Packages

perspective

0.1.5
0.1.16 0.1.15 0.1.14 0.1.13 0.1.12 0.1.11 0.1.10 0.1.9 0.1.8 0.1.7 0.1.6 0.1.5 0.1.4 0.1.3 0.1.2 0.1.1 0.1.0 0.0.1 0.0.0

An event sourcing library based upon asynchronously generated perspectives

Current section

Files

Jump to
Readme
19 Versions
13 Dependencies
Dependants
Files
Activity
perspective lib perspective event_chain current_page load_current_page.ex
Raw

lib/perspective/event_chain/current_page/load_current_page.ex 

defmodule Perspective.EventChain.LoadCurrentPage do

  def run do

    Perspective.EventChain.PageManifest.current_page()

    |> Perspective.StorageConfig.path()

    |> Perspective.LoadLocalFile.load()

    |> case do

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

      data -> data

    end

    |> Perspective.Deserialize.deserialize()

  end



  defp save_and_load_new_page do

    path =

      Perspective.EventChain.PageManifest.current_page()

      |> Perspective.StorageConfig.path()



    Perspective.SaveLocalFile.save("[]", path)



    Perspective.LoadLocalFile.load(path)

  end

end