Files
SideStore/AltStore/Model/Migrations/Policies/InstalledAppPolicy.swift
2020-01-24 16:11:42 -08:00

31 lines
1.2 KiB
Swift

//
// InstalledAppPolicy.swift
// AltStore
//
// Created by Riley Testut on 1/24/20.
// Copyright © 2020 Riley Testut. All rights reserved.
//
import CoreData
@objc(InstalledAppToInstalledAppMigrationPolicy)
class InstalledAppToInstalledAppMigrationPolicy: NSEntityMigrationPolicy
{
override func createRelationships(forDestination dInstance: NSManagedObject, in mapping: NSEntityMapping, manager: NSMigrationManager) throws
{
try super.createRelationships(forDestination: dInstance, in: mapping, manager: manager)
// Entity must be in manager.destinationContext.
let entity = NSEntityDescription.entity(forEntityName: "Team", in: manager.destinationContext)
let fetchRequest = NSFetchRequest<NSManagedObject>()
fetchRequest.entity = entity
fetchRequest.predicate = NSPredicate(format: "%K == YES", #keyPath(Team.isActiveTeam))
let teams = try manager.destinationContext.fetch(fetchRequest)
// Cannot use NSManagedObject subclasses during migration, so fallback to using KVC instead.
dInstance.setValue(teams.first, forKey: #keyPath(InstalledApp.team))
}
}