kknongchang_2506/app/Module/Article/AdminControllers/ArticleCateController.php

<?php

namespace App\Module\Article\AdminControllers;

use App\Module\Article\AdminControllers\Helper\FilterHelper;
use App\Module\Article\AdminControllers\Helper\FormHelper;
use App\Module\Article\AdminControllers\Helper\GridHelper;
use App\Module\Article\AdminControllers\Helper\ShowHelper;
use App\Module\Article\Enums\STATUS;
use App\Module\Article\Models\ArticleCate;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Layout\Content;
use Dcat\Admin\Layout\Row;
use Dcat\Admin\Show;
use Dcat\Admin\Tree;
use Spatie\RouteAttributes\Attributes\Resource;
use UCore\DcatAdmin\AdminController;

/**
 * 文章分类控制器
 */
#[Resource('article-cates', names: 'dcat.admin.article-cates')]
class ArticleCateController extends AdminController
{
    /**
     * 页面标题
     *
     * @var string
     */
    protected $title = '文章分类管理';

    /**
     * 首页
     *
     * @param Content $content
     * @return Content
     */
    public function index(Content $content)
    {
        return $content
            ->title($this->title)
            ->description('管理文章分类')
            ->body(function (Row $row) {
                $row->column(6, $this->treeView());
                $row->column(6, $this->grid());
            });
    }

    /**
     * 树形视图
     *
     * @return Tree
     */
    protected function treeView()
    {
        return new Tree(new ArticleCate(), function (Tree $tree) {
            $tree->branch(function ($branch) {
                $status = $branch['status'] == STATUS::SHOW->value ? '显示' : '隐藏';
                $icon = $branch['img'] ? "<img src='{$branch['img']}' width='30' height='30'>" : '';

                return "{$icon} {$branch['title']} ({$branch['unid']}) <span class='text-muted'>[{$status}]</span>";
            });
        });
    }

    /**
     * 列表页
     *
     * @return Grid
     */
    protected function grid()
    {
        return Grid::make(new ArticleCate(), function (Grid $grid) {
            $helper = new GridHelper($grid, $this);

            $helper->columnId();
            $grid->column('title', '分类名称');
            $grid->column('unid', '标识');
            $grid->column('img', '图标')->image('', 50, 50);
            $helper->columnStatus();
            $grid->column('desc1', '描述')->limit(30);
            $grid->column('pid', '父级分类')->display(function ($pid) {
                if (!$pid) return '顶级';
                $parent = ArticleCate::find($pid);
                return $parent ? $parent->title : '';
            });
            $helper->columnCreatedAt();
            $helper->columnUpdatedAt();

            // 筛选
            $grid->filter(function (Grid\Filter $filter) {
                $helper = new FilterHelper($filter, $this);
                $helper->equalId();
                $filter->like('title', '分类名称');
                $filter->like('unid', '标识');
                $helper->equalStatus();
                $filter->equal('pid', '父级分类')->select(function () {
                    $options = [0 => '顶级'];
                    $categories = ArticleCate::all();
                    foreach ($categories as $category) {
                        $options[$category->id] = $category->title;
                    }
                    return $options;
                });
            });

            // 禁用批量删除
            $grid->disableBatchDelete();

            // 行操作
            $grid->actions(function (Grid\Displayers\Actions $actions) {
                // 如果不可删除，禁用删除按钮
                if (!$actions->row->can_delete) {
                    $actions->disableDelete();
                }
            });
        });
    }

    /**
     * 详情页
     *
     * @param mixed $id
     * @return Show
     */
    protected function detail($id)
    {
        return Show::make($id, new ArticleCate(), function (Show $show) {
            $helper = new ShowHelper($show, $this);

            $helper->fieldId();
            $show->field('title', '分类名称');
            $show->field('unid', '标识');
            $show->field('img', '图标')->image();
            $show->field('status', '状态')->using(STATUS::getValueDescription());
            $show->field('desc1', '描述');
            $show->field('pid', '父级分类')->as(function ($pid) {
                if (!$pid) return '顶级';
                $parent = ArticleCate::find($pid);
                return $parent ? $parent->title : '';
            });
            $show->field('can_delete', '可删除')->as(function ($value) {
                return $value ? '是' : '否';
            });
            $helper->fieldCreatedAt();
            $helper->fieldUpdatedAt();
        });
    }

    /**
     * 表单
     *
     * @return Form
     */
    protected function form()
    {
        return Form::make(new ArticleCate(), function (Form $form) {
            $helper = new FormHelper($form, $this);

            $form->display('id', 'ID');
            $form->text('title', '分类名称')->required()->rules('required|max:200');
            $form->text('unid', '标识')->required()->rules('required|max:100');
            $form->image('img', '图标')
                ->uniqueName()
                ->autoUpload();
            $helper->selectStatus();
            $form->textarea('desc1', '描述')->rows(3)->rules('max:200');

            // 父级分类选择，排除自己及其子分类
            $form->select('pid', '父级分类')
                ->options(function () use ($form) {
                    $categories = ArticleCate::all();
                    $options = [0 => '顶级'];

                    // 当前分类ID
                    $currentId = $form->model()->id;

                    foreach ($categories as $category) {
                        // 排除自己及其子分类
                        if ($currentId && ($category->id == $currentId || $category->pid == $currentId)) {
                            continue;
                        }
                        $options[$category->id] = $category->title;
                    }

                    return $options;
                })
                ->default(0);

            // 系统分类不可删除
            if ($form->isEditing()) {
                $form->switch('can_delete', '可删除')
                    ->default(1)
                    ->help('系统分类不可删除');
            } else {
                $form->hidden('can_delete')->value(1);
            }

            $form->display('created_at', '创建时间');
            $form->display('updated_at', '更新时间');
        });
    }
}