phoenix_token_auth

defmodule PhoenixTokenAuth.Util do
  import Plug.Conn
  import Phoenix.Controller
  import Ecto.Query, only: [from: 2]

  def user_model do
    Application.get_env(:phoenix_token_auth, :user_model)
  end

  def repo do
    Application.get_env(:phoenix_token_auth, :repo)
  end

  def crypto_provider do
    Application.get_env(:phoenix_token_auth, :crypto_provider, Comeonin.Bcrypt)
  end


  def send_error(conn, error, status \\ 422) do
    conn
    |> put_status(status)
    |> json %{errors: error}
  end

  def token_secret do
    Application.get_env(:phoenix_token_auth, :token_secret)
  end

  def find_user_by_email(email) do
    query = from u in user_model, where: u.email == ^email
    repo.one query
  end

  def registration_validator(changeset) do
    apply_registration_validator(Application.get_env(:phoenix_token_auth, :registration_validator),
                                 changeset)
  end
  defp apply_registration_validator(nil, changeset), do: changeset
  defp apply_registration_validator(validator, changeset) do
    validator.(changeset)
  end
end