Webservice/Services/Webservice.php

<?php

namespace WebserviceBundle\Services;

class Webservice
{

    protected $serviceContainer;

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

    /**
     * @param string $webservice
     * @param array $params
     * @return array
     */
    public function getChoices($webservice, $params = array())
    {
        $choices = array();
        if ($this->serviceContainer->hasParameter($webservice)) {
            $url = $this->serviceContainer->getParameter($webservice);
            $objectsJson = json_decode(file_get_contents($url), true);
            foreach ($objectsJson as $object) {
                $choices["{$object['name']} - {$object['external_id']}"] = $object['id'];
            }
        }

        return $choices;
    }

    /**
     * @param string $webservice
     * @param array $filters
     * @param array $order_by
     * @param integer $limit
     * @param integer $offset
     * @return array
     */
    public function getData($webservice, $filters = array(), $order_by = array(), $limit = null, $offset = null)
    {
        if ($this->serviceContainer->hasParameter($webservice)) {
            $url = $this->serviceContainer->getParameter($webservice) . "?";
            
            if($filters) {

                $url .= http_build_query(array('filters' => $filters));
            }
            
            if($order_by) {
                $url .= http_build_query(array('order_by' => $order_by));
            }
            
            if($limit) {
                $url .= "&limit={$limit}";
            }
            
            if($offset) {
                $url .= "&offset={$offset}";
            }

            $data = json_decode(file_get_contents($url), true);

            //$data['url'] = $url;

            return $data;
        }

        return array();
    }

}