Merge pull request #861 from code0-tech/fix-flow-updates

Fix problems with flow updates

Author: Taucher2003

app/models/node_parameter.rb

@@ -40,6 +40,5 @@ def only_one_value_present
 
   def destroy_value_objects
     reference_value.destroy if reference_value.present?
-    function_value.destroy if function_value.present?
   end
 end

app/services/namespaces/projects/flows/update_service.rb

@@ -60,7 +60,7 @@ def update_settings(t)
             flow_setting = flow.flow_settings.find_or_initialize_by(flow_setting_id: setting.flow_setting_identifier)
             flow_setting.object = setting.value
 
-            next if flow_setting.valid?
+            next if flow_setting.save
 
             t.rollback_and_return! ServiceResponse.error(
               message: 'Invalid flow settings',
@@ -198,6 +198,7 @@ def update_node_parameters(t, current_node, current_node_input, all_nodes)
               db_parameters[index].function_value = node[:node]
             else
               db_parameters[index].function_value&.destroy
+              db_parameters[index].function_value = nil
             end
 
             if parameter.value.reference_value.present?
@@ -228,6 +229,7 @@ def update_node_parameters(t, current_node, current_node_input, all_nodes)
               )
             else
               db_parameters[index].reference_value&.destroy
+              db_parameters[index].reference_value = nil
             end
 
             next if db_parameters[index].valid?