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# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.MastodonAPI.ListController do
use Pleroma.Web, :controller
alias Pleroma.User
alias Pleroma.Web.MastodonAPI.AccountView
alias Pleroma.Web.Plugs.OAuthScopesPlug
@oauth_read_actions [:index, :show, :list_accounts]
plug(Pleroma.Web.ApiSpec.CastAndValidate)
plug(:list_by_id_and_user when action not in [:index, :create])
plug(OAuthScopesPlug, %{scopes: ["read:lists"]} when action in @oauth_read_actions)
plug(OAuthScopesPlug, %{scopes: ["write:lists"]} when action not in @oauth_read_actions)
action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.ListOperation
# GET /api/v1/lists
def index(%{assigns: %{user: user}} = conn, opts) do
lists = Pleroma.List.for_user(user, opts)
render(conn, "index.json", lists: lists)
end
# POST /api/v1/lists
def create(%{assigns: %{user: user}, body_params: %{title: title}} = conn, _) do
with {:ok, %Pleroma.List{} = list} <- Pleroma.List.create(title, user) do
render(conn, "show.json", list: list)
end
end
# GET /api/v1/lists/:id
def show(%{assigns: %{list: list}} = conn, _) do
render(conn, "show.json", list: list)
end
# PUT /api/v1/lists/:id
def update(%{assigns: %{list: list}, body_params: %{title: title}} = conn, _) do
with {:ok, list} <- Pleroma.List.rename(list, title) do
render(conn, "show.json", list: list)
end
end
# DELETE /api/v1/lists/:id
def delete(%{assigns: %{list: list}} = conn, _) do
with {:ok, _list} <- Pleroma.List.delete(list) do
json(conn, %{})
end
end
# GET /api/v1/lists/:id/accounts
def list_accounts(%{assigns: %{user: user, list: list}} = conn, _) do
with {:ok, users} <- Pleroma.List.get_following(list) do
conn
|> put_view(AccountView)
|> render("index.json", for: user, users: users, as: :user)
end
end
# POST /api/v1/lists/:id/accounts
def add_to_list(%{assigns: %{list: list}, body_params: %{account_ids: account_ids}} = conn, _) do
Enum.each(account_ids, fn account_id ->
with %User{} = followed <- User.get_cached_by_id(account_id) do
Pleroma.List.follow(list, followed)
end
end)
json(conn, %{})
end
# DELETE /api/v1/lists/:id/accounts
def remove_from_list(
%{assigns: %{list: list}, params: %{account_ids: account_ids}} = conn,
_
) do
Enum.each(account_ids, fn account_id ->
with %User{} = followed <- User.get_cached_by_id(account_id) do
Pleroma.List.unfollow(list, followed)
end
end)
json(conn, %{})
end
def remove_from_list(%{body_params: params} = conn, _) do
remove_from_list(%{conn | params: params}, %{})
end
defp list_by_id_and_user(%{assigns: %{user: user}, params: %{id: id}} = conn, _) do
case Pleroma.List.get(id, user) do
%Pleroma.List{} = list -> assign(conn, :list, list)
nil -> conn |> render_error(:not_found, "List not found") |> halt()
end
end
end
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