store-manage/app/Admin/Services/Train/BookService.php

<?php

namespace App\Admin\Services\Train;

use App\Admin\Filters\TrianBookFilter;
use App\Models\Train\Book;
use App\Admin\Services\BaseService;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\{Validator, Storage};

class BookService extends BaseService
{
    protected array $withRelationships = ['category'];

    protected string $modelName = Book::class;

    protected string $modelFilterName = TrianBookFilter::class;

    public function resloveData($data, $model = null)
    {
        if (isset($data['cover_image']) && $data['cover_image']) {
            $image = $data['cover_image'];
            $data['cover_image'] = Str::startsWith($image, ['http://', 'https://']) ? $image : Storage::url($image);
        }
        if (isset($data['video']) && $data['video']) {
            $image = $data['video'];
            $data['video'] = Str::startsWith($image, ['http://', 'https://']) ? $image : Storage::url($image);
        }
        if (isset($data['files']) && $data['files']) {
            $files = [];
            foreach ($data['files'] as $value) {
                $path = data_get($value, 'value');
                $value['url'] = Str::startsWith($path, ['http://', 'https://']) ? $path : Storage::url($path);
                array_push($files, $value);
            }
            $data['files'] = $files;
        }
        return $data;
    }

    public function validate($data, $model = null)
    {
        $createRules = [
            'title' => ['required'],
            'catgeory_id' => ['required'],
            'type' => ['required'],
            'files' => ['array'],
        ];
        $updateRules = [
            'files' => ['array'],
        ];
        $validator = Validator::make($data, $model ? $updateRules : $createRules);
        if ($validator->fails()) {
            return $validator->errors()->first();
        }
        return true;
    }
}