Allow scanning QR code from selected wallet screen

ios/Cove.xcodeproj/project.pbxproj

@@ -52,6 +52,9 @@
 		AC6F511C2CA205EE00D4D27A /* StringOrData+Ext.swift in Sources */ = {isa = PBXBuildFile; fileRef = AC6F511B2CA205E900D4D27A /* StringOrData+Ext.swift */; };
 		AC6F511E2CA36C7600D4D27A /* BinaryDecoder.swift in Sources */ = {isa = PBXBuildFile; fileRef = AC6F511D2CA36C7100D4D27A /* BinaryDecoder.swift */; };
 		AC739D502CA09573006B5FF1 /* QrCodeImportScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = AC739D4F2CA09573006B5FF1 /* QrCodeImportScreen.swift */; };
+		AC73B5952CCEFC5A0003F537 /* QrCodeScanView.swift in Sources */ = {isa = PBXBuildFile; fileRef = AC73B5942CCEFC4C0003F537 /* QrCodeScanView.swift */; };
+		AC73B5972CCF289A0003F537 /* AppAlertState.swift in Sources */ = {isa = PBXBuildFile; fileRef = AC73B5962CCF28960003F537 /* AppAlertState.swift */; };
+		AC73B5992CCF2D6F0003F537 /* AppSheetState.swift in Sources */ = {isa = PBXBuildFile; fileRef = AC73B5982CCF2D6C0003F537 /* AppSheetState.swift */; };
 		AC757CBB2C6D277400F3F41C /* ReceiveView.swift in Sources */ = {isa = PBXBuildFile; fileRef = AC757CBA2C6D277400F3F41C /* ReceiveView.swift */; };
 		AC7DAC9A2C5ACA2800F9DDDB /* String+Ext.swift in Sources */ = {isa = PBXBuildFile; fileRef = AC7DAC992C5ACA2800F9DDDB /* String+Ext.swift */; };
 		AC8189542C4023F0004DCDF5 /* CustomCompletionView.swift in Sources */ = {isa = PBXBuildFile; fileRef = AC8189532C4023F0004DCDF5 /* CustomCompletionView.swift */; };
@@ -150,6 +153,9 @@
 		AC6F511D2CA36C7100D4D27A /* BinaryDecoder.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BinaryDecoder.swift; sourceTree = "<group>"; };
 		AC739D4F2CA09573006B5FF1 /* QrCodeImportScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = QrCodeImportScreen.swift; sourceTree = "<group>"; };
 		AC739D542CA09AD6006B5FF1 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist; path = Info.plist; sourceTree = "<group>"; };
+		AC73B5942CCEFC4C0003F537 /* QrCodeScanView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = QrCodeScanView.swift; sourceTree = "<group>"; };
+		AC73B5962CCF28960003F537 /* AppAlertState.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppAlertState.swift; sourceTree = "<group>"; };
+		AC73B5982CCF2D6C0003F537 /* AppSheetState.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppSheetState.swift; sourceTree = "<group>"; };
 		AC757CBA2C6D277400F3F41C /* ReceiveView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReceiveView.swift; sourceTree = "<group>"; };
 		AC7DAC992C5ACA2800F9DDDB /* String+Ext.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "String+Ext.swift"; sourceTree = "<group>"; };
 		AC8189532C4023F0004DCDF5 /* CustomCompletionView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CustomCompletionView.swift; sourceTree = "<group>"; };
@@ -415,10 +421,13 @@
 				ACCD58D32C5A89FC00CF06F9 /* AsyncPreview.swift */,
 				AC6F4CE22CC6BC24008D26C0 /* LoadAndResetView.swift */,
 				AC2B13522CA1EC0200C5C708 /* IdentifiableString.swift */,
+				AC73B5962CCF28960003F537 /* AppAlertState.swift */,
+				AC73B5982CCF2D6C0003F537 /* AppSheetState.swift */,
 				D0BE2EBD2C1614150055FCBE /* MainViewModel.swift */,
 				2B6032F09EA34DFDCB18090A /* RouteView.swift */,
 				AC49121A2C77B8A100ED8ED7 /* SecretWordsScreen.swift */,
 				048B2E5F01EEF26233C1161C /* ImportWalletViewModel.swift */,
+				AC73B5942CCEFC4C0003F537 /* QrCodeScanView.swift */,
 				AC6F4CE02CC5DAA9008D26C0 /* PresentableItem.swift */,
 				ACA4CBEB2C2328BE0008F63E /* Security.swift */,
 				AC34AC5B6A6EF5288E8B34DC /* WalletViewModel.swift */,
@@ -563,6 +572,9 @@
 				382288EEB9734474498ED7EE /* KeyboardObserver.swift in Sources */,
 				ACCB02CC2C9747AA00FB2EDF /* TransactionCapsule.swift in Sources */,
 				AC45C4A32C991C1F002C5AEB /* ConfirmationIndicatorView.swift in Sources */,
+				AC73B5992CCF2D6F0003F537 /* AppSheetState.swift in Sources */,
+				AC73B5952CCEFC5A0003F537 /* QrCodeScanView.swift in Sources */,
+				AC73B5972CCF289A0003F537 /* AppAlertState.swift in Sources */,
 				AC5F3CE52C9A188300469EBA /* FfiColorScheme.swift in Sources */,
 				AC8459BF2CA5DF4800A3083F /* ScannerView.swift in Sources */,
 				6B2189B893A545A2F4E3107E /* WalletColor+Ext.swift in Sources */,

