mobile, desktop: invalid display name alert (#3664)

* ios: invalid display name alert

* android, desktop: invalid display name

---------

Co-authored-by: Avently <avently@local>

apps/ios/Shared/Views/Onboarding/CreateProfile.swift

@@ -11,12 +11,14 @@ import SimpleXChat
 
 enum UserProfileAlert: Identifiable {
     case duplicateUserError
+    case invalidDisplayNameError
     case createUserError(error: LocalizedStringKey)
     case invalidNameError(validName: String)
 
     var id: String {
         switch self {
         case .duplicateUserError: return "duplicateUserError"
+        case .invalidDisplayNameError: return "invalidDisplayNameError"
         case .createUserError: return "createUserError"
         case let .invalidNameError(validName): return "invalidNameError \(validName)"
         }
@@ -187,6 +189,12 @@ private func createProfile(_ displayName: String, showAlert: (UserProfileAlert)
             } else {
                 showAlert(.duplicateUserError)
             }
+        case .chatCmdError(_, .error(.invalidDisplayName)):
+            if m.currentUser == nil {
+                AlertManager.shared.showAlert(invalidDisplayNameAlert)
+            } else {
+                showAlert(.invalidDisplayNameError)
+            }
         default:
             let err: LocalizedStringKey = "Error: \(responseError(error))"
             if m.currentUser == nil {
@@ -207,6 +215,7 @@ private func canCreateProfile(_ displayName: String) -> Bool {
 func userProfileAlert(_ alert: UserProfileAlert, _ displayName: Binding<String>) -> Alert {
     switch alert {
     case .duplicateUserError: return duplicateUserAlert
+    case .invalidDisplayNameError: return invalidDisplayNameAlert
     case let .createUserError(err): return creatUserErrorAlert(err)
     case let .invalidNameError(name): return createInvalidNameAlert(name, displayName)
     }
@@ -219,6 +228,13 @@ private var duplicateUserAlert: Alert {
     )
 }
 
+private var invalidDisplayNameAlert: Alert {
+    Alert(
+        title: Text("Invalid display name!"),
+        message: Text("This display name is invalid. Please choose another name.")
+    )
+}
+
 private func creatUserErrorAlert(_ err: LocalizedStringKey) -> Alert {
     Alert(
         title: Text("Error creating profile!"),

apps/ios/SimpleXChat/APITypes.swift

@@ -1610,6 +1610,7 @@ public enum ChatErrorType: Decodable {
     case userUnknown
     case activeUserExists
     case userExists
+    case invalidDisplayName
     case differentActiveUser(commandUserId: Int64, activeUserId: Int64)
     case cantDeleteActiveUser(userId: Int64)
     case cantDeleteLastUser(userId: Int64)