feat(technicalUser): add delete technical user

src/clients/Dim.Clients/Api/Cf/CfClient.cs

@@ -276,4 +276,11 @@ public async Task<ServiceCredentialBindingDetailResponse> GetServiceBindingDetai
             throw new ServiceException(je.Message);
         }
     }
+
+    public async Task DeleteServiceInstanceBindings(Guid serviceBindingId, CancellationToken cancellationToken)
+    {
+        var client = await _basicAuthTokenService.GetBasicAuthorizedLegacyClient<CfClient>(_settings, cancellationToken).ConfigureAwait(false);
+        await client.DeleteAsync($"/v3/service_credential_bindings/{serviceBindingId}", cancellationToken)
+            .CatchingIntoServiceExceptionFor("delete-si-bindings", HttpAsyncResponseMessageExtension.RecoverOptions.ALLWAYS);
+    }
 }

src/clients/Dim.Clients/Api/Cf/ICfClient.cs

@@ -29,4 +29,5 @@ public interface ICfClient
     Task CreateServiceInstanceBindings(string tenantName, string? keyName, Guid spaceId, CancellationToken cancellationToken);
     Task<Guid> GetServiceBinding(string tenantName, Guid spaceId, string bindingName, CancellationToken cancellationToken);
     Task<ServiceCredentialBindingDetailResponse> GetServiceBindingDetails(Guid id, CancellationToken cancellationToken);
+    Task DeleteServiceInstanceBindings(Guid serviceBindingId, CancellationToken cancellationToken);
 }

src/database/Dim.DbAccess/Repositories/ITenantRepository.cs

@@ -42,4 +42,7 @@ public interface ITenantRepository
     Task<(Guid? spaceId, string technicalUserName)> GetSpaceIdAndTechnicalUserName(Guid technicalUserId);
     Task<(Guid ExternalId, string? TokenAddress, string? ClientId, byte[]? ClientSecret, byte[]? InitializationVector, int? EncryptionMode)> GetTechnicalUserCallbackData(Guid technicalUserId);
     Task<(Guid? DimInstanceId, Guid? CompanyId)> GetDimInstanceIdAndDid(Guid tenantId);
+    Task<(bool Exists, Guid TechnicalUserId)> GetTechnicalUserForBpn(string bpn, string technicalUserName);
+    Task<Guid> GetExternalIdForTechnicalUser(Guid technicalUserId);
+    void RemoveTechnicalUser(Guid technicalUserId);
 }

src/database/Dim.DbAccess/Repositories/TenantRepository.cs

@@ -144,4 +144,20 @@ public void AttachAndModifyTechnicalUser(Guid technicalUserId, Action<TechnicalU
             .Where(x => x.Id == tenantId)
             .Select(x => new ValueTuple<Guid?, Guid?>(x.DimInstanceId, x.CompanyId))
             .SingleOrDefaultAsync();
+
+    public Task<(bool Exists, Guid TechnicalUserId)> GetTechnicalUserForBpn(string bpn, string technicalUserName) =>
+        context.TechnicalUsers
+            .Where(x => x.TechnicalUserName == technicalUserName && x.Tenant!.Bpn == bpn)
+            .Select(x => new ValueTuple<bool, Guid>(true, x.Id))
+            .SingleOrDefaultAsync();
+
+    public Task<Guid> GetExternalIdForTechnicalUser(Guid technicalUserId) =>
+        context.TechnicalUsers
+            .Where(x => x.Id == technicalUserId)
+            .Select(x => x.ExternalId)
+            .SingleOrDefaultAsync();
+
+    public void RemoveTechnicalUser(Guid technicalUserId) =>
+        context.TechnicalUsers
+            .Remove(new TechnicalUser(technicalUserId, default, default, null!, default));
 }

src/database/Dim.Entities/Enums/ProcessStepTypeId.cs

@@ -44,5 +44,9 @@ public enum ProcessStepTypeId
     // Create Technical User
     CREATE_TECHNICAL_USER = 100,
     GET_TECHNICAL_USER_DATA = 101,
-    SEND_TECHNICAL_USER_CALLBACK = 102,
+    SEND_TECHNICAL_USER_CREATION_CALLBACK = 102,
+
+    // Delete Technical User
+    DELETE_TECHNICAL_USER = 200,
+    SEND_TECHNICAL_USER_DELETION_CALLBACK = 201
 }

src/database/Dim.Entities/Enums/ProcessTypeId.cs

@@ -22,5 +22,6 @@ namespace Dim.Entities.Enums;
 public enum ProcessTypeId
 {
     SETUP_DIM = 1,
-    CREATE_TECHNICAL_USER = 2
+    CREATE_TECHNICAL_USER = 2,
+    DELETE_TECHNICAL_USER = 3
 }