Display revision number in history

Test Plan:
Displayed repository.
Displayed repository history.
Wondered that we actually have bunch of commits without a revision.
Displayed blame.
Didn't display merge commit.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D2840

src/applications/differential/storage/DifferentialRevision.php

@@ -69,6 +69,18 @@ final class DifferentialRevision extends DifferentialDAO {
     return $this;
   }
 
+  public function loadIDsByCommitPHIDs($phids) {
+    if (!$phids) {
+      return array();
+    }
+    $revision_ids = queryfx_all(
+      $this->establishConnection('r'),
+      'SELECT * FROM %T WHERE commitPHID IN (%Ls)',
+      self::TABLE_COMMIT,
+      $phids);
+    return ipull($revision_ids, 'revisionID', 'commitPHID');
+  }
+
   public function loadCommitPHIDs() {
     if (!$this->getID()) {
       return ($this->commits = array());

src/applications/diffusion/controller/DiffusionBrowseFileController.php

@@ -388,21 +388,14 @@ final class DiffusionBrowseFileController extends DiffusionController {
       $commits = mpull($commits, null, 'getCommitIdentifier');
     }
 
-    $revision_ids = array();
+    $revision_ids = id(new DifferentialRevision())
+      ->loadIDsByCommitPHIDs(mpull($commits, 'getPHID'));
     $revisions = array();
-    if ($commits) {
-      $revision_ids = queryfx_all(
-        id(new DifferentialRevision())->establishConnection('r'),
-        'SELECT * FROM %T WHERE commitPHID IN (%Ls)',
-        DifferentialRevision::TABLE_COMMIT,
-        mpull($commits, 'getPHID'));
     if ($revision_ids) {
-        $revision_ids = ipull($revision_ids, 'revisionID', 'commitPHID');
       $revisions = id(new DifferentialRevision())->loadAllWhere(
         'id IN (%Ld)',
         $revision_ids);
     }
-    }
 
     $request = $this->getRequest();
     $user = $request->getUser();

src/applications/diffusion/controller/DiffusionCommitController.php

@@ -682,6 +682,7 @@ final class DiffusionCommitController extends DiffusionController {
     $history_table = new DiffusionHistoryTableView();
     $history_table->setDiffusionRequest($drequest);
     $history_table->setHistory($merges);
+    $history_table->loadRevisions();
 
     $phids = $history_table->getRequiredHandlePHIDs();
     $handles = id(new PhabricatorObjectHandleData($phids))->loadHandles();

src/applications/diffusion/controller/DiffusionHistoryController.php

@@ -81,6 +81,7 @@ final class DiffusionHistoryController extends DiffusionController {
     $history_table = new DiffusionHistoryTableView();
     $history_table->setDiffusionRequest($drequest);
     $history_table->setHistory($history);
+    $history_table->loadRevisions();
 
     $phids = $history_table->getRequiredHandlePHIDs();
     $handles = id(new PhabricatorObjectHandleData($phids))->loadHandles();

src/applications/diffusion/controller/DiffusionRepositoryController.php

@@ -70,6 +70,7 @@ final class DiffusionRepositoryController extends DiffusionController {
     $history_table->setDiffusionRequest($drequest);
     $history_table->setHandles($handles);
     $history_table->setHistory($history);
+    $history_table->loadRevisions();
     $history_table->setParents($history_query->getParents());
     $history_table->setIsHead(true);
 

src/applications/diffusion/view/DiffusionHistoryTableView.php

@@ -19,6 +19,7 @@
 final class DiffusionHistoryTableView extends DiffusionView {
 
   private $history;
+  private $revisions = array();
   private $handles = array();
   private $isHead;
   private $parents;
@@ -29,6 +30,18 @@ final class DiffusionHistoryTableView extends DiffusionView {
     return $this;
   }
 
+  public function loadRevisions() {
+    $commit_phids = array();
+    foreach ($this->history as $item) {
+      if ($item->getCommit()) {
+        $commit_phids[] = $item->getCommit()->getPHID();
+      }
+    }
+    $this->revisions = id(new DifferentialRevision())
+      ->loadIDsByCommitPHIDs($commit_phids);
+    return $this;
+  }
+
   public function setHandles(array $handles) {
     assert_instances_of($handles, 'PhabricatorObjectHandle');
     $this->handles = $handles;
@@ -134,6 +147,9 @@ final class DiffusionHistoryTableView extends DiffusionView {
         self::linkCommit(
           $drequest->getRepository(),
           $history->getCommitIdentifier()),
+        ($commit ?
+          self::linkRevision(idx($this->revisions, $commit->getPHID())) :
+          null),
         $change,
         $date,
         $time,
@@ -150,6 +166,7 @@ final class DiffusionHistoryTableView extends DiffusionView {
         'Browse',
         '',
         'Commit',
+        'Revision',
         'Change',
         'Date',
         'Time',
@@ -161,6 +178,7 @@ final class DiffusionHistoryTableView extends DiffusionView {
         '',
         'threads',
         'n',
+        'n',
         '',
         '',
         'right',

src/applications/diffusion/view/DiffusionView.php

@@ -134,4 +134,17 @@ abstract class DiffusionView extends AphrontView {
       $commit_name);
   }
 
+  final public static function linkRevision($id) {
+    if (!$id) {
+      return null;
+    }
+
+    return phutil_render_tag(
+      'a',
+      array(
+        'href' => "/D{$id}",
+      ),
+      "D{$id}");
+  }
+
 }