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View File Name : PagerInterface.php

<?php

/**
 * This file is part of the CodeIgniter 4 framework.
 *
 * (c) CodeIgniter Foundation <admin@codeigniter.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace CodeIgniter\Pager;

use CodeIgniter\HTTP\URI;

/**
 * Expected behavior for a Pager
 */
interface PagerInterface
{
	/**
	 * Handles creating and displaying the
	 *
	 * @param string $group
	 * @param string $template The output template alias to render.
	 *
	 * @return string
	 */
	public function links(string $group = 'default', string $template = 'default'): string;

	//--------------------------------------------------------------------

	/**
	 * Creates simple Next/Previous links, instead of full pagination.
	 *
	 * @param string $group
	 * @param string $template
	 *
	 * @return string
	 */
	public function simpleLinks(string $group = 'default', string $template = 'default'): string;

	//--------------------------------------------------------------------

	/**
	 * Allows for a simple, manual, form of pagination where all of the data
	 * is provided by the user. The URL is the current URI.
	 *
	 * @param integer $page
	 * @param integer $perPage
	 * @param integer $total
	 * @param string  $template The output template alias to render.
	 *
	 * @return string
	 */
	public function makeLinks(int $page, int $perPage, int $total, string $template = 'default'): string;

	//--------------------------------------------------------------------

	/**
	 * Stores a set of pagination data for later display. Most commonly used
	 * by the model to automate the process.
	 *
	 * @param string  $group
	 * @param integer $page
	 * @param integer $perPage
	 * @param integer $total
	 *
	 * @return mixed
	 */
	public function store(string $group, int $page, int $perPage, int $total);

	//--------------------------------------------------------------------

	/**
	 * Sets the path that an aliased group of links will use.
	 *
	 * @param string $path
	 * @param string $group
	 *
	 * @return mixed
	 */
	public function setPath(string $path, string $group = 'default');

	//--------------------------------------------------------------------

	/**
	 * Returns the total number of pages.
	 *
	 * @param string $group
	 *
	 * @return integer
	 */
	public function getPageCount(string $group = 'default'): int;

	//--------------------------------------------------------------------

	/**
	 * Returns the number of the current page of results.
	 *
	 * @param string $group
	 *
	 * @return integer
	 */
	public function getCurrentPage(string $group = 'default'): int;

	//--------------------------------------------------------------------
	/**
	 * Returns the URI for a specific page for the specified group.
	 *
	 * @param integer|null $page
	 * @param string       $group
	 * @param boolean      $returnObject
	 *
	 * @return string|URI
	 */
	public function getPageURI(int $page = null, string $group = 'default', bool $returnObject = false);

	//--------------------------------------------------------------------

	/**
	 * Tells whether this group of results has any more pages of results.
	 *
	 * @param string $group
	 *
	 * @return boolean
	 */
	public function hasMore(string $group = 'default'): bool;

	//--------------------------------------------------------------------

	/**
	 * Returns the first page.
	 *
	 * @param string $group
	 *
	 * @return integer
	 */
	public function getFirstPage(string $group = 'default');

	//--------------------------------------------------------------------

	/**
	 * Returns the last page, if we have a total that we can calculate with.
	 *
	 * @param string $group
	 *
	 * @return integer|null
	 */
	public function getLastPage(string $group = 'default');

	//--------------------------------------------------------------------

	/**
	 * Returns the full URI to the next page of results, or null.
	 *
	 * @param string $group
	 *
	 * @return string|null
	 */
	public function getNextPageURI(string $group = 'default');

	//--------------------------------------------------------------------

	/**
	 * Returns the full URL to the previous page of results, or null.
	 *
	 * @param string $group
	 *
	 * @return string|null
	 */
	public function getPreviousPageURI(string $group = 'default');

	//--------------------------------------------------------------------

	/**
	 * Returns the number of results per page that should be shown.
	 *
	 * @param string $group
	 *
	 * @return integer
	 */
	public function getPerPage(string $group = 'default'): int;

	//--------------------------------------------------------------------

	/**
	 * Returns an array with details about the results, including
	 * total, per_page, current_page, last_page, next_url, prev_url, from, to.
	 * Does not include the actual data. This data is suitable for adding
	 * a 'data' object to with the result set and converting to JSON.
	 *
	 * @param string $group
	 *
	 * @return array
	 */
	public function getDetails(string $group = 'default'): array;

	//--------------------------------------------------------------------
}