private static Task <bool> DateTimePromptValidator(PromptValidatorContext <IList <DateTimeResolution> > promptContext, CancellationToken cancellationToken)
{
if (promptContext.Recognized.Succeeded)
{
// This value will be a TIMEX. And we are only interested in a Date so grab the first result and drop the Time part.
// TIMEX is a format that represents DateTime expressions that include some ambiguity. e.g. missing a Year.
var timex = promptContext.Recognized.Value[0].Timex.Split('T')[0];
// If this is a definite Date including year, month and day we are good otherwise reprompt.
// A better solution might be to let the user know what part is actually missing.
var isDefinite = new TimexProperty(timex).Types.Contains(Constants.TimexTypes.Definite);
return(Task.FromResult(isDefinite));
}
return(Task.FromResult(false));
}
/// <summary>
/// Validator function to verify if the user name meets required constraints.
/// </summary>
/// <param name="promptContext">Context for this prompt.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A <see cref="Task"/> that represents the work queued to execute.</returns>
private async Task <bool> ValidateName(PromptValidatorContext <string> promptContext, CancellationToken cancellationToken)
{
// Validate that the user entered a minimum length for their name.
var value = promptContext.Recognized.Value?.Trim() ?? string.Empty;
if (value.Length >= EnquiryTypeLengthMinValue)
{
promptContext.Recognized.Value = value;
return(true);
}
else
{
await promptContext.Context.SendActivityAsync($"Enquiry type needs to be at least `{EnquiryTypeLengthMinValue}` characters long.");
return(false);
}
}
private static Task <bool> StartPromptValidatorAsync(
PromptValidatorContext <IList <DateTimeResolution> > promptContext,
CancellationToken cancellationToken)
{
if (promptContext.Recognized.Succeeded)
{
// Initialize a TimexProperty from the first
// recognized value
var timex = new TimexProperty(
promptContext.Recognized.Value[0].Timex);
// If it has a definite date and time, it's valid
return(Task.FromResult(TimexHasDateAndTime(timex)));
}
return(Task.FromResult(false));
}
private Task CustomValidator(ITurnContext turnContext, PromptValidatorContext <IList <DateTimeResolution> > prompt, CancellationToken cancellationToken)
{
if (prompt.Recognized.Succeeded)
{
var resolution = prompt.Recognized.Value.First();
// re-write the resolution to just include the date part.
var rewrittenResolution = new DateTimeResolution
{
Timex = resolution.Timex.Split('T')[0],
Value = resolution.Value.Split(' ')[0]
};
prompt.End(new List <DateTimeResolution> {
rewrittenResolution
});
}
return(Task.CompletedTask);
}
private async Task <bool> EmailFormValidator(PromptValidatorContext <string> promptcontext, CancellationToken cancellationtoken)
{
var _DialogInfo = await _dialogInfoStateProperty.GetAsync(promptcontext.Context);
var dialogsMUI = DecisionMaker.GetDialogsMui(_DialogInfo.Language);
try
{
var mail = new System.Net.Mail.MailAddress(promptcontext.Context.Activity.Text);
return(await Task.FromResult(true));
}
catch
{
promptcontext.Context.SendActivityAsync(MessageFactory.Text(dialogsMUI.EmailDictionary["wrongFormat"]), cancellationtoken);
return(await Task.FromResult(false));
}
}
private Task <bool> CallbackTimeValidatorAsync(PromptValidatorContext <IList <DateTimeResolution> > promptContext, CancellationToken cancellationToken)
{
var valid = false;
if (promptContext.Recognized.Succeeded)
{
var resolution = promptContext.Recognized.Value.First();
DateTime selectedDate = Convert.ToDateTime(resolution.Value);
TimeSpan start = new TimeSpan(9, 0, 0); // 10 o'clock
TimeSpan end = new TimeSpan(17, 0, 0); // 12 o'clock
if ((selectedDate.TimeOfDay >= start) && (selectedDate.TimeOfDay <= end))
{
valid = true;
}
}
return(Task.FromResult(valid));
}
/// <summary>
/// Validator function to verify if city meets required constraints.
