feature flags and a bit on the design

app/Models/Product.php

@@ -40,6 +40,14 @@ class Product extends Model
         ];
     }
 
+    /**
+     * Get the route key for the model.
+     */
+    public function getRouteKeyName(): string
+    {
+        return 'slug';
+    }
+
     /**
      * Boot the model.
      */

app/Models/WaitlistEntry.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class WaitlistEntry extends Model
+{
+    protected $fillable = [
+        'email',
+        'notified',
+    ];
+
+    protected $casts = [
+        'notified' => 'boolean',
+    ];
+}