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Provides opportunity to use BootBot without creating a new express server. #126

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Provides opportunity to use BootBot without creating a new express server. #126

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49744a7
Add getRouter() function
dapagyi May 2, 2018
8ff4f10
Add documentation, using express.Router()
dapagyi May 2, 2018
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12 changes: 12 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -202,6 +202,18 @@ If you want to specify a custom endpoint name for your webhook, you can do it wi

Starts the express server on the specified port. Defaults port to 3000.

#### `.getRouter()`
Returns the express router, that BootBot uses. It can be [used](https://expressjs.com/en/guide/routing.html#express-router), when you can only use one port.


##### `.getRouter()` examples:

```javascript
app.use('/bootbot', bot.getRouter());

app.listen(3000, () => console.log('BootBot and Express are listening on port 3000!'));
```

#### `.close()`

Closes the express server (calls `.close()` on the server instance).
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19 changes: 15 additions & 4 deletions lib/BootBot.js
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Expand Up @@ -29,6 +29,7 @@ class BootBot extends EventEmitter {
this.appSecret = options.appSecret;
this.broadcastEchoes = options.broadcastEchoes || false;
this.app = express();
this.router = express.Router();
this.webhook = options.webhook || '/webhook';
this.webhook = this.webhook.charAt(0) !== '/' ? `/${this.webhook}` : this.webhook;
this.app.use(bodyParser.json({ verify: this._verifyRequestSignature.bind(this) }));
Expand All @@ -41,7 +42,7 @@ class BootBot extends EventEmitter {
* @param {Number} [port=3000]
*/
start(port) {
this._initWebhook();
this._initWebhook('app');
this.app.set('port', port || 3000);
this.server = this.app.listen(this.app.get('port'), () => {
const portNum = this.app.get('port');
Expand All @@ -50,6 +51,16 @@ class BootBot extends EventEmitter {
});
}

/**
* Returns the express router, that BootBot uses.
* It can be used, when you can only use one port.
*/
getRouter(){
this._initWebhook('router');
console.log('BootBot running on the same port as express');
return this.router;
}

/**
* Closes the express server (calls `.close()` on the server instance).
*/
Expand Down Expand Up @@ -597,8 +608,8 @@ class BootBot extends EventEmitter {
}


_initWebhook() {
this.app.get(this.webhook, (req, res) => {
_initWebhook(app='app') {
this[app].get(this.webhook, (req, res) => {
if (req.query['hub.mode'] === 'subscribe' && req.query['hub.verify_token'] === this.verifyToken) {
console.log('Validation Succeded.')
res.status(200).send(req.query['hub.challenge']);
Expand All @@ -608,7 +619,7 @@ class BootBot extends EventEmitter {
}
});

this.app.post(this.webhook, (req, res) => {
this[app].post(this.webhook, (req, res) => {
var data = req.body;
if (data.object !== 'page') {
return;
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