| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Scheduler\ActionInspector; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Scheduler\Action\ActionInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Scheduler\Exception\SchedulerException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * Class FileActionInspector | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * @package Scheduler\ActionInspector | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * @author Aleh Hutnikau, <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | class FileActionInspector extends AbstractActionInspector | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     /** @var string */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |     private $filePath; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     /** @var resource */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     private $fh; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      * FileActionInspector constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |      * @param $filePath | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 24 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 25 | 2 |  |     public function __construct($filePath) | 
            
                                                                        
                            
            
                                    
            
            
                | 26 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 27 | 2 |  |         $this->filePath = $filePath; | 
            
                                                                        
                            
            
                                    
            
            
                | 28 | 2 |  |         if (!file_exists($this->filePath)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 29 | 2 |  |             file_put_contents($this->filePath, ''); | 
            
                                                                        
                            
            
                                    
            
            
                | 30 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 31 | 2 |  |         $this->fh = fopen($this->filePath, 'r+'); | 
            
                                                                        
                            
            
                                    
            
            
                | 32 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * @param ActionInterface $action | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * @return boolean returns `false` if action is already exists in this state in the log | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      * @throws SchedulerException | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 | 2 |  |     public function update(ActionInterface $action) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 | 2 |  |         flock($this->fh, LOCK_EX); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 | 2 |  |         $messages = $this->getMessages(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 | 2 |  |         $actionId = $action->getId(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 | 2 |  |         $actionState = $action->getState(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 | 2 |  |         $previousState = isset($messages[$actionId]) ? $messages[$actionId]['state'] : null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 2 |  |         if ($this->isStateAllowed($action, $previousState)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 | 2 |  |             $messages[$actionId]['state'] = $actionState; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 | 2 |  |             $result = true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 | 2 |  |             if ($actionState === ActionInterface::STATE_FINISHED) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 | 2 |  |                 $messages[$actionId]['report'] = $action->getReport(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 | 2 |  |             $result = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 | 2 |  |         $this->save($messages); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 2 |  |         flock($this->fh, LOCK_UN); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 2 |  |         return $result; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * Close an open file pointer when class instance destructs. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 | 2 |  |     public function __destruct() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 | 2 |  |         fclose($this->fh); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 | 2 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * Get action messages from log file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 | 2 |  |     private function getMessages() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 | 2 |  |         $messages = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 | 2 |  |         $content = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 | 2 |  |         fseek($this->fh, 0); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 | 2 |  |         while (!feof($this->fh)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 | 2 |  |             $content .= fgets($this->fh); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 | 2 |  |         if ($content) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 | 2 |  |             $messages = json_decode($content, true); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 | 2 |  |         return $messages; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      * Save action messages to file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |      * @param array $messages | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 | 2 |  |     private function save(array $messages) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 | 2 |  |         fseek($this->fh, 0); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 | 2 |  |         fwrite($this->fh, json_encode($messages)); | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 96 |  |  |     } | 
            
                                                        
            
                                    
            
            
                | 97 |  |  | } |