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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Docs.Translator.Compiler do
+ @external_resource "config/description.exs"
+ @raw_config Pleroma.Config.Loader.read("config/description.exs")
+ @raw_descriptions @raw_config[:pleroma][:config_description]
+
+ defmacro __before_compile__(_env) do
+ strings =
+ __MODULE__.descriptions()
+ |> __MODULE__.extract_strings()
+
+ quote do
+ def placeholder do
+ unquote do
+ Enum.map(
+ strings,
+ fn {path, type, string} ->
+ ctxt = msgctxt_for(path, type)
+
+ quote do
+ Pleroma.Web.Gettext.dpgettext_noop(
+ "config_descriptions",
+ unquote(ctxt),
+ unquote(string)
+ )
+ end
+ end
+ )
+ end
+ end
+ end
+ end
+
+ def descriptions do
+ Pleroma.Web.ActivityPub.MRF.config_descriptions()
+ |> Enum.reduce(@raw_descriptions, fn description, acc -> [description | acc] end)
+ |> Pleroma.Docs.Generator.convert_to_strings()
+ end
+
+ def extract_strings(descriptions) do
+ descriptions
+ |> Enum.reduce(%{strings: [], path: []}, &process_item/2)
+ |> Map.get(:strings)
+ end
+
+ defp process_item(entity, acc) do
+ current_level =
+ acc
+ |> process_desc(entity)
+ |> process_label(entity)
+
+ process_children(entity, current_level)
+ end
+
+ defp process_desc(acc, %{description: desc} = item) do
+ %{
+ strings: [{acc.path ++ [key_for(item)], "description", desc} | acc.strings],
+ path: acc.path
+ }
+ end
+
+ defp process_desc(acc, _) do
+ acc
+ end
+
+ defp process_label(acc, %{label: label} = item) do
+ %{
+ strings: [{acc.path ++ [key_for(item)], "label", label} | acc.strings],
+ path: acc.path
+ }
+ end
+
+ defp process_label(acc, _) do
+ acc
+ end
+
+ defp process_children(%{children: children} = item, acc) do
+ current_level = Map.put(acc, :path, acc.path ++ [key_for(item)])
+
+ children
+ |> Enum.reduce(current_level, &process_item/2)
+ |> Map.put(:path, acc.path)
+ end
+
+ defp process_children(_, acc) do
+ acc
+ end
+
+ def msgctxt_for(path, type) do
+ "config #{type} at #{Enum.join(path, " > ")}"
+ end
+
+ defp convert_group({_, group}) do
+ group
+ end
+
+ defp convert_group(group) do
+ group
+ end
+
+ def key_for(%{group: group, key: key}) do
+ "#{convert_group(group)}-#{key}"
+ end
+
+ def key_for(%{group: group}) do
+ convert_group(group)
+ end
+
+ def key_for(%{key: key}) do
+ key
+ end
+
+ def key_for(_) do
+ nil
+ end
+end