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   1  <?php
   2  
   3  final class PhameBlogFeedController extends PhameController {
   4  
   5    private $id;
   6  
   7    public function shouldRequireLogin() {
   8      return false;
   9    }
  10  
  11    public function willProcessRequest(array $data) {
  12      $this->id = $data['id'];
  13    }
  14  
  15    public function processRequest() {
  16      $request = $this->getRequest();
  17      $user = $request->getUser();
  18  
  19      $blog = id(new PhameBlogQuery())
  20        ->setViewer($user)
  21        ->withIDs(array($this->id))
  22        ->executeOne();
  23      if (!$blog) {
  24        return new Aphront404Response();
  25      }
  26  
  27      $posts = id(new PhamePostQuery())
  28        ->setViewer($user)
  29        ->withBlogPHIDs(array($blog->getPHID()))
  30        ->withVisibility(PhamePost::VISIBILITY_PUBLISHED)
  31        ->execute();
  32  
  33      $blog_uri = PhabricatorEnv::getProductionURI(
  34        $this->getApplicationURI('blog/feed/'.$blog->getID().'/'));
  35      $content = array();
  36      $content[] = phutil_tag('title', array(), $blog->getName());
  37      $content[] = phutil_tag('id', array(), $blog_uri);
  38      $content[] = phutil_tag('link',
  39        array(
  40          'rel' => 'self',
  41          'type' => 'application/atom+xml',
  42          'href' => $blog_uri,
  43        ));
  44  
  45      $updated = $blog->getDateModified();
  46      if ($posts) {
  47        $updated = max($updated, max(mpull($posts, 'getDateModified')));
  48      }
  49      $content[] = phutil_tag('updated', array(), date('c', $updated));
  50  
  51      $description = $blog->getDescription();
  52      if ($description != '') {
  53        $content[] = phutil_tag('subtitle', array(), $description);
  54      }
  55  
  56      $engine = id(new PhabricatorMarkupEngine())->setViewer($user);
  57      foreach ($posts as $post) {
  58        $engine->addObject($post, PhamePost::MARKUP_FIELD_BODY);
  59      }
  60      $engine->process();
  61  
  62      $blogger_phids = mpull($posts, 'getBloggerPHID');
  63      $bloggers = id(new PhabricatorHandleQuery())
  64        ->setViewer($user)
  65        ->withPHIDs($blogger_phids)
  66        ->execute();
  67  
  68      foreach ($posts as $post) {
  69        $content[] = hsprintf('<entry>');
  70        $content[] = phutil_tag('title', array(), $post->getTitle());
  71        $content[] = phutil_tag('link', array('href' => $post->getViewURI()));
  72  
  73        $content[] = phutil_tag('id', array(), PhabricatorEnv::getProductionURI(
  74          '/phame/post/view/'.$post->getID().'/'));
  75  
  76        $content[] = hsprintf(
  77          '<author><name>%s</name></author>',
  78          $bloggers[$post->getBloggerPHID()]->getFullName());
  79  
  80        $content[] = phutil_tag(
  81          'updated',
  82          array(),
  83          date('c', $post->getDateModified()));
  84  
  85        $content[] = hsprintf(
  86          '<content type="xhtml">'.
  87          '<div xmlns="http://www.w3.org/1999/xhtml">%s</div>'.
  88          '</content>',
  89          $engine->getOutput($post, PhamePost::MARKUP_FIELD_BODY));
  90  
  91        $content[] = hsprintf('</entry>');
  92      }
  93  
  94      $content = phutil_tag(
  95        'feed',
  96        array('xmlns' => 'http://www.w3.org/2005/Atom'),
  97        $content);
  98  
  99      return id(new AphrontFileResponse())
 100        ->setMimeType('application/xml')
 101        ->setContent($content);
 102    }
 103  
 104  }