protected string SerializeReservation(DeploymentInfo order)
{
return(JsonConvert.SerializeObject(order, new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore
}));
}
private DeploymentInfo CreateDeployment(IDictionary <string, string> slots)
{
DeploymentInfo deploymentInfo = new DeploymentInfo
{
DeploymentEnvironment = _chosenEnvironment,
DeploymentDate = slots.ContainsKey(DEPLOYMENT_DATE_SLOT) ? slots[DEPLOYMENT_DATE_SLOT] : null,
DeploymentTime = slots.ContainsKey(DEPLOYMENT_TIME_SLOT) ? slots[DEPLOYMENT_TIME_SLOT] : null
};
return(deploymentInfo);
}
/// <summary>
/// Performs dialog management and fulfillment for ordering flowers.
///
/// Beyond fulfillment, the implementation for this intent demonstrates the following:
/// 1) Use of elicitSlot in slot validation and re-prompting
/// 2) Use of sessionAttributes to pass information that can be used to guide the conversation
/// </summary>
/// <param name="lexEvent"></param>
/// <param name="context"></param>
/// <returns></returns>
public override LexResponse Process(LexEvent lexEvent, ILambdaContext context)
{
IDictionary <string, string> slots = lexEvent.CurrentIntent.Slots;
IDictionary <string, string> sessionAttributes = lexEvent.SessionAttributes ?? new Dictionary <string, string>();
//if all the values in the slots are empty return the delegate, theres nothing to validate or do.
if (slots.All(x => x.Value == null))
{
return(Delegate(sessionAttributes, slots));
}
//if the deployment environment slot has a value, validate that it is contained within the enum list available.
if (slots[ENVIRONMENT_SLOT] != null)
{
var validateDeploymentEnvironment = ValidateDeploymentEnvironment(slots[ENVIRONMENT_SLOT]);
if (!validateDeploymentEnvironment.IsValid)
{
slots[validateDeploymentEnvironment.ViolationSlot] = null;
return(ElicitSlot(sessionAttributes, lexEvent.CurrentIntent.Name, slots, validateDeploymentEnvironment.ViolationSlot, validateDeploymentEnvironment.Message));
}
}
//now that enum has been parsed and validated, create the deployment
DeploymentInfo deploymentInfo = CreateDeployment(slots);
if (string.Equals(lexEvent.InvocationSource, "DialogCodeHook", StringComparison.Ordinal))
{
//validate the remaining slots.
var validateResult = Validate(deploymentInfo);
// If any slots are invalid, re-elicit for their value
if (!validateResult.IsValid)
{
slots[validateResult.ViolationSlot] = null;
return(ElicitSlot(sessionAttributes, lexEvent.CurrentIntent.Name, slots, validateResult.ViolationSlot, validateResult.Message));
}
return(Delegate(sessionAttributes, slots));
}
Task.WaitAll(InvokePipeline());
return(Close(
sessionAttributes,
"Fulfilled",
new LexResponse.LexMessage
{
ContentType = MESSAGE_CONTENT_TYPE,
Content = String.Format("Alright, your deployment in {0} environment has been scheduled at {1} on {2}.", deploymentInfo.DeploymentEnvironment.ToString(), deploymentInfo.DeploymentTime, deploymentInfo.DeploymentDate)
}
));
}
/// <summary>
/// Verifies that any values for slots in the intent are valid.
/// </summary>
/// <param name="deploymentInfo"></param>
/// <returns></returns>
private ValidationResult Validate(DeploymentInfo deploymentInfo)
{
if (!string.IsNullOrEmpty(deploymentInfo.DeploymentDate))
{
DateTime deploymentDate = DateTime.MinValue;
if (!DateTime.TryParse(deploymentInfo.DeploymentDate, out deploymentDate))
{
return(new ValidationResult(false, DEPLOYMENT_DATE_SLOT,
"I did not understand that, what date would you like to schedule the deployment?"));
}
if (deploymentDate < DateTime.Today)
{
return(new ValidationResult(false, DEPLOYMENT_DATE_SLOT,
"Deployment date can only be in the future. What date do you want me to schedule the deployment?"));
}
}
if (!string.IsNullOrEmpty(deploymentInfo.DeploymentTime))
{
string[] timeComponents = deploymentInfo.DeploymentTime.Split(":");
Double hour = Double.Parse(timeComponents[0]);
Double minutes = Double.Parse(timeComponents[1]);
if (Double.IsNaN(hour) || Double.IsNaN(minutes))
{
return(new ValidationResult(false, DEPLOYMENT_TIME_SLOT, null));
}
//if (hour < 10 || hour >= 17)
//{
// return new ValidationResult(false, DEPLOYMENT_TIME_SLOT, "Our business hours are from ten a m. to five p m. Can you specify a time during this range?");
//}
}
return(ValidationResult.VALID_RESULT);
}