Comments (1)
Events are cheap and - as long as the client is allowed to see them which is what event filters determine - it is much easier for the client to just ignore it if they don't need it. We recommend not to keep track of the user state on the server because it is pretty bad for performance but to answer your question, you can create a custom event to subscribe to specific ids:
socket.on('subscribe', (service, ids) => {
socket.feathers.eventSubscriptions = {
[service]: ids
};
});
Then in a filter on the server:
app.service('event').filter('updated', (data, connection) => {
if(connection.eventSubscriptions.ids.indexOf(data._id) === -1) {
return false;
}
returnd data;
});
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