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Limits updating sources to app launch and manually via pull-to-refresh

Browse Source
This commit is contained in:
Riley Testut
2023-12-07 17:30:46 -06:00
committed by Magesh K
parent cf09843538
commit 9716ee6152
4 changed files with 158 additions and 163 deletions
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107
AltStore/Browse/BrowseViewController.swift
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@@ -7,6 +7,7 @@
//
import UIKit
import Combine
import minimuxer
import AltStoreCore
@@ -24,11 +25,7 @@ class BrowseViewController: UICollectionViewController, PeekPopPreviewing
private let prototypeCell = AppCardCollectionViewCell(frame: .zero)
private var loadingState: LoadingState = .loading {
didSet {
self.update()
}
}
private var cancellables = Set<AnyCancellable>()
init?(source: Source?, coder: NSCoder)
{
@@ -51,6 +48,7 @@ class BrowseViewController: UICollectionViewController, PeekPopPreviewing
super.viewDidLoad()
self.collectionView.backgroundColor = .altBackground
self.collectionView.alwaysBounceVertical = true
#if BETA
self.dataSource.searchController.searchableKeyPaths = [#keyPath(InstalledApp.name)]
@@ -69,6 +67,11 @@ class BrowseViewController: UICollectionViewController, PeekPopPreviewing
(self as PeekPopPreviewing).registerForPreviewing(with: self, sourceView: self.collectionView)
let refreshControl = UIRefreshControl(frame: .zero, primaryAction: UIAction { [weak self] _ in
self?.updateSources()
})
self.collectionView.refreshControl = refreshControl
if let source = self.source
{
let tintColor = source.effectiveTintColor ?? .altPrimary
@@ -85,6 +88,9 @@ class BrowseViewController: UICollectionViewController, PeekPopPreviewing
self.navigationItem.scrollEdgeAppearance = edgeAppearance
}
self.preparePipeline()
self.update()
}
@@ -92,14 +98,22 @@ class BrowseViewController: UICollectionViewController, PeekPopPreviewing
{
super.viewWillAppear(animated)
self.fetchSource()
self.update()
}
}
private extension BrowseViewController
{
func preparePipeline()
{
AppManager.shared.$updateSourcesResult
.receive(on: RunLoop.main) // Delay to next run loop so we receive _current_ value (not previous value).
.sink { [weak self] result in
self?.update()
}
.store(in: &self.cancellables)
}
func makeDataSource() -> RSTFetchedResultsCollectionViewPrefetchingDataSource<StoreApp, UIImage>
{
let fetchRequest = StoreApp.fetchRequest() as NSFetchRequest<StoreApp>
@@ -176,75 +190,27 @@ private extension BrowseViewController
self.dataSource.predicate = nil
}
func fetchSource()
func updateSources()
{
self.loadingState = .loading
AppManager.shared.fetchSources() { (result) in
do
AppManager.shared.updateAllSources { result in
self.collectionView.refreshControl?.endRefreshing()
guard case .failure(let error) = result else { return }
if self.dataSource.itemCount > 0
{
do
{
let (_, context) = try result.get()
try context.save()
DispatchQueue.main.async {
self.loadingState = .finished(.success(()))
}
}
catch let error as AppManager.FetchSourcesError
{
try error.managedObjectContext?.save()
throw error
}
catch let mergeError as MergeError
{
guard let sourceID = mergeError.sourceID else { throw mergeError }
let sanitizedError = (mergeError as NSError).sanitizedForSerialization()
DatabaseManager.shared.persistentContainer.performBackgroundTask { context in
do
{
guard let source = Source.first(satisfying: NSPredicate(format: "%K == %@", #keyPath(Source.identifier), sourceID), in: context) else { return }
source.error = sanitizedError
try context.save()
}
catch
{
print("[ALTLog] Failed to assign error \(sanitizedError.localizedErrorCode) to source \(sourceID).", error)
}
}
throw mergeError
}
}
catch var error as NSError
{
if error.localizedTitle == nil
{
error = error.withLocalizedTitle(NSLocalizedString("Unable to Refresh Store", comment: ""))
}
DispatchQueue.main.async {
if self.dataSource.itemCount > 0
{
let toastView = ToastView(error: error)
toastView.addTarget(nil, action: #selector(TabBarController.presentSources), for: .touchUpInside)
toastView.show(in: self)
}
self.loadingState = .finished(.failure(error))
}
let toastView = ToastView(error: error)
toastView.addTarget(nil, action: #selector(TabBarController.presentSources), for: .touchUpInside)
toastView.show(in: self)
}
}
}
func update()
{
switch self.loadingState
switch AppManager.shared.updateSourcesResult
{
case .loading:
case nil:
self.placeholderView.textLabel.isHidden = true
self.placeholderView.detailTextLabel.isHidden = false
@@ -252,7 +218,7 @@ private extension BrowseViewController
self.placeholderView.activityIndicatorView.startAnimating()
case .finished(.failure(let error)):
case .failure(let error):
self.placeholderView.textLabel.isHidden = false
self.placeholderView.detailTextLabel.isHidden = false
@@ -261,8 +227,9 @@ private extension BrowseViewController
self.placeholderView.activityIndicatorView.stopAnimating()
case .finished(.success):
self.placeholderView.textLabel.isHidden = true
case .success:
self.placeholderView.textLabel.text = NSLocalizedString("No Apps", comment: "")
self.placeholderView.textLabel.isHidden = false
self.placeholderView.detailTextLabel.isHidden = true
self.placeholderView.activityIndicatorView.stopAnimating()