/// </summary>
/// <param name="promptContext">Context for this prompt.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A <see cref="Task"/> that represents the work queued to execute.</returns>
private async Task <bool> ValidateCity(PromptValidatorContext <string> promptContext, CancellationToken cancellationToken)
{
// Validate that the user entered a minimum lenght for their name
var value = promptContext.Recognized.Value?.Trim() ?? string.Empty;
if (value.Length > CityLengthMinValue)
{
promptContext.Recognized.Value = value;
return(true);
}
else
{
await promptContext.Context.SendActivityAsync($"City names needs to be at least `{CityLengthMinValue}` characters long.").ConfigureAwait(false);
return(false);
}
}
public static async Task <bool> UserFeedbackValidator(PromptValidatorContext <string> promptContext,
CancellationToken cancellationToken)
{
var value = promptContext.Recognized.Value?.Trim() ?? string.Empty;
if (value.Length > 2)
{
promptContext.Recognized.Value = value;
return(true);
}
else
{
await promptContext.Context.SendActivityAsync($"I need a little more feedback.").ConfigureAwait(false);
return(false);
}
}
private async Task <bool> LocationValidatorAsync(
PromptValidatorContext <Activity> promptContext,
CancellationToken cancellationToken = default(CancellationToken))
{
if (!promptContext.Recognized.Succeeded)
{
await promptContext.Context.SendActivityAsync(
"Please enter a date of time for your event.",
cancellationToken : cancellationToken);
return(false);
}
return(true);
}
private async Task <bool> DateValidatorAsync(
PromptValidatorContext <IList <DateTimeResolution> > promptContext,
CancellationToken cancellationToken = default(CancellationToken))
{
if (!promptContext.Recognized.Succeeded)
{
await promptContext.Context.SendActivityAsync(
"Please enter a date of time for your event.",
cancellationToken : cancellationToken);
return(false);
}
DateTimeResolution value = promptContext.Recognized.Value.FirstOrDefault();
return(true);
}
private Task <bool> ShoeSizeAsync(PromptValidatorContext <float> promptContext, CancellationToken cancellationToken)
{
var shoesize = promptContext.Recognized.Value;
// show sizes can range from 0 to 16
if (shoesize >= 0 && shoesize <= 16)
{
// we only accept round numbers or half sizes
if (Math.Floor(shoesize) == shoesize || Math.Floor(shoesize * 2) == shoesize * 2)
{
// indicate success by returning the value
return(Task.FromResult(true));
}
}
return(Task.FromResult(false));
}
/// <summary>
/// Validator function to verify if the date is valid.
/// </summary>
/// <param name="promptContext">Context for this prompt.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A <see cref="Task"/> that represents the work queued to execute.</returns>
private async Task <bool> ValidateDate(PromptValidatorContext <IList <DateTimeResolution> > promptContext, CancellationToken cancellationToken)
{
if (!promptContext.Recognized.Succeeded || string.IsNullOrEmpty(promptContext?.Recognized?.Value?[0]?.Timex))
{
return(false);
}
var timex = new TimexProperty(promptContext.Recognized.Value[0].Timex);
if (promptContext.Recognized.Succeeded &&
timex?.Year != null &&
timex?.Month != null &&
timex?.DayOfMonth != null)
{
var hour = timex.Hour ?? 0;
var date = new DateTime(
timex.Year.Value,
timex.Month.Value,
timex.DayOfMonth.Value,
hour,
0,
0);
if (date.Subtract(DateTime.Today).Days > 365)
{
await promptContext.Context.SendActivityAsync($"Sorry, you cannot make a reservation more than 365 days into the future.").ConfigureAwait(false);
return(false);
}
if (date < DateTime.Today)
{
await promptContext.Context.SendActivityAsync($"Sorry, you cannot make a reservation in the past - the time machine is down 😊").ConfigureAwait(false);
return(false);
}
return(true);
}
else
{
await promptContext.Context.SendActivityAsync($"Sorry, I couldn't understand the date. Can you please rephrase it?").ConfigureAwait(false);
return(false);
}
}
/// <summary>
/// Validator function to verify if the quantity the user entered gets recognized.
