public void Handle(GridAndRoverMovementsCommand command)
{
foreach (var roverCommands in command.RoverMovementCommands.OrderBy(x => x.RoverCreationOrder))
{
foreach (var roverMovementCommand in roverCommands.RoverMovementCommands.OrderBy(
x => x.ActionExecutionOrder))
{
var rover = _roverProvider.GetRoverStateFor(roverCommands.RoverId);
var roverStateChangeCommand =
_roverActonToCoordinateTranslationService.Translate(rover, roverMovementCommand);
try
{
_marsRoverGrid.MoveRoverTo(rover, roverStateChangeCommand.YCoordinate,
roverStateChangeCommand.XCoordinate);
_roverProvider.SaveRoverMovement(rover.RoverId, roverStateChangeCommand);
}
catch (RoverWillDriveOffGridException)
{
_roverProvider.UpdateRoverStatus(roverCommands.RoverId, RoverStatus.HelpRequired);
}
catch (GridSpaceOccupiedException)
{
_roverProvider.UpdateRoverStatus(roverCommands.RoverId, RoverStatus.HelpRequired);
}
}
}
}
public GridAndRoverMovementsCommand CreateCommandsFrom(string roverCommand)
{
var result = new GridAndRoverMovementsCommand();
var movementCommandsIncludingHeaderArray = ValidateCommandStructure(roverCommand);
var gridSizeArray = movementCommandsIncludingHeaderArray[0].Split(' ');
CreateRoverGridSizeCommand(gridSizeArray, result);
CreateRoverStartPositionAndMovementCommands(movementCommandsIncludingHeaderArray, result);
return(result);
}
private static void CreateRoverStartPositionAndMovementCommands(string[] movementCommandsIncludingHeaderArray,
GridAndRoverMovementsCommand result)
{
var roverCreationOrder = 1;
for (var i = 1; i < movementCommandsIncludingHeaderArray.Length; i += 2)
{
CreateRoverStartPositionAndMovementCommand(movementCommandsIncludingHeaderArray, i, result, roverCreationOrder);
roverCreationOrder++;
}
}
private static void CreateRoverStartPositionAndMovementCommand(string[] movementCommandsIncludingHeaderArray,
int i,
GridAndRoverMovementsCommand result,
int roverCreationOrder)
{
var roverStartPositionCommand = RoverStartPositionCommand(movementCommandsIncludingHeaderArray, i);
var roverActionCommands = MovementCharsCommand(movementCommandsIncludingHeaderArray, i);
result.RoverMovementCommands.Add(
new RoverStartPositionAndMovementCommands
{
RoverId = Guid.NewGuid(),
RoverStartPositionCommand = roverStartPositionCommand,
RoverMovementCommands = roverActionCommands,
RoverCreationOrder = roverCreationOrder
});
}
private static void CreateRoverGridSizeCommand(string[] gridSizeArray, GridAndRoverMovementsCommand result)
{
var coordinatesHolder = 0;
if (!int.TryParse(gridSizeArray[0], out coordinatesHolder))
{
throw new InvalidCommandStructureException(
"The xCoordinate of the grid structure is not a valid integer.");
}
result.GridSize.Y = coordinatesHolder;
if (!int.TryParse(gridSizeArray[1], out coordinatesHolder))
{
throw new InvalidCommandStructureException(
"The xCoordinate of the grid structure is not a valid integer.");
}
result.GridSize.X = coordinatesHolder;
}
public void Handle(GridAndRoverMovementsCommand command)
{
_marsRoverGrid.SetMarsRoverGridBoundary(command.GridSize.Y, command.GridSize.X);
}
