defmodule Pow.Extension.Ecto.Schema.Base do
@moduledoc """
Used for extensions to extend user schemas.
The macro will add fallback functions to the module, that can be overridden.
## Usage
defmodule MyPowExtension.Ecto.Schema do
use Pow.Extension.Ecto.Schema.Base
@impl true
def attrs(_config) do
[{:custom_field, :string}]
end
@impl true
def changeset(changeset, _config) do
Ecto.Changeset.validate_required(changeset, [:custom_field])
end
end
"""
alias Ecto.Changeset
alias Pow.Config
@callback validate!(Config.t(), atom()) :: :ok
@callback attrs(Config.t()) :: [tuple()]
@callback assocs(Config.t()) :: [tuple()]
@callback indexes(Config.t()) :: [tuple()]
@callback changeset(Changeset.t(), map(), Config.t()) :: Changeset.t()
@macrocallback __using__(Config.t()) :: Macro.t()
@optional_callbacks __using__: 1
@doc false
defmacro __using__(_opts) do
quote do
@behaviour unquote(__MODULE__)
@doc false
def validate!(_config, _module), do: :ok
@doc false
def attrs(_config), do: []
@doc false
def assocs(_config), do: []
@doc false
def indexes(_config), do: []
@doc false
def changeset(changeset, _attrs, _config), do: changeset
defoverridable unquote(__MODULE__)
end
end
end