defmodule Charon.SessionStore.RedisStore.Config do
@moduledoc """
Config module for `Charon.SessionStore.RedisStore`.
"""
alias Charon.SessionStore.RedisStore
@enforce_keys []
defstruct key_prefix: "charon_",
get_signing_key: &RedisStore.default_signing_key/1
@type t :: %__MODULE__{
key_prefix: String.t(),
get_signing_key: (Charon.Config.t() -> binary())
}
@doc """
Build config struct from enumerable (useful for passing in application environment).
Raises for missing mandatory keys and sets defaults for optional keys.
"""
@spec from_enum(Enum.t()) :: t()
def from_enum(enum), do: struct!(__MODULE__, enum)
@doc """
Get the config for this module from the parent `Charon.Config` struct.
"""
@spec get_mod_config(Charon.Config.t()) :: t()
def get_mod_config(_charon_config = %{optional_modules: %{RedisStore => config}}), do: config
def get_mod_config(_), do: from_enum([])
end