coreality-inc/app/Http/Controllers/Admin/HomeCarouselCrudController.php

<?php

namespace App\Http\Controllers\Admin;

use App\Http\Requests\HomeCarouselRequest;
use Backpack\CRUD\app\Http\Controllers\CrudController;
use Backpack\CRUD\app\Library\CrudPanel\CrudPanelFacade as CRUD;

/**
 * Class HomeCarouselCrudController
 * @package App\Http\Controllers\Admin
 * @property-read \Backpack\CRUD\app\Library\CrudPanel\CrudPanel $crud
 */
class HomeCarouselCrudController extends CrudController
{
    use \Backpack\CRUD\app\Http\Controllers\Operations\ListOperation;
    use \Backpack\CRUD\app\Http\Controllers\Operations\CreateOperation;
    use \Backpack\CRUD\app\Http\Controllers\Operations\UpdateOperation;
    use \Backpack\CRUD\app\Http\Controllers\Operations\DeleteOperation;
    //use \Backpack\CRUD\app\Http\Controllers\Operations\ShowOperation;
    use \Backpack\CRUD\app\Http\Controllers\Operations\ReorderOperation;
    use \Backpack\CRUD\app\Http\Controllers\Operations\DeleteOperation { destroy as traitDestroy; }
    public function destroy($id)
    {
        //CRUD::hasAccessOrFail('delete');
        if (\App\Models\HomeCarousel::count() <= 7) 
        {
            $this->crud->allowAccess('create');
        }
        
        return CRUD::delete($id);
    }
    /**
     * Configure the CrudPanel object. Apply settings to all operations.
     * 
     * @return void
     */
    public function setup()
    {
        CRUD::setModel(\App\Models\HomeCarousel::class);
        CRUD::setRoute(config('backpack.base.route_prefix') . '/home-carousel');
        CRUD::setEntityNameStrings(trans('backend.home_carousel.content.item'), trans('backend.home_carousel.content.items'));
        
        
    }

    protected function setupReorderOperation()
    {
        CRUD::set('reorder.label', 'title');
        CRUD::set('reorder.max_level', 1);
    }

    /**
     * Define what happens when the List operation is loaded.
     * 
     * @see  https://backpackforlaravel.com/docs/crud-operation-list-entries
     * @return void
     */
    protected function setupListOperation()
    {
        if (! $this->crud->getRequest()->has('order')){
            $this->crud->orderBy('lft', 'asc')->orderBy('id', 'desc');
        }

        if (\App\Models\HomeCarousel::count() >= 6) 
        {
            $this->crud->denyAccess('create');
        }
        else
        {
            $this->crud->allowAccess('create');
        }

        $this->crud->addColumns([
            [
                'name'  => 'is_front_show',
                'label' => trans('backend.columnName.is_front_show'),
                'type'  => 'checkbox'
            ],
            [
                'name'  => 'title',
                'label' => trans('backend.columnName.title'),
                'type'  => 'text'
            ]
        ]);
    }

    /**
     * Define what happens when the Create operation is loaded.
     * 
     * @see https://backpackforlaravel.com/docs/crud-operation-create
     * @return void
     */
    protected function setupCreateOperation()
    {
        CRUD::setValidation(HomeCarouselRequest::class);
        CRUD::addFields([
            [
                'name'  => 'is_front_show',
                'label' => trans('backend.columnName.is_front_show'),
                'type'  => 'boolean',
                'default' => true,
            ],
            [
                'name'  => 'title',
                'label' => trans('backend.columnName.title'),
                'type'  => 'text'
            ],
            [
                'name'  => 'body',
                'label' => trans('backend.columnName.body'),
                'type'  => 'textarea'
            ],
            [
                'name'  => 'link',
                'label' => trans('backend.columnName.link'),
                'type'  => 'text'
            ],
            [
                'name'    => 'featured_photos',
                'label'   => trans('backend.columnName.featured_img'),
                'type'    => 'upload_img_multiple',
                'upload'  => true,
                'disk'    => 'public',
                'hint'    => '',
                'qty'     => 1, // 0=no limit, >0=limit
                'showSingleChoise' => '0', // 0=hidden, 1=show(default)
                'showComment' => '0', // 0=hidden, 1=show(default)
            ],
            [
                'name'    => 'photos',
                'label'   => trans('backend.columnName.cover'),
                'type'    => 'upload_img_multiple',
                'upload'  => true,
                'disk'    => 'public',
                'hint'    => '',
                'qty'     => 1, // 0=no limit, >0=limit
                'showSingleChoise' => '0', // 0=hidden, 1=show(default)
                'showComment' => '0', // 0=hidden, 1=show(default)
            ],
        ]);
    }

    /**
     * Define what happens when the Update operation is loaded.
     * 
     * @see https://backpackforlaravel.com/docs/crud-operation-update
     * @return void
     */
    protected function setupUpdateOperation()
    {
        $this->setupCreateOperation();
    }
}