exchange-2.0/database/migrations/2020_10_22_071150_create_employees_table.php

<?php

use App\Classes\ValueObjects\Constants\ApprovalStatus;
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class CreateEmployeesTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('employees', function (Blueprint $table) {
            $table->foreignId('company_id')->unsigned();
            $table->foreignId('user_id')->unsigned();
            $table->integer('status')->default(ApprovalStatus::APPROVED);

            $table->primary(['company_id', 'user_id']);
            $table->foreign('user_id')->references('id')->on('users');
            $table->foreign('company_id')->references('id')->on('companies');
        });
    }

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