diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
index 416654b782..e6e48571ff 100644
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -2012,7 +2012,16 @@ phutil_register_library_map(array(
     'PhabricatorBadgesAwardController' => 'applications/badges/controller/PhabricatorBadgesAwardController.php',
     'PhabricatorBadgesAwardQuery' => 'applications/badges/query/PhabricatorBadgesAwardQuery.php',
     'PhabricatorBadgesBadge' => 'applications/badges/storage/PhabricatorBadgesBadge.php',
+    'PhabricatorBadgesBadgeAwardTransaction' => 'applications/badges/xaction/PhabricatorBadgesBadgeAwardTransaction.php',
+    'PhabricatorBadgesBadgeDescriptionTransaction' => 'applications/badges/xaction/PhabricatorBadgesBadgeDescriptionTransaction.php',
+    'PhabricatorBadgesBadgeFlavorTransaction' => 'applications/badges/xaction/PhabricatorBadgesBadgeFlavorTransaction.php',
+    'PhabricatorBadgesBadgeIconTransaction' => 'applications/badges/xaction/PhabricatorBadgesBadgeIconTransaction.php',
     'PhabricatorBadgesBadgeNameNgrams' => 'applications/badges/storage/PhabricatorBadgesBadgeNameNgrams.php',
+    'PhabricatorBadgesBadgeNameTransaction' => 'applications/badges/xaction/PhabricatorBadgesBadgeNameTransaction.php',
+    'PhabricatorBadgesBadgeQualityTransaction' => 'applications/badges/xaction/PhabricatorBadgesBadgeQualityTransaction.php',
+    'PhabricatorBadgesBadgeRevokeTransaction' => 'applications/badges/xaction/PhabricatorBadgesBadgeRevokeTransaction.php',
+    'PhabricatorBadgesBadgeStatusTransaction' => 'applications/badges/xaction/PhabricatorBadgesBadgeStatusTransaction.php',
+    'PhabricatorBadgesBadgeTransactionType' => 'applications/badges/xaction/PhabricatorBadgesBadgeTransactionType.php',
     'PhabricatorBadgesCommentController' => 'applications/badges/controller/PhabricatorBadgesCommentController.php',
     'PhabricatorBadgesController' => 'applications/badges/controller/PhabricatorBadgesController.php',
     'PhabricatorBadgesCreateCapability' => 'applications/badges/capability/PhabricatorBadgesCreateCapability.php',
@@ -6954,7 +6963,16 @@ phutil_register_library_map(array(
       'PhabricatorConduitResultInterface',
       'PhabricatorNgramsInterface',
     ),
+    'PhabricatorBadgesBadgeAwardTransaction' => 'PhabricatorBadgesBadgeTransactionType',
+    'PhabricatorBadgesBadgeDescriptionTransaction' => 'PhabricatorBadgesBadgeTransactionType',
+    'PhabricatorBadgesBadgeFlavorTransaction' => 'PhabricatorBadgesBadgeTransactionType',
+    'PhabricatorBadgesBadgeIconTransaction' => 'PhabricatorBadgesBadgeTransactionType',
     'PhabricatorBadgesBadgeNameNgrams' => 'PhabricatorSearchNgrams',
+    'PhabricatorBadgesBadgeNameTransaction' => 'PhabricatorBadgesBadgeTransactionType',
+    'PhabricatorBadgesBadgeQualityTransaction' => 'PhabricatorBadgesBadgeTransactionType',
+    'PhabricatorBadgesBadgeRevokeTransaction' => 'PhabricatorBadgesBadgeTransactionType',
+    'PhabricatorBadgesBadgeStatusTransaction' => 'PhabricatorBadgesBadgeTransactionType',
+    'PhabricatorBadgesBadgeTransactionType' => 'PhabricatorModularTransactionType',
     'PhabricatorBadgesCommentController' => 'PhabricatorBadgesController',
     'PhabricatorBadgesController' => 'PhabricatorController',
     'PhabricatorBadgesCreateCapability' => 'PhabricatorPolicyCapability',
@@ -6980,7 +6998,7 @@ phutil_register_library_map(array(
     'PhabricatorBadgesSchemaSpec' => 'PhabricatorConfigSchemaSpec',
     'PhabricatorBadgesSearchConduitAPIMethod' => 'PhabricatorSearchEngineAPIMethod',
     'PhabricatorBadgesSearchEngine' => 'PhabricatorApplicationSearchEngine',
-    'PhabricatorBadgesTransaction' => 'PhabricatorApplicationTransaction',
+    'PhabricatorBadgesTransaction' => 'PhabricatorModularTransaction',
     'PhabricatorBadgesTransactionComment' => 'PhabricatorApplicationTransactionComment',
     'PhabricatorBadgesTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
     'PhabricatorBadgesViewController' => 'PhabricatorBadgesProfileController',
diff --git a/src/applications/badges/controller/PhabricatorBadgesArchiveController.php b/src/applications/badges/controller/PhabricatorBadgesArchiveController.php
index 52e1b9f1c7..f109d9459a 100644
--- a/src/applications/badges/controller/PhabricatorBadgesArchiveController.php
+++ b/src/applications/badges/controller/PhabricatorBadgesArchiveController.php
@@ -32,7 +32,8 @@ final class PhabricatorBadgesArchiveController
       $xactions = array();
 
       $xactions[] = id(new PhabricatorBadgesTransaction())
-        ->setTransactionType(PhabricatorBadgesTransaction::TYPE_STATUS)
+        ->setTransactionType(
+          PhabricatorBadgesBadgeStatusTransaction::TRANSACTIONTYPE)
         ->setNewValue($new_status);
 
       id(new PhabricatorBadgesEditor())
