Content enrichment improvements.

backend/src/Squidex.Domain.Apps.Core.Model/Schemas/IFieldVisitor.cs

@@ -5,30 +5,65 @@
 //  All rights reserved. Licensed under the MIT license.
 // ==========================================================================
 
+#pragma warning disable CS8653 // A default expression introduces a null value for a type parameter.
+
 namespace Squidex.Domain.Apps.Core.Schemas
 {
     public interface IFieldVisitor<out T>
     {
-        T Visit(IArrayField field);
+        T Visit(IArrayField field)
+        {
+            return default;
+        }
 
-        T Visit(IField<AssetsFieldProperties> field);
+        T Visit(IField<AssetsFieldProperties> field)
+        {
+            return default;
+        }
 
-        T Visit(IField<BooleanFieldProperties> field);
+        T Visit(IField<BooleanFieldProperties> field)
+        {
+            return default;
+        }
 
-        T Visit(IField<DateTimeFieldProperties> field);
+        T Visit(IField<DateTimeFieldProperties> field)
+        {
+            return default;
+        }
 
-        T Visit(IField<GeolocationFieldProperties> field);
+        T Visit(IField<GeolocationFieldProperties> field)
+        {
+            return default;
+        }
 
-        T Visit(IField<JsonFieldProperties> field);
+        T Visit(IField<JsonFieldProperties> field)
+        {
+            return default;
+        }
 
-        T Visit(IField<NumberFieldProperties> field);
+        T Visit(IField<NumberFieldProperties> field)
+        {
+            return default;
+        }
 
-        T Visit(IField<ReferencesFieldProperties> field);
+        T Visit(IField<ReferencesFieldProperties> field)
+        {
+            return default;
+        }
 
-        T Visit(IField<StringFieldProperties> field);
+        T Visit(IField<StringFieldProperties> field)
+        {
+            return default;
+        }
 
-        T Visit(IField<TagsFieldProperties> field);
+        T Visit(IField<TagsFieldProperties> field)
+        {
+            return default;
+        }
 
-        T Visit(IField<UIFieldProperties> field);
+        T Visit(IField<UIFieldProperties> field)
+        {
+            return default;
+        }
     }
 }

backend/src/Squidex.Domain.Apps.Core.Operations/ConvertContent/ContentConverter.cs

@@ -7,11 +7,9 @@
 
 using System;
 using System.Collections.Generic;
-using System.Text;
 using Squidex.Domain.Apps.Core.Contents;
 using Squidex.Domain.Apps.Core.Schemas;
 using Squidex.Infrastructure;
-using Squidex.Infrastructure.Json.Objects;
 
 namespace Squidex.Domain.Apps.Core.ConvertContent
 {
@@ -20,38 +18,6 @@ namespace Squidex.Domain.Apps.Core.ConvertContent
         private static readonly Func<IRootField, string> KeyNameResolver = f => f.Name;
         private static readonly Func<IRootField, long> KeyIdResolver = f => f.Id;
 
-        private static void AppendText(IJsonValue value, StringBuilder stringBuilder, int maxFieldLength, string separator, bool allowObjects)
-        {
-            if (value.Type == JsonValueType.String)
-            {
-                var text = value.ToString();
-
-                if (text.Length <= maxFieldLength)
-                {
-                    if (stringBuilder.Length > 0)
-                    {
-                        stringBuilder.Append(separator);
-                    }
-
-                    stringBuilder.Append(text);
-                }
-            }
-            else if (value is JsonArray array)
-            {
-                foreach (var item in array)
-                {
-                    AppendText(item, stringBuilder, maxFieldLength, separator, true);
-                }
-            }
-            else if (value is JsonObject obj && allowObjects)
-            {
-                foreach (var item in obj.Values)
-                {
-                    AppendText(item, stringBuilder, maxFieldLength, separator, true);
-                }
-            }
-        }
-
         public static NamedContentData ConvertId2Name(this IdContentData content, Schema schema, params FieldConverter[] converters)
         {
             Guard.NotNull(schema);

backend/src/Squidex.Domain.Apps.Core.Operations/EnrichContent/ContentEnrichmentExtensions.cs → backend/src/Squidex.Domain.Apps.Core.Operations/DefaultValues/DefaultValueExtensions.cs

@@ -8,13 +8,13 @@
 using Squidex.Domain.Apps.Core.Contents;
 using Squidex.Domain.Apps.Core.Schemas;
 
-namespace Squidex.Domain.Apps.Core.EnrichContent
+namespace Squidex.Domain.Apps.Core.DefaultValues
 {
-    public static class ContentEnrichmentExtensions
+    public static class DefaultValueExtensions
     {
-        public static void Enrich(this NamedContentData data, Schema schema, PartitionResolver partitionResolver)
+        public static void GenerateDefaultValues(this NamedContentData data, Schema schema, PartitionResolver partitionResolver)
         {
-            var enricher = new ContentEnricher(schema, partitionResolver);
+            var enricher = new DefaultValueGenerator(schema, partitionResolver);
 
             enricher.Enrich(data);
         }

backend/src/Squidex.Domain.Apps.Core.Operations/EnrichContent/DefaultValueFactory.cs → backend/src/Squidex.Domain.Apps.Core.Operations/DefaultValues/DefaultValueFactory.cs

@@ -11,7 +11,7 @@ using Squidex.Domain.Apps.Core.Schemas;
 using Squidex.Infrastructure;
 using Squidex.Infrastructure.Json.Objects;
 
-namespace Squidex.Domain.Apps.Core.EnrichContent
+namespace Squidex.Domain.Apps.Core.DefaultValues
 {
     public sealed class DefaultValueFactory : IFieldVisitor<IJsonValue>
     {

backend/src/Squidex.Domain.Apps.Core.Operations/EnrichContent/ContentEnricher.cs → backend/src/Squidex.Domain.Apps.Core.Operations/DefaultValues/DefaultValueGenerator.cs

@@ -11,14 +11,14 @@ using Squidex.Domain.Apps.Core.Schemas;
 using Squidex.Infrastructure;
 using Squidex.Infrastructure.Json.Objects;
 
-namespace Squidex.Domain.Apps.Core.EnrichContent
+namespace Squidex.Domain.Apps.Core.DefaultValues
 {
-    public sealed class ContentEnricher
+    public sealed class DefaultValueGenerator
     {
         private readonly Schema schema;
         private readonly PartitionResolver partitionResolver;
 
-        public ContentEnricher(Schema schema, PartitionResolver partitionResolver)
+        public DefaultValueGenerator(Schema schema, PartitionResolver partitionResolver)
         {
             Guard.NotNull(schema);
             Guard.NotNull(partitionResolver);

backend/src/Squidex.Domain.Apps.Core.Operations/ExtractReferenceIds/ContentReferencesExtensions.cs

@@ -17,79 +17,81 @@ namespace Squidex.Domain.Apps.Core.ExtractReferenceIds
 {
     public static class ContentReferencesExtensions
     {
-        public static IEnumerable<Guid> GetReferencedIds(this IdContentData source, Schema schema, Ids strategy = Ids.All)
+        public static HashSet<Guid> GetReferencedIds(this NamedContentData source, Schema schema)
         {
             Guard.NotNull(schema);
 
-            foreach (var field in schema.Fields)
+            var extractor = new ReferencesExtractor(new HashSet<Guid>());
-            {
-                var ids = source.GetReferencedIds(field, strategy);
 
-                foreach (var id in ids)
+            AddReferencedIds(source, schema.Fields, extractor);
-                {
+
-                    yield return id;
+            return extractor.Result;
-                }
-            }
         }
 
-        public static IEnumerable<Guid> GetReferencedIds(this IdContentData source, IField field, Ids strategy = Ids.All)
+        public static void AddReferencedIds(this NamedContentData source, Schema schema, HashSet<Guid> result)
         {
-            Guard.NotNull(field);
+            Guard.NotNull(schema);
 
-            if (source.TryGetValue(field.Id, out var fieldData) && fieldData != null)
+            var extractor = new ReferencesExtractor(result);
-            {
-                foreach (var partitionValue in fieldData)
-                {
-                    var ids = field.GetReferencedIds(partitionValue.Value, strategy);
 
