email.rb

class Email

  include Gmail

  FILENAME = 'email_config.yaml'

  def initialize(user=nil, password=nil)
    if user.nil? and password.nil?
      data = YAML::load(File.open(FILENAME))
      user=data['email']
      password=data['password']
      @folder=data['folder']
    end
    begin
      @gmail = Gmail.connect!(user,password)
    rescue Net::IMAP::BadResponseError
      puts "CANNOT LOGIN TO GMAIL WITH GIVEN CREDENTIALS"
    end
  end

  def connected?
    @gmail.logged_in?    
  end

  def logout
    @gmail.logout
  end

  def last_inbox_email
    @gmail.inbox.mails.last
  end

  def last_inbox_unread_email
    @gmail.inbox.find(:unread).last
  end	

  def last_email_from_label(label_name)
    @gmail.label(label_name).emails.last
  end

  def last_email_from(from)
    @gmail.inbox.find(:from => from).last
  end

  def mark_as_unread mail
    mail.unread!
  end

  def mark_as_read mail
    mail.read!
  end

  def mark_as_starred mail
    mail.star!
  end

  def mark_as_unstarred mail
    mail.unstar!
  end

  def download_attachment mail
    if !mail.message.attachments.empty?
      mail.message.save_attachments_to(@folder)
    end
  end

  def delete_all_emails_with_label(label)
    @gmail.emails(:label => label).each do |email|
      email.delete!
    end
  end

  def emails_with_subject(subject)
    @gmail.emails(:subject => label)
  end

  def send_email(email_to,email_subject,email_body)
    email = @gmail.compose do
      to email_to
      subject email_subject
      body email_body
    end
    email.deliver!
  end

end