diff --git a/src/applications/badges/controller/PhabricatorBadgesAwardController.php b/src/applications/badges/controller/PhabricatorBadgesAwardController.php
index f9294ec5c6..ad409f8297 100644
--- a/src/applications/badges/controller/PhabricatorBadgesAwardController.php
+++ b/src/applications/badges/controller/PhabricatorBadgesAwardController.php
@@ -37,7 +37,8 @@ final class PhabricatorBadgesAwardController
       foreach ($badges as $badge) {
         $xactions = array();
         $xactions[] = id(new PhabricatorBadgesTransaction())
-          ->setTransactionType(PhabricatorBadgesTransaction::TYPE_AWARD)
+          ->setTransactionType(
+            PhabricatorBadgesBadgeAwardTransaction::TRANSACTIONTYPE)
           ->setNewValue($award_phids);
 
         $editor = id(new PhabricatorBadgesEditor())
diff --git a/src/applications/badges/controller/PhabricatorBadgesEditRecipientsController.php b/src/applications/badges/controller/PhabricatorBadgesEditRecipientsController.php
index 546c41a1d4..9045869fc8 100644
--- a/src/applications/badges/controller/PhabricatorBadgesEditRecipientsController.php
+++ b/src/applications/badges/controller/PhabricatorBadgesEditRecipientsController.php
@@ -37,7 +37,8 @@ final class PhabricatorBadgesEditRecipientsController
       }
 
       $xactions[] = id(new PhabricatorBadgesTransaction())
-        ->setTransactionType(PhabricatorBadgesTransaction::TYPE_AWARD)
+        ->setTransactionType(
+          PhabricatorBadgesBadgeAwardTransaction::TRANSACTIONTYPE)
         ->setNewValue($award_phids);
 
       $editor = id(new PhabricatorBadgesEditor())
diff --git a/src/applications/badges/controller/PhabricatorBadgesRemoveRecipientsController.php b/src/applications/badges/controller/PhabricatorBadgesRemoveRecipientsController.php
index 0185698686..b26a2c2159 100644
--- a/src/applications/badges/controller/PhabricatorBadgesRemoveRecipientsController.php
+++ b/src/applications/badges/controller/PhabricatorBadgesRemoveRecipientsController.php
@@ -34,7 +34,8 @@ final class PhabricatorBadgesRemoveRecipientsController
     if ($request->isFormPost()) {
       $xactions = array();
       $xactions[] = id(new PhabricatorBadgesTransaction())
-        ->setTransactionType(PhabricatorBadgesTransaction::TYPE_REVOKE)
+        ->setTransactionType(
+          PhabricatorBadgesBadgeRevokeTransaction::TRANSACTIONTYPE)
         ->setNewValue(array($remove_phid));
 
       $editor = id(new PhabricatorBadgesEditor())
diff --git a/src/applications/badges/editor/PhabricatorBadgesEditEngine.php b/src/applications/badges/editor/PhabricatorBadgesEditEngine.php
index 58cccb1a89..597cf470f6 100644
--- a/src/applications/badges/editor/PhabricatorBadgesEditEngine.php
+++ b/src/applications/badges/editor/PhabricatorBadgesEditEngine.php
@@ -86,20 +86,24 @@ final class PhabricatorBadgesEditEngine
         ->setLabel(pht('Name'))
         ->setDescription(pht('Badge name.'))
         ->setConduitTypeDescription(pht('New badge name.'))
-        ->setTransactionType(PhabricatorBadgesTransaction::TYPE_NAME)
-        ->setValue($object->getName()),
+        ->setTransactionType(
+          PhabricatorBadgesBadgeNameTransaction::TRANSACTIONTYPE)
+        ->setValue($object->getName())
+        ->setIsRequired(true),
       id(new PhabricatorTextEditField())
         ->setKey('flavor')
         ->setLabel(pht('Flavor text'))
         ->setDescription(pht('Short description of the badge.'))
         ->setConduitTypeDescription(pht('New badge flavor.'))
         ->setValue($object->getFlavor())
-        ->setTransactionType(PhabricatorBadgesTransaction::TYPE_FLAVOR),
+        ->setTransactionType(
+          PhabricatorBadgesBadgeFlavorTransaction::TRANSACTIONTYPE),
       id(new PhabricatorIconSetEditField())
         ->setKey('icon')
         ->setLabel(pht('Icon'))
         ->setIconSet(new PhabricatorBadgesIconSet())
-        ->setTransactionType(PhabricatorBadgesTransaction::TYPE_ICON)
+        ->setTransactionType(
+          PhabricatorBadgesBadgeIconTransaction::TRANSACTIONTYPE)
         ->setConduitDescription(pht('Change the badge icon.'))
         ->setConduitTypeDescription(pht('New badge icon.'))
         ->setValue($object->getIcon()),
@@ -109,14 +113,16 @@ final class PhabricatorBadgesEditEngine
         ->setDescription(pht('Color and rarity of the badge.'))
         ->setConduitTypeDescription(pht('New badge quality.'))
         ->setValue($object->getQuality())
-        ->setTransactionType(PhabricatorBadgesTransaction::TYPE_QUALITY)
+        ->setTransactionType(
+          PhabricatorBadgesBadgeQualityTransaction::TRANSACTIONTYPE)
         ->setOptions(PhabricatorBadgesQuality::getDropdownQualityMap()),
       id(new PhabricatorRemarkupEditField())
         ->setKey('description')
         ->setLabel(pht('Description'))
         ->setDescription(pht('Badge long description.'))