-                    foreach (var id in ids)
+            AddReferencedIds(source, schema.Fields, extractor);
-                    {
-                        yield return id;
-                    }
-                }
-            }
         }
 
-        public static IEnumerable<Guid> GetReferencedIds(this NamedContentData source, Schema schema, Ids strategy = Ids.All)
+        public static void AddReferencedIds(this NamedContentData source, IEnumerable<IField> fields, HashSet<Guid> result)
         {
-            Guard.NotNull(schema);
+            Guard.NotNull(fields);
+
+            var extractor = new ReferencesExtractor(result);
 
-            return GetReferencedIds(source, schema.Fields, strategy);
+            AddReferencedIds(source, fields, extractor);
         }
 
-        public static IEnumerable<Guid> GetReferencedIds(this NamedContentData source, IEnumerable<IField> fields, Ids strategy = Ids.All)
+        public static void AddReferencedIds(this NamedContentData source, IField field, HashSet<Guid> result)
         {
-            Guard.NotNull(fields);
+            Guard.NotNull(field);
+
+            var extractor = new ReferencesExtractor(result);
 
+            AddReferencedIds(source, field, extractor);
+        }
+
+        private static void AddReferencedIds(NamedContentData source, IEnumerable<IField> fields, ReferencesExtractor extractor)
+        {
             foreach (var field in fields)
             {
-                var ids = source.GetReferencedIds(field, strategy);
+                AddReferencedIds(source, field, extractor);
-
-                foreach (var id in ids)
-                {
-                    yield return id;
-                }
             }
         }
 
-        public static IEnumerable<Guid> GetReferencedIds(this NamedContentData source, IField field, Ids strategy = Ids.All)
+        private static void AddReferencedIds(NamedContentData source, IField field, ReferencesExtractor extractor)
         {
-            Guard.NotNull(field);
-
             if (source.TryGetValue(field.Name, out var fieldData) && fieldData != null)
             {
                 foreach (var partitionValue in fieldData)
                 {
-                    var ids = field.GetReferencedIds(partitionValue.Value, strategy);
+                    extractor.SetValue(partitionValue.Value);
 
-                    foreach (var id in ids)
+                    field.Accept(extractor);
-                    {
-                        yield return id;
-                    }
                 }
             }
         }
 
+        public static HashSet<Guid> GetReferencedIds(this IField field, IJsonValue? value)
+        {
+            var result = new HashSet<Guid>();
+
+            if (value != null)
+            {
+                var extractor = new ReferencesExtractor(result);
+
+                extractor.SetValue(value);
+
+                field.Accept(extractor);
+            }
+
+            return result;
+        }
+
         public static JsonObject FormatReferences(this NamedContentData data, Schema schema, IFieldPartitioning partitioning, string separator = ", ")
         {
             Guard.NotNull(schema);

backend/src/Squidex.Domain.Apps.Core.Operations/ExtractReferenceIds/ReferencesCleaner.cs

@@ -8,25 +8,26 @@
 using System;
 using System.Collections.Generic;
 using Squidex.Domain.Apps.Core.Schemas;
+using Squidex.Infrastructure;
 using Squidex.Infrastructure.Json.Objects;
 
 namespace Squidex.Domain.Apps.Core.ExtractReferenceIds
 {
     public sealed class ReferencesCleaner : IFieldVisitor<IJsonValue>
     {
-        private readonly IJsonValue value;
+        private readonly HashSet<Guid> validIds;
-        private readonly ICollection<Guid>? oldReferences;
+        private IJsonValue value;
 
-        private ReferencesCleaner(IJsonValue value, ICollection<Guid>? oldReferences)
+        public ReferencesCleaner(HashSet<Guid> validIds)
         {
-            this.value = value;
+            Guard.NotNull(validIds);
 
-            this.oldReferences = oldReferences;
+            this.validIds = validIds;
         }
 
-        public static IJsonValue CleanReferences(IField field, IJsonValue value, ICollection<Guid>? oldReferences)
+        public void SetValue(IJsonValue newValue)
         {
-            return field.Accept(new ReferencesCleaner(value, oldReferences));
+            value = newValue;
         }
 
         public IJsonValue Visit(IField<AssetsFieldProperties> field)
@@ -36,31 +37,9 @@ namespace Squidex.Domain.Apps.Core.ExtractReferenceIds
 
         public IJsonValue Visit(IField<ReferencesFieldProperties> field)
         {
-            if (oldReferences?.Contains(field.Properties.SingleId()) == true)
-            {
-                return JsonValue.Array();
-            }
-
             return CleanIds();
         }
 
-        private IJsonValue CleanIds()
-        {
-            var ids = value.ToGuidSet();
-
-            var isRemoved = false;
-
-            if (oldReferences != null)
-            {
-                foreach (var oldReference in oldReferences)
-                {
-                    isRemoved |= ids.Remove(oldReference);
-                }
-            }
-
-            return isRemoved ? ids.ToJsonArray() : value;
-        }
-
         public IJsonValue Visit(IField<BooleanFieldProperties> field)
         {
             return value;
@@ -105,5 +84,31 @@ namespace Squidex.Domain.Apps.Core.ExtractReferenceIds
         {
             return value;
         }
+
+        private IJsonValue CleanIds()
+        {
+            if (value is JsonArray array)
+            {
+                var result = new JsonArray(array);
+
+                for (var i = 0; i < result.Count; i++)
+                {
+                    if (!IsValidReference(result[i]))
+                    {
+                        result.RemoveAt(i);
+                        i--;
+                    }
+                }
+
+                return result;
+            }
+
+            return value;
+        }
+
+        private bool IsValidReference(IJsonValue item)
+        {
+            return item is JsonString s && Guid.TryParse(s.Value, out var guid) && validIds.Contains(guid);
+        }
     }
 }

backend/src/Squidex.Domain.Apps.Core.Operations/ExtractReferenceIds/ReferencesExtensions.cs

@@ -7,51 +7,16 @@
 
 using System;
 using System.Collections.Generic;
-using Squidex.Domain.Apps.Core.Schemas;
 using Squidex.Infrastructure.Json.Objects;
 
 namespace Squidex.Domain.Apps.Core.ExtractReferenceIds
 {
     public static class ReferencesExtensions
     {
-        public static IEnumerable<Guid> GetReferencedIds(this IField field, IJsonValue? value, Ids strategy = Ids.All)
+        public static void AddIds(this IJsonValue? value, HashSet<Guid> result)
-        {
-            return ReferencesExtractor.ExtractReferences(field, value, strategy);
-        }
-
-        public static IJsonValue CleanReferences(this IField field, IJsonValue value, ICollection<Guid>? oldReferences)
-        {
-            if (IsNull(value))
-            {
-                return value;
-            }
-
-            return ReferencesCleaner.CleanReferences(field, value, oldReferences);
-        }
-
-        private static bool IsNull(IJsonValue value)
-        {
-            return value == null || value.Type == JsonValueType.Null;
-        }
-
-        public static JsonArray ToJsonArray(this HashSet<Guid> ids)
-        {
-            var result = JsonValue.Array();
-
-            foreach (var id in ids)
-            {
-                result.Add(JsonValue.Create(id.ToString()));
-            }
-
-            return result;
-        }
-
-        public static HashSet<Guid> ToGuidSet(this IJsonValue? value)
         {
             if (value is JsonArray array)
             {
-                var result = new HashSet<Guid>();
-
                 foreach (var id in array)
                 {
                     if (id.Type == JsonValueType.String && Guid.TryParse(id.ToString(), out var guid))
@@ -59,11 +24,7 @@ namespace Squidex.Domain.Apps.Core.ExtractReferenceIds
                         result.Add(guid);
                     }
                 }
-
-                return result;
             }
-
-            return new HashSet<Guid>();
         }
     }
 }

backend/src/Squidex.Domain.Apps.Core.Operations/ExtractReferenceIds/ReferencesExtractor.cs

@@ -9,31 +9,35 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using Squidex.Domain.Apps.Core.Schemas;
+using Squidex.Infrastructure;
 using Squidex.Infrastructure.Json.Objects;
 
 namespace Squidex.Domain.Apps.Core.ExtractReferenceIds
 {
-    public sealed class ReferencesExtractor : IFieldVisitor<IEnumerable<Guid>>
+    internal sealed class ReferencesExtractor : IFieldVisitor<None>
     {
-        private readonly IJsonValue? value;
+        private readonly HashSet<Guid> result;
-        private readonly Ids strategy;
+        private IJsonValue? value;
 
