Soluble\FlexStore\Helper\Paginator

Complexity

Total Complexity

10

Size/Duplication

Total Lines	81
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Test Coverage

Coverage

44.83%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	22	5
A	_loadScrollingStyle()	0	27	5

<?php

declare(strict_types=1);

/*
 * soluble-flexstore library
 *
 * @author    Vanvelthem Sébastien
 * @link      https://github.com/belgattitude/soluble-flexstore
 * @copyright Copyright (c) 2016-2017 Vanvelthem Sébastien
 * @license   MIT License https://github.com/belgattitude/soluble-flexstore/blob/master/LICENSE.md
 *
 */

namespace Soluble\FlexStore\Helper;

use Soluble\FlexStore\Exception;
use Zend\Paginator\Paginator as ZendPaginator;
use Zend\Paginator\ScrollingStyle\ScrollingStyleInterface;

class Paginator extends ZendPaginator
{
    /**
     * Default set of scrolling.
     *
     * @var array<string, string>
     */
    protected $scrollingTypes = [
        'all' => 'Zend\Paginator\ScrollingStyle\All',
        'elastic' => 'Zend\Paginator\ScrollingStyle\Elastic',
        'jumping' => 'Zend\Paginator\ScrollingStyle\Jumping',
        'sliding' => 'Zend\Paginator\ScrollingStyle\Sliding',
    ];

    /**
     * @param int $totalRows
     * @param int $limit
     * @param int $offset
     *
     * @throws Exception\InvalidUsageException
     */
    public function __construct(int $totalRows, int $limit, int $offset = 0)
    {
        if ($limit < 0) {
            throw new Exception\InvalidUsageException(__METHOD__ . ' expects limit to be an integer greater than 0');
        }
        if ($totalRows < 0) {
            throw new Exception\InvalidUsageException(__METHOD__ . ' expects total rows to be an integer greater than 0');
        }
        if ($offset < 0) {
            throw new Exception\InvalidUsageException(__METHOD__ . ' expects offset to be an integer greater than 0');
        }

        if (class_exists('\Zend\Paginator\Adapter\NullFill')) {
            $adapter = new \Zend\Paginator\Adapter\NullFill($totalRows);
        } else {
            throw new Exception\RuntimeException(__METHOD__ . " Missing Zend\Paginator\Adapter.");
        }

        parent::__construct($adapter);
        $this->setItemCountPerPage($limit);
        $this->setCurrentPageNumber(ceil(($offset + 1) / $limit));
    }

    /**
     * Loads a scrolling style.
     *
     * @param string|ScrollingStyleInterface $scrollingStyle
     *
     * @return ScrollingStyleInterface
     *
     * @throws Exception\InvalidArgumentException
     */
    protected function _loadScrollingStyle($scrollingStyle = null): ScrollingStyleInterface
    {
        if ($scrollingStyle === null) {
            $scrollingStyle = static::$defaultScrollingStyle;
        }

        if (is_string($scrollingStyle)) {
            if (!array_key_exists(strtolower($scrollingStyle), $this->scrollingTypes)) {
                throw new Exception\InvalidArgumentException(
                    "Scrolling type '$scrollingStyle' is not supported, look for (" .
                    implode(',', array_keys($this->scrollingTypes)) .
                    ')'
                );
            }
            $cls = $this->scrollingTypes[strtolower($scrollingStyle)];

            return new $cls();
        }

        if (!$scrollingStyle instanceof ScrollingStyleInterface) {

The class Zend\Paginator\ScrollingStyle\ScrollingStyleInterface does not exist. Did you forget a USE statement, or did you not list all dependencies?

            throw new Exception\InvalidArgumentException(
                'Scrolling style must implement Zend\Paginator\ScrollingStyle\ScrollingStyleInterface'
            );
        }

        return $scrollingStyle;
    }
}