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   1  <?php
   2  
   3  final class PhrictionHistoryController
   4    extends PhrictionController {
   5  
   6    private $slug;
   7  
   8    public function shouldAllowPublic() {
   9      return true;
  10    }
  11  
  12    public function willProcessRequest(array $data) {
  13      $this->slug = $data['slug'];
  14    }
  15  
  16    public function processRequest() {
  17  
  18      $request = $this->getRequest();
  19      $user = $request->getUser();
  20  
  21      $document = id(new PhrictionDocumentQuery())
  22        ->setViewer($user)
  23        ->withSlugs(array(PhabricatorSlug::normalize($this->slug)))
  24        ->needContent(true)
  25        ->executeOne();
  26      if (!$document) {
  27        return new Aphront404Response();
  28      }
  29  
  30      $current = $document->getContent();
  31  
  32      $pager = new AphrontPagerView();
  33      $pager->setOffset($request->getInt('page'));
  34      $pager->setURI($request->getRequestURI(), 'page');
  35  
  36      $history = id(new PhrictionContent())->loadAllWhere(
  37        'documentID = %d ORDER BY version DESC LIMIT %d, %d',
  38        $document->getID(),
  39        $pager->getOffset(),
  40        $pager->getPageSize() + 1);
  41      $history = $pager->sliceResults($history);
  42  
  43      $author_phids = mpull($history, 'getAuthorPHID');
  44      $handles = $this->loadViewerHandles($author_phids);
  45  
  46      $list = new PHUIObjectItemListView();
  47      $list->setFlush(true);
  48  
  49      foreach ($history as $content) {
  50  
  51        $author = $handles[$content->getAuthorPHID()]->renderLink();
  52        $slug_uri = PhrictionDocument::getSlugURI($document->getSlug());
  53        $version = $content->getVersion();
  54  
  55        $diff_uri = new PhutilURI('/phriction/diff/'.$document->getID().'/');
  56  
  57        $vs_previous = null;
  58        if ($content->getVersion() != 1) {
  59          $vs_previous = $diff_uri
  60            ->alter('l', $content->getVersion() - 1)
  61            ->alter('r', $content->getVersion());
  62        }
  63  
  64        $vs_head = null;
  65        if ($content->getID() != $document->getContentID()) {
  66          $vs_head = $diff_uri
  67            ->alter('l', $content->getVersion())
  68            ->alter('r', $current->getVersion());
  69        }
  70  
  71        $change_type = PhrictionChangeType::getChangeTypeLabel(
  72          $content->getChangeType());
  73        switch ($content->getChangeType()) {
  74          case PhrictionChangeType::CHANGE_DELETE:
  75            $color = 'red';
  76            break;
  77          case PhrictionChangeType::CHANGE_EDIT:
  78            $color = 'blue';
  79            break;
  80          case PhrictionChangeType::CHANGE_MOVE_HERE:
  81              $color = 'yellow';
  82            break;
  83          case PhrictionChangeType::CHANGE_MOVE_AWAY:
  84              $color = 'orange';
  85            break;
  86          case PhrictionChangeType::CHANGE_STUB:
  87            $color = 'green';
  88            break;
  89          default:
  90            throw new Exception('Unknown change type!');
  91            break;
  92        }
  93  
  94        $item = id(new PHUIObjectItemView())
  95          ->setHeader(pht('%s by %s', $change_type, $author))
  96          ->setBarColor($color)
  97          ->addAttribute(
  98            phutil_tag(
  99              'a',
 100              array(
 101                'href' => $slug_uri.'?v='.$version,
 102              ),
 103              pht('Version %s', $version)))
 104          ->addAttribute(pht('%s %s',
 105            phabricator_date($content->getDateCreated(), $user),
 106            phabricator_time($content->getDateCreated(), $user)));
 107  
 108        if ($content->getDescription()) {
 109          $item->addAttribute($content->getDescription());
 110        }
 111  
 112        if ($vs_previous) {
 113          $item->addIcon(
 114            'fa-reply',
 115            pht('Show Change'),
 116            array(
 117              'href' => $vs_previous,
 118            ));
 119        } else {
 120          $item->addIcon(
 121            'fa-reply grey',
 122            phutil_tag('em', array(), pht('No previous change')));
 123        }
 124  
 125        if ($vs_head) {
 126          $item->addIcon(
 127            'fa-reply-all',
 128            pht('Show Later Changes'),
 129            array(
 130              'href' => $vs_head,
 131            ));
 132        } else {
 133          $item->addIcon(
 134            'fa-reply-all grey',
 135            phutil_tag('em', array(), pht('No later changes')));
 136        }
 137  
 138        $list->addItem($item);
 139      }
 140  
 141      $crumbs = $this->buildApplicationCrumbs();
 142      $crumb_views = $this->renderBreadcrumbs($document->getSlug());
 143      foreach ($crumb_views as $view) {
 144        $crumbs->addCrumb($view);
 145      }
 146      $crumbs->addTextCrumb(
 147        pht('History'),
 148        PhrictionDocument::getSlugURI($document->getSlug(), 'history'));
 149  
 150      $header = new PHUIHeaderView();
 151      $header->setHeader(pht('Document History for %s',
 152        phutil_tag(
 153          'a',
 154          array('href' => PhrictionDocument::getSlugURI($document->getSlug())),
 155          head($history)->getTitle())));
 156  
 157      $obj_box = id(new PHUIObjectBoxView())
 158        ->setHeader($header)
 159        ->appendChild($list)
 160        ->appendChild($pager);
 161  
 162      return $this->buildApplicationPage(
 163        array(
 164          $crumbs,
 165          $obj_box,
 166        ),
 167        array(
 168          'title'     => pht('Document History'),
 169        ));
 170  
 171    }
 172  
 173  }