Use action list and property list elements in Ponder

Summary: This is sort of silly as-is, but automatically exposes flagging and will give subscribe/unsubscribe and "Subscribers" a place to plug into shortly. For context, see D3637 and T1808.

Test Plan: {F20550}

Reviewers: pieter, btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T1808

Differential Revision: https://secure.phabricator.com/D3641

src/applications/ponder/controller/PonderQuestionViewController.php

@@ -52,6 +52,7 @@ final class PonderQuestionViewController extends PonderController {
     }
 
     $handles = $this->loadViewerHandles($object_phids);
+    $this->loadHandles($object_phids);
 
     $detail_panel = new PonderQuestionDetailView();
     $detail_panel
@@ -72,9 +73,19 @@ final class PonderQuestionViewController extends PonderController {
       ->setUser($user)
       ->setActionURI("/ponder/answer/add/");
 
+    $header = id(new PhabricatorHeaderView())
+      ->setObjectName('Q'.$question->getID())
+      ->setHeader($question->getTitle());
+
+    $actions = $this->buildActionListView($question);
+    $properties = $this->buildPropertyListView($question);
+
     $nav = $this->buildSideNavView($question);
     $nav->appendChild(
       array(
+        $header,
+        $actions,
+        $properties,
         $detail_panel,
         $responses_panel,
         $answer_add_panel
@@ -89,4 +100,29 @@ final class PonderQuestionViewController extends PonderController {
         'title' => 'Q'.$question->getID().' '.$question->getTitle()
       ));
   }
+
+  private function buildActionListView(PonderQuestion $question) {
+    $viewer = $this->getRequest()->getUser();
+    $view = new PhabricatorActionListView();
+
+    $view->setUser($viewer);
+    $view->setObject($question);
+
+    return $view;
+  }
+
+  private function buildPropertyListView(PonderQuestion $question) {
+    $viewer = $this->getRequest()->getUser();
+    $view = new PhabricatorPropertyListView();
+
+    $view->addProperty(
+      pht('Author'),
+      $this->getHandle($question->getAuthorPHID())->renderLink());
+
+    $view->addProperty(
+      pht('Created'),
+      phabricator_datetime($question->getDateCreated(), $viewer));
+
+    return $view;
+  }
 }

src/applications/ponder/view/PonderQuestionDetailView.php

@@ -45,10 +45,7 @@ final class PonderQuestionDetailView extends AphrontView {
     $user = $this->user;
 
     $panel = id(new AphrontPanelView())
-      ->addClass("ponder-panel")
+      ->addClass("ponder-panel");
-      ->setHeader(
-        $this->renderObjectLink().' '.
-        phutil_escape_html($question->getTitle()));
 
     $contentview = new PonderPostBodyView();
     $contentview
@@ -73,12 +70,4 @@ final class PonderQuestionDetailView extends AphrontView {
     return $panel->render();
   }
 
-  private function renderObjectLink() {
-    return phutil_render_tag(
-        'a',
-        array('href' => '/Q' . $this->question->getID()),
-        "Q". phutil_escape_html($this->question->getID())
-      );
-  }
-
 }

src/view/layout/PhabricatorActionListView.php

@@ -53,6 +53,10 @@ final class PhabricatorActionListView extends AphrontView {
 
     $actions = $event->getValue('actions');
 
+    if (!$actions) {
+      return null;
+    }
+
     require_celerity_resource('phabricator-action-list-view-css');
     return phutil_render_tag(
       'ul',