PhoenixFacebookMessenger
Phoenix Facebook Messenger is a library that easy the creation of facebook messenger bots.
Installation
def deps do
[{:phoenix_facebook_messenger, "~> 0.2.0"}]
end
Requirements
- a Phoenix App with phoenix
1.1
and up
Usage
You need to have a working phoenix app to use phoenix_facebook_messenger
.
To create an echo back bot, do the following:
Create a new controller web/controller/test_controller.ex
defmodule TestController do
use FacebookMessenger.Phoenix.Controller
def message_received(msg) do
text = FacebookMessenger.Response.message_texts(msg) |> hd
sender = FacebookMessenger.Response.message_senders(msg) |> hd
FacebookMessenger.Sender.send(sender, text)
end
end
Add the required routes in web/router.ex
defmodule YourApp.Router do
use YourApp.Web, :router
# Add these two lines
use FacebookMessenger.Phoenix.Router
facebook_routes "/api/webhook", TestController
end
This defines a webhook endpoint at: http://your-app-url/api/webhook
Go to your config/config.exs
and add the required configurations
config :facebook_messenger,
facebook_page_token: "Your facebook page token",
challenge_verification_token: "the challenge verify token"
To get the facebook_page_token
and challenge_verification_token
follow the instructions here
For the webhook endpoint use http://your-app-url/api/webhook
Sample
A sample facebook chat echo bot can be found here.