before.ex

defmodule Auth do
  def login(email, password) do
    case UserRepo.find_by_email(email) do
      {:ok, user} ->
        password_hash = BCrypt.hash(password)
        cond do
	  user.hash != hash       -> :error
          user.active == false    -> :error
          user.deleted_at != nil  -> :error 
	  true ->
	    UserRepo.update_last_login_date(user, DateTime.utc_now())
	    {:ok, user}
	end
      _ -> :error
    end
  end
end