| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * This file is part of the Superdesk Web Publisher Content Bundle. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * Copyright 2015 Sourcefabric z.u. and contributors. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * For the full copyright and license information, please see the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  * AUTHORS and LICENSE files distributed with this source code. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * @copyright 2015 Sourcefabric z.ú | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * @license http://www.superdesk.org/license | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | namespace SWP\Bundle\ContentBundle\Loader; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use PHPCR\Query\QueryInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use SWP\Bundle\ContentBundle\Doctrine\ODM\PHPCR\ArticleInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | use SWP\Component\TemplatesSystem\Gimme\Context\Context; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | use SWP\Component\TemplatesSystem\Gimme\Factory\MetaFactoryInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | use SWP\Component\TemplatesSystem\Gimme\Loader\LoaderInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | use SWP\Component\TemplatesSystem\Gimme\Meta\Meta; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | use SWP\Component\TemplatesSystem\Gimme\Meta\MetaCollection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | use Doctrine\ODM\PHPCR\DocumentManager; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | use SWP\Component\MultiTenancy\PathBuilder\TenantAwarePathBuilderInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  * Class ArticleLoader. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | class ArticleLoader implements LoaderInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      * @var DocumentManager | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     protected $dm; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |      * @var TenantAwarePathBuilderInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     protected $pathBuilder; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |      * @var string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |     protected $routeBasepaths; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * @var MetaFactoryInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |     protected $metaFactory; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |      * @var Context | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     protected $context; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |      * ArticleLoader constructor. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      * @param DocumentManager                 $dm | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      * @param TenantAwarePathBuilderInterface $pathBuilder | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * @param string                          $routeBasepaths | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * @param MetaFactoryInterface            $metaFactory | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      * @param Context                         $context | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 65 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 66 | 95 |  |     public function __construct( | 
            
                                                                        
                            
            
                                    
            
            
                | 67 |  |  |         DocumentManager $dm, | 
            
                                                                        
                            
            
                                    
            
            
                | 68 |  |  |         TenantAwarePathBuilderInterface $pathBuilder, | 
            
                                                                        
                            
            
                                    
            
            
                | 69 |  |  |         $routeBasepaths, | 
            
                                                                        
                            
            
                                    
            
            
                | 70 |  |  |         MetaFactoryInterface $metaFactory, | 
            
                                                                        
                            
            
                                    
            
            
                | 71 |  |  |         Context $context | 
            
                                                                        
                            
            
                                    
            
            
                | 72 |  |  |     ) { | 
            
                                                                        
                            
            
                                    
            
            
                | 73 | 95 |  |         $this->dm = $dm; | 
            
                                                                        
                            
            
                                    
            
            
                | 74 | 95 |  |         $this->pathBuilder = $pathBuilder; | 
            
                                                                        
                            
            
                                    
            
            
                | 75 | 95 |  |         $this->routeBasepaths = $routeBasepaths; | 
            
                                                                        
                            
            
                                    
            
            
                | 76 | 95 |  |         $this->metaFactory = $metaFactory; | 
            
                                                                        
                            
            
                                    
            
            
                | 77 | 95 |  |         $this->context = $context; | 
            
                                                                        
                            
            
                                    
            
            
                | 78 | 95 |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |      * Load meta object by provided type and parameters. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |      * @MetaLoaderDoc( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |      *     description="Article Loader loads articles from Content Repository", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |      *     parameters={ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      *         contentPath="SINGLE|required content path", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      *         slug="SINGLE|required content slug", | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |      *         pageName="COLLECTiON|name of Page for required articles" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      *     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |      * ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |      * @param string $type         object type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |      * @param array  $parameters   parameters needed to load required object type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      * @param int    $responseType response type: single meta (LoaderInterface::SINGLE) or collection of metas (LoaderInterface::COLLECTION) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * @return Meta|Meta[]|bool false if meta cannot be loaded, a Meta instance otherwise | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |      * @throws \Exception | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 | 18 |  |     public function load($type, $parameters = [], $responseType = LoaderInterface::SINGLE) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 | 18 |  |         $article = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 | 18 |  |         if ($responseType === LoaderInterface::SINGLE) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 | 14 |  |             if (array_key_exists('contentPath', $parameters)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 | 3 |  |                 $article = $this->dm->find('SWP\Bundle\ContentBundle\Doctrine\ODM\PHPCR\Article', $parameters['contentPath']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 | 3 |  |                 if (null !== $article && !$article->isPublished()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 | 3 |  |                     $article = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 | 11 |  |             } elseif (array_key_exists('article', $parameters)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |                 $this->dm->detach($parameters['article']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |                 $article = $this->dm->find('SWP\Bundle\ContentBundle\Doctrine\ODM\PHPCR\Article', $parameters['article']->getId()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |                 if (null !== $article && !$article->isPublished()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |                     $article = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 | 11 |  |             } elseif (array_key_exists('slug', $parameters)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 | 11 |  |                 $article = $this->dm->getRepository('SWP\Bundle\ContentBundle\Doctrine\ODM\PHPCR\Article')->findOneBy([ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 | 11 |  |                     'slug' => $parameters['slug'], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 | 11 |  |                     'status' => ArticleInterface::STATUS_PUBLISHED, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |                 ]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 | 14 |  |             return $this->getArticleMeta($article); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 | 6 |  |         } elseif ($responseType === LoaderInterface::COLLECTION) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 | 6 |  |             $route = null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 | 6 |  |             if (array_key_exists('route', $parameters)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 | 6 |  |                 $route = $this->dm->find(null, $this->pathBuilder->build($this->routeBasepaths[0].$parameters['route'])); | 
                            
