MT#7717 explicitly delete related tables of voip_domains

to ensure trigger execution on them

lib/NGCP/Panel/Controller/API/DomainsItem.pm

@@ -100,7 +100,13 @@ sub DELETE :Allow {
             }
         }
 
-        $domain->provisioning_voip_domain->delete;
+        my $prov_domain = $domain->provisioning_voip_domain;
+        if ($prov_domain) {
+            $prov_domain->voip_dbaliases->delete;
+            $prov_domain->voip_dom_preferences->delete;
+            $prov_domain->provisioning_voip_subscribers->delete;
+            $prov_domain->delete;
+        }
         $domain->delete;
 
         try {

lib/NGCP/Panel/Controller/Domain.pm

@@ -229,10 +229,14 @@ sub delete :Chained('base') :PathPart('delete') :Args(0) {
     my ($self, $c) = @_;
 
     my $domain = $c->stash->{'domain_result'}->domain;
+    my $prov_domain = $c->stash->{'provisioning_domain_result'};
     try {
         $c->model('DB')->schema->txn_do( sub {
             $c->stash->{'domain_result'}->delete;
-            $c->stash->{'provisioning_domain_result'}->delete;
+            $prov_domain->voip_dbaliases->delete;
+            $prov_domain->voip_dom_preferences->delete;
+            $prov_domain->provisioning_voip_subscribers->delete;
+            $prov_domain->delete;
             NGCP::Panel::Utils::Prosody::deactivate_domain($c, $domain)
                 unless($c->config->{features}->{debug});
         });

lib/NGCP/Panel/Utils/Contract.pm

@@ -146,7 +146,12 @@ sub recursively_lock_contract {
             # remove domains in case of reseller termination
             for my $domain($reseller->domain_resellers->all) {
                 my $prov_domain = $domain->domain->provisioning_voip_domain;
-                $prov_domain->delete if $prov_domain;
+                if ($prov_domain) {
+                    $prov_domain->voip_dbaliases->delete;
+                    $prov_domain->voip_dom_preferences->delete;
+                    $prov_domain->provisioning_voip_subscribers->delete;
+                    $prov_domain->delete;
+                }
                 $domain->domain->delete;
                 $domain->delete;
             }