birzha-legalizasia/app/Http/Controllers/Admin/TicketCrudController.php

<?php

namespace App\Http\Controllers\Admin;

use App\Http\Requests\TicketRequest;
use App\Models\Status;
use Backpack\CRUD\app\Http\Controllers\CrudController;
use Backpack\CRUD\app\Library\CrudPanel\CrudPanelFacade as CRUD;

/**
 * Class TicketCrudController
 * @package App\Http\Controllers\Admin
 * @property-read \Backpack\CRUD\app\Library\CrudPanel\CrudPanel $crud
 */
class TicketCrudController 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;

    /**
     * Configure the CrudPanel object. Apply settings to all operations.
     *
     * @return void
     */
    public function setup()
    {
        if(!(backpack_user()->hasPermissionTo('tickets'))){
            $this->crud->denyAccess(['delete', 'update']);
        }
        CRUD::setModel(\App\Models\Ticket::class);
        CRUD::setRoute(config('backpack.base.route_prefix') . '/ticket');
        CRUD::setEntityNameStrings(trans('app.ticket.title'), trans('app.ticket.list_title'));

        // select2 filter
        $this->crud->addFilter([
            'name'  => 'status',
            'type'  => 'select2',
            'label' => trans('app.ticket.status'),
        ], function () {
            return Status::get()->pluck('name', 'id')->toArray();
        }, function ($value) { // if the filter is active
            $this->crud->addClause('where', 'status_id', $value);
        });
    }

    /**
     * Define what happens when the List operation is loaded.
     *
     * @see  https://backpackforlaravel.com/docs/crud-operation-list-entries
     * @return void
     */
    protected function setupListOperation()
    {
        $this->crud->addColumns([
            [
                'name' => 'content',
                'type' => 'text',
                'label' => trans('app.ticket.content')
            ],
            [
                'name' => 'title',
                'type' => 'text',
                'label' => trans('app.ticket.ticket_title')
            ],
            [
                'name' => 'client_id',
                'type' => 'account_profile_name',
                'label' => trans('app.ticket.account'),
            ],
            [
                'name' => 'status',
                'type' => 'status',
                'label' => trans('app.ticket.status'),
            ],
            [
                'name'  => 'application_id',
                'type' => 'text',
                'label' => trans('app.ticket.application_id')
            ]
        ]);

        $this->crud->addButtonFromModelFunction('line', 'messages', 'messagesOfTicket', 'beginning');
    }

    /**
     * Define what happens when the Create operation is loaded.
     *
     * @see https://backpackforlaravel.com/docs/crud-operation-create
     * @return void
     */
    protected function setupCreateOperation()
    {
        CRUD::setValidation(TicketRequest::class);

        $this->crud->addFields([
            [
                'name'  => 'title',
                'type'  => 'text',
                'label' => trans('app.ticket.ticket_title')
            ],
            [
                'name'  => 'content',
                'type'  => 'textarea',
                'label' =>  trans('app.ticket.content')
            ],
            // [   // SelectMultiple = n-n relationship (with pivot table)
            //     'label'     => trans('app.ticket.account'),
            //     'type'      => 'custom_select_account',
            //     'name'      => 'client_id', // the method that defines the relationship in your Model
            //     'entity'    => 'account', // the method that defines the relationship in your Model
            //     'model'     => "App\Models\Account", // foreign key model
            //     'attribute_1' => 'name', // foreign key attribute that is shown to user
            //     'attribute_2' => 'surname',
            // ],
            [
                'label'       => trans('app.ticket.account'), // Table column heading
                'type'        => "select2_from_ajax",
                'name'        => 'client_id', // the column that contains the ID of that connected entity
                'entity'      => 'account', // the method that defines the relationship in your Model
                'attribute'   => "name", // foreign key attribute that is shown to user
                'data_source' => backpack_url('account/fetch'),

                // OPTIONAL
                // 'delay'                   => 500, // the minimum amount of time between ajax requests when searching in the field
                'placeholder'             => "Select a client", // placeholder for the select
                'minimum_input_length'    => 2, // minimum characters to type before querying results
                'model'                   => "App\Models\Account", // foreign key model
                // 'dependencies'            => ['category'], // when a dependency changes, this select2 is reset to null
                'method'                  => 'POST', // optional - HTTP method to use for the AJAX call (GET, POST)
                // 'include_all_form_fields' => false, // optional - only send the current field through AJAX (for a smaller payload if you're not using multiple chained select2s)

            ],
            [
                'name'      => 'category_id',
                'entity'    => 'category',
                'type'      => 'select',
                'label'     => trans('app.ticket.category'),
                'attribute' => 'name',
                'model'     => 'App\Models\Category'
            ],
            [
                'name'      => 'status_id',
                'entity'    => 'status',
                'type'      => 'select',
                'label'     =>trans('app.ticket.status'),
                'attribute' => 'name',
                'model'     => 'App\Models\Status'
            ],
            [
                'name'        => 'last_sender',
                'type'        => 'hidden',
                'value'       => 'admin',
            ]
        ]);
    }

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