laralog/app/Blog/Support/HomeViewMode.php

<?php

declare(strict_types=1);

namespace App\Blog\Support;

use Illuminate\Http\Request;

/**
 * Homepage / list browse mode, matching old SaBlog 标准 | 列表.
 */
class HomeViewMode
{
    public const LIST = 'list';

    public const FULL = 'full';

    public const CARD = 'card';

    public const COOKIE = 'll_home_view';

    /**
     * @return array<string, string>
     */
    public static function options(): array
    {
        return [
            self::LIST => '列表',
            self::FULL => '标准',
            self::CARD => '图文',
        ];
    }

    public static function isValid(mixed $value): bool
    {
        return is_string($value) && in_array($value, [self::LIST, self::FULL, self::CARD], true);
    }

    public static function resolve(?Request $request = null): string
    {
        $request ??= request();

        foreach ([
            $request->query('view'),
            $request->cookie(self::COOKIE),
            blog_setting('home_view_mode', config('blog.home_view_mode', self::LIST)),
        ] as $value) {
            if (self::isValid($value)) {
                return $value;
            }
        }

        return self::LIST;
    }

    public static function current(): string
    {
        $request = request();
        $mode = self::resolve($request);

        if (self::isValid($request->query('view'))) {
            cookie()->queue(cookie(self::COOKIE, (string) $request->query('view'), 60 * 24 * 30));
        }

        return $mode;
    }

    public static function url(string $mode): string
    {
        return request()->fullUrlWithQuery(['view' => $mode]);
    }
}