first upload all files

Modules/Attribute/Admin/AttributeSetTabs.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Modules\Attribute\Admin;
+
+use Modules\Admin\Ui\Tab;
+use Modules\Admin\Ui\Tabs;
+
+class AttributeSetTabs extends Tabs
+{
+    public function make()
+    {
+        $this->group('attribute_set_information', trans('attribute::attribute_sets.tabs.group.attribute_set_information'))
+            ->active()
+            ->add($this->general());
+    }
+
+    private function general()
+    {
+        return tap(new Tab('general', trans('attribute::attribute_sets.tabs.general')), function (Tab $tab) {
+            $tab->active();
+            $tab->fields('name');
+            $tab->view('attribute::admin.attribute_sets.tabs.general');
+        });
+    }
+}

Modules/Attribute/Admin/AttributeTable.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Modules\Attribute\Admin;
+
+use Modules\Admin\Ui\AdminTable;
+
+class AttributeTable extends AdminTable
+{
+    /**
+     * Make table response for the resource.
+     *
+     * @return \Illuminate\Http\JsonResponse
+     */
+    public function make()
+    {
+        return $this->newTable()
+            ->addColumn('attribute_set', function ($attribute) {
+                return $attribute->attributeSet->name;
+            })
+            ->addColumn('is_filterable', function ($attribute) {
+                return $attribute->is_filterable
+                    ? trans('attribute::admin.table.yes')
+                    : trans('attribute::admin.table.no');
+            });
+    }
+}

Modules/Attribute/Admin/AttributeTabs.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Modules\Attribute\Admin;
+
+use Modules\Admin\Ui\Tab;
+use Modules\Admin\Ui\Tabs;
+use Modules\Category\Entities\Category;
+use Modules\Attribute\Entities\AttributeSet;
+
+class AttributeTabs extends Tabs
+{
+    public function make()
+    {
+        $this->group('attribute_set_information', trans('attribute::admin.tabs.group.attribute_information'))
+            ->active()
+            ->add($this->general())
+            ->add($this->values());
+    }
+
+    private function general()
+    {
+        return tap(new Tab('general', trans('attribute::admin.tabs.general')), function (Tab $tab) {
+            $tab->active();
+            $tab->weight(5);
+            $tab->fields(['attribute_set_id', 'name', 'slug']);
+            $tab->view('attribute::admin.attributes.tabs.general', [
+                'attributeSets' => $this->getAttributeSets(),
+                'categories' => Category::treeList(),
+            ]);
+        });
+    }
+
+    private function getAttributeSets()
+    {
+        return AttributeSet::all()->sortBy('name')->pluck('name', 'id')
+            ->prepend(trans('admin::admin.form.please_select'), '');
+    }
+
+    private function values()
+    {
+        return tap(new Tab('values', trans('attribute::admin.tabs.values')), function (Tab $tab) {
+            $tab->weight(10);
+            $tab->view('attribute::admin.attributes.tabs.values');
+        });
+    }
+}

Modules/Attribute/Admin/ProductTabsExtender.php

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+<?php
+
+namespace Modules\Attribute\Admin;
+
+use Modules\Admin\Ui\Tab;
+use Modules\Admin\Ui\Tabs;
+use Modules\Attribute\Entities\Attribute;
+use Modules\Attribute\Entities\AttributeSet;
+
+class ProductTabsExtender
+{
+    public function extend(Tabs $tabs)
+    {
+        $tabs->group('advanced_information')
+            ->add($this->attributes());
+    }
+
+    private function attributes()
+    {
+        if (! auth()->user()->hasAccess(['admin.attributes.index'])) {
+            return;
+        }
+
+        return tap(new Tab('attributes', trans('attribute::admin.tabs.product.attributes')), function (Tab $tab) {
+            $tab->weight(30);
+            $tab->fields(['attributes.*.attribute_id', 'attributes.*.values']);
+            $tab->view(function ($data) {
+                return view('attribute::admin.products.tabs.attributes', [
+                    'productAttributes' => $this->getProductAttributes($data['product']),
+                    'attributeSets' => $this->getAttributeSets(),
+                ]);
+            });
+        });
+    }
+
+    private function getProductAttributes($product)
+    {
+        $old = old('attributes');
+
+        if (is_null($old)) {
+            return $product->load('attributes')->attributes;
+        }
+
+        return $this->getOldAttributes($old);
+    }
+
+    public function getOldAttributes($old)
+    {
+        return Attribute::with(['values' => function ($query) use ($old) {
+            $query->whereIn('id', array_flatten(array_pluck($old, 'values')));
+        }])
+        ->whereIn('id', array_pluck($old, 'attribute_id'))
+        ->get();
+    }
+
+    private function getAttributeSets()
+    {
+        return AttributeSet::with('attributes.values')->get()->sortBy('name');
+    }
+}