Modularize Application Email Herald field

Summary:
Ref T8726. There's no interface we can check for this, so the adapter needs to opt in.

Also fix a spelling mistake.

Test Plan: Created rules with "Application Email" fields.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T8726

Differential Revision: https://secure.phabricator.com/D13499

resources/sql/autopatches/20150630.herald.1.sql

@@ -0,0 +1,5 @@
+# NOTE: This is a spelling correction.
+
+UPDATE {$NAMESPACE}_herald.herald_condition
+    SET fieldName = 'application-email'
+  WHERE fieldName = 'applicaton-email';

src/__phutil_library_map__.php

@@ -2112,6 +2112,7 @@ phutil_register_library_map(array(
     'PhabricatorMetaMTAApplicationEmail' => 'applications/metamta/storage/PhabricatorMetaMTAApplicationEmail.php',
     'PhabricatorMetaMTAApplicationEmailDatasource' => 'applications/metamta/typeahead/PhabricatorMetaMTAApplicationEmailDatasource.php',
     'PhabricatorMetaMTAApplicationEmailEditor' => 'applications/metamta/editor/PhabricatorMetaMTAApplicationEmailEditor.php',
+    'PhabricatorMetaMTAApplicationEmailHeraldField' => 'applications/metamta/herald/PhabricatorMetaMTAApplicationEmailHeraldField.php',
     'PhabricatorMetaMTAApplicationEmailPHIDType' => 'applications/phid/PhabricatorMetaMTAApplicationEmailPHIDType.php',
     'PhabricatorMetaMTAApplicationEmailPanel' => 'applications/metamta/applicationpanel/PhabricatorMetaMTAApplicationEmailPanel.php',
     'PhabricatorMetaMTAApplicationEmailQuery' => 'applications/metamta/query/PhabricatorMetaMTAApplicationEmailQuery.php',
@@ -5800,6 +5801,7 @@ phutil_register_library_map(array(
     ),
     'PhabricatorMetaMTAApplicationEmailDatasource' => 'PhabricatorTypeaheadDatasource',
     'PhabricatorMetaMTAApplicationEmailEditor' => 'PhabricatorApplicationTransactionEditor',
+    'PhabricatorMetaMTAApplicationEmailHeraldField' => 'HeraldField',
     'PhabricatorMetaMTAApplicationEmailPHIDType' => 'PhabricatorPHIDType',
     'PhabricatorMetaMTAApplicationEmailPanel' => 'PhabricatorApplicationConfigurationPanel',
     'PhabricatorMetaMTAApplicationEmailQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',

src/applications/herald/adapter/HeraldAdapter.php

@@ -29,7 +29,6 @@ abstract class HeraldAdapter extends Phobject {
   const FIELD_BRANCHES               = 'branches';
   const FIELD_AUTHOR_RAW             = 'author-raw';
   const FIELD_COMMITTER_RAW          = 'committer-raw';
-  const FIELD_APPLICATION_EMAIL      = 'applicaton-email';
   const FIELD_TASK_PRIORITY          = 'taskpriority';
   const FIELD_TASK_STATUS            = 'taskstatus';
   const FIELD_PUSHER_IS_COMMITTER    = 'pusher-is-committer';
@@ -164,6 +163,10 @@ abstract class HeraldAdapter extends Phobject {
     return $this;
   }
 
+  public function supportsApplicationEmail() {
+    return false;
+  }
+
   public function setApplicationEmail(
     PhabricatorMetaMTAApplicationEmail $email) {
     $this->applicationEmail = $email;
@@ -183,19 +186,8 @@ abstract class HeraldAdapter extends Phobject {
       return $impl->getHeraldFieldValue($this->getObject());
     }
 
