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# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.User.WelcomeMessage do
alias Pleroma.Config
alias Pleroma.User
alias Pleroma.Web.CommonAPI
@spec enabled?() :: boolean()
def enabled?, do: Config.get([:welcome, :direct_message, :enabled], false)
@spec post_message(User.t()) :: {:ok, Pleroma.Activity.t() | nil}
def post_message(user) do
[:welcome, :direct_message, :sender_nickname]
|> Config.get(nil)
|> fetch_sender()
|> do_post(user, welcome_message())
end
defp do_post(%User{} = sender, %User{nickname: nickname}, message)
when is_binary(message) do
CommonAPI.post(
sender,
%{
visibility: "direct",
status: "@#{nickname}\n#{message}"
}
)
end
defp do_post(_sender, _recipient, _message), do: {:ok, nil}
defp fetch_sender(nickname) when is_binary(nickname) do
with %User{local: true} = user <- User.get_cached_by_nickname(nickname) do
user
else
_ -> nil
end
end
defp fetch_sender(_), do: nil
defp welcome_message do
Config.get([:welcome, :direct_message, :message], nil)
end
end
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