fix sql error

app/controllers/comment_stream_controller.rb

@@ -0,0 +1,11 @@
+#   Copyright (c) 2010-2011, Diaspora Inc.  This file is
+#   licensed under the Affero General Public License version 3 or later.  See
+#   the COPYRIGHT file.
+
+require File.join(Rails.root, 'lib','stream', 'comments')
+
+class CommentStreamController < ApplicationController
+  def index
+    default_stream_action(Stream::Comments)
+  end
+end

app/helpers/stream_helper.rb

@@ -24,6 +24,8 @@ module StreamHelper
       aspects_path(:max_time => time_for_scroll(opts[:ajax_stream], @stream), :a_ids => @stream.aspect_ids, :sort_order => session[:sort_order])
     elsif controller.instance_of?(LikeStreamController)
       like_stream_path(:max_time => time_for_scroll(opts[:ajax_stream], @stream), :sort_order => session[:sort_order])
+    elsif controller.instance_of?(CommentStreamController)
+      comment_stream_path(:max_time => time_for_scroll(opts[:ajax_stream], @stream), :sort_order => session[:sort_order])
     else
       raise 'in order to use pagination for this new controller, update next_page_path in stream helper'
     end

app/models/status_message.rb

@@ -37,6 +37,10 @@ class StatusMessage < Post
     joins(:mentions).where(:mentions => {:person_id => person.id})
   }
   
+  scope :commented_by, lambda { |person|
+    select('DISTINCT "posts".*').joins(:comments).where(:comments => {:author_id => person.id})
+  }
+
   scope :liked_by, lambda { |person|
     joins(:likes).where(:likes => {:author_id => person.id})
   }

app/views/aspects/index.html.haml

@@ -43,6 +43,12 @@
         %b
           = link_to t('streams.mentions.title'), mentions_path, :class => 'home_selector'
 
+  .section
+    %ul.left_nav
+      %li
+        %b
+          = link_to t('streams.comment_stream.title'), comment_stream_path, :class => 'home_selector'
+
   .section
     %ul.left_nav
       %li

config/locales/diaspora/en.yml

@@ -889,9 +889,13 @@ en:
       title: "@Mentions"
       contacts_title: "People who mentioned you"
 
+    comment_stream:
+      title: "Commented Posts"
+      contacts_title: "People who posts you commented"
+
     like_stream:
       title: "Like Stream"
-      contacts_title: "People who Posts you like"
+      contacts_title: "People who posts you like"
 
     followed_tag:
       title: "#Followed Tags"

config/routes.rb

@@ -59,6 +59,8 @@ Diaspora::Application.routes.draw do
   resources :mentions, :only => [:index]
   resources "tag_followings", :only => [:create]
 
+  get 'comment_stream' => 'comment_stream#index', :as => 'comment_stream'
+
   get 'like_stream' => 'like_stream#index', :as => 'like_stream'
 
   get 'tags/:name' => 'tags#show', :as => 'tag'

lib/stream/comments.rb

@@ -0,0 +1,22 @@
+#   Copyright (c) 2010-2011, Diaspora Inc.  This file is
+#   licensed under the Affero General Public License version 3 or later.  See
+#   the COPYRIGHT file.
+
+class Stream::Comments < Stream::Base
+  def link(opts={})
+    Rails.application.routes.url_helpers.comment_stream_path(opts)
+  end
+
+  def title
+    I18n.translate("streams.comment_stream.title")
+  end
+
+  # @return [ActiveRecord::Association<Post>] AR association of posts
+  def posts
+    @posts ||= StatusMessage.commented_by(self.user.person)
+  end
+
+  def contacts_title
+    I18n.translate('streams.comment_stream.contacts_title')
+  end
+end

public/javascripts/pages/comment-stream-index.js

@@ -0,0 +1,11 @@
+Diaspora.Pages.CommentStreamIndex = function() {
+  var self = this;
+
+  this.subscribe("page/ready", function(evt, document) {
+
+    self.aspectNavigation = self.instantiate("AspectNavigation", document.find("ul#aspect_nav"));
+    self.stream = self.instantiate("Stream", document.find("#aspect_stream_container"));
+    self.infiniteScroll = self.instantiate("InfiniteScroll");
+  });
+};
+

spec/lib/stream/comments_spec.rb

@@ -0,0 +1,12 @@
+require 'spec_helper'
+require File.join(Rails.root, 'spec', 'shared_behaviors', 'stream')
+
+describe Stream::Comments do
+  before do
+    @stream = Stream::Comments.new(alice, :max_time => Time.now, :order => 'updated_at')
+  end
+
+  describe 'shared behaviors' do
+    it_should_behave_like 'it is a stream'
+  end
+end