64 lines
1.5 KiB
PHP
64 lines
1.5 KiB
PHP
<?php declare(strict_types=1);
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/**
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* Hummingbird Anime List Client
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*
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* An API client for Kitsu to manage anime and manga watch lists
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*
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* PHP version 7.4+
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*
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* @package HummingbirdAnimeClient
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* @author Timothy J. Warren <tim@timshomepage.net>
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* @copyright 2015 - 2020 Timothy J. Warren
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @version 5.2
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* @link https://git.timshomepage.net/timw4mail/HummingBirdAnimeClient
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*/
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namespace Aviat\Ion\Transformer;
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use BadMethodCallException;
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/**
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* Base class for data transformation
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*/
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abstract class AbstractTransformer implements TransformerInterface {
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/**
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* Mutate the data structure
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*
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* @param array|object $item
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* @return mixed
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*/
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abstract public function transform($item);
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/**
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* Transform a set of structures
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*
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* @param iterable $collection
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* @return array
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*/
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public function transformCollection(iterable $collection): array
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{
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$list = (array)$collection;
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return array_map([$this, 'transform'], $list);
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}
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/**
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* Untransform a set of structures
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*
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* Requires an 'untransform' method in the extending class
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*
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* @param iterable $collection
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* @return array
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*/
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public function untransformCollection(iterable $collection): array
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{
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if ( ! method_exists($this, 'untransform'))
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{
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throw new BadMethodCallException('untransform() method does not exist.');
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}
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$list = (array)$collection;
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return array_map([$this, 'untransform'], $list);
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}
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}
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// End of AbstractTransformer.php
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