ios/Cove/AppAlertState.swift

@@ -0,0 +1,47 @@
+//
+//  AppAlertState.swift
+//  Cove
+//
+//  Created by Praveen Perera on 10/27/24.
+//
+
+public enum AppAlertState {
+    case invalidWordGroup
+    case duplicateWallet(WalletId)
+    case errorImportingHotWallet(String)
+    case importedSuccessfully
+    case unableToSelectWallet
+    case errorImportingHardwareWallet(String)
+    case invalidFileFormat(String)
+    case addressWrongNetwork(address: Address, network: Network, currentNetwork: Network)
+    case noWalletSelected(Address)
+    case foundAddress(Address)
+    case noCameraPermission
+
+    func title() -> String {
+        switch self {
+        case .invalidWordGroup:
+            return "Words Not Valid"
+        case .duplicateWallet:
+            return "Duplicate Wallet"
+        case .errorImportingHotWallet:
+            return "Error"
+        case .importedSuccessfully:
+            return "Success"
+        case .unableToSelectWallet:
+            return "Error"
+        case .errorImportingHardwareWallet:
+            return "Error Importing Hardware Wallet"
+        case .invalidFileFormat:
+            return "Invalid File Format"
+        case .addressWrongNetwork:
+            return "Wrong Network"
+        case .noWalletSelected:
+            return "No Wallet Selected"
+        case .foundAddress:
+            return "Found Address"
+        case .noCameraPermission:
+            return "Camera Access is Required"
+        }
+    }
+}

ios/Cove/AppSheetState.swift

@@ -0,0 +1,10 @@
+//
+//  AppSheetState.swift
+//  Cove
+//
+//  Created by Praveen Perera on 10/27/24.
+//
+
+public enum AppSheetState {
+    case qr
+}

ios/Cove/CoveApp.swift

@@ -24,49 +24,11 @@ struct CoveApp: App {
     @State var model: MainViewModel
     @State var id = UUID()
 
-    // PRIVATE
-    @State private var alert: PresentableItem<AlertState>? = .none
-
-    private enum AlertState {
-        case invalidWordGroup
-        case duplicateWallet(WalletId)
-        case errorImportingHotWallet(String)
-        case importedSuccessfully
-        case unableToSelectWallet
-        case errorImportingHardwareWallet(String)
-        case invalidFileFormat(String)
-        case addressWrongNetwork(address: Address, network: Network, currentNetwork: Network)
-        case noWalletSelected(Address)
-        case foundAddress(Address)
-
-        func title() -> String {
-            switch self {
-            case .invalidWordGroup:
-                return "Words Not Valid"
-            case .duplicateWallet:
-                return "Duplicate Wallet"
-            case .errorImportingHotWallet:
-                return "Error"
-            case .importedSuccessfully:
-                return "Success"
-            case .unableToSelectWallet:
-                return "Error"
-            case .errorImportingHardwareWallet:
-                return "Error Importing Hardware Wallet"
-            case .invalidFileFormat:
-                return "Invalid File Format"
-            case .addressWrongNetwork:
-                return "Wrong Network"
-            case .noWalletSelected:
-                return "No Wallet Selected"
-            case .foundAddress:
-                return "Found Address"
-            }
-        }
-    }
+    @State var alert: PresentableItem<AppAlertState>? = .none
+    @State var scannedCode: IdentifiableString? = .none
 
     @ViewBuilder
-    private func alertMessage(alert: PresentableItem<AlertState>) -> some View {
+    private func alertMessage(alert: PresentableItem<AppAlertState>) -> some View {
         let text = {
             switch alert.item {
             case .invalidWordGroup:
@@ -90,14 +52,16 @@ struct CoveApp: App {
                 return "No Wallet Selected"
             case .foundAddress:
                 return "Found Address"
+            case .noCameraPermission:
+                return "Please allow camera access in Settings to use this feature."
             }
         }()
 
         Text(text)
     }
 
     @ViewBuilder
-    private func alertButtons(alert: PresentableItem<AlertState>) -> some View {
+    private func alertButtons(alert: PresentableItem<AppAlertState>) -> some View {
         switch alert.item {
         case let .duplicateWallet(walletId):
             Button("OK") {
@@ -141,6 +105,12 @@ struct CoveApp: App {
             Button("Cancel") {
                 self.alert = .none
             }
+        case .noCameraPermission:
+            Button("OK") {
+                self.alert = .none
+                let url = URL(string: UIApplication.openSettingsURLString)!
+                UIApplication.shared.open(url)
+            }
         }
     }
 