-        private ReferencesExtractor(IJsonValue? value, Ids strategy)
+        public HashSet<Guid> Result
         {
-            this.value = value;
+            get { return result; }
-
-            this.strategy = strategy;
         }
 
-        public static IEnumerable<Guid> ExtractReferences(IField field, IJsonValue? value, Ids strategy)
+        public ReferencesExtractor(HashSet<Guid> result)
         {
-            return field.Accept(new ReferencesExtractor(value, strategy));
+            Guard.NotNull(result);
+
+            this.result = result;
         }
 
-        public IEnumerable<Guid> Visit(IArrayField field)
+        public void SetValue(IJsonValue? newValue)
         {
-            var result = new List<Guid>();
+            value = newValue;
+        }
 
+        public None Visit(IArrayField field)
+        {
             if (value is JsonArray array)
             {
                 foreach (var item in array.OfType<JsonObject>())
@@ -42,75 +46,29 @@ namespace Squidex.Domain.Apps.Core.ExtractReferenceIds
                     {
                         if (item.TryGetValue(nestedField.Name, out var nestedValue))
                         {
-                            result.AddRange(nestedField.Accept(new ReferencesExtractor(nestedValue, strategy)));
+                            SetValue(nestedValue);
+
+                            nestedField.Accept(this);
                         }
                     }
                 }
             }
 
-            return result;
+            return None.Value;
-        }
-
-        public IEnumerable<Guid> Visit(IField<AssetsFieldProperties> field)
-        {
-            var ids = value.ToGuidSet();
-
-            return ids;
-        }
-
-        public IEnumerable<Guid> Visit(IField<ReferencesFieldProperties> field)
-        {
-            var ids = value.ToGuidSet();
-
-            if (strategy == Ids.All && field.Properties.SchemaIds != null)
-            {
-                foreach (var schemaId in field.Properties.SchemaIds)
-                {
-                    ids.Add(schemaId);
-                }
-            }
-
-            return ids;
         }
 
-        public IEnumerable<Guid> Visit(IField<BooleanFieldProperties> field)
+        public None Visit(IField<AssetsFieldProperties> field)
         {
-            return Enumerable.Empty<Guid>();
+            value.AddIds(result);
-        }
 
-        public IEnumerable<Guid> Visit(IField<DateTimeFieldProperties> field)
+            return None.Value;
-        {
-            return Enumerable.Empty<Guid>();
         }
 
-        public IEnumerable<Guid> Visit(IField<GeolocationFieldProperties> field)
+        public None Visit(IField<ReferencesFieldProperties> field)
         {
-            return Enumerable.Empty<Guid>();
+            value.AddIds(result);
-        }
 
-        public IEnumerable<Guid> Visit(IField<JsonFieldProperties> field)
+            return None.Value;
-        {
-            return Enumerable.Empty<Guid>();
-        }
-
-        public IEnumerable<Guid> Visit(IField<NumberFieldProperties> field)
-        {
-            return Enumerable.Empty<Guid>();
-        }
-
-        public IEnumerable<Guid> Visit(IField<StringFieldProperties> field)
-        {
-            return Enumerable.Empty<Guid>();
-        }
-
-        public IEnumerable<Guid> Visit(IField<TagsFieldProperties> field)
-        {
-            return Enumerable.Empty<Guid>();
-        }
-
-        public IEnumerable<Guid> Visit(IField<UIFieldProperties> field)
-        {
-            return Enumerable.Empty<Guid>();
         }
     }
 }

backend/src/Squidex.Domain.Apps.Core.Operations/ExtractReferenceIds/ValueReferencesConverter.cs

@@ -14,18 +14,25 @@ namespace Squidex.Domain.Apps.Core.ExtractReferenceIds
 {
     public static class ValueReferencesConverter
     {
-        public static ValueConverter CleanReferences(IEnumerable<Guid> deletedReferencedIds)
+        public static ValueConverter CleanReferences(HashSet<Guid>? validIds = null)
         {
-            var ids = new HashSet<Guid>(deletedReferencedIds);
+            if (validIds == null || validIds.Count == 0)
+            {
+                return (value, field) => value;
+            }
+
+            var cleaner = new ReferencesCleaner(validIds);
 
             return (value, field) =>
             {
                 if (value.Type == JsonValueType.Null)
                 {
-                    return value;
+                    return value!;
                 }
 
-                return field.CleanReferences(value, ids);
+                cleaner.SetValue(value);
+
+                return field.Accept(cleaner);
             };
         }
     }

backend/src/Squidex.Domain.Apps.Core.Operations/ExtractReferenceIds/Ids.cs → backend/src/Squidex.Domain.Apps.Core.Operations/ValidateContent/JsonError.cs

@@ -5,11 +5,15 @@
 //  All rights reserved. Licensed under the MIT license.
 // ==========================================================================
 
-namespace Squidex.Domain.Apps.Core.ExtractReferenceIds
+namespace Squidex.Domain.Apps.Core.ValidateContent
 {
-    public enum Ids
+    public sealed class JsonError
     {
-        All,
+        public string Error { get; }
-        ContentOnly
+
+        public JsonError(string error)
+        {
+            Error = error;
+        }
     }
 }

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Assets/MongoAssetRepository.cs

@@ -89,6 +89,18 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Assets
             }
         }
 
+        public async Task<IReadOnlyList<Guid>> QueryIdsAsync(Guid appId, HashSet<Guid> ids)
+        {
+            using (Profiler.TraceMethod<MongoAssetRepository>("QueryAsyncByIds"))
+            {
+                var find = Collection.Find(x => ids.Contains(x.Id)).Only(x => x.Id);
+
+                var assetItems = await find.ToListAsync();
+
+                return assetItems.Select(x => Guid.Parse(x["_si"].AsString)).ToList();
+            }
+        }
+
         public async Task<IResultList<IAssetEntity>> QueryAsync(Guid appId, HashSet<Guid> ids)
         {
             using (Profiler.TraceMethod<MongoAssetRepository>("QueryAsyncByIds"))

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/MongoContentEntity.cs

@@ -19,6 +19,7 @@ using Squidex.Infrastructure.MongoDb;
 
 namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
 {
+    [BsonIgnoreExtraElements]
     public sealed class MongoContentEntity : IContentEntity, IVersionedEntity<Guid>
     {
         private NamedContentData? data;
@@ -42,12 +43,7 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
         [BsonRequired]
         [BsonElement("rf")]
         [BsonRepresentation(BsonType.String)]
-        public List<Guid>? ReferencedIds { get; set; }
+        public HashSet<Guid>? ReferencedIds { get; set; }
-
-        [BsonRequired]
-        [BsonElement("rd")]
-        [BsonRepresentation(BsonType.String)]
-        public List<Guid> ReferencedIdsDeleted { get; set; } = new List<Guid>();
 
         [BsonRequired]
         [BsonElement("ss")]
@@ -122,11 +118,11 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
 
         public void ParseData(Schema schema, IJsonSerializer serializer)
         {
-            data = DataByIds?.FromMongoModel(schema, ReferencedIdsDeleted, serializer);
+            data = DataByIds?.FromMongoModel(schema, serializer);
 
             if (DataDraftByIds != null)
             {
-                dataDraft = DataDraftByIds.FromMongoModel(schema, ReferencedIdsDeleted, serializer);
+                dataDraft = DataDraftByIds.FromMongoModel(schema, serializer);
             }
         }
     }

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/MongoContentRepository.cs

@@ -36,7 +36,6 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
         private readonly IJsonSerializer serializer;
         private readonly string typeAssetDeleted;
         private readonly string typeContentDeleted;
-        private readonly CleanupReferences cleanupReferences;
         private readonly QueryContent queryContentAsync;
         private readonly QueryContentsByIds queryContentsById;
         private readonly QueryContentsByQuery queryContentsByQuery;
@@ -59,7 +58,6 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
 
             this.serializer = serializer;
 
-            cleanupReferences = new CleanupReferences();
             queryContentAsync = new QueryContent(serializer);
             queryContentsById = new QueryContentsByIds(serializer, appProvider);
             queryContentsByQuery = new QueryContentsByQuery(serializer, indexer);
@@ -72,7 +70,6 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
 
         protected override async Task SetupCollectionAsync(IMongoCollection<MongoContentEntity> collection, CancellationToken ct = default)
         {
-            await cleanupReferences.PrepareAsync(collection, ct);
             await queryContentAsync.PrepareAsync(collection, ct);
             await queryContentsById.PrepareAsync(collection, ct);
             await queryContentsByQuery.PrepareAsync(collection, ct);

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/MongoContentRepository_EventHandling.cs

@@ -1,52 +0,0 @@
-// ==========================================================================
-//  Squidex Headless CMS
-// ==========================================================================
-//  Copyright (c) Squidex UG (haftungsbeschränkt)
-//  All rights reserved. Licensed under the MIT license.
-// ==========================================================================
-
-using System.Threading.Tasks;
-using Squidex.Domain.Apps.Events.Assets;
-using Squidex.Domain.Apps.Events.Contents;
-using Squidex.Infrastructure.EventSourcing;
-using Squidex.Infrastructure.Tasks;
-
-namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
-{
-    public partial class MongoContentRepository : IEventConsumer
-    {
-        public string Name
-        {
-            get { return GetType().Name; }
-        }
-
-        public string EventsFilter
-        {
-            get { return "^(content-)|(asset-)"; }
-        }
-
-        public bool Handles(StoredEvent @event)
-        {
-            return @event.Data.Type == typeAssetDeleted || @event.Data.Type == typeContentDeleted;
-        }
-
-        public Task On(Envelope<IEvent> @event)
-        {
-            switch (@event.Payload)
-            {
-                case AssetDeleted e:
-                    return cleanupReferences.DoAsync(e.AssetId);
-
-                case ContentDeleted e:
-                    return cleanupReferences.DoAsync(e.ContentId);
-            }
-
-            return TaskHelper.Done;
-        }
-
-        Task IEventConsumer.ClearAsync()
-        {
-            return TaskHelper.Done;
-        }
-    }
-}

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/MongoContentRepository_SnapshotStore.cs

@@ -9,6 +9,7 @@ using System;
 using System.Threading;
 using System.Threading.Tasks;
 using MongoDB.Driver;
+using Squidex.Domain.Apps.Core.ExtractReferenceIds;
 using Squidex.Domain.Apps.Entities.Contents.State;
 using Squidex.Domain.Apps.Entities.Schemas;
 using Squidex.Infrastructure;
@@ -66,7 +67,7 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
 
                 var schema = await GetSchemaAsync(value.AppId.Id, value.SchemaId.Id);
 
-                var idData = value.Data!.ToMongoModel(schema.SchemaDef, serializer);
+                var idData = value.Data.ToMongoModel(schema.SchemaDef, serializer);
                 var idDraftData = idData;
 
                 if (!ReferenceEquals(value.Data, value.DataDraft))
@@ -81,7 +82,7 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
                     IsDeleted = value.IsDeleted,
                     IndexedAppId = value.AppId.Id,
                     IndexedSchemaId = value.SchemaId.Id,
-                    ReferencedIds = idData.ToReferencedIds(schema.SchemaDef),
+                    ReferencedIds = value.Data.GetReferencedIds(schema.SchemaDef),
                     ScheduledAt = value.ScheduleJob?.DueTime,
                     Version = newVersion
                 });

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/Operations/CleanupReferences.cs

@@ -1,35 +0,0 @@
-// ==========================================================================
-//  Squidex Headless CMS
-// ==========================================================================
-//  Copyright (c) Squidex UG (haftungsbeschraenkt)
-//  All rights reserved. Licensed under the MIT license.
-// ==========================================================================
-
-using System;
-using System.Threading;
-using System.Threading.Tasks;
-using MongoDB.Driver;
-
-namespace Squidex.Domain.Apps.Entities.MongoDb.Contents.Operations
-{
-    internal sealed class CleanupReferences : OperationBase
-    {
-        protected override Task PrepareAsync(CancellationToken ct = default)
-        {
-            var index =
-                new CreateIndexModel<MongoContentEntity>(
-                    Index.Ascending(x => x.ReferencedIds));
-
-            return Collection.Indexes.CreateOneAsync(index, cancellationToken: ct);
-        }
-
-        public Task DoAsync(Guid id)
-        {
-            return Collection.UpdateManyAsync(
-                Filter.And(
-                    Filter.AnyEq(x => x.ReferencedIds, id),
-                    Filter.AnyNe(x => x.ReferencedIdsDeleted, id)),
-                Update.AddToSet(x => x.ReferencedIdsDeleted, id));
-        }
-    }
-}

backend/src/Squidex.Domain.Apps.Entities.MongoDb/Contents/Operations/Extensions.cs

@@ -6,12 +6,10 @@
 // ==========================================================================
 
 using System;
-using System.Collections.Generic;
 using System.Linq;
 using MongoDB.Driver;
 using Squidex.Domain.Apps.Core.Contents;
 using Squidex.Domain.Apps.Core.ConvertContent;
-using Squidex.Domain.Apps.Core.ExtractReferenceIds;
 using Squidex.Domain.Apps.Core.Schemas;
 using Squidex.Infrastructure.Json;
 using Squidex.Infrastructure.MongoDb;
@@ -20,20 +18,13 @@ namespace Squidex.Domain.Apps.Entities.MongoDb.Contents
 {
     public static class Extensions
     {
-        public static List<Guid> ToReferencedIds(this IdContentData data, Schema schema)
+        public static NamedContentData FromMongoModel(this IdContentData result, Schema schema, IJsonSerializer serializer)
-        {
-            return data.GetReferencedIds(schema).Distinct().ToList();
-        }
-
-        public static NamedContentData FromMongoModel(this IdContentData result, Schema schema, List<Guid> deletedIds, IJsonSerializer serializer)
         {
             return result.ConvertId2Name(schema,
                 FieldConverters.ForValues(
-                    ValueConverters.DecodeJson(serializer),
+                    ValueConverters.DecodeJson(serializer)),
-                    ValueReferencesConverter.CleanReferences(deletedIds)),
                 FieldConverters.ForNestedId2Name(
-                    ValueConverters.DecodeJson(serializer),
+                    ValueConverters.DecodeJson(serializer)));
-                    ValueReferencesConverter.CleanReferences(deletedIds)));
         }
 
         public static IdContentData ToMongoModel(this NamedContentData result, Schema schema, IJsonSerializer serializer)

backend/src/Squidex.Domain.Apps.Entities/Assets/Repositories/IAssetRepository.cs

@@ -21,6 +21,8 @@ namespace Squidex.Domain.Apps.Entities.Assets.Repositories
 
         Task<IResultList<IAssetEntity>> QueryAsync(Guid appId, HashSet<Guid> ids);
 
+        Task<IReadOnlyList<Guid>> QueryIdsAsync(Guid appId, HashSet<Guid> ids);
+
         Task<IAssetEntity?> FindAssetAsync(Guid id);
 
         Task<IAssetEntity?> FindAssetBySlugAsync(Guid appId, string slug);

backend/src/Squidex.Domain.Apps.Entities/Contents/ContentDomainObject.cs

@@ -83,7 +83,7 @@ namespace Squidex.Domain.Apps.Entities.Contents
                                 });
                         }
 
-                        await ctx.EnrichAsync(c.Data);
+                        await ctx.GenerateDefaultValuesAsync(c.Data);
 
                         if (!c.DoNotValidate)
                         {

backend/src/Squidex.Domain.Apps.Entities/Contents/ContentOperationContext.cs

@@ -9,7 +9,7 @@ using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
 using Squidex.Domain.Apps.Core.Contents;
-using Squidex.Domain.Apps.Core.EnrichContent;
+using Squidex.Domain.Apps.Core.DefaultValues;
 using Squidex.Domain.Apps.Core.Schemas;
 using Squidex.Domain.Apps.Core.Scripting;
 using Squidex.Domain.Apps.Core.ValidateContent;
@@ -76,9 +76,9 @@ namespace Squidex.Domain.Apps.Entities.Contents
             return context;
         }
 
