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<?php |
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namespace HumanDirect\Socially; |
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use HumanDirect\Socially\Normalizer\DefaultNormalizer; |
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use HumanDirect\Socially\Normalizer\NormalizerInterface; |
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/** |
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* Class Parser. |
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*/ |
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class Parser implements ParserInterface |
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{ |
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/** |
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* @var NormalizerInterface[] |
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*/ |
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private $normalizers; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function parse(string $url): ResultInterface |
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{ |
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if (!$this->isSocialMediaProfile($url)) { |
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throw new NotSupportedException('Supplied URL is not a social media profile URL.'); |
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} |
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return Result::createFromUrl($url); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function normalize(string $url): string |
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{ |
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if (null === $this->normalizers) { |
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$this->loadNormalizers(); |
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} |
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try { |
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$platform = $this->identifyPlatform($url); |
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} catch (NotSupportedException | \Exception $e) { |
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return $url; |
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} |
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$normalizer = $this->getNormalizer($platform); |
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return $normalizer->normalize($url); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isSocialMediaProfile(string $url): bool |
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{ |
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if (!Util::isValidUrl($url)) { |
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return false; |
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} |
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try { |
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$this->identifyPlatform($url); |
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} catch (NotSupportedException | \Exception $e) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function identifyPlatform(string $url): string |
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{ |
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foreach (self::SOCIAL_MEDIA_PATTERNS as $platform => $regex) { |
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foreach ($regex as $prefix => $pattern) { |
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if (preg_match('#' . $pattern . '#i', rawurldecode($url))) { |
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return \is_string($prefix) ? sprintf('%s.%s', $platform, $prefix) : $platform; |
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} |
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} |
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} |
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throw new NotSupportedException('Could not identify platform for URL.'); |
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} |
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/** |
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* Load normalizers. |
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*/ |
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private function loadNormalizers(): void |
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{ |
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$normalizerNS = '\\HumanDirect\\Socially\\Normalizer\\'; |
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$directory = new \RecursiveDirectoryIterator( |
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__DIR__ . '/Normalizer', |
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\RecursiveDirectoryIterator::SKIP_DOTS |
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); |
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$files = new \RecursiveCallbackFilterIterator($directory, function ($current, $key, $iterator) use ($normalizerNS) { |
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$className = str_replace('.php', '', $current->getFilename()); |
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$isNormalizer = 'Normalizer' === substr($className, -10); |
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if (!$isNormalizer || $current->isDir() || $iterator->hasChildren()) { |
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return false; |
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} |
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$r = new \ReflectionClass($normalizerNS . $className); |
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return $r->isInstantiable(); |
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}); |
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foreach ($files as $file) { |
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$className = $normalizerNS . str_replace('.php', '', $file->getFilename()); |
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$this->normalizers[] = new $className(); |
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} |
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} |
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/** |
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* Get a normalizer for a specific platform or a default normalizer. |
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* |
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* @param string $platform |
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* |
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* @return NormalizerInterface |
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*/ |
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private function getNormalizer(string $platform): NormalizerInterface |
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{ |
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foreach ($this->normalizers as $normalizer) { |
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if ($normalizer->supports($platform)) { |
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return $normalizer; |
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} |
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} |
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return new DefaultNormalizer(); |
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} |
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} |
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balazscsaba2006 /
socially
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