Run Maniphest batch edits through modern editor

Summary:
Ref T2217. Swaps batch edits to modern editor.

Also, fix some issues with required fields and viewers being required to render certain standard fields (notably, date).

Test Plan: Made various batch edits, verified they went through properly.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2217

Differential Revision: https://secure.phabricator.com/D7083

src/applications/maniphest/controller/ManiphestBatchEditController.php

@@ -22,11 +22,20 @@ final class ManiphestBatchEditController extends ManiphestController {
 
     if ($request->isFormPost() && is_array($actions)) {
       foreach ($tasks as $task) {
+        $field_list = PhabricatorCustomField::getObjectFields(
+          $task,
+          PhabricatorCustomField::ROLE_EDIT);
+        $field_list->readFieldsFromStorage($task);
+
         $xactions = $this->buildTransactions($actions, $task);
         if ($xactions) {
-          $editor = new ManiphestTransactionEditor();
-          $editor->setActor($user);
-          $editor->applyTransactions($task, $xactions);
+          // TODO: Set content source to "batch edit".
+
+          $editor = id(new ManiphestTransactionEditorPro())
+            ->setActor($user)
+            ->setContentSourceFromRequest($request)
+            ->setContinueOnNoEffect(true)
+            ->applyTransactions($task, $xactions);
         }
       }
 
@@ -296,13 +305,7 @@ final class ManiphestBatchEditController extends ManiphestController {
       $value_map[$type] = $value;
     }
 
-    $template = new ManiphestTransaction();
-    $template->setAuthorPHID($this->getRequest()->getUser()->getPHID());
-
-    // TODO: Set content source to "batch edit".
-
-    $template->setContentSource(
-      PhabricatorContentSource::newFromRequest($this->getRequest()));
+    $template = new ManiphestTransactionPro();
 
     foreach ($value_map as $type => $value) {
       $xaction = clone $template;
@@ -310,7 +313,9 @@ final class ManiphestBatchEditController extends ManiphestController {
 
       switch ($type) {
         case PhabricatorTransactions::TYPE_COMMENT:
-          $xaction->setComments($value);
+          $xaction->attachComment(
+            id(new ManiphestTransactionComment())
+              ->setContent($value));
           break;
         default:
           $xaction->setNewValue($value);

src/applications/maniphest/editor/ManiphestTransactionEditor.php

@@ -253,6 +253,7 @@ final class ManiphestTransactionEditor extends PhabricatorEditor {
     $main_body = array();
     foreach ($transactions as $transaction) {
       $main_body[] = id(clone $transaction->getModernTransaction())
+        ->attachViewer($this->getActor())
         ->setHandles($handles)
         ->setRenderingTarget('text')
         ->getTitle();

src/applications/transactions/query/PhabricatorApplicationTransactionQuery.php

@@ -65,6 +65,10 @@ abstract class PhabricatorApplicationTransactionQuery
 
     $xactions = $table->loadAllFromArray($data);
 
+    foreach ($xactions as $xaction) {
+      $xaction->attachViewer($this->getViewer());
+    }
+
     if ($this->needComments) {
       $comment_phids = array_filter(mpull($xactions, 'getCommentPHID'));
 

src/applications/transactions/storage/PhabricatorApplicationTransaction.php

@@ -28,6 +28,7 @@ abstract class PhabricatorApplicationTransaction
   private $handles;
   private $renderingTarget = self::TARGET_HTML;
   private $transactionGroup = array();
+  private $viewer = self::ATTACHABLE;
 
   abstract public function getApplicationTransactionType();
 
@@ -120,6 +121,15 @@ abstract class PhabricatorApplicationTransaction
     return $this->renderingTarget;
   }
 
+  public function attachViewer(PhabricatorUser $viewer) {
+    $this->viewer = $viewer;
+    return $this;
+  }
+
+  public function getViewer() {
+    return $this->assertAttached($this->viewer);
+  }
+
   public function getRequiredHandlePHIDs() {
     $phids = array();
 
@@ -363,6 +373,7 @@ abstract class PhabricatorApplicationTransaction
           PhabricatorCustomField::ROLE_APPLICATIONTRANSACTIONS,
           $key);
         if ($field) {
+          $field->setViewer($this->getViewer());
           return $field->getApplicationTransactionTitle($this);
         } else {
           return pht(