2017-11-27 10:30:46 -06:00
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import { NextFunction, Request, RequestHandler, Response } from 'express'
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2019-07-24 08:48:47 -05:00
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import { ValidationChain } from 'express-validator'
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2023-07-31 07:34:36 -05:00
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import { ExpressPromiseHandler } from '@server/types/express-handler.js'
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import { retryTransactionWrapper } from '../helpers/database-utils.js'
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2017-10-25 04:55:06 -05:00
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2022-08-02 07:41:44 -05:00
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// Syntactic sugar to avoid try/catch in express controllers/middlewares
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2017-11-27 10:30:46 -06:00
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2021-02-03 02:33:05 -06:00
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export type RequestPromiseHandler = ValidationChain | ExpressPromiseHandler
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2017-11-27 10:30:46 -06:00
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function asyncMiddleware (fun: RequestPromiseHandler | RequestPromiseHandler[]) {
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2023-11-30 02:53:52 -06:00
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return async (req: Request, res: Response, next: NextFunction) => {
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if (Array.isArray(fun) !== true) {
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return Promise.resolve((fun as RequestHandler)(req, res, next))
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.catch(err => next(err))
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}
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try {
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2024-02-22 03:12:04 -06:00
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for (const f of fun) {
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2023-11-30 02:53:52 -06:00
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await new Promise<void>((resolve, reject) => {
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2022-08-02 07:41:44 -05:00
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return asyncMiddleware(f)(req, res, err => {
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if (err) return reject(err)
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return resolve()
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})
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})
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2023-11-30 02:53:52 -06:00
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}
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2017-11-27 07:44:51 -06:00
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2023-11-30 02:53:52 -06:00
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next()
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} catch (err) {
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next(err)
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}
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2017-10-25 04:55:06 -05:00
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}
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}
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2019-07-24 08:48:47 -05:00
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function asyncRetryTransactionMiddleware (fun: (req: Request, res: Response, next: NextFunction) => Promise<any>) {
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2018-06-13 07:27:40 -05:00
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return (req: Request, res: Response, next: NextFunction) => {
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return Promise.resolve(
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retryTransactionWrapper(fun, req, res, next)
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).catch(err => next(err))
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}
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}
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2017-10-25 04:55:06 -05:00
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// ---------------------------------------------------------------------------
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export {
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2018-06-13 07:27:40 -05:00
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asyncMiddleware,
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asyncRetryTransactionMiddleware
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2017-10-25 04:55:06 -05:00
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}
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