File size: 1,336 Bytes
aa2e6af | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | const { logger } = require('~/config');
//handle duplicates
const handleDuplicateKeyError = (err, res) => {
logger.error('Duplicate key error:', err.keyValue);
const field = `${JSON.stringify(Object.keys(err.keyValue))}`;
const code = 409;
res
.status(code)
.send({ messages: `An document with that ${field} already exists.`, fields: field });
};
//handle validation errors
const handleValidationError = (err, res) => {
logger.error('Validation error:', err.errors);
let errors = Object.values(err.errors).map((el) => el.message);
let fields = `${JSON.stringify(Object.values(err.errors).map((el) => el.path))}`;
let code = 400;
if (errors.length > 1) {
errors = errors.join(' ');
res.status(code).send({ messages: `${JSON.stringify(errors)}`, fields: fields });
} else {
res.status(code).send({ messages: `${JSON.stringify(errors)}`, fields: fields });
}
};
// eslint-disable-next-line no-unused-vars
module.exports = (err, req, res, next) => {
try {
if (err.name === 'ValidationError') {
return (err = handleValidationError(err, res));
}
if (err.code && err.code == 11000) {
return (err = handleDuplicateKeyError(err, res));
}
} catch (err) {
logger.error('ErrorController => error', err);
res.status(500).send('An unknown error occurred.');
}
};
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