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<?php |
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namespace Rougin\Credo\Traits; |
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/** |
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* Paginate Trait |
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* |
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* @package Credo |
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* @author Rougin Royce Gutib <[email protected]> |
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* |
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* @property \CI_Config $config |
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* @property \CI_Input $input |
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* @property \CI_Loader $load |
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* @property \CI_Pagination $pagination |
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* @property \CI_URI $uri |
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* |
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* @method array all() |
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* @method integer countAll() |
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* @method array findBy(array $criteria, array $orderBy = null, $limit = null, $offset = null) |
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*/ |
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trait PaginateTrait |
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{ |
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/** |
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* Limits the data based on given configuration and generates pagination links. |
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* |
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* @param integer $perPage |
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* @param array $config |
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* @return array |
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*/ |
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public function paginate($perPage, $config = []) |
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{ |
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$this->load->library('pagination'); |
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$this->prepareConfiguration($config); |
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$config['per_page'] = $perPage; |
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$config['total_rows'] = $this->countAll(); |
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$offset = $this->getOffset($config); |
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$this->pagination->initialize($config); |
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$items = $this->findBy([], [], $perPage, $offset); |
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return [ $items, $this->pagination->create_links() ]; |
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} |
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/** |
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* Returns the offset from the defined configuration. |
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* |
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* @param array $config |
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* @return integer |
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*/ |
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protected function getOffset(array $config) |
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{ |
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$offset = $this->uri->segment($config['uri_segment']); |
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if ($config['page_query_string']) { |
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$offset = $this->input->get($config['query_string_segment']); |
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} |
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if ($config['use_page_numbers'] && $offset != 0) { |
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$offset = ($config['per_page'] * $offset) - $config['per_page']; |
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} |
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return $offset; |
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} |
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/** |
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* Retrieves configuration from pagination.php. |
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* If not available, will based on given and default data. |
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* |
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* @param array $config |
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* @return void |
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*/ |
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protected function prepareConfiguration(array &$config) |
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{ |
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$this->load->helper('url'); |
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$items = [ |
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'base_url' => current_url(), |
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'page_query_string' => false, |
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'query_string_segment' => 'per_page', |
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'uri_segment' => 3, |
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'use_page_numbers' => false, |
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]; |
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foreach ($items as $item => $defaultValue) { |
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if ($this->config->item($item) !== null) { |
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$config[$item] = $this->config->item($item); |
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} elseif (! isset($config[$item])) { |
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$config[$item] = $defaultValue; |
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} |
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} |
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} |
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} |
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rougin /
credo
