X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fhelpers%2Fdatabase-utils.ts;h=87f10f913ca37f3512ce5b139f55065485afceb1;hb=b3fa96eea0c6842459f978385a6b424a0beee4fa;hp=53f881fb36a4a5fe8a5106bf6783169c2a194cd9;hpb=57c36b277e68b764dd34cb2e449f6e2ca3d1e9b6;p=github%2FChocobozzz%2FPeerTube.git

diff --git a/server/helpers/database-utils.ts b/server/helpers/database-utils.ts
index 53f881fb3..87f10f913 100644
--- a/server/helpers/database-utils.ts
+++ b/server/helpers/database-utils.ts
@@ -1,7 +1,8 @@
 import * as retry from 'async/retry'
 import * as Bluebird from 'bluebird'
-import { Model, Sequelize } from 'sequelize-typescript'
+import { Model } from 'sequelize-typescript'
 import { logger } from './logger'
+import { Transaction } from 'sequelize'
 
 function retryTransactionWrapper <T, A, B, C> (
   functionToRetry: (arg1: A, arg2: B, arg3: C) => Promise<T> | Bluebird<T>,
@@ -62,14 +63,38 @@ function updateInstanceWithAnother <T extends Model<T>> (instanceToUpdate: Model
   const obj = baseInstance.toJSON()
 
   for (const key of Object.keys(obj)) {
-    instanceToUpdate.set(key, obj[key])
+    instanceToUpdate[key] = obj[key]
   }
 }
 
+function resetSequelizeInstance (instance: Model<any>, savedFields: object) {
+  Object.keys(savedFields).forEach(key => {
+    instance[key] = savedFields[key]
+  })
+}
+
+function afterCommitIfTransaction (t: Transaction, fn: Function) {
+  if (t) return t.afterCommit(() => fn())
+
+  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 {
+  resetSequelizeInstance,
   retryTransactionWrapper,
   transactionRetryer,
-  updateInstanceWithAnother
+  updateInstanceWithAnother,
+  afterCommitIfTransaction,
+  deleteNonExistingModels
 }