timeblock finished email notification

be/app/Observers/TimeBlockObserver.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Observers;
+
+use App\Events\TimeBlockFinished;
+use App\Models\Timeblock;
+
+class TimeBlockObserver
+{
+
+    public function updating(Timeblock $timeblock)
+    {
+        if ($timeblock->getOriginal('is_finished') == 0 && $timeblock->is_finished == 1) {
+            TimeBlockFinished::dispatch($timeblock);
+        }
+    }
+}