Standardization of error handling

Probably not the best way, but this should make the code more readable as a lot of it is just outputting error messages.
This allows for centralized error messages translation.
This commit is contained in:
Softion 2019-06-12 17:38:45 +02:00 committed by GitHub
parent a376dce0c1
commit 0db686d63c
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@ -12,29 +12,27 @@ let log = require('npmlog');
let router = new express.Router();
let mailHelpers = require('../lib/subscription-mail-helpers');
router.all('/*', (req, res, next) => {
if (!req.query.access_token) {
res.status(403);
const handleErrorResponse = (res, log, err, code = 500, message = false) => {
if (typeof err != 'undefined')
log.error('API', err);
res.status(code);
return res.json({
error: 'Missing access_token',
error: message || err.message || err,
data: []
});
}
router.all('/*', (req, res, next) => {
if (!req.query.access_token) {
return handleErrorResponse(res, log, false, 403, 'Missing access_token');
}
users.findByAccessToken(req.query.access_token, (err, user) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
if (!user) {
res.status(403);
return res.json({
error: 'Invalid or expired access_token',
data: []
});
return handleErrorResponse(res, log, false, 403, 'Invalid or expired access_token');
}
next();
});
@ -48,35 +46,17 @@ router.post('/subscribe/:listId', (req, res) => {
});
lists.getByCid(req.params.listId, (err, list) => {
if (err) {
log.error('API', err);
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, false, 403, 'Invalid or expired access_token');
}
if (!list) {
res.status(404);
return res.json({
error: 'Selected listId not found',
data: []
});
return handleErrorResponse(res, log, false, 404, 'Selected listId not found');
}
if (!input.EMAIL) {
res.status(400);
return res.json({
error: 'Missing EMAIL',
data: []
});
return handleErrorResponse(res, log, false, 400, 'Missing EMAIL');
}
tools.validateEmail(input.EMAIL, false, err => {
if (err) {
log.error('API', err);
res.status(400);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err, 400);
}
let subscription = {
@ -132,22 +112,12 @@ router.post('/subscribe/:listId', (req, res) => {
confirmations.addConfirmation(list.id, 'subscribe', req.ip, data, (err, confirmCid) => {
if (err) {
log.error('API', err);
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
mailHelpers.sendConfirmSubscription(list, input.EMAIL, confirmCid, subscription, (err) => {
if (err) {
log.error('API', err);
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
res.status(200);
@ -161,12 +131,7 @@ router.post('/subscribe/:listId', (req, res) => {
} else {
subscriptions.insert(list.id, meta, subscription, (err, response) => {
if (err) {
log.error('API', err);
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
res.status(200);
res.json({
@ -188,51 +153,26 @@ router.post('/unsubscribe/:listId', (req, res) => {
});
lists.getByCid(req.params.listId, (err, list) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
if (!list) {
res.status(404);
return res.json({
error: 'Selected listId not found',
data: []
});
return handleErrorResponse(res, log, false, 404, 'Selected listId not found');
}
if (!input.EMAIL) {
res.status(400);
return res.json({
error: 'Missing EMAIL',
data: []
});
return handleErrorResponse(res, log, false, 400, 'Missing EMAIL');
}
subscriptions.getByEmail(list.id, input.EMAIL, (err, subscription) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
if (!subscription) {
res.status(404);
return res.json({
error: 'Subscription with given email not found',
data: []
});
return handleErrorResponse(res, log, false, 404, 'Subscription with given email not found');
}
subscriptions.changeStatus(list.id, subscription.id, false, subscriptions.Status.UNSUBSCRIBED, (err, found) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
res.status(200);
res.json({
@ -253,55 +193,27 @@ router.post('/delete/:listId', (req, res) => {
});
lists.getByCid(req.params.listId, (err, list) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
if (!list) {
res.status(404);
return res.json({
error: 'Selected listId not found',
data: []
});
return handleErrorResponse(res, log, false, 404, 'Selected listId not found');
}
if (!input.EMAIL) {
res.status(400);
return res.json({
error: 'Missing EMAIL',
data: []
});
return handleErrorResponse(res, log, false, 400, 'Missing EMAIL');
}
subscriptions.getByEmail(list.id, input.EMAIL, (err, subscription) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
if (!subscription) {
res.status(404);
return res.json({
error: 'Subscription not found',
data: []
});
return handleErrorResponse(res, log, false, 404, 'Subscription not found');
}
subscriptions.delete(list.id, subscription.cid, (err, subscription) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
if (!subscription) {
res.status(404);
return res.json({
error: 'Subscription not found',
data: []
});
return handleErrorResponse(res, log, false, 404, 'Subscription not found');
}
res.status(200);
