invoiceninja/app/Repositories/InvoiceRepository.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\Events\Invoice\InvoiceWasCreated;
use App\Events\Invoice\InvoiceWasUpdated;
use App\Factory\InvoiceInvitationFactory;
use App\Helpers\Invoice\InvoiceSum;
use App\Jobs\Company\UpdateCompanyLedgerWithInvoice;
use App\Jobs\Invoice\ApplyInvoiceNumber;
use App\Jobs\Invoice\CreateInvoiceInvitations;
use App\Listeners\Invoice\CreateInvoiceInvitation;
use App\Models\ClientContact;
use App\Models\Invoice;
use App\Models\InvoiceInvitation;
use App\Utils\Traits\MakesHash;
use Illuminate\Http\Request;
use Illuminate\Support\Carbon;

/**
 * InvoiceRepository
 */
class InvoiceRepository extends BaseRepository
{
    use MakesHash;
    /**
     * Gets the class name.
     *
     * @return     string  The class name.
     */
    public function getClassName()
    {

        return Invoice::class;

    }
    
	/**
     * Saves the invoices
     *
     * @param      array.                                        $data     The invoice data
     * @param      InvoiceSum|\App\Models\Invoice               $invoice  The invoice
     *
     * @return     Invoice|InvoiceSum|\App\Models\Invoice|null  Returns the invoice object
     */
    public function save($data, Invoice $invoice) : ?Invoice
	{

        /* Always carry forward the initial invoice amount this is important for tracking client balance changes later......*/
        $starting_amount = $invoice->amount;

        $invoice->fill($data);

        $invoice->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($invoice->invitations->pluck('key'))->diff($invitations->pluck('key'))->each(function($invitation){

                InvoiceInvitation::destroy($invitation);

            });


            foreach($data['invitations'] as $invitation)
            {
                $inv = InvoiceInvitation::whereKey($invitation['key'])->first();

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

                    $new_invitation = InvoiceInvitationFactory::create($invoice->company_id, $invoice->user_id);
                    $new_invitation->fill($invitation);
                    $new_invitation->invoice_id = $invoice->id;
                    $new_invitation->save();

                }
            }

        }

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

        $invoice = $invoice->calc()->getInvoice();
        
        // $invoice_calc = new InvoiceSum($invoice, $invoice->settings);

        // $invoice = $invoice_calc->build()->getInvoice();
        
        $invoice->save();

        $finished_amount = $invoice->amount;

        /**/
        if($finished_amount != $starting_amount)
            UpdateCompanyLedgerWithInvoice::dispatchNow($invoice, ($finished_amount - $starting_amount));

        $invoice = ApplyInvoiceNumber::dispatchNow($invoice, $invoice->client->getMergedSettings());

        return $invoice->fresh();

	}

    /**
     * Mark the invoice as sent.
     *
     * @param      \App\Models\Invoice               $invoice  The invoice
     *
     * @return     Invoice|\App\Models\Invoice|null  Return the invoice object
     */
    public function markSent(Invoice $invoice) : ?Invoice
    {
        $invoice->markSent();

        /*
         * Why? because up until this point the invoice was a draft.
         * When marked as sent it becomes a ledgerable item.
         *
         */
        $invoice = ApplyInvoiceNumber::dispatchNow($invoice, $invoice->client->getMergedSettings());

        UpdateCompanyLedgerWithInvoice::dispatchNow($invoice, $invoice->balance);

        return $invoice;

    }




}