show invoice/bill totals sorted

app/Abstracts/DocumentModel.php

@@ -15,6 +15,11 @@ abstract class DocumentModel extends Model
 {
     use Cloneable, Currencies, DateTime, Media, Recurring;
 
+    public function totals_sorted()
+    {
+        return $this->totals()->orderBy('sort_order');
+    }
+
     public function scopeDue($query, $date)
     {
         return $query->whereDate('due_at', '=', $date);

app/Http/Controllers/Purchases/Bills.php

@@ -74,7 +74,7 @@ class Bills extends Controller
         $date_format = $this->getCompanyDateFormat();
 
         // Get Bill Totals
-        foreach ($bill->totals as $bill_total) {
+        foreach ($bill->totals_sorted as $bill_total) {
             $bill->{$bill_total->code} = $bill_total->amount;
         }
 

app/Http/Controllers/Sales/Invoices.php

@@ -77,7 +77,7 @@ class Invoices extends Controller
         $date_format = $this->getCompanyDateFormat();
 
         // Get Invoice Totals
-        foreach ($invoice->totals as $invoice_total) {
+        foreach ($invoice->totals_sorted as $invoice_total) {
             $invoice->{$invoice_total->code} = $invoice_total->amount;
         }