src/applications/phame/controller/blog/PhameBlogFeedController.php

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