Telegram Bot behaviour.

Example

defmodule HelloBot do
  use Telegram.Bot

  @impl Telegram.Bot
  def handle_update(
    %{"message" => %{"text" => "/hello", "chat" => %{"id" => chat_id, "username" => username}, "message_id" => message_id}},
    token
  ) do
    Telegram.Api.request(token, "sendMessage",
      chat_id: chat_id,
      reply_to_message_id: message_id,
      text: "Hello #{username}!"
    )
  end

  def handle_update(_update, _token) do
    # ignore unknown updates

    :ok
  end
end