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   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.Preload.Providers.Timelines do
   6   alias Pleroma.Web.ActivityPub.ActivityPub
   7   alias Pleroma.Web.MastodonAPI.StatusView
   8   alias Pleroma.Web.Preload.Providers.Provider
   9
  10   @behaviour Provider
  11   @public_url :"/api/v1/timelines/public"
  12
  13   @impl Provider
  14   def generate_terms(params) do
  15     build_public_tag(%{}, params)
  16   end
  17
  18   def build_public_tag(acc, params) do
  19     if Pleroma.Config.get([:restrict_unauthenticated, :timelines, :federated], true) do
  20       acc
  21     else
  22       Map.put(acc, @public_url, public_timeline(params))
  23     end
  24   end
  25
  26   defp public_timeline(%{"path" => ["main", "all"]}), do: get_public_timeline(false)
  27
  28   defp public_timeline(_params), do: get_public_timeline(true)
  29
  30   defp get_public_timeline(local_only) do
  31     activities =
  32       ActivityPub.fetch_public_activities(%{
  33         type: ["Create"],
  34         local_only: local_only
  35       })
  36
  37     StatusView.render("index.json", activities: activities, for: nil, as: :activity)
  38   end
  39 end