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<?php |
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namespace AppBundle\Sync\Entity; |
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use AppBundle\Exception\FilterException; |
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use AppBundle\Sync\Entity\Filter\FilterInterface; |
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/** |
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* Collection of Files |
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* |
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* @author Sergey Sadovoi <[email protected]> |
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*/ |
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class FileCollection extends Collection |
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{ |
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/** |
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* @var array Index of files by uid |
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*/ |
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protected $index = []; |
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/** |
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* Adds file to the collection |
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* |
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* @param File $file |
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*/ |
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public function addFile(File $file) |
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{ |
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$this->add($file, $file->getPath()); |
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} |
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/** |
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* Filter the collection |
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* |
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* @param array $filters Array of Filter objects |
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* |
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* @throws FilterException |
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*/ |
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public function filter(array $filters) |
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{ |
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foreach ($this->items as $key => $item) { |
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foreach ($filters as $filter) { |
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if (!($filter instanceof FilterInterface)) { |
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$type = gettype($filter); |
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if ($type == 'object') { |
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$type = get_class($filter); |
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} |
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throw new FilterException(sprintf('Filter must be an instance of Filter class, %s given', $type)); |
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} |
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if (!$filter->valid($item)) { |
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$this->del($key); |
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break; |
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} |
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} |
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} |
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} |
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/** |
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* Add file and update index |
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* |
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* @param File $file |
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* @param string $key |
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*/ |
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public function add($file, $key = null) |
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{ |
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$this->addToIndex($file); |
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parent::add($file, $key); |
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} |
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/** |
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* Del file and update index |
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* |
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* @param string $key File key |
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*/ |
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public function del($key) |
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{ |
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$file = $this->get($key); |
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if (!is_null($file)) { |
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$this->deleteFromIndex($file); |
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} |
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parent::del($key); |
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} |
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/** |
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* Search the file using index |
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* |
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* @param string $uid Unique id of file |
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* |
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* @return null|File |
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*/ |
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public function getByUid($uid) |
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{ |
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if (!isset($this->index[$uid])) { |
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return null; |
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} |
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$files = $this->index[$uid]; |
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if (count($files) == 0) { |
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return null; |
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} |
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$key = array_pop($files); |
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return $this->get($key); |
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} |
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/** |
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* Add file to index for searching |
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* |
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* @param File $file |
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*/ |
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protected function addToIndex(File $file) |
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{ |
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$uid = $file->getUid(); |
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if (isset($this->index[$uid])) { |
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foreach ($this->index[$uid] as $path) { |
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if ($file->getPath() == $path) { |
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return; |
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} |
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} |
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} |
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$this->index[$uid][] = $file->getPath(); |
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} |
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/** |
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129
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* Delete file from index |
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* |
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* @param File $file |
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* |
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* @return bool |
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*/ |
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2 |
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protected function deleteFromIndex(File $file) |
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{ |
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if (!isset($this->index[$file->getUid()])) { |
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return true; |
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} |
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141
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// Remove element from index |
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$index =& $this->index[$file->getUid()]; |
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foreach ($index as $key => $path) { |
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if ($path == $file->getPath()) { |
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unset($index[$key]); |
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} |
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} |
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149
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// Remove empty index |
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if (count($index) == 0) { |
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unset($this->index[$file->getUid()]); |
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2 |
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} |
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2 |
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return true; |
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155
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} |
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156
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} |
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HopeUA /
dir-sync
