Change namespace of rules.

app/TransactionRules/Actions/SetDescription.php

@@ -0,0 +1,63 @@
+<?php
+/**
+ * SetDescription.php
+ * Copyright (C) 2016 thegrumpydictator@gmail.com
+ *
+ * This software may be modified and distributed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International License.
+ *
+ * See the LICENSE file for details.
+ */
+
+declare(strict_types=1);
+
+namespace FireflyIII\TransactionRules\Actions;
+
+use FireflyIII\Models\RuleAction;
+use FireflyIII\Models\TransactionJournal;
+use Log;
+
+/**
+ * Class SetDescription
+ *
+ * @package FireflyIII\TransactionRules\Actions
+ */
+class SetDescription implements ActionInterface
+{
+
+    private $action;
+
+
+    /**
+     * TriggerInterface constructor.
+     *
+     * @param RuleAction $action
+     */
+    public function __construct(RuleAction $action)
+    {
+        $this->action = $action;
+    }
+
+    /**
+     * @param TransactionJournal $journal
+     *
+     * @return bool
+     */
+    public function act(TransactionJournal $journal): bool
+    {
+        $oldDescription = $journal->description;
+
+        $journal->description = $this->action->action_value;
+        $journal->save();
+
+        Log::debug(
+            sprintf(
+                'RuleAction SetDescription changed the description of journal #%d from "%s" to "%s".', $journal->id,
+                $oldDescription,
+                $this->action->action_value
+            )
+        );
+
+        return true;
+    }
+}