-        public Task EnrichAsync(NamedContentData data)
+        public Task GenerateDefaultValuesAsync(NamedContentData data)
         {
-            data.Enrich(schemaEntity.SchemaDef, appEntity.PartitionResolver());
+            data.GenerateDefaultValues(schemaEntity.SchemaDef, appEntity.PartitionResolver());
 
             return TaskHelper.Done;
         }

backend/src/Squidex.Domain.Apps.Entities/Contents/Queries/ContentEnricher.cs

@@ -74,7 +74,10 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries
 
                     foreach (var step in steps)
                     {
-                        await step.EnrichAsync(context, results, GetSchema);
+                        using (Profiler.TraceMethod(step.ToString()!))
+                        {
+                            await step.EnrichAsync(context, results, GetSchema);
+                        }
                     }
                 }
 

backend/src/Squidex.Domain.Apps.Entities/Contents/Queries/Steps/ConvertData.cs

@@ -5,10 +5,14 @@
 //  All rights reserved. Licensed under the MIT license.
 // ==========================================================================
 
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 using Squidex.Domain.Apps.Core.ConvertContent;
+using Squidex.Domain.Apps.Core.ExtractReferenceIds;
+using Squidex.Domain.Apps.Entities.Assets.Repositories;
+using Squidex.Domain.Apps.Entities.Contents.Repositories;
 using Squidex.Infrastructure;
 
 namespace Squidex.Domain.Apps.Entities.Contents.Queries.Steps
@@ -16,20 +20,28 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries.Steps
     public sealed class ConvertData : IContentEnricherStep
     {
         private readonly IAssetUrlGenerator assetUrlGenerator;
+        private readonly IAssetRepository assetRepository;
+        private readonly IContentRepository contentRepository;
 
-        public ConvertData(IAssetUrlGenerator assetUrlGenerator)
+        public ConvertData(IAssetUrlGenerator assetUrlGenerator, IAssetRepository assetRepository, IContentRepository contentRepository)
         {
             Guard.NotNull(assetUrlGenerator);
+            Guard.NotNull(assetRepository);
+            Guard.NotNull(contentRepository);
 
             this.assetUrlGenerator = assetUrlGenerator;
+            this.assetRepository = assetRepository;
+            this.contentRepository = contentRepository;
         }
 
         public async Task EnrichAsync(Context context, IEnumerable<ContentEntity> contents, ProvideSchema schemas)
         {
-            var converters = GenerateConverters(context).ToArray();
-
             var resolveDataDraft = context.IsUnpublished() || context.IsFrontendClient;
 
+            var referenceCleaner = await CleanReferencesAsync(context, contents, schemas);
+
+            var converters = GenerateConverters(context, referenceCleaner).ToArray();
+
             foreach (var group in contents.GroupBy(x => x.SchemaId.Id))
             {
                 var schema = await schemas(group.Key);
@@ -53,7 +65,51 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries.Steps
             }
         }
 
-        private IEnumerable<FieldConverter> GenerateConverters(Context context)
+        private async Task<ValueConverter?> CleanReferencesAsync(Context context, IEnumerable<ContentEntity> contents, ProvideSchema schemas)
+        {
+            var ids = new HashSet<Guid>();
+
+            foreach (var group in contents.GroupBy(x => x.SchemaId.Id))
+            {
+                var schema = await schemas(group.Key);
+
+                foreach (var content in group)
+                {
+                    content.Data?.AddReferencedIds(schema.SchemaDef, ids);
+                    content.DataDraft?.AddReferencedIds(schema.SchemaDef, ids);
+                }
+            }
+
+            if (ids.Count > 0)
+            {
+                var taskForAssets = QueryAssetIdsAsync(context, ids);
+                var taskForContents = QueryContentIdsAsync(context, ids);
+
+                await Task.WhenAll(taskForAssets, taskForContents);
+
+                var foundIds = new HashSet<Guid>(taskForAssets.Result.Union(taskForContents.Result));
+
+                return ValueReferencesConverter.CleanReferences(foundIds);
+            }
+
+            return null;
+        }
+
+        private async Task<IEnumerable<Guid>> QueryContentIdsAsync(Context context, HashSet<Guid> ids)
+        {
+            var result = await contentRepository.QueryIdsAsync(context.App.Id, ids);
+
+            return result.Select(x => x.Id);
+        }
+
+        private async Task<IEnumerable<Guid>> QueryAssetIdsAsync(Context context, HashSet<Guid> ids)
+        {
+            var result = await assetRepository.QueryIdsAsync(context.App.Id, ids);
+
+            return result;
+        }
+
+        private IEnumerable<FieldConverter> GenerateConverters(Context context, ValueConverter? cleanReferences)
         {
             if (!context.IsFrontendClient)
             {
@@ -64,6 +120,12 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries.Steps
             yield return FieldConverters.ExcludeChangedTypes();
             yield return FieldConverters.ForNestedName2Name(ValueConverters.ExcludeChangedTypes());
 
+            if (cleanReferences != null)
+            {
+                yield return FieldConverters.ForValues(cleanReferences);
+                yield return FieldConverters.ForNestedName2Name(cleanReferences);
+            }
+
             yield return FieldConverters.ResolveInvariant(context.App.LanguagesConfig);
             yield return FieldConverters.ResolveLanguages(context.App.LanguagesConfig);
 

backend/src/Squidex.Domain.Apps.Entities/Contents/Queries/Steps/ResolveAssets.cs

@@ -63,6 +63,8 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries.Steps
 
         private void ResolveAssetsUrls(ISchemaEntity schema, IGrouping<Guid, ContentEntity> contents, ILookup<Guid, IEnrichedAssetEntity> assets)
         {
+            var temp = new HashSet<Guid>();
+
             foreach (var field in schema.SchemaDef.ResolvingAssets())
             {
                 foreach (var content in contents)
@@ -79,7 +81,7 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries.Steps
                         foreach (var (partitionKey, partitionValue) in fieldData)
                         {
                             var referencedImage =
-                                field.GetReferencedIds(partitionValue, Ids.ContentOnly)
+                                field.GetReferencedIds(partitionValue)
                                     .Select(x => assets[x])
                                     .SelectMany(x => x)
                                     .FirstOrDefault(x => x.Type == AssetType.Image);
@@ -117,7 +119,7 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries.Steps
         {
             foreach (var content in contents)
             {
-                ids.AddRange(content.DataDraft.GetReferencedIds(schema.SchemaDef.ResolvingAssets(), Ids.ContentOnly));
+                content.DataDraft.AddReferencedIds(schema.SchemaDef.ResolvingAssets(), ids);
             }
         }
 

backend/src/Squidex.Domain.Apps.Entities/Contents/Queries/Steps/ResolveReferences.cs

@@ -81,7 +81,7 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries.Steps
                             foreach (var (partition, partitionValue) in fieldData)
                             {
                                 var referencedContents =
-                                    field.GetReferencedIds(partitionValue, Ids.ContentOnly)
+                                    field.GetReferencedIds(partitionValue)
                                         .Select(x => references[x])
                                         .SelectMany(x => x)
                                         .ToList();
@@ -143,7 +143,7 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries.Steps
         {
             foreach (var content in contents)
             {
-                ids.AddRange(content.DataDraft.GetReferencedIds(schema.SchemaDef.ResolvingReferences(), Ids.ContentOnly));
+                content.DataDraft.AddReferencedIds(schema.SchemaDef.ResolvingReferences(), ids);
             }
         }
 

backend/src/Squidex.Infrastructure/Json/Objects/JsonArray.cs

@@ -25,6 +25,11 @@ namespace Squidex.Infrastructure.Json.Objects
         {
         }
 
+        public JsonArray(JsonArray source)
+            : base(source)
+        {
+        }
+
         internal JsonArray(params object?[] values)
             : base(ToList(values))
         {

backend/src/Squidex.Infrastructure/Json/Objects/JsonValue.cs

@@ -68,6 +68,8 @@ namespace Squidex.Infrastructure.Json.Objects
                     return Create(i);
                 case long l:
                     return Create(l);
+                case Guid g:
+                    return Create(g);
                 case Instant i:
                     return Create(i);
             }
@@ -75,6 +77,11 @@ namespace Squidex.Infrastructure.Json.Objects
             throw new ArgumentException("Invalid json type");
         }
 
+        public static IJsonValue Create(Guid value)
+        {
+            return Create(value.ToString());
+        }
+
         public static IJsonValue Create(bool value)
         {
             return value ? True : False;

backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/ConvertContent/FieldConvertersTests.cs

