prevent deletion of billing_profiles

Billing-Profiles MUST NOT be deleted
Fixes: sipwise-0003127

lib/NGCP/Panel/Controller/Billing.pm

@@ -19,6 +19,7 @@ sub profile_list :Chained('/') :PathPart('billing') :CaptureArgs(0) :Args(0) {
     NGCP::Panel::Utils::check_redirect_chain(c => $c);
 
     $c->stash(has_edit => 1);
+    $c->stash(has_delete => 0);
     $c->stash(template => 'billing/list.tt');
 }
 
@@ -102,19 +103,6 @@ sub create :Chained('profile_list') :PathPart('create') :Args(0) {
     $c->stash(form => $form);
 }
 
-sub delete :Chained('base') :PathPart('delete') :Args(0) {
-    my ($self, $c) = @_;
-    
-    unless ( defined($c->stash->{'profile_result'}) ) {
-        $c->flash(messages => [{type => 'error', text => 'Billing profile not found!'}]);
-        return;
-    }
-    $c->stash->{'profile_result'}->delete;
-
-    $c->flash(messages => [{type => 'success', text => 'Billing profile successfully deleted!'}]);
-    $c->response->redirect($c->uri_for);
-}
-
 sub fees_list :Chained('base') :PathPart('fees') :CaptureArgs(0) {
     my ($self, $c) = @_;
     
@@ -557,10 +545,6 @@ Show a modal to edit one billing_profile.
 
 Show a modal to add a new billing_profile.
 
-=head2 delete
-
-Delete a billing_profile identified by base.
-
 =head2 fees_list
 
 basis for the billing_fees logic. for a certain billing_profile identified

share/templates/billing/list.tt

@@ -10,6 +10,7 @@
     helper.edit_flag = edit_flag;
     helper.form_object = form;
     helper.has_edit = has_edit;
+    helper.has_delete = has_delete;
     helper.ajax_uri = c.uri_for( c.controller.action_for('ajax') );
     helper.base_uri = c.uri_for( c.controller.action_for("") );
 

share/templates/helpers/datatables.tt

@@ -32,9 +32,11 @@ $(document).ready(function() {
                         '<i class="icon-edit"></i> Edit' +
                       '</a>' +
                     [%- END %]
+                    [%- IF helper.has_delete != 0 %]
                       '<a class="btn btn-small btn-secondary" href="[% helper.base_uri %]/' + full[0] + '/delete" data-confirm="Delete">' +
                         '<i class="icon-trash"></i> Delete' +
                       '</a>' +
+                    [%- END %]
                     [%- IF helper.extra_buttons.size %]
                         [% FOR b IN helper.extra_buttons %]
                             '<a class="btn btn-small btn-tertiary" href="[% helper.base_uri %]/' + full[0] + '/' +