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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 file.ex
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lib/ex_gram/file.ex 

defmodule ExGram.File do

  @moduledoc """

  Helpers when dealing with telegram files

  """



  @base_url "https://api.telegram.org/file"



  @doc """

  Generate the full file URL ready to be downloaded, usage:



  First, you need to extract the File with ExGram.get_file(file_id)



  Then:



  ExGram.File.file_url(file)



  You can pass the usual `:bot` and `:token` params:



  ExGram.File.file_url(file, bot: :my_bot)

  ExGram.File.file_url(file, token: "MyBotToken")

  """

  @spec file_url(ExGram.Model.File.t(), keyword) :: String.t()

  def file_url(%ExGram.Model.File{file_path: path}, ops \\ []) do

    token = ExGram.Token.fetch(ops)

    create_url(token, path)

  end



  defp create_url(token, path) when is_binary(token) and is_binary(path),

    do: @base_url <> "/bot" <> token <> "/" <> path

end