56 lines
1.9 KiB
Swift
56 lines
1.9 KiB
Swift
// SPDX-FileCopyrightText: 2026 Kaede Akino
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// SPDX-License-Identifier: GPL-3.0-only
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import Foundation
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/// Device-local connection intent and recovery references, never credentials or one-shot commands.
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@MainActor
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final class MobileWorkspaceStore {
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static let key = "mobile.workspaces.v1"
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static let recentlyClosedKey = "mobile.recentlyClosed.v2"
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static let restorationKey = "mobile.restorableWorkspaces.v1"
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struct Snapshot: Codable, Equatable {
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var version = 1
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var sessions: [String: [MobileWorkspaceDescriptor]] = [:]
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}
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private let defaults: UserDefaults?
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private var canSave = true
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init(defaults: UserDefaults?) {
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self.defaults = defaults
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}
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func load() throws -> Snapshot {
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do {
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guard let value = defaults?.object(forKey: Self.restorationKey) else { return Snapshot() }
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guard let data = value as? Data else { throw CocoaError(.coderReadCorrupt) }
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let snapshot = try JSONDecoder().decode(Snapshot.self, from: data)
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try validate(snapshot)
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return snapshot
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} catch {
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canSave = false
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throw error
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}
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}
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func save(_ snapshot: Snapshot) throws {
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guard canSave else { throw CocoaError(.coderReadCorrupt) }
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try validate(snapshot)
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defaults?.set(try JSONEncoder().encode(snapshot), forKey: Self.restorationKey)
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}
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private func validate(_ snapshot: Snapshot) throws {
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let descriptors = snapshot.sessions.values.flatMap { $0 }
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guard snapshot.version == 1, snapshot.sessions.keys.allSatisfy({ !$0.isEmpty }),
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Set(descriptors.map(\.id)).count == descriptors.count
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else { throw CocoaError(.coderReadCorrupt) }
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}
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static func retire(in defaults: UserDefaults) {
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defaults.removeObject(forKey: key)
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defaults.removeObject(forKey: recentlyClosedKey)
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}
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}
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