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December 4, 2013 10:19
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samim23 created this gist
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,79 @@ var removeSession; this.UserSessions = new Meteor.Collection(null); this.UserStatus = new (Npm.require('events').EventEmitter)(); removeSession = function(userId, sessionId) { UserSessions.remove({ _id: sessionId }); UserStatus.emit("sessionLogout", userId, sessionId); if (UserSessions.find({ userId: userId }).count() === 0) { return Meteor.users.update(userId, { $set: { 'profile.online': false } }); } }; Meteor.startup(function() { return Meteor.users.update({}, { $unset: { "profile.online": null } }, { multi: true }); }); Meteor.publish(null, function() { var existing, ipAddr, sessionId, userId, _ref; userId = this._session.userId; if (this._session.socket == null) { return; } sessionId = this._session.id; if (userId == null) { existing = UserSessions.findOne({ _id: sessionId }); if (existing == null) { return; } removeSession(existing.userId, sessionId); return; } ipAddr = ((_ref = this._session.socket.headers) != null ? _ref['x-forwarded-for'] : void 0) || this._session.socket.remoteAddress; /* TODO serious bug here when sessionId already exists in local collection Happens when userId exists but session has already been recorded with the same sessionId */ if (UserSessions.findOne(sessionId)) { UserSessions.update(sessionId, { userId: userId, ipAddr: ipAddr }); } else { UserSessions.insert({ _id: sessionId, userId: userId, ipAddr: ipAddr }); } UserStatus.emit("sessionLogin", userId, sessionId, ipAddr); Meteor.users.update(userId, { $set: { 'profile.online': true } }); this._session.socket.on("close", Meteor.bindEnvironment(function() { return removeSession(userId, sessionId); }, function(e) { return Meteor._debug("Exception from connection close callback:", e); })); });