michaeldouglas/laravel-pagseguro

<?php

namespace laravel\pagseguro\Document;

use laravel\pagseguro\Document\CPF\CPF;
use laravel\pagseguro\Document\CNPJ\CNPJ;

/**
 * Document Collection Object
 *
 * @category   Document
 * @package    Laravel\PagSeguro\Item
 *
 * @author     Isaque de Souza <isaquesb@gmail.com>
 * @since      2015-01-11
 *
 * @copyright  Laravel\PagSeguro
 */
class DocumentCollection extends \ArrayObject
{

    /**
     * Factory ItemCollection (Cria coleção de itens)
     * @param array $data Items
     * @return DocumentCollection
     * @throws \InvalidArgumentException
     */
    public static function factory(array $data = [])
    {
        $collectionItems = [];
        $itr = new \ArrayIterator($data);
        while ($itr->valid()) {
            $item = $itr->current();
            if ($item instanceof DocumentInterface) {
                $collectionItems[] = $item;
            } elseif (is_array($item)) {
                $collectionItems[] = self::documentFactory($item);
            } else {
                $exptMsg = sprintf('Invalid document on key: %s', $itr->key());
                throw new \InvalidArgumentException($exptMsg);
            }
            $itr->next();
        }
        return new self($collectionItems);
    }

    /**
     * Factory Document
     * CPF and CNPJ are the unique suported documents
     * @param array $data
     * @return DocumentInterface
     * @throws \InvalidArgumentException
     */
    public static function documentFactory(array $data)
    {
        if (!array_key_exists('type', $data)
            || !array_key_exists('number', $data)
            || empty($data['type'])
            || empty($data['number'])
        ) {
            throw new \InvalidArgumentException('Invalid document data');
        }
        
        if($data['type'] == 'CPF'){
            self::unsetType($data);
            return new CPF($data);
        }elseif($data['type'] == 'CNPJ'){
            self::unsetType($data);
            return new CNPJ($data);
        }else{
            throw new \InvalidArgumentException('Invalid document type');
        }
    }
    
    /**
     * Unset the type
     * @param array $data
     * @return void
     */
    private static function unsetType(array $data)
    {
        unset($data['type']);
    }

}