[Third-Party] Add extension to kick back to author

src/extensions/herald/customaction/KickBackAction.php

@@ -0,0 +1,54 @@
+<?php
+
+class KickBackAction extends HeraldCustomAction {
+
+  public function appliesToAdapter(HeraldAdapter $adapter) {
+    return ($adapter instanceof HeraldManiphestTaskAdapter);
+  }
+
+  public function appliesToRuleType($rule_type) {
+    switch ($rule_type) {
+      case HeraldRuleTypeConfig::RULE_TYPE_GLOBAL:
+        return true;
+      case HeraldRuleTypeConfig::RULE_TYPE_PERSONAL:
+      case HeraldRuleTypeConfig::RULE_TYPE_OBJECT:
+      default:
+        return false;
+    }
+  }
+
+  public function getActionKey() {
+    return "swisspol.kick";
+  }
+
+  public function getActionName() {
+    return pht('Reassign to author');
+  }
+
+  public function getActionType() {
+    return HeraldAdapter::VALUE_NONE;
+  }
+
+  public function applyEffect(
+    HeraldAdapter $adapter,
+    $object,
+    HeraldEffect $effect) {
+
+    $task = $object;
+
+    $xactions = array();
+
+    $xactions[] = id(new ManiphestTransaction())
+      ->setTransactionType(ManiphestTransaction::TYPE_OWNER)
+      ->setNewValue($original_author);
+
+    foreach ($xactions as $xaction) {
+      $adapter->queueTransaction($xaction);
+    }
+
+    return new HeraldApplyTranscript(
+      $effect,
+      true,
+      pht('Reassigned to original author'));
+  }
+}