import { eachSeries } from 'async'
import { NextFunction, Request, RequestHandler, Response } from 'express'
+import { retryTransactionWrapper } from '../helpers/database-utils'
+import { ValidationChain } from 'express-validator'
// Syntactic sugar to avoid try/catch in express controllers
// Thanks: https://medium.com/@Abazhenov/using-async-await-in-express-with-node-8-b8af872c0016
-export type RequestPromiseHandler = (req: Request, res: Response, next: NextFunction) => Promise<any>
+export type RequestPromiseHandler = ValidationChain | ((req: Request, res: Response, next: NextFunction) => Promise<any>)
function asyncMiddleware (fun: RequestPromiseHandler | RequestPromiseHandler[]) {
return (req: Request, res: Response, next: NextFunction) => {
}
}
+function asyncRetryTransactionMiddleware (fun: (req: Request, res: Response, next: NextFunction) => Promise<any>) {
+ return (req: Request, res: Response, next: NextFunction) => {
+ return Promise.resolve(
+ retryTransactionWrapper(fun, req, res, next)
+ ).catch(err => next(err))
+ }
+}
+
// ---------------------------------------------------------------------------
export {
- asyncMiddleware
+ asyncMiddleware,
+ asyncRetryTransactionMiddleware
}