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<?php |
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declare(strict_types = 1); |
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namespace Norsys\SeoBundle\DependencyInjection\Config; |
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/** |
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* Class ExtendFromDefaults |
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*/ |
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class ExtendFromDefaults |
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{ |
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/** |
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* @var array |
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*/ |
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private $defaults; |
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/** |
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* @param array $seoConfig |
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* @return array |
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*/ |
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public function __invoke(array $seoConfig) : array |
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{ |
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$this->defaults = $seoConfig['metas']['defaults']; |
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unset($seoConfig['metas']['defaults']); |
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$extendedMetaData = []; |
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foreach ($seoConfig['metas']['pages'] as $routeName => $metaTags) { |
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$extendedMetaData[$routeName] = $this->getExtendedData($metaTags); |
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} |
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$seoConfig['metas'] = [ |
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'defaults' => $this->defaults, |
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'pages' => $extendedMetaData, |
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]; |
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return $seoConfig; |
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} |
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/** |
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* Allow to identify an attribute universally based on its type: |
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* name, http-equiv, charset, property or itemprop |
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* This is useful for overriding defaults meta values when processing a route config |
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* |
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* @param array $attributes |
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*/ |
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private function buildUniqueMetaKey(array $attributes) : string |
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{ |
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$tagTypes = [ 'name', 'http-equiv', 'charset', 'itemprop', 'property' ]; |
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foreach ($tagTypes as $key) { |
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if (true === isset($attributes[$key])) { |
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// The "charset" meta has to be handled differently |
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if ($key === 'charset') { |
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return 'charset'; |
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} |
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return sprintf('%s:%s', $key, $attributes[$key]); |
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} |
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} |
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return ''; |
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} |
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/** |
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* @param array $routeData |
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* @return array |
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*/ |
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private function getExtendedData(array $routeData) : array |
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{ |
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$data = []; |
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// Fill basis meta data with defauls |
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foreach ($this->defaults as $attributes) { |
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// Determine which key to use for default value storing/overriding |
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$uniqueKey = $this->buildUniqueMetaKey($attributes); |
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$data[$uniqueKey] = $attributes; |
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} |
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// Override with route values |
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foreach ($routeData as $attributes) { |
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// Determine which key to use for default value storing/overriding |
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$uniqueKey = $this->buildUniqueMetaKey($attributes); |
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$data[$uniqueKey] = $attributes; |
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} |
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return $data; |
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} |
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} |
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norsys /
seo-bundle
