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defmodule Ejabberd.Config.OptsFormatter do
@moduledoc """
Module for formatting options parsed into the format
ejabberd uses.
"""
alias Ejabberd.Config.EjabberdModule
@doc """
Takes a keyword list with keys corresponding to
the keys requested by the ejabberd config (ex: modules: mods)
and formats them to be correctly evaluated by ejabberd.
Look at how Config.get_ejabberd_opts/0 is constructed for
more informations.
"""
@spec format_opts_for_ejabberd([{atom(), any()}]) :: list()
def format_opts_for_ejabberd(opts) do
opts
|> format_attrs_for_ejabberd
end
defp format_attrs_for_ejabberd(opts) when is_list(opts),
do: (Enum.map opts, &format_attrs_for_ejabberd/1)
defp format_attrs_for_ejabberd({:listeners, mods}),
do: {:listen, format_listeners_for_ejabberd(mods)}
defp format_attrs_for_ejabberd({:modules, mods}),
do: {:modules, format_mods_for_ejabberd(mods)}
defp format_attrs_for_ejabberd({key, opts}) when is_atom(key),
do: {key, opts}
defp format_mods_for_ejabberd(mods) do
Enum.map mods, fn %EjabberdModule{module: mod, attrs: attrs} ->
{mod, attrs[:opts]}
end
end
defp format_listeners_for_ejabberd(mods) do
Enum.map mods, fn %EjabberdModule{module: mod, attrs: attrs} ->
Keyword.put(attrs[:opts], :module, mod)
end
end
end
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