         ->setConduitTypeDescription(pht('New badge description.'))
-        ->setTransactionType(PhabricatorBadgesTransaction::TYPE_DESCRIPTION)
+        ->setTransactionType(
+          PhabricatorBadgesBadgeDescriptionTransaction::TRANSACTIONTYPE)
         ->setValue($object->getDescription()),
     );
   }
diff --git a/src/applications/badges/editor/PhabricatorBadgesEditor.php b/src/applications/badges/editor/PhabricatorBadgesEditor.php
index 45a42a3362..65b2ca6cdf 100644
--- a/src/applications/badges/editor/PhabricatorBadgesEditor.php
+++ b/src/applications/badges/editor/PhabricatorBadgesEditor.php
@@ -11,22 +11,20 @@ final class PhabricatorBadgesEditor
     return pht('Badges');
   }
 
+  public function getCreateObjectTitle($author, $object) {
+    return pht('%s created this badge.', $author);
+  }
+
+  public function getCreateObjectTitleForFeed($author, $object) {
+    return pht('%s created %s.', $author, $object);
+  }
+
   protected function supportsSearch() {
     return true;
   }
 
   public function getTransactionTypes() {
     $types = parent::getTransactionTypes();
-
-    $types[] = PhabricatorBadgesTransaction::TYPE_NAME;
-    $types[] = PhabricatorBadgesTransaction::TYPE_FLAVOR;
-    $types[] = PhabricatorBadgesTransaction::TYPE_DESCRIPTION;
-    $types[] = PhabricatorBadgesTransaction::TYPE_ICON;
-    $types[] = PhabricatorBadgesTransaction::TYPE_STATUS;
-    $types[] = PhabricatorBadgesTransaction::TYPE_QUALITY;
-    $types[] = PhabricatorBadgesTransaction::TYPE_AWARD;
-    $types[] = PhabricatorBadgesTransaction::TYPE_REVOKE;
-
     $types[] = PhabricatorTransactions::TYPE_COMMENT;
     $types[] = PhabricatorTransactions::TYPE_EDGE;
     $types[] = PhabricatorTransactions::TYPE_EDIT_POLICY;
@@ -34,159 +32,6 @@ final class PhabricatorBadgesEditor
     return $types;
   }
 
-  protected function getCustomTransactionOldValue(
-    PhabricatorLiskDAO $object,
-    PhabricatorApplicationTransaction $xaction) {
-    switch ($xaction->getTransactionType()) {
-      case PhabricatorBadgesTransaction::TYPE_NAME:
-        return $object->getName();
-      case PhabricatorBadgesTransaction::TYPE_FLAVOR:
-        return $object->getFlavor();
-      case PhabricatorBadgesTransaction::TYPE_DESCRIPTION:
-        return $object->getDescription();
-      case PhabricatorBadgesTransaction::TYPE_ICON:
-        return $object->getIcon();
-      case PhabricatorBadgesTransaction::TYPE_QUALITY:
-        return (int)$object->getQuality();
-      case PhabricatorBadgesTransaction::TYPE_STATUS:
-        return $object->getStatus();
-      case PhabricatorBadgesTransaction::TYPE_AWARD:
-        $award_phids = mpull($object->getAwards(), 'getRecipientPHID');
-        return $award_phids;
-      case PhabricatorBadgesTransaction::TYPE_REVOKE:
-        return null;
-    }
-
-    return parent::getCustomTransactionOldValue($object, $xaction);
-  }
-
-  protected function getCustomTransactionNewValue(
-    PhabricatorLiskDAO $object,
-    PhabricatorApplicationTransaction $xaction) {
-
-    switch ($xaction->getTransactionType()) {
-      case PhabricatorBadgesTransaction::TYPE_NAME:
-      case PhabricatorBadgesTransaction::TYPE_FLAVOR:
-      case PhabricatorBadgesTransaction::TYPE_DESCRIPTION:
-      case PhabricatorBadgesTransaction::TYPE_ICON:
-      case PhabricatorBadgesTransaction::TYPE_STATUS:
-      case PhabricatorBadgesTransaction::TYPE_AWARD:
-      case PhabricatorBadgesTransaction::TYPE_REVOKE:
-        return $xaction->getNewValue();
-      case PhabricatorBadgesTransaction::TYPE_QUALITY:
-        return (int)$xaction->getNewValue();
-    }
-
-    return parent::getCustomTransactionNewValue($object, $xaction);
-  }
-
-  protected function applyCustomInternalTransaction(
-    PhabricatorLiskDAO $object,
-    PhabricatorApplicationTransaction $xaction) {
-
-    $type = $xaction->getTransactionType();
-    switch ($type) {
-      case PhabricatorBadgesTransaction::TYPE_NAME:
-        $object->setName($xaction->getNewValue());
-        return;
-      case PhabricatorBadgesTransaction::TYPE_FLAVOR:
-        $object->setFlavor($xaction->getNewValue());
-        return;
-      case PhabricatorBadgesTransaction::TYPE_DESCRIPTION:
-        $object->setDescription($xaction->getNewValue());
-        return;
-      case PhabricatorBadgesTransaction::TYPE_ICON:
-        $object->setIcon($xaction->getNewValue());
-        return;
-      case PhabricatorBadgesTransaction::TYPE_QUALITY:
-        $object->setQuality($xaction->getNewValue());
-        return;
-      case PhabricatorBadgesTransaction::TYPE_STATUS:
-        $object->setStatus($xaction->getNewValue());
-        return;
-      case PhabricatorBadgesTransaction::TYPE_AWARD:
-      case PhabricatorBadgesTransaction::TYPE_REVOKE:
-        return;
-    }
-
-    return parent::applyCustomInternalTransaction($object, $xaction);
-  }
-
-  protected function applyCustomExternalTransaction(
-    PhabricatorLiskDAO $object,
-    PhabricatorApplicationTransaction $xaction) {
-
-    $type = $xaction->getTransactionType();
-    switch ($type) {
-      case PhabricatorBadgesTransaction::TYPE_NAME:
