Including Items and Products views and controllers

app/Item.php

@@ -7,9 +7,10 @@ use Illuminate\Database\Eloquent\Model;
 class Item extends Model
 {
     //
-    public function free($productID)
+    public function free($productID, $userID)
     {
         return $query->where([
+            ['userID', $userID],
             ['productID', $productID],
             ['usedBy', ''],
         ]);