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docs: [vision-os-sample-app][2/n] App State Storage (#618)
Co-authored-by: Ahmed Ali <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| import Foundation | ||
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| class AppState: ObservableObject { | ||
| static let shared = AppState() | ||
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| @Published var profile: Profile = .loadFromStorage() { | ||
| didSet { | ||
| UserDefaults.standard.setValue( | ||
| profile.toJson(), | ||
| forKey: Profile.storageKey() | ||
| ) | ||
| } | ||
| } | ||
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| @Published var workspaceSettings: WorkspaceSettings = .loadFromStorage() { | ||
| didSet { | ||
| UserDefaults.standard.setValue( | ||
| workspaceSettings.toJson(), | ||
| forKey: WorkspaceSettings.storageKey() | ||
| ) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| import CioTracking | ||
| import Foundation | ||
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| extension Region: CaseIterable, Codable { | ||
| public static var allCases: [Region] = [.EU, .US] | ||
| } | ||
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| struct WorkspaceSettings: UserDefaultsCodable { | ||
| var siteId: String | ||
| var apiKey: String | ||
| var region: Region = .EU | ||
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| static func storageKey() -> String { | ||
| "UserDefaultsCodable" | ||
| } | ||
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| static func empty() -> Self { | ||
| WorkspaceSettings(siteId: "", apiKey: "") | ||
| } | ||
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| func isSet() -> Bool { | ||
| !siteId.isEmpty && !apiKey.isEmpty | ||
| } | ||
| } | ||
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| struct Profile: UserDefaultsCodable { | ||
| var id: String | ||
| var properties: [Property] | ||
| var loggedIn: Bool | ||
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| static func empty() -> Profile { | ||
| Profile(id: UUID().uuidString, properties: [], loggedIn: false) | ||
| } | ||
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| static func storageKey() -> String { | ||
| "Profile" | ||
| } | ||
| } | ||
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| struct Property: Codable, Identifiable, Comparable, Equatable { | ||
| static func < (lhs: Property, rhs: Property) -> Bool { | ||
| lhs.name == rhs.name | ||
| } | ||
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| let id: String | ||
| var name: String | ||
| var value: String | ||
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| init(name: String, value: String) { | ||
| self.id = UUID().uuidString | ||
| self.name = name | ||
| self.value = value | ||
| } | ||
| } | ||
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| extension [Property] { | ||
| func toDictionary() -> [String: String] { | ||
| var res: [String: String] = [:] | ||
| forEach { p in | ||
| if !p.name.isEmpty { | ||
| res[p.name] = p.value | ||
| } | ||
| } | ||
| return res | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| import Foundation | ||
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| protocol UserDefaultsCodable: Codable { | ||
| static func storageKey() -> String | ||
| static func empty() -> Self | ||
| } | ||
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| extension UserDefaultsCodable { | ||
| func toJson() -> Data { | ||
| let encoder = JSONEncoder() | ||
| return try! encoder.encode(self) | ||
| } | ||
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| static func from(_ data: Data) -> Self? { | ||
| let decoder = JSONDecoder() | ||
| return try? decoder.decode(Self.self, from: data) | ||
| } | ||
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| static func loadFromStorage() -> Self { | ||
| if let data = | ||
| UserDefaults.standard.object(forKey: storageKey()) as? Data, | ||
| let storedInstance = from(data) { | ||
| return storedInstance | ||
| } | ||
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| let content = Self.empty() | ||
| UserDefaults.standard.setValue( | ||
| content.toJson(), | ||
| forKey: Self.storageKey() | ||
| ) | ||
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| return content | ||
| } | ||
| } |