Including Item and Product migration, controllers and models

app/Item.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Item extends Model
+{
+    //
+    public function free($productID)
+    {
+        return $query->where([
+            ['productID', $productID],
+            ['usedBy', ''],
+        ]);
+    }
+
+}