firefly-iii/app/Models/Note.php

<?php
/**
 * Note.php
 * Copyright (c) 2017 thegrumpydictator@gmail.com
 *
 * This file is part of Firefly III.
 *
 * Firefly III is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Firefly III is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
 */
declare(strict_types=1);

namespace FireflyIII\Models;

use Illuminate\Database\Eloquent\Model;
use League\CommonMark\CommonMarkConverter;

/**
 * Class Note.
 */
class Note extends Model
{
    /**
     * The attributes that should be casted to native types.
     *
     * @var array
     */
    protected $casts
        = [
            'created_at' => 'datetime',
            'updated_at' => 'datetime',
            'deleted_at' => 'datetime',
        ];
    /** @var array */
    protected $fillable = ['title', 'text'];

    /**
     * @return string
     */
    public function getMarkdownAttribute(): string
    {
        $converter = new CommonMarkConverter;

        return $converter->convertToHtml($this->text);
    }

    /**
     * Get all of the owning noteable models. Currently piggy bank and
     * transaction journal.
     */
    public function noteable()
    {
        return $this->morphTo();
    }
}