Merge branch 'admin-config-description' into 'develop'

Admin config description

Closes #1178 and #1209

See merge request pleroma/pleroma!1611

lib/mix/tasks/pleroma/docs.ex

@@ -0,0 +1,42 @@
+defmodule Mix.Tasks.Pleroma.Docs do
+  use Mix.Task
+  import Mix.Pleroma
+
+  @shortdoc "Generates docs from descriptions.exs"
+  @moduledoc """
+  Generates docs from `descriptions.exs`.
+
+  Supports two formats: `markdown` and `json`.
+
+  ## Generate Markdown docs
+
+  `mix pleroma.docs`
+
+  ## Generate JSON docs
+
+  `mix pleroma.docs json`
+  """
+
+  def run(["json"]) do
+    do_run(Pleroma.Docs.JSON)
+  end
+
+  def run(_) do
+    do_run(Pleroma.Docs.Markdown)
+  end
+
+  defp do_run(implementation) do
+    start_pleroma()
+
+    with {descriptions, _paths} <- Mix.Config.eval!("config/description.exs"),
+         {:ok, file_path} <-
+           Pleroma.Docs.Generator.process(
+             implementation,
+             descriptions[:pleroma][:config_description]
+           ) do
+      type = if implementation == Pleroma.Docs.Markdown, do: "Markdown", else: "JSON"
+
+      Mix.shell().info([:green, "#{type} docs successfully generated to #{file_path}."])
+    end
+  end
+end