invoiceninja/app/Repositories/QuoteRepository.php

<?php
/**
 * Invoice Ninja (https://invoiceninja.com)
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2019. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://opensource.org/licenses/AAL
 */

namespace App\Repositories;

use App\Factory\QuoteInvitationFactory;
use App\Helpers\Invoice\InvoiceSum;
use App\Jobs\Quote\ApplyQuoteNumber;
use App\Jobs\Quote\CreateQuoteInvitations;
use App\Models\Client;
use App\Models\ClientContact;
use App\Models\Quote;
use App\Models\QuoteInvitation;
use Illuminate\Http\Request;

/**
 * QuoteRepository
 */
class QuoteRepository extends BaseRepository
{
    public function getClassName()
    {
        return Quote::class;
    }
    
    public function save($data, Quote $quote) : ?Quote
    {
        
        /* Always carry forward the initial invoice amount this is important for tracking client balance changes later......*/
        $starting_amount = $quote->amount;

        $quote->fill($data);

        $quote->save();

        if (isset($data['client_contacts'])) {
            foreach ($data['client_contacts'] as $contact) {
                if ($contact['send_invoice'] == 1) {
                    $client_contact = ClientContact::find($this->decodePrimaryKey($contact['id']));
                    $client_contact->send_invoice = true;
                    $client_contact->save();
                }
            }
        }


        if (isset($data['invitations'])) {
            $invitations = collect($data['invitations']);

            /* Get array of Keyss which have been removed from the invitations array and soft delete each invitation */
            collect($quote->invitations->pluck('key'))->diff($invitations->pluck('key'))->each(function ($invitation) {
                QuoteInvitation::destroy($invitation);
            });


            foreach ($data['invitations'] as $invitation) {
                $inv = false;

                if (array_key_exists('key', $invitation)) {
                    $inv = QuoteInvitation::whereKey($invitation['key'])->first();
                }

                if (!$inv) {
                    $invitation['client_contact_id'] = $this->decodePrimaryKey($invitation['client_contact_id']);

                    $new_invitation = QuoteInvitationFactory::create($quote->company_id, $quote->user_id);
                    $new_invitation->fill($invitation);
                    $new_invitation->quote_id = $quote->id;
                    $new_invitation->save();
                }
            }
        }

        /* If no invitations have been created, this is our fail safe to maintain state*/
        if ($quote->invitations->count() == 0) {
            CreateQuoteInvitations::dispatchNow($quote, $quote->company);
        }

        $quote = $quote->calc()->getInvoice();
        
        $quote->save();

        $finished_amount = $quote->amount;

        $quote = ApplyQuoteNumber::dispatchNow($quote, $quote->client->getMergedSettings(), $quote->company);

        return $quote->fresh();
    }
}