Handle side effects of accepting/declining

When declining an asset, it gets checked in.

app/Models/Traits/Acceptable.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Models\Traits;
+
+use App\Models\Asset;
+use App\Models\CustomField;
+use App\Models\User;
+use Illuminate\Database\Eloquent\Builder;
+
+
+trait Acceptable {
+    /**
+     * Run after the checkout acceptance was accepted by the user
+     * 
+     * @param  User   $acceptedBy
+     * @param  string $signature
+     */
+    public function acceptedCheckout(User $acceptedBy, $signature) {}
+
+    /**
+     * Run after the checkout acceptance was declined by the user
+     * 
+     * @param  User   $acceptedBy
+     * @param  string $signature
+     */ 
+    public function declinedCheckout(User $declinedBy, $signature) {}
+}