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   1  <?php
   2  
   3  final class DiffusionExternalController extends DiffusionController {
   4  
   5    public function willProcessRequest(array $data) {
   6      // Don't build a DiffusionRequest.
   7    }
   8  
   9    public function shouldAllowPublic() {
  10      return true;
  11    }
  12  
  13    public function processRequest() {
  14      $request = $this->getRequest();
  15  
  16      $uri = $request->getStr('uri');
  17      $id  = $request->getStr('id');
  18  
  19      $repositories = id(new PhabricatorRepositoryQuery())
  20        ->setViewer($request->getUser())
  21        ->execute();
  22  
  23      if ($uri) {
  24        $uri_path = id(new PhutilURI($uri))->getPath();
  25        $matches = array();
  26  
  27        // Try to figure out which tracked repository this external lives in by
  28        // comparing repository metadata. We look for an exact match, but accept
  29        // a partial match.
  30  
  31        foreach ($repositories as $key => $repository) {
  32          $remote_uri = new PhutilURI($repository->getRemoteURI());
  33          if ($remote_uri->getPath() == $uri_path) {
  34            $matches[$key] = 1;
  35          }
  36          if ($repository->getPublicCloneURI() == $uri) {
  37            $matches[$key] = 2;
  38          }
  39          if ($repository->getRemoteURI() == $uri) {
  40            $matches[$key] = 3;
  41          }
  42        }
  43  
  44        arsort($matches);
  45        $best_match = head_key($matches);
  46  
  47        if ($best_match) {
  48          $repository = $repositories[$best_match];
  49          $redirect = DiffusionRequest::generateDiffusionURI(
  50            array(
  51              'action'    => 'browse',
  52              'callsign'  => $repository->getCallsign(),
  53              'branch'    => $repository->getDefaultBranch(),
  54              'commit'    => $id,
  55            ));
  56          return id(new AphrontRedirectResponse())->setURI($redirect);
  57        }
  58      }
  59  
  60      // TODO: This is a rare query but does a table scan, add a key?
  61  
  62      $commits = id(new PhabricatorRepositoryCommit())->loadAllWhere(
  63        'commitIdentifier = %s',
  64        $id);
  65  
  66      if (empty($commits)) {
  67        $desc = null;
  68        if ($uri) {
  69          $desc = $uri.', at ';
  70        }
  71        $desc .= $id;
  72  
  73        $content = id(new AphrontErrorView())
  74          ->setTitle(pht('Unknown External'))
  75          ->setSeverity(AphrontErrorView::SEVERITY_WARNING)
  76          ->appendChild(phutil_tag(
  77            'p',
  78            array(),
  79            pht('This external (%s) does not appear in any tracked '.
  80            'repository. It may exist in an untracked repository that '.
  81            'Diffusion does not know about.', $desc)));
  82      } else if (count($commits) == 1) {
  83        $commit = head($commits);
  84        $repo = $repositories[$commit->getRepositoryID()];
  85        $redirect = DiffusionRequest::generateDiffusionURI(
  86          array(
  87            'action'    => 'browse',
  88            'callsign'  => $repo->getCallsign(),
  89            'branch'    => $repo->getDefaultBranch(),
  90            'commit'    => $commit->getCommitIdentifier(),
  91          ));
  92        return id(new AphrontRedirectResponse())->setURI($redirect);
  93      } else {
  94  
  95        $rows = array();
  96        foreach ($commits as $commit) {
  97          $repo = $repositories[$commit->getRepositoryID()];
  98          $href = DiffusionRequest::generateDiffusionURI(
  99            array(
 100              'action'    => 'browse',
 101              'callsign'  => $repo->getCallsign(),
 102              'branch'    => $repo->getDefaultBranch(),
 103              'commit'    => $commit->getCommitIdentifier(),
 104            ));
 105          $rows[] = array(
 106            phutil_tag(
 107              'a',
 108              array(
 109                'href' => $href,
 110              ),
 111                'r'.$repo->getCallsign().$commit->getCommitIdentifier()),
 112            $commit->loadCommitData()->getSummary(),
 113          );
 114        }
 115  
 116        $table = new AphrontTableView($rows);
 117        $table->setHeaders(
 118          array(
 119            pht('Commit'),
 120            pht('Description'),
 121          ));
 122        $table->setColumnClasses(
 123          array(
 124            'pri',
 125            'wide',
 126          ));
 127  
 128        $content = new AphrontPanelView();
 129        $content->setHeader(pht('Multiple Matching Commits'));
 130        $content->setCaption(
 131          pht('This external reference matches multiple known commits.'));
 132        $content->appendChild($table);
 133      }
 134  
 135      return $this->buildApplicationPage(
 136        $content,
 137        array(
 138          'title' => pht('Unresolvable External'),
 139        ));
 140    }
 141  
 142  }