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presence_ex

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Presence client in Elixir for new arch

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presence_ex lib presence_ex utils.ex
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lib/presence_ex/utils.ex 

defmodule PresenceEx.Utils do

  @moduledoc false



  alias PresenceEx.Utils.Murmur

  alias PresenceEx.Config



  def prefix(schema_id) when is_integer(schema_id) do

    "public_#{schema_id}"

  end



  def prefix(user_id) do

    "public_#{assign_partition_with_key(user_id)}"

  end



  def all_schema_ids do

    1..Config.schemas()

  end



  defp assign_partition_with_key(key) do

    key

    |> Murmur.umurmur2()

    |> rem(Config.schemas())

    |> Kernel.+(1)

  end

end