/home/kueuepay/public_html/vendor/maatwebsite/excel/src/Mixins/DownloadCollectionMixin.php
<?php

namespace Maatwebsite\Excel\Mixins;

use Illuminate\Contracts\Support\Arrayable;
use Illuminate\Support\Collection;
use Maatwebsite\Excel\Concerns\Exportable;
use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Sheet;

class DownloadCollectionMixin
{
    /**
     * @return callable
     */
    public function downloadExcel()
    {
        return function (string $fileName, string $writerType = null, $withHeadings = false, array $responseHeaders = []) {
            $export = new class($this, $withHeadings) implements FromCollection, WithHeadings
            {
                use Exportable;

                /**
                 * @var bool
                 */
                private $withHeadings;

                /**
                 * @var Collection
                 */
                private $collection;

                /**
                 * @param  Collection  $collection
                 * @param  bool  $withHeading
                 */
                public function __construct(Collection $collection, bool $withHeading = false)
                {
                    $this->collection   = $collection->toBase();
                    $this->withHeadings = $withHeading;
                }

                /**
                 * @return Collection
                 */
                public function collection()
                {
                    return $this->collection;
                }

                /**
                 * @return array
                 */
                public function headings(): array
                {
                    if (!$this->withHeadings) {
                        return [];
                    }

                    $firstRow = $this->collection->first();

                    if ($firstRow instanceof Arrayable || \is_object($firstRow)) {
                        return array_keys(Sheet::mapArraybleRow($firstRow));
                    }

                    return $this->collection->collapse()->keys()->all();
                }
            };

            return $export->download($fileName, $writerType, $responseHeaders);
        };
    }
}
Best Practice

Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.