-import * as retry from 'async/retry'
-import * as Bluebird from 'bluebird'
+import retry from 'async/retry'
+import Bluebird from 'bluebird'
+import { Transaction } from 'sequelize'
import { Model } from 'sequelize-typescript'
+import { sequelizeTypescript } from '@server/initializers/database'
import { logger } from './logger'
+function retryTransactionWrapper <T, A, B, C, D> (
+ functionToRetry: (arg1: A, arg2: B, arg3: C, arg4: D) => Promise<T>,
+ arg1: A,
+ arg2: B,
+ arg3: C,
+ arg4: D,
+): Promise<T>
+
function retryTransactionWrapper <T, A, B, C> (
- functionToRetry: (arg1: A, arg2: B, arg3: C) => Promise<T> | Bluebird<T>,
+ functionToRetry: (arg1: A, arg2: B, arg3: C) => Promise<T>,
arg1: A,
arg2: B,
arg3: C
): Promise<T>
function retryTransactionWrapper <T, A, B> (
- functionToRetry: (arg1: A, arg2: B) => Promise<T> | Bluebird<T>,
+ functionToRetry: (arg1: A, arg2: B) => Promise<T>,
arg1: A,
arg2: B
): Promise<T>
function retryTransactionWrapper <T, A> (
- functionToRetry: (arg1: A) => Promise<T> | Bluebird<T>,
+ functionToRetry: (arg1: A) => Promise<T>,
arg1: A
): Promise<T>
): Promise<T>
function retryTransactionWrapper <T> (
- functionToRetry: (...args: any[]) => Promise<T> | Bluebird<T>,
+ functionToRetry: (...args: any[]) => Promise<T>,
...args: any[]
): Promise<T> {
return transactionRetryer<T>(callback => {
.catch(err => callback(err))
})
.catch(err => {
- logger.error(`Cannot execute ${functionToRetry.name} with many retries.`, { err })
+ logger.warn(`Cannot execute ${functionToRetry.name} with many retries.`, { err })
throw err
})
}
errorFilter: err => {
const willRetry = (err.name === 'SequelizeDatabaseError')
- logger.debug('Maybe retrying the transaction function.', { willRetry, err })
+ logger.debug('Maybe retrying the transaction function.', { willRetry, err, tags: [ 'sql', 'retry' ] })
return willRetry
}
},
})
}
-function updateInstanceWithAnother <T extends Model<T>> (instanceToUpdate: Model<T>, baseInstance: Model<T>) {
- const obj = baseInstance.toJSON()
+// ---------------------------------------------------------------------------
- for (const key of Object.keys(obj)) {
- instanceToUpdate[key] = obj[key]
- }
+function resetSequelizeInstance <T> (instance: Model<T>) {
+ return instance.reload()
}
-function resetSequelizeInstance (instance: Model<any>, savedFields: object) {
- Object.keys(savedFields).forEach(key => {
- instance[key] = savedFields[key]
- })
+function filterNonExistingModels <T extends { hasSameUniqueKeysThan (other: T): boolean }> (
+ fromDatabase: T[],
+ newModels: T[]
+) {
+ return fromDatabase.filter(f => !newModels.find(newModel => newModel.hasSameUniqueKeysThan(f)))
+}
+
+function deleteAllModels <T extends Pick<Model, 'destroy'>> (models: T[], transaction: Transaction) {
+ return Promise.all(models.map(f => f.destroy({ transaction })))
+}
+
+// ---------------------------------------------------------------------------
+
+function runInReadCommittedTransaction <T> (fn: (t: Transaction) => Promise<T>) {
+ const options = { isolationLevel: Transaction.ISOLATION_LEVELS.READ_COMMITTED }
+
+ return sequelizeTypescript.transaction(options, t => fn(t))
+}
+
+function afterCommitIfTransaction (t: Transaction, fn: Function) {
+ if (t) return t.afterCommit(() => fn())
+
+ return fn()
}
// ---------------------------------------------------------------------------
resetSequelizeInstance,
retryTransactionWrapper,
transactionRetryer,
- updateInstanceWithAnother
+ afterCommitIfTransaction,
+ filterNonExistingModels,
+ deleteAllModels,
+ runInReadCommittedTransaction
}