mod_log_ringbuffer: Detach event handlers on logging reload (thanks Menel)
Otherwise the global event handlers accumulate, one added each time
logging is reoladed, and each invocation of the signal or event triggers
one dump of each created ringbuffer.
local jid_split = require "util.jid".split;
module:depends"muc";
local webchat_baseurl = module:get_option_string("muc_webchat_baseurl", nil);
local function get_default_url(room)
if not webchat_baseurl then
-- no template
return nil;
end
if room:get_hidden() or room:get_members_only() or room:get_password() then
-- not a public room
return nil;
end
return (webchat_baseurl:gsub("{(%w+)}", {
jid = room.jid,
node = select(1, jid_split(room.jid)),
host = select(2, jid_split(room.jid)),
}));
end
local function get_webchat_url(room)
local webchat_url = room._data.webchat_url;
if webchat_url then -- explicitly configured
return webchat_url;
end
return get_default_url(room);
end
module:hook("muc-config-form", function(event)
local room, form = event.room, event.form;
table.insert(form, {
name = "muc#roomconfig_webchat_url",
type = "text-single",
label = "URL where this room can be joined",
datatype = "xs:anyURI",
value = get_webchat_url(room),
});
end);
module:hook("muc-config-submitted", function(event)
local room, fields, changed = event.room, event.fields, event.changed;
local new = fields["muc#roomconfig_webchat_url"];
if new ~= get_webchat_url(room) then
if new == get_default_url(room) then
room._data.webchat_url = nil;
else
room._data.webchat_url = new;
end
if type(changed) == "table" then
changed["muc#roomconfig_webchat_url"] = true;
else
event.changed = true;
end
end
end);
module:hook("muc-disco#info", function (event)
local room, form, formdata = event.room, event.form, event.formdata;
local webchat_url = get_webchat_url(room);
if not webchat_url or webchat_url == "" then
return;
end
table.insert(form, {
name = "muc#roominfo_webchat_url",
});
formdata["muc#roominfo_webchat_url"] = webchat_url;
end);