Write pathway for Differential Comments

src/applications/differential/controller/commentsave/DifferentialCommentSaveController.php

@@ -0,0 +1,56 @@
+<?php
+
+/*
+ * Copyright 2011 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+class DifferentialCommentSaveController extends DifferentialController {
+
+  public function processRequest() {
+    $request = $this->getRequest();
+    if (!$request->isFormPost()) {
+      return new Aphront400Response();
+    }
+
+    $revision_id = $request->getInt('revision_id');
+    $revision = id(new DifferentialRevision())->load($revision_id);
+    if (!$revision) {
+      return new Aphront400Response();
+    }
+
+    $comment    = $request->getStr('comment');
+    $action     = $request->getStr('action');
+    $reviewers  = $request->getStr('reviewers');
+
+    $editor = new DifferentialCommentEditor(
+      $revision,
+      $request->getUser()->getPHID(),
+      $action);
+
+    $editor
+      ->setMessage($comment)
+      ->setAttachInlineComments(true)
+      ->setAddCC($action != DifferentialAction::ACTION_RESIGN)
+      ->setAddedReviewers($reviewers)
+      ->save();
+
+    // TODO: Diff change detection?
+    // TODO: Clear draft
+
+    return id(new AphrontRedirectResponse())
+      ->setURI('/D'.$revision->getID());
+  }
+
+}

src/applications/differential/controller/commentsave/__init__.php

@@ -0,0 +1,18 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phabricator', 'aphront/response/400');
+phutil_require_module('phabricator', 'aphront/response/redirect');
+phutil_require_module('phabricator', 'applications/differential/controller/base');
+phutil_require_module('phabricator', 'applications/differential/editor/comment');
+phutil_require_module('phabricator', 'applications/differential/storage/revision');
+
+phutil_require_module('phutil', 'utils');
+
+
+phutil_require_source('DifferentialCommentSaveController.php');

src/applications/differential/controller/revisionview/DifferentialRevisionViewController.php

@@ -83,6 +83,7 @@ class DifferentialRevisionViewController extends DifferentialController {
     $comment_form = new DifferentialAddCommentView();
     $comment_form->setRevision($revision);
     $comment_form->setActions($this->getRevisionCommentActions($revision));
+    $comment_form->setActionURI('/differential/comment/save/');
 
     return $this->buildStandardPageResponse(
       '<div class="differential-primary-pane">'.