                    |  |  |  | 
                                                                                        
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                | 128 | 3 |  |             } elseif (null !== ($currentPage = $this->context->getCurrentPage())) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 | 2 |  |                 $route = $currentPage->getValues(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 | 6 |  |             if (null !== $route && is_object($route)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 | 6 |  |                 $identifier = $this->dm->getNodeForDocument($route)->getIdentifier(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 | 6 |  |                 $query = $this->dm->createPhpcrQuery($this->getQueryString($identifier, $parameters), QueryInterface::JCR_SQL2); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 | 5 |  |                 $countQuery = clone $query; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 | 5 |  |                 if (isset($parameters['limit'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 | 1 |  |                     $query->setLimit($parameters['limit']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 | 5 |  |                 if (isset($parameters['start'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 | 1 |  |                     $query->setOffset($parameters['start']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 | 5 |  |                 $articles = $this->dm->getDocumentsByPhpcrQuery($query); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 | 5 |  |                 $metaCollection = new MetaCollection(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 | 5 |  |                 $metaCollection->setTotalItemsCount($countQuery->execute()->getRows()->count()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 | 5 |  |                 foreach ($articles as $article) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 | 5 |  |                     $articleMeta = $this->getArticleMeta($article); | 
                            
                    |  |  |  | 
                                                                                        
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                | 150 | 5 |  |                     if ($articleMeta) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 | 5 |  |                         $metaCollection->add($articleMeta); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |                     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 | 5 |  |                 return $metaCollection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 | 1 |  |         return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |      * Checks if Loader supports provided type. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |      * @param string $type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |      * @return bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 | 17 |  |     public function isSupported($type) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 | 17 |  |         return in_array($type, ['articles', 'article']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 | 17 |  |     private function getArticleMeta($article) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 | 17 |  |         if (!is_null($article)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 | 15 |  |             return $this->metaFactory->create($article); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 | 4 |  |         return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 | 6 |  |     private function getQueryString($identifier, $parameters) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 | 6 |  |         $queryStr = sprintf("SELECT * FROM [nt:unstructured] as S WHERE S.phpcr:class='SWP\Bundle\ContentBundle\Doctrine\ODM\PHPCR\Article' AND S.route=%s AND S.status=published", $identifier); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 | 6 |  |         if (isset($parameters['order'])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 | 3 |  |             $order = $parameters['order']; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 | 3 |  |             if (!is_array($order) || count($order) !== 2 || (strtoupper($order[1]) != 'ASC' && strtoupper($order[1]) != 'DESC')) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |                 throw new \Exception('Order filter must have two parameters with second one asc or desc, e.g. order(id, desc)'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 | 3 |  |             if ($order[0] === 'id') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 | 1 |  |                 $order[0] = 'jcr:uuid'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |             } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |                 // Check that the given parameter is actually a field name of a route | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 | 2 |  |                 $metaData = $this->dm->getClassMetadata('SWP\Bundle\ContentBundle\Doctrine\ODM\PHPCR\Article'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 | 2 |  |                 if (!in_array($order[0], $metaData->getFieldNames())) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 | 1 |  |                     throw new \Exception('Order parameter must be id or the name of one of the fields in the route class'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 | 2 |  |             $queryStr .= sprintf(' ORDER BY S.%s %s', $order[0], $order[1]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 | 5 |  |         return $queryStr; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 205 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 206 |  |  |  | 
            
                        
This check looks at variables that are passed out again to other methods.
If the outgoing method call has stricter type requirements than the method itself, an issue is raised.
An additional type check may prevent trouble.