/// <summary>
/// Given a conversation request, extracts and validates required parameters.
/// </summary>
/// <param name="req">Conversation request</param>
/// <param name="temp">Hottest or coldest temperature indicator</param>
/// <param name="year">Year between 1929 and 2017</param>
/// <param name="countryCode2">Country code</param>
/// <param name="countryName">Country name</param>
/// <param name="fipsCountry"></param>
/// <returns></returns>
private static string ExtractAndValidateParameters(ConvRequest req, out string temp, out string year,
out string countryCode2, out string countryName, out string fipsCountry)
{
temp = req.Parameters["temp-extreme"].ToLowerInvariant();
var datesJson = JObject.Parse(req.Parameters["date-period"]);
year = new string(datesJson["startdate"].Value <string>().Take(4).ToArray());
var countryJson = JObject.Parse(req.Parameters["country"]);
countryCode2 = countryJson["alpha-2"].Value <string>();
countryName = countryJson["name"].Value <string>();
fipsCountry = FipsIsoCountryMap.Map(countryCode2.ToUpperInvariant());
if (year.Length != 4 || !int.TryParse(year, out int yearInt) || yearInt < 1929 || yearInt > 2017)
{
return("Sorry, the year specified is invalid or out of range.");
}
if (countryCode2 == null || countryName == null || countryCode2.Length != 2 || countryName.Length == 0)
{
return("Sorry, I can't understand that country.");
}
if (fipsCountry == null)
{
return("Sorry, cannot recognize country: '{countryName}'");
}
if (temp != "hottest" && temp != "coldest")
{
return("Sorry, I don't know if you want the hottest or coldest temperature.");
}
return(null);
}
/// <summary>
/// Given a conversation request, extracts and validates required parameters.
/// </summary>
/// <param name="req">Conversation request</param>
/// <param name="hottestOrColdest">Hottest or coldest temperature indicator</param>
/// <param name="year">Year between 1929 and 2017</param>
/// <param name="countryName">Country name</param>
/// <param name="fipsCountry"></param>
/// <returns></returns>
private static string ExtractAndValidateParameters(WebhookRequest req, out string hottestOrColdest, out string year,
out string countryName, out string fipsCountry)
{
var fields = req.QueryResult.Parameters.Fields;
hottestOrColdest = fields["hottest-or-coldest"].StringValue.ToLowerInvariant();
// Extract the day from DialogFlow date
var datePeriod = fields["date"].StructValue;
var startDate = datePeriod.Fields["startDate"].StringValue;
var dateTime = DateTime.Parse(startDate);
year = dateTime.ToString("yyyy");
var country = fields["country"].StructValue;
var countryCode = country.Fields["alpha-2"].StringValue;
countryName = country.Fields["name"].StringValue;
fipsCountry = FipsIsoCountryMap.Map(countryCode.ToUpperInvariant());
if (!int.TryParse(year, out int yearInt) || yearInt < 1929 || yearInt > 2017)
{
return("Sorry, the year specified is invalid or out of range.");
}
if (fipsCountry == null)
{
return("Sorry, cannot recognize country: '{countryName}'");
}
return(null);
}
/// <summary>
/// Given a conversation request, extracts and validates required parameters.
/// </summary>
/// <param name="req">Conversation request</param>
/// <param name="temp">Hottest or coldest temperature indicator</param>
/// <param name="year">Year between 1929 and 2017</param>
/// <param name="countryCode2">Country code</param>
/// <param name="countryName">Country name</param>
/// <param name="fipsCountry"></param>
/// <returns></returns>
private static string ExtractAndValidateParameters(WebhookRequest req, out string temp, out string year,
out string countryCode2, out string countryName, out string fipsCountry)
{
var fields = req.QueryResult.Parameters.Fields;
temp = fields["temp-extreme"].StringValue.ToLowerInvariant();
var datePeriod = fields["date-period"].StructValue;
var startDate = datePeriod.Fields["startDate"].StringValue;
year = new string(startDate.Take(4).ToArray());
var country = fields["country"].StructValue;
countryCode2 = country.Fields["alpha-2"].StringValue;
countryName = country.Fields["name"].StringValue;
fipsCountry = FipsIsoCountryMap.Map(countryCode2.ToUpperInvariant());
if (year.Length != 4 || !int.TryParse(year, out int yearInt) || yearInt < 1929 || yearInt > 2017)
{
return("Sorry, the year specified is invalid or out of range.");
}
if (countryCode2 == null || countryName == null || countryCode2.Length != 2 || countryName.Length == 0)
{
return("Sorry, I can't understand that country.");
}
if (fipsCountry == null)
{
return("Sorry, cannot recognize country: '{countryName}'");
}
if (temp != "hottest" && temp != "coldest")
{
return("Sorry, I don't know if you want the hottest or coldest temperature.");
}
return(null);
}
