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Code Issues 17 Releases Wiki Activity

Remove obsolete Core Data-controller

This commit is contained in:
Nathan Mattes 2023-12-20 21:38:55 +01:00
parent e7c1edbbc3
commit d189119014
1 changed files with 0 additions and 75 deletions
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75
MastodonSDK/Sources/MastodonCore/FetchedResultsController/FollowedTagsFetchedResultController.swift
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@ -1,75 +0,0 @@
//
// FollowedTagsFetchedResultController.swift
//
//
// Created by Marcus Kida on 23.11.22.
//
import UIKit
import Combine
import CoreData
import CoreDataStack
import MastodonSDK
public final class FollowedTagsFetchedResultController: NSObject {
var disposeBag = Set<AnyCancellable>()
let fetchedResultsController: NSFetchedResultsController<Tag>
// input
@Published public var domain: String? = nil
@Published public var user: MastodonUser? = nil
// output
@Published public private(set) var records: [Tag] = []
public init(managedObjectContext: NSManagedObjectContext, domain: String, user: MastodonUser) {
self.domain = domain
self.fetchedResultsController = {
let fetchRequest = Tag.sortedFetchRequest
fetchRequest.predicate = Tag.predicate(domain: domain, following: true, by: user)
fetchRequest.sortDescriptors = Tag.defaultSortDescriptors
fetchRequest.returnsObjectsAsFaults = false
fetchRequest.fetchBatchSize = 20
let controller = NSFetchedResultsController(
fetchRequest: fetchRequest,
managedObjectContext: managedObjectContext,
sectionNameKeyPath: nil,
cacheName: nil
)
return controller
}()
super.init()
fetchedResultsController.delegate = self
try? fetchedResultsController.performFetch()
Publishers.CombineLatest(
self.$domain,
self.$user
)
.receive(on: DispatchQueue.main)
.sink { [weak self] domain, user in
guard let self = self, let domain = domain, let user = user else { return }
self.fetchedResultsController.fetchRequest.predicate = Tag.predicate(domain: domain, following: true, by: user)
do {
try self.fetchedResultsController.performFetch()
} catch {
assertionFailure(error.localizedDescription)
}
}
.store(in: &disposeBag)
}
}
// MARK: - NSFetchedResultsControllerDelegate
extension FollowedTagsFetchedResultController: NSFetchedResultsControllerDelegate {
public func controller(_ controller: NSFetchedResultsController<NSFetchRequestResult>, didChangeContentWith snapshot: NSDiffableDataSourceSnapshotReference) {
let objects = fetchedResultsController.fetchedObjects ?? []
self.records = objects
}
}