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Robust user authentication solution

Security advisory: This version has known vulnerabilities. View advisories
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pow lib pow extension ecto schema base.ex
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lib/pow/extension/ecto/schema/base.ex 

defmodule Pow.Extension.Ecto.Schema.Base do

  @moduledoc """

  Used for extensions to extend user schemas.



  ## Usage



      defmodule MyPowExtension.Ecto.Schema do

        use Pow.Extension.Ecto.Schema.Base



        def attrs(_config) do

          [{:custom_field, :string}]

        end



        def changeset(changeset, _config) do

          changeset

          |> Ecto.Changeset.validate_required([:custom_field])

        end

      end

  """

  alias Ecto.Changeset

  alias Pow.Config



  @callback validate!(Config.t(), atom()) :: :ok | no_return

  @callback attrs(Config.t()) :: [tuple()]

  @callback indexes(Config.t()) :: [tuple()]

  @callback changeset(Changeset.t(), map(), Config.t()) :: Changeset.t()



  defmacro __using__(_opts) do

    quote do

      @behaviour unquote(__MODULE__)



      def validate!(_config, _module), do: :ok

      def attrs(_config), do: []

      def changeset(changeset, _attrs, _config), do: changeset

      def indexes(_config), do: []



      defoverridable unquote(__MODULE__)

    end

  end

end