79 lines
2.5 KiB
PHP
79 lines
2.5 KiB
PHP
<?php
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/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2021 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
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*/
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declare(strict_types=1);
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namespace oat\taoQtiItem\model\import\Parser;
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use oat\oatbox\service\ConfigurableService;
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use oat\taoQtiItem\model\import\ParsedChoice;
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class ChoiceParser extends ConfigurableService implements ColumnParserInterface
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{
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public function parse(array $line, array $rules, array $fields): array
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{
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$parsedChoices = [];
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$columnName = $fields['columnName'];
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$columnPattern = $this->findMatchingColumn($rules['header']);
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$choices = array_filter($this->findKeysByMask($columnName, $line));
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$choicesScores = $this->findKeysByMask($columnPattern, $line);
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$correctAnswers = $this->findCorrectAnswers($line);
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foreach ($choices as $choiceId => $choice) {
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$parsedChoices[] = new ParsedChoice(
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$choiceId,
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$choice,
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(float)$choicesScores[$choiceId . '_score'],
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in_array($choiceId, $correctAnswers)
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);
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}
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return $parsedChoices;
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}
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private function findKeysByMask(string $pattern, array $input): array
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{
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$pattern = '/\b(' . $pattern . ')\b/';
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return array_intersect_key($input, array_flip(preg_grep($pattern, array_keys($input))));
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}
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private function findMatchingColumn(string $rules): ?string
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{
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foreach (explode('|', $rules) as $validation) {
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if (strpos($validation, 'match_header:') !== false) {
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return str_replace('match_header:', '', $validation);
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}
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}
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return null;
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}
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private function findCorrectAnswers(array $line): array
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{
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return (array)(
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$line['correct_answer']
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? explode(',', str_replace('', '', $line['correct_answer']))
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: []
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);
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}
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}
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