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<?php |
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namespace AppBundle\Repository; |
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use Symfony\Component\Finder\Finder; |
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use AppBundle\Entity\Post; |
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use Mni\FrontYAML\Parser; |
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class PostRepository |
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{ |
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/** |
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* PostRepository constructor. |
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* |
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* @param string $kernelRootDir |
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*/ |
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public function __construct($kernelRootDir) |
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{ |
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$this->path = $kernelRootDir; |
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} |
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public function findAll() |
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{ |
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$finder = new Finder(); |
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$finder->files()->in($this->path.'/Resources/content/blog'); |
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$finder->files()->name('*.md'); |
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$finder->sort(function ($a, $b) { return strcmp($b->getRealpath(), $a->getRealpath()); }); |
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$posts = []; |
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foreach ($finder as $file) { |
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$post = $this->getPostByFile($file->getRealPath()); |
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$posts[] = $post; |
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} |
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return $posts; |
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} |
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/** |
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* Find one Post by parameters. |
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* |
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* @param array $params Search parameters. |
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* @return null|Post |
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*/ |
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public function findOneBy(array $params) { |
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$finder = new Finder(); |
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$fileName = $params['year'].'-'.$params['month'].'-'.$params['day'].($params['num'] === 0 ? '' : '-'.$params['num']).'.md'; |
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$finder->files()->in($this->path.'/Resources/content/blog')->name($fileName); |
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$iterator = $finder->getIterator(); |
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$iterator->rewind(); |
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$file = $iterator->current(); |
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$post = $this->getPostByFile($file->getRealPath()); |
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if ($finder->count() == 0 || $params['slug'] != $post->getSlug()) { |
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return null; |
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} |
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return $post; |
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} |
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/** |
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* Find limited latest posts. |
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* |
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* @param int $limit |
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* @return null|array |
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*/ |
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public function findLatest($limit = 10) |
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{ |
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$finder = new Finder(); |
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$finder->files()->in($this->path.'/Resources/content/blog'); |
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$finder->files()->name('*.md'); |
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$finder->sort(function ($a, $b) { return strcmp($b->getRealpath(), $a->getRealpath()); }); |
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$posts = []; |
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foreach (new \LimitIterator($finder->getIterator(), 0, $limit) as $file) { |
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$post = $this->getPostByFile($file->getRealPath()); |
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$posts[] = $post; |
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} |
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return $posts; |
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} |
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/** |
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* @param string $file |
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* @return Post|null |
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*/ |
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public function getPostByFile($file) |
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{ |
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if (!file_exists($file)) { |
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return null; |
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} |
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$parser = new Parser(); |
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$document = $parser->parse(file_get_contents($file)); |
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$post = new Post(); |
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$post->setTitle($document->getYaml()['title']); |
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$post->setReadTime($document->getYaml()['read_time']); |
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$post->setIntro($document->getYaml()['intro']); |
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$post->setCreated(substr(basename($file), 10)); |
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$post->setUpdated($document->getYAML()['updated']); |
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$post->setNum(substr(basename($file), 11, -3)); |
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$post->setSlug($document->getYaml()['slug']); |
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$post->setContent($document->getContent()); |
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return $post; |
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} |
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} |
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symfony-si /
symfony.si
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: