[ADD] WIP: Add My Apps view with support for sideloading new apps, refreshing installed apps and much more

AltStore/Views/My Apps/AppAction.swift

@@ -0,0 +1,53 @@
+//
+//  AppAction.swift
+//  SideStore
+//
+//  Created by Fabian Thies on 20.12.22.
+//  Copyright © 2022 SideStore. All rights reserved.
+//
+
+import Foundation
+
+enum AppAction: Int, CaseIterable {
+    case install, open, refresh
+    case activate, deactivate
+    case remove
+    case enableJIT
+    case backup, exportBackup, restoreBackup
+    case chooseCustomIcon, resetCustomIcon
+    
+    
+    var title: String {
+        switch self {
+        case .install: return "Install"
+        case .open: return "Open"
+        case .refresh: return "Refresh"
+        case .activate: return "Activate"
+        case .deactivate: return "Deactivate"
+        case .remove: return "Remove"
+        case .enableJIT: return "Enable JIT"
+        case .backup: return "Back Up"
+        case .exportBackup: return "Export Backup"
+        case .restoreBackup: return "Restore Backup"
+        case .chooseCustomIcon: return "Change Icon"
+        case .resetCustomIcon: return "Reset Icon"
+        }
+    }
+    
+    var imageName: String {
+        switch self {
+        case .install: return "Install"
+        case .open: return "arrow.up.forward.app"
+        case .refresh: return "arrow.clockwise"
+        case .activate: return "checkmark.circle"
+        case .deactivate: return "xmark.circle"
+        case .remove: return "trash"
+        case .enableJIT: return "bolt"
+        case .backup: return "doc.on.doc"
+        case .exportBackup: return "arrow.up.doc"
+        case .restoreBackup: return "arrow.down.doc"
+        case .chooseCustomIcon: return "photo"
+        case .resetCustomIcon: return "arrow.uturn.left"
+        }
+    }
+}

AltStore/Views/My Apps/MyAppsView.swift

@@ -7,16 +7,378 @@
 //
 
 import SwiftUI
+import MobileCoreServices
+import AltStoreCore
 
 struct MyAppsView: View {
+    
+    // TODO: Refactor
+    @SwiftUI.FetchRequest(sortDescriptors: [
+        NSSortDescriptor(keyPath: \InstalledApp.storeApp?.versionDate, ascending: true),
+        NSSortDescriptor(keyPath: \InstalledApp.name, ascending: true)
+    ], predicate: NSPredicate(format: "%K == YES AND %K != nil AND %K != %K",
+                              #keyPath(InstalledApp.isActive), #keyPath(InstalledApp.storeApp), #keyPath(InstalledApp.version), #keyPath(InstalledApp.storeApp.version)))
+    var updates: FetchedResults<InstalledApp>
+    
+    
+    @SwiftUI.FetchRequest(sortDescriptors: [
+        NSSortDescriptor(keyPath: \InstalledApp.expirationDate, ascending: true),
+        NSSortDescriptor(keyPath: \InstalledApp.refreshedDate, ascending: false),
+        NSSortDescriptor(keyPath: \InstalledApp.name, ascending: true)
+    ], predicate: NSPredicate(format: "%K == YES", #keyPath(InstalledApp.isActive)))
+    var activeApps: FetchedResults<InstalledApp>
+    
+    @ObservedObject
+    var viewModel = MyAppsViewModel()
+    
+    // TODO: Refactor
+    @State var isShowingFilePicker: Bool = false
+    @State var selectedSideloadingIpaURL: URL?
+    
+    var remainingAppIDs: Int {
+        guard let team = DatabaseManager.shared.activeTeam() else {
+            return 0
+        }
+        
+        let maximumAppIDCount = 10
+        return max(maximumAppIDCount - team.appIDs.count, 0)
+    }
+    
+    // TODO: Refactor
+    let sideloadFileTypes: [String] = {
+        if let types = UTTypeCreateAllIdentifiersForTag(kUTTagClassFilenameExtension, "ipa" as CFString, nil)?.takeRetainedValue()
+        {
+            return (types as NSArray).map { $0 as! String }
+        }
+        else
+        {
+            return ["com.apple.itunes.ipa"] // Declared by the system.
+        }
+    }()
+    
+    
     var body: some View {
         ScrollView {
-            LazyVStack {
+            LazyVStack(spacing: 16) {
+                if let progress = SideloadingManager.shared.progress {
+                    VStack {
+                        Text("Sideloading in progress...")
+                            .padding()
+                        
+                        ProgressView(progress)
+                            .progressViewStyle(LinearProgressViewStyle())
+                    }
+                    .background(Color(UIColor.secondarySystemBackground))
+                }
                 
