+ 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 <- cm_ref.chat_id |> to_string(),
+ %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
+ cm_ref
+ |> MessageReference.delete()
+ end
+
+ def post_chat_message(
+ %{body_params: 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, 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)
+ 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 <- cm_ref.chat_id |> to_string(),
+ %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: %{id: user_id}}
+ } = conn,
+ %{id: id}
+ ) do
+ with %Chat{} = chat <- Repo.get_by(Chat, id: id, user_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: %{id: user_id}}} = conn, %{id: id} = params) do