description formatters

lib/pleroma/docs/markdown.ex

@@ -0,0 +1,67 @@
+defmodule Pleroma.Docs.Markdown do
+  @behaviour Pleroma.Docs.Formatter
+
+  def process(descriptions) do
+    config_path = "docs/config.md"
+    {:ok, file} = File.open(config_path, [:write])
+    IO.write(file, "# Generated configuration\r\n\r\n")
+    IO.write(file, "Date of generation: #{Date.utc_today()}\r\n\r\n")
+
+    IO.write(
+      file,
+      "This file describe the configuration, it is recommended to edit the relevant *.secret.exs file instead of the others founds in the ``config`` directory.
+If you run Pleroma with ``MIX_ENV=prod`` the file is ``prod.secret.exs``, otherwise it is ``dev.secret.exs``.\r\n\r\n"
+    )
+
+    for group <- descriptions do
+      if is_nil(group[:key]) do
+        IO.write(file, "## #{inspect(group[:group])}\r\n\r\n")
+      else
+        IO.write(file, "## #{inspect(group[:key])}\r\n\r\n")
+      end
+
+      IO.write(file, "Type: `#{group[:type]}`  \r\n")
+      IO.write(file, "#{group[:description]}  \r\n\r\n")
+
+      for child <- group[:children] do
+        print_child_header(file, child)
+
+        print_suggestions(file, child[:suggestions])
+
+        if child[:children] do
+          for subchild <- child[:children] do
+            print_child_header(file, subchild)
+
+            print_suggestions(file, subchild[:suggestions])
+          end
+        end
+      end
+
+      IO.write(file, "\r\n")
+    end
+
+    :ok = File.close(file)
+    {:ok, config_path}
+  end
+
+  defp print_suggestion(file, suggestion) when is_function(suggestion) do
+    IO.write(file, "    `#{inspect(suggestion.())}`\r\n")
+  end
+
+  defp print_suggestion(file, suggestion) do
+    IO.write(file, "    `#{inspect(suggestion)}`\r\n")
+  end
+
+  defp print_suggestions(file, suggestions) do
+    IO.write(file, "Suggestions:  \r\n")
+
+    for suggestion <- suggestions do
+      print_suggestion(file, suggestion)
+    end
+  end
+
+  defp print_child_header(file, child) do
+    IO.write(file, "* `#{inspect(child[:key])}`: #{child[:description]}  \r\n")
+    IO.write(file, "Type: `#{inspect(child[:type])}`  \r\n")
+  end
+end