Propel Adapters for Apigility Collections

CollectionAdapter.php

<?php

namespace Musterhaus\Propel\Paginator\Adapter;

use Zend\Paginator\Adapter\AdapterInterface;
use PropelCollection;

/**
 * Class CollectionAdapter
 *
 * @package Musterhaus\Propel\Paginator\Adapter
 * @author Sebastian Okolowski <okolowski@musterhaus.net>
 */
class CollectionAdapter implements AdapterInterface {
    
    /**
     *
     * @var PropelCollection 
     */
    protected $collection;

    /**
     * @var int
     */
    protected $count = 0;

    /**
     * CollectionAdapter constructor.
     *
     * @param PropelCollection $collection
     */
    public function __construct(PropelCollection $collection) {
        $this->collection = $collection;
    }

    /**
     * @param int $offset
     * @param int $itemCountPerPage
     * @return array
     */
    public function getItems($offset, $itemCountPerPage) {
        $items = array();
        
        foreach($this->collection as $item) {
            $items[] = $item;
        }
        
        return array_slice($items, $offset, $itemCountPerPage);
    }

    /**
     * @param string $mode
     * @return int
     */
    public function count() {
        return $this->collection->count();
    }
    
}

PaginatorAdapter.php

<?php

namespace Musterhaus\Propel\Paginator\Adapter;

use Zend\Paginator\Adapter\AdapterInterface;

/**
 * Class PaginatorAdapter
 *
 * @package Musterhaus\Propel\Paginator\Adapter
 * @author Sebastian Okolowski <okolowski@muterhaus.net>
 */
class PaginatorAdapter implements AdapterInterface {

    /**
     * @var \ModelCriteria
     */
    protected $query;

    /**
     * @var int
     */
    protected $count = 0;

    /**
     * PaginatorAdapter constructor.
     *
     * @param $query
     */
    public function __construct(\ModelCriteria $query) {
        $this->query = $query;
        $this->count = $this->query->count();
    }

    /**
     * @param int $offset
     * @param int $itemCountPerPage
     * @return \PropelModelPager
     */
    public function getItems($offset, $itemCountPerPage) {
        $page = round($offset / $itemCountPerPage) + 1;
        
        return $this->query->paginate($page, $itemCountPerPage);
    }

    /**
     * @return int
     */
    public function count() {
        return $this->count;
    }

}

SomeApigilityResource.php

<?php 

use Musterhaus\Propel\Paginator\Adapter\PaginatorAdapter;

class SomeApigilityResource extends AbstractResourceListener {
  
  /**
     * Fetch all or a subset of resources
     *
     * @param  array $params
     * @return ApiProblem|mixed
     */
    public function fetchAll($params = array()) {
      $query = \SomePropelQuery::create();
      $adapter = new PaginatorAdapter($query);
      
      return new \SomeApigilityRestCollection($adapter);
    }
  
}