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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(%{})
  16   end
  17
  18   def build_public_tag(acc) do
  19     if Pleroma.Config.get([:restrict_unauthenticated, :timelines, :federated], true) do
  20       acc
  21     else
  22       Map.put(acc, @public_url, public_timeline(nil))
  23     end
  24   end
  25
  26   defp public_timeline(user) do
  27     activities =
  28       create_timeline_params(user)
  29       |> Map.put("local_only", false)
  30       |> ActivityPub.fetch_public_activities()
  31
  32     StatusView.render("index.json", activities: activities, for: user, as: :activity)
  33   end
  34
  35   defp create_timeline_params(user) do
  36     %{}
  37     |> Map.put("type", ["Create", "Announce"])
  38     |> Map.put("blocking_user", user)
  39     |> Map.put("muting_user", user)
  40     |> Map.put("user", user)
  41   end
  42 end