urban-filehub/database/migrations/2020_11_22_000000_create_links_table.php

<?php

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

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

            $table->string('hash');

            $table->uuid('user_id');
            $table->uuid('hub_id');

            $table->foreign('user_id')->references('id')->on('users');
            $table->foreign('hub_id')->references('id')->on('hubs');

            $table->timestamps();
        });
    }

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