concordia-publishing-house/errbit

class NotificationServices::GtalkService < NotificationService
  Label = "gtalk"
  Fields += [
      [:subdomain, {
          :placeholder => "username@example.com",
          :label       => "Username"
      }],
      [:api_token, {
          :placeholder => "password",
          :label       => "Password"
      }],
      [:user_id, {
           :placeholder => "touser@example.com, anotheruser@example.com",
           :label => "Send To User(s)"
       }, :room_id],
      [:room_id, {
          :placeholder => "toroom@conference.example.com",
          :label       =>  "Send To Room (one only)"
      }, :user_id],
      [ :service, {
          :placeholder => "talk.google.com",
          :label => "Jabber Service"
      }],
      [ :service_url, {
          :placeholder => "http://www.google.com/talk/",
          :label => "Link To Jabber Service"
      }]
  ]

  def check_params
    if Fields.detect { |f| self[f[0]].blank? && self[f[2]].blank? } 
      errors.add :base, 
      """You must specify your Username, Password, service, service_url 
         and either rooms or users to send to or both"""
    end
  end

  def url
    service_url || "http://www.google.com/talk/"
  end

  def create_notification(problem)
    # build the xmpp client
    client = Jabber::Client.new(Jabber::JID.new(subdomain))
    client.connect(service)
    client.auth(api_token)

    #has to look like this to be formatted properly in the client
    message =  """#{problem.app.name.to_s}
http://#{Errbit::Config.host}/apps/#{problem.app.id.to_s}
#{notification_description problem}"""

    # post the issue to the xmpp room(s)
    send_to_users(client, message) unless user_id.blank?
    send_to_muc(client, message) unless room_id.blank?
  end

  private
 
  def send_to_users client, message
    user_id.gsub(/ /i, ",").gsub(/;/i, ",").split(",").map(&:strip).reject(&:empty?).each do |user|
      client.send(Jabber::Message.new(user, message))
    end
  end

  def send_to_muc client, message
    #TODO: set this so that it can send to multiple rooms like users, nb multiple room joins in one send fail randomly so leave as one room for the moment 
    muc = Jabber::MUC::SimpleMUCClient.new(client)
    muc.join(room_id + "/errbit") 
    muc.send(Jabber::Message.new(room_id, message))
  end
end