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<?php |
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namespace Stitcher\Page\Adapter; |
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use Stitcher\Exception\InvalidOrderAdapter; |
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use Stitcher\Page\Adapter; |
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use Stitcher\Configureable; |
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use Stitcher\Variable\VariableParser; |
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class OrderAdapter implements Adapter, Configureable |
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{ |
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private const REVERSE = [ |
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'desc', |
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'DESC', |
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'-', |
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]; |
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/** @var \Stitcher\Variable\VariableParser */ |
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private $variableParser; |
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/** @var string */ |
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private $variable; |
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/** @var string */ |
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private $field; |
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/** @var string */ |
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private $direction; |
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public function __construct( |
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array $adapterConfiguration, |
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VariableParser $variableParser |
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) { |
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if (! $this->isValidConfiguration($adapterConfiguration)) { |
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throw InvalidOrderAdapter::create(); |
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} |
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$this->variable = $adapterConfiguration['variable']; |
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$this->field = $adapterConfiguration['field']; |
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$this->direction = $adapterConfiguration['direction'] ?? 'asc'; |
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$this->variableParser = $variableParser; |
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} |
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public static function make( |
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array $adapterConfiguration, |
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VariableParser $variableParser |
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): OrderAdapter { |
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return new self($adapterConfiguration, $variableParser); |
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} |
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public function transform(array $pageConfiguration): array |
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{ |
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$entries = $this->getEntries($pageConfiguration); |
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$orderedEntries = $this->orderEntries($entries); |
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$pageConfiguration['variables'][$this->variable] = $orderedEntries; |
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unset($pageConfiguration['config']['order']); |
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return [$pageConfiguration]; |
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} |
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public function isValidConfiguration($subject): bool |
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{ |
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return \is_array($subject) |
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&& isset($subject['variable']) |
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&& isset($subject['field']); |
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} |
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private function getEntries($pageConfiguration): ?array |
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{ |
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$variable = $pageConfiguration['variables'][$this->variable] ?? null; |
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return $this->variableParser->parse($variable) ?? $variable; |
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} |
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private function orderEntries(array $entries): array |
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{ |
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uasort($entries, function ($a, $b) { |
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return strcmp($a[$this->field] ?? '', $b[$this->field] ?? ''); |
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}); |
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if (in_array($this->direction, self::REVERSE)) { |
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$entries = array_reverse($entries, true); |
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} |
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return $entries; |
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} |
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} |
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pageon /
stitcher-core
