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| 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 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | 3x 3x 3x 2x 1x 1x 1x 1x 2x 1x 3x 3x 1x | import { MongoError } from 'mongodb';
import { NextFunction } from 'express';
import { UNPROCESSABLE_ENTITY } from 'http-status-codes';
import { Error, MongooseDocument, Schema } from 'mongoose';
import { ApiProblem, ApiProblemOptionsType } from './api-problem';
export type FormattedErrorType = {
field: string;
message: string;
};
type MongoErrorHandler = (
err: MongoError,
doc: MongooseDocument,
next: NextFunction,
) => void;
export function getMongooseErrorHandler(
options: ApiProblemOptionsType = {},
): MongoErrorHandler {
function validationErrorHandler(
err: MongoError,
doc: MongooseDocument,
next: NextFunction,
): void {
if (err.name !== 'ValidationError') {
return next(err);
}
const typedError: Error.ValidationError = err as any;
const formattedErrors: FormattedErrorType[] = [];
// For each of the mongo errors, format them
for (const error in typedError.errors) {
formattedErrors.push({
field: typedError.errors[error].path,
message: typedError.errors[error].message,
});
}
next(
new ApiProblem({
status: options.status || UNPROCESSABLE_ENTITY,
title: options.title || 'Validation Failed',
...options,
detail: formattedErrors,
}),
);
}
return validationErrorHandler;
}
export function MongooseProblemPlugin(
schema: Schema,
options: ApiProblemOptionsType = {},
) {
schema.post('save', getMongooseErrorHandler(options));
}
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