fix empty pages

public/src/client/topic.js

@@ -292,7 +292,7 @@ define('forum/topic', dependencies, function(pagination, infinitescroll, threadT
 		function findInsertionPoint() {
 			var firstPostTimestamp = parseInt(data.posts[0].timestamp, 10);
 			var firstPostVotes = parseInt(data.posts[0].votes, 10);
-			var firstPostPid = data.posts[0].pid;
+			var firstPostPid = parseInt(data.posts[0].pid, 10);
 
 			var firstReply = $('#post-container li.post-row[data-index!="0"]').first();
 			var lastReply = $('#post-container li.post-row[data-index!="0"]').last();
@@ -315,9 +315,9 @@ define('forum/topic', dependencies, function(pagination, infinitescroll, threadT
 				} else if(firstPostVotes < parseInt(firstReply.attr('data-votes'), 10)) {
 					after = lastReply;
 				} else {
-					if (firstPostPid > firstReply.attr('data-pid')) {
+					if (firstPostPid <= parseInt(firstReply.attr('data-pid'), 10)) {
 						before = firstReply;
-					} else if(firstPostPid <= firstReply.attr('data-pid')) {
+					} else if(firstPostPid > parseInt(firstReply.attr('data-pid'), 10)) {
 						after = lastReply;
 					}
 				}

src/controllers/topics.js

@@ -44,7 +44,7 @@ topicsController.get = function(req, res, next) {
 		},
 		function (results, next) {
 
-			var postCount = parseInt(results.postCount, 10) + 1;
+			var postCount = parseInt(results.postCount, 10);
 			if (utils.isNumber(req.params.post_index)) {
 				var url = '';
 				if (req.params.post_index > postCount) {

src/socket.io/topics.js

@@ -428,15 +428,13 @@ SocketTopics.loadMore = function(socket, data, callback) {
 			reverse = false,
 			start = Math.max(parseInt(data.after, 10) - 1, 0);
 
-		if (results.settings.topicPostSort === 'newest_to_oldest') {
+		if (results.settings.topicPostSort === 'newest_to_oldest' || results.settings.topicPostSort === 'most_votes') {
 			reverse = true;
-			data.after = results.postCount - data.after;
+			data.after = results.postCount - 1 - data.after;
 			start = Math.max(parseInt(data.after, 10), 0);
-		} else if (results.settings.topicPostSort === 'most_votes') {
+			if (results.settings.topicPostSort === 'most_votes') {
-			reverse = true;
+				set = 'tid:' + data.tid + ':posts:votes';
-			data.after = results.postCount - data.after;
+			}
-			start = Math.max(parseInt(data.after, 10), 0);
-			set = 'tid:' + data.tid + ':posts:votes';
 		}
 
 		var end = start + results.settings.postsPerPage - 1;