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Add support of saving note revision and improve app start and stop procedure to ensure data integrity

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Cheng-Han, Wu 2016-06-17 16:09:33 +08:00
parent 56b4739e6d
commit dbc126b156
7 changed files with 366 additions and 24 deletions
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28
lib/realtime.js
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@ -26,8 +26,7 @@ var realtime = {
secure: secure,
connection: connection,
getStatus: getStatus,
users: users,
notes: notes
isReady: isReady
};
function onAuthorizeSuccess(data, accept) {
@ -72,9 +71,8 @@ function emitCheck(note) {
}
//actions
var users, notes;
realtime.users = users = {};
realtime.notes = notes = {};
var users = {};
var notes = {};
//update when the note is dirty
var updater = setInterval(function () {
async.each(Object.keys(notes), function (key, callback) {
@ -152,6 +150,7 @@ function finishUpdateNote(note, _note, callback) {
lastchangeAt: Date.now()
};
_note.update(values).then(function (_note) {
saverSleep = false;
return callback(null, _note);
}).catch(function (err) {
logger.error(err);
@ -179,6 +178,18 @@ var cleaner = setInterval(function () {
if (err) return logger.error('cleaner error', err);
});
}, 60000);
var saverSleep = true;
// save note revision in interval
var saver = setInterval(function () {
if (saverSleep) return;
models.Revision.saveAllNotesRevision(function (err, notes) {
if (err) return logger.error('revision saver failed: ' + err);
if (notes.length <= 0) {
saverSleep = true;
return;
}
});
}, 60000 * 5);
function getStatus(callback) {
models.Note.count().then(function (notecount) {
@ -233,6 +244,13 @@ function getStatus(callback) {
});
}
function isReady() {
return realtime.io
&& Object.keys(notes).length == 0 && Object.keys(users).length == 0
&& connectionSocketQueue.length == 0 && !isConnectionBusy
&& disconnectSocketQueue.length == 0 && !isDisconnectBusy;
}
function extractNoteIdFromSocket(socket) {
if (!socket || !socket.handshake || !socket.handshake.headers) {
return false;