[NEW] Twilio MMS support for LiveChat integration (#7964)

* Added ability for MMS messaging to push through attachments

* Fixed issues for codacy https://www.codacy.com/app/RocketChat/Rocket-Chat/pullRequest?prid=875706

* Fixed more codacy issues

* Changes concerning feedback from dev

* Switch to camelcase
* Changed hasMedia (removed)
* use map instead of for loop for populating attachments

* Save map return on message attachments

packages/rocketchat-livechat/imports/server/rest/sms.js

@@ -46,6 +46,27 @@ RocketChat.API.v1.addRoute('livechat/sms-incoming/:service', {
 		sendMessage.message.msg = sms.body;
 		sendMessage.guest = visitor;
 
+		sendMessage.message.attachments = sms.media.map(curr => {
+			const attachment = {
+				message_link: curr.url
+			};
+
+			const contentType = curr.contentType;
+			switch (contentType.substr(0, contentType.indexOf('/'))) {
+				case 'image':
+					attachment.image_url = curr.url;
+					break;
+				case 'video':
+					attachment.video_url = curr.url;
+					break;
+				case 'audio':
+					attachment.audio_url = curr.url;
+					break;
+			}
+
+			return attachment;
+		});
+
 		try {
 			const message = SMSService.response.call(this, RocketChat.Livechat.sendMessage(sendMessage));
 

packages/rocketchat-sms/services/twilio.js

@@ -7,7 +7,9 @@ class Twilio {
 		this.authToken = RocketChat.settings.get('SMS_Twilio_authToken');
 	}
 	parse(data) {
-		return {
+		let numMedia = 0;
+
+		const returnData = {
 			from: data.From,
 			to: data.To,
 			body: data.Body,
@@ -23,6 +25,34 @@ class Twilio {
 				fromZip: data.FromZip
 			}
 		};
+
+		if (data.NumMedia) {
+			numMedia = parseInt(data.NumMedia, 10);
+		}
+
+		if (isNaN(numMedia)) {
+			console.error(`Error parsing NumMedia ${ data.NumMedia }`);
+			return returnData;
+		}
+
+		returnData.media = [];
+
+		for (let mediaIndex = 0; mediaIndex < numMedia; mediaIndex++) {
+			const media = {
+				'url': '',
+				'contentType': ''
+			};
+
+			const mediaUrl = data[`MediaUrl${ mediaIndex }`];
+			const contentType = data[`MediaContentType${ mediaIndex }`];
+
+			media.url = mediaUrl;
+			media.contentType = contentType;
+
+			returnData.media.push(media);
+		}
+
+		return returnData;
 	}
 	send(fromNumber, toNumber, message) {
 		const client = twilio(this.accountSid, this.authToken);