signal-desktop/js/message_controller.js
2019-10-10 14:56:14 -07:00

75 lines
1.5 KiB
JavaScript

// eslint-disable-next-line func-names
(function() {
'use strict';
window.Whisper = window.Whisper || {};
const messageLookup = Object.create(null);
const SECOND = 1000;
const MINUTE = SECOND * 60;
const FIVE_MINUTES = MINUTE * 5;
const HOUR = MINUTE * 60;
function register(id, message) {
if (!id || !message) {
return message;
}
const existing = messageLookup[id];
if (existing) {
messageLookup[id] = {
message: existing.message,
timestamp: Date.now(),
};
return existing.message;
}
messageLookup[id] = {
message,
timestamp: Date.now(),
};
return message;
}
function unregister(id) {
delete messageLookup[id];
}
function cleanup() {
const messages = Object.values(messageLookup);
const now = Date.now();
for (let i = 0, max = messages.length; i < max; i += 1) {
const { message, timestamp } = messages[i];
const conversation = message.getConversation();
if (
now - timestamp > FIVE_MINUTES &&
(!conversation || !conversation.messageCollection.length)
) {
delete messageLookup[message.id];
}
}
}
function getById(id) {
const existing = messageLookup[id];
return existing && existing.message ? existing.message : null;
}
function _get() {
return messageLookup;
}
setInterval(cleanup, HOUR);
window.MessageController = {
register,
unregister,
cleanup,
getById,
_get,
};
})();