mod_storage_xep0227: treat roster metadata pseudo-entry correctly
The roster version is stored in a pseudo-item which has the key `false`.
The if condition in the touched code attempts to guard against this, but
it does not take into account that the jid prepping returns nil instead
of false.
By moving the jid prepping into the if, we can check for the metadata
entry safely.
local timer = require "util.timer";
local setmetatable = setmetatable;
local os_time = os.time;
local _ENV = nil;
-- luacheck: std none
local watchdog_methods = {};
local watchdog_mt = { __index = watchdog_methods };
local function new(timeout, callback)
local watchdog = setmetatable({ timeout = timeout, last_reset = os_time(), callback = callback }, watchdog_mt);
timer.add_task(timeout+1, function (current_time)
local last_reset = watchdog.last_reset;
if not last_reset then
return;
end
local time_left = (last_reset + timeout) - current_time;
if time_left < 0 then
return watchdog:callback();
end
return time_left + 1;
end);
return watchdog;
end
function watchdog_methods:reset()
self.last_reset = os_time();
end
function watchdog_methods:cancel()
self.last_reset = nil;
end
return {
new = new;
};