@baris Thank you very much it worked !!

About this plugin... https://github.com/julianlam/nodebb-plugin-subcategory-reordering#readme

When a new topic has been posted in subcategory, the current problem is that it orders that subcategory to top of parent category if and only if I restart the forum, so is working only first time after the forum is rebooted. It was supposed to order the subcategory to top of parent category whenever a new topic/reply is made in that subcategory. Here is code that does it:

plugin.onNewTopicOrReply = function(data) {
	var cid = data.topic ? data.topic.cid : data.post.topic.cid;
	categories.getCategoryField(cid, 'parentCid', function(err, parentCid) {
		if (parseInt(parentCid, 10) !== 0 && plugin._settings['cid:' + parentCid + ':enabled'] === 'on') {
			floatToTop(cid, parentCid);
		}
	});
};

function floatToTop(cid, parentCid) {
	db.sortedSetAdd('cid:' + parentCid + ':children', -Date.now(), cid, function(err) {
		if (!err) {
			winston.verbose('[plugins/subcategory-reordering] Floating cid ' + cid + ' to the top of cid ' + parentCid + '.');
		} else {
			winston.error(err.message);
		}
	});
}

So it calls floatToTop and db.sortedSetAdd sorts category by date I guess. But the problem is it does not apply real-time but works only after each time the forum is rebooted.

How can I fix it so that it works real-time?

just latest version of nodebb then installed it (https://github.com/julianlam/nodebb-plugin-subcategory-reordering#readme). it worked only in the case that I restarted the forum, but not automatially order the forums whenenver any new post is made.

Help please~

then why it didnt work? I said it only worked.after i restarts the forum each time.

Hi thanks!
I tried but it didn't work (it only works when I restart the forum but not real time as soon as I post) ! it gives me following error:

2019-07-01T20:39:54.868Z [4567/22748] - warn: [deprecated] requiring core modules with `module.parent.require('./categories')` is deprecated. Please use `require.main.require("./src/<module_name>")` instead.

2019-07-01T20:39:54.869Z [4567/22748] - warn: [deprecated] requiring core modules with `module.parent.require('./database')` is deprecated. Please use `require.main.require("./src/<module_name>")` instead.

2019-07-01T20:39:54.869Z [4567/22748] - warn: [deprecated] requiring core modules with `module.parent.require('./database')` is deprecated. Please use `require.main.require("./src/<module_name>")` instead.

2019-07-01T20:39:54.869Z [4567/22748] - warn: [deprecated] requiring core modules with `module.parent.require('./database')` is deprecated. Please use `require.main.require("./src/<module_name>")` instead.

2019-07-01T20:39:54.869Z [4567/22748] - warn: [deprecated] requiring core modules with `module.parent.require('./database')` is deprecated. Please use `require.main.require("./src/<module_name>")` instead.

Looks like I need some modifications in actual source codes. What should I replace?
I use latest nodebb version.

Hi I need a feature that puts a forum in a top of index when latest thread is made. Is there such plugin? if not, is it posssible to develop by myself?

Like many discord server has adult contents with nsfw marked, can I use nodebb for such purpose?