Translated using Weblate (Kabyle)

[github/Chocobozzz/PeerTube.git] / server / helpers / database-utils.ts

diff --git a/server/helpers/database-utils.ts b/server/helpers/database-utils.ts
index 6c5068fb0d631622d21e4fab74f6262dde5d1a2d..2b916efc2d948663e504be0c719cc6c7b1e47b0c 100644 (file)
--- a/server/helpers/database-utils.ts
+++ b/server/helpers/database-utils.ts
@@ -4,6 +4,14 @@ import { Model } from 'sequelize-typescript'
 import { logger } from './logger'
 import { Transaction } from 'sequelize'
 
+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>
+
 function retryTransactionWrapper <T, A, B, C> (
   functionToRetry: (arg1: A, arg2: B, arg3: C) => Promise<T> | Bluebird<T>,
   arg1: A,
@@ -79,6 +87,15 @@ function afterCommitIfTransaction (t: Transaction, fn: Function) {
   return fn()
 }
 
+function deleteNonExistingModels <T extends { hasSameUniqueKeysThan (other: T): boolean } & Model<T>> (
+  fromDatabase: T[],
+  newModels: T[],
+  t: Transaction
+) {
+  return fromDatabase.filter(f => !newModels.find(newModel => newModel.hasSameUniqueKeysThan(f)))
+              .map(f => f.destroy({ transaction: t }))
+}
+
 // ---------------------------------------------------------------------------
 
 export {
@@ -86,5 +103,6 @@ export {
   retryTransactionWrapper,
   transactionRetryer,
   updateInstanceWithAnother,
-  afterCommitIfTransaction
+  afterCommitIfTransaction,
+  deleteNonExistingModels
 }