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<?php |
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/** |
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* |
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* part-db version 0.1 |
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* Copyright (C) 2005 Christoph Lechner |
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* http://www.cl-projects.de/ |
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* |
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* part-db version 0.2+ |
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* Copyright (C) 2009 K. Jacobs and others (see authors.php) |
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* http://code.google.com/p/part-db/ |
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* |
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* Part-DB Version 0.4+ |
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* Copyright (C) 2016 - 2019 Jan Böhmer |
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* https://github.com/jbtronics |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
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* |
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*/ |
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namespace App\Services; |
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use App\Entity\Attachments\Attachment; |
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use App\Services\Attachments\AttachmentPathResolver; |
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use Symfony\Component\Finder\Finder; |
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use Symfony\Component\HttpKernel\KernelInterface; |
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use Symfony\Component\OptionsResolver\OptionsResolver; |
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use Symfony\Contracts\Cache\CacheInterface; |
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/** |
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* This service is used to find builtin attachment ressources |
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* @package App\Services |
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*/ |
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class BuiltinAttachmentsFinder |
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{ |
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protected $pathResolver; |
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protected $cache; |
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public function __construct(CacheInterface $cache, AttachmentPathResolver $pathResolver) |
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{ |
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$this->pathResolver = $pathResolver; |
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$this->cache = $cache; |
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} |
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protected function configureOptions(OptionsResolver $resolver) |
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{ |
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$resolver->setDefaults([ |
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'limit' => 15, //Given only 15 entries |
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//'allowed_extensions' => [], //Filter the filenames. For example ['jpg', 'jpeg'] to only get jpegs. |
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//'placeholders' => Attachment::BUILTIN_PLACEHOLDER, //By default use all builtin ressources, |
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'empty_returns_all' => false //Return the whole list of ressources when empty keyword is given |
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]); |
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} |
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/** |
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* Returns a list of all builtin ressources. |
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* The array is a list of the relative filenames using the %PLACEHOLDERS%. |
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* The list contains the files from all configured valid ressoureces. |
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* @return array The list of the ressources, or an empty array if an error happened. |
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*/ |
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public function getListOfRessources() : array |
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{ |
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try { |
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return $this->cache->get('attachment_builtin_ressources', function () { |
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$results = []; |
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$finder = new Finder(); |
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//We search only files |
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$finder->files(); |
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//Add the folder for each placeholder |
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foreach (Attachment::BUILTIN_PLACEHOLDER as $placeholder) { |
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$tmp = $this->pathResolver->placeholderToRealPath($placeholder); |
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//Ignore invalid/deactivated placeholders: |
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if ($tmp !== null) { |
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$finder->in($tmp); |
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} |
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} |
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foreach ($finder as $file) { |
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$results[] = $this->pathResolver->realPathToPlaceholder($file->getPathname()); |
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} |
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//Sort results ascending |
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sort($results); |
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return $results; |
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}); |
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} catch (\Psr\Cache\InvalidArgumentException $ex) { |
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return []; |
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} |
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} |
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/** |
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* Find all ressources which are matching the given keyword and the specified options |
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* @param string $keyword The keyword you want to search for. |
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* @param array $options Here you can specify some options (see configureOptions for list of options) |
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* @param array|null $base_list The list from which should be used as base for filtering. |
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* @return array The list of the results matching the specified keyword and options |
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*/ |
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public function find(string $keyword, array $options = [], ?array $base_list = []) : array |
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{ |
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if (empty($base_list)) { |
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$base_list = $this->getListOfRessources(); |
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} |
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$resolver = new OptionsResolver(); |
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$this->configureOptions($resolver); |
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$options = $resolver->resolve($options); |
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/* |
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if (empty($options['placeholders'])) { |
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return []; |
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} */ |
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if ($keyword === '') { |
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if ($options['empty_returns_all']) { |
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$keyword = '.*'; |
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} else { |
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return []; |
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} |
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} else { |
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//Quote all values in the keyword (user is not allowed to use regex characters) |
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$keyword = preg_quote($keyword, '/'); |
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} |
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/*TODO: Implement placheolder and extension filter */ |
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/* if (!empty($options['allowed_extensions'])) { |
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$keyword .= "\.("; |
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foreach ($options['allowed_extensions'] as $extension) { |
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$keyword .= preg_quote($extension, '/') . '|'; |
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} |
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$keyword .= ')$'; |
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} */ |
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//Ignore case |
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$regex = '/.*' . $keyword . '.*/i'; |
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return preg_grep($regex, $base_list); |
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} |
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} |
Part-DB /
Part-DB-symfony
