2017-06-05 14:53:49 -05:00
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import * as retry from 'async/retry'
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2017-11-16 08:22:39 -06:00
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import * as Bluebird from 'bluebird'
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2018-01-04 07:04:02 -06:00
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import { Model } from 'sequelize-typescript'
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2017-05-15 15:22:03 -05:00
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import { logger } from './logger'
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2017-01-17 13:38:45 -06:00
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2017-06-10 15:15:25 -05:00
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type RetryTransactionWrapperOptions = { errorMessage: string, arguments?: any[] }
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2017-11-21 06:43:29 -06:00
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function retryTransactionWrapper <T> (
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functionToRetry: (...args) => Promise<T> | Bluebird<T>,
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options: RetryTransactionWrapperOptions
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): Promise<T> {
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2017-01-15 12:53:11 -06:00
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const args = options.arguments ? options.arguments : []
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2017-11-21 06:43:29 -06:00
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return transactionRetryer<T>(callback => {
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2017-07-11 10:04:57 -05:00
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functionToRetry.apply(this, args)
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2017-11-21 06:43:29 -06:00
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.then((result: T) => callback(null, result))
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2017-07-05 06:26:25 -05:00
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.catch(err => callback(err))
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2017-07-11 10:04:57 -05:00
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})
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2017-07-05 06:26:25 -05:00
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.catch(err => {
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2017-07-07 11:26:12 -05:00
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logger.error(options.errorMessage, err)
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2017-11-16 08:22:39 -06:00
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throw err
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2017-07-05 06:26:25 -05:00
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})
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2017-01-15 12:53:11 -06:00
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}
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2017-11-21 06:43:29 -06:00
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function transactionRetryer <T> (func: (err: any, data: T) => any) {
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return new Promise<T>((res, rej) => {
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2017-07-05 06:26:25 -05:00
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retry({
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times: 5,
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2017-01-15 12:53:11 -06:00
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2017-07-11 10:04:57 -05:00
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errorFilter: err => {
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2017-07-05 06:26:25 -05:00
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const willRetry = (err.name === 'SequelizeDatabaseError')
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logger.debug('Maybe retrying the transaction function.', { willRetry })
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return willRetry
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}
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2017-11-16 08:22:39 -06:00
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}, func, (err, data) => err ? rej(err) : res(data))
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2017-01-15 12:53:11 -06:00
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})
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}
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2018-01-04 07:04:02 -06:00
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function updateInstanceWithAnother <T> (instanceToUpdate: Model<T>, baseInstance: Model<T>) {
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const obj = baseInstance.toJSON()
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for (const key of Object.keys(obj)) {
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instanceToUpdate.set(key, obj[key])
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}
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}
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2017-01-15 12:53:11 -06:00
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// ---------------------------------------------------------------------------
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2017-05-15 15:22:03 -05:00
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export {
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retryTransactionWrapper,
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2018-01-04 07:04:02 -06:00
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transactionRetryer,
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updateInstanceWithAnother
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2017-05-15 15:22:03 -05:00
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}
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