void GetOffsetAngle(IARequest request, IAResponse response)
{
// Find the device
String deviceIdentifier = request.Parameters["identifier"];
Device requestingDevice = locator.Devices.Find(d => d.Identifier == deviceIdentifier);
// Device Does Not Exist
if (requestingDevice == null)
{
response.StatusCode = 404; // not found
return;
}
if (requestingDevice.Location.HasValue && locator.Trackers[0].Location.HasValue)
{
Point requestingDeviceLocation = requestingDevice.Location.Value;
Point offsetLocation = locator.Trackers[0].Location.Value;
double angle = Util.AngleBetweenPoints(requestingDeviceLocation, offsetLocation);
response.SetBodyWith(angle);
//response.SetBodyWith(90);
}
else
{
// Device doesn't have location
response.StatusCode = 400;
}
}
/// <summary>
/// Handle a request for information about a device
/// </summary>
/// <param name="request"></param>
/// <param name="response"></param>
void GetDevice(IARequest request, IAResponse response)
{
String deviceIdentifier = request.Parameters["identifier"];
// Find the associated device in the Current Devices
Device device = locator.Devices.Find(d => d.Identifier.Equals(deviceIdentifier));
if (device == null)
{
response.StatusCode = 404;
return;
}
// Get the intermediateDevice for serialization
IntermediateDevice intermediateDevice = PairableDevice.GetCompleteIntermediateDevice(device);
if (intermediateDevice == null)
{
//TODO: Should this status code be different, to reflect that the device exists but couldn't be returned due to incompleteness?
response.StatusCode = 404;
return;
}
// Respond with the device
response.SetBodyWith(intermediateDevice);
}
void GetNearestDeviceInView(IARequest request, IAResponse response)
{
String deviceIdentifier = request.Parameters["identifier"];
// Find the associated device in the Current Devices
Device observer = locator.Devices.Find(d => d.Identifier.Equals(deviceIdentifier));
if (observer == null)
{
//TODO: Should we use distinct status codes for distinct failure types here?
response.StatusCode = 404;
return;
}
// Find the nearest device that we observe
Device nearestDevice = locator.GetNearestDeviceInView(observer);
if (nearestDevice == null)
{
response.StatusCode = 404;
return;
}
// Prepare the device for serialization
IntermediateDevice intermediateDevice = PairableDevice.GetCompleteIntermediateDevice(nearestDevice);
if (intermediateDevice == null)
{
response.StatusCode = 404;
return;
}
response.SetBodyWith(intermediateDevice);
}
void GetNearestDeviceInRange(IARequest request, IAResponse response)
{
String deviceIdentifier = request.Parameters["identifier"];
double range = Double.Parse(request.Parameters["range"]);
// Find the associated device in the Current Devices
Device observer = locator.Devices.Find(d => d.Identifier.Equals(deviceIdentifier));
if (observer == null)
{
response.StatusCode = 404;
return;
}
Device nearestDevice = locator.GetNearestDeviceWithinRange(observer, range);
if (nearestDevice == null)
{
response.StatusCode = 404;
return;
}
IntermediateDevice intermediateDevice = PairableDevice.GetCompleteIntermediateDevice(nearestDevice);
if (intermediateDevice == null)
{
response.StatusCode = 404;
return;
}
// Respond with the device
response.SetBodyWith(intermediateDevice);
}
void GetDevicesInView(IARequest request, IAResponse response)
{
String deviceIdentifier = request.Parameters["identifier"];
// Find the associated device in the Current Devices
Device observer = locator.Devices.Find(d => d.Identifier.Equals(deviceIdentifier));
if (observer == null)
{
response.StatusCode = 404;
return;
}
// Get the devices in view, and convert them for serialization
List<Device> devicesInView = locator.GetDevicesInView(observer);
List<IntermediateDevice> intDevices = PairableDevice.GetCompleteIntermediateDevicesList(devicesInView);
if (intDevices.Count == 0)
{
response.StatusCode = 404;
return;
}
response.SetBodyWith(intDevices);
}
void GetDevicesInRange(IARequest request, IAResponse response)
{
String deviceIdentifier = request.Parameters["identifier"];
double range = Double.Parse(request.Parameters["range"]);
// Find the associated device in the Current Devices
Device device = locator.Devices.Find(d => d.Identifier.Equals(deviceIdentifier));
if (device == null)
{
response.StatusCode = 404;
return;
}
List<Device> devicesInView = locator.GetDevicesWithinRange(device, range);
List<IntermediateDevice> intermediateDevices = PairableDevice.GetCompleteIntermediateDevicesList(devicesInView);
if (intermediateDevices.Count == 0)
{
response.StatusCode = 404;
return;
}
// Respond with the device
response.SetBodyWith(intermediateDevices);
}
/// <summary>
/// Return All Devices known to the Locator
/// </summary>
/// <param name="request"></param>
/// <param name="response"></param>
void GetDevices(IARequest request, IAResponse response)
{
List<IntermediateDevice> intermediateDevices = PairableDevice.GetCompleteIntermediateDevicesList(locator.Devices);
if (intermediateDevices.Count == 0)
{
response.StatusCode = 404;
}
else
{
response.SetBodyWith(intermediateDevices);
}
}
