removed most of the db.sortedSetCards

public/src/client/category.js

@@ -73,7 +73,7 @@ define('forum/category', ['composer', 'forum/pagination', 'forum/infinitescroll'
 	};
 
 	Category.toBottom = function() {
-		socket.emit('categories.lastTopicIndex', ajaxify.variables.get('category_id'), function(err, index) {
+		socket.emit('categories.getTopicCount', ajaxify.variables.get('category_id'), function(err, index) {
 			navigator.scrollBottom(index);
 		});
 	};

src/categories.js

@@ -167,7 +167,7 @@ var db = require('./database'),
 	};
 
 	Categories.getPageCount = function(cid, uid, callback) {
-		db.sortedSetCard('categories:' + cid + ':tid', function(err, topicCount) {
+		Catgories.getCategoryField(cid, 'topic_count', function(err, topicCount) {
 			if (err) {
 				return callback(err);
 			}

src/controllers/users.js

@@ -63,7 +63,7 @@ function getUsers(set, res, next) {
 			user.getUsersFromSet(set, 0, 49, next);
 		},
 		count: function(next) {
-			db.sortedSetCard(set, next);
+			db.getObjectField('global', 'userCount', next);
 		}
 	}, function(err, results) {
 		if (err) {

src/middleware/middleware.js

@@ -128,7 +128,7 @@ middleware.addSlug = function(req, res, next) {
 };
 
 middleware.checkTopicIndex = function(req, res, next) {
-	db.sortedSetCard('categories:' + req.params.category_id + ':tid', function(err, topicCount) {
+	categories.getCategoryField(req.params.category_id, 'topic_count', function(err, topicCount) {
 		if (err) {
 			return next(err);
 		}

src/socket.io/categories.js

@@ -71,10 +71,6 @@ SocketCategories.getTopicCount = function(socket, cid, callback) {
 	categories.getCategoryField(cid, 'topic_count', callback);
 };
 
-SocketCategories.lastTopicIndex = function(socket, cid, callback) {
-	db.sortedSetCard('categories:' + cid + ':tid', callback);
-};
-
 SocketCategories.getUsersInCategory = function(socket, cid, callback) {
 	var uids = websockets.getUidsInRoom('category_' + cid);
 	user.getMultipleUserFields(uids, ['uid', 'userslug', 'username', 'picture'], callback);

src/topics.js

@@ -77,7 +77,7 @@ var async = require('async'),
 	};
 
 	Topics.getPageCount = function(tid, uid, callback) {
-		db.sortedSetCard('tid:' + tid + ':posts', function(err, postCount) {
+		Topics.getTopicField(tid, 'postcount', function(err, postCount) {
 			if (err) {
 				return callback(err);
 			}
@@ -352,9 +352,16 @@ var async = require('async'),
 
 		async.parallel({
 			counts: function(next) {
-				async.map(tids, function(tid, next) {
-					db.sortedSetCard('tid:' + tid + ':posts', next);
-				}, next);
+				Topics.getTopicsFields(tids, ['postcount'], function(err, topics) {
+					if (err) {
+						return next(err);
+					}
+					topics = topics.map(function(topic) {
+						return topic && topic.postcount;
+					});
+
+					next(null, topics);
+				});
 			},
 			pids: function(next) {
 				async.map(tids, function(tid, next) {

src/topics/posts.js

@@ -263,7 +263,7 @@ module.exports = function(Topics) {
 	};
 
 	Topics.getPostCount = function(tid, callback) {
-		db.sortedSetCard('tid:' + tid + ':posts', callback);
+		db.getObjectField('topic:' + tid, 'postcount', callback);
 	};
 
 };

src/user/notifications.js

@@ -214,7 +214,9 @@ var async = require('async'),
 		if (!parseInt(uid, 10)) {
 			return callback(null, 0);
 		}
-		db.sortedSetCard('uid:' + uid + ':notifications:unread', callback);
+		db.getSortedSetRange('uid:' + uid + ':notifications:unread', 0, 20, function(err, nids) {
+			callback(err, Array.isArray(nids) ? nids.length : 0);
+		});
 	};
 
 	UserNotifications.getUnreadByField = function(uid, field, value, callback) {