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ex_gram

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Telegram Bot API low level and framework

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ex_gram lib ex_gram bot_init setup_commands.ex
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lib/ex_gram/bot_init/setup_commands.ex 

defmodule ExGram.BotInit.SetupCommands do

  @moduledoc """

  A `ExGram.BotInit` hook that registers the bot's commands with Telegram at

  startup.



  This hook is automatically injected by the dispatcher when

  `setup_commands: true` is given to `use ExGram.Bot` or when starting the

  bot:



      {MyBot, [method: :polling, token: token, setup_commands: true]}



  It delegates to `ExGram.Bot.SetupCommands.setup/2`, which calls

  `setMyCommands` for each declared command scope/language combination.



  The hook expects a `bot_module` key in the hook opts, which the dispatcher

  injects automatically. It reads `bot_module.commands()` to get the full

  command definitions.

  """



  @behaviour ExGram.BotInit



  @impl ExGram.BotInit

  def on_bot_init(opts) do

    bot_module = Keyword.fetch!(opts, :bot_module)

    ExGram.Bot.SetupCommands.setup(bot_module.commands(), opts[:token])

    :ok

  end

end