Upload multiple photos in a polymorphic relation

CanProcessPhotos.php

<?php
/**
 * Created by PhpStorm.
 * User: rannie
 * Date: 2/21/19
 * Time: 11:33 AM
 */

namespace App\Modules\Photos\Traits;


use App\Modules\Photos\Models\Photo;
use Carbon\Carbon;

trait CanProcessPhotos
{

    /**
     * Generate file name from base 64
     * @param $item
     * @return string
     */
    public function getFileNameFromBase64($item)
    {
        return Carbon::now()->timestamp . '_' . uniqid() . '.' . explode('/', explode(':', substr($item, 0, strpos($item, ';')))[1])[1];
    }

    /**
     * Moving to storage
     * @param $item
     * @param $fileName
     * @param $storageName
     */
    public function moveToStorage($item, $fileName, $storageName)
    {
        $exploded = explode(',', $item);
        $decoded = base64_decode($exploded[1]);
        \Storage::disk($storageName)->put($fileName, $decoded);
    }

    /**
     * Add photo details
     * @param $user
     * @param $fileName
     * @param $path
     * @param $isDefault
     */
    public function savePhotoDetails($user, $fileName, $path, $isDefault)
    {
        if (!is_null($fileName)) {
            $user->photos()->save(new Photo([
                'url' => url("/storage/$path/$fileName"),
                'is_default' => $isDefault
            ]));
        }
    }

    /**
     * Check if the item is array or not
     * @param $items
     * @param $disk
     * @param $user
     * @param $isDefault
     */
    public function checkIfIsArray($items, $disk, $user, $isDefault)
    {
        if (is_array($items)) {
            foreach ($items as $index => $value) {
                $this->uploadTheImage($items[$index], $disk, $user, $isDefault);
            }
        } else {
            $this->uploadTheImage($items, $disk, $user, $isDefault);
        }
    }

    /**
     * Upload image process
     * @param $item
     * @param $disk
     * @param $user
     * @param $isDefault
     */
    public function uploadTheImage($item, $disk, $user, $isDefault)
    {
        $fileName = $this->getFileNameFromBase64($item);
        $this->savePhotoDetails($user, $fileName, $disk, $isDefault);
        $this->moveToStorage($item, $fileName, $disk);
    }

    /**
     * Check the photo status if saving or updating
     * @param $status
     * @param $item
     * @param $disk
     * @param $user
     * @param $placeHolder
     * @param $isDefault
     */
    public function checkPhotoStatus($status, $item, $disk, $user, $placeHolder, $isDefault)
    {
        switch ($status) {
            case 'save':
                $this->isHavePhotos($item, $disk, $user, $placeHolder, $isDefault);
                break;
            case 'update':
                $user->photos()->delete();
                $this->isHavePhotos($item, $disk, $user, $placeHolder, $isDefault);
                break;
        }
    }

    /**
     * Check if there are photos to upload.
     * @param $item
     * @param $disk
     * @param $user
     * @param $placeHolder
     * @param $isDefault
     */
    public function isHavePhotos($item, $disk, $user, $placeHolder, $isDefault)
    {
        if (isset($item)) {
            $this->checkIfIsArray($item, $disk, $user, $isDefault);
        } else {
            $this->savePhotoDetails($user, $placeHolder, $disk, $isDefault);
        }
    }
}