Support member saving Cancel (#16147)

* Fixes #15152

Handle when a notification cancels the member saving operation.

* Fixed unit tests

Author: bergmania

src/Umbraco.Cms.Api.Management/Controllers/Member/MemberControllerBase.cs

@@ -71,6 +71,9 @@ protected IActionResult MemberEditingOperationStatusResult(MemberEditingOperatio
                 .WithTitle("Duplicate email detected")
                 .WithDetail("The supplied email is already in use by another member.")
                 .Build()),
+            MemberEditingOperationStatus.CancelledByNotificationHandler => BadRequest(problemDetailsBuilder
+                .WithTitle("Cancelled")
+                .Build()),
             MemberEditingOperationStatus.Unknown => StatusCode(
                 StatusCodes.Status500InternalServerError,
                 problemDetailsBuilder

src/Umbraco.Core/Services/OperationStatus/MemberEditingOperationStatus.cs

@@ -15,5 +15,6 @@ public enum MemberEditingOperationStatus
     InvalidEmail,
     DuplicateUsername,
     DuplicateEmail,
+    CancelledByNotificationHandler,
     Unknown,
 }

src/Umbraco.Infrastructure/Security/MemberUserStore.cs

@@ -19,6 +19,7 @@ namespace Umbraco.Cms.Core.Security;
 public class MemberUserStore : UmbracoUserStore<MemberIdentityUser, UmbracoIdentityRole>, IMemberUserStore
 {
     private const string GenericIdentityErrorCode = "IdentityErrorUserStore";
+    public const string CancelledIdentityErrorCode = "CancelledIdentityErrorUserStore";
     private readonly IExternalLoginWithKeyService _externalLoginService;
     private readonly IUmbracoMapper _mapper;
     private readonly IMemberService _memberService;
@@ -127,7 +128,17 @@ public override Task<IdentityResult> CreateAsync(
             UpdateMemberProperties(memberEntity, user, out bool _);
 
             // create the member
-            _memberService.Save(memberEntity);
+            Attempt<OperationResult?> saveAttempt = _memberService.Save(memberEntity);
+            if (saveAttempt.Success is false)
+            {
+                scope.Complete();
+                return Task.FromResult(IdentityResult.Failed(
+                    new IdentityError {
+                        Code = CancelledIdentityErrorCode,
+                        Description = string.Empty
+
+                    }));
+            }
 
             // We need to add roles now that the member has an Id. It do not work implicit in UpdateMemberProperties
             _memberService.AssignRoles(

src/Umbraco.Infrastructure/Services/MemberEditingService.cs

@@ -329,6 +329,9 @@ private static Attempt<MemberCreateResult, MemberEditingStatus> IdentityMemberCr
                 case nameof(IdentityErrorDescriber.DuplicateEmail):
                     createStatus = MemberEditingOperationStatus.DuplicateEmail;
                     break;
+                case MemberUserStore.CancelledIdentityErrorCode:
+                    createStatus = MemberEditingOperationStatus.CancelledByNotificationHandler;
+                    break;
             }
 
             if (createStatus is not MemberEditingOperationStatus.Unknown)

tests/Umbraco.Tests.UnitTests/Umbraco.Infrastructure/Security/MemberManagerTests.cs

@@ -8,6 +8,7 @@
 using Umbraco.Cms.Core;
 using Umbraco.Cms.Core.Cache;
 using Umbraco.Cms.Core.Configuration.Models;
+using Umbraco.Cms.Core.Events;
 using Umbraco.Cms.Core.Mapping;
 using Umbraco.Cms.Core.Models;
 using Umbraco.Cms.Core.Net;
@@ -141,7 +142,7 @@ public async Task GivenICreateANewUser_AndTheUserIsPopulatedCorrectly_ThenIShoul
 
         // assert
         Assert.IsTrue(identityResult.Succeeded);
-        Assert.IsTrue(!identityResult.Errors.Any());
+        Assert.IsFalse(identityResult.Errors.Any());
     }
 
     [Test]
@@ -266,6 +267,9 @@ private void MockMemberServiceForCreateMember(IMember fakeMember)
         _mockMemberService
             .Setup(x => x.CreateMember(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()))
             .Returns(fakeMember);
-        _mockMemberService.Setup(x => x.Save(fakeMember, Constants.Security.SuperUserId));
+        _mockMemberService
+            .Setup(x => x.Save(fakeMember, Constants.Security.SuperUserId))
+            .Returns(Attempt.Succeed<OperationResult?>(null));
+
     }
 }

tests/Umbraco.Tests.UnitTests/Umbraco.Infrastructure/Security/MemberUserStoreTests.cs

@@ -123,8 +123,9 @@ public async Task GivenICreateANewUser_AndTheUserIsPopulatedCorrectly_ThenIShoul
         _mockMemberService
             .Setup(x => x.CreateMember(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()))
             .Returns(mockMember);
-        _mockMemberService.Setup(x => x.Save(mockMember, Constants.Security.SuperUserId));
-
+        _mockMemberService
+            .Setup(x => x.Save(mockMember, Constants.Security.SuperUserId))
+            .Returns(Attempt.Succeed<OperationResult?>(null));
         // act
         var identityResult = await sut.CreateAsync(fakeUser, CancellationToken.None);