From 308370c4dfa6e831d7c300d52e4a72e1d0b55aba Mon Sep 17 00:00:00 2001
From: Harry Bomrah <harry@rulingcom.com>
Date: Fri, 11 Sep 2015 20:28:41 +0800
Subject: [PATCH] added rss feeds

---
 .../admin/announcements_controller.rb         |  2 +-
 .../announcement_feeds_controller.rb          | 70 +++++++++++++------
 app/views/admin/announcements/_feed.html.erb  |  3 +
 .../announcement_feeds/rssfeed.rss.builder    | 16 +++++
 config/locales/en.yml                         |  1 +
 config/locales/zh_tw.yml                      |  1 +
 config/routes.rb                              |  1 +
 7 files changed, 71 insertions(+), 23 deletions(-)
 create mode 100644 app/views/announcement_feeds/rssfeed.rss.builder

diff --git a/app/controllers/admin/announcements_controller.rb b/app/controllers/admin/announcements_controller.rb
index f04ce6a..03fe0d7 100644
--- a/app/controllers/admin/announcements_controller.rb
+++ b/app/controllers/admin/announcements_controller.rb
@@ -30,7 +30,7 @@ class Admin::AnnouncementsController < OrbitAdminController
   end
 
   def feed
-    @table_feed_fields = ["announcement.feed_name", :tags]
+    @table_feed_fields = ["announcement.feed_name", :tags, "announcement.rssfeed"]
     @feeds = BulletinFeed.all.asc(:created_at)
     
   end
diff --git a/app/controllers/announcement_feeds_controller.rb b/app/controllers/announcement_feeds_controller.rb
index 5f47a10..68d0f75 100644
--- a/app/controllers/announcement_feeds_controller.rb
+++ b/app/controllers/announcement_feeds_controller.rb
@@ -1,7 +1,50 @@
+require "rss"
 class AnnouncementFeedsController < ApplicationController
-
+	include Admin::AnnouncementsHelper
 	def feed
 		uid = params[:uid]
+		anns = get_announcements(uid)
+		render :json => anns.to_json
+	end
+
+	def rssfeed
+		uid = params[:uid]
+		@bf = BulletinFeed.find_by(:uid => uid) rescue nil
+		if !@bf.nil?
+			tags = @bf.tag_ids
+			if !tags.empty?
+				@announcements = Bulletin.can_display.is_approved.filter_by_tags(tags)
+			end
+		end
+		respond_to do |format|
+			format.html {redirect_to "/xhr/announcements/rssfeed/#{@bf.uid}.rss"}
+     		format.rss
+    	end
+	end
+
+	def feeds
+		feeds = []
+		BulletinFeed.all.each do |bf|
+			feed = {}
+			feed["title_translations"] = bf.title_translations
+			feed["uid"] = bf.uid
+			feed["url"] = "#{request.base_url}/xhr/announcements/feed/#{bf.uid}"
+			feed["xml_url"] = "#{request.base_url}/xhr/announcements/rssfeed/#{bf.uid}.rss"
+			feed["tags"] = []
+			bf.tag_ids.each do |t|
+				tag = Tag.find(t)
+				d = {}
+				d["name_translations"] = tag.name_translations
+				feed["tags"] << d
+			end
+			feeds << feed
+		end
+		render :json => {"feeds" => feeds}.to_json
+	end
+
+	private 
+
+	def get_announcements(uid)
 		bf = BulletinFeed.find_by(:uid => uid) rescue nil
 		if !bf.nil?
 			tags = bf.tag_ids
@@ -57,28 +100,11 @@ class AnnouncementFeedsController < ApplicationController
 			end
 			all_anns << a
 		end
-		render :json => {"announcements" => all_anns, "tags" => tag_names}.to_json
+		{
+			"announcements" => all_anns,
+			"tags" => tag_names
+		}
 	end
-
-	def feeds
-		feeds = []
-		BulletinFeed.all.each do |bf|
-			feed = {}
-			feed["title_translations"] = bf.title_translations
-			feed["uid"] = bf.uid
-			feed["url"] = "#{request.base_url}/xhr/announcements/feed/#{bf.uid}"
-			feed["tags"] = []
-			bf.tag_ids.each do |t|
-				tag = Tag.find(t)
-				d = {}
-				d["name_translations"] = tag.name_translations
-				feed["tags"] << d
-			end
-			feeds << feed
-		end
-		render :json => {"feeds" => feeds}.to_json
-	end
-
 end
 
 
diff --git a/app/views/admin/announcements/_feed.html.erb b/app/views/admin/announcements/_feed.html.erb
index f08181d..5c92dcd 100644
--- a/app/views/admin/announcements/_feed.html.erb
+++ b/app/views/admin/announcements/_feed.html.erb
@@ -31,4 +31,7 @@
           </div>
       </div>
   </td>
+  <td>
+    <a href="/xhr/announcements/rssfeed/<%= feed.uid %>.rss" target="_blank">Rss Feed</a>
+  </td>
 </tr>
\ No newline at end of file
diff --git a/app/views/announcement_feeds/rssfeed.rss.builder b/app/views/announcement_feeds/rssfeed.rss.builder
new file mode 100644
index 0000000..a4c7219
--- /dev/null
+++ b/app/views/announcement_feeds/rssfeed.rss.builder
@@ -0,0 +1,16 @@
+xml.instruct! :xml, :version => "1.0" 
+xml.rss :version => "2.0" do
+  xml.channel do
+    xml.title @bf.title
+    xml.link "/xhr/announcements/rssfeed/73999228.rss"
+    
+    for announcement in @announcements
+      xml.item do
+        xml.title announcement.title
+        xml.description announcement.subtitle
+        xml.pubDate announcement.created_at.to_s(:rfc822)
+        xml.link page_for_bulletin(announcement)
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/config/locales/en.yml b/config/locales/en.yml
index db8851d..0b69832 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -13,6 +13,7 @@ en:
       view_count: View Count
     add_new: Add New
     feed_name: Feed Name
+    rssfeed: Rss Feed Link
     feed_list: Feed List
     approve: Approve
     all_articles: All Articles
diff --git a/config/locales/zh_tw.yml b/config/locales/zh_tw.yml
index d08484a..0fee564 100644
--- a/config/locales/zh_tw.yml
+++ b/config/locales/zh_tw.yml
@@ -14,6 +14,7 @@ zh_tw:
     add_new: 新建
     approve: 通過
     feed_name: Feed 標題
+    rssfeed: Rss Feed Link
     feed_list: 訂閱清單
     all_articles: 文章列表
     announcement: 公告
diff --git a/config/routes.rb b/config/routes.rb
index 81add08..bd2fddb 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -23,6 +23,7 @@ Rails.application.routes.draw do
    end
 
    get "/xhr/announcements/feed/:uid" => "announcement_feeds#feed"
+   get "/xhr/announcements/rssfeed/:uid" => "announcement_feeds#rssfeed"
    get "/xhr/announcements/feeds" => "announcement_feeds#feeds"
   end