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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(%{assigns: %{user: user}} = conn, %{"id" => participation_id}) do
  17     with %Participation{} = participation <- Participation.get(participation_id),
  18          true <- user.id == participation.user_id do
  19       conn
  20       |> put_view(ConversationView)
  21       |> render("participation.json", %{participation: participation, for: user})
  22     end
  23   end
  24
  25   def conversation_statuses(
  26         %{assigns: %{user: user}} = conn,
  27         %{"id" => participation_id} = params
  28       ) do
  29     params =
  30       params
  31       |> Map.put("blocking_user", user)
  32       |> Map.put("muting_user", user)
  33       |> Map.put("user", user)
  34
  35     participation =
  36       participation_id
  37       |> Participation.get()
  38       |> Repo.preload(:conversation)
  39
  40     if user.id == participation.user_id do
  41       activities =
  42         participation.conversation.ap_id
  43         |> ActivityPub.fetch_activities_for_context(params)
  44         |> Enum.reverse()
  45
  46       conn
  47       |> add_link_headers(
  48         :conversation_statuses,
  49         activities,
  50         participation_id,
  51         params,
  52         nil,
  53         &pleroma_api_url/4
  54       )
  55       |> put_view(StatusView)
  56       |> render("index.json", %{activities: activities, for: user, as: :activity})
  57     end
  58   end
  59
  60   def update_conversation(
  61         %{assigns: %{user: user}} = conn,
  62         %{"id" => participation_id, "recipients" => recipients}
  63       ) do
  64     participation =
  65       participation_id
  66       |> Participation.get()
  67
  68     with true <- user.id == participation.user_id,
  69          {:ok, participation} <- Participation.set_recipients(participation, recipients) do
  70       conn
  71       |> put_view(ConversationView)
  72       |> render("participation.json", %{participation: participation, for: user})
  73     end
  74   end
  75 end