Inform user of compatibility before proceeding

Mist.xcodeproj/project.pbxproj

@@ -63,7 +63,7 @@
 		3935F4852866B64900760AB0 /* MistTaskSection.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3935F4842866B64900760AB0 /* MistTaskSection.swift */; };
 		3935F4892866C68000760AB0 /* DownloadSectionHeaderView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3935F4882866C68000760AB0 /* DownloadSectionHeaderView.swift */; };
 		3935F48E2869278200760AB0 /* InstallerExportType.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3935F48D2869278100760AB0 /* InstallerExportType.swift */; };
-		3935F490286976D000760AB0 /* AlertType.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3935F48F286976D000760AB0 /* AlertType.swift */; };
+		3935F490286976D000760AB0 /* ProgressAlertType.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3935F48F286976D000760AB0 /* ProgressAlertType.swift */; };
 		3935F49D286ABE4D00760AB0 /* FooterView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3935F49C286ABE4D00760AB0 /* FooterView.swift */; };
 		3935F49F286AC32C00760AB0 /* ListRow.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3935F49E286AC32C00760AB0 /* ListRow.swift */; };
 		3935F4A2286ACD4D00760AB0 /* InstallerExportViewItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3935F4A1286ACD4D00760AB0 /* InstallerExportViewItem.swift */; };
@@ -84,6 +84,7 @@
 		393F35BC28641181005B7165 /* RefreshState.swift in Sources */ = {isa = PBXBuildFile; fileRef = 393F35BB28641181005B7165 /* RefreshState.swift */; };
 		393F35BE2864197F005B7165 /* PrivilegedHelperTool.swift in Sources */ = {isa = PBXBuildFile; fileRef = 393F35BD2864197F005B7165 /* PrivilegedHelperTool.swift */; };
 		393F35C228641E1F005B7165 /* HeaderView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 393F35C128641E1F005B7165 /* HeaderView.swift */; };
+		395DCD16287FE36E00C411CE /* DownloadAlertType.swift in Sources */ = {isa = PBXBuildFile; fileRef = 395DCD15287FE36E00C411CE /* DownloadAlertType.swift */; };
 		398734C428600E6E00B4C357 /* TaskManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 398734C328600E6E00B4C357 /* TaskManager.swift */; };
 		398734C6286011C300B4C357 /* Validator.swift in Sources */ = {isa = PBXBuildFile; fileRef = 398734C5286011C300B4C357 /* Validator.swift */; };
 		398734C828601FFC00B4C357 /* FileMover.swift in Sources */ = {isa = PBXBuildFile; fileRef = 398734C728601FFC00B4C357 /* FileMover.swift */; };
@@ -211,7 +212,7 @@
 		3935F4842866B64900760AB0 /* MistTaskSection.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MistTaskSection.swift; sourceTree = "<group>"; };
 		3935F4882866C68000760AB0 /* DownloadSectionHeaderView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DownloadSectionHeaderView.swift; sourceTree = "<group>"; };
 		3935F48D2869278100760AB0 /* InstallerExportType.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = InstallerExportType.swift; sourceTree = "<group>"; };
-		3935F48F286976D000760AB0 /* AlertType.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AlertType.swift; sourceTree = "<group>"; };
+		3935F48F286976D000760AB0 /* ProgressAlertType.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProgressAlertType.swift; sourceTree = "<group>"; };
 		3935F49C286ABE4D00760AB0 /* FooterView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FooterView.swift; sourceTree = "<group>"; };
 		3935F49E286AC32C00760AB0 /* ListRow.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ListRow.swift; sourceTree = "<group>"; };
 		3935F4A1286ACD4D00760AB0 /* InstallerExportViewItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = InstallerExportViewItem.swift; sourceTree = "<group>"; };
@@ -228,6 +229,7 @@
 		393F35BB28641181005B7165 /* RefreshState.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RefreshState.swift; sourceTree = "<group>"; };
 		393F35BD2864197F005B7165 /* PrivilegedHelperTool.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PrivilegedHelperTool.swift; sourceTree = "<group>"; };
 		393F35C128641E1F005B7165 /* HeaderView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HeaderView.swift; sourceTree = "<group>"; };
+		395DCD15287FE36E00C411CE /* DownloadAlertType.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DownloadAlertType.swift; sourceTree = "<group>"; };
 		398734C328600E6E00B4C357 /* TaskManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TaskManager.swift; sourceTree = "<group>"; };
 		398734C5286011C300B4C357 /* Validator.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Validator.swift; sourceTree = "<group>"; };
 		398734C728601FFC00B4C357 /* FileMover.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FileMover.swift; sourceTree = "<group>"; };
@@ -382,11 +384,11 @@
 		390451C32856E4A500E0B563 /* Model */ = {
 			isa = PBXGroup;
 			children = (
-				3935F48F286976D000760AB0 /* AlertType.swift */,
 				390451E428574F0000E0B563 /* Catalog.swift */,
 				39CF4E722859C03D009E708C /* CatalogRow.swift */,
 				398734CB28603D5F00B4C357 /* Chunklist.swift */,
 				398734CD28603D7F00B4C357 /* Chunk.swift */,
+				395DCD15287FE36E00C411CE /* DownloadAlertType.swift */,
 				390451CD2856F42800E0B563 /* DownloadType.swift */,
 				390451D928573ADC00E0B563 /* ExportListType.swift */,
 				390451B82856E24200E0B563 /* Firmware.swift */,
@@ -399,6 +401,7 @@
 				39252A98285BFE2C00956C74 /* MistTaskState.swift */,
 				39252A96285BF8BC00956C74 /* MistTaskType.swift */,
 				390451D32856F74B00E0B563 /* Package.swift */,
+				3935F48F286976D000760AB0 /* ProgressAlertType.swift */,
 				393F35BB28641181005B7165 /* RefreshState.swift */,
 			);
 			path = Model;
@@ -730,7 +733,7 @@
 				398734C6286011C300B4C357 /* Validator.swift in Sources */,
 				39252ABB285C7D3800956C74 /* SettingsInstallersCatalogsView.swift in Sources */,
 				393D8029286EB4D6008AA8E3 /* EmptyCollectionView.swift in Sources */,
-				3935F490286976D000760AB0 /* AlertType.swift in Sources */,
+				3935F490286976D000760AB0 /* ProgressAlertType.swift in Sources */,
 				39FF05F62859850F00A86670 /* SettingsFirmwaresView.swift in Sources */,
 				3935F4A6286AD3E100760AB0 /* DownloadHeaderView.swift in Sources */,
 				3935F480286551FB00760AB0 /* Double+Extension.swift in Sources */,
@@ -792,6 +795,7 @@
 				390451E1285740E800E0B563 /* Sequence+Extension.swift in Sources */,
 				398734D4286046B000B4C357 /* UInt32+Extension.swift in Sources */,
 				390451D42856F74B00E0B563 /* Package.swift in Sources */,
+				395DCD16287FE36E00C411CE /* DownloadAlertType.swift in Sources */,
 				39CF560028619147006FB5D2 /* HelperToolCommandType.swift in Sources */,
 				39252A87285ACE9C00956C74 /* FooterText.swift in Sources */,
 				3935F48E2869278200760AB0 /* InstallerExportType.swift in Sources */,

