router (controller)

# coding: utf-8
require 'sequel'

class Chat
    @@DB=Sequel.sqlite
    @@DB.create_table :messages do
        primary_key :id
        String :body
        String :username
    end
    @@messages=@@DB[:messages]
    def Chat.send(params, user_info)
        @@messages.insert(:body=>params[:body], :username=>user_info[:username])
    end
    def Chat.get(params, user_info)
        @@messages.all
    end
end