// Examines the LUIS response for entities, namely a location for the weather forecast.
// <returns>String containing the entities, if any.</returns>
private LUISEntities ParseLuisForEntities(RecognizerResult recognizerResult)
{
LUISEntities result = new LUISEntities();
var temp = recognizerResult.Entities.First;
// recognizerResult.Entities returns type JObject.
foreach (var entity in recognizerResult.Entities)
{
// use JsonConvert to convert entity.Value to a dynamic object.
dynamic o = JsonConvert.DeserializeObject <dynamic>(entity.Value.ToString());
if (result.Location.Equals(string.Empty))
{
// Take the first entity
if (o.location != null)
{
// Grab first location entry
result.Location = o.location[0].text;
// Since it's a location, make sure first letter is capitalized
result.Location = result.Location.First().ToString().ToUpper() + result.Location.Substring(1);
}
}
if (result.Condition.Equals(string.Empty))
{
// Take the first entity
if (o.condition != null)
{
result.Condition = o.condition[0].text;
}
}
if (result.Sun.Equals(string.Empty))
{
// Take the first entity
if (o.sun != null)
{
result.Sun = o.sun[0].text;
}
}
// If we found entities, they will be together in the same entry. Return those results.
if (result.Sun.Equals(string.Empty) &&
result.Condition.Equals(string.Empty) &&
result.Location.Equals(string.Empty))
{
continue;
}
return(result);
}
// No entities found.
return(result);
}
private JObject GetForecastInformation(string forecastType, LUISEntities entityFound)
{
string forecastUrl = string.Empty;
switch (forecastType)
{
case DailyForecast:
forecastUrl = "http://api.openweathermap.org/data/2.5/weather?q=" + entityFound.Location + "&APPID=" + openMapKey;
break;
case HourlyForecast:
forecastUrl = "http://api.openweathermap.org/data/2.5/forecast?q=" + entityFound.Location + "&APPID=" + openMapKey;
break;
default:
throw new InvalidOperationException($"Invalid forecast type requested.");
}
return(GetFormattedJSON(forecastUrl));
}
// Finds the hourly forecast from provided forecast information.
private string FindHourlyForecast(JObject json, LUISEntities entities)
{
string hourlyForecastString = $"Hourly weather forecasts for {entities.Location}.\n";
string hourlyTempString = "00.00";
string hourlyConditionString = "cloudy";
string hourlyTimeString = string.Empty;
string conditionString = string.Empty;
string conditionStart = string.Empty;
string condition = entities.Condition;
int counter = 0;
if (condition != string.Empty)
{
// Truncate string for grammar for precipitation
condition = condition.Replace("ing", string.Empty);
condition = condition.Replace("sunny", "sun");
condition = condition.Replace("cloudy", "clouds");
condition = condition.Replace("y", string.Empty);
}
// LINQ query to get the list of hourly forecasts
var hourlyForecast =
from f in json["list"]
select f;
foreach (var forecast in hourlyForecast)
{
// Get the temp and convert it.
hourlyTempString = FindCurrentTemp(forecast as JObject);
// Get the conditions.
hourlyConditionString = FindCurrentConditions(forecast as JObject);
// Get the current time from the forecast.
DateTime start_time = (DateTime)forecast["dt_txt"];
// Convert from UTC to local time.
start_time = start_time.ToLocalTime();
// Add 90 minutes to get to the middle of the interval.
start_time += new TimeSpan(1, 30, 0);
hourlyTimeString = start_time.ToShortTimeString();
if (!condition.Equals(string.Empty) &&
hourlyConditionString.Contains(condition) &&
conditionStart.Equals(string.Empty))
{
conditionStart = hourlyTimeString + "\n";
}
// Build the forecast string from information above and append it.
hourlyForecastString = hourlyForecastString + "Forecast for: " + hourlyTimeString + ", Temperature: " + hourlyTempString + "F, " + hourlyConditionString + "\n";
// Only give first 8, which is a full day.
counter++;
if (counter > 7)
{
break;
}
}
if (!condition.Equals(string.Empty))
{
if (conditionStart.Equals(string.Empty))
{
conditionString = "There isn't any " + condition + " in the forecast for the next 24 hours!\n";
}
else
{
conditionString = "It looks like you will see " + condition + " by about " + conditionStart + "\n";
}
}
return(conditionString + hourlyForecastString);
}
private async Task ProcessWeatherAsync(ITurnContext <IMessageActivity> turnContext, LuisResult luisResult, CancellationToken cancellationToken)
{
// Get the state properties.
