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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author tarjei huse  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package midcom.services.rcs  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright The Midgard Project, http://www.midgard-project.org  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\EventDispatcher\EventSubscriberInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use midcom\events\dbaevent;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * The RCS service gives a write only interface to different services wanting to save changes to objects.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * The RCS service will try to initialize the backend based on GNU RCS, but, if that fails, fall back  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * to the nullrcs handler. The nullrcs handler does not save anything at all.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * <b>Configuration parameters that are in use by this service:</b>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * * string midcom_services_rcs_bin_dir - the prefix for the rcs utilities (normally /usr/bin)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * * string midcom_services_rcs_root - the directory where the rcs files get placed.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * * boolean midcom_services_rcs_enable - if set, midcom will fail hard if the rcs service is not operational.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package midcom.services.rcs  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class midcom_services_rcs implements EventSubscriberInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private midcom_services_rcs_config $config;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function getSubscribedEvents()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            dbaevent::CREATE => ['update'],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            dbaevent::UPDATE => ['update'],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            dbaevent::DELETE => ['update']  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             238                          | 
                
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    public function __construct(midcom_config $config)  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->config = new midcom_services_rcs_config($config);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Factory function for the handler object.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function load_backend(midcom_core_dbaobject $object) : midcom_services_rcs_backend  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             234                          | 
                
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (!$object->guid) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $class = midcom_services_rcs_backend_null::class;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $class = $this->config->get_backend_class();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return new $class($object, $this->config);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             234                          | 
                
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             234                          | 
                
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Create or update the RCS file for the object.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function update(dbaevent $event)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $object = $event->get_object();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (!$this->config->use_rcs() || !$object->_use_rcs) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $backend = $this->load_backend($object);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $backend->update(midcom::get()->auth->user->id ?? 'NOBODY', $object->get_rcs_message());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } catch (midcom_error $e) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            debug_add('RCS: Could not save file!'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $e->log();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Determine if we should display a particular field in the diff or preview states  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function is_field_showable(string $field) : bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return !in_array($field, ['id', 'guid'], true);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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