update page properties to only return property id

Author: KoditkarVedant

Src/Notion.Client/Models/Page/Page.cs

@@ -44,7 +44,7 @@ public class Page : IObject, IObjectModificationData
         /// Property values of this page.
         /// </summary>
         [JsonProperty("properties")]
-        public IDictionary<string, PropertyValue> Properties { get; set; }
+        public IDictionary<string, PagePropertyOnId> Properties { get; set; }
 
         /// <summary>
         /// The URL of the Notion page.

Src/Notion.Client/Models/Page/PagePropertyOnId.cs

@@ -0,0 +1,10 @@
+using Newtonsoft.Json;
+
+namespace Notion.Client
+{
+    public class PagePropertyOnId
+    {
+        [JsonProperty("id")]
+        public string Id { get; set; }
+    }
+}

Test/Notion.UnitTests/DatabasesClientTests.cs

@@ -12,10 +12,11 @@ namespace Notion.UnitTests
     public class DatabasesClientTests : ApiTestBase
     {
         private readonly IDatabasesClient _client;
-
+        private readonly IPagesClient _pagesClient;
         public DatabasesClientTests()
         {
             _client = new DatabasesClient(new RestClient(ClientOptions));
+            _pagesClient = new PagesClient(new RestClient(ClientOptions));
         }
 
         [Fact]
@@ -463,7 +464,13 @@ public async Task Fix123_QueryAsync_DateFormulaValue_Returns_Null()
                 page.Parent.Should().BeAssignableTo<IPageParent>();
                 page.Object.Should().Be(ObjectType.Page);
 
-                var formulaPropertyValue = (FormulaPropertyValue)page.Properties["FormulaProp"];
+                var formulaPropertyValue = (FormulaPropertyValue)await _pagesClient.RetrievePagePropertyItem(new RetrievePropertyItemParameters
+                {
+                    PageId = page.Id,
+                    PropertyId = page.Properties["FormulaProp"].Id
+                });
+
+                //var formulaPropertyValue = (FormulaPropertyValue)page.Properties["FormulaProp"];
                 formulaPropertyValue.Formula.Date.Start.Should().Be(DateTime.Parse("2021-06-28"));
                 formulaPropertyValue.Formula.Date.End.Should().BeNull();
             }

Test/Notion.UnitTests/PagesClientTests.cs

@@ -109,7 +109,14 @@ public async Task UpdatePropertiesAsync()
             page.Id.Should().Be(pageId);
             page.Properties.Should().HaveCount(2);
             var updatedProperty = page.Properties.First(x => x.Key == "In stock");
-            ((CheckboxPropertyValue)updatedProperty.Value).Checkbox.Should().BeTrue();
+
+            var checkboxPropertyValue = (CheckboxPropertyValue)await _client.RetrievePagePropertyItem(new RetrievePropertyItemParameters
+            {
+                PageId = page.Id,
+                PropertyId = updatedProperty.Value.Id
+            });
+
+            checkboxPropertyValue.Checkbox.Should().BeTrue();
         }
 
         [Fact]
@@ -160,7 +167,14 @@ public async Task UpdatePageAsync()
             page.IsArchived.Should().BeFalse();
             page.Properties.Should().HaveCount(2);
             var updatedProperty = page.Properties.First(x => x.Key == "In stock");
-            ((CheckboxPropertyValue)updatedProperty.Value).Checkbox.Should().BeTrue();
+
+            var checkboxPropertyValue = (CheckboxPropertyValue)await _client.RetrievePagePropertyItem(new RetrievePropertyItemParameters
+            {
+                PageId = page.Id,
+                PropertyId = updatedProperty.Value.Id
+            });
+
+            checkboxPropertyValue.Checkbox.Should().BeTrue();
         }
 
         [Fact]
@@ -193,7 +207,14 @@ public async Task ArchivePageAsync()
             page.IsArchived.Should().BeTrue();
             page.Properties.Should().HaveCount(2);
             var updatedProperty = page.Properties.First(x => x.Key == "In stock");
-            ((CheckboxPropertyValue)updatedProperty.Value).Checkbox.Should().BeTrue();
+
+            var checkboxPropertyValue = (CheckboxPropertyValue)await _client.RetrievePagePropertyItem(new RetrievePropertyItemParameters
+            {
+                PageId = page.Id,
+                PropertyId = updatedProperty.Value.Id
+            });
+
+            checkboxPropertyValue.Checkbox.Should().BeTrue();
         }
 
         [Fact]