res.json({
@ -321,19 +233,11 @@ router.get('/subscriptions/:listId', (req, res) => {
lists.getByCid(req.params.listId, (err, list) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
subscriptions.list(list.id, start, limit, (err, rows, total) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
res.status(200);
res.json({
@ -351,11 +255,7 @@ router.get('/subscriptions/:listId', (req, res) => {
router.get('/lists', (req, res) => {
lists.quicklist((err, lists) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
res.status(200);
res.json({
@ -367,10 +267,7 @@ router.get('/lists', (req, res) => {
router.get('/list/:id', (req, res) => {
lists.get(req.params.id, (err, list) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
});
return handleErrorResponse(res, log, err);
}
res.status(200);
res.json({
@ -382,11 +279,7 @@ router.get('/list/:id', (req, res) => {
router.get('/lists/:email', (req, res) => {
lists.getListsWithEmail(req.params.email, (err, lists) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
res.status(200);
res.json({
@ -402,19 +295,10 @@ router.post('/field/:listId', (req, res) => {
});
lists.getByCid(req.params.listId, (err, list) => {
if (err) {
log.error('API', err);
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
if (!list) {
res.status(404);
return res.json({
error: 'Selected listId not found',
data: []
});
return handleErrorResponse(res, log, false, 404, 'Selected listId not found');
}
let field = {
@ -429,11 +313,7 @@ router.post('/field/:listId', (req, res) => {
fields.create(list.id, field, (err, id, tag) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
res.status(200);
res.json({
@ -452,19 +332,11 @@ router.post('/blacklist/add', (req, res) => {
input[(key || '').toString().trim().toUpperCase()] = (req.body[key] || '').toString().trim();
});
if (!(input.EMAIL) || (input.EMAIL === '')) {
res.status(500);
return res.json({
error: 'EMAIL argument are required',
data: []
});
return handleErrorResponse(res, log, err);
}
blacklist.add(input.EMAIL, (err) =>{
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
res.status(200);
res.json({
@ -479,19 +351,11 @@ router.post('/blacklist/delete', (req, res) => {
input[(key || '').toString().trim().toUpperCase()] = (req.body[key] || '').toString().trim();
});
if (!(input.EMAIL) || (input.EMAIL === '')) {
res.status(500);
return res.json({
error: 'EMAIL argument are required',
data: []
});
return handleErrorResponse(res, log, false, 500, 'EMAIL argument are required');
}
blacklist.delete(input.EMAIL, (err) =>{
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
res.status(200);
res.json({
@ -507,11 +371,7 @@ router.get('/blacklist/get', (req, res) => {
blacklist.get(start, limit, search, (err, data, total) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
res.status(200);
res.json({
@ -531,92 +391,47 @@ router.post('/changeemail/:listId', (req, res) => {
input[(key || '').toString().trim().toUpperCase()] = (req.body[key] || '').toString().trim();
});
if (!(input.EMAILOLD) || (input.EMAILOLD === '')) {
res.status(500);
return res.json({
error: 'EMAILOLD argument is required',
data: []
});
return handleErrorResponse(res, log, false, 500, 'EMAILOLD argument is required');
}
if (!(input.EMAILNEW) || (input.EMAILNEW === '')) {
res.status(500);
return res.json({
error: 'EMAILNEW argument is required',
data: []
});
return handleErrorResponse(res, log, false, 500, 'EMAILNEW argument is required');
}
lists.getByCid(req.params.listId, (err, list) => {
if (err) {
log.error('API', err);
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
if (!list) {
res.status(404);
return res.json({
error: 'Selected listId not found',
data: []
});
return handleErrorResponse(res, log, false, 404, 'Selected listId not found');
}
blacklist.isblacklisted(input.EMAILNEW, (err, blacklisted) =>{
blacklist.isblacklisted(input.EMAILNEW, (err, blacklisted) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
if (blacklisted) {
res.status(500);
return res.json({
error: 'New email is blacklisted',
data: []
});
return handleErrorResponse(res, log, false, 500, 'New email is blacklisted');
}
subscriptions.getByEmail(list.id, input.EMAILOLD, (err, subscription) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
if (!subscription) {
res.status(404);
return res.json({
error: 'Subscription with given old email not found',
data: []
});
return handleErrorResponse(res, log, false, 404, 'Subscription with given old email not found');
}
subscriptions.updateAddressCheck(list, subscription.cid, input.EMAILNEW, null, (err, old, valid) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
if (!valid) {
res.status(500);
return res.json({
error: 'New email not valid',
data: []
});
return handleErrorResponse(res, log, false, 500, 'New email not valid');
}
subscriptions.updateAddress(list.id, subscription.id, input.EMAILNEW, (err) => {
if (err) {
res.status(500);
return res.json({
error: err.message || err,
data: []
});
return handleErrorResponse(res, log, err);
}
res.status(200);
res.json({