Added WIP to Online Payments as it currently does not function, Disable Pay Online via guest url if online payment is not configured

guest_view_invoice.php

@@ -122,8 +122,12 @@ if(isset($_GET['invoice_id'], $_GET['url_key'])){
         <?php
         if($invoice_status != "Paid" and $invoice_status  != "Cancelled" and $invoice_status != "Draft" and $config_stripe_enable == 1){
         ?>
+        <?php
+        if($config_stripe_enable == 1){
+        ?>
         <a class="btn btn-success" href="guest_pay.php?invoice_id=<?php echo $invoice_id; ?>"><i class="fa fa-fw fa-credit-card"></i> Pay Online <small>(Coming Soon)</small></a>
         <?php } ?>
+        <?php } ?>
       </div>
     </div>
     <div class="card-body">

settings-online-payment.php

@@ -2,6 +2,10 @@
 
 <?php include("settings-nav.php"); ?>
 
+<div class="alert alert-warning">
+  Work in Progress
+</div>
+
 <div class="card card-dark">
   <div class="card-header">
     <h3 class="card-title"><i class="fa fa-fw fa-credit-card"></i> Online Payment</h3>