2018_06_14_195931_create_messages_table.php

<?php

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

class CreateMessagesTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create(config('inbox.tables.messages', 'messages'), function (Blueprint $table) {
            $table->increments('id');
            $table->integer('user_id')->unsigned()->index();
            $table->integer('thread_id')->unsigned()->index();
            $table->text('body');

            $table->foreign('thread_id')->references('id')->on(config('inbox.tables.threads', 'threads'))->onDelete('cascade');

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

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