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<?php |
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namespace SilverStripe\StaticPublishQueue\Service; |
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use SilverStripe\Core\Extensible; |
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use SilverStripe\Core\Injector\Injectable; |
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use SilverStripe\Core\Injector\Injector; |
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use SilverStripe\ORM\DataObject; |
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use SilverStripe\StaticPublishQueue\Job; |
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/** |
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* Class UrlBundleService |
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* |
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* This service is responsible for bundling URLs which to static cache jobs |
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* Several extension points are available to allow further customisation |
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*/ |
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class UrlBundleService implements UrlBundleInterface |
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{ |
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use Extensible; |
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use Injectable; |
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/** |
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* @var array |
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*/ |
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protected $urls = []; |
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/** |
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* @inheritDoc |
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*/ |
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public function addUrls(array $urls): void |
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{ |
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foreach ($urls as $url) { |
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$this->urls[$url] = $url; |
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} |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getJobsForUrls(string $jobClass, ?string $message = null, ?DataObject $contextModel = null): array |
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{ |
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$singleton = singleton($jobClass); |
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if (!$singleton instanceof Job) { |
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return []; |
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} |
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$urls = $this->getUrls(); |
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$urlsPerJob = $singleton->getUrlsPerJob(); |
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$batches = $urlsPerJob > 0 ? array_chunk($urls, $urlsPerJob) : [$urls]; |
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$jobs = []; |
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foreach ($batches as $urlBatch) { |
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$priorityUrls = $this->assignPriorityToUrls($urlBatch); |
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/** @var Job $job */ |
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$job = Injector::inst()->create($jobClass); |
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$job->hydrate($priorityUrls, $message); |
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// Use this extension point to inject some additional data into the job |
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$this->extend('updateHydratedJob', $job, $contextModel); |
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$jobs[] = $job; |
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} |
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return $jobs; |
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} |
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/** |
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* Get URLs for further processing |
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* |
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* @return array |
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*/ |
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protected function getUrls(): array |
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{ |
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$urls = []; |
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foreach ($this->urls as $url) { |
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$url = $this->formatUrl($url); |
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if (!$url) { |
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continue; |
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} |
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$urls[] = $url; |
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} |
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$urls = array_unique($urls); |
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// Use this extension point to change the order of the URLs if needed |
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$this->extend('updateGetUrls', $urls); |
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return $urls; |
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} |
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/** |
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* Extensibility function which allows to handle custom formatting / encoding needs for URLs |
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* Returning "falsy" value will make the URL to be skipped |
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* |
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* @param string $url |
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* @return string|null |
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*/ |
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protected function formatUrl(string $url): ?string |
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{ |
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// Use this extension point to reformat URLs, for example encode special characters |
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$this->extend('updateFormatUrl', $url); |
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return $url; |
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} |
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/** |
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* Add priority data to URLs |
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* |
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* @param array $urls |
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* @return array |
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*/ |
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protected function assignPriorityToUrls(array $urls): array |
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{ |
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$priority = 0; |
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$priorityUrls = []; |
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foreach ($urls as $url) { |
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$priorityUrls[$url] = $priority; |
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$priority += 1; |
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} |
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return $priorityUrls; |
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} |
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} |
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silverstripe /
silverstripe-staticpublishqueue
