo());
//This block is to decide if car rental details should be set to object of FlightInfo class or start over car reservation dialog.
if (classflightChoice.Value.Equals("Yes, confirm", StringComparison.InvariantCultureIgnoreCase))
{
FlightInfo flightInfo = await _accessor.FlightInfoAccessor.GetAsync(stepContext.Context, () => new FlightInfo());
flightInfo.Rental = rentalInfo;
await _accessor.FlightInfoAccessor.SetAsync(stepContext.Context, flightInfo);
await stepContext.Context.SendActivityAsync("Thank you, your car rental has been associated with you flight reservation. Contact with Rental Office at destination airport in order to get the car. You can ask airport staff to get directions of Rental Office.");
return(await stepContext.EndDialogAsync());
}
else
{
RentalInfo blankInfo = new RentalInfo();
await _accessor.RentalInfoAccessor.SetAsync(stepContext.Context, blankInfo);
return(await stepContext.ReplaceDialogAsync(GetRentalDetailsDialogId, cancellationToken : cancellationToken));
}
}
/// <summary>
/// Method to execute the task which is to display already gathered information as an adaptive card and ask user to confirm or start over the reservation waterfall dialog.
/// </summary>
/// <remarks>Method gets RentalInfoAccessor in order to save the previous waterfall step result as a class of car and then sets the RentalInfoAccessor.</remarks>
/// <param name="stepContext"></param>
/// <param name="cancellationToken"></param>
/// <returns>ConfirmChoice ChoicePrompt</returns>
private async Task <DialogTurnResult> DisplayCarReservation(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
FoundChoice carclassChoice = stepContext.Result as FoundChoice;
RentalInfo rentalInfo = await _accessor.RentalInfoAccessor.GetAsync(stepContext.Context, () => new RentalInfo());
rentalInfo.CarClass = carclassChoice.Value;
rentalInfo.RentalCost = GenerateRentalCost(rentalInfo.CarClass, rentalInfo.RentalLength);
await _accessor.RentalInfoAccessor.SetAsync(stepContext.Context, rentalInfo);
//This block creates adaptive card attachement with car rental details.
await stepContext.Context.SendActivityAsync("Thank you, below you can find your car rental details.");
Attachment attachment = new Attachment();
attachment = CreateAdaptiveCardAttachement(@".\Resources\RentalDetails.txt", rentalInfo.RentalLength, rentalInfo.PassengersNumber, rentalInfo.ChildSeats, rentalInfo.CarClass, rentalInfo.RentalCost);
//This block creats reply activity with adaptive card attachement and sends it to the user.
Activity reply = stepContext.Context.Activity.CreateReply();
reply.Attachments.Add(attachment);
await stepContext.Context.SendActivityAsync(reply, cancellationToken : cancellationToken);
return(await stepContext.PromptAsync("ConfirmChoice", new PromptOptions
{
Prompt = MessageFactory.Text("Please verify if rental details are correct and choose option:"),
RetryPrompt = MessageFactory.Text("I don't recognize this option. Try again"),
Choices = ChoiceFactory.ToChoices(new List <string> {
"Yes, confirm", "No, start over"
})
},
cancellationToken));
}
/// <summary>
/// Method to execute the task which is to collect the information about car class.
/// </summary>
/// <remarks>Method gets RentalInfoAccessor in order to save the previous waterfall step result as a number o child seats user would need and then sets the RentalInfoAccessor.</remarks>
/// <param name="stepContext"></param>
/// <param name="cancellationToken"></param>
/// <returns>CarClassChoice ChoicePrompt</returns>
private async Task <DialogTurnResult> AskForCarClass(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
RentalInfo rentalInfo = await _accessor.RentalInfoAccessor.GetAsync(stepContext.Context, () => new RentalInfo());
//Create a boolean with information if childseat was provided or not prompted in previous step.
bool anyChild = int.TryParse(stepContext.Result as string, out int childSeats);
//This block is to set right childseats number.
if (anyChild)
{
rentalInfo.ChildSeats = childSeats;
}
else
{
rentalInfo.ChildSeats = 0;
}
await _accessor.RentalInfoAccessor.SetAsync(stepContext.Context, rentalInfo);
return(await stepContext.PromptAsync("CarClassChoice", new PromptOptions
{
Prompt = MessageFactory.Text("Please choose car class (to access more details type in 'more cars'):"),
RetryPrompt = MessageFactory.Text("I don't recognize this option. Try again"),
Choices = ChoiceFactory.ToChoices(new List <string> {
"Economy", "Standard", "Premium"
})
},
cancellationToken));
}
/// <summary>
/// Method to execute the task which is to collect number of passengers.
/// </summary>
/// <remarks>Method gets RentalInfoAccessor in order to save the previous waterfall step result as a car rental lenght and then sets the RentalInfoAccessor.</remarks>
/// <param name="stepContext"></param>
/// <param name="cancellationToken"></param>
/// <returns>PassengersNumber TextPrompt</returns>
private async Task <DialogTurnResult> AskForPassengersNumberAsync(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
RentalInfo rentalInfo = await _accessor.RentalInfoAccessor.GetAsync(stepContext.Context, () => new RentalInfo());
rentalInfo.RentalLength = int.Parse(stepContext.Result as string);
await _accessor.RentalInfoAccessor.SetAsync(stepContext.Context, rentalInfo);
return(await stepContext.PromptAsync("PassengersNumber", new PromptOptions
{
Prompt = MessageFactory.Text("Please enter the number of people which will travel with you.")
},
cancellationToken));
}
/// <summary>
/// Method to execute the task which is to collect the number of child seats.
/// </summary>
/// <remarks>Method gets RentalInfoAccessor in order to save the previous waterfall step result as a number of passengers travelling with user and then sets the RentalInfoAccessor.</remarks>
/// <param name="stepContext"></param>
/// <param name="cancellationToken"></param>
/// <returns>ChildSeats TextPrompt</returns>
private async Task <DialogTurnResult> AskForChildSeat(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
RentalInfo rentalInfo = await _accessor.RentalInfoAccessor.GetAsync(stepContext.Context, () => new RentalInfo());
rentalInfo.PassengersNumber = int.Parse(stepContext.Result as string);
await _accessor.RentalInfoAccessor.SetAsync(stepContext.Context, rentalInfo);
//This block decides if ChildSeat should be prompted or skip to the next step.
if ((stepContext.Result as string) == "0")
{
return(await stepContext.NextAsync());
}
else
{
return(await stepContext.PromptAsync("ChildSeat", new PromptOptions
{
Prompt = MessageFactory.Text("In case you are going to travel with child, please enter the number of child seats you will need.")
},
cancellationToken));
}
}