@@ -36,7 +36,7 @@ namespace Squidex.Domain.Apps.Core.Operations.ConvertContent
 
             var input =
                 new ContentFieldData()
-                    .AddValue("iv", JsonValue.Object());
+                    .AddJsonValue(JsonValue.Object());
 
             var actual = FieldConverters.ForValues((f, i) => Value.Unset)(input, field);
 
@@ -52,7 +52,7 @@ namespace Squidex.Domain.Apps.Core.Operations.ConvertContent
 
             var input =
                 new ContentFieldData()
-                    .AddValue("iv", JsonValue.Object());
+                    .AddJsonValue(JsonValue.Object());
 
             var actual = FieldConverters.ForValues(ValueConverters.EncodeJson(TestUtils.DefaultSerializer))(input, field);
 
@@ -73,7 +73,7 @@ namespace Squidex.Domain.Apps.Core.Operations.ConvertContent
 
             var input =
                 new ContentFieldData()
-                    .AddValue("iv",
+                    .AddJsonValue(
                         JsonValue.Array(
                             JsonValue.Object()
                                 .Add("field1", 100)
@@ -84,7 +84,7 @@ namespace Squidex.Domain.Apps.Core.Operations.ConvertContent
 
             var expected =
                new ContentFieldData()
-                    .AddValue("iv",
+                    .AddJsonValue(
                         JsonValue.Array(
                             JsonValue.Object()
                                 .Add("1", 100)));
@@ -102,7 +102,7 @@ namespace Squidex.Domain.Apps.Core.Operations.ConvertContent
 
             var input =
                 new ContentFieldData()
-                    .AddValue("iv",
+                    .AddJsonValue(
                         JsonValue.Array(
                             JsonValue.Object()
                                 .Add("field1", 100)
@@ -113,7 +113,7 @@ namespace Squidex.Domain.Apps.Core.Operations.ConvertContent
 
             var expected =
                 new ContentFieldData()
-                    .AddValue("iv",
+                    .AddJsonValue(
                         JsonValue.Array(
                             JsonValue.Object()
                                 .Add("field1", 100)));
@@ -479,11 +479,11 @@ namespace Squidex.Domain.Apps.Core.Operations.ConvertContent
 
             var source =
                 new ContentFieldData()
-                    .AddValue("iv", JsonValue.Array("1", "2"));
+                    .AddJsonValue(JsonValue.Array("1", "2"));
 
             var expected =
                 new ContentFieldData()
-                    .AddValue("iv", JsonValue.Array("url/to/1", "url/to/2"));
+                    .AddJsonValue(JsonValue.Array("url/to/1", "url/to/2"));
 
             var result = FieldConverters.ResolveAssetUrls(new HashSet<string>(new[] { "assets" }), assetUrlGenerator)(source, field);
 
@@ -499,13 +499,13 @@ namespace Squidex.Domain.Apps.Core.Operations.ConvertContent
 
             var source =
                 new ContentFieldData()
-                    .AddValue("iv", JsonValue.Array(
+                    .AddJsonValue(JsonValue.Array(
                         JsonValue.Object()
                             .Add("assets", JsonValue.Array("1", "2"))));
 
             var expected =
                 new ContentFieldData()
-                    .AddValue("iv", JsonValue.Array(
+                    .AddJsonValue(JsonValue.Array(
                         JsonValue.Object()
                             .Add("assets", JsonValue.Array("url/to/1", "url/to/2"))));
 
@@ -521,11 +521,11 @@ namespace Squidex.Domain.Apps.Core.Operations.ConvertContent
 
             var source =
                 new ContentFieldData()
-                    .AddValue("iv", JsonValue.Array("1", "2"));
+                    .AddJsonValue(JsonValue.Array("1", "2"));
 
             var expected =
                 new ContentFieldData()
-                    .AddValue("iv", JsonValue.Array("url/to/1", "url/to/2"));
+                    .AddJsonValue(JsonValue.Array("url/to/1", "url/to/2"));
 
             var result = FieldConverters.ResolveAssetUrls(new HashSet<string>(new[] { "*" }), assetUrlGenerator)(source, field);
 
@@ -541,13 +541,13 @@ namespace Squidex.Domain.Apps.Core.Operations.ConvertContent
 
             var source =
                 new ContentFieldData()
-                    .AddValue("iv", JsonValue.Array(
+                    .AddJsonValue(JsonValue.Array(
                         JsonValue.Object()
                             .Add("assets", JsonValue.Array("1", "2"))));
 
             var expected =
                 new ContentFieldData()
-                    .AddValue("iv", JsonValue.Array(
+                    .AddJsonValue(JsonValue.Array(
                         JsonValue.Object()
                             .Add("assets", JsonValue.Array("url/to/1", "url/to/2"))));
 
@@ -563,11 +563,11 @@ namespace Squidex.Domain.Apps.Core.Operations.ConvertContent
 
             var source =
                 new ContentFieldData()
-                    .AddValue("iv", JsonValue.Array("1", "2"));
+                    .AddJsonValue(JsonValue.Array("1", "2"));
 
             var expected =
                 new ContentFieldData()
-                    .AddValue("iv", JsonValue.Array("1", "2"));
+                    .AddJsonValue(JsonValue.Array("1", "2"));
 
             var result = FieldConverters.ResolveAssetUrls(new HashSet<string>(new[] { "other" }), assetUrlGenerator)(source, field);
 
@@ -581,11 +581,11 @@ namespace Squidex.Domain.Apps.Core.Operations.ConvertContent
 
             var source =
                 new ContentFieldData()
-                    .AddValue("iv", JsonValue.Array("1", "2"));
+                    .AddJsonValue(JsonValue.Array("1", "2"));
 
             var expected =
                 new ContentFieldData()
-                    .AddValue("iv", JsonValue.Array("1", "2"));
+                    .AddJsonValue(JsonValue.Array("1", "2"));
 
             var result = FieldConverters.ResolveAssetUrls(null, assetUrlGenerator)(source, field);
 

backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/EnrichContent/ContentEnrichmentTests.cs → backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/DefaultValues/DefaultValuesTests.cs

@@ -8,7 +8,7 @@
 using NodaTime;
 using Squidex.Domain.Apps.Core.Apps;
 using Squidex.Domain.Apps.Core.Contents;
-using Squidex.Domain.Apps.Core.EnrichContent;
+using Squidex.Domain.Apps.Core.DefaultValues;
 using Squidex.Domain.Apps.Core.Schemas;
 using Squidex.Infrastructure;
 using Squidex.Infrastructure.Json.Objects;
@@ -16,15 +16,15 @@ using Xunit;
 
 #pragma warning disable xUnit2004 // Do not use equality check to test for boolean conditions
 
-namespace Squidex.Domain.Apps.Core.Operations.EnrichContent
+namespace Squidex.Domain.Apps.Core.Operations.DefaultValues
 {
-    public class ContentEnrichmentTests
+    public class DefaultValuesTests
     {
         private readonly Instant now = Instant.FromUtc(2017, 10, 12, 16, 30, 10);
         private readonly LanguagesConfig languagesConfig = LanguagesConfig.English.Set(Language.DE);
         private readonly Schema schema;
 
-        public ContentEnrichmentTests()
+        public DefaultValuesTests()
         {
             schema =
                 new Schema("my-schema")
@@ -50,7 +50,7 @@ namespace Squidex.Domain.Apps.Core.Operations.EnrichContent
                         new ContentFieldData()
                             .AddValue("iv", 456));
 
-            data.Enrich(schema, languagesConfig.ToResolver());
+            data.GenerateDefaultValues(schema, languagesConfig.ToResolver());
 
             Assert.Equal(456, ((JsonScalar<double>)data["my-number"]!["iv"]).Value);
 
@@ -74,7 +74,7 @@ namespace Squidex.Domain.Apps.Core.Operations.EnrichContent
                         new ContentFieldData()
                             .AddValue("iv", 456));
 
-            data.Enrich(schema, languagesConfig.ToResolver());
+            data.GenerateDefaultValues(schema, languagesConfig.ToResolver());
 
             Assert.Equal("en-string", data["my-string"]!["de"].ToString());
             Assert.Equal("en-string", data["my-string"]!["en"].ToString());

backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/ExtractReferenceIds/ReferenceExtractionTests.cs

