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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) 2021 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT); |
| 19 | */ |
| 20 | |
| 21 | declare(strict_types=1); |
| 22 | |
| 23 | namespace oat\taoQtiItem\model\import; |
| 24 | |
| 25 | class CsvItem implements ItemInterface |
| 26 | { |
| 27 | /** @var string */ |
| 28 | private $name; |
| 29 | |
| 30 | /** @var string */ |
| 31 | private $question; |
| 32 | |
| 33 | /** @var bool */ |
| 34 | private $shuffle; |
| 35 | |
| 36 | /** @var int */ |
| 37 | private $minChoices; |
| 38 | |
| 39 | /** @var int */ |
| 40 | private $maxChoices; |
| 41 | |
| 42 | /** @var string */ |
| 43 | private $language; |
| 44 | |
| 45 | /** @var ParsedChoice[] */ |
| 46 | private $choices; |
| 47 | |
| 48 | /** @var ParsedMetadatum[] */ |
| 49 | private $metadata; |
| 50 | |
| 51 | public function __construct( |
| 52 | string $name, |
| 53 | string $question, |
| 54 | bool $shuffle, |
| 55 | int $minChoices, |
| 56 | int $maxChoices, |
| 57 | string $language, |
| 58 | array $choices, |
| 59 | array $metadata |
| 60 | ) { |
| 61 | $this->name = $name; |
| 62 | $this->question = $question; |
| 63 | $this->shuffle = $shuffle; |
| 64 | $this->minChoices = $minChoices; |
| 65 | $this->maxChoices = $maxChoices; |
| 66 | $this->language = $language; |
| 67 | $this->choices = $choices; |
| 68 | $this->metadata = $metadata; |
| 69 | } |
| 70 | |
| 71 | public function getName(): string |
| 72 | { |
| 73 | return $this->name; |
| 74 | } |
| 75 | |
| 76 | public function getQuestion(): string |
| 77 | { |
| 78 | return $this->question; |
| 79 | } |
| 80 | |
| 81 | public function isShuffle(): bool |
| 82 | { |
| 83 | return $this->shuffle; |
| 84 | } |
| 85 | |
| 86 | public function getMinChoices(): int |
| 87 | { |
| 88 | return $this->minChoices; |
| 89 | } |
| 90 | |
| 91 | public function getMaxChoices(): int |
| 92 | { |
| 93 | return $this->maxChoices; |
| 94 | } |
| 95 | |
| 96 | public function getLanguage(): string |
| 97 | { |
| 98 | return $this->language; |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * @return ParsedChoice[] |
| 103 | */ |
| 104 | public function getChoices(): array |
| 105 | { |
| 106 | return $this->choices; |
| 107 | } |
| 108 | |
| 109 | public function getCorrectChoices(): array |
| 110 | { |
| 111 | $choices = []; |
| 112 | |
| 113 | foreach ($this->choices as $choice) { |
| 114 | if ($choice->isCorrect()) { |
| 115 | $choices[] = $choice; |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | return $choices; |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * @return ParsedMetadatum[] |
| 124 | */ |
| 125 | public function getMetadata(): array |
| 126 | { |
| 127 | return $this->metadata; |
| 128 | } |
| 129 | |
| 130 | public function getMaxScore(): float |
| 131 | { |
| 132 | if ($this->isMatchCorrectResponse()) { |
| 133 | return 1; |
| 134 | } |
| 135 | |
| 136 | if ($this->isNoneResponse()) { |
| 137 | return 0; |
| 138 | } |
| 139 | |
| 140 | if ($this->maxChoices === 0) { |
| 141 | return $this->getMaxTotalScore(); |
| 142 | } |
| 143 | |
| 144 | if ($this->maxChoices === 1) { |
| 145 | return $this->getHigherScore(); |
| 146 | } |
| 147 | |
| 148 | if ($this->maxChoices > 1) { |
| 149 | return $this->getHigherPossibleTotalScore(); |
| 150 | } |
| 151 | |
| 152 | return 0; |
| 153 | } |
| 154 | |
| 155 | public function isMatchCorrectResponse(): bool |
| 156 | { |
| 157 | return $this->getScoreCount() === 0 && $this->hasAtLeastOneCorrectAnswer(); |
| 158 | } |
| 159 | |
| 160 | public function isMapResponse(): bool |
| 161 | { |
| 162 | return $this->getScoreCount() > 0; |
| 163 | } |
| 164 | |
| 165 | public function isNoneResponse(): bool |
| 166 | { |
| 167 | return $this->getScoreCount() === 0 && !$this->hasAtLeastOneCorrectAnswer(); |
| 168 | } |
| 169 | |
| 170 | private function hasAtLeastOneCorrectAnswer(): bool |
| 171 | { |
| 172 | return count($this->getCorrectChoices()) > 0; |
| 173 | } |
| 174 | |
| 175 | private function getMaxTotalScore(): float |
| 176 | { |
| 177 | $totalScore = 0; |
| 178 | |
| 179 | foreach ($this->choices as $choice) { |
| 180 | if ($choice->getChoiceScore() > 0) { |
| 181 | $totalScore += $choice->getChoiceScore(); |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | return $totalScore; |
| 186 | } |
| 187 | |
| 188 | private function getHigherScore(): float |
| 189 | { |
| 190 | $scores = []; |
| 191 | |
| 192 | foreach ($this->choices as $choice) { |
| 193 | if ($choice->getChoiceScore() > 0) { |
| 194 | $scores[$choice->getChoiceScore()] = $choice->getChoiceScore(); |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | return count($scores) ? max($scores) : 0; |
| 199 | } |
| 200 | |
| 201 | private function getHigherPossibleTotalScore(): float |
| 202 | { |
| 203 | $scores = []; |
| 204 | |
| 205 | foreach ($this->choices as $choice) { |
| 206 | if ($choice->getChoiceScore() > 0) { |
| 207 | $scores[] = $choice->getChoiceScore(); |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | rsort($scores); |
| 212 | |
| 213 | $totalScore = 0; |
| 214 | |
| 215 | for ($i = 0; $i < $this->maxChoices; $i++) { |
| 216 | $totalScore += current($scores); |
| 217 | |
| 218 | next($scores); |
| 219 | } |
| 220 | |
| 221 | return $totalScore; |
| 222 | } |
| 223 | |
| 224 | private function getScoreCount(): int |
| 225 | { |
| 226 | $totalScores = 0; |
| 227 | |
| 228 | foreach ($this->choices as $choice) { |
| 229 | if ($choice->getChoiceScore() > 0) { |
| 230 | $totalScores++; |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | return $totalScores; |
| 235 | } |
| 236 | } |