From 027b2e13e99af15d99bbd848f3cde305f1a04665 Mon Sep 17 00:00:00 2001
From: James Brooks <jbrooksuk@me.com>
Date: Thu, 15 Dec 2016 20:09:59 +0000
Subject: [PATCH] Delete related points when deleting metrics

---
 app/Models/Metric.php | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/app/Models/Metric.php b/app/Models/Metric.php
index abafbd340..5ddeafc5a 100644
--- a/app/Models/Metric.php
+++ b/app/Models/Metric.php
@@ -141,6 +141,21 @@ class Metric extends Model implements HasPresenter
         'visible',
     ];
 
+    /**
+     * Overrides the models boot method.
+     *
+     * @return void
+     */
+    public static function boot()
+    {
+        parent::boot();
+
+        // When deleting a metric, delete the points too.
+        self::deleting(function ($model) {
+            $model->points()->delete();
+        });
+    }
+
     /**
      * Get the points relation.
      *