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Adds initial support for 3rd party Sources

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This commit is contained in:
Riley Testut
2020-03-24 13:27:44 -07:00
parent 590ce5c928
commit a90c0c05a0
19 changed files with 579 additions and 132 deletions
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66
AltStore/Managing Apps/AppManager.swift
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@@ -170,26 +170,68 @@ extension AppManager
extension AppManager
{
func fetchSource(completionHandler: @escaping (Result<Source, Error>) -> Void)
func fetchSource(sourceURL: URL, completionHandler: @escaping (Result<Source, Error>) -> Void)
{
let fetchSourceOperation = FetchSourceOperation(sourceURL: sourceURL)
fetchSourceOperation.resultHandler = { (result) in
switch result
{
case .failure(let error):
completionHandler(.failure(error))
case .success(let source):
completionHandler(.success(source))
}
}
self.run([fetchSourceOperation])
}
func fetchSources(completionHandler: @escaping (Result<Set<Source>, Error>) -> Void)
{
DatabaseManager.shared.persistentContainer.performBackgroundTask { (context) in
guard let source = Source.first(satisfying: NSPredicate(format: "%K == %@", #keyPath(Source.identifier), Source.altStoreIdentifier), in: context) else {
return completionHandler(.failure(OperationError.noSources))
let sources = Source.all(in: context)
guard !sources.isEmpty else { return completionHandler(.failure(OperationError.noSources)) }
let dispatchGroup = DispatchGroup()
var fetchedSources = Set<Source>()
var error: Error?
let managedObjectContext = DatabaseManager.shared.persistentContainer.newBackgroundContext()
let operations = sources.map { (source) -> FetchSourceOperation in
dispatchGroup.enter()
let fetchSourceOperation = FetchSourceOperation(sourceURL: source.sourceURL, managedObjectContext: managedObjectContext)
fetchSourceOperation.resultHandler = { (result) in
switch result
{
case .failure(let e): error = e
case .success(let source): fetchedSources.insert(source)
}
dispatchGroup.leave()
}
return fetchSourceOperation
}
let fetchSourceOperation = FetchSourceOperation(sourceURL: source.sourceURL)
fetchSourceOperation.resultHandler = { (result) in
switch result
dispatchGroup.notify(queue: .global()) {
if let error = error
{
case .failure(let error):
completionHandler(.failure(error))
case .success(let source):
completionHandler(.success(source))
NotificationCenter.default.post(name: AppManager.didFetchSourceNotification, object: self)
}
else
{
managedObjectContext.perform {
completionHandler(.success(fetchedSources))
}
}
NotificationCenter.default.post(name: AppManager.didFetchSourceNotification, object: self)
}
self.run([fetchSourceOperation])
self.run(operations)
}
}