+                updatesSection
+                
+                HStack {
+                    Text("Active")
+                        .font(.title2)
+                        .bold()
+                    Spacer()
+                    SwiftUI.Button {
+                        
+                    } label: {
+                        Text("Refresh All")
+                    }
+                }
+                
+                ForEach(activeApps, id: \.bundleIdentifier) { app in
+                    
+                    if let storeApp = app.storeApp {
+                        NavigationLink {
+                            AppDetailView(storeApp: storeApp)
+                        } label: {
+                            self.rowView(for: app)
+                        }
+                        .buttonStyle(PlainButtonStyle())
+                    } else {
+                        self.rowView(for: app)
+                    }
+                }
+                
+                VStack {
+                    Text("\(remainingAppIDs) App IDs Remaining")
+                        .foregroundColor(.secondary)
+                    
+                    SwiftUI.Button {
+                        
+                    } label: {
+                        Text("View App IDs")
+                    }
+                }
             }
+            .padding(.horizontal)
         }
         .background(Color(UIColor.systemGroupedBackground).ignoresSafeArea())
         .navigationTitle("My Apps")
+        .toolbar {
+            ToolbarItem(placement: .navigationBarLeading) {
+                SwiftUI.Button {
+                    self.isShowingFilePicker = true
+                } label: {
+                    Image(systemName: "plus")
+                        .imageScale(.large)
+                }
+                .sheet(isPresented: self.$isShowingFilePicker) {
+                    DocumentPicker(selectedUrl: $selectedSideloadingIpaURL, supportedTypes: sideloadFileTypes)
+                        .ignoresSafeArea()
+                }
+                .onChange(of: self.selectedSideloadingIpaURL) { newValue in
+                    guard let url = newValue else {
+                        return
+                    }
+                    
+                    self.sideloadApp(at: url)
+                }
+            }
+        }
+    }
+    
+    var updatesSection: some View {
+        Text("No Updates Available")
+            .font(.headline)
+            .bold()
+            .foregroundColor(.secondary)
+            .opacity(0.8)
+            .padding()
+            .frame(maxWidth: .infinity)
+            .tintedBackground(.accentColor)
+            .clipShape(RoundedRectangle(cornerRadius: 30, style: .circular))
+    }
+    
+    @ViewBuilder
+    func rowView(for app: AppProtocol) -> some View {
+        AppRowView(app: app, showRemainingDays: true)
+            .contextMenu(ContextMenu(menuItems: {
+                ForEach(self.actions(for: app), id: \.self) { action in
+                    SwiftUI.Button {
+                        self.perform(action: action, for: app)
+                    } label: {
+                        Label(action.title, systemImage: action.imageName)
+                    }
+                }
+            }))
+    }
+    
+    func refreshAllApps() {
+        let installedApps = InstalledApp.fetchAppsForRefreshingAll(in: DatabaseManager.shared.viewContext)
+        
+        self.refresh(installedApps) { result in }
+    }
+}
+
+
+extension MyAppsView {
+    // TODO: Convert to async
+    func refresh(_ apps: [InstalledApp], completionHandler: @escaping ([String : Result<InstalledApp, Error>]) -> Void) {
+        let group = AppManager.shared.refresh(apps, presentingViewController: nil, group: self.viewModel.refreshGroup)
+        
+        group.completionHandler = { results in
+            DispatchQueue.main.async {
+                let failures = results.compactMapValues { result -> Error? in
+                    switch result {
+                    case .failure(OperationError.cancelled):
+                        return nil
+                    case .failure(let error):
+                        return error
+                    case .success:
+                        return nil
+                    }
+                }
+                
+                guard !failures.isEmpty else { return }
+                
+                if let failure = failures.first, results.count == 1 {
+                    NotificationManager.shared.reportError(error: failure.value)
+                } else {
+                    // TODO: Localize
+                    let title = "Failed to refresh \(failures.count) apps."
+                    
+                    let error = failures.first?.value as NSError?
+                    let message = error?.localizedFailure ?? error?.localizedFailureReason ?? error?.localizedDescription
+                    
+                    NotificationManager.shared.showNotification(title: title, detailText: message)
+                }
+            }
+            
+            self.viewModel.refreshGroup = nil
+            completionHandler(results)
+        }
+        
+        self.viewModel.refreshGroup = group
+    }
+}
+
+extension MyAppsView {
+    func actions(for app: AppProtocol) -> [AppAction] {
+        guard let installedApp = app as? InstalledApp else {
+            return []
+        }
+        
+        guard installedApp.bundleIdentifier != StoreApp.altstoreAppID else {
+            return [.refresh]
+        }
