resume_builder/lib/cv_gen.ex

defmodule CvGen do
  @moduledoc """
  Documentation for `CvGen`.
  """
  @template_file "lib/templates/cv.html.heex"
  @data_file "priv/data/cv.json"
  @output_file "priv/output/cv.html"

  def generate do
    with raw_data <- File.read!(@data_file),
         {:ok, assigns} <-
           Jason.decode(raw_data, keys: &(&1 |> Macro.underscore() |> String.to_atom())),
         res <- CvGenView.cv(assigns) |> Phoenix.HTML.Safe.to_iodata() |> List.to_string(),
         do: File.write!(@output_file, res)
  end

  def paths(),
    do: %{
      template: @template_file,
      data: @data_file,
      output: @output_file
    }
end