tusker_push/lib/tusker_push/forwarder.ex

defmodule TuskerPush.Forwarder do
  alias TuskerPush.Apns
  alias TuskerPush.Registration

  require Logger

  @spec forward(Registration.t(), binary(), String.t(), String.t(), String.t() | nil) ::
          :ok | {:error, term()}
  def forward(%Registration{push_version: 1} = registration, body, salt, key, context) do
    payload = %{
      "aps" => %{
        "alert" => %{
          "loc-key" => "apns_enc"
        },
        "mutable-content" => 1
      },
      "data" => Base.encode64(body),
      "salt" => salt,
      "pk" => key,
      "v" => 1
    }

    payload =
      unless is_nil(context) do
        Map.put(payload, "ctx", context)
      else
        payload
      end

    Logger.debug("Sending #{inspect(payload)}")

    Apns.send(registration, payload)
  end
end