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<?php |
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namespace Matks\MarkdownBlogBundle\Blog\Register; |
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use Matks\MarkdownBlogBundle\Blog\Post; |
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use Symfony\Component\Yaml\Yaml; |
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class YamlLibraryRegister implements LibraryRegisterInterface |
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{ |
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/** |
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* @var RegisterEntry[] |
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*/ |
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private $entries = []; |
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/** |
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* @param string $registerFilepath |
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*/ |
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public function __construct($registerFilepath) |
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{ |
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$this->validateRegisterFilepath($registerFilepath); |
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$registerContent = Yaml::parse(file_get_contents(realpath($registerFilepath))); |
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$this->parseRegisterContent($registerContent); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isRegistered($name) |
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{ |
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return (true === isset($this->entries[$name])); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getEntry($name) |
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{ |
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if (false === $this->entries[$name]) { |
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return; |
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} |
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return $this->entries[$name]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getAllEntries() |
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{ |
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return $this->entries; |
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} |
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/** |
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* @param string $registerFilepath |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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private function validateRegisterFilepath($registerFilepath) |
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{ |
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if (false === file_exists($registerFilepath)) { |
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throw new \InvalidArgumentException("File $registerFilepath does not exist"); |
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} |
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$yamlPattern = '#' . '(.*)\.yml$' . '#'; |
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$isAYamlFile = preg_match($yamlPattern, $registerFilepath); |
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if (false === $isAYamlFile) { |
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throw new \InvalidArgumentException("File $registerFilepath is not a YAML file"); |
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} |
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} |
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private function parseRegisterContent($registerContent) |
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{ |
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$moreThanOneKey = (count($registerContent) !== 1); |
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$uniqueKeyDifferentFromRegister = (false === array_key_exists('library_entries', $registerContent)); |
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if ($moreThanOneKey || $uniqueKeyDifferentFromRegister) { |
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throw new \RuntimeException("Yaml library register file is not valid, expects a single node 'library_entries'"); |
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} |
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$entries = $registerContent['library_entries']; |
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foreach ($entries as $postName => $entry) { |
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$publishDate = null; |
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$category = null; |
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$tags = []; |
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$alias = null; |
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$url = null; |
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$blogType = Post::TYPE_STANDARD; |
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if (isset($entry['date'])) { |
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$publishDate = $entry['date']; |
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} |
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if (isset($entry['category'])) { |
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$category = $entry['category']; |
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} |
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if (isset($entry['tags'])) { |
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$tags = $entry['tags']; |
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} |
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if (isset($entry['alias'])) { |
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$alias = $entry['alias']; |
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} |
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if (isset($entry['external'])) { |
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$url = $entry['external']; |
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$blogType = Post::TYPE_EXTERNAL; |
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} |
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$registerEntry = new RegisterEntry($postName, $publishDate, $category, $tags, $alias, $blogType, $url); |
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$this->entries[$postName] = $registerEntry; |
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} |
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} |
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} |
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matks /
MarkdownBlogBundle
