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SOA Simple Object Access Protocol

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soa lib utl.ex
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lib/utl.ex 

defmodule SEV.UTL do

  def sha256(string), do:

    (<<x::unsigned-big-integer-size(256)>> = :crypto.hash(:sha256, string);

     :erlang.list_to_binary(:string.uppercase(:lists.flatten(:io_lib.format('~64.16.0b', [x])))))



  def date([]), do: []

  def date({y, m, d}), do: :erlang.list_to_binary(:io_lib.format('~4..0w-~2..0w-~2..0w', [y, m, d]))

  def date(d), do: d



  def time(), do: iso8601(:calendar.local_time())



  def iso8601(:none), do: :none

  def iso8601({{y, m, d}, {h, min, s}}), do:

    :erlang.list_to_binary(:io_lib.format('~4..0w-~2..0w-~2..0wT~2..0w:~2..0w:~2..0wZ', [y, m, d, h, min, s]))

  def iso8601(_), do: ""



  def error(f, x), do: :logger.error(:io_lib.format('SEV ' ++ f, x))

  def warning(f, x), do: :logger.warning(:io_lib.format('SEV ' ++ f, x))

  def info(f, x), do: :logger.info(:io_lib.format('SEV ' ++ f, x))



end