def signin = {
        def errors = []
        if (params.email && params.password)
        {
            def user = User.findByEmail(params.email)
            if (user)
            {
                if (user.password != params.password.encodeAsMD5())
                {
                    errors.add("Incorrect password.")
                }
            }
            else
            {
                errors.add("No user matched.")
            }
        }
        else
        {
            errors.add("Please enter your e-mail and password.")
        }

        if (errors.size() == 0)
        {
            println user
            redirect("/")
        }
        else
        {
            render(view:'login', model:[errors:errors])
        }
    }