akkoma/lib/pleroma/web/pleroma_api/controllers/emoji_reaction_controller.ex
floatingghost 1b826eea54
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Allow reacting with remote emoji when they exist on the post (#200)
Co-authored-by: FloatingGhost <hannah@coffee-and-dreams.uk>
Reviewed-on: #200
2022-09-04 23:31:41 +00:00

105 lines
3.3 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.PleromaAPI.EmojiReactionController do
use Pleroma.Web, :controller
alias Pleroma.Activity
alias Pleroma.Object
alias Pleroma.User
alias Pleroma.Web.CommonAPI
alias Pleroma.Web.MastodonAPI.StatusView
alias Pleroma.Web.Plugs.OAuthScopesPlug
plug(Pleroma.Web.ApiSpec.CastAndValidate)
plug(OAuthScopesPlug, %{scopes: ["write:statuses"]} when action in [:create, :delete])
plug(
OAuthScopesPlug,
%{scopes: ["read:statuses"], fallback: :proceed_unauthenticated}
when action == :index
)
defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.EmojiReactionOperation
action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
def index(%{assigns: %{user: user}} = conn, %{id: activity_id} = params) do
with true <- Pleroma.Config.get([:instance, :show_reactions]),
%Activity{} = activity <- Activity.get_by_id_with_object(activity_id),
%Object{data: %{"reactions" => reactions}} when is_list(reactions) <-
Object.normalize(activity, fetch: false) do
reactions =
reactions
|> filter(params)
|> filter_allowed_users(user, Map.get(params, :with_muted, false))
render(conn, "index.json", emoji_reactions: reactions, user: user)
else
_e -> json(conn, [])
end
end
def filter_allowed_users(reactions, user, with_muted) do
exclude_ap_ids =
if is_nil(user) do
[]
else
User.cached_blocked_users_ap_ids(user) ++
if not with_muted, do: User.cached_muted_users_ap_ids(user), else: []
end
filter_emoji = fn emoji, users, url ->
case Enum.reject(users, &(&1 in exclude_ap_ids)) do
[] -> nil
users -> {emoji, users, url}
end
end
reactions
|> Stream.map(fn
[emoji, users, url] when is_list(users) -> filter_emoji.(emoji, users, url)
{emoji, users, url} when is_list(users) -> filter_emoji.(emoji, users, url)
{emoji, users} when is_list(users) -> filter_emoji.(emoji, users, nil)
_ -> nil
end)
|> Stream.reject(&is_nil/1)
end
defp filter(reactions, %{emoji: emoji}) when is_binary(emoji) do
Enum.filter(reactions, fn [e, _, _] -> e == emoji end)
end
defp filter(reactions, _), do: reactions
def create(%{assigns: %{user: user}} = conn, %{id: activity_id, emoji: emoji}) do
emoji =
emoji
|> Pleroma.Emoji.fully_qualify_emoji()
|> Pleroma.Emoji.maybe_quote()
with {:ok, _activity} <- CommonAPI.react_with_emoji(activity_id, user, emoji) do
activity = Activity.get_by_id(activity_id)
conn
|> put_view(StatusView)
|> render("show.json", activity: activity, for: user, as: :activity)
end
end
def delete(%{assigns: %{user: user}} = conn, %{id: activity_id, emoji: emoji}) do
emoji =
emoji
|> Pleroma.Emoji.fully_qualify_emoji()
|> Pleroma.Emoji.maybe_quote()
with {:ok, _activity} <- CommonAPI.unreact_with_emoji(activity_id, user, emoji) do
activity = Activity.get_by_id(activity_id)
conn
|> put_view(StatusView)
|> render("show.json", activity: activity, for: user, as: :activity)
end
end
end