<?php

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

class CreatePartsStoragesTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('parts_storage', function (Blueprint $table) {
            $table->id();
            $table->integer('part_id')->comment('id детали, parts');
            $table->integer('warehouse_id')->comment('id склада');
            $table->integer('amount')->comment('количество');
            $table->string('type')->comment('склад сервиса или подразделения');

            $table->timestamp('created_at')->nullable()->useCurrent();
            $table->timestamp('updated_at')->nullable()->useCurrent();

            $table->index(['part_id', 'warehouse_id', 'type'], 'part_id');
        });
    }

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