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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.PleromaAPI.PleromaAPIController do
   6   use Pleroma.Web, :controller
   7
   8   import Pleroma.Web.ControllerHelper, only: [add_link_headers: 7]
   9
  10   alias Pleroma.Conversation.Participation
  11   alias Pleroma.Repo
  12   alias Pleroma.Web.ActivityPub.ActivityPub
  13   alias Pleroma.Web.MastodonAPI.ConversationView
  14   alias Pleroma.Web.MastodonAPI.StatusView
  15
  16   def conversation_statuses(
  17         %{assigns: %{user: user}} = conn,
  18         %{"id" => participation_id} = params
  19       ) do
  20     params =
  21       params
  22       |> Map.put("blocking_user", user)
  23       |> Map.put("muting_user", user)
  24       |> Map.put("user", user)
  25
  26     participation =
  27       participation_id
  28       |> Participation.get()
  29       |> Repo.preload(:conversation)
  30
  31     if user.id == participation.user_id do
  32       activities =
  33         participation.conversation.ap_id
  34         |> ActivityPub.fetch_activities_for_context(params)
  35         |> Enum.reverse()
  36
  37       conn
  38       |> add_link_headers(
  39         :conversation_statuses,
  40         activities,
  41         participation_id,
  42         params,
  43         nil,
  44         &pleroma_api_url/4
  45       )
  46       |> put_view(StatusView)
  47       |> render("index.json", %{activities: activities, for: user, as: :activity})
  48     end
  49   end
  50
  51   def update_conversation(
  52         %{assigns: %{user: user}} = conn,
  53         %{"id" => participation_id, "recipients" => recipients}
  54       ) do
  55     participation =
  56       participation_id
  57       |> Participation.get()
  58
  59     with true <- user.id == participation.user_id,
  60          {:ok, _} <- Participation.set_recipients(participation, recipients) do
  61       conn
  62       |> put_view(ConversationView)
  63       |> render("participation.json", %{participation: participation, user: user})
  64     end
  65   end
  66 end