Mist/Model/DownloadAlertType.swift

@@ -0,0 +1,13 @@
+//
+//  DownloadAlertType.swift
+//  Mist
+//
+//  Created by Nindi Gill on 14/7/2022.
+//
+
+import Foundation
+
+enum DownloadAlertType: String {
+    case compatibility = "Compatiblity"
+    case helperTool = "Helper Tool"
+}

Mist/Model/ProgressAlertType.swift

@@ -1,5 +1,5 @@
 //
-//  AlertType.swift
+//  ProgressAlertType.swift
 //  Mist
 //
 //  Created by Nindi Gill on 27/6/2022.
@@ -7,7 +7,7 @@
 
 import Foundation
 
-enum AlertType: String {
+enum ProgressAlertType: String {
     case cancel = "Cancel"
     case error = "Error"
 }

Mist/Views/Download/DownloadView.swift

@@ -24,7 +24,7 @@ struct DownloadView: View {
     @ObservedObject var taskManager: TaskManager
     @State private var value: Double = 0
     @State private var showAlert: Bool = false
-    @State private var alertType: AlertType = .cancel
+    @State private var alertType: ProgressAlertType = .cancel
     @State private var error: MistError?
     @State private var degrees: CGFloat = 0
     @State private var timer: Publishers.Autoconnect<Timer.TimerPublisher> = Timer.publish(every: 0.1, on: .main, in: .common).autoconnect()

Mist/Views/List/FirmwareListRow.swift

@@ -20,13 +20,14 @@ struct FirmwareListRow: View {
 
     var body: some View {
         ListRow(
+            type: .firmware,
             image: firmware.imageName,
             version: firmware.version,
             build: firmware.build,
             beta: firmware.beta,
             date: firmware.formattedDate,
             size: firmware.size.bytesString(),
-            alertMessage: "The Mist Privileged Helper Tool is required to perform Administrator tasks when downloading macOS Firmwares.",
+            compatible: firmware.compatible,
             showPanel: $showSavePanel,
             taskManager: taskManager
         )