@@ -229,14 +199,19 @@ struct CoveApp: App {
         let selectedWallet = Database().globalConfig().selectedWallet()
 
         if selectedWallet == nil {
-            return alert = PresentableItem(AlertState.noWalletSelected(address))
+            alert = PresentableItem(AppAlertState.noWalletSelected(address))
+            return
         }
 
         if network != currentNetwork {
-            return alert = PresentableItem(AlertState.addressWrongNetwork(address: address, network: network, currentNetwork: currentNetwork))
+            alert = PresentableItem(
+                AppAlertState.addressWrongNetwork(
+                    address: address, network: network, currentNetwork: currentNetwork
+                ))
+            return
         }
 
-        return alert = PresentableItem(.foundAddress(address))
+        alert = PresentableItem(.foundAddress(address))
     }
 
     func handleFileOpen(_ url: URL) {
@@ -268,16 +243,39 @@ struct CoveApp: App {
                 Log.error("File not found")
 
             default:
-                ()
+                Log.error("Unknown error file handling file: \(error)")
+            }
+        }
+    }
+
+    func handleScannedCode(_ stringOrData: StringOrData) {
+        do {
+            let multiFormat = try stringOrData.toMultiFormat()
+            switch multiFormat {
+            case let .mnemonic(mnemonic):
+                importHotWallet(mnemonic.words())
+            case let .hardwareExport(export):
+                importColdWallet(export)
+            case let .address(addressWithNetwork):
+                handleAddress(addressWithNetwork)
+            }
+        } catch {
+            switch error {
+            case let FileHandlerError.NotRecognizedFormat(multiFormatError):
+                Log.error("Unrecognized format mulit format error: \(multiFormatError)")
+                alert = PresentableItem(.invalidFileFormat(multiFormatError.localizedDescription))
+
+            default:
+                Log.error("Unable to handle scanned code, error: \(error)")
             }
         }
     }
 
     @ViewBuilder
-    func SheetContent(_ state: MainViewModel.SheetState) -> some View {
-        switch state {
+    func SheetContent(_ state: PresentableItem<AppSheetState>) -> some View {
+        switch state.item {
         case .qr:
-            Text("QR")
+            QrCodeScanView(app: $model, alert: $alert, scannedCode: $scannedCode)
         }
     }
 
@@ -327,6 +325,10 @@ struct CoveApp: App {
             .onChange(of: model.selectedNetwork) {
                 id = UUID()
             }
+            .onChange(of: scannedCode) { _, scannedCode in
+                guard let scannedCode else { return }
+                handleScannedCode(StringOrData(scannedCode.value))
+            }
             .alert(
                 alert?.item.title() ?? "Alert",
                 isPresented: showingAlert,

ios/Cove/Extention/StringOrData+Ext.swift

@@ -1,5 +1,5 @@
 //
-//  FfiScanResultData.swift
+//  StringOrData+Ext.swift
 //  Cove
 //
 //  Created by Praveen Perera on 9/23/24.
@@ -24,4 +24,8 @@ extension StringOrData {
     init(_ value: Data) {
         self.self = .data(value)
     }
+
+    func toMultiFormat() throws -> MultiFormat {
+        try stringOrDataTryIntoMultiFormat(stringOrData: self)
+    }
 }

ios/Cove/HomeScreens/SelectedWalletScreen.swift

@@ -188,7 +188,7 @@ struct SelectedWalletScreenInner: View {
                         }
 
                         Button(action: {
-                            sheetState = PresentableItem(.settings)
+                            app.sheetState = PresentableItem(.qr)
                         }) {
                             HStack {
                                 Image(systemName: "qrcode")

ios/Cove/MainViewModel.swift

@@ -13,18 +13,14 @@ import SwiftUI
     var colorSchemeSelection = Database().globalConfig().colorScheme()
     var selectedNode = Database().globalConfig().selectedNode()
 
-    var sheetState: PresentableItem<SheetState>? = .none
+    var sheetState: PresentableItem<AppSheetState>? = .none
 
     // changed when route is reset, to clear lifecycle view state
     var routeId = UUID()
 
     @ObservationIgnored
     weak var walletViewModel: WalletViewModel?
 
-    enum SheetState {
-        case qr
-    }
-
     public var selectedNetwork: Network {
         rust.network()
     }

ios/Cove/NewWalletFlow/ColdWallet/QrCodeImportScreen.swift

@@ -278,7 +278,3 @@ struct HelpView: View {
     QrCodeImportScreen()
         .environment(MainViewModel())
 }
-
-#Preview("help") {
-    HelpView()
-}