improvement: better error messages in frontend

backend/src/controllers/ContactController.js

@@ -41,13 +41,23 @@ exports.store = async (req, res) => {
 	const io = getIO();
 	const newContact = req.body;
 
-	const result = await wbot.isRegisteredUser(`${newContact.number}@c.us`);
+	let isValidNumber;
 
-	if (!result) {
+	try {
+		isValidNumber = await wbot.isRegisteredUser(`${newContact.number}@c.us`);
+	} catch (err) {
+		console.log("Could not check whatsapp contact. Is session details valid?");
+		return res.status(500).json({
+			error: "Could not check whatsapp contact. Check connection page.",
+		});
+	}
+
+	if (!isValidNumber) {
 		return res
 			.status(400)
 			.json({ error: "The suplied number is not a valid Whatsapp number" });
 	}
+
 	const profilePicUrl = await wbot.getProfilePicUrl(
 		`${newContact.number}@c.us`
 	);

backend/src/controllers/MessageController.js

@@ -125,51 +125,62 @@ exports.store = async (req, res, next) => {
 		],
 	});
 
-	if (media) {
-		const newMedia = MessageMedia.fromFilePath(req.file.path);
+	try {
+		if (media) {
+			const newMedia = MessageMedia.fromFilePath(req.file.path);
 
-		message.mediaUrl = req.file.filename;
-		if (newMedia.mimetype) {
-			message.mediaType = newMedia.mimetype.split("/")[0];
+			message.mediaUrl = req.file.filename;
+			if (newMedia.mimetype) {
+				message.mediaType = newMedia.mimetype.split("/")[0];
+			} else {
+				message.mediaType = "other";
+			}
+
+			sentMessage = await wbot.sendMessage(
+				`${ticket.contact.number}@c.us`,
+				newMedia
+			);
+
+			await ticket.update({ lastMessage: message.mediaUrl });
 		} else {
-			message.mediaType = "other";
+			sentMessage = await wbot.sendMessage(
+				`${ticket.contact.number}@c.us`,
+				message.body
+			);
+			await ticket.update({ lastMessage: message.body });
 		}
-
-		sentMessage = await wbot.sendMessage(
-			`${ticket.contact.number}@c.us`,
-			newMedia
+	} catch (err) {
+		console.log(
+			"Could not create whatsapp message. Is session details valid? "
 		);
-
-		await ticket.update({ lastMessage: message.mediaUrl });
-	} else {
-		sentMessage = await wbot.sendMessage(
-			`${ticket.contact.number}@c.us`,
-			message.body
-		);
-		await ticket.update({ lastMessage: message.body });
 	}
 
-	message.id = sentMessage.id.id;
+	if (sentMessage) {
+		message.id = sentMessage.id.id;
+		const newMessage = await ticket.createMessage(message);
 
-	const newMessage = await ticket.createMessage(message);
+		const serialziedMessage = {
+			...newMessage.dataValues,
+			mediaUrl: `${
+				message.mediaUrl
+					? `${process.env.BACKEND_URL}:${process.env.PROXY_PORT}/public/${message.mediaUrl}`
+					: ""
+			}`,
+		};
 
-	const serialziedMessage = {
-		...newMessage.dataValues,
-		mediaUrl: `${
-			message.mediaUrl
-				? `${process.env.BACKEND_URL}:${process.env.PROXY_PORT}/public/${message.mediaUrl}`
-				: ""
-		}`,
-	};
+		io.to(ticketId).to("notification").emit("appMessage", {
+			action: "create",
+			message: serialziedMessage,
+			ticket: ticket,
+			contact: ticket.contact,
+		});
 
-	io.to(ticketId).to("notification").emit("appMessage", {
-		action: "create",
-		message: serialziedMessage,
-		ticket: ticket,
-		contact: ticket.contact,
-	});
+		await setMessagesAsRead(ticket);
 
-	await setMessagesAsRead(ticket);
+		return res.json({ newMessage, ticket });
+	}
 
-	return res.json({ newMessage, ticket });
+	return res
+		.status(500)
+		.json({ error: "Cannot sent whatsapp message. Check connection page." });
 };

frontend/src/components/ContactModal/index.js

@@ -86,7 +86,8 @@ const ContactModal = ({ open, onClose, contactId }) => {
 				await api.post("/contacts", values);
 			}
 		} catch (err) {
-			alert(err);
+			alert(err.response.data.error);
+			console.log(err);
 		}
 		handleClose();
 	};

frontend/src/components/MessageInput/index.js

@@ -163,8 +163,8 @@ const MessageInput = () => {
 		try {
 			await api.post(`/messages/${ticketId}`, formData);
 		} catch (err) {
+			alert(err.response.data.error);
 			console.log(err);
-			alert(err);
 		}
 		setLoading(false);
 		setMedia(mediaInitialState);
@@ -182,7 +182,8 @@ const MessageInput = () => {
 		try {
 			await api.post(`/messages/${ticketId}`, message);
 		} catch (err) {
-			alert(err);
+			alert(err.response.data.error);
+			console.log(err);
 		}
 		setInputMessage("");
 		setShowEmoji(false);
@@ -217,20 +218,19 @@ const MessageInput = () => {
 				}
 				const formData = new FormData();
 				const filename = `${new Date().getTime()}.mp3`;
-				console.log(blob);
 				formData.append("media", blob, filename);
 				formData.append("body", filename);
 				formData.append("fromMe", true);
 				try {
 					await api.post(`/messages/${ticketId}`, formData);
 				} catch (err) {
+					alert(err.response.data.error);
 					console.log(err);
-					alert(err);
 				}
 				setRecording(false);
 				setLoading(false);
 			})
-			.catch(e => console.log(e));
+			.catch(err => console.log(err));
 	};
 
 	const handleCancelAudio = () => {

frontend/src/routes/Route.js

@@ -32,11 +32,7 @@ const RouteWrapper = ({ component: Component, isPrivate = false, ...rest }) => {
 	}
 
 	if (isAuth && !isPrivate) {
-		return (
-			<Redirect
-				to={{ pathname: "/dashboard", state: { from: rest.location } }}
-			/>
-		);
+		return <Redirect to={{ pathname: "/", state: { from: rest.location } }} />;
 	}
 
 	return <Route {...rest} component={Component} />;