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                use Finite\StateMachine\StateMachine;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class DNDeploymentDispatcher extends Dispatcher { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	const ALLOW_DNDEPLOYMENT_APPROVE = 'ALLOW_DNDEPLOYMENT_APPROVE';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	const ALLOW_DNDEPLOYMENT_QUEUE = 'ALLOW_DNDEPLOYMENT_QUEUE';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private static $allowed_actions = [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		'apply',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		'canApply',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private static $url_handlers = [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		'$Id/apply/$State' => 'apply',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		'$Id/can/$State' => 'canApply',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	];  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	public function getModel($name) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$id = $this->request->param('Id'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$deployment = DNDeployment::get()->byId($id);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		return [  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			'Status' => $deployment->Status  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		];  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function apply(SS_HTTPRequest $request) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->checkSecurityToken();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$project = $this->getCurrentProject();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if(!$project) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return $this->project404Response();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$env = $this->getCurrentEnvironment($project);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if(!$env) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return $this->environment404Response();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$machine = $this->getMachine();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$machine->apply($request->param('State')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$model = $this->getModel('DNDeployment'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $this->asJSON($model);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                View Code Duplication | 
                	public function canApply(SS_HTTPRequest $request) { | 
            
                            
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                		$this->checkSecurityToken();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$project = $this->getCurrentProject();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if(!$project) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return $this->project404Response();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$env = $this->getCurrentEnvironment($project);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if(!$env) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return $this->environment404Response();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $this->asJSON([  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			'Can' => $this->getMachine()->can($request->param('State')) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		]);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private function getMachine() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$id = $this->request->param('Id'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$deployment = DNDeployment::get()->byId($id);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$project = $deployment->Environment()->Project();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$machine = $deployment->getMachine();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// Map authorisation rules to selected transitions.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$machine->getDispatcher()->addListener(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			'finite.test_transition',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			function (Finite\Event\TransitionEvent $e) use ($project) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$code = null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				switch ($e->getTransition()->getName()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				case 'approve':  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					$code = self::ALLOW_DNDEPLOYMENT_APPROVE;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					break;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				case 'queue':  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					$code = self::ALLOW_DNDEPLOYMENT_QUEUE;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					break;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				if (!$code || !$project->allowed($code)) { | 
            
                            
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                					$e->reject();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $machine;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.