akkoma/lib/pleroma/web/pleroma_api/controllers/chat_controller.ex
2020-05-06 16:12:36 +02:00

121 lines
3.5 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.PleromaAPI.ChatController do
use Pleroma.Web, :controller
alias Pleroma.Chat
alias Pleroma.Object
alias Pleroma.Pagination
alias Pleroma.Plugs.OAuthScopesPlug
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Web.CommonAPI
alias Pleroma.Web.PleromaAPI.ChatMessageView
alias Pleroma.Web.PleromaAPI.ChatView
import Pleroma.Web.ActivityPub.ObjectValidator, only: [stringify_keys: 1]
import Ecto.Query
# TODO
# - Error handling
plug(
OAuthScopesPlug,
%{scopes: ["write:statuses"]} when action in [:post_chat_message, :create, :mark_as_read]
)
plug(
OAuthScopesPlug,
%{scopes: ["read:statuses"]} when action in [:messages, :index]
)
plug(OpenApiSpex.Plug.CastAndValidate, render_error: Pleroma.Web.ApiSpec.RenderError)
defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.ChatOperation
def post_chat_message(
%{body_params: %{content: content} = params, assigns: %{user: %{id: user_id} = user}} =
conn,
%{
id: id
}
) do
with %Chat{} = chat <- Repo.get_by(Chat, id: id, user_id: user_id),
%User{} = recipient <- User.get_cached_by_ap_id(chat.recipient),
{:ok, activity} <-
CommonAPI.post_chat_message(user, recipient, content, media_id: params[:media_id]),
message <- Object.normalize(activity) do
conn
|> put_view(ChatMessageView)
|> render("show.json", for: user, object: message, chat: chat)
end
end
def mark_as_read(%{assigns: %{user: %{id: user_id}}} = conn, %{id: id}) do
with %Chat{} = chat <- Repo.get_by(Chat, id: id, user_id: user_id),
{:ok, chat} <- Chat.mark_as_read(chat) do
conn
|> put_view(ChatView)
|> render("show.json", chat: chat)
end
end
def messages(%{assigns: %{user: %{id: user_id} = user}} = conn, %{id: id} = params) do
with %Chat{} = chat <- Repo.get_by(Chat, id: id, user_id: user_id) do
messages =
from(o in Object,
where: fragment("?->>'type' = ?", o.data, "ChatMessage"),
where:
fragment(
"""
(?->>'actor' = ? and ?->'to' = ?)
OR (?->>'actor' = ? and ?->'to' = ?)
""",
o.data,
^user.ap_id,
o.data,
^[chat.recipient],
o.data,
^chat.recipient,
o.data,
^[user.ap_id]
)
)
|> Pagination.fetch_paginated(params |> stringify_keys())
conn
|> put_view(ChatMessageView)
|> render("index.json", for: user, objects: messages, chat: chat)
else
_ ->
conn
|> put_status(:not_found)
|> json(%{error: "not found"})
end
end
def index(%{assigns: %{user: %{id: user_id}}} = conn, params) do
chats =
from(c in Chat,
where: c.user_id == ^user_id,
order_by: [desc: c.updated_at]
)
|> Pagination.fetch_paginated(params |> stringify_keys)
conn
|> put_view(ChatView)
|> render("index.json", chats: chats)
end
def create(%{assigns: %{user: user}} = conn, params) do
with %User{ap_id: recipient} <- User.get_by_id(params[:id]),
{:ok, %Chat{} = chat} <- Chat.get_or_create(user.id, recipient) do
conn
|> put_view(ChatView)
|> render("show.json", chat: chat)
end
end
end