Thingy add/edit via AJAX returned nothing useful, and lied about error status. Fixes bug #11781.

docs/changelog/7.x.x.txt

@@ -1,5 +1,6 @@
 7.9.13
  - fixed #11783: Instances deleted during realtime run
+ - fixed #11781: Thingy wrong retorn value from Ajax method
 
 7.9.12
  - webgui.org homepage gives 404  (#11778)

lib/WebGUI/Asset/Wobject/Thingy.pm

@@ -2645,9 +2645,10 @@ sub www_editThingDataSaveViaAjax {
     }
 
     my $thingProperties = $self->getThing($thingId);
+    use Data::Dumper;
+    warn $thingId;
+    warn Dumper $thingProperties;
     if ($thingProperties->{thingId}){
-        my ($privilegedGroup,$workflowId);
-	    
         return $session->privilege->insufficient() unless $self->canEditThingData($thingId, $thingDataId
             ,$thingProperties);
 
@@ -2658,12 +2659,15 @@ sub www_editThingDataSaveViaAjax {
 
     	my ($newThingDataId,$errors) = $self->editThingDataSave($thingId,$thingDataId);
 
-    	if ($errors){
-	    $session->http->setStatus("400", "Bad Request");
+    	if (@{ $errors }) {
+            $session->http->setStatus("400", "Bad Request");
             return JSON->new->encode($errors);
     	}
+        $session->http->setStatus("200");
+        return '{}';
     }
     else {
+        warn "thingId not found in thingProperties\n";
         $session->http->setStatus("404", "Not Found");
         return JSON->new->encode({message => "The thingId you requested can not be found."});
     }

t/Asset/Wobject/Thingy.t

@@ -16,7 +16,7 @@ use lib "$FindBin::Bin/../../lib";
 
 use WebGUI::Test;
 use WebGUI::Session;
-use Test::More tests => 28; # increment this value for each test you create
+use Test::More tests => 30; # increment this value for each test you create
 use Test::Deep;
 use JSON;
 use WebGUI::Asset::Wobject::Thingy;
@@ -406,6 +406,7 @@ is($table, undef, '... drops thing specific table');
 # getFieldValue
 #
 #################################################################
+
 {
     my %newThingProperties             = %thingProperties;
     my $newThingId                     = $thingy->addThing(\%newThingProperties, 0); 
@@ -421,3 +422,22 @@ is($table, undef, '... drops thing specific table');
     like($datetime, qr{^\d+/\d+/\d+\s+\d+:\d+}, "... DateTime field also returns data in user's format");
 }
 
+#################################################################
+#
+# www_editThingDataSaveViaAjax
+#
+#################################################################
+
+$session->request->setup_body({
+    thingId     => $thingId,
+    thingDataId => 'new',
+});
+
+$session->user({userId => '3'});
+$session->http->setStatus(200);
+my $json = $thingy->www_editThingDataSaveViaAjax();
+diag "json: ".$json;
+is $json, '{}', 'www_editThingDataSaveViaAjax: Empty JSON hash';
+is $session->http->getStatus, 200, '... http status=200';
+
+$session->request->setup_body({ });