Xabbuh\XApi\Model\Interaction\LikertInteractionDefinition

Complexity

Total Complexity

12

Size/Duplication

Total Lines	70
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	6	1
A	withScale()	0	7	1
A	getScale()	0	4	1
D	equals()	0	32	9

<?php

/*
 * This file is part of the xAPI package.
 *
 * (c) Christian Flothmann <christian.flothmann@xabbuh.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Xabbuh\XApi\Model\Interaction;

use Xabbuh\XApi\Model\Definition;
use Xabbuh\XApi\Model\LanguageMap;

/**
 * An interaction which asks the learner to select from a discrete set of
 * choices on a scale.
 *
 * @author Christian Flothmann <christian.flothmann@xabbuh.de>
 */
final class LikertInteractionDefinition extends InteractionDefinition
{
    private $scale;

    /**
     * @param LanguageMap|null            $name
     * @param LanguageMap|null            $description
     * @param string|null                 $type
     * @param string|null                 $moreInfo
     * @param string[]|null               $correctResponsesPattern
     * @param InteractionComponent[]|null $scale
     */
    public function __construct(LanguageMap $name = null, LanguageMap $description = null, $type = null, $moreInfo = null, array $correctResponsesPattern = null, array $scale = null)
    {
        parent::__construct($name, $description, $type, $moreInfo, $correctResponsesPattern);

        $this->scale = $scale;
    }

    /**
     * @param InteractionComponent[]|null $scale
     *
     * @return static
     */
    public function withScale(array $scale = null)
    {
        $interaction = clone $this;
        $interaction->scale = $scale;

        return $interaction;
    }

    public function getScale()
    {
        return $this->scale;
    }

    public function equals(Definition $definition)
    {
        if (!parent::equals($definition)) {
            return false;
        }

        if (!$definition instanceof LikertInteractionDefinition) {
            return false;
        }

        if (null !== $this->scale xor null !== $definition->scale) {
            return false;
        }

        if (null !== $this->scale) {
            if (count($this->scale) !== count($definition->scale)) {
                return false;
            }

            foreach ($this->scale as $key => $scale) {
                if (!isset($definition->scale[$key])) {
                    return false;
                }

                if (!$scale->equals($definition->scale[$key])) {
                    return false;
                }
            }
        }

        return true;
    }
}