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]);
 

app/Http/Controllers/ProductController.php

@@ -10,7 +10,7 @@ class ProductController extends Controller
 {
     public function index()
     {
-        $products = Product::where('admin_id', \Auth::id())->get();
+        $products = Product::where('user_id', \Auth::id())->get();
         return view('product.index', compact('products'));
     }
 
@@ -21,7 +21,7 @@ class ProductController extends Controller
      */
     public function store()
     {
-        Product::create(['name' => request('product'), 'admin_id' => \Auth::id()]); //Just remember to add the fillable on Model to make this work
+        Product::create(['name' => request('product'), 'user_id' => \Auth::id()]); //Just remember to add the fillable on Model to make this work
         return redirect('product');
     }
 
@@ -41,7 +41,7 @@ class ProductController extends Controller
      */
     public function show($id)
     {
-        $product = Product::where('admin_id', \Auth::id())->find($id);
+        $product = Product::where('user_id', \Auth::id())->find($id);
         return view('product.show', compact('product'));
     }
 }

app/Item.php

@@ -13,6 +13,11 @@ class Item extends Model
         return $this->belongsTo(Product::class);
     }
 
+    public function users()
+    {
+        return $this->belongsToMany(User::class);
+    }
+
     public function free($product_id, $user_id)
     {
         return $query->where([

app/Product.php

@@ -6,7 +6,7 @@ use Illuminate\Database\Eloquent\Model;
 
 class Product extends Model
 {
-    protected $fillable = ['admin_id', 'name'];
+    protected $fillable = ['user_id', 'name'];
 
     public function items()
     {

app/User.php

@@ -32,4 +32,9 @@ class User extends Authenticatable
     {
         return $this->hasMany(Product::class);
     }
+
+    public function items()
+    {
+        return $this->belongsToMany(Item::class);
+    }
 }

database/migrations/2018_09_08_192040_create_products_table.php

@@ -16,7 +16,7 @@ class CreateProductsTable extends Migration
         Schema::create('products', function (Blueprint $table) {
             $table->increments('id');
             $table->string('name');
-            $table->integer('admin_id');
+            $table->integer('user_id');
             $table->timestamps();
         });
     }

resources/views/item.blade.php

@@ -4,20 +4,9 @@
 <div class="container">
     <div class="row justify-content-center">
         <div class="col-md-8">
-
-            <form method="POST" action="/item" class="form-inline">
-            <div class="form-group">
-                {{ csrf_field() }}
-                <div class="col"><label for="product">Add Item: </label></div>
-                <div class="col-6"><input type="text" class="form-control" name="item" id="item" placeholder="One Hundred Years of Solitude" required></div>
-                <div class="col"><button type="submit" class="btn btn-primary">Insert</button></div>
-            </div>
-            @include ('layouts.errors')
-            </form>
-
             <div class="card mt-4">
                 <div class="card-header">
-                    Item: <strong>{{$item[0]->name}}</strong>
+                    Item: <strong>{{$item->name}}</strong>
                     @include ('item.buttons')
                 </div>
 

resources/views/item/buttons.blade.php

@@ -3,8 +3,8 @@
 
 
         <!-- EDIT BUTTON -->
-        @if ($item[0]->admin_id == \Auth::id())
-            <form action="/item/{{$item[0]->id}}" method="POST">
+        @if ($item->product->user_id == \Auth::id())
+            <form action="/item/{{$item->id}}" method="POST">
                 @method('PATCH')
                 <button type="button" class="btn-sm btn-secondary mr-1">Edit</button>
             </form>
@@ -12,7 +12,7 @@
 
 
         <!-- DELETE BUTTON -->
-        <form action="/item/{{$item[0]->id}}" method="POST">
+        <form action="/item/{{$item->id}}" method="POST">
             @method('DELETE')
             <button type="button" class="btn-sm btn-danger">Delete</button>
         </form>