/home/henzagold/server/app/Te/ Current File: //home/henzagold/server/app/Te/ExcelCollection.php
<?php

namespace App\DB\Te;

use Illuminate\Support\Arr;
use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\ShouldAutoSize;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithEvents;
use Maatwebsite\Excel\Events\BeforeExport;
use Maatwebsite\Excel\Events\AfterSheet;

class ExcelCollection implements FromCollection, WithHeadings, ShouldAutoSize, WithEvents
{


    /**
     * TableEngineExport constructor.
     */
    public function __construct($export, $cols)
    {
        $this->export = $export;
        $this->show = array_keys($cols);
        $this->head = array_values($cols);
    }

    public function collection()
    {

        return $this->export->map(function ($value, $key) {

            $exp = [];
            $all = $value->toArray();
            foreach ($this->show as $val) {
                $exp[$val] = Arr::get($all, $val);
            }
            return collect($exp);
        });
    }


    public function registerEvents(): array
    {
        return [
            AfterSheet::class => function (AfterSheet $event) {
                $event->sheet->getDelegate()->setRightToLeft(true);
            },
        ];
    }

    /**
     * @inheritDoc
     */
    public function headings(): array
    {
        return $this->head;
    }
}