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<?php |
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/** |
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* @package File manager |
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* @author Iurii Makukh <[email protected]> |
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* @copyright Copyright (c) 2017, Iurii Makukh <[email protected]> |
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* @license https://www.gnu.org/licenses/gpl-3.0.en.html GPL-3.0+ |
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*/ |
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namespace gplcart\modules\file_manager\models; |
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use FilesystemIterator; |
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use gplcart\core\Hook; |
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use gplcart\core\Module; |
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use gplcart\modules\file_manager\helpers\Filter; |
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use LimitIterator; |
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/** |
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* Manages basic behaviors and data related to File manager module |
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*/ |
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class Scanner |
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{ |
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/** |
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* Hook class instance |
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* @var \gplcart\core\Hook $hook |
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*/ |
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protected $hook; |
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/** |
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* Module class instance |
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* @var \gplcart\core\Module $module |
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*/ |
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protected $module; |
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/** |
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* @param Hook $hook |
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* @param Module $module |
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*/ |
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public function __construct(Hook $hook, Module $module) |
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{ |
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$this->hook = $hook; |
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$this->module = $module; |
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} |
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/** |
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* Returns an array of scanned files or counts them |
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* @param string $directory |
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* @param array $options |
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* @return array|integer |
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*/ |
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public function scan($directory, array $options = array()) |
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{ |
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set_time_limit(0); |
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$options += array( |
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'sort' => null, |
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'order' => null, |
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'filter_key' => null, |
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'filter_value' => null |
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); |
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$result = null; |
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$this->hook->attach('module.file_manager.scan.before', $directory, $options, $result, $this); |
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if (isset($result)) { |
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return $result; |
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} |
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$filters = $this->getFilters(); |
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$iterator = new Filter(new FilesystemIterator($directory), $options, $filters); |
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if (!empty($options['count'])) { |
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return iterator_count($iterator); |
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} |
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if (!empty($options['limit'])) { |
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list($page, $limit) = $options['limit']; |
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$iterator = new LimitIterator($iterator, $page, $limit); |
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} |
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$result = iterator_to_array($iterator); |
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$this->sort($result, $options['sort'], $options['order']); |
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$this->hook->attach('module.file_manager.scan.after', $directory, $options, $result, $this); |
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return $result; |
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} |
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/** |
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* Sorts an array of files |
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* @param array $files |
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* @param string $sort |
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* @param string $order |
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*/ |
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protected function sort(array &$files, $sort, $order) |
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{ |
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$sorters = $this->getSorters(); |
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if (isset($sorters[$sort]['handlers']['sort'])) { |
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$function = $sorters[$sort]['handlers']['sort']; |
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// Suppress errors, see https://bugs.php.net/bug.php?id=50688 |
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@uasort($files, function ($a, $b) use ($function, $order) { |
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return $function($a, $b, $order); |
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}); |
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} |
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} |
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/** |
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* Returns an array of supported filters |
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* @return array |
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*/ |
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public function getFilters() |
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{ |
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$filters = &gplcart_static('module.file_manager.filter.list'); |
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if (isset($filters)) { |
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return $filters; |
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} |
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$filters = (array) gplcart_config_get(__DIR__ . '/../config/filters.php'); |
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$this->hook->attach('module.file_manager.filter.list', $filters, $this); |
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return $filters; |
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} |
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/** |
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* Returns an array of file sorters |
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* @return array |
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*/ |
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public function getSorters() |
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{ |
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$sorters = &gplcart_static('module.file_manager.sorter.list'); |
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if (isset($sorters)) { |
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return $sorters; |
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} |
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$sorters = (array) gplcart_config_get(__DIR__ . '/../config/sorters.php'); |
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$this->hook->attach('module.file_manager.sorter.list', $sorters, $this); |
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return $sorters; |
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} |
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/** |
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* Returns a string with initial path to scan files |
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* @param bool|null|string $absolute |
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* @return string |
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*/ |
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public function getInitialPath($absolute = false) |
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{ |
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$path = $this->module->getSettings('file_manager', 'initial_path'); |
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return $absolute ? gplcart_file_absolute($path) : $path; |
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} |
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} |
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gplcart /
file_manager
If you suppress an error, we recommend checking for the error condition explicitly: