add script printing command to generate a resolution for a given file

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

diff --git a/server/helpers/database-utils.ts b/server/helpers/database-utils.ts
index 9b861a88ccd3c417bf963ae659979ab57c28482b..87f10f913ca37f3512ce5b139f55065485afceb1 100644 (file)
--- a/server/helpers/database-utils.ts
+++ b/server/helpers/database-utils.ts
@@ -2,6 +2,7 @@ import * as retry from 'async/retry'
 import * as Bluebird from 'bluebird'
 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>,
@@ -21,17 +22,21 @@ function retryTransactionWrapper <T, A> (
   arg1: A
 ): Promise<T>
 
+function retryTransactionWrapper <T> (
+  functionToRetry: () => Promise<T> | Bluebird<T>
+): Promise<T>
+
 function retryTransactionWrapper <T> (
   functionToRetry: (...args: any[]) => Promise<T> | Bluebird<T>,
   ...args: any[]
 ): Promise<T> {
   return transactionRetryer<T>(callback => {
-    functionToRetry.apply(this, args)
+    functionToRetry.apply(null, args)
         .then((result: T) => callback(null, result))
         .catch(err => callback(err))
   })
   .catch(err => {
-    logger.error('Cannot execute %s with many retries.', functionToRetry.toString(), { err })
+    logger.error(`Cannot execute ${functionToRetry.name} with many retries.`, { err })
     throw err
   })
 }
@@ -58,14 +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
 }