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import { Request, Response, NextFunction } from "express";
import { AppError } from "../utils/apiErrors";
import { wrapError } from "../utils/responseWrapper";
import { ValidateError } from "tsoa";
export function errorHandler(
err: Error,
req: Request,
res: Response,
next: NextFunction
) {
if (err instanceof ValidateError) {
console.warn(`Validation error for ${req.path}:`, err.fields);
const messages = Object.entries(err.fields)
.map(([field, fieldError]) => {
return `${field}: ${fieldError.message}`;
})
.join(", ");
return res.status(400).json(
wrapError(
`Validation failed: ${messages}`,
400,
"VALIDATION_ERROR"
)
);
}
if (err instanceof AppError) {
return res.status(err.statusCode).json(
wrapError(err.message, err.statusCode, err.code)
);
}
console.error("Unexpected error:", err);
return res.status(500).json(
wrapError("Internal server error", 500, "INTERNAL_ERROR")
);
}
export function notFoundHandler(
req: Request,
res: Response,
next: NextFunction
) {
res.status(404).json(
wrapError(`Route ${req.url} not found`, 404, "NOT_FOUND")
);
} |