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<?php |
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/** |
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* Copyright 2014 SURFnet bv |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace Surfnet\StepupMiddlewareClientBundle\Dto; |
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use LogicException; |
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use Symfony\Component\Validator\Constraints as Assert; |
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abstract class CollectionDto implements Dto |
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{ |
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/** |
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* @Assert\Valid |
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* |
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* @var array |
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*/ |
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protected $elements; |
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/** |
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* @var int |
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*/ |
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protected $totalItems; |
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/** |
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* @var int |
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*/ |
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protected $currentPage; |
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/** |
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* @var int |
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*/ |
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protected $itemsPerPage; |
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/** |
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* @var array |
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*/ |
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private $filterOptions; |
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/** |
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* @param array $elements |
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* @param int $totalItems |
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* @param int $currentPage |
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* @param int $itemsPerPage |
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* @param array $filterOptions |
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*/ |
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public function __construct(array $elements, $totalItems, $currentPage, $itemsPerPage, $filterOptions = array()) |
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{ |
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$this->elements = $elements; |
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$this->totalItems = (int) $totalItems; |
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$this->currentPage = (int) $currentPage; |
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$this->itemsPerPage = (int) $itemsPerPage; |
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$this->filterOptions = $filterOptions; |
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} |
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/** |
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* @param array $data |
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* @return static |
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*/ |
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public static function fromData(array $data) |
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{ |
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$elements = []; |
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foreach ($data['items'] as $key => $item) { |
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$elements[$key] = static::createElementFromData($item); |
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} |
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return new static( |
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$elements, |
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$data['collection']['total_items'], |
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$data['collection']['page'], |
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$data['collection']['page_size'], |
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$data['filters'] |
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); |
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} |
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/** |
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* Load the element in the collection based on the data given |
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* |
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* @param array $item |
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* @return mixed |
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*/ |
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protected static function createElementFromData(array $item) |
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{ |
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throw new LogicException(sprintf( |
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'The method "%s::createElementFromData must be implemented to load the Collection Element"' |
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)); |
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} |
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/** |
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* @return int |
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*/ |
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public function getCurrentPage() |
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{ |
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return $this->currentPage; |
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} |
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/** |
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* @return array |
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*/ |
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public function getElements() |
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{ |
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return $this->elements; |
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} |
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/** |
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* @param string $key |
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* @return array |
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*/ |
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public function getFilterOption($key) |
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{ |
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if (!array_key_exists($key, $this->filterOptions)) { |
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return []; |
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} |
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return $this->filterOptions[$key]; |
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} |
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/** |
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* @return mixed|null |
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* @throws LogicException When there is more than 1 element present. |
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*/ |
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public function getOnlyElement() |
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{ |
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$elementCount = count($this->elements); |
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if ($elementCount === 1) { |
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return reset($this->elements); |
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} elseif ($elementCount === 0) { |
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return null; |
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} |
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throw new LogicException(sprintf('There are %d elements in this collection instead of one.', $elementCount)); |
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} |
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/** |
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* @return int |
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*/ |
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public function getItemsPerPage() |
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{ |
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return $this->itemsPerPage; |
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} |
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/** |
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* @return int |
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*/ |
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public function getTotalItems() |
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{ |
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return $this->totalItems; |
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} |
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} |
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OpenConext /
Stepup-Middleware-clientbundle