+        
+        var actions: [AppAction] = []
+        
+        if installedApp.isActive {
+            actions.append(.open)
+            actions.append(.refresh)
+            actions.append(.enableJIT)
+        } else {
+            actions.append(.activate)
+        }
+        
+        actions.append(.chooseCustomIcon)
+        if installedApp.hasAlternateIcon {
+            actions.append(.resetCustomIcon)
+        }
+        
+        if installedApp.isActive {
+            actions.append(.backup)
+        } else if let _ = UTTypeCopyDeclaration(installedApp.installedAppUTI as CFString)?.takeRetainedValue() as NSDictionary?, !UserDefaults.standard.isLegacyDeactivationSupported {
+            // Allow backing up inactive apps if they are still installed,
+            // but on an iOS version that no longer supports legacy deactivation.
+            // This handles edge case where you can't install more apps until you
+            // delete some, but can't activate inactive apps again to back them up first.
+            actions.append(.backup)
+        }
+        
+        if let backupDirectoryURL = FileManager.default.backupDirectoryURL(for: installedApp) {
+            
+            // TODO: Refactor
+            var backupExists = false
+            var outError: NSError? = nil
+            
+            let coordinator = NSFileCoordinator()
+            coordinator.coordinate(readingItemAt: backupDirectoryURL, options: [.withoutChanges], error: &outError) { (backupDirectoryURL) in
+                backupExists = FileManager.default.fileExists(atPath: backupDirectoryURL.path)
+            }
+            
+            if backupExists {
+                actions.append(.exportBackup)
+                
+                if installedApp.isActive {
+                    actions.append(.restoreBackup)
+                }
+            } else if let error = outError {
+                print("Unable to check if backup exists:", error)
+            }
+        }
+        
+        if installedApp.isActive {
+            actions.append(.deactivate)
+        }
+        
+        if installedApp.bundleIdentifier != StoreApp.altstoreAppID {
+            actions.append(.remove)
+        }
+        
+        return actions
+    }
+    
+    func perform(action: AppAction, for app: AppProtocol) {
+        guard let installedApp = app as? InstalledApp else {
+            // Invalid state.
+            return
+        }
+        
+        switch action {
+        case .install: break
+        case .open: self.open(installedApp)
+        case .refresh: self.refresh(installedApp)
+        case .activate: self.activate(installedApp)
+        case .deactivate: self.deactivate(installedApp)
+        case .remove: self.remove(installedApp)
+        case .enableJIT: self.enableJIT(for: installedApp)
+        case .backup: self.backup(installedApp)
+        case .exportBackup: self.exportBackup(installedApp)
+        case .restoreBackup: self.restoreBackup(installedApp)
+        case .chooseCustomIcon: self.chooseIcon(for: installedApp)
+        case .resetCustomIcon: self.resetIcon(for: installedApp)
+        }
+    }
+    
+    
+    func open(_ app: InstalledApp) {
+        UIApplication.shared.open(app.openAppURL) { success in
+            guard !success else { return }
+            
+            NotificationManager.shared.reportError(error: OperationError.openAppFailed(name: app.name))
+        }
+    }
+    
+    func refresh(_ app: InstalledApp) {
+        let previousProgress = AppManager.shared.refreshProgress(for: app)
+        guard previousProgress == nil else {
+            previousProgress?.cancel()
+            return
+        }
+        
+        self.refresh([app]) { (results) in
+            print("Finished refreshing with results:", results.map { ($0, $1.error?.localizedDescription ?? "success") })
+        }
+    }
+    
+    func activate(_ app: InstalledApp) {
+        
+    }
+    
+    func deactivate(_ app: InstalledApp) {
+        
+    }
+    
+    func remove(_ app: InstalledApp) {
+        
+    }
+    
+    func enableJIT(for app: InstalledApp) {
+        AppManager.shared.enableJIT(for: app) { result in
+            switch result {
+            case .success:
+                break
+            case .failure(let error):
+                NotificationManager.shared.reportError(error: error)
+            }
+        }
+    }
+    
+    func backup(_ app: InstalledApp) {
+        
+    }
+    
+    func exportBackup(_ app: InstalledApp) {
+        
+    }
+    
+    func restoreBackup(_ app: InstalledApp) {
+        
+    }
+    
+    func chooseIcon(for app: InstalledApp) {
+        
+    }
+    
+    func resetIcon(for app: InstalledApp) {
+        
+    }
+    
+    func setIcon(for app: InstalledApp, to image: UIImage? = nil) {
+        
+    }
+    
+    func sideloadApp(at url: URL) {
+        SideloadingManager.shared.sideloadApp(at: url) { result in
+            switch result {
+            case .success:
+                print("App sideloaded successfully.")
+            case .failure(let error):
+                print("Failed to sideload app: \(error.localizedDescription)")
+            }
+        }
     }
 }
 

AltStore/Views/My Apps/MyAppsViewModel.swift

@@ -0,0 +1,16 @@
+//
+//  MyAppsViewModel.swift
+//  SideStore
+//
+//  Created by Fabian Thies on 13.12.22.
+//  Copyright © 2022 SideStore. All rights reserved.
+//
+
+import SwiftUI
+import AltStoreCore
+
+class MyAppsViewModel: ViewModel {
+    
+    var refreshGroup: RefreshGroup?
+    
+}