add sceduler job for rss feed

app/jobs/get_announcement_from_rss.rb

@@ -0,0 +1,7 @@
+class GetAnnouncementFromRss 
+  @queue = :high
+
+  def self.perform()
+    %x(ruby "#{Rails.root}/lib/rss_ntu_job.rb")
+  end
+end

config/resque_schedule.yml

@@ -9,3 +9,9 @@ generate_system_summary:
   class: GenerateSystemSummary
   args:
   description: Generate the system status such as disk free space,package version list for showing at site tab
+
+get_announcement_from_rss:
+  cron: "30 * * * * *"
+  class: GetAnnouncementFromRss
+  args:
+  description: Loop through the announcement RSS until 24h ago

lib/rss_ntu_job.rb

@@ -0,0 +1,114 @@
+# encoding: utf-8
+require 'rss'
+require 'mongo'
+require 'mongoid'
+
+# Change this according to local DB
+DB_NAME = "orbit_site_new" 
+
+Mongoid.configure do |config|
+  config.master = Mongo::Connection.new("localhost", 27017).db("#{DB_NAME}")
+end
+
+class Bulletin
+  include Mongoid::Document
+  include Mongoid::Timestamps
+  include Mongoid::MultiParameterAttributes
+end
+
+class BufferCategory
+  include Mongoid::Document
+  include Mongoid::Timestamps
+end
+
+# Create a hash rss site list from mongodb
+db = Mongo::Connection.new("localhost", 27017).db("#{DB_NAME}")
+SITES = Hash[ db["announcement_feeds"].find(accepted: true).entries.collect {|f| [ f["name"], f["link"] ]} ]
+CATEGORIES = Array( db["announcement_feeds"].find().entries.collect {|f| f["categories"]} )
+
+yesterday = Time.now - 86400
+two_weeks_ago = Time.new - 60 * 60 * 24 * 14
+
+recent_feed = {}
+
+SITES.each_with_index do |(name, url), i|
+  open("http://#{url}/panel/announcement/front_end/bulletins.rss?inner=true") do |rss|
+    # Giving 'false' parameter is for skipping irregular format of the RSS
+    feed = RSS::Parser.parse(rss, false)
+
+    feed.items.each do |item|
+      category = item.category.to_s.gsub(/\<(\/)*category\>/, '')
+      
+      if ( item.pubDate > yesterday ) && ( CATEGORIES[i][0] == "全部" || CATEGORIES[i].include?(category) ) 
+        recent_feed[item.title.strip] = { date: item.pubDate, description: item.description.gsub("\r\n", '<br/>').strip,
+          link: item.link, category: category, source: name }
+      end
+    end
+  end
+end
+
+def get_category_id(category, categories, coll_cat)
+  db = Mongo::Connection.new("localhost", 27017).db("#{DB_NAME}")
+  if categories.keys.include? "rss_#{category}"
+    [categories["rss_#{category}"], categories]
+  else
+    cat = {
+      _type: "Category",
+      key: "rss_#{category}",
+      disable: false,
+      title: {:zh_tw => "rss_#{category}"},
+      created_at: Time.now,
+      updated_at: Time.now,
+      module_app_id: db["module_apps"].find({:key=>"announcement"}).first['_id']
+    }
+    categories["rss_#{category}"] = result = coll_cat.save(cat)
+    [result, categories]
+  end
+end
+
+def get_mongo_and_categories
+  db = Mongo::Connection.new("localhost", 27017).db("#{DB_NAME}")
+  coll_bulletin = db["bulletins"]
+  coll_cat =  db["categories"]
+
+  categories = coll_cat.find().to_a.inject({}) do |categories, category|
+    categories[category['key']] = category['_id']
+    categories
+  end
+
+  [categories, coll_bulletin, coll_cat]
+end
+
+recent_feed.each do |title, bulletin|
+
+  categories, coll_bulletin, coll_cat = get_mongo_and_categories
+  category_id, categories = get_category_id(bulletin[:category], categories, coll_cat)
+
+  unless coll_bulletin.find_one(rss_link: bulletin[:link]) 
+    bulletin = {  _type: "Bulletin",
+                  postdate: bulletin[:date],
+                  created_at: bulletin[:date],
+                  updated_at: bulletin[:date],
+                  category_id: category_id,
+                  title: {:zh_tw => title, :en => ""},
+                  text: {:zh_tw => bulletin[:description], :en => ""},
+                  available_for_zh_tw: true,
+                  available_for_en: false,
+                  rss_link: bulletin[:link],
+                  rss_source: bulletin[:source],
+                  is_top: false,
+                  is_hot: false,
+                  is_hidden: false }
+
+    # coll_bulletin.save(bulletin)
+    bulletin = Bulletin.new(bulletin)
+    bulletin.save!
+
+    category = { _type: "BufferCategory",
+                 category_id: category_id,
+                 categorizable_type: "Bulletin",
+                 categorizable_id: bulletin.id }
+    buffer_category = BufferCategory.new(category)
+    buffer_category.save!
+  end
+end