PHP Decode

<?php

namespace Webkul\Admin\DataGrids\Customers\View;

use Illuminate\Support\Facades\DB;
use Webkul\DataGrid\DataGrid;

class InvoiceDataGrid extends DataGrid
{
    /**
     * Prepare query builder.
     *
     * @return void
     */
    public function prepareQueryBuilder()
    {
        $dbPrefix = DB::getTablePrefix();

        $queryBuilder = DB::table('invoices')
            ->leftJoin('orders', 'invoices.order_id', '=', 'orders.id')
            ->select(
                'invoices.id as id',
                'orders.increment_id as order_id',
                'orders.customer_id as customer_id',
                'invoices.state as state',
                'invoices.base_grand_total as base_grand_total',
                'invoices.created_at as created_at',
            )
            ->where('orders.customer_id', '=', request()->route('id'))
            ->selectRaw("CASE WHEN {$dbPrefix}invoices.increment_id IS NOT NULL THEN {$dbPrefix}invoices.increment_id ELSE {$dbPrefix}invoices.id END AS increment_id");

        $this->addFilter('increment_id', 'invoices.increment_id');
        $this->addFilter('created_at', 'orders.created_at');
        $this->addFilter('base_grand_total', 'invoices.base_grand_total');

        return $queryBuilder;
    }

    /**
     * Add columns.
     *
     * @return void
     */
    public function prepareColumns()
    {
        $this->addColumn([
            'index'      => 'increment_id',
            'label'      => trans('admin::app.customers.customers.view.datagrid.invoices.increment-id'),
            'type'       => 'string',
            'searchable' => true,
            'filterable' => true,
            'sortable'   => true,
        ]);

        $this->addColumn([
            'index'           => 'created_at',
            'label'           => trans('admin::app.customers.customers.view.datagrid.invoices.invoice-date'),
            'type'            => 'date',
            'searchable'      => true,
            'filterable'      => true,
            'filterable_type' => 'date_range',
            'sortable'        => true,
        ]);

        $this->addColumn([
            'index'      => 'base_grand_total',
            'label'      => trans('admin::app.customers.customers.view.datagrid.invoices.invoice-amount'),
            'type'       => 'string',
            'searchable' => true,
            'filterable' => true,
            'sortable'   => true,
        ]);

        $this->addColumn([
            'index'      => 'order_id',
            'label'      => trans('admin::app.customers.customers.view.datagrid.invoices.order-id'),
            'type'       => 'string',
            'searchable' => true,
            'filterable' => true,
            'sortable'   => true,
        ]);
    }

    /**
     * Prepare actions.
     *
     * @return void
     */
    public function prepareActions()
    {
        $this->addAction([
            'icon'   => 'icon-view',
            'title'  => trans('admin::app.customers.customers.view.datagrid.invoices.view'),
            'method' => 'GET',
            'url'    => function ($row) {
                return route('admin.sales.orders.view', $row->id);
            },
        ]);
    }
}
 ?>