<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class CreateCartsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('carts', function (Blueprint $table) {
            $table->id();

            $table->integer('part_id')->comment('id детали, parts');
            $table->integer('user_id')->comment('id user');
            $table->integer('amount')->unsigned();
            $table->timestamp('created_at')->nullable()->useCurrent();
            $table->timestamp('updated_at')->nullable()->useCurrent();

            $table->index('user_id');
            $table->unique(['part_id', 'user_id']);
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('carts');
    }
}