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perspective

0.1.6
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An event sourcing library based upon asynchronously generated perspectives

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perspective lib perspective core authentication authentication_vault.ex
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lib/perspective/core/authentication/authentication_vault.ex 

defmodule Perspective.Core.AuthenticationVault do

  use Perspective.Reactor



  initial_state do

    %{}

  end



  update(%Perspective.Core.UserAdded{data: data}, state) do

    Map.put(state, data.username, data)

  end



  def credentials_for(username) do

    case data() |> Map.get(username, nil) do

      nil -> {:error, %Perspective.Authentication.UsernameNotFound{username: username}}

      password_hash -> {:ok, password_hash}

    end

  end

end