| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace HM\BackUpWordPress; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * Manages status and progress of a backup | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | class Backup_Status { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |     private $filename = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |     public function __construct( $id ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |         $this->id = $id; | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |     public function start( $backup_filename, $status_message ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |         $this->filename = $backup_filename; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |         $this->set_status( $status_message ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 21 |  |  |     public function get_backup_filename() { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                        
                            
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 23 |  |  |         if ( $this->is_started() ) { | 
            
                                                                        
                            
            
                                    
            
            
                | 24 |  |  |             $status = json_decode( file_get_contents( $this->get_status_filepath() ) ); | 
            
                                                                        
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 26 |  |  |             if ( ! empty( $status->filename ) ) { | 
            
                                                                        
                            
            
                                    
            
            
                | 27 |  |  |                 $this->filename = $status->filename; | 
            
                                                                        
                            
            
                                    
            
            
                | 28 |  |  |             } | 
            
                                                                        
                            
            
                                    
            
            
                | 29 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 30 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 31 |  |  |         return $this->filename; | 
            
                                                                        
                            
            
                                    
            
            
                | 32 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     public function is_started() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |         return (bool) file_exists( $this->get_status_filepath() ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     public function finish() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |         // Delete the backup running file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |         if ( file_exists( $this->get_status_filepath() ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |             unlink( $this->get_status_filepath() ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |      * Get the status of the running backup. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     public function get_status() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         if ( ! file_exists( $this->get_status_filepath() ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |             return ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         $status = json_decode( file_get_contents( $this->get_status_filepath() ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         if ( ! empty( $status->status ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |             return $status->status; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |         return ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |      * Set the status of the running backup | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |      * @param string $message | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      * @return null | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     public function set_status( $message ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |         // If start hasn't been called yet then we wont' have a backup filename | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |         if ( ! $this->filename ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |             return ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |         $status = json_encode( (object) array( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |             'filename' => $this->filename, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |             'started'  => $this->get_start_time(), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |             'status'   => $message, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |         file_put_contents( $this->get_status_filepath(), $status ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |      * Get the time that the current running backup was started | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |      * @return int $timestamp | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |     public function get_start_time() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |         if ( ! file_exists( $this->get_status_filepath() ) ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |             return 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |         $status = json_decode( file_get_contents( $this->get_status_filepath() ) ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |         if ( ! empty( $status->started ) && (int) (string) $status->started === $status->started ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |             return $status->started; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |         return time(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |      * Get the path to the backup running file that stores the running backup status | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |     public function get_status_filepath() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |     	return Path::get_path() . '/.backup-' . $this->id . '-running'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |  | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 120 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 121 |  |  |  | 
            
                        
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: