| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Digia\Lumen\GraphQL; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use Digia\Lumen\GraphQL\Contracts\TypeResolverInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Youshido\GraphQL\Execution\Processor; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Illuminate\Cache\Repository as CacheRepository; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use Illuminate\Contracts\Filesystem\FileNotFoundException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | class GraphQLService | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |      * The cache key used when caching processor instances | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |     const PROCESSOR_CACHE_KEY = 'graphql_processor'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |      * Path to graphql introspection file | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     const INTROSPECTION_QUERY_PATH = 'graphql/Introspection.graphql'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |      * @var Processor | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     private $processor; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |      * @var TypeResolverInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     private $typeResolver; | 
                            
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                | 33 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |      * @var CacheRepository | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     private $cacheRepository; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      * GraphQLController constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |      * @param Processor $processor | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |     public function __construct(Processor $processor, CacheRepository $cacheRepository) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |         $this->processor       = $processor; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |         $this->cacheRepository = $cacheRepository; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      * Processor instantiation takes a while so we cache the instance forever. The processor cache can be cleared by | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      * running "php artisan graphql:clear:processor:cache". | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |      * @return Processor | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     public function getProcessor() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         $processor = $this->cacheRepository->get(self::PROCESSOR_CACHE_KEY); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         if ($processor === null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |             $processor = $this->processor; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |             $this->cacheRepository->forever(self::PROCESSOR_CACHE_KEY, $processor); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |         return $processor; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |      * Removes the currently cached processor instance, if any | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |     public function forgetProcessor() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |         $this->cacheRepository->forget(self::PROCESSOR_CACHE_KEY); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |      * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     public function getIntrospectionQueryResponse(): array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         return $this->getProcessor()->processPayload($this->getIntrospectionQuery())->getResponseData(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      * @return string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      * @throws FileNotFoundException | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 89 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 90 |  |  |     private function getIntrospectionQuery(): string | 
            
                                                                        
                            
            
                                    
            
            
                | 91 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 92 |  |  |         $path = resource_path(self::INTROSPECTION_QUERY_PATH); | 
            
                                                                        
                            
            
                                    
            
            
                | 93 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 94 |  |  |         if (!file_exists($path)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 95 |  |  |             throw new FileNotFoundException('Could not find introspection query file'); | 
            
                                                                        
                            
            
                                    
            
            
                | 96 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 97 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 98 |  |  |         return file_get_contents($path); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 100 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 101 |  |  |  |