<?php
 
 namespace Phaxio;
 
 abstract class AbstractResourceCollection extends \ArrayObject
 {
     protected $phaxio;
     protected $resource;
     protected $resource_class;
     private $params;
     private $total;
 
     public function __construct($phaxio, $params) {
         $this->phaxio = $phaxio;
         $this->params = $params;
 
         $this->retrievePage();
 
         return $this;
     }
 
     public function getTotal() {
         return $this->total;
     }
 
     public function getPage() {
         return $this->params['page'];
     }
 
     public function getPerPage() {
         return $this->params['per_page'];
     }
 
     private function retrievePage() {
         $results = $this->phaxio->doRequest("GET", $this->resource, $this->params);
 
         $this->total = $results->getPaging()['total'];
         $this->params['page'] = $results->getPaging()['page'];
         $this->params['per_page'] = $results->getPaging()['per_page'];
 
         foreach ($results->getData() as $result) {
             $resource_class = "Phaxio\\{$this->resource_class}";
             $fax = new $resource_class($this->phaxio);
             $fax->exchangeArray($result);
             $this[] = $fax;
         }
     }
 }