restore composer.json, add mysqli extension

app/Http/Requests/Site/Cart/CartStoreRequest.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Http\Requests\Site\Cart;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class CartStoreRequest extends FormRequest
+{
+
+    /**
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            'product_id' => 'required|exists:products,id',
+            'count' => 'required|numeric'
+        ];
+    }
+
+
+    /**
+     * @return mixed
+     */
+    public function getSize()
+    {
+        if ($this->get('size')) {
+            return $this->get('size');
+        }
+
+        return $this->get('size');
+    }
+}