<?php

class Application_Common_HTTPHelper
{
    /**
     * Returns start and end DateTime vars from given
     * HTTP Request object.
     *
     * @param Request
     * @param mixed $request
     *
     * @return array(start DateTime, end DateTime)
     */
    public static function getStartEndFromRequest($request)
    {
        return Application_Common_DateHelper::getStartEnd(
            $request->getParam('start', null),
            $request->getParam('end', null),
            $request->getParam('timezone', null)
        );
    }

    /**
     * Execute a cURL POST.
     *
     * @param string   $url      the URL to POST to
     * @param string[] $userPwd  array of user args of the form ['user', 'pwd']
     * @param array    $formData array of form data kwargs
     *
     * @return mixed the cURL result
     */
    public static function doPost($url, $userPwd, $formData)
    {
        $params = '';
        foreach ($formData as $key => $value) {
            $params .= $key . '=' . $value . '&';
        }
        rtrim($params, '&');

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
        curl_setopt($ch, CURLOPT_USERPWD, implode(':', $userPwd));
        $result = curl_exec($ch);
        curl_close($ch);

        return $result;
    }
}

class ZendActionHttpException extends Exception
{
    /**
     * @param int       $statusCode
     * @param string    $message
     * @param int       $code
     * @param Exception $previous
     *
     * @throws Zend_Controller_Response_Exception
     */
    public function __construct(
        Zend_Controller_Action $action,
        $statusCode,
        $message,
        $code = 0,
        Exception $previous = null
    ) {
        Logging::error('Error in action ' . $action->getRequest()->getActionName()
            . " with status code {$statusCode}: {$message}");
        $action->getResponse()
            ->setHttpResponseCode($statusCode)
            ->appendBody($message);
        parent::__construct($message, $code, $previous);
    }
}