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<?php

    namespace Inteve\FeedGenerator\Responses;

    use Inteve\FeedGenerator\IFeed;
    use Inteve\FeedGenerator\Outputs;
    use Nette;


    class NetteDownloadResponse implements Nette\Application\IResponse
    {
        /** @var IFeed */
        private $feed;

        /** @var string */
        private $filename;

        /** @var bool */
        private $forceDownload;


        /**
         * @param  IFeed
         * @param  string
         * @param  bool
         */
        public function __construct(IFeed $feed, $filename, $forceDownload = TRUE)
        {
            $this->feed = $feed;
            $this->filename = $filename;
            $this->forceDownload = $forceDownload;
        }


        /**
         * Sends response to output.
         * @return void
         */
        public function send(Nette\Http\IRequest $httpRequest, Nette\Http\IResponse $httpResponse)
        {
            $httpResponse->setContentType($this->feed->getContentType());
            $httpResponse->setHeader('Content-Disposition',
                ($this->forceDownload ? 'attachment' : 'inline')
                    . '; filename="' . $this->filename . '"'
                    . '; filename*=utf-8\'\'' . rawurlencode($this->filename));

            $this->feed->generate(new Outputs\DirectOutput);
        }
    }