3 files changed, 9 insertions, 3 deletions
diff --git a/backend/Elements.Data/Models/Element.cs b/backend/Elements.Data/Models/Element.cs
index 273c83d..774b7ee 100644
--- a/backend/Elements.Data/Models/Element.cs
+++ b/backend/Elements.Data/Models/Element.cs
@@ -10,6 +10,7 @@ public enum ElementState {
 
 public class Element {
     public int Id {get; set;}
+    public required DateTime CreationDate { get; init; }
     public required int UserId { get; init; }
     public required string Name {get; init;}
     public required ElementState State {get; init;}
diff --git a/backend/Elements.Data/Models/Recipe.cs b/backend/Elements.Data/Models/Recipe.cs
index a942561..6fdcd78 100644
--- a/backend/Elements.Data/Models/Recipe.cs
+++ b/backend/Elements.Data/Models/Recipe.cs
@@ -3,7 +3,11 @@ namespace Elements.Data.Models;
 public class Recipe
 {
     public int Id { get; set; }
-    public required Element FirstIngredient { get; init; }
-    public required Element SecondIngredient { get; set; }
-    public required Element Result { get; set; }
+    public required int FirstElementId { get; init; }
+    public required int SecondElementId { get; init; }
+    public required int ResultElementId { get; init; }
+
+    public Element FirstElement { get; set; } = null!;
+    public Element SecondElement { get; set; } = null!;
+    public Element ResultElement { get; set; } = null!;
 }
 \ No newline at end of file
diff --git a/backend/Elements.Data/Models/Suggestion.cs b/backend/Elements.Data/Models/Suggestion.cs
index bd936a4..7f30761 100644
--- a/backend/Elements.Data/Models/Suggestion.cs
+++ b/backend/Elements.Data/Models/Suggestion.cs
@@ -3,6 +3,7 @@ namespace Elements.Data.Models;
 public class Suggestion
 {
     public int Id { get; set; }
+    public required DateTime CreationDate { get; init; }
     public required string Name { get; init; }
     public required byte[] Icon { get; init; }
     public required int FirstElementId { get; init; }