-      case PhabricatorBadgesTransaction::TYPE_FLAVOR:
-      case PhabricatorBadgesTransaction::TYPE_DESCRIPTION:
-      case PhabricatorBadgesTransaction::TYPE_ICON:
-      case PhabricatorBadgesTransaction::TYPE_STATUS:
-      case PhabricatorBadgesTransaction::TYPE_QUALITY:
-        return;
-      case PhabricatorBadgesTransaction::TYPE_REVOKE:
-        $revoked_recipient_phids = $xaction->getNewValue();
-        $awards = $object->getAwards();
-        $awards = mpull($awards, null, 'getRecipientPHID');
-
-        foreach ($revoked_recipient_phids as $phid) {
-          $awards[$phid]->delete();
-        }
-        $object->attachAwards($awards);
-        return;
-      case PhabricatorBadgesTransaction::TYPE_AWARD:
-        $recipient_phids = $xaction->getNewValue();
-        $awards = $object->getAwards();
-        $awards = mpull($awards, null, 'getRecipientPHID');
-
-        foreach ($recipient_phids as $phid) {
-          $award = idx($awards, $phid);
-          if (!$award) {
-            $award = PhabricatorBadgesAward::initializeNewBadgesAward(
-              $this->getActor(),
-              $object,
-              $phid);
-            $award->save();
-            $awards[] = $award;
-          }
-        }
-        $object->attachAwards($awards);
-        return;
-    }
-
-    return parent::applyCustomExternalTransaction($object, $xaction);
-  }
-
-  protected function validateTransaction(
-    PhabricatorLiskDAO $object,
-    $type,
-    array $xactions) {
-
-    $errors = parent::validateTransaction($object, $type, $xactions);
-
-    switch ($type) {
-      case PhabricatorBadgesTransaction::TYPE_NAME:
-        $missing = $this->validateIsEmptyTextField(
-          $object->getName(),
-          $xactions);
-
-        if ($missing) {
-          $error = new PhabricatorApplicationTransactionValidationError(
-            $type,
-            pht('Required'),
-            pht('Badge name is required.'),
-            nonempty(last($xactions), null));
-
-          $error->setIsMissingFieldError(true);
-          $errors[] = $error;
-        }
-      break;
-    }
-
-    return $errors;
-  }
-
   protected function shouldSendMail(
     PhabricatorLiskDAO $object,
     array $xactions) {
diff --git a/src/applications/badges/storage/PhabricatorBadgesTransaction.php b/src/applications/badges/storage/PhabricatorBadgesTransaction.php
index 24509f94bb..75d8f7fd59 100644
--- a/src/applications/badges/storage/PhabricatorBadgesTransaction.php
+++ b/src/applications/badges/storage/PhabricatorBadgesTransaction.php
@@ -1,16 +1,7 @@
 <?php
 
 final class PhabricatorBadgesTransaction
-  extends PhabricatorApplicationTransaction {
-
-  const TYPE_NAME = 'badges:name';
-  const TYPE_DESCRIPTION = 'badges:description';
-  const TYPE_QUALITY = 'badges:quality';
-  const TYPE_ICON = 'badges:icon';
-  const TYPE_STATUS = 'badges:status';
-  const TYPE_FLAVOR = 'badges:flavor';
-  const TYPE_AWARD = 'badges:award';
-  const TYPE_REVOKE = 'badges:revoke';
+  extends PhabricatorModularTransaction {
 
   const MAILTAG_DETAILS = 'badges:details';
   const MAILTAG_COMMENT = 'badges:comment';
@@ -28,209 +19,8 @@ final class PhabricatorBadgesTransaction
     return new PhabricatorBadgesTransactionComment();
   }
 
-
-  public function getTitle() {
-    $author_phid = $this->getAuthorPHID();
-    $object_phid = $this->getObjectPHID();
-
-    $old = $this->getOldValue();
-    $new = $this->getNewValue();
-
-    $type = $this->getTransactionType();
-    switch ($type) {
-      case PhabricatorTransactions::TYPE_CREATE:
-          return pht(
-            '%s created this badge.',
-            $this->renderHandleLink($author_phid));
-      case self::TYPE_NAME:
-        if ($old === null) {
-          return pht(
-            '%s created this badge.',
-            $this->renderHandleLink($author_phid));
-        } else {
-          return pht(
-            '%s renamed this badge from "%s" to "%s".',
-            $this->renderHandleLink($author_phid),
-            $old,
-            $new);
-        }
-        break;
-      case self::TYPE_FLAVOR:
-        if ($old === null) {
-          return pht(
-            '%s set the flavor text for this badge.',
-            $this->renderHandleLink($author_phid));
-        } else {
-          return pht(
-            '%s updated the flavor text for this badge.',
-            $this->renderHandleLink($author_phid));
-        }
-        break;
-      case self::TYPE_DESCRIPTION:
-        if ($old === null) {
-          return pht(
-            '%s set the description for this badge.',
-            $this->renderHandleLink($author_phid));
-        } else {
-          return pht(
-            '%s updated the description for this badge.',
-            $this->renderHandleLink($author_phid));
-        }
-        break;
-      case self::TYPE_STATUS:
-        switch ($new) {
-          case PhabricatorBadgesBadge::STATUS_ACTIVE:
-            return pht(
-              '%s activated this badge.',
-              $this->renderHandleLink($author_phid));
-          case PhabricatorBadgesBadge::STATUS_ARCHIVED:
