defmodule DediboxPrices.Entities.Offers do
  @moduledoc """
  The module generate new DediboxPrices.Offer that can be saved
  """
  alias DediboxPrices.Entities.Offer
  use EctoCrux, module: Offer

  def create_all_entities(offers) do
    offers
    |> Enum.map(fn offer ->
      offer
      |> Map.from_struct()
      |> create()
    end)
    |> Enum.filter(fn value -> elem(value, 0) == :ok end)
    |> Enum.map(fn value -> elem(value, 1) end)
  end

  import Ecto.Query, only: [from: 2]
  def most_recents do
    # TODO understand how to do this properly, it looks like a dirty hack
    repo = Ecto.Repo.all_running() |> Enum.at(0)
    (from offer in Offer, order_by: [desc: offer.inserted_at], distinct: :name) |> repo.all
  end
end