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Switches to UIScene-based lifecycle

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This commit is contained in:
Riley Testut
2020-07-13 17:59:52 -07:00
parent f1a39e1a1f
commit 3d9417c071
5 changed files with 130 additions and 19 deletions
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43
AltStoreCore/Model/DatabaseManager.swift
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@@ -20,6 +20,7 @@ public class DatabaseManager
public private(set) var isStarted = false
private var startCompletionHandlers = [(Error?) -> Void]()
private let dispatchQueue = DispatchQueue(label: "io.altstore.DatabaseManager")
private init()
{
@@ -32,30 +33,34 @@ public extension DatabaseManager
{
func start(completionHandler: @escaping (Error?) -> Void)
{
self.startCompletionHandlers.append(completionHandler)
guard self.startCompletionHandlers.count == 1 else { return }
func finish(_ error: Error?)
{
self.startCompletionHandlers.forEach { $0(error) }
self.startCompletionHandlers.removeAll()
self.dispatchQueue.async {
if error == nil
{
self.isStarted = true
}
self.startCompletionHandlers.forEach { $0(error) }
self.startCompletionHandlers.removeAll()
}
}
guard !self.isStarted else { return finish(nil) }
self.persistentContainer.loadPersistentStores { (description, error) in
guard error == nil else { return finish(error!) }
self.dispatchQueue.async {
self.startCompletionHandlers.append(completionHandler)
guard self.startCompletionHandlers.count == 1 else { return }
self.prepareDatabase() { (result) in
switch result
{
case .failure(let error):
finish(error)
case .success:
self.isStarted = true
finish(nil)
guard !self.isStarted else { return finish(nil) }
self.persistentContainer.loadPersistentStores { (description, error) in
guard error == nil else { return finish(error!) }
self.prepareDatabase() { (result) in
switch result
{
case .failure(let error): finish(error)
case .success: finish(nil)
}
}
}
}