announcement-link-widget/lib/tasks/announcement_link_widget.rake

namespace :announcement_link_widget do
  desc "Combination of widgets"
  task :make_cache,[:url] => :environment do |task,args|
 	 I18n.available_locales.each do |locale|
 	 	OrbitHelper.set_site_locale locale
  		announcement_app = ModuleApp.find_by_key("announcement")
		link_app = ModuleApp.find_by_key("web_resource")
		OrbitHelper.override_widget_module_app("announcement")
		link_app_tags = link_app.tags
		common_tags = []
		an_tags = []
		l_tags = []
		announcement_app.tags.each do |tag|
			if !tag.name.nil?
				ct = link_app_tags.where(:name => tag.name).first rescue nil
				if !ct.nil?
					common_tags << ct
					an_tags << tag
					l_tags << ct
				end
			end
		end
		common_tags_frontend = common_tags.collect do |ct|
			{
				"tag-name" => ct.name_translations[locale.to_s],
				"tag-id" => ct.name.downcase.gsub(" ", "_"),
				"announcements" => [],
				"links" => []
			}
		end

		if common_tags_frontend.size > 0
			Bulletin.all.can_display.is_approved.order_by(:postdate=>'desc').each do |ann|
	           	intersection = ann.tags & an_tags
	           	if intersection.size > 0
	           		intersection.each do |t|
	           			name = t.name.downcase.gsub(" ", "_")
	           			index = common_tags_frontend.index{|t| t["tag-id"] == name}
	           			ctf = common_tags_frontend[index]
	           			if ann.title_translations[locale.to_s] != ""
	           				ctf["announcements"] << {"title" => HTMLEntities.new.encode(ann.title_translations[locale.to_s]),"link"=>OrbitHelper.widget_item_url(ann.to_param)}
	           			end
	           		end
	           	end
	        end

	        WebLink.all.can_display.order_by(:created_at=>'desc').each do |wl|
	           	intersection = wl.tags & l_tags
	           	# debugger
	           	if intersection.size > 0
	           		intersection.each do |t|
	           			name = t.name.downcase.gsub(" ", "_")
	           			index = common_tags_frontend.index{|t| t["tag-id"] == name}
	           			ctf = common_tags_frontend[index]
	           			if wl.title_translations[locale.to_s] != ""
	           				ctf["links"] << {"title" => wl.title_translations[locale.to_s],"url" => wl.url_translations[locale.to_s]}
	           			end
	           		end
	           	end
	        end

	       # debugger
	   end
	   ts = {
	   	"bulletins"  => {
	   		"en" => "Bulletin",
	   		"zh_tw" => "公告訊息"
	   	},
	   	"related_links" => {
	   		"en" => "Related Links",
	   		"zh_tw" => "相關連結"
	   	}
	   }
		@data = {
			"tags" => common_tags_frontend,
			"extras" => {
				"heading-announcements" => ts["bulletins"][locale.to_s],
				"heading-links" => ts["related_links"][locale.to_s]
			}
		}
		file = File.join(Rails.root, "public" , "announcement_link_widget_#{locale.to_s}.json")
		File.open(file,"w") do |f|
  			f.write(@data.to_json)
		end
	end
  end
end