93 lines
2.4 KiB
PHP
93 lines
2.4 KiB
PHP
<?php
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/*
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* This file is part of the xAPI package.
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*
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* (c) Christian Flothmann <christian.flothmann@xabbuh.de>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Xabbuh\XApi\Model\Interaction;
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use Xabbuh\XApi\Model\Definition;
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use Xabbuh\XApi\Model\Extensions;
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use Xabbuh\XApi\Model\IRI;
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use Xabbuh\XApi\Model\IRL;
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use Xabbuh\XApi\Model\LanguageMap;
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/**
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* An interaction with a number of possible choices from which the learner
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* can select.
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*
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* @author Christian Flothmann <christian.flothmann@xabbuh.de>
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*/
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final class ChoiceInteractionDefinition extends InteractionDefinition
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{
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private $choices;
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/**
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* @param string[]|null $correctResponsesPattern
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* @param InteractionComponent[]|null $choices
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*/
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public function __construct(LanguageMap $name = null, LanguageMap $description = null, IRI $type = null, IRL $moreInfo = null, Extensions $extensions = null, array $correctResponsesPattern = null, array $choices = null)
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{
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parent::__construct($name, $description, $type, $moreInfo, $extensions, $correctResponsesPattern);
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$this->choices = $choices;
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}
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/**
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* @param InteractionComponent[]|null $choices
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*/
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public function withChoices(array $choices = null): self
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{
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$interaction = clone $this;
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$interaction->choices = $choices;
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return $interaction;
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}
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/**
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* @return InteractionComponent[]|null
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*/
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public function getChoices(): ?array
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{
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return $this->choices;
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}
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public function equals(Definition $definition): bool
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{
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if (!parent::equals($definition)) {
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return false;
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}
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if (!$definition instanceof ChoiceInteractionDefinition) {
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return false;
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}
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if (null !== $this->choices xor null !== $definition->choices) {
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return false;
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}
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if (null !== $this->choices) {
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if (count($this->choices) !== count($definition->choices)) {
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return false;
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}
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foreach ($this->choices as $key => $choice) {
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if (!isset($definition->choices[$key])) {
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return false;
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}
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if (!$choice->equals($definition->choices[$key])) {
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return false;
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}
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}
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}
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return true;
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}
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}
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