Cancellation install or update app in hub

Author: Programistich

Flipper/Packages/Core/Sources/Applications/Applications.swift

@@ -12,6 +12,7 @@ public class Applications: ObservableObject {
     public typealias Application = Catalog.Application
 
     private var categories: [Category] = []
+    private var taskStorage: [Application.ID: Task<Void, Never>] = [:]
 
     public enum InstalledStatus {
         case loading
@@ -117,30 +118,40 @@ public class Applications: ObservableObject {
     }
 
     public func install(_ application: Application) async {
-        do {
-            statuses[application.id] = .installing(0)
-            try await _install(application) { progress in
-                Task {
-                    statuses[application.id] = .installing(progress)
+        taskStorage[application.id]?.cancel()
+
+        taskStorage[application.id] = Task {
+            do {
+                statuses[application.id] = .installing(0)
+                try await _install(application) { progress in
+                    Task {
+                        statuses[application.id] = .installing(progress)
+                    }
                 }
+                statuses[application.id] = .installed
+            } catch {
+                logger.error("install app: \(error)")
             }
-            statuses[application.id] = .installed
-        } catch {
-            logger.error("install app: \(error)")
+            taskStorage[application.id] = nil
         }
     }
 
     public func update(_ application: Application) async {
-        do {
-            statuses[application.id] = .updating(0)
-            try await _install(application) { progress in
-                Task {
-                    statuses[application.id] = .updating(progress)
+        taskStorage[application.id]?.cancel()
+
+        taskStorage[application.id] = Task {
+            do {
+                statuses[application.id] = .updating(0)
+                try await _install(application) { progress in
+                    Task {
+                        statuses[application.id] = .updating(progress)
+                    }
                 }
+                statuses[application.id] = .installed
+            } catch {
+                logger.error("update app: \(error)")
             }
-            statuses[application.id] = .installed
-        } catch {
-            logger.error("update app: \(error)")
+            taskStorage[application.id] = nil
         }
     }
 
@@ -163,6 +174,26 @@ public class Applications: ObservableObject {
         }
     }
 
+    public func cancel(_ id: Application.ID) async {
+        guard
+            let status = statuses[id],
+            let task = taskStorage[id]
+        else { return }
+
+        guard status.hasCancelOpportunity else { return }
+        task.cancel()
+
+        switch status {
+        case .updating:
+            statuses[id] = .outdated
+        case .installing:
+            installed.removeAll { $0.id == id }
+            statuses[id] = .notInstalled
+        default:
+            return
+        }
+    }
+
     public enum OpenAppStatus {
         case success
         case busy
@@ -402,6 +433,14 @@ public class Applications: ObservableObject {
             case .checking: return 8
             }
         }
+
+        public var hasCancelOpportunity: Bool {
+            switch self {
+            case .installing: return true
+            case .updating: return true
+            default: return false
+            }
+        }
     }
 
     public var hasOpenAppSupport: Bool {

Flipper/Packages/UI/Sources/Hub/Apps/AppView/AppView+Buttons.swift

@@ -25,7 +25,12 @@ extension AppView {
 
         var body: some View {
             HStack(alignment: .center, spacing: 12) {
-                if canDelete {
+                if status.hasCancelOpportunity {
+                    CancelProgressAppButton {
+                        cancel()
+                    }
+                    .frame(width: 46, height: 46)
+                } else if canDelete {
                     DeleteAppButton {
                         confirmDelete = true
                     }
@@ -122,6 +127,12 @@ extension AppView {
             }
         }
 
+        func cancel() {
+            Task {
+                await model.cancel(application.id)
+            }
+        }
+
         func openApp() {
             Task {
                 await model.openApp(by: application.id) { result in

Flipper/Packages/UI/Sources/Hub/Apps/Components/AppRow.swift

@@ -33,17 +33,24 @@ struct AppRow: View {
                 .disabled(!isBuildReady)
 
                 if isInstalled {
-                    DeleteAppButton {
-                        showConfirmDelete = true
-                    }
-                    .frame(width: 34, height: 34)
-                    .alert(isPresented: $showConfirmDelete) {
-                        ConfirmDeleteAppAlert(
-                            isPresented: $showConfirmDelete,
-                            application: application,
-                            category: model.category(for: application)
-                        ) {
-                            delete()
+                    if status.hasCancelOpportunity {
+                        CancelProgressAppButton {
+                            cancel()
+                        }
+                        .frame(width: 34, height: 34)
+                    } else  {
+                        DeleteAppButton {
+                            showConfirmDelete = true
+                        }
+                        .frame(width: 34, height: 34)
+                        .alert(isPresented: $showConfirmDelete) {
+                            ConfirmDeleteAppAlert(
+                                isPresented: $showConfirmDelete,
+                                application: application,
+                                category: model.category(for: application)
+                            ) {
+                                delete()
+                            }
                         }
                     }
                 }
@@ -69,6 +76,12 @@ struct AppRow: View {
         }
     }
 
+    func cancel() {
+        Task {
+            await model.cancel(application.id)
+        }
+    }
+
     struct AppRowActionButton: View {
         @EnvironmentObject var model: Applications
         @EnvironmentObject var device: Device

Flipper/Packages/UI/Sources/Hub/Apps/Components/Buttons.swift

@@ -52,15 +52,16 @@ struct UpdateAllAppButton: View {
     }
 }
 
-struct DeleteAppButton: View {
-    var action: () -> Void
+private struct ActionAppButton: View {
+    let image: String
+    let action: () -> Void
 
     var body: some View {
         Button {
             action()
         } label: {
             GeometryReader { proxy in
-                Image("AppDelete")
+                Image(image)
                     .resizable()
                     .frame(
                         width: proxy.size.width,
@@ -70,6 +71,22 @@ struct DeleteAppButton: View {
     }
 }
 
+struct DeleteAppButton: View {
+    var action: () -> Void
+
+    var body: some View {
+        ActionAppButton(image: "AppDelete", action: action)
+    }
+}
+
+struct CancelProgressAppButton: View {
+    var action: () -> Void
+
+    var body: some View {
+        ActionAppButton(image: "AppCancel", action: action)
+    }
+}
+
 struct InstallAppButton: View {
     var action: () -> Void
 

Flipper/Shared/Assets.xcassets/Apps/AppCancel.imageset/AppCancel.svg

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "AppCancel.svg",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}