/// </summary>
/// <param name="promptContext">Context for this prompt.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A <see cref="Task"/> that represents the work queued to execute.</returns>
private async Task <bool> ValidateQuantity(PromptValidatorContext <string> promptContext, CancellationToken cancellationToken)
{
var result = promptContext.Recognized.Value ?? string.Empty;
var results = NumberRecognizer.RecognizeNumber(result, culture);
if (results.Count == 0)
{
await promptContext.Context.SendActivityAsync(InvalidQuantityErrorMessage);
return(false);
}
if (results.First().TypeName == "number" && double.TryParse(results.First().Resolution["value"].ToString(), out double value))
{
// Validate number
if ((value < 1) || (value % 1 != 0))
{
await promptContext.Context.SendActivityAsync(InvalidQuantityErrorMessage);
return(false);
}
if (value > 100)
{
await promptContext.Context.SendActivityAsync(InvalidOverQuantityErrorMessage);
return(false);
}
var quantityRoses = Convert.ToInt32(results.First().Resolution["value"]);
var quantityMessage = quantityRoses == 1
? "I'll send just one rose."
: $"I'll send {quantityRoses} roses.";
promptContext.Recognized.Value = quantityRoses.ToString();
await promptContext.Context.SendActivityAsync(quantityMessage);
return(true);
}
else
{
await promptContext.Context.SendActivityAsync(InvalidQuantityErrorMessage);
return(false);
}
}
private async Task <bool> ValidateEmail(
PromptValidatorContext <string> promptContext,
CancellationToken cancellationToken)
{
var email = promptContext.Recognized.Value;
try
{
var addr = new System.Net.Mail.MailAddress(email);
return(addr.Address == email);
}
catch
{
await promptContext.Context.SendActivityAsync(Messages.GetUserInfoEmailIsNotValid);
return(false);
}
}
private async Task <bool> AmountPeopleValidatorAsync(PromptValidatorContext <string> promptContext, CancellationToken cancellationToken)
{
var value = promptContext.Recognized.Value?.Trim() ?? string.Empty;
if (!int.TryParse(value, out int numberPeople))
{
var msg = "The amount of people should be a number.";
await promptContext.Context.SendActivityAsync(msg)
.ConfigureAwait(false);
return(false);
}
else
{
promptContext.Recognized.Value = value;
return(true);
}
}
/// <summary>
/// Method used to do a very poor email validation.
/// </summary>
/// <param name="promptContext">This is used to grab our users response from the previous prompt.</param>
/// <param name="cancellationToken">Used to cancel work.</param>
/// <returns>Task that is queued to be executed.</returns>
private async Task <bool> ValidateEmailAsync(PromptValidatorContext <string> promptContext, CancellationToken cancellationToken)
{
// Validate that the user entered at least a @ character
// for their email
var value = promptContext.Recognized.Value?.Trim() ?? string.Empty;
if (value.Contains("@"))
{
promptContext.Recognized.Value = value;
return(true);
}
else
{
await promptContext.Context.SendActivityAsync($"Your email needs to be in the format of [email protected]").ConfigureAwait(false);
return(false);
}
}
public async Task <bool> ProvValidatorAsync(PromptValidatorContext <string> promptContext, CancellationToken cancellationToken)
{
if (!promptContext.Recognized.Succeeded)
{
await promptContext.Context.SendActivityAsync(
"Inserire un formato valido.",
cancellationToken : cancellationToken);
return(false);
}
if (promptContext.Recognized.Value.ToUpper() == "BACK")
{
return(true);
}
return(XmlManager.ReadXml(promptContext.Recognized.Value));
}
private Task <bool> Validator(PromptValidatorContext <string> promptcontext, CancellationToken cancellationtoken)
{
var exitSynonyms = new[] { "exit", "done", "return" };
switch (promptcontext.Recognized.Value)
{
case var s1 when exitSynonyms.Contains(s1.ToLower()):
promptcontext.Recognized.Value = "exit";
return(Task.FromResult(true));
case var s2 when Guid.TryParse(s2, out _):
return(Task.FromResult(true));
default:
return(Task.FromResult(false));
}
}
/// <summary>
/// Method to execute the task which is to validate name of the city of staring point airport.
