Teju's Facebook Messenger ChatBot

A personal assistant bot for Facebook Messenger.

Teju's first personal assistant chatbot for Facebook Messenger. Currently supports:

• Basic conversation with a default Dialogueflow agent
• The ability to remember flight details and notify the user for check-in

Software Architecture:

• Frontend: Facebook Messenger
• NLP: Dialogueflow
• Fulfillment: The node.js code in this repository

Table of Contents

• Prerequisites
• Install
• Usage
• API
• Maintainers
• Contributing
• License

Prerequisites

• Node.js and npm
• A postrgres database
• Dialogueflow account
• Facebook Developer account

Setup Postrgres

Setup the users table with the schema found in db/postgre_sql/requestTimes.js.

Export the connection string.

Setup Dialogueflow Agent

The root directly of this repository contains an export of the Dialogueflow agent: agent.zip. This must be directly imported into your Dialogueflow account to setup the agent with the correct intents. Manually change the fulfillment credentials.

Export the API token in order to send queries to the agent.

Setup Facebook Page

In the Facebook Developer portal, create a new Facebook page for the bot. Manually set the verification token.

Export the app secret and page access token.

Install

Install the local dependencies listed in package.json with:

npm install

Usage

Setup Environment Variables

Setup all environment variables as described in app.json.

Run

The agent can be run with the following command:

npm start

Deploy

This agent can be directly deployed to Heroku, no modifications required.

API

The API definitions can be found in the server directory.

Maintainers

@nareddyt

Contributing

PRs accepted.

Small note: If editing the README, please conform to the standard-readme specification.

License

GLP-3.0 © 2019 Tejasvi Nareddy