Creating relationships between users/items/products

app/Http/Controllers/ItemController.php

@@ -9,19 +9,17 @@ class ItemController extends Controller
 {
     public function show($id)
     {
-        $item = \DB::table('items')
-            ->join('products', 'items.product_id', '=', 'products.id')
-            ->where([['products.admin_id', \Auth::id()], ['items.id', $id]])
-            ->select('items.*', 'products.admin_id')
-            ->get();
-        $otherItems = Item::where([['product_id', $item[0]->product_id], ['id', '!=', $id]])->get();
+        $item = Item::find($id);
+        if (!$item || $item->product->user_id != \Auth::id()) return back();
+
+        $otherItems = Item::where([['product_id', $item->product_id], ['id', '!=', $id]])->get();
         return view('item', compact('item', 'otherItems'));
     }
 
     public function index()
     {
         //TODO: Fazer innerjoint com tabela de users por item
-        $items = Item::where('admin_id', \Auth::id())->get();
+        $items = Item::where('user_id', \Auth::id())->get();
         return view('item.index', compact('items'));
     }
 
@@ -40,6 +38,7 @@ class ItemController extends Controller
                 'product_id' => 'required'
             ]
         );
+
         $id = Item::insertGetId(['name' => request('item'), 'product_id' => request('product_id')]); //Just remember to add the fillable on Model to make this work
         \DB::table('item_user')->insert([ 'user_id' => \Auth::id(), 'item_id' => $id]);