import * as _Request from "request";
import uuidv1 = require("uuid/v1");
import { IncomingCallProcessor, IncomingCallProcessorConfig, IncomingCallHandler, call, resultInfo } from "botbuilder-calling-processor";
import express = require("express");
private callProcessor: IncomingCallProcessor;
@BotCallingWebhook("/api/calling")
public async onIncomingCall(req: express.Request, res: express.Response, next: express.NextFunction) {
log("/api/calling ping");
if (!this.callProcessor) {
const handler: IncomingCallHandler = {
onIncomingCall: async (resource: string, resourceData: call): Promise<string> => {
log("Incoming call");
return new Promise<string>(async (resolve, reject) => {
const token = await getAuthToken();
const clientContext = uuidv1();
_Request({
method: "POST",
uri: `https://graph.microsoft.com/beta${resource}/answer`,
headers: {
"content-type": "application/json",
"authorization": `Bearer ${token}`
},
body: JSON.stringify({
callbackUri: `https://${process.env.HOSTNAME}/api/calling`,
acceptedModalities: ["audio", "video"],
mediaConfig: {
"@odata.type": "#microsoft.graph.serviceHostedMediaConfig",
"preFetchMedia": [
{
uri: `https://${process.env.HOSTNAME}/assets/audio1.wav`,
resourceId: "1D6DE2D4-CD51-4309-8DAA-70768651088E"
}
]
}
})
}, async (error: any, response: any, body: any) => {
if (response.statusCode === 202) {
log(`Call answered!`);
resolve(clientContext);
} else {
reject(`Invalid response from Microsoft Graph: ${response.status}`);
}
});
});
},
onCallTerminated: (resource: string, result: resultInfo): Promise<void> => {
log("Call termindated");
return Promise.resolve();
}
};
this.callProcessor = new IncomingCallProcessor(handler);
}
this.callProcessor.process(req, res);
}
## License
Copyright (c) Wictor Wilén. All rights reserved.
Licensed under the MIT license.
