Add Can Create Policy Capability to Phame Blogs

Summary: Larger (open) installs may want to restrict Blog to formal entities, like with Phriction.

Test Plan: Set policy to administrators, have notchad try to create a blog. See error.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D14433

resources/celerity/map.php

···
  */
 return array(
   'names' => array(
-    'core.pkg.css' => 'e94665e4',
+    'core.pkg.css' => 'e4f1ea81',
     'core.pkg.js' => '47dc9ebb',
     'darkconsole.pkg.js' => 'e7393ebb',
     'differential.pkg.css' => '2de124c9',
···
     'rsrc/css/phui/phui-badge.css' => 'f25c3476',
     'rsrc/css/phui/phui-box.css' => 'a5bb366d',
     'rsrc/css/phui/phui-button.css' => '16020a60',
-    'rsrc/css/phui/phui-crumbs-view.css' => 'd842f867',
+    'rsrc/css/phui/phui-crumbs-view.css' => '414406b5',
     'rsrc/css/phui/phui-document-pro.css' => '4f2b42e3',
     'rsrc/css/phui/phui-document.css' => 'f841ad0a',
     'rsrc/css/phui/phui-feed-story.css' => 'b7b26d23',
···
     'phui-calendar-day-css' => 'd1cf6f93',
     'phui-calendar-list-css' => 'c1c7f338',
     'phui-calendar-month-css' => '476be7e0',
-    'phui-crumbs-view-css' => 'd842f867',
+    'phui-crumbs-view-css' => '414406b5',
     'phui-document-view-css' => 'f841ad0a',
     'phui-document-view-pro-css' => '4f2b42e3',
     'phui-feed-story-css' => 'b7b26d23',

src/__phutil_library_map__.php

···
     'PhameBasicTemplateBlogSkin' => 'applications/phame/skins/PhameBasicTemplateBlogSkin.php',
     'PhameBlog' => 'applications/phame/storage/PhameBlog.php',
     'PhameBlogController' => 'applications/phame/controller/blog/PhameBlogController.php',
+    'PhameBlogCreateCapability' => 'applications/phame/capability/PhameBlogCreateCapability.php',
     'PhameBlogDeleteController' => 'applications/phame/controller/blog/PhameBlogDeleteController.php',
     'PhameBlogEditController' => 'applications/phame/controller/blog/PhameBlogEditController.php',
     'PhameBlogEditor' => 'applications/phame/editor/PhameBlogEditor.php',
···
       'PhabricatorApplicationTransactionInterface',
     ),
     'PhameBlogController' => 'PhameController',
+    'PhameBlogCreateCapability' => 'PhabricatorPolicyCapability',
     'PhameBlogDeleteController' => 'PhameBlogController',
     'PhameBlogEditController' => 'PhameBlogController',
     'PhameBlogEditor' => 'PhabricatorApplicationTransactionEditor',

src/applications/phame/application/PhabricatorPhameApplication.php

···
     );
   }
 
+  protected function getCustomCapabilities() {
+    return array(
+      PhameBlogCreateCapability::CAPABILITY => array(
+        'default' => PhabricatorPolicies::POLICY_USER,
+        'caption' => pht('Default create policy for blogs.'),
+      ),
+    );
+  }
+
 }

src/applications/phame/capability/PhameBlogCreateCapability.php

···
+<?php
+
+final class PhameBlogCreateCapability
+  extends PhabricatorPolicyCapability {
+
+  const CAPABILITY = 'phame.blog.default.create';
+
+  public function getCapabilityName() {
+    return pht('Can Create Blogs');
+  }
+
+  public function describeCapabilityRejection() {
+    return pht('You do not have permission to create a blog.');
+  }
+
+}

src/applications/phame/controller/PhameController.php

···
 
   protected function buildApplicationCrumbs() {
     $crumbs = parent::buildApplicationCrumbs();
+
+    $can_create = $this->hasApplicationCapability(
+      PhameBlogCreateCapability::CAPABILITY);
+
     $crumbs->addAction(
       id(new PHUIListItemView())
         ->setName(pht('New Blog'))
-        ->setHref($this->getApplicationURI('/blog/new'))
-        ->setIcon('fa-plus-square'));
+        ->setHref($this->getApplicationURI('/blog/new/'))
+        ->setIcon('fa-plus-square')
+        ->setDisabled(!$can_create)
+        ->setWorkflow(!$can_create));
+
     $crumbs->addAction(
       id(new PHUIListItemView())
         ->setName(pht('New Post'))
-        ->setHref($this->getApplicationURI('/post/new'))
+        ->setHref($this->getApplicationURI('/post/new/'))
         ->setIcon('fa-pencil'));
     return $crumbs;
   }

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

···
       $v_projects = array_reverse($v_projects);
 
     } else {
+      $this->requireApplicationCapability(
+        PhameBlogCreateCapability::CAPABILITY);
+
       $blog = PhameBlog::initializeNewBlog($viewer);
 
       $submit_button = pht('Create Blog');

webroot/rsrc/css/phui/phui-crumbs-view.css

···
   padding-right: 0;
 }
 
-.phui-crumbs-view a.phui-crumbs-action-disabled {
+.phui-crumbs-view a.phui-crumbs-action-disabled,
+.phui-crumbs-view a.phui-crumbs-action-disabled .phui-icon-view {
   color: {$lightgreytext};
 }