Only send component change email when the status changes. Fixes #1989

app/Bus/Events/Component/ComponentStatusWasUpdatedEvent.php

@@ -0,0 +1,59 @@
+<?php
+
+/*
+ * This file is part of Cachet.
+ *
+ * (c) Alt Three Services Limited
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace CachetHQ\Cachet\Bus\Events\Component;
+
+use CachetHQ\Cachet\Models\Component;
+
+/**
+ * This is the component status was updated event.
+ *
+ * @author James Brooks <james@alt-three.com>
+ */
+final class ComponentStatusWasUpdatedEvent implements ComponentEventInterface
+{
+    /**
+     * The component that was updated.
+     *
+     * @var \CachetHQ\Cachet\Models\Component
+     */
+    public $component;
+
+    /**
+     * The original status of the component.
+     *
+     * @var int
+     */
+    public $original_status;
+
+    /**
+     * The new status of the component.
+     *
+     * @var int
+     */
+    public $new_status;
+
+    /**
+     * Create a new component was updated event instance.
+     *
+     * @param \CachetHQ\Cachet\Models\Component $component
+     * @param int                               $original_status
+     * @param int                               $new_status
+     *
+     * @return void
+     */
+    public function __construct(Component $component, $original_status, $new_status)
+    {
+        $this->component = $component;
+        $this->original_status = $original_status;
+        $this->new_status = $new_status;
+    }
+}