auto calculating tracked_time and estimated_time both for master and sub task

be/app/Observers/SubTaskObserver.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace App\Observers;
+
+use App\Models\SubTask;
+
+class SubTaskObserver
+{
+    /**
+     * Handle the SubTask "created" event.
+     *
+     * @param  \App\Models\SubTask  $subTask
+     * @return void
+     */
+    public function created(SubTask $subTask)
+    {
+        //
+    }
+
+    public function updating(SubTask $subTask)
+    {
+        $subTask->tracked_time = $subTask->timesheets->sum('time');
+    }
+
+    /**
+     * Handle the SubTask "updated" event.
+     *
+     * @param  \App\Models\SubTask  $subTask
+     * @return void
+     */
+    public function updated(SubTask $subTask)
+    {
+        $subTask->mastertask->recalculateEstimatedTime();
+        $subTask->mastertask->recalculateTrackedTime();
+    }
+
+    /**
+     * Handle the SubTask "deleted" event.
+     *
+     * @param  \App\Models\SubTask  $subTask
+     * @return void
+     */
+    public function deleted(SubTask $subTask)
+    {
+        //
+    }
+
+    /**
+     * Handle the SubTask "restored" event.
+     *
+     * @param  \App\Models\SubTask  $subTask
+     * @return void
+     */
+    public function restored(SubTask $subTask)
+    {
+        //
+    }
+
+    /**
+     * Handle the SubTask "force deleted" event.
+     *
+     * @param  \App\Models\SubTask  $subTask
+     * @return void
+     */
+    public function forceDeleted(SubTask $subTask)
+    {
+        //
+    }
+}