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<?php |
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/** |
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* This file is part of Fabrica. |
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* |
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* (c) Alexandre Salomé <[email protected]> |
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* (c) Julien DIDIER <[email protected]> |
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* |
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* This source file is subject to the GPL license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace Fabrica\Component\Pagination; |
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class Pager implements \IteratorAggregate, \Countable |
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{ |
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/** |
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* @var PagerAdapterInteface |
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*/ |
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private $adapter; |
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private $offset = 0; |
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private $perPage; |
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private $total; |
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public function __construct(PagerAdapterInterface $adapter, $perPage = 10) |
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{ |
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$this->adapter = $adapter; |
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$this->perPage = $perPage; |
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} |
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public function setOffset($offset) |
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{ |
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$this->offset = $offset; |
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} |
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public function setPage($page) |
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{ |
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$this->offset = (max(1, (int) $page) - 1) * $this->perPage; |
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return $this; |
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} |
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public function isFirstPage() |
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{ |
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return $this->getPage() == 1; |
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} |
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public function isLastPage() |
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{ |
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return $this->getPage() == $this->getPageCount(); |
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} |
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public function getPage() |
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{ |
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return floor($this->offset/$this->perPage) + 1; |
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} |
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public function getOffset() |
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{ |
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return $this->offset; |
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} |
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public function setPerPage($perPage) |
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{ |
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$this->perPage = (int) $perPage; |
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} |
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public function count() |
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{ |
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if (null === $this->total) { |
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$this->total = $this->adapter->count(); |
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} |
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return $this->total; |
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} |
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/** |
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* Can be zero. |
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*/ |
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public function getPageCount() |
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{ |
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return ceil($this->count() / $this->perPage); |
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} |
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public function getResults() |
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{ |
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return $this->getIterator(); |
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} |
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public function getIterator() |
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{ |
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return new \ArrayIterator($this->adapter->get($this->offset, $this->perPage)); |
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} |
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} |
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Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..