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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * (c) 2018 Douglas Reith.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * For the full copyright and license information, please view the LICENSE  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * file that was distributed with this source code.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                declare(strict_types=1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Reith\ToyRobot\CommandHandler;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use MathPHP\LinearAlgebra\Vector;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Log\LoggerInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Reith\ToyRobot\Domain\Robot\RobotRepositoryInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Reith\ToyRobot\Domain\Robot\Robot;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Reith\ToyRobot\Messaging\Annotation\Subscribe;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Reith\ToyRobot\Messaging\Command\TurnLeft;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Reith\ToyRobot\Messaging\Command\TurnRight;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Reith\ToyRobot\Messaging\Command\MoveForward;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                final class RobotMover  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $repository;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $logger;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param RobotRepositoryInterface $repository  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param LoggerInterface          $logger  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        RobotRepositoryInterface $repository,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        LoggerInterface $logger  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->repository = $repository;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->logger = $logger;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @Subscribe  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param TurnLeft $command  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                             1                          | 
                
                View Code Duplication | 
                    public function handleTurningLeft(TurnLeft $command): void  | 
            
                            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $robot = $this->getRobot();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $robot->left();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->repository->save($robot);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->logger->info('Robot turned left'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @Subscribe  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param TurnRight $command  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function handleTurningRight(TurnRight $command): void  | 
            
                            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $robot = $this->getRobot();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $robot->right();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->repository->save($robot);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->logger->info('Robot turned right'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @Subscribe  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param MoveForward $command  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                    public function handleMoveForward(MoveForward $command): void  | 
            
                            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $robot = $this->getRobot();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $robot->move();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->repository->save($robot);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->logger->info('Robot moved forward'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return Robot  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                        
            
                                    
            
            
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                    private function getRobot(): Robot  | 
            
            
                                                        
            
                                    
            
            
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                    { | 
            
            
                                                        
            
                                    
            
            
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                        $robot = $this->repository->load();  | 
            
            
                                                        
            
                                    
            
            
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                        if (!($robot instanceof Robot)) { | 
            
            
                                                        
            
                                    
            
            
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                            throw new \RuntimeException(  | 
            
            
                                                        
            
                                    
            
            
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                                'Robot cannot be found. Please PLACE the robot first.'  | 
            
            
                                                        
            
                                    
            
            
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                            );  | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                        return $robot;  | 
            
            
                                                        
            
                                    
            
            
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.