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<?php |
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namespace LearnZF2Pagination\Controller; |
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use Zend\Mvc\Controller\AbstractActionController; |
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use Zend\Paginator\Adapter\ArrayAdapter; |
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use Zend\Paginator\Paginator; |
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use Zend\View\Model\ViewModel; |
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class IndexController extends AbstractActionController |
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{ |
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const ITEM_PER_PAGE = 4; |
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/** |
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* @var array |
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*/ |
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protected $data; |
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public function __construct(array $data) |
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{ |
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$this->data = $data; |
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} |
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public function indexAction() |
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{ |
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$data = $this->getFilteredData(); |
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$page = $this->params()->fromQuery('page', 1); |
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// Paginate filtered data |
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$paginator = new Paginator(new ArrayAdapter($data)); |
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$paginator->setCurrentPageNumber($page) |
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->setItemCountPerPage(self::ITEM_PER_PAGE); |
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return new ViewModel(array_merge($this->params()->fromQuery(), ['paginator' => $paginator])); |
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} |
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/** |
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* @return array |
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*/ |
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protected function getFilteredData() |
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{ |
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// Filter by category |
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$category = $this->params()->fromQuery('category', ''); |
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$data = array_key_exists($category, $this->data) ? $this->data[$category] : array_merge( |
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$this->data['movies'], |
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$this->data['books'], |
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$this->data['music'] |
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); |
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// Filter by keyword |
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$keyword = $this->params()->fromQuery('keyword'); |
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if (empty($keyword)) { |
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return $data; |
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} |
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// Remove those elements which doesn't accomplish the keyword condition |
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foreach ($data as $key => $element) { |
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if (!$this->isKeywordInTitle($keyword, $element['title'])) { |
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unset($data[$key]); |
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} |
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} |
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return $data; |
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} |
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/** |
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* Triws to find certain keyword in provided title. |
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* |
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* @param $keyword |
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* @param $title |
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* |
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* @return bool |
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*/ |
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protected function isKeywordInTitle($keyword, $title) |
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{ |
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$pos = strpos(strtolower($title), strtolower($keyword)); |
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return is_int($pos); |
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} |
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} |
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sitrunlab /
LearnZF2
