From 9c662f4d78d7051499c1c4266b219df7ffa57ef6 Mon Sep 17 00:00:00 2001
From: Nathan Mattes <hallo@bullenscheisse.de>
Date: Thu, 23 Nov 2023 14:30:46 +0100
Subject: [PATCH] Remove FetchedResultsController for SearchHistory (IOS-196)

---
 ...SearchHistoryFetchedResultController.swift | 77 -------------------
 1 file changed, 77 deletions(-)
 delete mode 100644 MastodonSDK/Sources/MastodonCore/FetchedResultsController/SearchHistoryFetchedResultController.swift

diff --git a/MastodonSDK/Sources/MastodonCore/FetchedResultsController/SearchHistoryFetchedResultController.swift b/MastodonSDK/Sources/MastodonCore/FetchedResultsController/SearchHistoryFetchedResultController.swift
deleted file mode 100644
index f8376a9c0..000000000
--- a/MastodonSDK/Sources/MastodonCore/FetchedResultsController/SearchHistoryFetchedResultController.swift
+++ /dev/null
@@ -1,77 +0,0 @@
-//
-//  SearchHistoryFetchedResultController.swift
-//  Mastodon
-//
-//  Created by MainasuK Cirno on 2021-7-15.
-//
-
-import UIKit
-import Combine
-import CoreData
-import CoreDataStack
-import MastodonSDK
-
-public final class SearchHistoryFetchedResultController: NSObject {
-
-    var disposeBag = Set<AnyCancellable>()
-
-    public let fetchedResultsController: NSFetchedResultsController<SearchHistory>
-    public let domain = CurrentValueSubject<String?, Never>(nil)
-    public let userID = CurrentValueSubject<Mastodon.Entity.Status.ID?, Never>(nil)
-
-    // output
-    let _objectIDs = CurrentValueSubject<[NSManagedObjectID], Never>([])
-    @Published public private(set) var records: [ManagedObjectRecord<SearchHistory>] = []
-    
-    public init(managedObjectContext: NSManagedObjectContext) {
-        self.fetchedResultsController = {
-            let fetchRequest = SearchHistory.sortedFetchRequest
-            fetchRequest.returnsObjectsAsFaults = false
-            fetchRequest.fetchBatchSize = 20
-            let controller = NSFetchedResultsController(
-                fetchRequest: fetchRequest,
-                managedObjectContext: managedObjectContext,
-                sectionNameKeyPath: nil,
-                cacheName: nil
-            )
-
-            return controller
-        }()
-        super.init()
-        
-        // debounce output to prevent UI update issues
-        _objectIDs
-            .throttle(for: 0.1, scheduler: DispatchQueue.main, latest: true)
-            .map { objectIDs in objectIDs.map { ManagedObjectRecord(objectID: $0) } }
-            .assign(to: &$records)
-
-        fetchedResultsController.delegate = self
-
-        Publishers.CombineLatest(
-            self.domain,
-            self.userID
-        )
-        .receive(on: DispatchQueue.main)
-        .sink { [weak self] domain, userID in
-            guard let self = self else { return }
-            let predicates = [SearchHistory.predicate(domain: domain ?? "", userID: userID ?? "")]
-            self.fetchedResultsController.fetchRequest.predicate = NSCompoundPredicate(andPredicateWithSubpredicates: predicates)
-            do {
-                try self.fetchedResultsController.performFetch()
-            } catch {
-                assertionFailure(error.localizedDescription)
-            }
-        }
-        .store(in: &disposeBag)
-    }
-
-}
-
-// MARK: - NSFetchedResultsControllerDelegate
-extension SearchHistoryFetchedResultController: NSFetchedResultsControllerDelegate {
-    public func controller(_ controller: NSFetchedResultsController<NSFetchRequestResult>, didChangeContentWith snapshot: NSDiffableDataSourceSnapshotReference) {
-
-        let objects = fetchedResultsController.fetchedObjects ?? []
-        self._objectIDs.value = objects.map { $0.objectID }
-    }
-}