Pubsub node maxitem forced to 0 if non persistent node (thanks to Karim Gemayel)(EJAB-1434)

src/mod_pubsub/mod_pubsub.erl

@@ -2417,9 +2417,12 @@ publish_item(Host, ServerHost, Node, Publisher, ItemId, Payload) ->
 		     Features = features(Type),
 		     PublishFeature = lists:member("publish", Features),
 		     PublishModel = get_option(Options, publish_model),
-		     MaxItems = max_items(Host, Options),
 		     DeliverPayloads = get_option(Options, deliver_payloads),
 		     PersistItems = get_option(Options, persist_items),
+		     MaxItems = case PersistItems of
+			0 -> 0;
+			1 -> max_items(Host, Options)
+		     end,
 		     {PayloadCount, PayloadNS} = payload_els_ns(Payload),
 		     PayloadSize = size(term_to_binary(Payload))-2, % size(term_to_binary([])) == 2
 		     PayloadMaxSize = get_option(Options, max_payload_size),