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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                declare(strict_types=1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Thinktomorrow\Chief\System\Sitemap;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use GuzzleHttp\Pool;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use GuzzleHttp\Client;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Spatie\Sitemap\Sitemap;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use GuzzleHttp\Psr7\Request;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use GuzzleHttp\Psr7\Response;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Illuminate\Support\Collection;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Thinktomorrow\Chief\Urls\UrlRecord;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use GuzzleHttp\Exception\RequestException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Thinktomorrow\Chief\Urls\ProvidesUrl\ProvidesUrl;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class SitemapXml  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var Sitemap */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $sitemap;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var Client */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $httpClient;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var Collection */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $urls;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct(Sitemap $sitemap, Client $httpClient)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->sitemap = $sitemap;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->httpClient = $httpClient;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->urls = collect();  | 
            
                            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function generate(string $locale): string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->prepareOnlineUrls($locale);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->rejectNonVisitableUrls($locale);  | 
            
                            
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                        return $this->generateXml();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function generateXml(): string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        foreach($this->urls as $url) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $this->sitemap->add($url);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->sitemap->render();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function prepareOnlineUrls(string $locale): void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $models = UrlRecord::allOnlineModels($locale);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->urls = $models->map(function(ProvidesUrl $model) use($locale){ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            return $model->url($locale);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        });  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    private function rejectNonVisitableUrls()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $pool = new Pool($this->httpClient, $this->crawlableUrlGenerator(), [  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            'concurrency' => 5,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            'fulfilled' => function (Response $response, $index) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                if($response->getStatusCode() !== \Symfony\Component\HttpFoundation\Response::HTTP_OK){ | 
            
            
                                                                        
                            
            
                                    
            
            
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                                    unset($this->urls[$index]);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            },  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            'rejected' => function (RequestException $reason, $index) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            trap($reason);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                                unset($this->urls[$index]);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            },  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        ]);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        // Initiate the transfers and create a promise  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $promise = $pool->promise();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        // Force the pool of requests to complete.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $promise->wait();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private function crawlableUrlGenerator(): \Generator  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        foreach($this->urls as $index => $url){ | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            yield $index => new Request('GET', $url); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..