-            return pht(
-              '%s archived this badge.',
-              $this->renderHandleLink($author_phid));
-        }
-        break;
-      case self::TYPE_ICON:
-        if ($old === null) {
-          return pht(
-            '%s set the icon for this badge as "%s".',
-            $this->renderHandleLink($author_phid),
-            $new);
-        } else {
-          $set = new PhabricatorBadgesIconSet();
-
-          $icon_old = $set->getIconLabel($old);
-          $icon_new = $set->getIconLabel($new);
-
-          return pht(
-            '%s updated the icon for this badge from "%s" to "%s".',
-            $this->renderHandleLink($author_phid),
-            $icon_old,
-            $icon_new);
-        }
-        break;
-      case self::TYPE_QUALITY:
-        $qual_new = PhabricatorBadgesQuality::getQualityName($new);
-        $qual_old = PhabricatorBadgesQuality::getQualityName($old);
-        if ($old === null) {
-          return pht(
-            '%s set the quality for this badge as "%s".',
-            $this->renderHandleLink($author_phid),
-            $qual_new);
-        } else {
-          return pht(
-            '%s updated the quality for this badge from "%s" to "%s".',
-            $this->renderHandleLink($author_phid),
-            $qual_old,
-            $qual_new);
-        }
-        break;
-      case self::TYPE_AWARD:
-        if (!is_array($new)) {
-          $new = array();
-        }
-        $handles = $this->renderHandleList($new);
-        return pht(
-          '%s awarded this badge to %s recipient(s): %s.',
-          $this->renderHandleLink($author_phid),
-          new PhutilNumber(count($new)),
-          $handles);
-      case self::TYPE_REVOKE:
-        if (!is_array($new)) {
-          $new = array();
-        }
-        $handles = $this->renderHandleList($new);
-        return pht(
-          '%s revoked this badge from %s recipient(s): %s.',
-          $this->renderHandleLink($author_phid),
-          new PhutilNumber(count($new)),
-          $handles);
-    }
-
-    return parent::getTitle();
-  }
-
-  public function getTitleForFeed() {
-    $author_phid = $this->getAuthorPHID();
-    $object_phid = $this->getObjectPHID();
-
-    $old = $this->getOldValue();
-    $new = $this->getNewValue();
-
-    $type = $this->getTransactionType();
-    switch ($type) {
-      case self::TYPE_NAME:
-        if ($old === null) {
-          return pht(
-            '%s created %s.',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid));
-
-        } else {
-          return pht(
-            '%s renamed %s.',
-            $this->renderHandleLink($author_phid),
-            $this->renderHandleLink($object_phid));
-        }
-      break;
-      case self::TYPE_FLAVOR:
-        return pht(
-          '%s updated the flavor text for %s.',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($object_phid));
-      case self::TYPE_ICON:
-        return pht(
-          '%s updated the icon for %s.',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($object_phid));
-      case self::TYPE_QUALITY:
-        return pht(
-          '%s updated the quality level for %s.',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($object_phid));
-      case self::TYPE_DESCRIPTION:
-        return pht(
-          '%s updated the description for %s.',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($object_phid));
-      case self::TYPE_STATUS:
-        switch ($new) {
-          case PhabricatorBadgesBadge::STATUS_ACTIVE:
-            return pht(
-              '%s activated %s.',
-              $this->renderHandleLink($author_phid),
-              $this->renderHandleLink($object_phid));
-          case PhabricatorBadgesBadge::STATUS_ARCHIVED:
-            return pht(
-              '%s archived %s.',
-              $this->renderHandleLink($author_phid),
-              $this->renderHandleLink($object_phid));
-        }
-        break;
-      case self::TYPE_AWARD:
-        if (!is_array($new)) {
-          $new = array();
-        }
-        $handles = $this->renderHandleList($new);
-        return pht(
-          '%s awarded %s to %s recipient(s): %s.',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($object_phid),
-          new PhutilNumber(count($new)),
-          $handles);
-      case self::TYPE_REVOKE:
-        if (!is_array($new)) {
-          $new = array();
-        }
-        $handles = $this->renderHandleList($new);
-        return pht(
-          '%s revoked %s from %s recipient(s): %s.',
-          $this->renderHandleLink($author_phid),
-          $this->renderHandleLink($object_phid),
-          new PhutilNumber(count($new)),
-          $handles);
-    }
-
-    return parent::getTitleForFeed();
+  public function getBaseTransactionClass() {
+    return 'PhabricatorBadgesBadgeTransactionType';
   }
 
   public function getMailTags() {
@@ -240,14 +30,16 @@ final class PhabricatorBadgesTransaction
       case PhabricatorTransactions::TYPE_COMMENT:
         $tags[] = self::MAILTAG_COMMENT;
         break;
-      case self::TYPE_NAME:
-      case self::TYPE_DESCRIPTION:
