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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 event_chain page_manifest load_page_manifest.ex
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lib/perspective/event_chain/page_manifest/load_page_manifest.ex 

defmodule Perspective.EventChain.LoadPageManifest do

  def load_manifest do

    case Perspective.LoadLocalFile.load(file_path()) do

      {:error, %Perspective.LocalFileNotFound{}} -> create_manifest()

      data -> data

    end

    |> Perspective.Deserialize.deserialize()

  end



  defp file_path do

    Perspective.StorageConfig.path("event-chain-manifest.json")

  end



  defp create_manifest do

    Perspective.EventChain.SavePageManifest.run(Perspective.EventChain.PageManifest.State.new())

    Perspective.LoadLocalFile.load(file_path())

  end

end