Overview

A chatbot for table order including payment and order board for restaurant staff.

Architecture

Getting started

• Add chatbot as friend by following QR code.

Required LIFF App

Environment variable	Size	URL
LIFF_LINE_PAY	compact	/liff/line_pay
LIFF_STRIPE	tall	/liff/stripe

Required Richmenu

Environment variable	Image	Configuration
RICHMENU_CONTROL_PANEL	control_panel.png	Bot Designer data

How to deploy

• Create LINE Messaging API Channel.

• Create Richmenu.

• Create LIFF applications.

• Create LINE Pay sandbox.

• (Optional) Create Stripe account.

• Create dialogflow agent.

• Create project for firestore.

• Clone this repository.

$ git clone https://github.com/nkjm/table-order.git

• Install dependencies.

cd table-order/
$ npm install

• Create .env file which configures following environment variables.

$ vi .env

• Deploy to cloud functions.

$ firebase deploy --only functions

• Start server. You can use any process manager.

$ npm start

Required environment variables

• ASK_PAYMENT_METHOD - "enable" to ask payment method. Otherwise, LINE Pay is selected by default.
• BOT_EXPRESS_ENV - "test" for local development. "production" for production.
• BOT_LANGUAGE - Set mother language of this chatbot. ex. "ja"
• DEBUG - For testing, "bot-express:*". For production, "bot-express:chat,bot-express:skill-status" is recommended.
• DEFAULT_SKILL - "robot_response"
• FIREBASE_API_KEY - Credential for firestore.
• FIREBASE_CLIENT_EMAIL - Credential for firestore.
• FIREBASE_PRIVATE_KEY - Credential for firestore.
• FIREBASE_PROJECT_ID - Credential for firestore.
• GOOGLE_CLIENT_EMAIL - Credential for dialogflow.
• GOOGLE_PRIVATE_KEY - Credential for dialogflow.
• GOOGLE_PROJECT_ID - Credential for dialogflow.
• LIFF_LINE_PAY - LIFF App Id.
• LIFF_STRIPE - LIFF App Id.
• LINE_BOT_CHANNEL_ID - Channel Id of Messaging API.
• LINE_BOT_CHANNEL_SECRET - Channel Secret of Messaging API.
• LINE_PAY - Whether to enable LINE Pay or not. Supported values are "enable" and "disable".
• LINE_PAY_CHANNEL_ID - Channel Id of Pay API.
• LINE_PAY_CHANNEL_SECRET - Channel Secret of Pay API.
• LINE_PAY_CONFIRM_URL - Confirm URL of Pay API.
• LINE_PAY_ENV - For testing, "sandbox". For production, "production".
• MEMORY_RETENTION - Secons to retain context.
• REDIS_URL - Redis URL.
• RICHMENU_CONTROL_PANEL - Default Richmenu Id.
• STRIPE_API_KEY - API key of stripe
• STRIPE_CHECKOUT_CALLBACK_CANCEL - Callback URL in case of checkout failure.
• STRIPE_CHECKOUT_CALLBACK_SUCCESS - Callback URL in case of checkout succeed.
• STRIPE_CHECKOUT_SIGNATURE_SECRET= Stripe credential for the webhook.
• STRIPE_SECRET_KEY - Private key of stripe.
• TZ - Timezone ex."Asia/Tokyo"

LICENSE

MIT

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Copyright 2019 Kazuki Nakajima