wxgzh/app/Admin/Controllers/SpecialistContentController.php

<?php

namespace App\Admin\Controllers;

use App\Models\SpecialistCloumn;
use App\Models\SpecialistCloumnTag;
use App\Models\SpecialistInfo;
use Encore\Admin\Controllers\AdminController;
use Encore\Admin\Form;
use Encore\Admin\Grid;
use Encore\Admin\Show;

class SpecialistContentController extends AdminController
{
    /**
     * Title for current resource.
     *
     * @var string
     */
    protected $title = '健康课堂-内容管理';

    /**
     * Make a grid builder.
     *
     * @return Grid
     */
    protected function grid()
    {
        $grid = new Grid(new SpecialistInfo);

        $grid->column('id', __('ID'))->sortable();
        $grid->column('firstCloumn.name', __('一级栏目'));
        $grid->column('secondCloumn.name', __('二级栏目'));
        $grid->column('name', __('名称'))->limit(40);
        $grid->column('type', __('类别'))->display(function ($type) {
            return SpecialistInfo::$typeMap[$type];
        });
        $grid->column('rank', __('排序(越大越靠前)'))->sortable();
        $grid->column('created_at', __('创建时间'));
        $grid->column('updated_at', __('更新时间'));

        //过滤用到的一级栏目
        $cloumns = SpecialistCloumn::where('pid', 0)->get();
        $firstCloumns = [];
        foreach ($cloumns as $cloumn){
            $firstCloumns[$cloumn->id] = $cloumn->name;
        }

        // 过滤
        $grid->filter(function ($filter) use($firstCloumns){
            $filter->like('name', '名称');
            $filter->equal('first_id', '一级栏目')->select($firstCloumns);
            $filter->equal('type', '类别')->select(SpecialistInfo::$typeMap);
        });

        return $grid;
    }

    /**
     * Make a show builder.
     *
     * @param mixed   $id
     * @return Show
     */
    protected function detail($id)
    {
        $show = new Show(SpecialistInfo::findOrFail($id));

        $show->field('id', __('ID'));
        $show->field('created_at', __('Created at'));
        $show->field('updated_at', __('Updated at'));

        return $show;
    }

    /**
     * Make a form builder.
     *
     * @return Form
     */
    protected function form()
    {
        $form = new Form(new SpecialistInfo);

        $form->display('id', __('ID'))->rules('required');
        $form->select('first_id', '一级栏目')->options(SpecialistCloumn::where('pid', 0)->get()->pluck('name','id'))->rules("required")->load('second_id', '/admin/second_column');

        $id = 0;
        if($form->isEditing()){
            //获取id
            $parameters = request()->route()->parameters();
            $id = $parameters['specialist_content'];
        }

        if ($id > 0) {
            $info = $form->model()->find($id);
            $secondCategory = SpecialistCloumn::where('pid', $info->first_id)->get()->pluck('name','id');
        } else {
            $secondCategory = [];
        }
        $form->select('second_id', '二级栏目')->options($secondCategory)->load('tag_id', '/admin/tags')->default(0);
        if ($id > 0) {
            $tags = SpecialistCloumnTag::where('specialist_cloumn_id', $info->second_id)->get()->pluck('name','id');
        } else {
            $tags = [];
        }
        $form->select('tag_id', '标签')->options($tags)->default(0);
        $form->text('name', __('名称'))->rules('required');
        $form->textarea('subtitle', __('描述'))->rules('required');
        $form->editor('content', __('内容'))->required()->rules('required');;
        $form->multipleImage('cover', __('封面'))->removable()->uniqueName()->move('pics/'.date('Y').'/'.date('m'));
        $form->file('video', __('视频'))->removable()->uniqueName()->move('videos/'.date('Y').'/'.date('m'));
        $form->text('speaker', __('主讲'));
        $form->text('source', __('来源'));
        $form->number('rank', __('排序(越大越靠前)'))->default(0);
        $form->list('comment_tag', __('推荐标签'));

        $form->saved(function(Form $form){

            $id = $form->model()->id;

            $info = SpecialistInfo::find($id);

            $newUpdate = [];
            if ($info->video){
                $newUpdate['type'] = SpecialistInfo::TYPE_3;
            }elseif ($info->cover){
                $newUpdate['type'] = SpecialistInfo::TYPE_2;
            }else{
                $newUpdate['type'] = SpecialistInfo::TYPE_1;
            }

            SpecialistInfo::where('id', $id)->update($newUpdate);
        });

        return $form;
    }
}