intercom-slack-notifcation.ex

defmodule AlphabotWeb.IntercomController do
  use AlphabotWeb, :controller

  def new(conn, %{"topic" => "conversation.user.created"} = params) do
    %{payload: params["data"]["item"]}
    |> send_notification

    json conn, %{}
  end
  def new(conn, _params), do: json conn, %{}
  
  def send_notification(state) do
    # [Insert lots of pattern matching and pulling information
    #  from the darkest depths of a JSON payload here]

    params = [
      {:channel, Alphabot.Channel.support},
      {:icon_url, @bot_image},
      {:username, "Intercom"},
      {:as_user, false},
      {:attachments, Poison.encode!([attachments])}
    ]

    SlackClient.api("chat.postMessage", params)
  end
end