Improve comments loading performance on long threads

History.md

@@ -1,8 +1,9 @@
 ## v0.15 “SideScope”
 
+* Improved performance when loading comments for long threads (thanks @dandv!).
 * Usernames are now case and space insensitive. `John Smith`, `JohnSmith`, and `johnsmith` are now all considered to be the same username (thanks @splendido!). 
 * Romanian translation (thanks @razvansky!).
-* Now using `feedparser` instead of `htmlparser2` to parse RSS feeds (thanks @delgermurun).
+* Now using `feedparser` instead of `htmlparser2` to parse RSS feeds (thanks @delgermurun!).
 * Now supporting RSS categories (thanks @delgermurun).
 * Added new `postListTop` zone that only appears on post lists. 
 * Now showing tagline on every post list. 

server/publications/single_comment.js

@@ -6,7 +6,7 @@ Meteor.publish('singleCommentAndChildren', function(commentId) {
     var commentIds = [commentId];
     var childCommentIds = _.pluck(Comments.find({parentCommentId: commentId}, {fields: {_id: 1}}).fetch(), '_id');
     commentIds = commentIds.concat(childCommentIds);
-    return Comments.find({_id: {$in: commentIds}});
+    return Comments.find({_id: {$in: commentIds}}, {sort: {score: -1, postedAt: -1}});
   }
   return [];
 });

server/publications/single_post.js

@@ -47,7 +47,7 @@ Meteor.publish('postUsers', function(postId) {
 
 Meteor.publish('postComments', function(postId) {
   if (can.viewById(this.userId)){
-    return Comments.find({postId: postId});
+    return Comments.find({postId: postId}, {sort: {score: -1, postedAt: -1}});
   }
   return [];
 });