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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Yajra\DataTables;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Illuminate\Support\ServiceProvider;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use League\Fractal\Manager;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use League\Fractal\Serializer\DataArraySerializer;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Yajra\DataTables\Transformers\FractalTransformer;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class FractalServiceProvider extends ServiceProvider  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Indicates if loading of the provider is deferred.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $defer = false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Bootstrap the application events.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function boot()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->mergeConfigFrom(__DIR__ . '/config/config.php', 'datatables-fractal');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->publishAssets();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->registerMacro();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Publish datatables assets.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    protected function publishAssets()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->publishes([  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            __DIR__ . '/config/config.php' => config_path('datatables-fractal.php'), | 
            
            
                                                                        
                            
            
                                    
            
            
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                        ], 'datatables-fractal');  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Register DataTables macro methods.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function registerMacro()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        DataTableAbstract::macro('setTransformer', function ($transformer) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->transformer = $transformer;  | 
            
                            
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                            return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        });  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        DataTableAbstract::macro('setSerializer', function ($serializer) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->serializer = $serializer;  | 
            
                            
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                            return $this;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        });  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Register the service provider.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function register()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->app->singleton('datatables.fractal', function () { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $fractal = new Manager;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $config  = $this->app['config'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $request = $this->app['request'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $includesKey = $config->get('datatables-fractal.includes', 'include'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if ($request->get($includesKey)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $fractal->parseIncludes($request->get($includesKey));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $serializer = $config->get('datatables-fractal.serializer', DataArraySerializer::class); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $fractal->setSerializer(new $serializer);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $fractal;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        });  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->app->singleton('datatables.transformer', function () { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return new FractalTransformer($this->app->make('datatables.fractal')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        });  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Get the services provided by the provider.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function provides()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'datatables.fractal',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            'datatables.transformer',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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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: