defmodule Mv.Constants do
  @moduledoc """
  Module for defining constants and atoms.
  """

  @member_fields [
    :first_name,
    :last_name,
    :email,
    :paid,
    :phone_number,
    :join_date,
    :exit_date,
    :notes,
    :city,
    :street,
    :house_number,
    :postal_code
  ]

  @custom_field_prefix "custom_field_"

  def member_fields, do: @member_fields

  @doc """
  Returns the prefix used for custom field keys in field visibility maps.

  ## Examples

      iex> Mv.Constants.custom_field_prefix()
      "custom_field_"
  """
  def custom_field_prefix, do: @custom_field_prefix
end