Modernize MetaMTA message detail

Summary: Ref T3306. I'm going to add more information about To/Cc here, but here's a little cleanup first.

Test Plan: {F49524}

Reviewers: chad, btrahan

Reviewed By: chad

CC: aran

Maniphest Tasks: T3306

Differential Revision: https://secure.phabricator.com/D6410

src/applications/metamta/controller/PhabricatorMetaMTAViewController.php

@@ -19,51 +19,65 @@ final class PhabricatorMetaMTAViewController
       return new Aphront404Response();
     }
 
-    $status = PhabricatorMetaMTAMail::getReadableStatus($mail->getStatus());
+    $crumbs = $this->buildApplicationCrumbs();
+    $crumbs->addCrumb(
+      id(new PhabricatorCrumbView())
+        ->setName(pht('Mail %d', $mail->getID())));
 
-    $form = new AphrontFormView();
-    $form->setUser($request->getUser());
-    $form
-      ->appendChild(
-        id(new AphrontFormStaticControl())
-          ->setLabel(pht('Subject'))
-          ->setValue($mail->getSubject()))
-      ->appendChild(
-        id(new AphrontFormStaticControl())
-          ->setLabel(pht('Created'))
-          ->setValue(phabricator_datetime($mail->getDateCreated(), $user)))
-      ->appendChild(
-        id(new AphrontFormStaticControl())
-          ->setLabel(pht('Status'))
-          ->setValue($status))
-      ->appendChild(
-        id(new AphrontFormStaticControl())
-          ->setLabel(pht('Retry Count'))
-          ->setValue($mail->getRetryCount()))
-      ->appendChild(
-        id(new AphrontFormStaticControl())
-          ->setLabel(pht('Message'))
-          ->setValue($mail->getMessage()))
-      ->appendChild(
-        id(new AphrontFormStaticControl())
-          ->setLabel(pht('Related PHID'))
-          ->setValue($mail->getRelatedPHID()))
-      ->appendChild(
-        id(new AphrontFormSubmitControl())
-          ->addCancelButton($this->getApplicationURI(), pht('Done')));
+    $header = id(new PhabricatorHeaderView())
+      ->setHeader(pht('Mail: %s', $mail->getSubject()));
 
-    $panel = new AphrontPanelView();
-    $panel->setHeader(pht('View Email'));
-    $panel->appendChild($form);
-    $panel->setWidth(AphrontPanelView::WIDTH_WIDE);
-    $panel->setNoBackground();
+    $properties = $this->buildPropertyListView($mail);
 
     return $this->buildApplicationPage(
-      $panel,
+      array(
+        $crumbs,
+        $header,
+        $properties,
+      ),
       array(
         'title' => pht('View Mail'),
         'device' => true,
+        'dust' => true,
       ));
   }
 
+  private function buildPropertyListView(PhabricatorMetaMTAMail $mail) {
+    $viewer = $this->getRequest()->getUser();
+
+    $related_phid = $mail->getRelatedPHID();
+
+    $view = id(new PhabricatorPropertyListView())
+      ->setUser($viewer);
+
+    $view->addProperty(
+      pht('Status'),
+      PhabricatorMetaMTAMail::getReadableStatus($mail->getStatus()));
+
+    $view->addProperty(
+      pht('Retry Count'),
+      $mail->getRetryCount());
+
+    $view->addProperty(
+      pht('Delivery Message'),
+      nonempty($mail->getMessage(), '-'));
+
+    $view->addProperty(
+      pht('Created'),
+      phabricator_datetime($mail->getDateCreated(), $viewer));
+
+    $phids = array();
+    $phids[] = $related_phid;
+    $handles = $this->loadViewerHandles($phids);
+
+    if ($related_phid) {
+      $related_object = $handles[$related_phid]->renderLink();
+    } else {
+      $related_object = phutil_tag('em', array(), pht('None'));
+    }
+
+    $view->addProperty(pht('Related Object'), $related_object);
+
+    return $view;
+  }
 }