wallet_passes

defmodule WalletPasses.Schema.GoogleCallback do
  @moduledoc "Audit log of Google Wallet save/delete callbacks for a pass."

  use Ecto.Schema
  import Ecto.Changeset

  schema "wallet_passes_google_callbacks" do
    belongs_to :google_pass, WalletPasses.Schema.GooglePass
    field :event_type, :string
    field :object_id, :string
    field :class_id, :string
    field :nonce, :string
    field :exp_time_millis, :integer
    field :received_at, :utc_datetime_usec
  end

  @required ~w(event_type object_id class_id nonce received_at)a
  @optional ~w(exp_time_millis)a

  def changeset(callback, attrs) do
    callback
    |> cast(attrs, @required ++ @optional)
    |> validate_required(@required)
    |> validate_inclusion(:event_type, ["save", "del"])
    |> unique_constraint([:google_pass_id, :nonce],
      name: :wallet_passes_google_callbacks_google_pass_id_nonce_index
    )
  end
end