fix: send flattened data when upserting

src/Collections.cs

@@ -27,7 +27,7 @@ public async Task<ResponseBase> UpsertManyAsync(string collectionName, IEnumerab
             var body = new Dictionary<string, object>
             {
                 {
-                    "data", new Dictionary<string, object> { { collectionName, data } }
+                    "data", new Dictionary<string, IEnumerable<object>> { { collectionName, data.Select(x => x.Flatten()) } }
                 },
             };
             var request = _client.BuildAppRequest("collections/", HttpMethod.Post);
@@ -41,7 +41,7 @@ public async Task<ResponseBase> UpsertManyAsync(string collectionName, IEnumerab
             throw StreamException.FromResponse(response);
         }
 
-        public async Task<GetCollectionResponseObject> SelectAsync(string collectionName, string id)
+        public async Task<CollectionObject> SelectAsync(string collectionName, string id)
         {
             var result = await SelectManyAsync(collectionName, new[] { id });
             return result.Response.Data.FirstOrDefault();
@@ -75,7 +75,7 @@ public async Task DeleteManyAsync(string collectionName, IEnumerable<string> ids
         public async Task<CollectionObject> AddAsync(string collectionName, Dictionary<string, object> data, string id = null, string userId = null)
         {
             var collectionObject = new CollectionObject(id) { UserId = userId };
-            data.ForEach(x => collectionObject.Data.SetData(x.Key, x.Value));
+            data.ForEach(x => collectionObject.SetData(x.Key, x.Value));
 
             var request = _client.BuildAppRequest($"collections/{collectionName}/", HttpMethod.Post);
             request.SetJsonBody(StreamJsonConverter.SerializeObject(collectionObject));

src/ICollections.cs

@@ -31,7 +31,7 @@ public interface ICollections
 
         /// <summary>Returns a collection object.</summary>
         /// <remarks>https://getstream.io/activity-feeds/docs/dotnet-csharp/collections_introduction/?language=csharp</remarks>
-        Task<GetCollectionResponseObject> SelectAsync(string collectionName, string id);
+        Task<CollectionObject> SelectAsync(string collectionName, string id);
 
         /// <summary>Returns multiple collection objects.</summary>
         /// <remarks>https://getstream.io/activity-feeds/docs/dotnet-csharp/collections_introduction/?language=csharp</remarks>

src/Models/CollectionObject.cs

@@ -1,4 +1,5 @@
 using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
 using Stream.Utils;
 using System;
 using System.Collections.Generic;
@@ -31,21 +32,30 @@ public class CollectionObject
         /// Gets a custom data value parsed into <typeparamref name="T"/>.
         /// </summary>
         public T GetData<T>(string name) => Data.GetData<T>(name);
-    }
 
-    public class GetCollectionResponseObject
-    {
-        public string Id { get; set; }
-        public string Collection { get; set; }
-        public string ForeignId { get; set; }
-        public DateTime CreatedAt { get; set; }
-        public DateTime UpdatedAt { get; set; }
-        public CollectionObject Data { get; set; }
+        internal JObject Flatten()
+        {
+            var flat = new JObject();
+
+            if (!string.IsNullOrWhiteSpace(Id))
+                flat["id"] = Id;
+
+            if (!string.IsNullOrEmpty(UserId))
+                flat["user_id"] = UserId;
+
+            if (Data?.GetAllData()?.Count > 0)
+            {
+                foreach (var kvp in Data.GetAllData())
+                    flat[kvp.Key] = kvp.Value;
+            }
+
+            return flat;
+        }
     }
 
     public class GetCollectionResponse
     {
-        public List<GetCollectionResponseObject> Data { get; set; }
+        public List<CollectionObject> Data { get; set; }
     }
 
     public class GetCollectionResponseWrap : ResponseBase

src/Models/CustomDataBase.cs

@@ -10,6 +10,11 @@ public abstract class CustomDataBase
         [JsonExtensionData]
         protected virtual Dictionary<string, JToken> Data { get; set; } = new Dictionary<string, JToken>();
 
+        /// <summary>
+        /// Returns all custom data
+        /// </summary>
+        public Dictionary<string, JToken> GetAllData() => Data;
+
         /// <summary>
         /// Gets a custom data value parsed into <typeparamref name="T"/>
         /// </summary>

tests/ActivityTests/EnrichedActivityTests.cs

@@ -128,7 +128,7 @@ public async Task TestEnrich_Collection()
             Assert.NotNull(act.Actor);
             Assert.AreEqual("actor-1", act.Actor.Id);
             Assert.AreEqual(c.Id, act.Object.Id);
-            var dataJobject = act.Object.GetData<Dictionary<string, object>>("data")["data"] as JObject;
+            var dataJobject = act.Object.GetData<Dictionary<string, object>>("data");
             Assert.AreEqual("testing_value", dataJobject["field"].ToString());
         }
 

tests/CollectionTests.cs

@@ -42,7 +42,7 @@ public async Task TestCollectionsCRUD()
 
             Assert.ThrowsAsync<StreamException>(async () =>
             {
-                var o = await Client.Collections.AddAsync("col_test_crud", colData, collectionObject.Id);
+                await Client.Collections.AddAsync("col_test_crud", colData, collectionObject.Id);
             });
 
             // GET
@@ -163,11 +163,9 @@ public async Task TestCollectionsSelectMany()
 
             await Client.Collections.UpsertManyAsync("people", data);
 
-            var results = (await Client.Collections.SelectManyAsync("people", new[] { id1, id2 })).Response.Data;
+            var results = await Client.Collections.SelectManyAsync("people", new[] { id1, id2 });
 
-            Assert.NotNull(results);
-            Assert.AreEqual(data.Count, results.CountOrFallback());
-            results.ForEach(r =>
+            results.Response.Data.ForEach(r =>
             {
                 var found = data.First(x => x.Id == r.Id);
                 var key = r.Id.Equals(id1) ? "hobbies" : "vacation";
@@ -176,7 +174,7 @@ public async Task TestCollectionsSelectMany()
         }
 
         [Test]
-        public void TestCollectionsUpsert()
+        public async Task TestCollectionsUpsert()
         {
             var data = new CollectionObject(System.Guid.NewGuid().ToString());
             data.SetData("hobbies", new List<string> { "eating", "coding" });
@@ -185,10 +183,13 @@ public void TestCollectionsUpsert()
             {
                 await Client.Collections.UpsertAsync("people", data);
             });
+
+            var result = await Client.Collections.GetAsync("people", data.Id);
+            Assert.AreEqual(data.GetData<List<string>>("hobbies"), result.GetData<List<string>>("hobbies"));
         }
 
         [Test]
-        public void TestCollectionsUpsertMany()
+        public async Task TestCollectionsUpsertMany()
         {
             var data1 = new CollectionObject(System.Guid.NewGuid().ToString());
             data1.SetData("hobbies", new List<string> { "eating", "coding" });
@@ -201,6 +202,14 @@ public void TestCollectionsUpsertMany()
             {
                 await Client.Collections.UpsertManyAsync("people", data);
             });
+
+            var result = await Client.Collections.SelectManyAsync("people", new[] { data1.Id, data2.Id });
+            result.Response.Data.ForEach(r =>
+            {
+                var found = data.First(x => x.Id == r.Id);
+                var key = r.Id.Equals(data1.Id) ? "hobbies" : "vacation";
+                Assert.AreEqual(found.GetData<List<string>>(key), r.GetData<List<string>>(key));
+            });
         }
     }
 }