Simplify policy header implementation

Summary: Instead of rendering this in all callers, just pass the object into the header and let it figure out how to format it.

Test Plan: Looked at Legalpad, Paste, and Pholio.

Reviewers: chad, btrahan

Reviewed By: chad

CC: aran

Differential Revision: https://secure.phabricator.com/D7039

src/applications/diviner/controller/DivinerBookController.php

@@ -32,15 +32,10 @@ final class DivinerBookController extends DivinerController {
         ->setName($book->getShortTitle())
         ->setHref('/book/'.$book->getName().'/'));
 
-    $policies = PhabricatorPolicyQuery::renderPolicyDescriptions(
-      $viewer,
-      $book,
-      true);
-
     $header = id(new PHUIHeaderView())
       ->setHeader($book->getTitle())
-      ->addProperty(PHUIHeaderView::PROPERTY_POLICY,
-        $policies[PhabricatorPolicyCapability::CAN_VIEW]);
+      ->setUser($viewer)
+      ->setPolicyObject($book);
 
     $document = new PHUIDocumentView();
     $document->setHeader($header);

src/applications/legalpad/controller/LegalpadDocumentViewController.php

@@ -61,15 +61,10 @@ final class LegalpadDocumentViewController extends LegalpadController {
 
     $title = $document_body->getTitle();
 
-    $descriptions = PhabricatorPolicyQuery::renderPolicyDescriptions(
-      $user,
-      $document,
-      true);
-
     $header = id(new PHUIHeaderView())
       ->setHeader($title)
-      ->addProperty(PHUIHeaderView::PROPERTY_POLICY,
-        $descriptions[PhabricatorPolicyCapability::CAN_VIEW]);
+      ->setUser($user)
+      ->setPolicyObject($document);
 
     $actions = $this->buildActionView($document);
     $properties = $this->buildPropertyView($document, $engine);

src/applications/paste/controller/PhabricatorPasteViewController.php

@@ -142,15 +142,11 @@ final class PhabricatorPasteViewController extends PhabricatorPasteController {
   }
 
   private function buildHeaderView(PhabricatorPaste $paste) {
-    $descriptions = PhabricatorPolicyQuery::renderPolicyDescriptions(
-      $this->getRequest()->getUser(),
-      $paste,
-      $icon = true);
-
     $header = id(new PHUIHeaderView())
       ->setHeader($paste->getTitle())
-      ->addProperty(PHUIHeaderView::PROPERTY_POLICY,
-        $descriptions[PhabricatorPolicyCapability::CAN_VIEW]);
+      ->setUser($this->getRequest()->getUser())
+      ->setPolicyObject($paste);
+
     return $header;
   }
 

src/applications/phame/controller/blog/PhameBlogViewController.php

@@ -33,15 +33,10 @@ final class PhameBlogViewController extends PhameController {
 
     $nav = $this->renderSideNavFilterView(null);
 
-    $descriptions = PhabricatorPolicyQuery::renderPolicyDescriptions(
-      $user,
-      $blog,
-      true);
-
     $header = id(new PHUIHeaderView())
       ->setHeader($blog->getName())
-      ->addProperty(PHUIHeaderView::PROPERTY_POLICY,
-        $descriptions[PhabricatorPolicyCapability::CAN_VIEW]);
+      ->setUser($user)
+      ->setPolicyObject($blog);
 
     $handle_phids = array_merge(
       mpull($posts, 'getBloggerPHID'),

src/applications/phame/controller/post/PhamePostViewController.php

@@ -34,11 +34,6 @@ final class PhamePostViewController extends PhameController {
     $actions = $this->renderActions($post, $user);
     $properties = $this->renderProperties($post, $user);
 
-    $descriptions = PhabricatorPolicyQuery::renderPolicyDescriptions(
-      $user,
-      $post,
-      true);
-
     $crumbs = $this->buildApplicationCrumbs();
     $crumbs->setActionList($actions);
     $crumbs->addCrumb(
@@ -50,8 +45,8 @@ final class PhamePostViewController extends PhameController {
     $nav->appendChild(
       id(new PHUIHeaderView())
         ->setHeader($post->getTitle())
-        ->addProperty(PHUIHeaderView::PROPERTY_POLICY,
-          $descriptions[PhabricatorPolicyCapability::CAN_VIEW]));
+        ->setUser($user)
+        ->setPolicyObject($post));
 
     if ($post->isDraft()) {
       $nav->appendChild(

src/applications/phlux/controller/PhluxViewController.php

@@ -30,15 +30,10 @@ final class PhluxViewController extends PhluxController {
         ->setName($title)
         ->setHref($request->getRequestURI()));
 
