Deletes cached apps after they’ve been uninstalled from device

This commit is contained in:
Riley Testut
2020-03-23 12:12:49 -07:00
parent 9e465f8eaa
commit 590ce5c928
3 changed files with 85 additions and 49 deletions

View File

@@ -8,21 +8,25 @@
import CoreData
typealias FetchRequest = NSFetchRequest<NSFetchRequestResult>
protocol Fetchable: NSManagedObject
{
}
extension Fetchable
{
static func first(satisfying predicate: NSPredicate? = nil, sortedBy sortDescriptors: [NSSortDescriptor]? = nil, in context: NSManagedObjectContext) -> Self?
static func first(satisfying predicate: NSPredicate? = nil, sortedBy sortDescriptors: [NSSortDescriptor]? = nil, in context: NSManagedObjectContext,
requestProperties: [PartialKeyPath<FetchRequest>: Any?] = [:]) -> Self?
{
let managedObjects = Self.all(satisfying: predicate, sortedBy: sortDescriptors, in: context, returnFirstResult: true)
let managedObjects = Self.all(satisfying: predicate, sortedBy: sortDescriptors, in: context, requestProperties: requestProperties, returnFirstResult: true)
return managedObjects.first
}
static func all(satisfying predicate: NSPredicate? = nil, sortedBy sortDescriptors: [NSSortDescriptor]? = nil, in context: NSManagedObjectContext) -> [Self]
static func all(satisfying predicate: NSPredicate? = nil, sortedBy sortDescriptors: [NSSortDescriptor]? = nil, in context: NSManagedObjectContext,
requestProperties: [PartialKeyPath<FetchRequest>: Any?] = [:]) -> [Self]
{
let managedObjects = Self.all(satisfying: predicate, sortedBy: sortDescriptors, in: context, returnFirstResult: false)
let managedObjects = Self.all(satisfying: predicate, sortedBy: sortDescriptors, in: context, requestProperties: requestProperties, returnFirstResult: false)
return managedObjects
}
@@ -40,7 +44,7 @@ extension Fetchable
}
}
private static func all(satisfying predicate: NSPredicate? = nil, sortedBy sortDescriptors: [NSSortDescriptor]? = nil, in context: NSManagedObjectContext, returnFirstResult: Bool) -> [Self]
private static func all(satisfying predicate: NSPredicate? = nil, sortedBy sortDescriptors: [NSSortDescriptor]? = nil, in context: NSManagedObjectContext, requestProperties: [PartialKeyPath<FetchRequest>: Any?], returnFirstResult: Bool) -> [Self]
{
let registeredObjects = context.registeredObjects.lazy.compactMap({ $0 as? Self }).filter({ predicate?.evaluate(with: $0) != false })
@@ -52,6 +56,14 @@ extension Fetchable
let fetchRequest = self.fetchRequest() as! NSFetchRequest<Self>
fetchRequest.predicate = predicate
fetchRequest.sortDescriptors = sortDescriptors
fetchRequest.returnsObjectsAsFaults = false
for (keyPath, value) in requestProperties
{
// Still no easy way to cast PartialKeyPath back to usable WritableKeyPath :(
guard let objcKeyString = keyPath._kvcKeyPathString else { continue }
fetchRequest.setValue(value, forKey: objcKeyString)
}
let fetchedObjects = self.fetch(fetchRequest, in: context)