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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * as published by the Free Software Foundation; under version 2 |
| 9 | * of the License (non-upgradable). |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 19 | * |
| 20 | * Copyright (c) 2013 (original work) Open Assessment Technologies S.A. |
| 21 | * |
| 22 | * @author "Patrick Plichart, <patrick@taotesting.com>" |
| 23 | * |
| 24 | * An Assessment Result is used to report the results of a candidate's interaction |
| 25 | * with a test and/or one or more items attempted. Information about the test is optional, |
| 26 | * in some systems it may be possible to interact with items that are not organized into |
| 27 | * a test at all. For example, items that are organized with learning resources and |
| 28 | * presented individually in a formative context. |
| 29 | */ |
| 30 | class taoResultServer_models_classes_ResponseVariable extends taoResultServer_models_classes_Variable |
| 31 | { |
| 32 | public const TYPE = 'responseVariable'; |
| 33 | |
| 34 | /** |
| 35 | * The correct response may be output as part of the report if desired. |
| 36 | * Systems are not limited to reporting correct responses declared in responseDeclarations. For example, a correct |
| 37 | * response may be set by a templateRule or may simply have been suppressed from the declaration passed to the |
| 38 | * delivery engine (e.g., for security). |
| 39 | * |
| 40 | * @var mixed|null |
| 41 | */ |
| 42 | protected $correctResponse; |
| 43 | |
| 44 | /** |
| 45 | * @var string|null Base64 encoded candidate response |
| 46 | */ |
| 47 | protected $candidateResponse; |
| 48 | |
| 49 | public function setCorrectResponse($correctResponse): self |
| 50 | { |
| 51 | $this->correctResponse = $correctResponse; |
| 52 | |
| 53 | return $this; |
| 54 | } |
| 55 | |
| 56 | public function getCorrectResponse() |
| 57 | { |
| 58 | return $this->correctResponse; |
| 59 | } |
| 60 | |
| 61 | public function setCandidateResponse($candidateResponse): self |
| 62 | { |
| 63 | return $this->setEncodedCandidateResponse(base64_encode((string)$candidateResponse)); |
| 64 | } |
| 65 | |
| 66 | public function setEncodedCandidateResponse($encodedCandidateResponse): self |
| 67 | { |
| 68 | $this->candidateResponse = $encodedCandidateResponse; |
| 69 | |
| 70 | return $this; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * @return string|false |
| 75 | */ |
| 76 | public function getCandidateResponse() |
| 77 | { |
| 78 | return base64_decode((string)$this->candidateResponse); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * {@inheritdoc} |
| 83 | */ |
| 84 | public function getValue() |
| 85 | { |
| 86 | return $this->getCandidateResponse(); |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * {@inheritdoc} |
| 91 | */ |
| 92 | public function setValue($value): self |
| 93 | { |
| 94 | $this->setCandidateResponse($value); |
| 95 | |
| 96 | return $this; |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * {@inheritdoc} |
| 101 | */ |
| 102 | public function jsonSerialize() |
| 103 | { |
| 104 | return parent::jsonSerialize() + |
| 105 | [ |
| 106 | 'correctResponse' => $this->correctResponse, |
| 107 | 'candidateResponse' => $this->candidateResponse, |
| 108 | ]; |
| 109 | } |
| 110 | |
| 111 | protected function getType(): string |
| 112 | { |
| 113 | return self::TYPE; |
| 114 | } |
| 115 | } |