@@ -6,6 +6,7 @@
 // ==========================================================================
 
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using Squidex.Domain.Apps.Core.Contents;
 using Squidex.Domain.Apps.Core.ConvertContent;
@@ -21,39 +22,16 @@ namespace Squidex.Domain.Apps.Core.Operations.ExtractReferenceIds
 {
     public class ReferenceExtractionTests
     {
-        private readonly Guid schemaId = Guid.NewGuid();
         private readonly Schema schema;
 
         public ReferenceExtractionTests()
         {
             schema =
                 new Schema("my-schema")
-                    .AddNumber(1, "field1", Partitioning.Language)
+                    .AddReferences(1, "references", Partitioning.Invariant)
-                    .AddNumber(2, "field2", Partitioning.Invariant)
+                    .AddAssets(2, "assets", Partitioning.Invariant)
-                    .AddNumber(3, "field3", Partitioning.Invariant)
+                    .AddArray(3, "array", Partitioning.Invariant, a => a
-                    .AddAssets(5, "assets1", Partitioning.Invariant)
+                        .AddAssets(31, "nested"));
-                    .AddAssets(6, "assets2", Partitioning.Invariant)
-                    .AddArray(7, "array", Partitioning.Invariant, a => a
-                        .AddAssets(71, "assets71"))
-                    .AddJson(4, "json", Partitioning.Language)
-                    .UpdateField(3, f => f.Hide());
-        }
-
-        [Fact]
-        public void Should_get_ids_from_id_data()
-        {
-            var id1 = Guid.NewGuid();
-            var id2 = Guid.NewGuid();
-
-            var input =
-                new IdContentData()
-                    .AddField(5,
-                        new ContentFieldData()
-                            .AddValue("iv", JsonValue.Array(id1.ToString(), id2.ToString())));
-
-            var ids = input.GetReferencedIds(schema).ToArray();
-
-            Assert.Equal(new[] { id1, id2 }, ids);
         }
 
         [Fact]
@@ -64,11 +42,13 @@ namespace Squidex.Domain.Apps.Core.Operations.ExtractReferenceIds
 
             var input =
                 new NamedContentData()
-                    .AddField("assets1",
+                    .AddField("assets",
                         new ContentFieldData()
-                            .AddValue("iv", JsonValue.Array(id1.ToString(), id2.ToString())));
+                            .AddJsonValue(JsonValue.Array(id1.ToString(), id2.ToString())));
 
-            var ids = input.GetReferencedIds(schema).ToArray();
+            var ids = new HashSet<Guid>();
+
+            input.AddReferencedIds(schema, ids);
 
             Assert.Equal(new[] { id1, id2 }, ids);
         }
@@ -79,53 +59,44 @@ namespace Squidex.Domain.Apps.Core.Operations.ExtractReferenceIds
             var id1 = Guid.NewGuid();
             var id2 = Guid.NewGuid();
 
-            var input =
+            var source =
-                new IdContentData()
+                new NamedContentData()
-                    .AddField(5,
+                    .AddField("references",
                         new ContentFieldData()
-                            .AddValue("iv", JsonValue.Array(id1.ToString(), id2.ToString())));
+                            .AddJsonValue(JsonValue.Array(id1, id2)))
-
+                    .AddField("assets",
-            var converter = FieldConverters.ForValues(ValueReferencesConverter.CleanReferences(new[] { id2 }));
+                        new ContentFieldData()
-
+                            .AddJsonValue(JsonValue.Array(id1)))
-            var actual = input.ConvertId2Id(schema, converter);
+                    .AddField("array",
-
+                        new ContentFieldData()
-            var cleanedValue = (JsonArray)actual[5]!["iv"];
+                            .AddJsonValue(
-
+                                JsonValue.Array(
-            Assert.Equal(1, cleanedValue.Count);
+                                    JsonValue.Object()
-            Assert.Equal(id1.ToString(), cleanedValue[0].ToString());
+                                        .Add("nested", JsonValue.Array(id1, id2)))));
-        }
-
-        [Fact]
-        public void Should_return_ids_from_assets_field()
-        {
-            var id1 = Guid.NewGuid();
-            var id2 = Guid.NewGuid();
-
-            var sut = Fields.Assets(1, "my-asset", Partitioning.Invariant);
-
-            var result = sut.GetReferencedIds(CreateValue(id1, id2)).ToArray();
-
-            Assert.Equal(new[] { id1, id2 }, result);
-        }
-
-        [Fact]
-        public void Should_return_empty_list_from_assets_field_for_referenced_ids_when_null()
-        {
-            var sut = Fields.Assets(1, "my-asset", Partitioning.Invariant);
 
-            var result = sut.GetReferencedIds(null).ToArray();
+            var expected =
+                new NamedContentData()
+                    .AddField("references",
+                        new ContentFieldData()
+                            .AddJsonValue(JsonValue.Array(id2)))
+                    .AddField("assets",
+                        new ContentFieldData()
+                            .AddJsonValue(JsonValue.Array()))
+                    .AddField("array",
+                        new ContentFieldData()
+                            .AddJsonValue(
+                                JsonValue.Array(
+                                    JsonValue.Object()
+                                        .Add("nested", JsonValue.Array(id2)))));
 
-            Assert.Empty(result);
+            var cleaner = ValueReferencesConverter.CleanReferences(new HashSet<Guid> { id2 });
-        }
 
-        [Fact]
+            var converter = FieldConverters.ForValues(cleaner);
-        public void Should_return_empty_list_from_assets_field_for_referenced_ids_when_other_type()
+            var converterNested = FieldConverters.ForNestedName2Name(cleaner);
-        {
-            var sut = Fields.Assets(1, "my-asset", Partitioning.Invariant);
 
-            var result = sut.GetReferencedIds(JsonValue.Create("invalid")).ToArray();
+            var actual = source.ConvertName2Name(schema, converter, converterNested);
 
-            Assert.Empty(result);
+            Assert.Equal(expected, actual);
         }
 
         [Fact]
@@ -138,171 +109,127 @@ namespace Squidex.Domain.Apps.Core.Operations.ExtractReferenceIds
             Assert.Empty(result);
         }
 
-        [Fact]
+        [Theory]
-        public void Should_return_null_from_assets_field_when_removing_references_from_null_array()
+        [MemberData(nameof(ReferencingNestedFields))]
-        {
+        public void Should_return_ids_from_nested_field(NestedField field)
-            var sut = Fields.Assets(1, "my-asset", Partitioning.Invariant);
-
-            var result = sut.CleanReferences(JsonValue.Null, null);
-
-            Assert.Equal(JsonValue.Null, result);
-        }
-
-        [Fact]
-        public void Should_remove_deleted_references_from_assets_field()
         {
             var id1 = Guid.NewGuid();
             var id2 = Guid.NewGuid();
 
-            var sut = Fields.Assets(1, "my-asset", Partitioning.Invariant);
+            var arrayField = Fields.Array(1, "my-array", Partitioning.Invariant, field);
-
-            var result = sut.CleanReferences(CreateValue(id1, id2), HashSet.Of(id2));
-
-            Assert.Equal(CreateValue(id1), result);
-        }
-
-        [Fact]
-        public void Should_return_same_token_from_assets_field_when_removing_references_and_nothing_to_remove()
-        {
-            var id1 = Guid.NewGuid();
-            var id2 = Guid.NewGuid();
-
-            var sut = Fields.Assets(1, "my-asset", Partitioning.Invariant);
-
-            var token = CreateValue(id1, id2);
-
-            var result = sut.CleanReferences(token, HashSet.Of(Guid.NewGuid()));
-
-            Assert.Same(token, result);
-        }
-
-        [Fact]
-        public void Should_return_ids_from_nested_references_field()
-        {
-            var id1 = Guid.NewGuid();
-            var id2 = Guid.NewGuid();
-
-            var sut =
-                Fields.Array(1, "my-array", Partitioning.Invariant,
-                    Fields.References(1, "my-refs",
-                        new ReferencesFieldProperties { SchemaId = schemaId }));
 
             var value =
                 JsonValue.Array(
                     JsonValue.Object()
-                        .Add("my-refs", CreateValue(id1, id2)));
+                        .Add(field.Name, CreateValue(id1, id2)));
 
