hardlounge/client/js/socket-events/init.js
2019-11-25 20:13:10 +02:00

224 lines
6.2 KiB
JavaScript

"use strict";
const socket = require("../socket");
const storage = require("../localStorage");
const {router, switchToChannel, navigate} = require("../router");
const store = require("../store").default;
socket.on("init", function(data) {
store.commit("networks", mergeNetworkData(data.networks));
store.commit("isConnected", true);
store.commit("currentUserVisibleError", null);
if (data.token) {
storage.set("token", data.token);
}
if (!store.state.appLoaded) {
store.commit("appLoaded");
if (window.g_TheLoungeRemoveLoading) {
window.g_TheLoungeRemoveLoading();
}
// TODO: Review this code and make it better
if (!router.currentRoute.name || router.currentRoute.name === "SignIn") {
const channel = store.getters.findChannel(data.active);
if (channel) {
switchToChannel(channel.channel);
} else if (store.state.networks.length > 0) {
// Server is telling us to open a channel that does not exist
// For example, it can be unset if you first open the page after server start
switchToChannel(store.state.networks[0].channels[0]);
} else {
navigate("Connect");
}
}
if ("URLSearchParams" in window) {
handleQueryParams();
}
}
});
function mergeNetworkData(newNetworks) {
const collapsedNetworks = new Set(JSON.parse(storage.get("thelounge.networks.collapsed")));
for (let n = 0; n < newNetworks.length; n++) {
const network = newNetworks[n];
const currentNetwork = store.getters.findNetwork(network.uuid);
// If this network is new, set some default variables and initalize channel variables
if (!currentNetwork) {
network.isJoinChannelShown = false;
network.isCollapsed = collapsedNetworks.has(network.uuid);
network.channels.forEach(store.getters.initChannel);
continue;
}
// Merge received network object into existing network object on the client
// so the object reference stays the same (e.g. for currentChannel state)
for (const key in network) {
if (!Object.prototype.hasOwnProperty.call(network, key)) {
continue;
}
// Channels require extra care to be merged correctly
if (key === "channels") {
currentNetwork.channels = mergeChannelData(
currentNetwork.channels,
network.channels
);
} else {
currentNetwork[key] = network[key];
}
}
newNetworks[n] = currentNetwork;
}
return newNetworks;
}
function mergeChannelData(oldChannels, newChannels) {
for (let c = 0; c < newChannels.length; c++) {
const channel = newChannels[c];
const currentChannel = oldChannels.find((chan) => chan.id === channel.id);
// This is a new channel that was joined while client was disconnected, initialize it
if (!currentChannel) {
store.getters.initChannel(channel);
continue;
}
// Merge received channel object into existing currentChannel
// so the object references are exactly the same (e.g. in store.state.activeChannel)
for (const key in channel) {
if (!Object.prototype.hasOwnProperty.call(channel, key)) {
continue;
}
// Server sends an empty users array, client requests it whenever needed
if (key === "users") {
if (channel.type === "channel") {
if (
store.state.activeChannel &&
store.state.activeChannel.channel === currentChannel
) {
// For currently open channel, request the user list straight away
socket.emit("names", {
target: channel.id,
});
} else {
// For all other channels, mark the user list as outdated
// so an update will be requested whenever user switches to these channels
currentChannel.usersOutdated = true;
}
}
continue;
}
// Server sends total count of messages in memory, we compare it to amount of messages
// on the client, and decide whether theres more messages to load from server
if (key === "totalMessages") {
currentChannel.moreHistoryAvailable =
channel.totalMessages > currentChannel.messages.length;
continue;
}
// Reconnection only sends new messages, so merge it on the client
// Only concat if server sent us less than 100 messages so we don't introduce gaps
if (key === "messages" && currentChannel.messages && channel.messages.length < 100) {
currentChannel.messages = currentChannel.messages.concat(channel.messages);
} else {
currentChannel[key] = channel[key];
}
}
newChannels[c] = currentChannel;
}
return newChannels;
}
function handleQueryParams() {
const params = new URLSearchParams(document.location.search);
const cleanParams = () => {
// Remove query parameters from url without reloading the page
const cleanUri = window.location.origin + window.location.pathname + window.location.hash;
window.history.replaceState({}, document.title, cleanUri);
};
if (params.has("uri")) {
// Set default connection settings from IRC protocol links
const uri =
params.get("uri") +
(location.hash.startsWith("#/") ? `#${location.hash.substring(2)}` : location.hash);
const queryParams = parseIrcUri(uri);
cleanParams();
router.router.push({name: "Connect", query: queryParams});
} else if (document.body.classList.contains("public") && document.location.search) {
// Set default connection settings from url params
const queryParams = Object.fromEntries(params.entries());
cleanParams();
router.router.push({name: "Connect", query: queryParams});
}
}
function parseIrcUri(stringUri) {
const data = {};
try {
// https://tools.ietf.org/html/draft-butcher-irc-url-04
const uri = new URL(stringUri);
// Replace protocol with a "special protocol" (that's what it's called in WHATWG spec)
// So that the uri can be properly parsed
if (uri.protocol === "irc:") {
uri.protocol = "http:";
if (!uri.port) {
uri.port = 6667;
}
data.tls = false;
} else if (uri.protocol === "ircs:") {
uri.protocol = "https:";
if (!uri.port) {
uri.port = 6697;
}
data.tls = true;
} else {
return;
}
data.host = data.name = uri.hostname;
data.port = uri.port;
data.username = window.decodeURIComponent(uri.username);
data.password = window.decodeURIComponent(uri.password);
let channel = (uri.pathname + uri.hash).substr(1);
const index = channel.indexOf(",");
if (index > -1) {
channel = channel.substring(0, index);
}
data.join = channel;
} catch (e) {
// do nothing on invalid uri
}
return data;
}