experiment with hiding fresh but boring comment scores

app/assets/javascripts/application.js.erb

@@ -116,7 +116,12 @@ var _Lobsters = Class.extend({
 
     var li = $(voterEl).closest(".story, .comment");
     var scoreDiv = li.find("div.score").get(0);
-    var score = parseInt(scoreDiv.innerHTML);
+    var score = 0;
+    var showScore = true;
+    if (scoreDiv.innerHTML == "-")
+      showScore = false;
+    else
+      score = parseInt(scoreDiv.innerHTML);
     var action = "";
 
     if (li.hasClass("upvoted") && point > 0) {
@@ -150,7 +155,8 @@ var _Lobsters = Class.extend({
       action = "downvote";
     }
 
-    scoreDiv.innerHTML = score;
+    if (showScore)
+      scoreDiv.innerHTML = score;
 
     if (action == "upvote" || action == "unvote") {
       li.find(".reason").html("");

app/assets/stylesheets/application.css

@@ -487,6 +487,10 @@ li div.details {
 	opacity: 0.5;
 }
 
+.comment.bad {
+	opacity: 0.7;
+}
+
 .comment:target {
 	background-color: #fffcd7;
 	border-radius: 20px;

app/models/comment.rb

@@ -32,6 +32,8 @@ class Comment < ActiveRecord::Base
   # after this many minutes old, a comment cannot be edited
   MAX_EDIT_MINS = (60 * 6)
 
+  SCORE_RANGE_TO_HIDE = (-2 .. 4)
+
   validate do
     self.comment.to_s.strip == "" &&
       errors.add(" ", I18n.t( 'models.comment.commentcannotbeblank'))
@@ -429,6 +431,16 @@ class Comment < ActiveRecord::Base
     self.upvotes - self.downvotes
   end
 
+  def score_for_user(user)
+    if (user && user.is_moderator?) ||
+    (self.created_at && self.created_at < 24.hours.ago) ||
+    !SCORE_RANGE_TO_HIDE.include?(score)
+      score
+    else
+      "-"
+    end
+  end
+
   def short_id_url
     Rails.application.root_url + "c/#{self.short_id}"
   end

app/views/comments/_comment.html.erb

@@ -5,9 +5,7 @@
 data-shortid="<%= comment.short_id if comment.persisted? %>"
 class="comment <%= comment.current_vote ? (comment.current_vote[:vote] == 1 ?
 "upvoted" : "downvoted") : "" %>
-  <%= comment.score <= -1 ? "negative_1" : "" %>
-  <%= comment.score <= -3 ? "negative_3" : "" %>
-  <%= comment.score <= -5 ? "negative_5" : "" %>">
+  <%= comment.score < Comment::SCORE_RANGE_TO_HIDE.first ? "bad" : "" %>">
   <% if !comment.is_gone? %>
     <div class="voters">
       <% if @user %>
@@ -15,7 +13,7 @@ class="comment <%= comment.current_vote ? (comment.current_vote[:vote] == 1 ?
       <% else %>
         <%= link_to "", login_path, :class => "upvoter" %>
       <% end %>
-      <div class="score"><%= comment.score %></div>
+      <div class="score"><%= comment.score_for_user(@user) %></div>
       <% if @user && @user.can_downvote?(comment) %>
         <a class="downvoter"></a>
       <% else %>