Export Document Version Property

src/YesSql.Abstractions/Entites/IVersionable.cs

@@ -0,0 +1,10 @@
+using System.Text.Json.Serialization;
+
+namespace YesSql.Entites
+{
+    public interface IVersionable
+    {
+        [JsonIgnore]
+        long Version { get; set; }
+    }
+}

src/YesSql.Core/Session.cs

@@ -10,6 +10,7 @@
 using System.Threading.Tasks;
 using YesSql.Commands;
 using YesSql.Data;
+using YesSql.Entites;
 using YesSql.Indexes;
 using YesSql.Services;
 
@@ -569,6 +570,11 @@ public IEnumerable<T> Get<T>(IList<Document> documents, string collection) where
                         accessor = defaultAccessor;
                     }
 
+                    if (item is IVersionable versionedEntity)
+                    {
+                        versionedEntity.Version = d.Version;
+                    }
+
                     accessor?.Set(item, d.Id);
 
                     if (_withTracking)

test/YesSql.Tests/CoreTests.cs

@@ -717,6 +717,25 @@ public async Task ShouldQueryNullVariables()
             }
         }
 
+        [Fact]
+        public async Task ShouldAccessVersion()
+        {
+            _store.RegisterIndexes<ArticleBydPublishedDateProvider>();
+
+            await using (var session = _store.CreateSession())
+            {
+                var article = new Article { Title = TestConstants.Strings.SomeString, PublishedUtc = new DateTime(2011, 11, 1) };
+                await session.SaveAsync(article);
+                await session.SaveChangesAsync();
+                Assert.Equal(1, article.Version);
+
+                article.Title = "Version2";
+                await session.SaveAsync(article);
+                await session.SaveChangesAsync();
+                Assert.Equal(2, article.Version);
+            }
+        }
+
         [Fact]
         public async Task ShouldCompareWithConstants()
         {

test/YesSql.Tests/Models/Article.cs

@@ -1,12 +1,14 @@
 using System;
+using YesSql.Entites;
 
 namespace YesSql.Tests.Models
 {
-    public class Article
+    public class Article : IVersionable
     {
         public int Id { get; set; }
         public string Title { get; set; }
         public DateTime PublishedUtc { get; set; }
         public bool IsPublished { get; set; }
+        public long Version { get; set; } = 0;
     }
 }