silent-auction/app/Services/PrinterService.php

<?php

namespace App\Services;

use Dompdf\Dompdf;
use Dompdf\Options;
use Illuminate\Support\Facades\Mail;
use Illuminate\Support\Facades\Log;

class PrinterService
{
    /**
     * Print the pickup slip for a given Checkout model.
     *
     * @param \App\Models\Checkout $checkout
     * @return void
     */
    public function printForCheckout(\App\Models\Checkout $checkout)
    {
        $bidder_num = $checkout->bidder_num;
        
        $checkout_list_results = \Illuminate\Support\Facades\DB::select("SELECT
            *, items.item_assigned_num, items.item_desc
            FROM winning_bids
            INNER JOIN items AS items
            ON winning_bids.winning_item_num=items.iditems
            WHERE winning_bidder_num = $bidder_num
        ");

        $checkout_info_results = \Illuminate\Support\Facades\DB::select("SELECT
            winning_bids.*,
            bidders.*,
            sum(winning_cost) AS total_cost
            FROM winning_bids
            INNER JOIN bidders AS bidders
            ON winning_bids.winning_bidder_num=bidders.idbidders
            WHERE winning_bidder_num = $bidder_num
            GROUP BY winning_bids.winning_bidder_num
        ");

        $this->printPickupSlip([
            'checkout_final_results' => $checkout,
            'checkout_list_results' => $checkout_list_results,
            'checkout_info_results' => $checkout_info_results
        ]);
    }

    /**
     * Print the pickup slip by sending it to the HP ePrint email address.
     *
     * @param array $checkoutData
     * @return void
     */
    public function printPickupSlip($checkoutData)
    {
        if (!config('services.printer.enabled')) {
            Log::info('Auto-print is disabled.');
            return;
        }

        $printerEmail = config('services.printer.email');
        if (empty($printerEmail)) {
            Log::error('Printer email is not configured.');
            return;
        }

        try {
            $options = new Options();
            $options->set('isHtml5ParserEnabled', true);
            $options->set('isRemoteEnabled', true);
            $dompdf = new Dompdf($options);

            $html = view('receiptpdf', $checkoutData)->render();
            $dompdf->loadHtml($html);
            $dompdf->setPaper('letter', 'portrait');
            $dompdf->render();
            $pdfOutput = $dompdf->output();

            Mail::to($printerEmail)->send(new \App\Mail\PickupSlipMail($pdfOutput));

            Log::info('Pickup slip sent to printer: ' . $printerEmail);
        } catch (\Exception $e) {
            Log::error('Failed to print pickup slip: ' . $e->getMessage());
        }
    }
}