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lib/processing/file_processing.ex
defmodule Uploadex.FileProcessing do
@moduledoc """
Process files in Base64
"""
@doc """
If it's in base64, decode it. Otherwise, do not try to process the file.
"""
@spec process_binary(String.t) :: {:ok, binary()} | :error | {:error, keyword()}
def process_binary(image_binary) do
case String.split(image_binary, ";base64,") do
[_metadata, base64] -> Base.decode64(base64)
_ -> {:ok, image_binary}
end
end
end