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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) 2017 (original work) Open Assessment Technologies SA |
| 19 | * |
| 20 | */ |
| 21 | |
| 22 | namespace oat\taoLti\models\classes; |
| 23 | |
| 24 | use oat\oatbox\filesystem\FileSystem; |
| 25 | use oat\oatbox\filesystem\FileSystemService; |
| 26 | use oat\tao\model\mvc\error\ExceptionInterpretor; |
| 27 | use oat\tao\model\mvc\error\ResponseInterface; |
| 28 | |
| 29 | /** |
| 30 | * Class ExceptionInterpreter |
| 31 | * @package oat\taoLti\models\classes |
| 32 | * @author Aleh Hutnikau, <hutnikau@1pt.com> |
| 33 | */ |
| 34 | class ExceptionInterpreter extends ExceptionInterpretor |
| 35 | { |
| 36 | public const FILESYSTEM_ID_TO_LOG = 'log'; |
| 37 | |
| 38 | /** |
| 39 | * @var LtiException |
| 40 | */ |
| 41 | protected $exception; |
| 42 | |
| 43 | /** |
| 44 | * set exception to interpet |
| 45 | * @param \Exception $exception |
| 46 | * @return ExceptionInterpretor |
| 47 | */ |
| 48 | public function setException(\Exception $exception) |
| 49 | { |
| 50 | parent::setException($exception); |
| 51 | return $this; |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * return an instance of ResponseInterface |
| 56 | * @return ResponseInterface |
| 57 | */ |
| 58 | public function getResponse() |
| 59 | { |
| 60 | $this->log((string) $this->exception); |
| 61 | |
| 62 | $response = new LtiReturnResponse(new \Renderer()); |
| 63 | $response->setServiceLocator($this->getServiceLocator()); |
| 64 | $response->setException($this->exception); |
| 65 | |
| 66 | return $response; |
| 67 | } |
| 68 | |
| 69 | private function log($msg) |
| 70 | { |
| 71 | if (!$this->exception instanceof LtiException) { |
| 72 | return; |
| 73 | } |
| 74 | |
| 75 | /** @var FileSystem $fs */ |
| 76 | $fs = $this->getServiceLocator() |
| 77 | ->get(FileSystemService::SERVICE_ID) |
| 78 | ->getFileSystem(self::FILESYSTEM_ID_TO_LOG); |
| 79 | |
| 80 | $fs->write('lti_' . $this->exception->getKey() . '.log', $msg); |
| 81 | } |
| 82 | } |