Decouple application password name logic from knowing the OS

Networking/Sources/Core/ApplicationPassword/ApplicationPasswordUseCase.swift

@@ -29,6 +29,25 @@ public protocol ApplicationPasswordUseCase {
     func deletePassword() async throws
 }
 
+/// A wrapper for the `UIDevice` `model` and `identifierForVendor` properties.
+///
+/// This is necessary because `UIDevice` is part of UIKit which we cannot use when targeting watchOS.
+/// So, to keep this package compatible with watchOS, we need to abstract UIKit away and delegate it to the consumers to provide us
+/// with the device information.
+///
+/// This approach is feasible because only the `applicationPasswordName` method in
+/// `DefaultApplicationPasswordUseCase` needs access to the information and watchOS does not need to create application
+/// passwords. We can therefore pass a `nil` value to it to satisfy the compilation without issues for the user experience.
+public struct DeviceModelIdentifierInfo {
+    let model: String
+    let identifierForVendor: String
+
+    public init(model: String, identifierForVendor: String) {
+        self.model = model
+        self.identifierForVendor = identifierForVendor
+    }
+}
+
 final public class DefaultApplicationPasswordUseCase: ApplicationPasswordUseCase {
     /// Site Address
     ///
@@ -46,30 +65,31 @@ final public class DefaultApplicationPasswordUseCase: ApplicationPasswordUseCase
     ///
     private let storage: ApplicationPasswordStorage
 
+    private let deviceModelIdentifierInfo: DeviceModelIdentifierInfo?
+
     /// Used to name the password in wpadmin.
     ///
     private var applicationPasswordName: String {
-        get async {
-#if !os(watchOS)
+        get {
+            guard let deviceModelIdentifierInfo else {
+                return "" // This is not needed on watchOS as the watch does not create application passwords.
+            }
+
             let bundleIdentifier = Bundle.main.bundleIdentifier ?? "Unknown"
-            let model = await UIDevice.current.model
-            let identifierForVendor = await UIDevice.current.identifierForVendor?.uuidString ?? ""
-            return "\(bundleIdentifier).ios-app-client.\(model).\(identifierForVendor)"
-#endif
-#if os(watchOS)
-            return "" // This is not needed on watchOS as the watch does not create application passwords.
-#endif
+            return "\(bundleIdentifier).ios-app-client.\(deviceModelIdentifierInfo.model).\(deviceModelIdentifierInfo.identifierForVendor)"
         }
     }
 
     public init(username: String,
                 password: String,
                 siteAddress: String,
+                deviceModelIdentifierInfo: DeviceModelIdentifierInfo? = nil,
                 network: Network? = nil,
                 keychain: Keychain = Keychain(service: WooConstants.keychainServiceName)) throws {
         self.siteAddress = siteAddress
         self.username = username
         self.storage = ApplicationPasswordStorage(keychain: keychain)
+        self.deviceModelIdentifierInfo = deviceModelIdentifierInfo
 
         if let network {
             self.network = network

WooCommerce/Classes/Authentication/AuthenticationManager.swift

@@ -4,6 +4,7 @@ import KeychainAccess
 import WordPressAuthenticator
 import WordPressUI
 import Yosemite
+import UIKit
 import class Networking.UserAgent
 import enum Experiments.ABTest
 import struct Networking.Settings
@@ -751,7 +752,8 @@ private extension AuthenticationManager {
         guard let useCase = try? DefaultApplicationPasswordUseCase(
             username: siteCredentials.username,
             password: siteCredentials.password,
-            siteAddress: siteCredentials.siteURL
+            siteAddress: siteCredentials.siteURL,
+            deviceModelIdentifierInfo: UIDevice.current.deviceModelIdentifierInfo
         ) else {
             return assertionFailure("⛔️ Error creating application password use case")
         }

WooCommerce/Classes/System/SessionManager.swift

@@ -1,6 +1,7 @@
 import Combine
 import Foundation
 import Yosemite
+import UIKit
 import KeychainAccess
 import protocol Networking.ApplicationPasswordUseCase
 import class Networking.OneTimeApplicationPasswordUseCase
@@ -233,6 +234,7 @@ final class SessionManager: SessionManagerProtocol {
                 return try? DefaultApplicationPasswordUseCase(username: username,
                                                               password: password,
                                                               siteAddress: siteAddress,
+                                                              deviceModelIdentifierInfo: UIDevice.current.deviceModelIdentifierInfo,
                                                               keychain: keychain)
             case let .applicationPassword(_, _, siteAddress):
                 return OneTimeApplicationPasswordUseCase(siteAddress: siteAddress, keychain: keychain)

