PeerTube/server/helpers/database-utils.ts

123 lines
3.3 KiB
TypeScript
Raw Normal View History

2017-06-05 21:53:49 +02:00
import * as retry from 'async/retry'
2017-11-16 15:22:39 +01:00
import * as Bluebird from 'bluebird'
import { QueryTypes, Transaction } from 'sequelize'
2018-08-14 15:28:30 +02:00
import { Model } from 'sequelize-typescript'
import { sequelizeTypescript } from '@server/initializers/database'
2017-05-15 22:22:03 +02:00
import { logger } from './logger'
2017-01-17 20:38:45 +01:00
function retryTransactionWrapper <T, A, B, C, D> (
functionToRetry: (arg1: A, arg2: B, arg3: C, arg4: D) => Promise<T> | Bluebird<T>,
arg1: A,
arg2: B,
arg3: C,
arg4: D,
): Promise<T>
2018-06-13 14:27:40 +02:00
function retryTransactionWrapper <T, A, B, C> (
functionToRetry: (arg1: A, arg2: B, arg3: C) => Promise<T> | Bluebird<T>,
arg1: A,
arg2: B,
arg3: C
): Promise<T>
function retryTransactionWrapper <T, A, B> (
functionToRetry: (arg1: A, arg2: B) => Promise<T> | Bluebird<T>,
arg1: A,
arg2: B
): Promise<T>
function retryTransactionWrapper <T, A> (
functionToRetry: (arg1: A) => Promise<T> | Bluebird<T>,
arg1: A
): Promise<T>
function retryTransactionWrapper <T> (
functionToRetry: () => Promise<T> | Bluebird<T>
): Promise<T>
2017-11-21 13:43:29 +01:00
function retryTransactionWrapper <T> (
2018-06-13 14:27:40 +02:00
functionToRetry: (...args: any[]) => Promise<T> | Bluebird<T>,
...args: any[]
2017-11-21 13:43:29 +01:00
): Promise<T> {
return transactionRetryer<T>(callback => {
functionToRetry.apply(null, args)
2017-11-21 13:43:29 +01:00
.then((result: T) => callback(null, result))
.catch(err => callback(err))
2017-07-11 17:04:57 +02:00
})
.catch(err => {
2018-06-27 09:45:06 +02:00
logger.error(`Cannot execute ${functionToRetry.name} with many retries.`, { err })
2017-11-16 15:22:39 +01:00
throw err
})
}
2017-11-21 13:43:29 +01:00
function transactionRetryer <T> (func: (err: any, data: T) => any) {
return new Promise<T>((res, rej) => {
2018-06-13 14:27:40 +02:00
retry(
{
times: 5,
errorFilter: err => {
const willRetry = (err.name === 'SequelizeDatabaseError')
logger.debug('Maybe retrying the transaction function.', { willRetry, err })
return willRetry
}
},
func,
(err, data) => err ? rej(err) : res(data)
)
})
}
2021-05-12 14:09:04 +02:00
function updateInstanceWithAnother <M, T extends U, U extends Model<M>> (instanceToUpdate: T, baseInstance: U) {
2018-01-04 14:04:02 +01:00
const obj = baseInstance.toJSON()
for (const key of Object.keys(obj)) {
2019-04-18 11:28:17 +02:00
instanceToUpdate[key] = obj[key]
2018-01-04 14:04:02 +01:00
}
}
2018-08-14 15:28:30 +02:00
function resetSequelizeInstance (instance: Model<any>, savedFields: object) {
Object.keys(savedFields).forEach(key => {
2019-04-18 11:28:17 +02:00
instance[key] = savedFields[key]
2018-08-14 15:28:30 +02:00
})
}
2019-07-29 11:59:29 +02:00
function afterCommitIfTransaction (t: Transaction, fn: Function) {
if (t) return t.afterCommit(() => fn())
return fn()
}
2021-05-12 14:09:04 +02:00
function deleteNonExistingModels <T extends { hasSameUniqueKeysThan (other: T): boolean } & Pick<Model, 'destroy'>> (
fromDatabase: T[],
newModels: T[],
t: Transaction
) {
return fromDatabase.filter(f => !newModels.find(newModel => newModel.hasSameUniqueKeysThan(f)))
.map(f => f.destroy({ transaction: t }))
}
// Sequelize always skip the update if we only update updatedAt field
function setAsUpdated (table: string, id: number, transaction?: Transaction) {
return sequelizeTypescript.query(
`UPDATE "${table}" SET "updatedAt" = :updatedAt WHERE id = :id`,
{
replacements: { table, id, updatedAt: new Date() },
type: QueryTypes.UPDATE,
transaction
}
)
}
// ---------------------------------------------------------------------------
2017-05-15 22:22:03 +02:00
export {
2018-08-14 15:28:30 +02:00
resetSequelizeInstance,
2017-05-15 22:22:03 +02:00
retryTransactionWrapper,
2018-01-04 14:04:02 +01:00
transactionRetryer,
2019-07-29 11:59:29 +02:00
updateInstanceWithAnother,
afterCommitIfTransaction,
deleteNonExistingModels,
setAsUpdated
2017-05-15 22:22:03 +02:00
}