-    $descriptions = PhabricatorPolicyQuery::renderPolicyDescriptions(
-      $user,
-      $var,
-      true);
-
     $header = id(new PHUIHeaderView())
       ->setHeader($title)
-      ->addProperty(PHUIHeaderView::PROPERTY_POLICY,
-        $descriptions[PhabricatorPolicyCapability::CAN_VIEW]);
+      ->setUser($user)
+      ->setPolicyObject($var);
 
     $actions = id(new PhabricatorActionListView())
       ->setUser($user)
@@ -63,11 +58,7 @@ final class PhluxViewController extends PhluxController {
     $properties = id(new PhabricatorPropertyListView())
       ->setUser($user)
       ->setObject($var)
-      ->addProperty(pht('Value'), $display_value)
-      ->addProperty(
-        pht('Editable By'),
-        $descriptions[PhabricatorPolicyCapability::CAN_EDIT]);
-
+      ->addProperty(pht('Value'), $display_value);
 
     $xactions = id(new PhluxTransactionQuery())
       ->setViewer($user)

src/applications/pholio/controller/PholioMockViewController.php

@@ -67,15 +67,10 @@ final class PholioMockViewController extends PholioController {
 
     $title = $mock->getName();
 
-    $descriptions = PhabricatorPolicyQuery::renderPolicyDescriptions(
-      $user,
-      $mock,
-      $icon = true);
-
     $header = id(new PHUIHeaderView())
       ->setHeader($title)
-      ->addProperty(PHUIHeaderView::PROPERTY_POLICY,
-        $descriptions[PhabricatorPolicyCapability::CAN_VIEW]);
+      ->setUser($user)
+      ->setPolicyObject($mock);
 
     $actions = $this->buildActionView($mock);
     $properties = $this->buildPropertyView($mock, $engine);

src/applications/slowvote/controller/PhabricatorSlowvotePollController.php

@@ -41,15 +41,10 @@ final class PhabricatorSlowvotePollController
           ));
     }
 
-    $descriptions = PhabricatorPolicyQuery::renderPolicyDescriptions(
-      $user,
-      $poll,
-      true);
-
     $header = id(new PHUIHeaderView())
       ->setHeader($poll->getQuestion())
-      ->addProperty(PHUIHeaderView::PROPERTY_POLICY,
-        $descriptions[PhabricatorPolicyCapability::CAN_VIEW]);
+      ->setUser($user)
+      ->setPolicyObject($poll);
 
     $xaction_header = id(new PHUIHeaderView())
       ->setHeader(pht('Ongoing Deliberations'));

src/view/phui/PHUIHeaderView.php

@@ -3,7 +3,6 @@
 final class PHUIHeaderView extends AphrontView {
 
   const PROPERTY_STATE = 1;
-  const PROPERTY_POLICY = 2;
 
   private $objectName;
   private $header;
@@ -13,7 +12,8 @@ final class PHUIHeaderView extends AphrontView {
   private $gradient;
   private $noBackground;
   private $bleedHeader;
-  private $properties;
+  private $properties = array();
+  private $policyObject;
 
   public function setHeader($header) {
     $this->header = $header;
@@ -55,6 +55,11 @@ final class PHUIHeaderView extends AphrontView {
     return $this;
   }
 
+  public function setPolicyObject(PhabricatorPolicyInterface $object) {
+    $this->policyObject = $object;
+    return $this;
+  }
+
   public function addProperty($property, $value) {
     $this->properties[$property] = $value;
     return $this;
@@ -79,7 +84,7 @@ final class PHUIHeaderView extends AphrontView {
       $classes[] = 'gradient-'.$this->gradient.'-header';
     }
 
-    if ($this->properties || $this->subheader) {
+    if ($this->properties || $this->policyObject || $this->subheader) {
       $classes[] = 'phui-header-tall';
     }
 
@@ -129,22 +134,27 @@ final class PHUIHeaderView extends AphrontView {
         $this->subheader);
     }
 
-    if ($this->properties) {
+    if ($this->properties || $this->policyObject) {
       $property_list = array();
       foreach ($this->properties as $type => $property) {
         switch ($type) {
           case self::PROPERTY_STATE:
             $property_list[] = $property;
           break;
-          case self::PROPERTY_POLICY:
-            $property_list[] = $property;
-          break;
           default:
             throw new Exception('Incorrect Property Passed');
           break;
         }
       }
 
+      if ($this->policyObject) {
+        $descriptions = PhabricatorPolicyQuery::renderPolicyDescriptions(
+          $this->getUser(),
+          $this->policyObject,
+          true);
+        $property_list[] = $descriptions[PhabricatorPolicyCapability::CAN_VIEW];
+      }
+
       $header[] = phutil_tag(
         'div',
         array(