/// <summary>
/// A simple function that takes a zip code and returns a description of the weather
/// </summary>
/// <param name="input"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task <object> FunctionHandler(dynamic input, ILambdaContext context)
{
Console.WriteLine("-------- Function Handler ----------");
//.WriteLine(input);
// Check if we need to initialize our HTTPRequest
if (HttpRequest.APIClient == null)
{
// Retrieved the Open Weather APP ID from the environment
string strAppID = Environment.GetEnvironmentVariable("OpenWeatherAppID");
// Now use it to initialize the HTTPRequest
WeatherProcessor.InitializeWeatherProcessor(strAppID);
}
// Parameter data passed with Invoke AWS Lambda Function request.
string strZipCode = input?["Details"]?["Parameters"]?.ZipCode;
if (string.IsNullOrEmpty(strZipCode) || strZipCode.Length != 5)
{
Console.WriteLine("Zip code was not set or wasn't five digits");
return(new
{
message = "ZipCode parameter was not set"
});
}
Console.WriteLine($"Zip Code: {strZipCode}");
// Lookup the weather for the zip code
try
{
string strWeather = await WeatherProcessor.LoadWeather(strZipCode);
Console.WriteLine(strWeather);
// Return it
var result = new
{
message = $"\"{strWeather}\""
};
return(result);
}
catch (Exception ex)
{
Console.WriteLine($"Exception: {ex.Message}");
return(new
{
message = $"The Lambda Function had an exception. {ex.Message}"
});
}
}
private void Form1_Load(object sender, EventArgs e)
{
WeatherProcessor.InitializeWeatherProcessor(Properties.Settings.Default.OpenWeatherAppID);
}