// The notion of a Validator is a standard pattern across all the Prompts
private static Task TimexValidator(ITurnContext context, TimexResult value)
{
var cadidates = value.Resolutions;
var constraints = new[] {
TimexCreator.ThisWeek(), /* Take any entries for this week, no entries from past please */
TimexCreator.NextWeek(), /* Take any entries for next week, no dates from the past please */
TimexCreator.Evening, /* Evenings only */
};
var resolutions = TimexRangeResolver.Evaluate(cadidates, constraints);
if (resolutions.Count == 0)
{
value.Resolutions = new string[] { };
value.Status = Microsoft.Bot.Builder.Prompts.PromptStatus.OutOfRange;
}
else
{
value.Resolutions = new[] { resolutions.First().TimexValue };
value.Status = Microsoft.Bot.Builder.Prompts.PromptStatus.Recognized;
}
return(Task.CompletedTask);
}
/// <summary>
/// Compares a set of candidate date time strings against our validation constraints, and
/// returns a value that matches; or null, if no candidates meet the constraints.
/// </summary>
/// <param name="candidates">The candidate strings.</param>
/// <returns>A value that matches; or null, if no candidates meet the constraints.</returns>
/// <remarks>Valid dates are evenings within the next 2 weeks.</remarks>
private static DateTimeResult.DateTimeResolution ResolveDate(IEnumerable <string> candidates)
{
// Find any matches within dates from this week or next (not in the past), and evenings only.
var constraints = new[]
{
TimexCreator.NextWeeksFromToday(2),
TimexCreator.Evening
};
List <TimexProperty> resolutions = null;
try
{
resolutions = TimexRangeResolver.Evaluate(candidates, constraints);
}
catch
{
return(null);
}
if (resolutions.Count is 0)
{
return(null);
}
// Use the first recognized value for the reservation time.
var timex = resolutions[0];
return(new DateTimeResult.DateTimeResolution
{
Start = timex.ToNaturalLanguage(DateTime.Now),
End = timex.ToNaturalLanguage(DateTime.Now),
Value = timex.ToNaturalLanguage(DateTime.Now),
Timex = timex.TimexValue
});
}
private List <TimexProperty> evaluateTimeX(string[] candidates)
{
var constraints = new[] {
TimexCreator.ThisWeek(), /* Take any entries for this week, no entries from past please */
TimexCreator.NextWeek(), /* Take any entries for next week, no dates from the past please */
TimexCreator.Evening, /* Evenings only */
};
return(TimexRangeResolver.Evaluate(candidates, constraints));
}
public void DataTypes_Creator_nextWeek()
{
var start = TimexDateHelpers.DateOfNextDay(DayOfWeek.Monday, System.DateTime.Now);
var t = TimexProperty.FromDate(start);
t.Days = 7;
var expected = t.TimexValue;
Assert.AreEqual(expected, TimexCreator.NextWeek());
}
public void DataTypes_Creator_Today()
{
var d = System.DateTime.Now;
var expected = TimexFormat.Format(new TimexProperty
{
Year = d.Year,
Month = d.Month,
DayOfMonth = d.Day
});
Assert.AreEqual(expected, TimexCreator.Today());
}
public void DataTypes_Creator_WeekBackFromToday()
{
var d = System.DateTime.Now;
d = d.AddDays(-7);
var expected = TimexFormat.Format(new TimexProperty
{
Year = d.Year,
Month = d.Month,
DayOfMonth = d.Day,
Days = 7
});
Assert.AreEqual(expected, TimexCreator.WeekBackFromToday());
}
public static void Examples()
{
// When you give the recognzier the text "Wednesday 4 o'clock" you get these distinct TIMEX values back.
// But our bot logic knows that whatever the user says it should be evaluated against the constraints of
// a week from today with respect to the date part and in the evening with respect to the time part.
var resolutions = TimexRangeResolver.Evaluate(
new[] { "XXXX-WXX-3T04", "XXXX-WXX-3T16" },
new[] { TimexCreator.WeekFromToday(), TimexCreator.Evening });
var today = DateTime.Now;
foreach (var resolution in resolutions)
{
Console.WriteLine(resolution.ToNaturalLanguage(today));
}
}
// The notion of a Validator is a standard pattern across all the Prompts
private static Task TimexValidator(ITurnContext context, TimexResult value)
{
var cadidates = value.Resolutions;
var constraints = new[] { TimexCreator.ThisWeek(), TimexCreator.NextWeek(), TimexCreator.Evening };
var resolutions = TimexRangeResolver.Evaluate(cadidates, constraints);
if (resolutions.Count == 0)
{
value.Resolutions = new string[] {};
value.Status = PromptStatus.OutOfRange;
}
else
{
value.Resolutions = new[] { resolutions.First().TimexValue };
value.Status = PromptStatus.Recognized;
}
return(Task.CompletedTask);
}
public void DataTypes_Creator_WeekFromToday_Relative()
{
Assert.AreEqual("(2017-10-05,2017-10-12,P7D)", TimexCreator.WeekFromToday(new System.DateTime(2017, 10, 5)));
}
public void DataTypes_Creator_Yesterday_Relative()
{
Assert.AreEqual("2017-10-04", TimexCreator.Yesterday(new System.DateTime(2017, 10, 5)));
}
public void DataTypes_Creator_Tomorrow_Relative()
{
Assert.AreEqual("2017-10-06", TimexCreator.Tomorrow(new System.DateTime(2017, 10, 5)));
}
public void DataTypes_Creator_NextWeeksFromToday_Relative()
{
Assert.AreEqual("(2017-10-05,2017-10-19,P14D)", TimexCreator.NextWeeksFromToday(2, new System.DateTime(2017, 10, 5)));
}
public void DataTypes_Creator_LastWeek_Relative()
{
Assert.AreEqual("(2017-09-25,2017-10-02,P7D)", TimexCreator.LastWeek(new System.DateTime(2017, 10, 5)));
}
public void DataTypes_Creator_NextWeek_Relative()
{
Assert.AreEqual("(2017-10-09,2017-10-16,P7D)", TimexCreator.NextWeek(new System.DateTime(2017, 10, 5)));
}