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<?php |
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namespace Lampager\Cake; |
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use Cake\Collection\CollectionTrait; |
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use Cake\Datasource\ResultSetInterface; |
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use Iterator; |
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use IteratorAggregate; |
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use Lampager\PaginationResult as LampagerPaginationResult; |
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/** |
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* Class PaginationResult |
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* |
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* This class intentionally does not extend \Lampager\PaginationResult |
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* but has the same signature because \Cake\Datasource\ResultSetInterface |
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* already implements \Iterator which conflicts with \IteratorAggregate. |
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*/ |
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class PaginationResult implements ResultSetInterface |
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{ |
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/** @var LampagerPaginationResult */ |
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protected $result; |
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/** @var Iterator */ |
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protected $iterator; |
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use CollectionTrait; |
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/** |
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* PaginationResult constructor. |
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* Merge $meta entries into $this. |
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* |
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* @param mixed $rows |
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* @param array $meta |
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*/ |
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public function __construct($rows, array $meta) |
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{ |
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$this->result = new LampagerPaginationResult($rows, $meta); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function current() |
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{ |
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if (!$this->iterator) { |
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$this->iterator = $this->getIterator(); |
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} |
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return $this->iterator->current(); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function key() |
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{ |
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if (!$this->iterator) { |
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$this->iterator = $this->getIterator(); |
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} |
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return $this->iterator->key(); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function next() |
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{ |
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if (!$this->iterator) { |
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$this->iterator = $this->getIterator(); |
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} |
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$this->iterator->next(); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function rewind() |
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{ |
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$this->iterator = $this->getIterator(); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function valid() |
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{ |
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if (!$this->iterator) { |
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$this->iterator = $this->getIterator(); |
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} |
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return $this->iterator->valid(); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function jsonSerialize() |
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{ |
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return (array)$this->result; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function serialize() |
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{ |
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return json_encode($this->result); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function unserialize($serialized) |
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{ |
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$obj = json_decode($serialized, true); |
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$meta = $obj; |
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unset($meta['records']); |
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$this->result = new LampagerPaginationResult($obj['records'], $meta); |
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} |
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/** |
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* @return Iterator |
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*/ |
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protected function getIterator() |
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{ |
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/** @var Iterator|IteratorAggregate */ |
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$iterator = $this->result->getIterator(); |
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if ($iterator instanceof IteratorAggregate) { |
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$iterator = $iterator->getIterator(); |
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} |
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return $iterator; |
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} |
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} |
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lampager /
lampager-cakephp
