47 lines
1.2 KiB
Swift
47 lines
1.2 KiB
Swift
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import Foundation
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struct PersistedAppState: Codable, Equatable {
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let session: AuthSession
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let profile: MemberProfile
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let requests: [ApprovalRequest]
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let notifications: [AppNotification]
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}
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protocol AppStateStoring {
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func load() -> PersistedAppState?
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func save(_ state: PersistedAppState)
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func clear()
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}
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final class UserDefaultsAppStateStore: AppStateStoring {
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private let defaults: UserDefaults
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private let storageKey: String
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private let encoder = JSONEncoder()
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private let decoder = JSONDecoder()
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init(defaults: UserDefaults = .standard, storageKey: String = "persisted-app-state") {
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self.defaults = defaults
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self.storageKey = storageKey
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}
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func load() -> PersistedAppState? {
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guard let data = defaults.data(forKey: storageKey) else {
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return nil
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}
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return try? decoder.decode(PersistedAppState.self, from: data)
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}
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func save(_ state: PersistedAppState) {
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guard let data = try? encoder.encode(state) else {
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return
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}
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defaults.set(data, forKey: storageKey)
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}
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func clear() {
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defaults.removeObject(forKey: storageKey)
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}
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}
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