-      case self::TYPE_FLAVOR:
-      case self::TYPE_ICON:
-      case self::TYPE_STATUS:
-      case self::TYPE_QUALITY:
+      case PhabricatorBadgesBadgeNameTransaction::TRANSACTIONTYPE:
+      case PhabricatorBadgesBadgeDescriptionTransaction::TRANSACTIONTYPE:
+      case PhabricatorBadgesBadgeFlavorTransaction::TRANSACTIONTYPE:
+      case PhabricatorBadgesBadgeIconTransaction::TRANSACTIONTYPE:
+      case PhabricatorBadgesBadgeStatusTransaction::TRANSACTIONTYPE:
+      case PhabricatorBadgesBadgeQualityTransaction::TRANSACTIONTYPE:
         $tags[] = self::MAILTAG_DETAILS;
         break;
+      case PhabricatorBadgesBadgeAwardTransaction::TRANSACTIONTYPE:
+      case PhabricatorBadgesBadgeRevokeTransaction::TRANSACTIONTYPE:
       default:
         $tags[] = self::MAILTAG_OTHER;
         break;
@@ -255,49 +47,4 @@ final class PhabricatorBadgesTransaction
     return $tags;
   }
 
-
-  public function shouldHide() {
-    $old = $this->getOldValue();
-    switch ($this->getTransactionType()) {
-      case self::TYPE_DESCRIPTION:
-        return ($old === null);
-    }
-    return parent::shouldHide();
-  }
-
-  public function hasChangeDetails() {
-    switch ($this->getTransactionType()) {
-      case self::TYPE_DESCRIPTION:
-        return ($this->getOldValue() !== null);
-    }
-
-    return parent::hasChangeDetails();
-  }
-
-  public function renderChangeDetails(PhabricatorUser $viewer) {
-    return $this->renderTextCorpusChangeDetails(
-      $viewer,
-      $this->getOldValue(),
-      $this->getNewValue());
-  }
-
-  public function getRequiredHandlePHIDs() {
-    $phids = parent::getRequiredHandlePHIDs();
-
-    $type = $this->getTransactionType();
-    switch ($type) {
-       case self::TYPE_AWARD:
-       case self::TYPE_REVOKE:
-        $new = $this->getNewValue();
-        if (!is_array($new)) {
-          $new = array();
-        }
-        foreach ($new as $phid) {
-          $phids[] = $phid;
-        }
-        break;
-    }
-
-    return $phids;
-  }
 }
diff --git a/src/applications/badges/xaction/PhabricatorBadgesBadgeAwardTransaction.php b/src/applications/badges/xaction/PhabricatorBadgesBadgeAwardTransaction.php
new file mode 100644
index 0000000000..5f339fa368
--- /dev/null
+++ b/src/applications/badges/xaction/PhabricatorBadgesBadgeAwardTransaction.php
@@ -0,0 +1,62 @@
+<?php
+
+final class PhabricatorBadgesBadgeAwardTransaction
+  extends PhabricatorBadgesBadgeTransactionType {
+
+  const TRANSACTIONTYPE = 'badge.award';
+
+  public function generateOldValue($object) {
+    return mpull($object->getAwards(), 'getRecipientPHID');
+  }
+
+  public function applyExternalEffects($object, $value) {
+    $awards = $object->getAwards();
+    $awards = mpull($awards, null, 'getRecipientPHID');
+
+    foreach ($value as $phid) {
+      $award = idx($awards, $phid);
+      if (!$award) {
+        $award = PhabricatorBadgesAward::initializeNewBadgesAward(
+          $this->getActor(),
+          $object,
+          $phid);
+        $award->save();
+        $awards[] = $award;
+      }
+    }
+    $object->attachAwards($awards);
+    return;
+  }
+
+  public function getTitle() {
+    $new = $this->getNewValue();
+    if (!is_array($new)) {
+      $new = array();
+    }
+    $handles = $this->renderHandleList($new);
+    return pht(
+      '%s awarded this badge to %s recipient(s): %s.',
+      $this->renderAuthor(),
+      new PhutilNumber(count($new)),
+      $handles);
+  }
+
+  public function getTitleForFeed() {
+    $new = $this->getNewValue();
+    if (!is_array($new)) {
+      $new = array();
+    }
+    $handles = $this->renderHandleList($new);
+    return pht(
+      '%s awarded %s to %s recipient(s): %s.',
+      $this->renderAuthor(),
+      $this->renderObject(),
+      new PhutilNumber(count($new)),
+      $handles);
+  }
+
+  public function getIcon() {
+    return 'fa-user-plus';
+  }
+
+}
diff --git a/src/applications/badges/xaction/PhabricatorBadgesBadgeDescriptionTransaction.php b/src/applications/badges/xaction/PhabricatorBadgesBadgeDescriptionTransaction.php
new file mode 100644
index 0000000000..0abaafc9c6
--- /dev/null
+++ b/src/applications/badges/xaction/PhabricatorBadgesBadgeDescriptionTransaction.php
@@ -0,0 +1,57 @@
+<?php
+
+final class PhabricatorBadgesBadgeDescriptionTransaction
+  extends PhabricatorBadgesBadgeTransactionType {
+
+  const TRANSACTIONTYPE = 'badge.description';
+
+  public function generateOldValue($object) {
+    return $object->getDescription();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setDescription($value);
+  }
+
+  public function getTitle() {
+    return pht(
+      '%s updated the badge description.',
+      $this->renderAuthor());
+  }
+
+  public function getTitleForFeed() {
+    return pht(
+      '%s updated the badge description for %s.',
+      $this->renderAuthor(),
+      $this->renderObject());
+  }
+
+  public function hasChangeDetailView() {
+    return true;
+  }
+
+  public function getMailDiffSectionHeader() {
+    return pht('CHANGES TO BADGE DESCRIPTION');
+  }
+
+  public function newChangeDetailView() {
