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<?php |
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declare(strict_types=1); |
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/** |
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* BEdita, API-first content management framework |
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* Copyright 2021 Atlas Srl, ChannelWeb Srl, Chialab Srl |
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* |
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* This file is part of BEdita: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published |
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* by the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* See LICENSE.LGPL or <http://gnu.org/licenses/lgpl-3.0.html> for more details. |
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*/ |
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namespace BEdita\WebTools\Controller\Component; |
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use Cake\Collection\Collection; |
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use Cake\Controller\Component; |
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use Cake\Utility\Hash; |
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/** |
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* Component class to format API response data. |
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*/ |
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class ApiFormatterComponent extends Component |
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{ |
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/** |
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* Embed included data into relationships. |
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* |
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* @param array $response The response from API |
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* @return array |
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*/ |
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public function embedIncluded(array $response): array |
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{ |
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$data = (array)Hash::get($response, 'data'); |
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if (empty($data)) { |
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return $response; |
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} |
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$included = (array)Hash::get($response, 'included'); |
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if (empty($included)) { |
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return $response; |
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} |
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$included = collection($included); |
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if (!Hash::numeric(array_keys($data))) { |
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$response['data'] = $this->addIncluded($data, $included); |
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return $response; |
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} |
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foreach ($data as &$d) { |
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$d = $this->addIncluded($d, $included); |
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} |
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unset($d); |
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$response['data'] = $data; |
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return $response; |
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} |
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/** |
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* Add included data to main resource. |
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* |
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* @param array $resource The resource. |
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* @param \Cake\Collection\Collection $included The included collection. |
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* @return array |
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*/ |
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protected function addIncluded(array $resource, Collection $included): array |
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{ |
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foreach ($resource['relationships'] as &$relation) { |
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if (empty($relation['data'])) { |
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continue; |
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} |
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$relation['data'] = $this->extractFromIncluded($included, (array)$relation['data']); |
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} |
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unset($relation); |
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return $resource; |
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} |
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/** |
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* Extract items from included starting from $relationship data. |
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* |
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* @param \Cake\Collection\Collection $included The included collection |
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* @param array $relationshipData Array of relationship data. |
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* Every item must contain 'type' and 'id'. |
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* @return array |
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*/ |
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protected function extractFromIncluded(Collection $included, array $relationshipData): array |
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{ |
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// case is 1-1 relationship - object relation in translations is a special case |
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if (array_key_exists('id', $relationshipData)) { |
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return (array)$included->firstMatch([ |
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'type' => $relationshipData['type'], |
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'id' => $relationshipData['id'], |
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]); |
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} |
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foreach ($relationshipData as &$data) { |
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$data = (array)$included->firstMatch([ |
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'type' => $data['type'], |
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'id' => $data['id'], |
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]); |
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} |
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unset($data); |
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return $relationshipData; |
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} |
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/** |
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* Replace a translation in main objects. |
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* It must be used after `included` data have been embedded using `self::embedIncluded()`. |
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* |
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* @param array $response The response API array |
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* @param string $lang The lang to search in translations |
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* @return array |
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*/ |
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public function replaceWithTranslation(array $response, string $lang): array |
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{ |
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if (empty($response['data'])) { |
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return $response; |
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} |
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$data = (array)Hash::get($response, 'data'); |
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if (!Hash::numeric(array_keys($data))) { |
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$response['data']['attributes'] = array_merge( |
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$response['data']['attributes'], |
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$this->extractTranslatedFields($data, $lang) |
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); |
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return $response; |
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} |
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foreach ($response['data'] as &$d) { |
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$d['attributes'] = array_merge($d['attributes'], $this->extractTranslatedFields($d, $lang)); |
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} |
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return $response; |
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} |
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/** |
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* Extract translated fields for a language. |
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* |
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* @param array $data The object data |
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* @param string $lang The lang to extract |
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* @return array |
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*/ |
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protected function extractTranslatedFields(array $data, string $lang): array |
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{ |
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$path = sprintf('relationships.translations.data.{n}.attributes[lang=%s].translated_fields', $lang); |
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if ($lang === Hash::get($data, 'attributes.lang')) { |
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return []; |
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} |
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return array_filter(current(Hash::extract($data, $path))); |
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} |
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} |
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bedita /
web-tools
