public bool Evaluate(IRuleExecutionContext context)
{
/* STUDENT: Complete the Evaluate method to:
* Retrieve the current temperature
* Compare it to the temperature stored in the Policy
* Return the result of that comparison
*/
var minimumTemperature = MinimumTemperature.Yield(context);
var city = City.Yield(context);
var country = Country.Yield(context);
CommerceContext commerceContext = context.Fact <CommerceContext>((string)null);
string openWeatherAPIKey = commerceContext.GetPolicy <WeatherServiceClientPolicy>().OpenWeatherAPIKey;
var currentTemperature = GetCurrentTemperature(city, country, openWeatherAPIKey);
if (currentTemperature > minimumTemperature)
{
return(true);
}
else
{
return(false);
}
// STUDENT: Replace this line. It is only provided so the stub
// project will build cleanly
}
public bool Evaluate(IRuleExecutionContext context)
{
/* STUDENT: Complete the Evaluate method to:
* Retrieve the current temperature
* Compare it to the temperature stored in the Policy
* Return the result of that comparison
*/
var minimumTemperature = MinimumTemperature.Yield(context);
var city = City.Yield(context);
var country = Country.Yield(context);
// Fetch applicationid from the policy created.
CommerceContext commerceContext = context.Fact <CommerceContext>((string)null);
var weatherServicePolicy = commerceContext.GetPolicy <WeatherServiceClientPolicy>();
var currentTemperature = GetCurrentTemperature(city, country, weatherServicePolicy.ApplicationId);
if (currentTemperature > minimumTemperature)
{
return(true);
}
else
{
return(false);
}
}
static void Main()
{
CurrentTemperature = BrainPad.TemperatureSensor.ReadTemperatureInFahrenheit();
MinimumTemperature = CurrentTemperature;
MaximumTemperature = CurrentTemperature;
while (true)
{
CurrentTemperature = BrainPad.TemperatureSensor.ReadTemperatureInFahrenheit();
if (CurrentTemperature > MaximumTemperature)
{
MaximumTemperature = CurrentTemperature;
}
if (CurrentTemperature < MinimumTemperature)
{
MinimumTemperature = CurrentTemperature;
}
BrainPad.Display.Clear();
BrainPad.Display.DrawSmallText(39, 0, "Current");
BrainPad.Display.DrawText(37, 12, (CurrentTemperature.ToString("F1")));
BrainPad.Display.DrawSmallText(2, 34, "Minimum");
BrainPad.Display.DrawText(0, 46, (MinimumTemperature.ToString("F1")));
BrainPad.Display.DrawSmallText(72, 34, "Maximum");
BrainPad.Display.DrawText(70, 46, (MaximumTemperature.ToString("F1")));
if ((MaximumTemperature - MinimumTemperature) > 0)
{
TemperaturePosition = (CurrentTemperature - MinimumTemperature) / (MaximumTemperature - MinimumTemperature) * 127;
BrainPad.Display.DrawLine(0, 63, (int)TemperaturePosition, 63);
BrainPad.Display.DrawPoint(0, 62);
BrainPad.Display.DrawPoint(127, 62);
BrainPad.LightBulb.TurnColor(TemperaturePosition / 32, 0, (127 - TemperaturePosition) / 16);
}
BrainPad.Display.RefreshScreen();
BrainPad.Wait.Milliseconds(250);
}
}