+    $viewer = $this->getViewer();
+
+    return id(new PhabricatorApplicationTransactionTextDiffDetailView())
+      ->setViewer($viewer)
+      ->setOldText($this->getOldValue())
+      ->setNewText($this->getNewValue());
+  }
+
+  public function newRemarkupChanges() {
+    $changes = array();
+
+    $changes[] = $this->newRemarkupChange()
+      ->setOldValue($this->getOldValue())
+      ->setNewValue($this->getNewValue());
+
+    return $changes;
+  }
+
+
+}
diff --git a/src/applications/badges/xaction/PhabricatorBadgesBadgeFlavorTransaction.php b/src/applications/badges/xaction/PhabricatorBadgesBadgeFlavorTransaction.php
new file mode 100644
index 0000000000..069ec09603
--- /dev/null
+++ b/src/applications/badges/xaction/PhabricatorBadgesBadgeFlavorTransaction.php
@@ -0,0 +1,33 @@
+<?php
+
+final class PhabricatorBadgesBadgeFlavorTransaction
+  extends PhabricatorBadgesBadgeTransactionType {
+
+  const TRANSACTIONTYPE = 'badge.flavor';
+
+  public function generateOldValue($object) {
+    return $object->getFlavor();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setFlavor($value);
+  }
+
+  public function getTitle() {
+    return pht(
+      '%s updated the flavor from %s to %s.',
+      $this->renderAuthor(),
+      $this->renderOldValue(),
+      $this->renderNewValue());
+  }
+
+  public function getTitleForFeed() {
+    return pht(
+      '%s updated %s flavor text from %s to %s.',
+      $this->renderAuthor(),
+      $this->renderObject(),
+      $this->renderOldValue(),
+      $this->renderNewValue());
+  }
+
+}
diff --git a/src/applications/badges/xaction/PhabricatorBadgesBadgeIconTransaction.php b/src/applications/badges/xaction/PhabricatorBadgesBadgeIconTransaction.php
new file mode 100644
index 0000000000..7c0f535192
--- /dev/null
+++ b/src/applications/badges/xaction/PhabricatorBadgesBadgeIconTransaction.php
@@ -0,0 +1,56 @@
+<?php
+
+final class PhabricatorBadgesBadgeIconTransaction
+  extends PhabricatorBadgesBadgeTransactionType {
+
+  const TRANSACTIONTYPE = 'badge.icon';
+
+  public function generateOldValue($object) {
+    return $object->getIcon();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setIcon($value);
+  }
+
+  public function shouldHide() {
+    if ($this->isCreateTransaction()) {
+      return true;
+    }
+
+    return false;
+  }
+
+  public function getTitle() {
+    $old = $this->getIconLabel($this->getOldValue());
+    $new = $this->getIconLabel($this->getNewValue());
+
+    return pht(
+      '%s changed the badge icon from %s to %s.',
+      $this->renderAuthor(),
+      $this->renderValue($old),
+      $this->renderValue($new));
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getIconLabel($this->getOldValue());
+    $new = $this->getIconLabel($this->getNewValue());
+
+    return pht(
+      '%s changed the badge icon for %s from %s to %s.',
+      $this->renderAuthor(),
+      $this->renderObject(),
+      $this->renderValue($old),
+      $this->renderValue($new));
+  }
+
+  private function getIconLabel($icon) {
+    $set = new PhabricatorBadgesIconSet();
+    return $set->getIconLabel($icon);
+  }
+
+  public function getIcon() {
+    return $this->getNewValue();
+  }
+
+}
diff --git a/src/applications/badges/xaction/PhabricatorBadgesBadgeNameTransaction.php b/src/applications/badges/xaction/PhabricatorBadgesBadgeNameTransaction.php
new file mode 100644
index 0000000000..4565c95fb7
--- /dev/null
+++ b/src/applications/badges/xaction/PhabricatorBadgesBadgeNameTransaction.php
@@ -0,0 +1,44 @@
+<?php
+
+final class PhabricatorBadgesBadgeNameTransaction
+  extends PhabricatorBadgesBadgeTransactionType {
+
+  const TRANSACTIONTYPE = 'badge.name';
+
+  public function generateOldValue($object) {
+    return $object->getName();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setName($value);
+  }
+
+  public function getTitle() {
+    return pht(
+      '%s renamed this badge from %s to %s.',
+      $this->renderAuthor(),
+      $this->renderOldValue(),
+      $this->renderNewValue());
+  }
+
+  public function getTitleForFeed() {
+    return pht(
+      '%s renamed %s badge %s to %s.',
+      $this->renderAuthor(),
+      $this->renderObject(),
+      $this->renderOldValue(),
+      $this->renderNewValue());
+  }
+
+  public function validateTransactions($object, array $xactions) {
+    $errors = array();
+
+    if ($this->isEmptyTextTransaction($object->getName(), $xactions)) {
+      $errors[] = $this->newRequiredError(
+        pht('Badges must have a name.'));
+    }
+
+    return $errors;
+  }
+
+}
diff --git a/src/applications/badges/xaction/PhabricatorBadgesBadgeQualityTransaction.php b/src/applications/badges/xaction/PhabricatorBadgesBadgeQualityTransaction.php
new file mode 100644
index 0000000000..de060c17e7
--- /dev/null
+++ b/src/applications/badges/xaction/PhabricatorBadgesBadgeQualityTransaction.php
@@ -0,0 +1,70 @@
+<?php
+
+final class PhabricatorBadgesBadgeQualityTransaction
+  extends PhabricatorBadgesBadgeTransactionType {
+
+  const TRANSACTIONTYPE = 'badge.quality';
+
+  public function generateOldValue($object) {
