| 1 | import Combine |
| 2 | import Foundation |
| 3 | |
| 4 | @MainActor |
| 5 | final class FavoritesStore: ObservableObject { |
| 6 | @Published private(set) var favoriteIDs: Set<String> |
| 7 | |
| 8 | private let defaults: UserDefaults |
| 9 | private let storageKey = "klepon.favoriteIDs" |
| 10 | |
| 11 | init(defaults: UserDefaults = .standard) { |
| 12 | self.defaults = defaults |
| 13 | self.favoriteIDs = Set(defaults.stringArray(forKey: storageKey) ?? []) |
| 14 | } |
| 15 | |
| 16 | func isFavorite(_ entryID: String) -> Bool { |
| 17 | favoriteIDs.contains(entryID) |
| 18 | } |
| 19 | |
| 20 | func toggle(_ entryID: String) { |
| 21 | if favoriteIDs.contains(entryID) { |
| 22 | favoriteIDs.remove(entryID) |
| 23 | } else { |
| 24 | favoriteIDs.insert(entryID) |
| 25 | } |
| 26 | |
| 27 | persist() |
| 28 | } |
| 29 | |
| 30 | func clear() { |
| 31 | favoriteIDs = [] |
| 32 | persist() |
| 33 | } |
| 34 | |
| 35 | private func persist() { |
| 36 | defaults.set(Array(favoriteIDs).sorted(), forKey: storageKey) |
| 37 | } |
| 38 | } |