Start changing DiffusionCommitController to use identities

Summary: Depends on D19491.

Test Plan: Viewed some commits where the identity was mapped to a user and another that wasn't; saw the header render either a link to the user or the identity object.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D19492

src/applications/diffusion/controller/DiffusionCommitController.php

@@ -46,6 +46,7 @@ final class DiffusionCommitController extends DiffusionController {
       ->needCommitData(true)
       ->needAuditRequests(true)
       ->setLimit(100)
+      ->needIdentities(true)
       ->execute();
 
     $multiple_results = count($commits) > 1;
@@ -504,15 +505,13 @@ final class DiffusionCommitController extends DiffusionController {
 
     $phids = $edge_query->getDestinationPHIDs(array($commit_phid));
 
-    if ($data->getCommitDetail('authorPHID')) {
-      $phids[] = $data->getCommitDetail('authorPHID');
-    }
+
     if ($data->getCommitDetail('reviewerPHID')) {
       $phids[] = $data->getCommitDetail('reviewerPHID');
     }
-    if ($data->getCommitDetail('committerPHID')) {
-      $phids[] = $data->getCommitDetail('committerPHID');
-    }
+
+    $phids[] = $commit->getCommitterDisplayPHID();
+    $phids[] = $commit->getAuthorDisplayPHID();
 
     // NOTE: We should never normally have more than a single push log, but
     // it can occur naturally if a commit is pushed, then the branch it was
@@ -573,24 +572,11 @@ final class DiffusionCommitController extends DiffusionController {
       }
     }
 
-    $author_phid = $data->getCommitDetail('authorPHID');
-    $author_name = $data->getAuthorName();
     $author_epoch = $data->getCommitDetail('authorEpoch');
 
     $committed_info = id(new PHUIStatusItemView())
-      ->setNote(phabricator_datetime($commit->getEpoch(), $viewer));
-
-    $committer_phid = $data->getCommitDetail('committerPHID');
-    $committer_name = $data->getCommitDetail('committer');
-    if ($committer_phid) {
-      $committed_info->setTarget($handles[$committer_phid]->renderLink());
-    } else if (strlen($committer_name)) {
-      $committed_info->setTarget($committer_name);
-    } else if ($author_phid) {
-      $committed_info->setTarget($handles[$author_phid]->renderLink());
-    } else if (strlen($author_name)) {
-      $committed_info->setTarget($author_name);
-    }
+      ->setNote(phabricator_datetime($commit->getEpoch(), $viewer))
+      ->setTarget($commit->renderAnyCommitter($viewer, $handles));
 
     $committed_list = new PHUIStatusListView();
     $committed_list->addItem($committed_info);
@@ -716,7 +702,7 @@ final class DiffusionCommitController extends DiffusionController {
       return null;
     }
 
-    $author_phid = $data->getCommitDetail('authorPHID');
+    $author_phid = $commit->getAuthorDisplayPHID();
     $author_name = $data->getAuthorName();
     $author_epoch = $data->getCommitDetail('authorEpoch');
     $date = null;
@@ -748,10 +734,8 @@ final class DiffusionCommitController extends DiffusionController {
       ->setImage($image_uri)
       ->setImageHref($image_href)
       ->setContent($content);
-
   }
 
-
   private function buildComments(PhabricatorRepositoryCommit $commit) {
     $timeline = $this->buildTransactionTimeline(
       $commit,