/// </summary>
/// <param name="promptValidatorContext"></param>
/// <param name="cancellationToken"></param>
/// <returns>Boolean true if validation passed, false if validation fails.</returns>
public async Task <bool> FromValidatorAsync(PromptValidatorContext <string> promptValidatorContext, CancellationToken cancellationToken)
{
//Get starting point airport and convert it to list.
string fromAirport = promptValidatorContext.Recognized.Value;
string[] splited = fromAirport.Split(null);
//Validate if starting point airport name is 1 or 2 words long.
if (string.IsNullOrEmpty(fromAirport) || splited.Length < 1 || splited.Length > 2)
{
await promptValidatorContext.Context.SendActivityAsync("Please type in correct departure airport.", cancellationToken : cancellationToken);
return(false);
}
else
{
return(true);
}
}
/// <summary>
/// Method to execute the task which is to validate passenger's name.
/// </summary>
/// <param name="promptValidatorContext"></param>
/// <param name="cancellationToken"></param>
/// <returns>Boolean true if validation passed, false if validation fails.</returns>
public async Task <bool> PassengerNameValidatorAsync(PromptValidatorContext <string> promptValidatorContext, CancellationToken cancellationToken)
{
//Get user answer and convert it to list.
string passengerName = promptValidatorContext.Recognized.Value.Trim();
string[] splited = passengerName.Split(null);
//Validate if passengers name is 1 or 3 words long.
if (string.IsNullOrEmpty(passengerName) || splited.Length < 1 || splited.Length > 3)
{
await promptValidatorContext.Context.SendActivityAsync("Please type in correct name.", cancellationToken : cancellationToken);
return(false);
}
else
{
return(true);
}
}
private Task <bool> CustomValidator(PromptValidatorContext <IList <DateTimeResolution> > prompt, CancellationToken cancellationToken)
{
if (prompt.Recognized.Succeeded)
{
var resolution = prompt.Recognized.Value.First();
// re-write the resolution to just include the date part.
var rewrittenResolution = new DateTimeResolution
{
Timex = resolution.Timex.Split('T')[0],
Value = resolution.Value.Split(' ')[0]
};
prompt.Recognized.Value = new List <DateTimeResolution> {
rewrittenResolution
};
return(Task.FromResult(true));
}
return(Task.FromResult(false));
}
private async Task <bool> ValidateBookingSelectionConfirmation(PromptValidatorContext <bool> promptContext, CancellationToken cancellationToken)
{
var state = await ConversationStateAccessor.GetAsync(promptContext.Context, cancellationToken : cancellationToken);
var reservation = state.Booking;
if (promptContext.Recognized.Succeeded == true)
{
reservation.Confirmed = promptContext.Recognized.Value;
var reply = TemplateManager.GenerateActivity(RestaurantBookingSharedResponses.BookRestaurantRestaurantSearching);
await promptContext.Context.SendActivityAsync(reply, cancellationToken);
return(true);
}
return(false);
}
private async Task <bool> ValidateReservationTime(PromptValidatorContext <IList <DateTimeResolution> > promptContext, CancellationToken cancellationToken)
{
var state = await ConversationStateAccessor.GetAsync(promptContext.Context, cancellationToken : cancellationToken);
var reservation = state.Booking;
if (promptContext.Recognized.Succeeded)
{
// Add the time element to the existing date that we have
var recognizerValue = promptContext.Recognized.Value.First();
reservation.ReservationTime = DateTime.Parse(recognizerValue.Value);
return(true);
}
return(false);
}
/// <summary>
/// Runs custom validation logic for the media type choice prompt.
/// </summary>
/// <param name="promptContext">The prompt validation context.</param>
/// <param name="cancellationToken">A cancellation token that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A task that represents the work queued to execute.</returns>
/// <remarks>Return <code>true</code> to indicate that the input is valid; otherwise,
/// <code>false</code>.</remarks>
private async Task <bool> ChoiceValidatorAsync(
PromptValidatorContext <FoundChoice> promptContext,
CancellationToken cancellationToken)
{
// Pull key information from the prompt validator context.
var options = promptContext.Options.Validations as ValidationOptions;
var success = promptContext.Recognized.Succeeded;
// If the input was recognized as a valid choice, allow the prompt to succeed, and
// return the recognized value.
if (success)
{
return(true);
}
// Otherwise, this attempt failed.
return(await FailValidation(promptContext, options, cancellationToken));
}
/// <summary>
/// Validate the chosen time.
