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RSS of a topic via new route

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Adds TopicView#recent_posts; Post#by_newest, #with_user, #author_readable; User#readable_name
Autodiscovery tag in topic show HTML.
This commit is contained in:
Alexander
2013-02-21 10:20:00 -08:00
parent e363950bf5
commit 8855a0bfbe
12 changed files with 125 additions and 1 deletions
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7
app/controllers/topics_controller.rb
View File

@@ -17,7 +17,7 @@ class TopicsController < ApplicationController
:move_posts]
before_filter :consider_user_for_promotion, only: :show
skip_before_filter :check_xhr, only: [:avatar, :show]
skip_before_filter :check_xhr, only: [:avatar, :show, :feed]
caches_action :avatar, :cache_path => Proc.new {|c| "#{c.params[:post_number]}-#{c.params[:topic_id]}" }
@@ -141,6 +141,11 @@ class TopicsController < ApplicationController
render nothing: true
end
def feed
@topic_view = TopicView.new(params[:topic_id])
render 'topics/show', formats: [:rss]
end
private
def create_topic_view

7
app/models/post.rb
View File

@@ -57,6 +57,9 @@ class Post < ActiveRecord::Base
TopicUser.auto_track(self.user_id, self.topic_id, TopicUser::NotificationReasons::CREATED_POST)
end
scope :by_newest, order('created_at desc, id desc')
scope :with_user, includes(:user)
def raw_quality
sentinel = TextSentinel.new(self.raw, min_entropy: SiteSetting.body_min_entropy)
@@ -298,6 +301,10 @@ class Post < ActiveRecord::Base
"/t/#{Slug.for(topic.title)}/#{topic.id}/#{post_number}"
end
def author_readable
user.readable_name
end
def revise(updated_by, new_raw, opts={})
PostRevisor.new(self).revise!(updated_by, new_raw, opts)
end

8
app/models/user.rb
View File

@@ -458,6 +458,14 @@ class User < ActiveRecord::Base
$redis.set(last_seen_key, Time.now.to_f)
end
def readable_name
if name.present? && name != username
"#{name} (#{username})"
else
username
end
end
protected
def cook

2
app/views/layouts/application.html.erb
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@@ -19,6 +19,8 @@
<%=csrf_meta_tags%>
<%= yield :head %>
</head>
<body>

4
app/views/topics/show.html.erb
View File

@@ -21,3 +21,7 @@
<p>Powered by <a href="http://www.discourse.org">Discourse</a>, best viewed with JavaScript enabled</p>
<% content_for :head do %>
<%= auto_discovery_link_tag(@topic_view, {action: :feed, format: :rss}, title: "RSS feed of '#{@topic_view.title}'") %>
<% end %>

22
app/views/topics/show.rss.erb Normal file
View File

@@ -0,0 +1,22 @@
<?xml version="1.0" encoding="UTF-8" ?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
<channel>
<title><%= @topic_view.title %></title>
<link><%= Discourse.base_url %><%= @topic_view.relative_url %></link>
<description><%= @topic_view.posts.first.raw %></description>
<atom:link href="<%= Discourse.base_url %><%= @topic_view.relative_url %>.rss" rel="self" type="application/rss+xml" />
<% @topic_view.recent_posts.each do |post| %>
<item>
<title><%= @topic_view.title %> at <%= post.created_at %></title>
<description><![CDATA[
<p><%= post.author_readable %> wrote:</p>
<%= post.cooked.html_safe %>
]]></description>
<link><%= Discourse.base_url %><%= post.url %></link>
<pubDate><%= post.created_at.rfc2822 %></pubDate>
<guid><%= Discourse.base_url %><%= post.url %></guid>
<source url="<%= Discourse.base_url %><%= @topic_view.relative_url %>.rss"><%= @topic_view.title %></source>
</item>
<% end %>
</channel>
</rss>