+    return $object->getQuality();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setQuality($value);
+  }
+
+  public function shouldHide() {
+    if ($this->isCreateTransaction()) {
+      return true;
+    }
+
+    return false;
+  }
+
+  public function getTitle() {
+    $old = $this->getQualityLabel($this->getOldValue());
+    $new = $this->getQualityLabel($this->getNewValue());
+
+    return pht(
+      '%s updated the quality from %s to %s.',
+      $this->renderAuthor(),
+      $old,
+      $new);
+  }
+
+  public function getTitleForFeed() {
+    $old = $this->getQualityLabel($this->getOldValue());
+    $new = $this->getQualityLabel($this->getNewValue());
+
+    return pht(
+      '%s updated %s quality from %s to %s.',
+      $this->renderAuthor(),
+      $this->renderObject(),
+      $new,
+      $old);
+  }
+
+  public function validateTransactions($object, array $xactions) {
+    $errors = array();
+
+    if ($this->isEmptyTextTransaction($object->getQuality(), $xactions)) {
+      $errors[] = $this->newRequiredError(
+        pht('Badge quality must be set.'));
+    }
+
+    $map = PhabricatorBadgesQuality::getQualityMap();
+    if (!$map[$object->getQuality()]) {
+      $errors[] = $this->newRequiredError(
+        pht('Badge quality is not valid.'));
+    }
+
+    return $errors;
+  }
+
+  private function getQualityLabel($quality) {
+    $map = PhabricatorBadgesQuality::getQualityMap();
+    $name = $map[$quality]['name'];
+    return $this->renderValue($name);
+  }
+
+}
diff --git a/src/applications/badges/xaction/PhabricatorBadgesBadgeRevokeTransaction.php b/src/applications/badges/xaction/PhabricatorBadgesBadgeRevokeTransaction.php
new file mode 100644
index 0000000000..704a518371
--- /dev/null
+++ b/src/applications/badges/xaction/PhabricatorBadgesBadgeRevokeTransaction.php
@@ -0,0 +1,54 @@
+<?php
+
+final class PhabricatorBadgesBadgeRevokeTransaction
+  extends PhabricatorBadgesBadgeTransactionType {
+
+  const TRANSACTIONTYPE = 'badge.revoke';
+
+  public function generateOldValue($object) {
+    return null;
+  }
+
+  public function applyExternalEffects($object, $value) {
+    $awards = $object->getAwards();
+    $awards = mpull($awards, null, 'getRecipientPHID');
+
+    foreach ($value as $phid) {
+      $awards[$phid]->delete();
+    }
+    $object->attachAwards($awards);
+    return;
+  }
+
+  public function getTitle() {
+    $new = $this->getNewValue();
+    if (!is_array($new)) {
+      $new = array();
+    }
+    $handles = $this->renderHandleList($new);
+    return pht(
+      '%s revoked this badge from %s recipient(s): %s.',
+      $this->renderAuthor(),
+      new PhutilNumber(count($new)),
+      $handles);
+  }
+
+  public function getTitleForFeed() {
+    $new = $this->getNewValue();
+    if (!is_array($new)) {
+      $new = array();
+    }
+    $handles = $this->renderHandleList($new);
+    return pht(
+      '%s revoked %s from %s recipient(s): %s.',
+      $this->renderAuthor(),
+      $this->renderObject(),
+      new PhutilNumber(count($new)),
+      $handles);
+  }
+
+  public function getIcon() {
+    return 'fa-user-times';
+  }
+
+}
diff --git a/src/applications/badges/xaction/PhabricatorBadgesBadgeStatusTransaction.php b/src/applications/badges/xaction/PhabricatorBadgesBadgeStatusTransaction.php
new file mode 100644
index 0000000000..ba5ad4a5c6
--- /dev/null
+++ b/src/applications/badges/xaction/PhabricatorBadgesBadgeStatusTransaction.php
@@ -0,0 +1,50 @@
+<?php
+
+final class PhabricatorBadgesBadgeStatusTransaction
+  extends PhabricatorBadgesBadgeTransactionType {
+
+  const TRANSACTIONTYPE = 'badges.status';
+
+  public function generateOldValue($object) {
+    return $object->getStatus();
+  }
+
+  public function applyInternalEffects($object, $value) {
+    $object->setStatus($value);
+  }
+
+  public function getTitle() {
+    if ($this->getNewValue() == PhabricatorBadgesBadge::STATUS_ARCHIVED) {
+      return pht(
+        '%s disabled this badge.',
+        $this->renderAuthor());
+    } else {
+      return pht(
+        '%s enabled this badge.',
+        $this->renderAuthor());
+    }
+  }
+
+  public function getTitleForFeed() {
+    if ($this->getNewValue() == PhabricatorBadgesBadge::STATUS_ARCHIVED) {
+      return pht(
+        '%s disabled the badge %s.',
+        $this->renderAuthor(),
+        $this->renderObject());
+    } else {
+      return pht(
+        '%s enabled the badge %s.',
+        $this->renderAuthor(),
+        $this->renderObject());
+    }
+  }
+
+  public function getIcon() {
+    if ($this->getNewValue() == PhabricatorBadgesBadge::STATUS_ARCHIVED) {
+      return 'fa-ban';
+    } else {
+      return 'fa-check';
+    }
+  }
+
+}
diff --git a/src/applications/badges/xaction/PhabricatorBadgesBadgeTransactionType.php b/src/applications/badges/xaction/PhabricatorBadgesBadgeTransactionType.php
new file mode 100644
index 0000000000..6d47301eeb
--- /dev/null
+++ b/src/applications/badges/xaction/PhabricatorBadgesBadgeTransactionType.php
@@ -0,0 +1,4 @@
+<?php
+
+abstract class PhabricatorBadgesBadgeTransactionType
+  extends PhabricatorModularTransactionType {}