diff options
Diffstat (limited to 'server/middlewares/async.ts')
| -rw-r--r-- | server/middlewares/async.ts | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/server/middlewares/async.ts b/server/middlewares/async.ts deleted file mode 100644 index 7e131257d..000000000 --- a/server/middlewares/async.ts +++ /dev/null | |||
| @@ -1,44 +0,0 @@ | |||
| 1 | import Bluebird from 'bluebird' | ||
| 2 | import { NextFunction, Request, RequestHandler, Response } from 'express' | ||
| 3 | import { ValidationChain } from 'express-validator' | ||
| 4 | import { ExpressPromiseHandler } from '@server/types/express-handler' | ||
| 5 | import { retryTransactionWrapper } from '../helpers/database-utils' | ||
| 6 | |||
| 7 | // Syntactic sugar to avoid try/catch in express controllers/middlewares | ||
| 8 | |||
| 9 | export type RequestPromiseHandler = ValidationChain | ExpressPromiseHandler | ||
| 10 | |||
| 11 | function asyncMiddleware (fun: RequestPromiseHandler | RequestPromiseHandler[]) { | ||
| 12 | return (req: Request, res: Response, next: NextFunction) => { | ||
| 13 | if (Array.isArray(fun) === true) { | ||
| 14 | return Bluebird.each(fun as RequestPromiseHandler[], f => { | ||
| 15 | return new Promise<void>((resolve, reject) => { | ||
| 16 | return asyncMiddleware(f)(req, res, err => { | ||
| 17 | if (err) return reject(err) | ||
| 18 | |||
| 19 | return resolve() | ||
| 20 | }) | ||
| 21 | }) | ||
| 22 | }).then(() => next()) | ||
| 23 | .catch(err => next(err)) | ||
| 24 | } | ||
| 25 | |||
| 26 | return Promise.resolve((fun as RequestHandler)(req, res, next)) | ||
| 27 | .catch(err => next(err)) | ||
| 28 | } | ||
| 29 | } | ||
| 30 | |||
| 31 | function asyncRetryTransactionMiddleware (fun: (req: Request, res: Response, next: NextFunction) => Promise<any>) { | ||
| 32 | return (req: Request, res: Response, next: NextFunction) => { | ||
| 33 | return Promise.resolve( | ||
| 34 | retryTransactionWrapper(fun, req, res, next) | ||
| 35 | ).catch(err => next(err)) | ||
| 36 | } | ||
| 37 | } | ||
| 38 | |||
| 39 | // --------------------------------------------------------------------------- | ||
| 40 | |||
| 41 | export { | ||
| 42 | asyncMiddleware, | ||
| 43 | asyncRetryTransactionMiddleware | ||
| 44 | } | ||