+ action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
+
+ plug(
+ OAuthScopesPlug,
+ %{scopes: ["write:chats"]}
+ when action in [
+ :post_chat_message,
+ :create,
+ :mark_as_read,
+ :mark_message_as_read,
+ :delete_message
+ ]
+ )
+
+ plug(
+ OAuthScopesPlug,
+ %{scopes: ["read:chats"]} when action in [:messages, :index, :show]
+ )
+
+ plug(OpenApiSpex.Plug.CastAndValidate, render_error: Pleroma.Web.ApiSpec.RenderError)
+
+ defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.ChatOperation
+
+ def delete_message(%{assigns: %{user: %{id: user_id} = user}} = conn, %{
+ message_id: message_id,
+ id: chat_id
+ }) do
+ with %MessageReference{} = cm_ref <-
+ MessageReference.get_by_id(message_id),
+ ^chat_id <- to_string(cm_ref.chat_id),
+ %Chat{user_id: ^user_id} <- Chat.get_by_id(chat_id),
+ {:ok, _} <- remove_or_delete(cm_ref, user) do
+ conn
+ |> put_view(MessageReferenceView)
+ |> render("show.json", chat_message_reference: cm_ref)
+ else
+ _e ->
+ {:error, :could_not_delete}
+ end
+ end
+
+ defp remove_or_delete(
+ %{object: %{data: %{"actor" => actor, "id" => id}}},
+ %{ap_id: actor} = user
+ ) do
+ with %Activity{} = activity <- Activity.get_create_by_object_ap_id(id) do
+ CommonAPI.delete(activity.id, user)
+ end
+ end
+
+ defp remove_or_delete(cm_ref, _), do: MessageReference.delete(cm_ref)
+
+ def post_chat_message(
+ %{body_params: params, assigns: %{user: user}} = conn,
+ %{id: id}
+ ) do
+ with {:ok, chat} <- Chat.get_by_user_and_id(user, id),
+ %User{} = recipient <- User.get_cached_by_ap_id(chat.recipient),
+ {:ok, activity} <-
+ CommonAPI.post_chat_message(user, recipient, params[:content],
+ media_id: params[:media_id]
+ ),
+ message <- Object.normalize(activity, false),
+ cm_ref <- MessageReference.for_chat_and_object(chat, message) do
+ conn
+ |> put_view(MessageReferenceView)
+ |> render("show.json", chat_message_reference: cm_ref)
+ else
+ {:reject, message} ->
+ conn
+ |> put_status(:unprocessable_entity)
+ |> json(%{error: message})
+
+ {:error, message} ->
+ conn
+ |> put_status(:bad_request)
+ |> json(%{error: message})
+ end
+ end
+
+ def mark_message_as_read(
+ %{assigns: %{user: %{id: user_id}}} = conn,
+ %{id: chat_id, message_id: message_id}
+ ) do
+ with %MessageReference{} = cm_ref <- MessageReference.get_by_id(message_id),
+ ^chat_id <- to_string(cm_ref.chat_id),
+ %Chat{user_id: ^user_id} <- Chat.get_by_id(chat_id),
+ {:ok, cm_ref} <- MessageReference.mark_as_read(cm_ref) do
+ conn
+ |> put_view(MessageReferenceView)
+ |> render("show.json", chat_message_reference: cm_ref)
+ end
+ end
+
+ def mark_as_read(
+ %{body_params: %{last_read_id: last_read_id}, assigns: %{user: user}} = conn,
+ %{id: id}
+ ) do
+ with {:ok, chat} <- Chat.get_by_user_and_id(user, id),
+ {_n, _} <- MessageReference.set_all_seen_for_chat(chat, last_read_id) do
+ conn
+ |> put_view(ChatView)
+ |> render("show.json", chat: chat)
+ end
+ end
+
+ def messages(%{assigns: %{user: user}} = conn, %{id: id} = params) do
+ with {:ok, chat} <- Chat.get_by_user_and_id(user, id) do
+ chat_message_refs =
+ chat
+ |> MessageReference.for_chat_query()
+ |> Pagination.fetch_paginated(params)
+
+ conn
+ |> add_link_headers(chat_message_refs)
+ |> put_view(MessageReferenceView)
+ |> render("index.json", chat_message_references: chat_message_refs)
+ end
+ end
+
+ def index(%{assigns: %{user: %{id: user_id} = user}} = conn, _params) do
+ blocked_ap_ids = User.blocked_users_ap_ids(user)
+