fix unhandled exception

.babelrc

@@ -1,6 +0,0 @@
-{
-    "presets": [
-        "@babel/preset-env",
-        "@babel/preset-react"
-    ]
-}

dist/src/controllers/messages.js

@@ -257,6 +257,7 @@ exports.readMessages = (req, res) => __awaiter(void 0, void 0, void 0, function*
         }
     });
     const chat = yield models_1.models.Chat.findOne({ where: { id: chat_id } });
+    if (chat) {
         yield chat.update({ seen: true });
         res_1.success(res, {});
         hub_1.sendNotification(chat, '', 'badge');
@@ -264,6 +265,10 @@ exports.readMessages = (req, res) => __awaiter(void 0, void 0, void 0, function*
             type: 'chat_seen',
             response: jsonUtils.chatToJson(chat)
         });
+    }
+    else {
+        res_1.failure(res, 'no chat');
+    }
 });
 exports.clearMessages = (req, res) => {
     models_1.models.Message.destroy({ where: {}, truncate: true });

src/controllers/messages.ts

@@ -5,7 +5,7 @@ import { sendNotification } from '../hub'
 import * as socket from '../utils/socket'
 import * as jsonUtils from '../utils/json'
 import * as helpers from '../helpers'
-import { success } from '../utils/res'
+import { failure, success } from '../utils/res'
 import * as timers from '../utils/timers'
 import {sendConfirmation} from './confirmations'
 import * as network from '../network'
@@ -288,15 +288,17 @@ export const readMessages = async (req, res) => {
 		}
 	});
 	const chat = await models.Chat.findOne({ where: { id: chat_id } })
+	if(chat) {
 		await chat.update({ seen: true });
-
 		success(res, {})
-
 		sendNotification(chat, '', 'badge')
 		socket.sendJson({
 			type: 'chat_seen',
 			response: jsonUtils.chatToJson(chat)
 		})
+	} else {
+		failure(res, 'no chat')
+	}
 }
 
 export const clearMessages = (req, res) => {