added rake for orbit 4.2 upgrade

lib/tasks/upgrade.rake

@@ -0,0 +1,87 @@
+require "net/http"
+require "uri"
+require 'json'
+
+namespace :upgrade do
+  desc "Imports announcements from orbit 4.2"
+  task :import_announcement,[:url] => :environment do |task,args|
+  	puts "Starting to import announcments from #{args.url}"
+  	uri = URI.parse("#{args.url}/panel/upgrade/module?module=announcement")
+    http = Net::HTTP.new(uri.host, uri.port)
+    request = Net::HTTP::Get.new(uri.request_uri)
+    response = http.request(request)
+    data = JSON.parse(response.body) rescue nil
+    if !data.nil? && data["success"] == true
+    	puts "Importing categories...."
+	    categories = data["categories"]
+	    tags = data["tags"]
+	    announcements = data["announcements"]
+	    module_app = ModuleApp.find_by_key("announcement")
+	    I18n.locale = :zh_tw
+	    categories.each do |category|
+	    	c = Category.where(:title => category["title"]["zh_tw"], :module_app_id => module_app.id).first 
+	    	c = Category.where(:title => category["title"]["en"], :module_app_id => module_app.id).first if c.nil?
+	    	if c.nil?
+	    		c = Category.new
+	    		c.title_translations = category["title"]
+	    		c.disable = category["disable"]
+	    		c.module_app_id = module_app.id
+	    		c.save
+	    	end
+	    end
+	    puts "Categories imported."
+	    puts "Importing tags..."
+	    tags.each do |tag|
+	    	t = module_app.tags.where(:name => tag["name"]["zh_tw"]).first
+	    	t = module_app.tags.where(:name => tag["name"]["en"]).first
+	    	if t.nil?
+	    		t = Tag.new
+	    		t.name_translations = tag["name"]
+	    		t.is_default = tag["is_default"]
+	    		t.save
+	    	end
+	    end
+	    puts "Importing tags completed."
+	    puts "Importing announcements..."
+	    announcements.each do |announcement|
+	    	bulletin = Bulletin.new
+	    	bulletin.email_sent = announcement["email_sent"]
+	    	bulletin.email_sentdate = announcement["email_sentdate"]
+	    	bulletin.other_mailaddress = announcement["other_mailaddress"]
+	    	bulletin.public = announcement["public"]
+	    	bulletin.subtitle_translations = announcement["subtitle"]
+	    	bulletin.text_translations = announcement["text"]
+	    	bulletin.title_translations = announcement["title"]
+	    	bulletin.remote_image_url = announcement["image"]
+	    	announcement["links"].each do |link|
+	    		l = BulletinLink.new
+	    		l.title_translations = link["title"]
+	    		l.url = link["url"]
+	    		l.bulletin = bulletin
+	    		l.save
+	    	end
+	    	announcement["files"].each do |file|
+	    		f = BulletinFile.new
+	    		f.title_translations = file["title"]
+	    		f.description_translations = file["description"]
+	    		f.remote_file_url = file["file"]
+	    		f.bulletin = bulletin
+	    		f.save
+	    	end
+	    	category = module_app.categories.where(:title => announcement["category"]["zh_tw"]).first
+	    	category = module_app.categories.where(:title => announcement["category"]["en"]).first if category.nil?
+	    	bulletin.category = category
+	    	announcement["tags"].each do |tag|
+	    		t = module_app.tags.where(:name => tag["name"]["zh_tw"]).first 
+	    		t = module_app.tags.where(:name => tag["name"]["en"]).first if t.nil?
+	    		bulletin.tags << t
+	    	end
+	    	bulletin.approved = true
+	    	bulletin.save
+	    end
+	    puts "Announcements imported successfully."
+	else
+		puts "Import has some problem."
+	end
+  end
+end