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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /*  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This file is part of the Sonata package.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * (c) Thomas Rabaix <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * For the full copyright and license information, please view the LICENSE  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * file that was distributed with this source code.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Sonata\DoctrinePHPCRAdminBundle\Controller;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Doctrine\ODM\PHPCR\Translation\Translation;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use PHPCR\AccessDeniedException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use PHPCR\Util\PathHelper;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Sonata\AdminBundle\Admin\Admin;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Sonata\AdminBundle\Admin\AdminInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Sonata\AdminBundle\Admin\Pool;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Sonata\DoctrinePHPCRAdminBundle\Model\ModelManager;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\HttpFoundation\JsonResponse;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\HttpFoundation\Request;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\HttpFoundation\Response;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                class AutocompleteController  | 
            
            
                                                                        
                            
            
                                    
            
            
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                { | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @var \Sonata\AdminBundle\Admin\Pool  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    protected $pool;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param \Sonata\AdminBundle\Admin\Pool $pool  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct(Pool $pool)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->pool = $pool;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @param Request $request  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @return Response  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     * @throws AccessDeniedException  | 
            
            
                                                                        
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function autoCompleteAction(Request $request)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        /** @var Admin $admin */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $admin = $this->pool->getInstance($request->get('code')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $admin->setRequest($request);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        // check user permission  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (false === $admin->isGranted('LIST')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new AccessDeniedException();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        // subject will be empty to avoid unnecessary database requests and keep auto-complete function fast  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $admin->setSubject($admin->getNewInstance());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $fieldDescription = $this->retrieveFieldDescription($admin, $request->get('field')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $formAutocomplete = $admin->getForm()->get($fieldDescription->getName());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($formAutocomplete->getConfig()->getAttribute('disabled')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            throw new AccessDeniedException('Autocomplete list can`t be retrieved because the form element is disabled or read_only.'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $class              = $formAutocomplete->getConfig()->getOption('class'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $property           = $formAutocomplete->getConfig()->getAttribute('property'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $minimumInputLength = $formAutocomplete->getConfig()->getAttribute('minimum_input_length'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $itemsPerPage       = $formAutocomplete->getConfig()->getAttribute('items_per_page'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $reqParamPageNumber = $formAutocomplete->getConfig()->getAttribute('req_param_name_page_number'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $toStringCallback   = $formAutocomplete->getConfig()->getAttribute('to_string_callback'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $searchText = $request->get('q'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if (mb_strlen($searchText, 'UTF-8') < $minimumInputLength) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return new JsonResponse(array('status' => 'KO', 'message' => 'Too short search string.'), 403); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $page = $request->get($reqParamPageNumber);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $offset = ($page - 1) * $itemsPerPage;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        /** @var ModelManager $modelManager */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $modelManager = $formAutocomplete->getConfig()->getOption('model_manager'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $dm = $modelManager->getDocumentManager();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($class) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            /** @var $qb \Doctrine\ODM\PHPCR\Query\Builder\QueryBuilder */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $qb =  $dm->getRepository($class)->createQueryBuilder('a'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $qb->where()->fullTextSearch("a.$property", '*'.$searchText.'*'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $qb->setFirstResult($offset);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            //fetch one more to determine if there are more pages  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $qb->setMaxResults($itemsPerPage + 1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $query = $qb->getQuery();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $results = $query->execute();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            /** @var $qb \PHPCR\Util\QOM\QueryBuilder */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $qb = $dm->createPhpcrQueryBuilder();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            // TODO: node type should probably be configurable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $qb->from($qb->getQOMFactory()->selector('a', 'nt:unstructured')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $qb->where($qb->getQOMFactory()->fullTextSearch('a', $property, '*'.$searchText.'*')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            // handle attribute translation  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $qb->orWhere($qb->getQOMFactory()->fullTextSearch('a', $dm->getTranslationStrategy('attribute')->getTranslatedPropertyName($request->getLocale(), $property), '*'.$searchText.'*')); | 
            
                            
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                            $qb->setFirstResult($offset);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            //fetch one more to determine if there are more pages  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $qb->setMaxResults($itemsPerPage + 1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $results = $dm->getDocumentsByPhpcrQuery($qb->getQuery());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        //did we max out x+1  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $more = (count($results) == $itemsPerPage + 1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $method = $request->get('_method_name'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $items = array();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        foreach ($results as $path => $document) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            // handle child translation  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if (strpos(PathHelper::getNodeName($path), Translation::LOCALE_NAMESPACE.':') === 0) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                $document = $dm->find(null, PathHelper::getParentPath($path));  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if (!method_exists($document, $method)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                continue;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $label = $document->{$method}(); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            if ($toStringCallback !== null) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                if (!is_callable($toStringCallback)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                    throw new \RuntimeException('Option "to_string_callback" does not contain callable function.'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    131
                 | 
                                    
                                                     | 
                
                 | 
                                $label = call_user_func($toStringCallback, $document, $property);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    132
                 | 
                                    
                                                     | 
                
                 | 
                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    133
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    134
                 | 
                                    
                                                     | 
                
                 | 
                            $items[] = array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    135
                 | 
                                    
                                                     | 
                
                 | 
                                'id'    => $admin->id($document),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                                'label' => $label,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                            );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                        return new JsonResponse(array(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                            'status' => 'OK',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                            'more'   => $more,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                            'items'  => $items,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                        ));  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                     * Retrieve the field description given by field name.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                     * @param AdminInterface $admin  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                     * @param string         $field  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                     * @return \Symfony\Component\Form\FormInterface  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                     * @throws \RuntimeException  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                    private function retrieveFieldDescription(AdminInterface $admin, $field)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                        $admin->getFormFieldDescriptions();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                        $fieldDescription = $admin->getFormFieldDescription($field);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                        if (!$fieldDescription) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    164
                 | 
                                    
                                                     | 
                
                 | 
                            throw new \RuntimeException(sprintf('The field "%s" does not exist.', $field)); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    166
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    167
                 | 
                                    
                                                     | 
                
                 | 
                        if ($fieldDescription->getType() !== 'sonata_type_model_autocomplete') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    168
                 | 
                                    
                                                     | 
                
                 | 
                            throw new \RuntimeException(sprintf('Unsupported form type "%s" for field "%s".', $fieldDescription->getType(), $field)); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    169
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    170
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    171
                 | 
                                    
                                                     | 
                
                 | 
                        return $fieldDescription;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    172
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    173
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    174
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
Let’s take a look at an example:
In the above example, the authenticate() method works fine as long as you just pass instances of MyUser. However, if you now also want to pass a different implementation of User which does not have a getDisplayName() method, the code will break.
Available Fixes
Change the type-hint for the parameter:
Add an additional type-check:
Add the method to the interface: