Calculates the user assets path based on the user ID

UserFileHelper.php

<?php

namespace TheHelvetian\Helpers;

use Carbon\Carbon;

/**
 * Class UserFileHelper
 * @package TheHelvetian\Helpers
 */
class UserFileHelper
{
    /**
     * Calculates the user assets path based on the user ID
     *
     * @param int $user_id The user ID
     *
     * @return string
     */
    public static function getUserAssetsPath($user_id)
    {
        $pad_length = 10;
        $user_assets_path = '';
        $user_id_full = $user_id;
        $user_id_length = strlen($user_id);

        if ($user_id_length < $pad_length) {
            // Fill path with leading zeroes
            $user_id_full = number_format('1'.str_pad($user_id_full, $pad_length-1, '0', STR_PAD_LEFT));
            $user_id_full[0] = '0';
        } else {
            $user_id_full = number_format($user_id_full);
        }

        $path_parts = explode(',', $user_id_full);
        foreach ($path_parts as $part) {
            $user_assets_path .= $part.'/';
        }
        $user_assets_path .= $user_id;

        return $user_assets_path;
    }

    /**
     * Calculates today's folder name within the user assets path based on the user ID
     *
     * @param $user_id
     * @return string
     */
    public static function getTodayAssetsPath($user_id)
    {
        $user_assets_path = self::getUserAssetsPath($user_id);
        return $user_assets_path.'/'.Carbon::now()->toDateString();
    }
}