Block ability to merge a person record which has MQs

Author: hortha

TeachingRecordSystem/src/TeachingRecordSystem.SupportUi/Pages/Persons/PersonDetail/Index.cshtml.cs

@@ -33,6 +33,7 @@ public async Task OnGetAsync()
             .IgnoreQueryFilters()
             .Include(p => p.PreviousNames).AsSplitQuery()
             .Include(p => p.Alerts).AsSplitQuery()
+            .Include(p => p.Qualifications).AsSplitQuery()
             .SingleAsync(p => p.PersonId == PersonId);
 
         Person = BuildPersonInfo(person);
@@ -48,9 +49,13 @@ public async Task OnGetAsync()
             canEditPersonData &&
             Person.IsActive;
 
+        var hasMandatoryQualification = person.Qualifications!
+            .Any(q => q.QualificationType == QualificationType.MandatoryQualification);
+
         CanMerge =
             canEditNonPersonOrAlertData &&
             !HasOpenAlert &&
+            !hasMandatoryQualification &&
             Person!.IsActive &&
             (PersonProfessionalStatus is not PersonProfessionalStatusInfo professionalStatus ||
                 !_invalidInductionStatusesForMerge.Contains(professionalStatus.InductionStatus));

TeachingRecordSystem/tests/TeachingRecordSystem.SupportUi.Tests/PageTests/Persons/PersonDetail/IndexTests.cs

@@ -478,6 +478,23 @@ public async Task Get_PersonDoesNotHaveOpenAlert_ShowsMergeButton()
         Assert.NotNull(doc.GetElementByTestId("merge-button"));
     }
 
+    [Fact]
+    public async Task Get_PersonHasMandatoryQualification_DoesNotShowMergeButton()
+    {
+        // Arrange
+        var person = await TestData.CreatePersonAsync(p => p
+            .WithMandatoryQualification());
+
+        var request = new HttpRequestMessage(HttpMethod.Get, $"/persons/{person.PersonId}");
+
+        // Act
+        var response = await HttpClient.SendAsync(request);
+
+        // Assert
+        var doc = await AssertEx.HtmlResponseAsync(response);
+        Assert.Null(doc.GetElementByTestId("merge-button"));
+    }
+
     [Theory]
     [InlineData(InductionStatus.InProgress, false)]
     [InlineData(InductionStatus.Passed, false)]