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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Copyright (c) 2016-2016} Andreas Heigl<[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Permission is hereby granted, free of charge, to any person obtaining a copy  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * of this software and associated documentation files (the "Software"), to deal  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * in the Software without restriction, including without limitation the rights  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * copies of the Software, and to permit persons to whom the Software is  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * furnished to do so, subject to the following conditions:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * The above copyright notice and this permission notice shall be included in  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * all copies or substantial portions of the Software.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * THE SOFTWARE.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author    Andreas Heigl<[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright 2016-2016 Andreas Heigl  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license   http://www.opensource.org/licenses/mit-license.php MIT-License  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @version   0.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @since     16.01.2016  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @link      http://github.com/heiglandreas/callingallpapers  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Callingallpapers\Api\Renderer;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Psr\Http\Message\ResponseInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Zend\Feed\Writer\Feed;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class RssRenderer  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param Response $response  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param array $data  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param int $status  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return ResponseInterface  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                        
            
                                    
            
            
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                    public function render(ResponseInterface $response, array $data = [], $status = 200)  | 
            
            
                                                        
            
                                    
            
            
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                    { | 
            
            
                                                        
            
                                    
            
            
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                        $feed = new Feed();  | 
            
            
                                                        
            
                                    
            
            
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                        $feed->setTitle('Calling all Papers'); | 
            
            
                                                        
            
                                    
            
            
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                        $feed->setDescription('Calls for Papers that are currently open'); | 
            
            
                                                        
            
                                    
            
            
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                        $feed->setLink('http://callingallpapers.com'); | 
            
            
                                                        
            
                                    
            
            
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                        $feed->setFeedLink('http://api.callingallpapers.com/v1/cfp', 'rss'); | 
            
            
                                                        
            
                                    
            
            
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                        $feed->setFeedLink('http://api.callingallpapers.com/v1/cfp', 'atom'); | 
            
            
                                                        
            
                                    
            
            
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                        $feed->addAuthor([  | 
            
            
                                                        
            
                                    
            
            
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                            'name' => 'Andreas Heigl',  | 
            
            
                                                        
            
                                    
            
            
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                            'email' => '[email protected]',  | 
            
            
                                                        
            
                                    
            
            
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                            'uri'   => 'http://andreas.heigl.org',  | 
            
            
                                                        
            
                                    
            
            
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                        ]);  | 
            
            
                                                        
            
                                    
            
            
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                        $feed->setDateModified(time());  | 
            
            
                                                        
            
                                    
            
            
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                        if (! isset($data['cfps'])) { | 
            
            
                                                        
            
                                    
            
            
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                            $data['cfps'] = [];  | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                        foreach ($data['cfps'] as $cfp) { | 
            
            
                                                        
            
                                    
            
            
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                            $lastChange = new \DateTime($cfp['lastChange']);  | 
            
            
                                                        
            
                                    
            
            
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                            $lastChange->setTimezone(new \DateTimeZone('UTC')); | 
            
            
                                                        
            
                                    
            
            
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                            $entry = $feed->createEntry();  | 
            
            
                                                        
            
                                    
            
            
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                            $entry->setTitle($cfp['name']);  | 
            
            
                                                        
            
                                    
            
            
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                            $entry->setLink($cfp['uri']);  | 
            
            
                                                        
            
                                    
            
            
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                            $entry->setDateModified(new \DateTime($cfp['dateCfpEnd']));  | 
            
            
                                                        
            
                                    
            
            
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                            $entry->setDateCreated(new \DateTime($cfp['dateCfpEnd']));  | 
            
            
                                                        
            
                                    
            
            
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                            $entry->setDescription(sprintf(  | 
            
            
                                                        
            
                                    
            
            
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                                'CfP for %3$s runs from %1$s to %2$s',  | 
            
            
                                                        
            
                                    
            
            
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                                (new \DateTime($cfp['dateCfpStart']))->format('c'), | 
            
            
                                                        
            
                                    
            
            
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                                (new \DateTime($cfp['dateCfpEnd']))->format('c'), | 
            
            
                                                        
            
                                    
            
            
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                                $cfp['name']  | 
            
            
                                                        
            
                                    
            
            
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                            ));  | 
            
            
                                                        
            
                                    
            
            
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                            $entry->setContent($cfp['description']);  | 
            
            
                                                        
            
                                    
            
            
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                            $feed->addEntry($entry);  | 
            
            
                                                        
            
                                    
            
            
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                        }  | 
            
            
                                                        
            
                                    
            
            
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                        $response = $response->withHeader('Content-Type', 'application/rss+xml'); | 
            
            
                                                        
            
                                    
            
            
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                        $response = $response->withStatus($status);  | 
            
            
                                                        
            
                                    
            
            
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                        $stream = $response->getBody();  | 
            
            
                                                        
            
                                    
            
            
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                        $stream->write($feed->export('rss')); | 
            
            
                                                        
            
                                    
            
            
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                        return $response->withBody($stream);  | 
            
            
                                                        
            
                                    
            
            
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                    }  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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