PaginationFactory.php

<?php namespace Sasajib\Pavilion\Api\NewsHeap;

use Sasajib\Pavilion\Api\Contracts\RequestValidatorInterface;

class PaginationFactory
{
  protected $types = [
    'normal' => '\Sasajib\Pavilion\Api\NewsHeap\PaginationType\NormalPaginator',
    'fromto' => '\Sasajib\Pavilion\Api\NewsHeap\PaginationType\FromToPaginator'
  ];


  /**
   * @var
   */
  private $validator;

  public function __construct(RequestValidatorInterface $validator)
  {
    $this->validator = $validator;
  }

  public function getType($input)
  {

    if (preg_match('/-/', $input)) {
      $data = $this->ValidateAndReturnInput($input);
      return new $this->types['fromto']($data[0], $data[1]);
    } else {
      $limit = $this->getLimit($input);
      return new $this->types['normal']($limit);

    }
  }

  /**
   * @param $input
   * @return array
   */
  private function ValidateAndReturnInput($input)
  {
    $limit = explode('-', $input);
    $from = (int)$limit[0];
    $to = (int)$limit[1];
    $this->validator->validate($from, null);
    $this->validator->validate($to, null);
    return [$from, $to];
  }

  private function getLimit($input)
  {
    $ci = (int) $input;
    $this->validator->validate($ci, null);
    return $ci;
  }


}