jiqu-library-server/app/Admin/Controllers/ArticleController.php

<?php

namespace App\Admin\Controllers;

use App\Admin\Repositories\Article;
use App\Models\ArticleCategory;
use Carbon\Carbon;
use Dcat\Admin\Admin;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Grid\Column;
use Dcat\Admin\Http\Controllers\AdminController;
use Dcat\Admin\Show;

class ArticleController extends AdminController
{
    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        $builder = Article::with('category');
        return Grid::make($builder, function (Grid $grid) {
            $grid->column('id')->sortable();
            $grid->column('title');
            $grid->column('category.name')->label();
            // $grid->column('author_name');
            $grid->column('subtitle')->limit(20);
            $grid->column('cover')->image(100, 100);
            $grid->column('points');
            $grid->column('likes');
            $grid->column('jump_type')->using([
                '0'=>__('admin_message.article.jump_type.radio.0'),
                '1'=>__('admin_message.article.jump_type.radio.1'),
                '2'=>__('admin_message.article.jump_type.radio.2'),
            ])->label();
            $grid->column('jump_link');
            $grid->column('is_show')
                ->if(function () {
                    return Admin::user()->can('dcat.admin.articles.edit');
                })
                ->then(function (Column $column) {
                    $column->switch();
                })
                ->else(function (Column $column) {
                    $column->bool();
                });
            $grid->column('is_recommend')
                ->if(function () {
                    return Admin::user()->can('dcat.admin.articles.edit');
                })
                ->then(function (Column $column) {
                    $column->switch();
                })
                ->else(function (Column $column) {
                    $column->bool();
                });
            $grid->column('created_at')->sortable();

            //排序
            $grid->model()->orderBy('created_at', 'desc');

            /** 操作 **/
            //新增
            if (Admin::user()->can('dcat.admin.articles.create')) {
                $grid->disableCreateButton(false);
                // $grid->enableDialogCreate();
            }

            //删除以及自定义操作
            $grid->actions(function (Grid\Displayers\Actions $actions) {
                $actions->disableDelete(Admin::user()->cannot('dcat.admin.articles.destroy'));
                //修改
                $actions->disableEdit(Admin::user()->cannot('dcat.admin.articles.edit'));
            });

            /** 查询 **/
            $grid->filter(function (Grid\Filter $filter) {
                $filter->panel();
                $filter->where('category', function ($query) {
                    $query->whereIn('category_id', ArticleCategory::descendantsAndSelf($this->input, ['id'])->pluck('id'));
                }, __('article.fields.category.name'))->select(ArticleCategory::selectOptions())->width(3);
                $filter->like('title')->width(3);
            });
        });
    }

    /**
     * Make a show builder.
     *
     * @param mixed $id
     *
     * @return Show
     */
    protected function detail($id)
    {
        return Show::make($id, new Article(), function (Show $show) {
            $show->field('id');
            $show->field('category_id');
            $show->field('title');
            $show->field('author_name');
            $show->field('subtitle');
            $show->field('cover');
            $show->field('content');
            $show->field('jump_type');
            $show->field('jump_link');
            $show->field('created_at');
            $show->field('updated_at');
        });
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        return Form::make(new Article(), function (Form $form) {
            $form->display('id');
            $form->select('category_id')->options(ArticleCategory::selectOptions())->required();
            $form->text('title')->required();
            // $form->text('author_name');
            $form->text('subtitle');
            $form->image('cover')
                ->move('articles/'.Carbon::now()->toDateString())
                ->saveFullUrl()
                ->removable(false)
                ->autoUpload()->retainable();
            $form->radio('media_type')
                ->when(1, function (Form $form) {
                    $form->multipleImage('media_content1')
                        ->move('articles/'.Carbon::now()->toDateString())
                        ->saveFullUrl()
                        ->removable(false)
                        ->autoUpload()->autoSave(false)->retainable()->customFormat(function ($v) {
                            $v = [];
                            if ($this->model()->media_type == 1) {
                                $v = json_decode($this->model()->media_content, true);
                            }
                            return $v;
                        });
                })->when(2, function (Form $form) {
                    $form->file('media_content2')->chunked()
                        ->accept('mp3', 'mp3/*')
                        ->move('articles/media/'.Carbon::now()->toDateString())
                        ->maxSize(204800)//默认最大200M
                        ->saveFullUrl()
                        ->removable(false)
                        ->autoUpload()->autoSave(false)->customFormat(function ($v) {
                            if ($this->model()->media_type == 2) {
                                $v = json_decode($this->model()->media_content, true)[0];
                            }
                            return $v;
                        });
                })->when(3, function (Form $form) {
                    $form->file('media_content3')->chunked()
                        ->accept('mp4', 'mp4/*')
                        ->move('articles/media/'.Carbon::now()->toDateString())
                        ->maxSize(204800)//默认最大200M
                        ->saveFullUrl()
                        ->removable(false)
                        ->autoUpload()->autoSave(false)->customFormat(function ($v) {
                            if ($this->model()->media_type == 3) {
                                $v = json_decode($this->model()->media_content, true)[0];
                            }
                            return $v;
                        });
                })
                ->options([
                    '0'=>'无', '1'=>'轮播图', '2'=>'音频', '3'=>'视频',
                ])->default(1);
            $form->editor('content');
            $form->number('points');
            $form->radio('jump_type')->options([
                '0'=>__('admin_message.article.jump_type.radio.0'),
                '1'=>__('admin_message.article.jump_type.radio.1'),
                '2'=>__('admin_message.article.jump_type.radio.2'),
            ])->default(0);
            $form->text('jump_link');
            $form->switch('is_show');
            $form->switch('is_recommend');
            $form->number('sort')->min(0)->default(0);
            $form->hidden('media_content');

            $form->saving(function (Form $form) {
                if (!is_null($form->media_type)) {
                    switch ($form->media_type) {
                        case 1:
                            $form->media_content = json_encode($form->media_content1);
                            break;
                        case 2:
                            $form->media_content = json_encode([$form->media_content2]);
                            break;
                        case 3:
                            $form->media_content = json_encode([$form->media_content3]);
                            break;
                        default:
                            $form->media_content = null;
                            break;
                    }
                    $form->deleteInput('media_content1');
                    $form->deleteInput('media_content2');
                    $form->deleteInput('media_content3');
                }
            });

            $form->display('created_at');
            $form->display('updated_at');
        });
    }
}