git.squeep.com Git - akkoma/blob - lib/pleroma/web/feed/tag_controller.ex

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.Feed.TagController do
   6   use Pleroma.Web, :controller
   7
   8   alias Pleroma.Config
   9   alias Pleroma.Web.ActivityPub.ActivityPub
  10   alias Pleroma.Web.Feed.FeedView
  11
  12   def feed(conn, %{"tag" => raw_tag} = params) do
  13     {format, tag} = parse_tag(raw_tag)
  14
  15     activities =
  16       %{type: ["Create"], tag: tag}
  17       |> Pleroma.Maps.put_if_present(:max_id, params["max_id"])
  18       |> ActivityPub.fetch_public_activities()
  19
  20     conn
  21     |> put_resp_content_type("application/#{format}+xml")
  22     |> put_view(FeedView)
  23     |> render("tag.#{format}",
  24       activities: activities,
  25       tag: tag,
  26       feed_config: Config.get([:feed])
  27     )
  28   end
  29
  30   @spec parse_tag(binary() | any()) :: {format :: String.t(), tag :: String.t()}
  31   defp parse_tag(raw_tag) when is_binary(raw_tag) do
  32     case Enum.reverse(String.split(raw_tag, ".")) do
  33       [format | tag] when format in ["atom", "rss"] -> {format, Enum.join(tag, ".")}
  34       _ -> {"rss", raw_tag}
  35     end
  36   end
  37
  38   defp parse_tag(raw_tag), do: {"rss", raw_tag}
  39 end