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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) 2019 (original work) Open Assessment Technologies SA; |
| 19 | * |
| 20 | */ |
| 21 | |
| 22 | namespace oat\taoResultServer\models\classes\OutcomeFileSystemStorage; |
| 23 | |
| 24 | class FilePathFactory |
| 25 | { |
| 26 | /** |
| 27 | * @param string $deliveryResultIdentifier |
| 28 | * |
| 29 | * @return string |
| 30 | */ |
| 31 | public function getFilePath($deliveryResultIdentifier) |
| 32 | { |
| 33 | return sprintf( |
| 34 | '%s/%s', |
| 35 | $this->getDirPath($deliveryResultIdentifier), |
| 36 | $this->buildIdentifier() |
| 37 | ); |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * @param string $deliveryResultIdentifier |
| 42 | * |
| 43 | * @return string |
| 44 | */ |
| 45 | public function getDirPath($deliveryResultIdentifier) |
| 46 | { |
| 47 | $path = md5($deliveryResultIdentifier); |
| 48 | |
| 49 | $slashPosition = 1; |
| 50 | for ($i = 1; $i < 4; $i++) { |
| 51 | $path = substr_replace($path, '/', $slashPosition, 0); |
| 52 | $slashPosition += 2; |
| 53 | } |
| 54 | |
| 55 | return $path; |
| 56 | } |
| 57 | |
| 58 | private function buildIdentifier() |
| 59 | { |
| 60 | return md5(uniqid('', true) . mt_rand(0, 10000)); |
| 61 | } |
| 62 | } |