-    switch ($field_name) {
-      case self::FIELD_APPLICATION_EMAIL:
-        $value = array();
-        // while there is only one match by implementation, we do set
-        // comparisons on phids, so return an array with just the phid
-        if ($this->getApplicationEmail()) {
-          $value[] = $this->getApplicationEmail()->getPHID();
-        }
-        return $value;
-      default:
     throw new Exception(pht("Unknown field '%s'!", $field_name));
   }
-  }
 
   abstract public function applyHeraldEffects(array $effects);
 
@@ -391,7 +383,6 @@ abstract class HeraldAdapter extends Phobject {
       self::FIELD_BRANCHES => pht('Commit\'s branches'),
       self::FIELD_AUTHOR_RAW => pht('Raw author name'),
       self::FIELD_COMMITTER_RAW => pht('Raw committer name'),
-      self::FIELD_APPLICATION_EMAIL => pht('Receiving email address'),
       self::FIELD_TASK_PRIORITY => pht('Task priority'),
       self::FIELD_TASK_STATUS => pht('Task status'),
       self::FIELD_PUSHER_IS_COMMITTER => pht('Pusher same as committer'),
@@ -481,13 +472,6 @@ abstract class HeraldAdapter extends Phobject {
           self::CONDITION_EXISTS,
           self::CONDITION_NOT_EXISTS,
         );
-      case self::FIELD_APPLICATION_EMAIL:
-        return array(
-          self::CONDITION_INCLUDE_ANY,
-          self::CONDITION_INCLUDE_NONE,
-          self::CONDITION_EXISTS,
-          self::CONDITION_NOT_EXISTS,
-        );
       case self::FIELD_DIFF_FILE:
       case self::FIELD_BRANCHES:
         return array(
@@ -944,8 +928,6 @@ abstract class HeraldAdapter extends Phobject {
             return self::VALUE_PROJECT;
           case self::FIELD_REVIEWERS:
             return self::VALUE_USER_OR_PROJECT;
-          case self::FIELD_APPLICATION_EMAIL:
-            return self::VALUE_APPLICATION_EMAIL;
           default:
             return self::VALUE_USER;
         }

src/applications/herald/adapter/HeraldManiphestTaskAdapter.php

@@ -21,6 +21,10 @@ final class HeraldManiphestTaskAdapter extends HeraldAdapter {
     $this->task = $this->newObject();
   }
 
+  public function supportsApplicationEmail() {
+    return true;
+  }
+
   public function getRepetitionOptions() {
     return array(
       HeraldRepetitionPolicyConfig::EVERY,
@@ -72,7 +76,6 @@ final class HeraldManiphestTaskAdapter extends HeraldAdapter {
         self::FIELD_ASSIGNEE,
         self::FIELD_TASK_PRIORITY,
         self::FIELD_TASK_STATUS,
-        self::FIELD_APPLICATION_EMAIL,
       ),
       parent::getFields());
   }

src/applications/metamta/herald/PhabricatorMetaMTAApplicationEmailHeraldField.php

@@ -0,0 +1,41 @@
+<?php
+
+final class PhabricatorMetaMTAApplicationEmailHeraldField
+  extends HeraldField {
+
+  const FIELDCONST = 'application-email';
+
+  public function getHeraldFieldName() {
+    return pht('Receiving email address');
+  }
+
+  public function supportsObject($object) {
+    return $this->getAdapter()->supportsApplicationEmail();
+  }
+
+  public function getHeraldFieldValue($object) {
+    $phids = array();
+
+    $email = $this->getAdapter()->getApplicationEmail();
+    if ($email) {
+      $phids[] = $email;
+    }
+
+    return $phids;
+  }
+
+  protected function getHeraldFieldStandardConditions() {
+    return self::STANDARD_LIST;
+  }
+
+  public function getHeraldFieldValueType($condition) {
+    switch ($condition) {
+      case HeraldAdapter::CONDITION_EXISTS:
+      case HeraldAdapter::CONDITION_NOT_EXISTS:
+        return HeraldAdapter::VALUE_NONE;
+      default:
+        return HeraldAdapter::VALUE_APPLICATION_EMAIL;
+    }
+  }
+
+}