Use a class for youtube-dl

[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..f9cb33acafbb4729b4b997e603e9e5805ad4c9a4 100644 (file)
--- a/server/helpers/database-utils.ts
+++ b/server/helpers/database-utils.ts
@@ -1,8 +1,17 @@
 import * as retry from 'async/retry'
 import * as Bluebird from 'bluebird'
+import { QueryTypes, Transaction } from 'sequelize'
 import { Model } from 'sequelize-typescript'
+import { sequelizeTypescript } from '@server/initializers/database'
 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>,
@@ -79,6 +88,27 @@ 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 }))
+}
+
+// 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
+    }
+  )
+}
+
 // ---------------------------------------------------------------------------
 
 export {
@@ -86,5 +116,7 @@ export {
   retryTransactionWrapper,
   transactionRetryer,
   updateInstanceWithAnother,
-  afterCommitIfTransaction
+  afterCommitIfTransaction,
+  deleteNonExistingModels,
+  setAsUpdated
 }