var conversationStateAccessors = _conversationState.CreateProperty <ConversationData>(nameof(ConversationData));
var conversationData = await conversationStateAccessors.GetAsync(turnContext, () => new ConversationData());
var userStateAccessors = _userState.CreateProperty <UserProfile>(nameof(UserProfile));
var userProfile = await userStateAccessors.GetAsync(turnContext, () => new UserProfile());
await turnContext.SendActivityAsync(MessageFactory.Text($"Sending your request to Luis."), cancellationToken);
_logger.LogInformation("ProcessWeatherAsync");
openMapKey = _configuration["OpenWeatherMapKey"];
conversationData.DispatchIntent = luisResult.TopScoringIntent.Intent;
var results = await _botServices.Forecasts.RecognizeAsync(turnContext, cancellationToken);
// Top intent tells us which cognitive service to use.
var topIntent = results.GetTopScoringIntent();
conversationData.LuisIntent = topIntent.intent;
// uncomment to debug returned weather intents.
// await turnContext.SendActivityAsync(MessageFactory.Text($"Forecasts intent returned {topIntent.intent}."), cancellationToken);
// See if LUIS found and used an entity to determine user intent.
LUISEntities entityFound = ParseLuisForEntities(results);
// save all returned entities within conversationData
conversationData.Location = entityFound.Location;
conversationData.Condition = entityFound.Condition;
conversationData.Sun = entityFound.Sun;
if (entityFound.Location == string.Empty)
{
if ((userProfile.Location != null) && (userProfile.Location != string.Empty))
{
entityFound.Location = userProfile.Location;
conversationData.Location = userProfile.Location;
}
else
{
// Inform the user we found no location.
await turnContext.SendActivityAsync("Sorry, no location was provided for your request. Please add a phrase like 'in Redmond' to your weather question.");
}
}
else
{
// Save the location this user asked about for later use as well.
userProfile.Location = entityFound.Location;
}
if (topIntent.intent != null && topIntent.intent != "None")
{
string debugInfo = string.Empty; // $"==> LUIS Top Scoring Intent: { topIntent.Value.intent}, LUIS location entity: { entityFound.Location}, Score: { topIntent.Value.score}\n ";
if (entityFound.Location != string.Empty && topIntent.intent == "Daily_Forecast")
{
// Use top intent and "entityFound" = location to call daily weather service here...
var jsonResult = GetForecastInformation(DailyForecast, entityFound);
var currentConditions = FindCurrentConditions(jsonResult);
var currentTemp = FindCurrentTemp(jsonResult);
await turnContext.SendActivityAsync(debugInfo + $"Daily weather forecast for {entityFound.Location}.\n {currentConditions}, temperature: {currentTemp}F");
}
else if (entityFound.Location != string.Empty && topIntent.intent == "Hourly_Forecast")
{
// Use top intent and "entityFound" = location to call hourly weather service here...
var jsonResult = GetForecastInformation(HourlyForecast, entityFound);
// Call FindHourlyForecast
var currentForecast = FindHourlyForecast(jsonResult, entityFound);
await turnContext.SendActivityAsync(debugInfo + currentForecast);
}
else if (entityFound.Location != string.Empty && topIntent.intent == "When_Condition")
{
// Get forecast information
var jsonResult = GetForecastInformation(HourlyForecast, entityFound);
// Find when that condition is happening
var currentForecast = FindHourlyForecast(jsonResult, entityFound);
await turnContext.SendActivityAsync(debugInfo + currentForecast);
}
else if (entityFound.Location != string.Empty && topIntent.intent == "When_Sun")
{
// Get forecast information
var jsonResult = GetForecastInformation(DailyForecast, entityFound);
var sunStatus = FindSunTime(jsonResult, entityFound.Sun);
await turnContext.SendActivityAsync($"Today in {entityFound.Location} the sun will " + sunStatus);
}
else if (topIntent.intent == "User_Goodbye")
{
// Say goodbye.
await SignOutUser(turnContext);
}
}
else
{
var msg = @"Try weather inputs like: 'Show me weather for Redmond.' or 'Will it rain in Redmond?'.";
await turnContext.SendActivityAsync(msg);
}
}
