Changed comments to CommentsCount; Now tracking _ids of commenters on each Post document

History.md

@@ -4,6 +4,8 @@
 * Changed `navItems` to `primaryNav` and added `secondaryNav`. 
 * Added new `themeSettings` object for storing theme-level settings.
 * Notifications is now a nav menu item. 
+* Renamed `comments` to `commentsCount` on `Post` model.
+* Now tracking list of commenters `_id`s on `Post` model.
 
 ## v0.9.2.5 “AccountScope”
 

client/views/posts/modules/post_comments_link.html

@@ -1,7 +1,7 @@
 <template name="postCommentsLink">
   <div class="post-meta-item">
     <a class="comments-link" href="/posts/{{_id}}">
-      <span class="count">{{comments}}</span>
+      <span class="count">{{commentsCount}}</span>
       <span class="action">{{i18n 'Comments'}}</span>
     </a>
   </div>

client/views/posts/modules/post_discuss.html

@@ -1,7 +1,7 @@
 <template name="postDiscuss">
   <a class="discuss-link go-to-comments" href="/posts/{{_id}}">
     <i class="icon-comment"></i>
-    <span class="count">{{comments}}</span>
+    <span class="count">{{commentsCount}}</span>
     <span class="action">{{i18n 'Discuss'}}</span>
   </a>
 </template>

collections/comments.js

@@ -128,7 +128,11 @@ Meteor.methods({
     // extend comment with newly created _id
     comment = _.extend(comment, {_id: newCommentId});
 
-    Posts.update(postId, {$inc: {comments: 1}, $set: {lastCommentedAt: now}});
+    Posts.update(postId, {
+      $inc:       {commentsCount: 1},
+      $set:       {lastCommentedAt: now},
+      $addToSet:  {commenters: user._id}
+    });
 
     Meteor.call('upvoteComment', comment);
 
@@ -167,8 +171,11 @@ Meteor.methods({
   removeComment: function(commentId){
     var comment=Comments.findOne(commentId);
     if(canEdit(Meteor.user(), comment)){
-      // decrement post comment count
+      // decrement post comment count and remove user ID from post
-      Posts.update(comment.postId, {$inc: {comments: -1}});
+      Posts.update(comment.postId, {
+        $inc:   {commentsCount: -1},
+        $pull:  {commenters: comment.userId}
+      });
 
       // decrement user comment count
       Meteor.users.update({_id: comment.userId}, {$inc: {commentCount: -1}});

collections/posts.js

@@ -24,10 +24,14 @@ postSchemaObject = {
     type: String,
     optional: true
   },
-  comments: {
+  commentsCount: {
     type: Number,
     optional: true
   },
+  commenters: {
+    type: [String],
+    optional: true
+  },
   lastCommentedAt: {
     type: Date,
     optional: true

server/migrations.js

@@ -280,5 +280,26 @@ var migrationsList = {
       console.log("---------------------");
     });
     return i;
+  },
+  commentsToCommentsCount: function () {
+    var i = 0;
+    Posts.find({commentsCount: {$exists : false}}).forEach(function (post) {
+      i++;
+      console.log("Post: "+post._id);
+      Posts.update(post._id, { $rename: { 'comments': 'commentsCount'}}, {multi: true, validate: false});
+      console.log("---------------------");
+    });
+    return i;
+  },
+  addCommentersToPosts: function () {
+    var i = 0;
+    Comments.find().forEach(function (comment) {
+      i++;
+      console.log("Comment: "+comment._id);
+      console.log("Post: "+comment.postId);
+      Posts.update(comment.postId, { $addToSet: { 'commenters': comment.userId}}, {multi: true, validate: false});
+      console.log("---------------------");
+    });
+    return i;
   }
 }