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helper functions for scaning bar and qr codes

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itsfound_barcode lib barcode_scanner.ex
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lib/barcode_scanner.ex

defmodule ItsfoundBarcode.BarcodeScanner do
@moduledoc """
functions to handle the actual barcode scanning
"""
def encode(string_to_encode) do
string_to_encode
|> Barlix.Code128.encode!()
end
def encode_to_png(string_to_encode, folder) do
string_to_encode
|> encode()
|> Barlix.PNG.print(file: "#{folder}/barcode-#{string_to_encode}.png")
end
def encode_to_base64(string_to_encode) do
binary =
string_to_encode
|> encode()
{:ok, iodata} =
binary
|> Barlix.PNG.print()
iodata
|> IO.iodata_to_binary()
|> Base.encode64()
end
end