Specs

send_web_push(
  message :: binary(),
  subscription :: map(),
  auth_token :: binary() | nil,
  ttl :: integer()
) :: {:ok, any()} | {:error, atom()}

Sends a web push notification with a payload through GCM.

Arguments

• message is a binary payload. It can be JSON encoded
• subscription is the subscription information received from the client. It should have the following form: %{keys: %{auth: AUTH, p256dh: P256DH}, endpoint: ENDPOINT}
• auth_token [Optional] is the GCM api key matching the gcm_sender_id from the client manifest.json. It is not necessary for Mozilla endpoints.
• ttl [Optional] is a non-negative integer Time To Live. It is the number of seconds that a message may be stored if the user is not immediately available. Mozilla Push Service only supports a maximum TTL of 5,184,000 seconds (about one month).

Return value

Returns the result of HTTPoison.post