Mist/Views/List/InstallerListRow.swift

@@ -30,13 +30,14 @@ struct InstallerListRow: View {
 
     var body: some View {
         ListRow(
+            type: .installer,
             image: installer.imageName,
             version: installer.version,
             build: installer.build,
             beta: installer.beta,
             date: installer.date,
             size: installer.size.bytesString(),
-            alertMessage: "The Mist Privileged Helper Tool is required to perform Administrator tasks when creating macOS Installers.",
+            compatible: installer.compatible,
             showPanel: $showOpenPanel,
             taskManager: taskManager
         )

Mist/Views/List/ListRow.swift

@@ -9,18 +9,40 @@ import Blessed
 import SwiftUI
 
 struct ListRow: View {
+    var type: DownloadType
     var image: String
     var version: String
     var build: String
     var beta: Bool
     var date: String
     var size: String
-    var alertMessage: String
+    var compatible: Bool
     @Binding var showPanel: Bool
     @ObservedObject var taskManager: TaskManager
+    @State private var alertType: DownloadAlertType = .compatibility
     @State private var showAlert: Bool = false
     private let length: CGFloat = 48
     private let spacing: CGFloat = 5
+    private var compatibilityTitle: String {
+        "macOS \(type.description) not compatible!"
+    }
+    private var compatibilityMessage: String {
+
+        guard let architecture: String = Hardware.architecture else {
+            return "Invalid architecture!"
+        }
+
+        let deviceType: String = architecture.contains("arm64") ? "Apple Silicon" : "Intel-based"
+        let operation: String = type == .firmware ? "restore" : "re-install"
+        let string: String = "This macOS \(type.description) download cannot be used to \(operation) macOS on this \(deviceType) Mac.\n\nAre you sure you want to continue?"
+        return string
+    }
+    private var privilegedHelperToolTitle: String {
+        "Privileged Helper Tool not installed!"
+    }
+    private var privilegedHelperToolMessage: String {
+        "The Mist Privileged Helper Tool is required to perform Administrator tasks when \(type == .firmware ? "downloading macOS Firmwares" : "creating macOS Installers")."
+    }
 
     var body: some View {
         HStack {
@@ -42,25 +64,41 @@ struct ListRow: View {
             Text(size)
                 .textSelection(.enabled)
             Button {
-                validate()
+                compatible ? validate() : showCompatibilityWarning()
             } label: {
                 Image(systemName: "arrow.down.circle")
                     .foregroundColor(.accentColor)
             }
         }
         .alert(isPresented: $showAlert) {
-            Alert(
+            switch alertType {
-                title: Text("Privileged Helper Tool not installed!"),
+            case .compatibility:
-                message: Text(alertMessage),
+                return Alert(
+                    title: Text(compatibilityTitle),
+                    message: Text(compatibilityMessage),
+                    primaryButton: .default(Text("Cancel")),
+                    secondaryButton: .default(Text("Continue")) { validate() }
+                )
+            case .helperTool:
+                return Alert(
+                    title: Text(privilegedHelperToolTitle),
+                    message: Text(privilegedHelperToolMessage),
                     primaryButton: .default(Text("Install...")) { install() },
                     secondaryButton: .default(Text("Cancel"))
                 )
             }
         }
+    }
+
+    private func showCompatibilityWarning() {
+        alertType = .compatibility
+        showAlert = true
+    }
 
     private func validate() {
 
         guard PrivilegedHelperTool.isInstalled() else {
+            alertType = .helperTool
             showAlert = true
             return
         }
@@ -79,24 +117,26 @@ struct ListRow_Previews: PreviewProvider {
 
     static var previews: some View {
         ListRow(
+            type: .firmware,
             image: firmware.imageName,
             version: firmware.version,
             build: firmware.build,
             beta: firmware.beta,
             date: firmware.formattedDate,
             size: firmware.size.bytesString(),
-            alertMessage: "Alert Message!",
+            compatible: firmware.compatible,
             showPanel: .constant(false),
             taskManager: .shared
         )
         ListRow(
+            type: .installer,
             image: installer.imageName,
             version: installer.version,
             build: installer.build,
             beta: installer.beta,
             date: installer.date,
             size: installer.size.bytesString(),
-            alertMessage: "Alert Message!",
+            compatible: firmware.compatible,
             showPanel: .constant(false),
             taskManager: .shared
         )