local handlers = lib_pubsub.handlers;
local pubsub_error_reply = lib_pubsub.pubsub_error_reply;
+local empty_set = set_new();
+
local services = {};
local recipients = {};
local hash_map = {};
return simple_broadcast;
end
-local function get_pep_service(name)
- if services[name] then
- return services[name];
+function get_pep_service(name)
+ local service = services[name];
+ if service then
+ return service;
end
- services[name] = pubsub.new({
+ service = pubsub.new({
capabilities = {
none = {
create = false;
retract = true;
delete = true;
get_nodes = true;
+ configure = true;
subscribe = true;
unsubscribe = true;
};
};
+ node_defaults = {
+ ["pubsub#max_items"] = "1";
+ };
+
autocreate_on_publish = true;
autocreate_on_subscribe = true;
normalize_jid = jid_bare;
});
- return services[name];
+ services[name] = service;
+ module:add_item("pep-service", { service = service, jid = name });
+ return service;
end
function handle_pubsub_iq(event)
local function update_subscriptions(recipient, service_name, nodes)
local service = get_pep_service(service_name);
+ nodes = nodes or empty_set;
- recipients[service_name] = recipients[service_name] or {};
- nodes = nodes or set_new();
- local old = recipients[service_name][recipient];
+ local service_recipients = recipients[service_name];
+ if not service_recipients then
+ service_recipients = {};
+ recipients[service_name] = service_recipients;
+ end
- if old and type(old) == table then
- for node in pairs((old - nodes):items()) do
- service:remove_subscription(node, recipient, recipient);
- end
+ local current = service_recipients[recipient];
+ if not current or type(current) ~= "table" then
+ current = empty_set;
end
- for node in nodes:items() do
+ if (current == empty_set or current:empty()) and (nodes == empty_set or nodes:empty()) then
+ return;
+ end
+
+ for node in current - nodes do
+ service:remove_subscription(node, recipient, recipient);
+ end
+
+ for node in nodes - current do
service:add_subscription(node, recipient, recipient);
resend_last_item(recipient, node, service);
end
- recipients[service_name][recipient] = nodes;
+
+ if nodes == empty_set or nodes:empty() then
+ nodes = nil;
+ end
+
+ service_recipients[recipient] = nodes;
end
module:hook("presence/bare", function(event)