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Fix possible user is undefined in realtime events

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This commit is contained in:
Wu Cheng-Han 2016-12-20 20:33:46 +08:00
parent 1ae5f174c3
commit d140a140de
1 changed files with 26 additions and 17 deletions
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43
lib/realtime.js
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@ -211,6 +211,7 @@ function getStatus(callback) {
var distinctregaddresses = [];
Object.keys(users).forEach(function (key) {
var user = users[key];
if (!user) return;
var found = false;
for (var i = 0; i < distinctaddresses.length; i++) {
if (user.address == distinctaddresses[i]) {
@ -306,8 +307,9 @@ function emitOnlineUsers(socket) {
function emitUserStatus(socket) {
var noteId = socket.noteId;
if (!noteId || !notes[noteId]) return;
var out = buildUserOutData(users[socket.id]);
var user = users[socket.id];
if (!noteId || !notes[noteId] || !user) return;
var out = buildUserOutData(user);
socket.broadcast.to(noteId).emit('user status', out);
}
@ -532,7 +534,9 @@ function disconnect(socket) {
var note = notes[noteId];
if (note) {
// delete user in users
delete note.users[socket.id];
if (note.users[socket.id]) {
delete note.users[socket.id];
}
// remove sockets in the note socks
do {
var index = note.socks.indexOf(socket);
@ -649,14 +653,14 @@ function operationCallback(socket, operation) {
var userId = null;
// save authors
if (socket.request.user && socket.request.user.logged_in) {
var socketId = socket.id;
var user = users[socketId];
var user = users[socket.id];
if (!user) return;
userId = socket.request.user.id;
if (!note.authors[userId]) {
models.Author.create({
noteId: noteId,
userId: userId,
color: users[socketId].color
color: user.color
}).then(function (author) {
note.authors[author.userId] = {
userid: author.userId,
@ -743,11 +747,11 @@ function connection(socket) {
//received user status
socket.on('user status', function (data) {
var noteId = socket.noteId;
if (!noteId || !notes[noteId]) return;
var user = users[socket.id];
if (!noteId || !notes[noteId] || !user) return;
if (config.debug)
logger.info('SERVER received [' + noteId + '] user status from [' + socket.id + ']: ' + JSON.stringify(data));
if (data) {
var user = users[socket.id];
user.idle = data.idle;
user.type = data.type;
}
@ -840,7 +844,9 @@ function connection(socket) {
logger.info('user changed');
var noteId = socket.noteId;
if (!noteId || !notes[noteId]) return;
updateUserData(socket, notes[noteId].users[socket.id]);
var user = notes[noteId].users[socket.id];
if (!user) return;
updateUserData(socket, user);
emitOnlineUsers(socket);
});
@ -872,26 +878,29 @@ function connection(socket) {
//received cursor focus
socket.on('cursor focus', function (data) {
var noteId = socket.noteId;
if (!noteId || !notes[noteId]) return;
users[socket.id].cursor = data;
var out = buildUserOutData(users[socket.id]);
var user = users[socket.id];
if (!noteId || !notes[noteId] || !user) return;
user.cursor = data;
var out = buildUserOutData(user);
socket.broadcast.to(noteId).emit('cursor focus', out);
});
//received cursor activity
socket.on('cursor activity', function (data) {
var noteId = socket.noteId;
if (!noteId || !notes[noteId]) return;
users[socket.id].cursor = data;
var out = buildUserOutData(users[socket.id]);
var user = users[socket.id];
if (!noteId || !notes[noteId] || !user) return;
user.cursor = data;
var out = buildUserOutData(user);
socket.broadcast.to(noteId).emit('cursor activity', out);
});
//received cursor blur
socket.on('cursor blur', function () {
var noteId = socket.noteId;
if (!noteId || !notes[noteId]) return;
users[socket.id].cursor = null;
var user = users[socket.id];
if (!noteId || !notes[noteId] || !user) return;
user.cursor = null;
var out = {
id: socket.id
};