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commanded

1.4.3
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Use Commanded to build your own Elixir applications following the CQRS/ES pattern.

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commanded lib commanded event upcast.ex
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lib/commanded/event/upcast.ex 

defmodule Commanded.Event.Upcast do

  @moduledoc false



  alias Commanded.Event.Upcaster

  alias Commanded.EventStore.RecordedEvent



  def upcast_event_stream(event_stream, opts \\ [])



  def upcast_event_stream(%Stream{} = event_stream, opts),

    do: Stream.map(event_stream, &upcast_event(&1, opts))



  def upcast_event_stream(event_stream, opts),

    do: Enum.map(event_stream, &upcast_event(&1, opts))



  def upcast_event(%RecordedEvent{} = event, opts) do

    %RecordedEvent{data: data} = event



    enriched_metadata = RecordedEvent.enrich_metadata(event, opts)



    %RecordedEvent{event | data: Upcaster.upcast(data, enriched_metadata)}

  end

end