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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.MastodonAPI.FollowRequestController do
   6   use Pleroma.Web, :controller
   7
   8   alias Pleroma.User
   9   alias Pleroma.Web.CommonAPI
  10
  11   plug(:put_view, Pleroma.Web.MastodonAPI.AccountView)
  12   plug(:assign_follower when action != :index)
  13
  14   action_fallback(:errors)
  15
  16   @doc "GET /api/v1/follow_requests"
  17   def index(%{assigns: %{user: followed}} = conn, _params) do
  18     follow_requests = User.get_follow_requests(followed)
  19
  20     render(conn, "accounts.json", for: followed, users: follow_requests, as: :user)
  21   end
  22
  23   @doc "POST /api/v1/follow_requests/:id/authorize"
  24   def authorize(%{assigns: %{user: followed, follower: follower}} = conn, _params) do
  25     with {:ok, follower} <- CommonAPI.accept_follow_request(follower, followed) do
  26       render(conn, "relationship.json", user: followed, target: follower)
  27     end
  28   end
  29
  30   @doc "POST /api/v1/follow_requests/:id/reject"
  31   def reject(%{assigns: %{user: followed, follower: follower}} = conn, _params) do
  32     with {:ok, follower} <- CommonAPI.reject_follow_request(follower, followed) do
  33       render(conn, "relationship.json", user: followed, target: follower)
  34     end
  35   end
  36
  37   defp assign_follower(%{params: %{"id" => id}} = conn, _) do
  38     case User.get_cached_by_id(id) do
  39       %User{} = follower -> assign(conn, :follower, follower)
  40       nil -> Pleroma.Web.MastodonAPI.FallbackController.call(conn, {:error, :not_found}) |> halt()
  41     end
  42   end
  43
  44   defp errors(conn, {:error, message}) do
  45     conn
  46     |> put_status(:forbidden)
  47     |> json(%{error: message})
  48   end
  49 end