/// </summary>
/// <param name="promptContext">Prompt Validator Context.</param>
/// <param name="cancellationToken">Cancellation Token.</param>
/// <returns>Dialog Turn Result.</returns>
private async Task <bool> ValidateAmbiguousTimePrompt(PromptValidatorContext <FoundChoice> promptContext, CancellationToken cancellationToken)
{
var state = await ConversationStateAccessor.GetAsync(promptContext.Context, cancellationToken : cancellationToken);
if (promptContext.Recognized.Succeeded)
{
var timexFromNaturalLanguage = state.AmbiguousTimexExpressions.First(t => t.Value == promptContext.Recognized.Value.Value);
if (!string.IsNullOrEmpty(timexFromNaturalLanguage.Key))
{
var property = new TimexProperty(timexFromNaturalLanguage.Key);
state.Booking.ReservationTime = DateTime.Parse($"{property.Hour.Value}:{property.Minute.Value}:{property.Second.Value}");
return(true);
}
}
return(false);
}
/// <summary>
/// Validator function to verify if the user name meets required constraints.
/// </summary>
/// <param name="promptContext">Context for this prompt.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A <see cref="Task"/> that represents the work queued to execute.</returns>
private async Task <bool> ValidateOTP(PromptValidatorContext <string> promptContext, CancellationToken cancellationToken)
{
// Validate that the user entered a minimum length for their name.
var value = promptContext.Recognized.Value?.Trim() ?? string.Empty;
if (value.Length >= passminlen)
{
promptContext.Recognized.Value = value;
return(true);
}
else
{
obj.adddata("Bot: OTP needs to be at least 6 characters long.");
await promptContext.Context.SendActivityAsync($"OTP needs to be at least 6 characters long.");
return(false);
}
}
private async Task <bool> NamePromptValidatorAsync(PromptValidatorContext <string> promptContext, CancellationToken cancellationToken)
{
var valid = false;
if (promptContext.Recognized.Succeeded)
{
var name = promptContext.Recognized.Value?.Trim();
//check if the string has a minimal and if it contains only characters
if (name.Length >= 3 && name.Length <= 100)
{
if (name.IsNameValid())
{
valid = true;
}
}
}
return(await Task.FromResult(valid));
}
public static async Task <bool> CarYearValidator(PromptValidatorContext <int> promptContext,
CancellationToken cancellationToken)
{
var value = promptContext.Recognized.Value;
if (value >= 1900 && value <= 2018)
{
promptContext.Recognized.Value = value;
return(true);
}
else
{
await promptContext.Context.SendActivityAsync($"Your car year should be between 1900 and 2018.")
.ConfigureAwait(false);
return(false);
}
}
private async Task <bool> _validator(PromptValidatorContext <Activity> promptContext, CancellationToken cancellationToken)
{
var activity = promptContext.Recognized.Value;
if (activity.Type == ActivityTypes.Event)
{
if ((int)activity.Value == 2)
{
promptContext.Recognized.Value = MessageFactory.Text(activity.Value.ToString());
return(true);
}
}
else
{
await promptContext.Context.SendActivityAsync("Please send an 'event'-type Activity with a value of 2.");
}
return(false);
}
private static Task <bool> DateTimePromptValidator(PromptValidatorContext <IList <DateTimeResolution> > promptContext, CancellationToken cancellationToken)
{
if (promptContext.Recognized.Succeeded)
{
var timex = promptContext.Recognized.Value[0].Timex.Split('T')[0];
var res = Convert.ToDateTime(timex);
var isDefinite = new TimexProperty(timex).Types.Contains(Constants.TimexTypes.Definite);
if (res < DateTime.Now && res.Year >= DateTime.Now.Year)
{
isDefinite = false;
}
return(Task.FromResult(isDefinite));
}
else
{
return(Task.FromResult(false));
}
}
