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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.MastodonAPI.FilterController do
   6   use Pleroma.Web, :controller
   7
   8   alias Pleroma.Filter
   9   alias Pleroma.Web.Plugs.OAuthScopesPlug
  10
  11   @oauth_read_actions [:show, :index]
  12
  13   plug(Pleroma.Web.ApiSpec.CastAndValidate)
  14   plug(OAuthScopesPlug, %{scopes: ["read:filters"]} when action in @oauth_read_actions)
  15
  16   plug(
  17     OAuthScopesPlug,
  18     %{scopes: ["write:filters"]} when action not in @oauth_read_actions
  19   )
  20
  21   defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.FilterOperation
  22
  23   @doc "GET /api/v1/filters"
  24   def index(%{assigns: %{user: user}} = conn, _) do
  25     filters = Filter.get_filters(user)
  26
  27     render(conn, "index.json", filters: filters)
  28   end
  29
  30   @doc "POST /api/v1/filters"
  31   def create(%{assigns: %{user: user}, body_params: params} = conn, _) do
  32     query = %Filter{
  33       user_id: user.id,
  34       phrase: params.phrase,
  35       context: params.context,
  36       hide: params.irreversible,
  37       whole_word: params.whole_word
  38       # TODO: support `expires_in` parameter (as in Mastodon API)
  39     }
  40
  41     {:ok, response} = Filter.create(query)
  42
  43     render(conn, "show.json", filter: response)
  44   end
  45
  46   @doc "GET /api/v1/filters/:id"
  47   def show(%{assigns: %{user: user}} = conn, %{id: filter_id}) do
  48     filter = Filter.get(filter_id, user)
  49
  50     render(conn, "show.json", filter: filter)
  51   end
  52
  53   @doc "PUT /api/v1/filters/:id"
  54   def update(
  55         %{assigns: %{user: user}, body_params: params} = conn,
  56         %{id: filter_id}
  57       ) do
  58     params =
  59       params
  60       |> Map.delete(:irreversible)
  61       |> Map.put(:hide, params[:irreversible])
  62       |> Enum.reject(fn {_key, value} -> is_nil(value) end)
  63       |> Map.new()
  64
  65     # TODO: support `expires_in` parameter (as in Mastodon API)
  66
  67     with %Filter{} = filter <- Filter.get(filter_id, user),
  68          {:ok, %Filter{} = filter} <- Filter.update(filter, params) do
  69       render(conn, "show.json", filter: filter)
  70     end
  71   end
  72
  73   @doc "DELETE /api/v1/filters/:id"
  74   def delete(%{assigns: %{user: user}} = conn, %{id: filter_id}) do
  75     query = %Filter{
  76       user_id: user.id,
  77       filter_id: filter_id
  78     }
  79
  80     {:ok, _} = Filter.delete(query)
  81     json(conn, %{})
  82   end
  83 end