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botly

Built with Grunt Build Status Test Coverage npm version Dependency Status devDependency Status npm downloads NPM

Simple Facebook Messenger Platform Bot API

Install

npm i botly --save

Example

const express = require("express");
const Botly = require("botly");
const botly = new Botly({
    accessToken: pageAccessToken, //page access token provided by facebook
    verifyToken: verificationToken, //needed when using express - the verification token you provided when defining the webhook in facebook
    webHookPath: yourWebHookPath, //defaults to "/",
    notificationType: Botly.CONST.REGULAR //already the default (optional)
});

botly.on("message", (senderId, message, data) => {
    let text = `echo: ${data.text}`;

    botly.sendText(senderId, text);
});

const app = express();
app.use("/webhook", botly.router());
app.listen(3000);

You can also clone the repository and run a complete bot example from the example folder.

API

send (recipientId, message[, callback])

botly.send(userId, {
    text: "Hi There!"
}, function (err, data) {
        //log it
});

sendText (recipientId, text[, callback])

botly.sendText(userId, "Hi There!", function (err, data) {
        //log it
});

sendAttachment (recipientId, type, payload[, callback])

botly.sendAttachment(userId, Botly.CONST.ATTACHMENT_TYPE.IMAGE,
    {
        url: "http://example.com/image.png"
    }, function (err, data) {
        //log it
});

sendImage (recipientId, imageURL[, callback])

botly.sendImage(userId, "http://example.com/image.png", function (err, data) {
        //log it
});

sendButtons (recipientId, text, buttons[, callback])

let buttons = [];
buttons.push(botly.createWebURLButton("Go to Askrround", "http://askrround.com"));
buttons.push(botly.createPostbackButton("Continue", "continue"));
botly.sendButtons(userId, "What do you want to do next?", buttons
    , function (err, data) {
        //log it
});

sendGeneric (recipientId, elements[, callback])

let buttons = [];
buttons.push(botly.createWebURLButton("Go to Askrround", "http://askrround.com"));
buttons.push(botly.createPostbackButton("Continue", "continue"));
let element = botly.createElement("What do you want to do next?",
    "http://example.com", /*itemURL*/
    "http://example.com/image.png", /*imageURL*/
"Choose now!", buttons);
botly.sendGeneric(sender, element, function (err, data) {
    console.log("send generic cb:", err, data);
});

sendReceipt (recipientId, payload[, callback])

let payload = {
    "recipient_name": "Stephane Crozatier",
    "order_number": "12345678902",
    "currency": "USD",
    "payment_method": "Visa 2345",
    "order_url": "http://petersapparel.parseapp.com/order?order_id=123456",
    "timestamp": "1428444852",
    "elements": [
        {
            "title": "Classic White T-Shirt",
            "subtitle": "100% Soft and Luxurious Cotton",
            "quantity": 2,
            "price": 50,
            "currency": "USD",
            "image_url": "http://petersapparel.parseapp.com/img/whiteshirt.png"
        },
        {
            "title": "Classic Gray T-Shirt",
            "subtitle": "100% Soft and Luxurious Cotton",
            "quantity": 1,
            "price": 25,
            "currency": "USD",
            "image_url": "http://petersapparel.parseapp.com/img/grayshirt.png"
        }
    ],
    "address": {
        "street_1": "1 Hacker Way",
        "street_2": "",
        "city": "Menlo Park",
        "postal_code": "94025",
        "state": "CA",
        "country": "US"
    },
    "summary": {
        "subtotal": 75.00,
        "shipping_cost": 4.95,
        "total_tax": 6.19,
        "total_cost": 56.14
    },
    "adjustments": [
        {
            "name": "New Customer Discount",
            "amount": 20
        },
        {
            "name": "$10 Off Coupon",
            "amount": 10
        }
    ]
};
botly.sendReceipt(sender, payload, function (err, data) {
    console.log("send generic cb:", err, data);
});

setWelcomeScreen (pageId, message[, callback])

botly.setWelcomeScreen("myPage", {
    text: "Welcome to my page!"
}, function (err, body) {
    //log it
});

getUserProfile (userId[, callback])

botly.getUserProfile(senduserIder, function (err, info) {
    //cache it
});

createWebURLButton (title, url)

createPostbackButton (title, payload)

createButtonTemplate (text, buttons)

Where buttons can be a single button or an array of buttons.

createGenericTemplate (elements)

Where elements can be a single element or an array of elements.

createElement (title, itemURL, imageURL, subtitle, buttons)

Where buttons can be a single button or an array of buttons.

handleMessage (req)

If you are not using express, you can use this function to parse the request from facebook in order to generate the proper events. req should have a body property.

Events

botly.on("message", (sender, message, data) => {
    /**
     * where data can be a text message or an attachment
     * data = {
     *   text: "text entered by user"
     * }
     * OR
     * data = {
     *   attachments: {
     *       image: ["imageURL1", "imageURL2"],
     *       video: ["videoURL"],
     *       audio: ["audioURL1"],
     *       location: [{coordinates}]
     *   }
     * }
     */
});

botly.on("postback", (sender, message, postback) => {
    /**
     * where postback is the postback payload
     */
});

botly.on("delivery", (sender, message, mids) => {
    /**
     * where mids is an array of mids
     */
});

botly.on("optin", (sender, message, optin) => {
    /**
     * where optin is the ref pass through param
     */
});

botly.on("error", (ex) => {
    /* handle exceptions */
});