2 files changed, 8 insertions, 4 deletions
diff --git a/code/api/src/Models/Database/Base.cs b/code/api/src/Models/Database/Base.cs
index 900b923..0b16b12 100644
--- a/code/api/src/Models/Database/Base.cs
+++ b/code/api/src/Models/Database/Base.cs
@@ -1,6 +1,6 @@
 namespace IOL.GreatOffice.Api.Data.Database;
 
-public class Base
+public abstract class Base
 {
     protected Base() {
         Id = Guid.NewGuid();
diff --git a/code/api/src/Models/Database/BaseWithOwner.cs b/code/api/src/Models/Database/BaseWithOwner.cs
index ad9b33a..7e9f6c1 100644
--- a/code/api/src/Models/Database/BaseWithOwner.cs
+++ b/code/api/src/Models/Database/BaseWithOwner.cs
@@ -3,10 +3,14 @@ namespace IOL.GreatOffice.Api.Data.Database;
 /// <summary>
 /// Base class for all entities with ownership.
 /// </summary>
-public class BaseWithOwner : Base
+public abstract class BaseWithOwner : Base
 {
     protected BaseWithOwner() { }
 
+    protected BaseWithOwner(Guid createdBy) {
+        CreatedBy = createdBy;
+    }
+
     protected BaseWithOwner(LoggedInUserModel loggedInUser) {
         CreatedBy = loggedInUser.Id;
     }
@@ -21,12 +25,12 @@ public class BaseWithOwner : Base
 
     public void SetDeleted(Guid userId) {
         DeletedBy = userId;
-        SetDeleted();
+        base.SetDeleted();
     }
 
     public void SetModified(Guid userId) {
         ModifiedBy = userId;
-        SetModified();
+        base.SetModified();
     }
 
     public void SetOwnerIds(Guid userId = default, Guid tenantId = default) {