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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2015-2020 (original work) Open Assessment Technologies SA |
| 19 | * |
| 20 | */ |
| 21 | |
| 22 | namespace oat\generis\model\kernel\persistence\file; |
| 23 | |
| 24 | use EasyRdf\Format; |
| 25 | use EasyRdf\Graph; |
| 26 | use oat\generis\model\data\Model; |
| 27 | use common_exception_MissingParameter; |
| 28 | use common_exception_Error; |
| 29 | use core_kernel_persistence_smoothsql_SmoothModel as SmoothModel; |
| 30 | |
| 31 | /** |
| 32 | * transitory model for the smooth sql implementation |
| 33 | * |
| 34 | * @author joel bout <joel@taotesting.com> |
| 35 | * @package generis |
| 36 | */ |
| 37 | class FileModel implements Model |
| 38 | { |
| 39 | /** |
| 40 | * Path to the rdf file |
| 41 | * |
| 42 | * @var string |
| 43 | */ |
| 44 | private $file; |
| 45 | |
| 46 | public static function fromFile($filePath) |
| 47 | { |
| 48 | return new self(['file' => $filePath]); |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * @throws \EasyRdf\Exception |
| 53 | */ |
| 54 | public static function toFile($filePath, $triples) |
| 55 | { |
| 56 | $graph = new Graph(); |
| 57 | foreach ($triples as $triple) { |
| 58 | if (!empty($triple->lg)) { |
| 59 | $graph->addLiteral($triple->subject, $triple->predicate, $triple->object, $triple->lg); |
| 60 | } elseif (\common_Utils::isUri($triple->object)) { |
| 61 | $graph->addResource($triple->subject, $triple->predicate, $triple->object); |
| 62 | } else { |
| 63 | $graph->addLiteral($triple->subject, $triple->predicate, $triple->object); |
| 64 | } |
| 65 | } |
| 66 | $format = Format::getFormat('rdfxml'); |
| 67 | return file_put_contents($filePath, $graph->serialise($format)); |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Constructor of the smooth model, expects a persistence in the configuration |
| 72 | * |
| 73 | * @param array $configuration |
| 74 | * @throws common_exception_MissingParameter |
| 75 | */ |
| 76 | public function __construct($options = []) |
| 77 | { |
| 78 | if (!isset($options['file'])) { |
| 79 | throw new common_exception_MissingParameter('file', __CLASS__); |
| 80 | } |
| 81 | $this->file = $options['file']; |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * (non-PHPdoc) |
| 86 | * @see \oat\generis\model\data\Model::getConfig() |
| 87 | */ |
| 88 | public function getOptions() |
| 89 | { |
| 90 | return [ |
| 91 | 'file' => $this->file |
| 92 | ]; |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * (non-PHPdoc) |
| 97 | * @see \oat\generis\model\data\Model::getRdfInterface() |
| 98 | */ |
| 99 | public function getRdfInterface() |
| 100 | { |
| 101 | return new FileRdf($this->file); |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * (non-PHPdoc) |
| 106 | * @see \oat\generis\model\data\Model::getRdfsInterface() |
| 107 | */ |
| 108 | public function getRdfsInterface() |
| 109 | { |
| 110 | throw new \common_exception_NoImplementation('Rdfs interface not implemented for ' . __CLASS__); |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * (non-PHPdoc) |
| 115 | * @see \oat\generis\model\data\Model::getSearchInterface() |
| 116 | */ |
| 117 | public function getSearchInterface() |
| 118 | { |
| 119 | throw new \common_exception_NoImplementation('Rdfs interface not implemented for ' . __CLASS__); |
| 120 | } |
| 121 | |
| 122 | // helper |
| 123 | |
| 124 | /** |
| 125 | * @deprecated |
| 126 | * |
| 127 | * @param string $file |
| 128 | * @throws common_exception_Error |
| 129 | */ |
| 130 | public static function getModelIdFromXml($file) |
| 131 | { |
| 132 | return SmoothModel::DEFAULT_READ_ONLY_MODEL; |
| 133 | } |
| 134 | } |