Writeoff/DataTables/ApprovalDataTable.php

<?php

    namespace Modules\Writeoff\DataTables;

    use Carbon\Carbon;
    use Illuminate\Database\Eloquent\Builder as QueryBuilder;
    use Illuminate\Support\Facades\Auth;
    use Modules\Writeoff\Entities\Approval;
    use Modules\Usermanager\Entities\User;
    use Yajra\DataTables\EloquentDataTable;
    use Yajra\DataTables\Html\Builder as HtmlBuilder;
    use Yajra\DataTables\Html\Column;
    use Yajra\DataTables\Services\DataTable;

    class ApprovalDataTable extends DataTable
    {
        /**
         * Build the DataTable class.
         *
         * @param QueryBuilder $query Results from query() method.
         */
        public function dataTable(QueryBuilder $query)
        : EloquentDataTable
        {

            return (new EloquentDataTable($query))
                ->filter(function ($query) {
                    if (request()->has('search')) {
                        $search = request()->get('search');
                    }
                })
                ->addIndexColumn()
                ->addColumn('menu', function ($model) {
                    return $model->menu ?? '-';
                })
                ->addColumn('created_at', function ($model) {
                    return $model->created_at !== null ? Carbon::parse($model->created_at)->format('d F Y H:i:s') : '-';
                })
                ->addColumn('created_by', function ($model) {
                    return $model->created_by ? $model->creator->name : '-';
                })
                ->addColumn('approved_at', function ($model) {
                    return $model->approved_at !== null ? Carbon::parse($model->approved_at)->format('d F Y H:i:s') : '-';
                })
                ->addColumn('approved_by', function ($model) {
                   return $model->approved_by ? User::find($model->approved_by)->name : '-';
                })
                ->addColumn('status', 'writeoff::approval._status')
                ->addColumn('action', 'writeoff::approval._action')
                ->rawColumns(['status', 'action'])
                ->setRowId('id');
        }

        /**
         * Get the query source of dataTable.
         */
        public function query(Approval $model)
        : QueryBuilder
        {
            return $model->newQuery();
        }

        /**
         * Optional method if you want to use the html builder.
         */
        public function html()
        : HtmlBuilder
        {
            return $this->builder()
                ->setTableId('approval-table')
                ->columns($this->getColumns())
                ->minifiedAjax()
                ->stateSave(false)
                ->responsive()
                ->autoWidth(true)
                ->orderBy(1)
                ->parameters([
                    'scrollX'      => false,
                    'drawCallback' => 'function() { KTMenu.createInstances(); }',
                ])
                ->addTableClass('align-middle table-row-dashed fs-6 gy-5');
        }

        /**
         * Get the dataTable columns definition.
         */
        public function getColumns()
        : array
        {
            return [
                Column::make('DT_RowIndex')->title('No')->orderable(false)->searchable(false),
                Column::make('method'),
                Column::make('menu'),
                Column::make('description'),
                Column::make('created_at')->className('none'),
                Column::make('created_by')->className('none'),
                Column::make('approved_at')->className('none'),
                Column::make('approved_by')->className('none'),
                Column::computed('status')
                    ->exportable(false)
                    ->printable(false)
                    ->width(60)
                    ->addClass('text-center'),
                Column::computed('action')
                    ->exportable(false)
                    ->printable(false)
                    ->width(250)
                    ->addClass('text-center'),
            ];
        }

        /**
         * Get the filename for export.
         */
        protected function filename()
        : string
        {
            return 'Approval_' . date('YmdHis');
        }
    }