WooCommerce/Classes/System/UIDevice+DeviceModelIdentifierInfo.swift

@@ -0,0 +1,12 @@
+import Networking
+import UIKit
+
+extension UIDevice {
+
+    var deviceModelIdentifierInfo: DeviceModelIdentifierInfo {
+        DeviceModelIdentifierInfo(
+            model: model,
+            identifierForVendor: identifierForVendor?.uuidString ?? ""
+        )
+    }
+}

WooCommerce/WooCommerce.xcodeproj/project.pbxproj

@@ -1304,6 +1304,7 @@
 		3F58701F281B947E004F7556 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 3F58701E281B947E004F7556 /* Main.storyboard */; };
 		3F587021281B9494004F7556 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 3F587020281B9494004F7556 /* LaunchScreen.storyboard */; };
 		3F587026281B9C19004F7556 /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = 3F587028281B9C19004F7556 /* InfoPlist.strings */; };
+		3F88EC3F2DF8D4BC0023A6F4 /* UIDevice+DeviceModelIdentifierInfo.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3F88EC3E2DF8D4BC0023A6F4 /* UIDevice+DeviceModelIdentifierInfo.swift */; };
 		3FA96DF42C94043200CDA78F /* Yosemite.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3FA96DF32C94043200CDA78F /* Yosemite.framework */; };
 		3FF314E126FC74450012E68E /* UITestsFoundation.h in Headers */ = {isa = PBXBuildFile; fileRef = 3FF314E026FC74450012E68E /* UITestsFoundation.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		3FF314EA26FC751B0012E68E /* XCTest+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = F997173223DBCF2800592D8E /* XCTest+Extensions.swift */; };
@@ -4509,6 +4510,7 @@
 		3F587037281B9C50004F7556 /* es */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = es; path = es.lproj/InfoPlist.strings; sourceTree = "<group>"; };
 		3F587038281B9C52004F7556 /* sv */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = sv; path = sv.lproj/InfoPlist.strings; sourceTree = "<group>"; };
 		3F64F76C2C06A3A50085DEEF /* WooCommerce.release-alpha.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = "WooCommerce.release-alpha.xcconfig"; sourceTree = "<group>"; };
+		3F88EC3E2DF8D4BC0023A6F4 /* UIDevice+DeviceModelIdentifierInfo.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIDevice+DeviceModelIdentifierInfo.swift"; sourceTree = "<group>"; };
 		3FA96DF32C94043200CDA78F /* Yosemite.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = Yosemite.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		3FF314D626FC55DE0012E68E /* ScreenObject+Extension.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "ScreenObject+Extension.swift"; sourceTree = "<group>"; };
 		3FF314DE26FC74450012E68E /* UITestsFoundation.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = UITestsFoundation.framework; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -11131,6 +11133,7 @@
 				DE6906E627D74A1900735E3B /* WooSplitViewController.swift */,
 				26A7C8782BE91F3D00382627 /* WatchDependenciesSynchronizer.swift */,
 				26B249702BEC801400730730 /* WatchDependencies.swift */,
+				3F88EC3E2DF8D4BC0023A6F4 /* UIDevice+DeviceModelIdentifierInfo.swift */,
 			);
 			path = System;
 			sourceTree = "<group>";
@@ -16512,6 +16515,7 @@
 				02CE4304276993DA0006EAEF /* CaptureDevicePermissionChecker.swift in Sources */,
 				205B7ECD2C19FD2F00D14A36 /* PointOfSaleCardPresentPaymentDisplayReaderMessageMessageViewModel.swift in Sources */,
 				DEF8CF1F29AC870A00800A60 /* WPComEmailLoginViewModel.swift in Sources */,
+				3F88EC3F2DF8D4BC0023A6F4 /* UIDevice+DeviceModelIdentifierInfo.swift in Sources */,
 				74A33D8021C3F234009E25DE /* LicensesViewController.swift in Sources */,
 				454453CA27566CDE00464AC5 /* HubMenuViewModel.swift in Sources */,
 				934CB123224EAB150005CCB9 /* main.swift in Sources */,