shipping-portal/app/Classes/Notifications/InvoiceIssuedEmail.php

<?php

namespace App\Classes\Notifications;


use App\Classes\ValueObjects\Constants\ApprovalStatus;
use App\Classes\ValueObjects\Constants\TransactionType;
use App\Models\PackingList;
use App\Models\User;
use Illuminate\Notifications\Messages\MailMessage;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Storage;

class InvoiceIssuedEmail extends AbstractEmail
{

    /** @var User */
    private $user;

    /** @var PackingList */
    private $packingList;

    /**
     * @param User $user
     * @param PackingList $packingList
     */
    public function __construct(User $user, PackingList $packingList)
    {
        $this->user = $user;
        $this->packingList = $packingList;
    }


    public function toMail()
    {
        $invoice = $this->packingList->transactions()->where('type', TransactionType::SHIPPING_INVOICE)->where('status', ApprovalStatus::APPROVED)->first();

        $invoiceDocument = $invoice->documents()->first()->files;

        $mailMessage = (new MailMessage) ->subject('Att: '.$this->user->name.' - Invoice for order no.'. $this->packingList->owner->reference);

        $filesystemDriver = Storage::getDefaultDriver();
        $filename = $invoiceDocument->first()->file->file_info->original->file;
        Log::info('ShipmentDepartureEmail file name: '.$filename);
        if($filesystemDriver === 's3'){
            $fileContent = null;
            $fileContent = Storage::disk('s3')->get($filename);
            if ($fileContent) {
                $mailMessage->attachData($fileContent, 'invoice.pdf', [
                    'mime' => 'application/pdf',
                ]);
            }
        }
        else{
            $filePath = '';
            // $fileContent = Storage::disk('documents')->get($invoiceDocument->first()->file->file_info->original->file);
            $filePath = storage_path('app/documents/' . $filename);
            if ($filePath) {
                $mailMessage->attach($filePath, [
                    'as' => 'invoice.pdf',
                    'mime' => 'application/pdf',
                ]);
            }
        }

        Log::info('InvoiceIssuedEmail sent - Att: '.$this->user->name.' - Invoice for order no.'. $this->packingList->owner->reference);

        $mailMessage->view('emails.shipment.invoice', ['user' => $this->user, 'packingList' => $this->packingList]);
        return $mailMessage;
    }


}