-            var result = sut.GetReferencedIds(value).ToArray();
+            var result = arrayField.GetReferencedIds(value).ToArray();
 
-            Assert.Equal(new[] { id1, id2, schemaId }, result);
+            Assert.Equal(new[] { id1, id2 }, result);
         }
 
-        [Fact]
+        [Theory]
-        public void Should_return_ids_from_references_field()
+        [MemberData(nameof(ReferencingFields))]
+        public void Should_return_empty_list_from_field_when_value_item_is_invalid(IField field)
         {
-            var id1 = Guid.NewGuid();
+            var result = field.GetReferencedIds(JsonValue.Array("invalid")).ToArray();
-            var id2 = Guid.NewGuid();
 
-            var sut = Fields.References(1, "my-refs", Partitioning.Invariant,
+            Assert.Empty(result);
-                new ReferencesFieldProperties { SchemaId = schemaId });
+        }
 
-            var result = sut.GetReferencedIds(CreateValue(id1, id2)).ToArray();
+        [Theory]
+        [MemberData(nameof(ReferencingFields))]
+        public void Should_return_empty_list_from_field_when_value_is_invalid(IField field)
+        {
+            var result = field.GetReferencedIds(JsonValue.Create("invalid")).ToArray();
 
-            Assert.Equal(new[] { id1, id2, schemaId }, result);
+            Assert.Empty(result);
         }
 
-        [Fact]
+        [Theory]
-        public void Should_return_ids_from_references_field_without_schema_id()
+        [MemberData(nameof(ReferencingFields))]
+        public void Should_return_empty_list_from_field_when_value_is_empty(IField field)
         {
-            var id1 = Guid.NewGuid();
+            var result = field.GetReferencedIds(JsonValue.Array()).ToArray();
-            var id2 = Guid.NewGuid();
 
-            var sut = Fields.References(1, "my-refs", Partitioning.Invariant,
+            Assert.Empty(result);
-                new ReferencesFieldProperties { SchemaId = schemaId });
+        }
 
-            var result = sut.GetReferencedIds(CreateValue(id1, id2), Ids.ContentOnly).ToArray();
+        [Theory]
+        [MemberData(nameof(ReferencingFields))]
+        public void Should_return_empty_list_from_field_when_value_is_json_null(IField field)
+        {
+            var result = field.GetReferencedIds(null).ToArray();
 
-            Assert.Equal(new[] { id1, id2 }, result);
+            Assert.Empty(result);
         }
 
-        [Fact]
+        [Theory]
-        public void Should_return_list_from_references_field_with_schema_id_list_for_referenced_ids_when_null()
+        [MemberData(nameof(ReferencingFields))]
+        public void Should_return_empty_list_from_field_when_value_is_null(IField field)
         {
-            var sut = Fields.References(1, "my-refs", Partitioning.Invariant,
+            var result = field.GetReferencedIds(null).ToArray();
-                new ReferencesFieldProperties { SchemaId = schemaId });
 
-            var result = sut.GetReferencedIds(JsonValue.Null).ToArray();
+            Assert.Empty(result);
-
-            Assert.Equal(new[] { schemaId }, result);
         }
 
-        [Fact]
+        [Theory]
-        public void Should_return_list_from_references_field_with_schema_id_for_referenced_ids_when_other_type()
+        [MemberData(nameof(ReferencingFields))]
+        public void Should_return_ids_from_field(IField field)
         {
-            var sut = Fields.References(1, "my-refs", Partitioning.Invariant,
+            var id1 = Guid.NewGuid();
-                new ReferencesFieldProperties { SchemaId = schemaId });
+            var id2 = Guid.NewGuid();
 
-            var result = sut.GetReferencedIds(JsonValue.Create("invalid")).ToArray();
+            var value = CreateValue(id1, id2);
+
+            var result = field.GetReferencedIds(value);
 
-            Assert.Equal(new[] { schemaId }, result);
+            Assert.Equal(new HashSet<Guid> { id1, id2 }, result);
         }
 
-        [Fact]
+        [Theory]
-        public void Should_return_null_from_references_field_when_removing_references_from_null_array()
+        [MemberData(nameof(ReferencingFields))]
+        public void Should_return_same_value_from_field_when_value_is_json_null(IField field)
         {
-            var sut = Fields.References(1, "my-refs", Partitioning.Invariant);
+            var result = ValueReferencesConverter.CleanReferences(RandomIds())(JsonValue.Null, field);
-
-            var result = sut.CleanReferences(JsonValue.Null, null);
 
             Assert.Equal(JsonValue.Null, result);
         }
 
-        [Fact]
+        [Theory]
-        public void Should_remove_deleted_references_from_references_field()
+        [MemberData(nameof(ReferencingFields))]
+        public void Should_remove_deleted_ids_from_field(IField field)
         {
             var id1 = Guid.NewGuid();
             var id2 = Guid.NewGuid();
 
-            var sut = Fields.References(1, "my-refs", Partitioning.Invariant,
+            var value = CreateValue(id1, id2);
-                new ReferencesFieldProperties { SchemaId = schemaId });
 
-            var result = sut.CleanReferences(CreateValue(id1, id2), HashSet.Of(id2));
+            var result = ValueReferencesConverter.CleanReferences(HashSet.Of(id1))(value, field);
 
             Assert.Equal(CreateValue(id1), result);
         }
 
-        [Fact]
+        public static IEnumerable<object[]> ReferencingNestedFields()
-        public void Should_remove_all_references_from_references_field_when_schema_is_removed()
         {
-            var id1 = Guid.NewGuid();
+            yield return new object[] { Fields.References(1, "my-refs") };
-            var id2 = Guid.NewGuid();
+            yield return new object[] { Fields.Assets(1, "my-assets") };
-
-            var sut = Fields.References(1, "my-refs", Partitioning.Invariant,
-                new ReferencesFieldProperties { SchemaId = schemaId });
-
-            var result = sut.CleanReferences(CreateValue(id1, id2), HashSet.Of(schemaId));
-
-            Assert.Equal(CreateValue(), result);
         }
 
-        [Fact]
+        public static IEnumerable<object[]> ReferencingFields()
-        public void Should_return_same_token_from_references_field_when_removing_references_and_nothing_to_remove()
         {
-            var id1 = Guid.NewGuid();
+            yield return new object[] { Fields.References(1, "my-refs", Partitioning.Invariant) };
-            var id2 = Guid.NewGuid();
+            yield return new object[] { Fields.Assets(1, "my-assets", Partitioning.Invariant) };
-
+        }
-            var sut = Fields.References(1, "my-refs", Partitioning.Invariant);
-
-            var value = CreateValue(id1, id2);
-
-            var result = sut.CleanReferences(value, HashSet.Of(Guid.NewGuid()));
 
-            Assert.Same(value, result);
+        private static HashSet<Guid> RandomIds()
+        {
+            return HashSet.Of(Guid.NewGuid());
         }
 
-        private static IJsonValue CreateValue(params Guid[] ids)
+        private static IJsonValue CreateValue(params object[] ids)
         {
-            return ids == null ? JsonValue.Null : JsonValue.Array(ids.Select(x => (object)x.ToString()).ToArray());
+            return JsonValue.Array(ids);
         }
     }
 }

backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/HandleRules/RuleEventFormatterTests.cs

@@ -282,7 +282,7 @@ namespace Squidex.Domain.Apps.Core.Operations.HandleRules
                     new NamedContentData()
                         .AddField("city",
                             new ContentFieldData()
-                                .AddValue("iv", JsonValue.Array()))
+                                .AddJsonValue(JsonValue.Array()))
             };
 
             var result = sut.Format(script, @event);
@@ -301,7 +301,7 @@ namespace Squidex.Domain.Apps.Core.Operations.HandleRules
                     new NamedContentData()
                         .AddField("city",
                             new ContentFieldData()
-                                .AddValue("iv", JsonValue.Object().Add("name", "Berlin")))
+                                .AddJsonValue(JsonValue.Object().Add("name", "Berlin")))
             };
 
             var result = sut.Format(script, @event);
@@ -339,8 +339,7 @@ namespace Squidex.Domain.Apps.Core.Operations.HandleRules
                     new NamedContentData()
                         .AddField("city",
                             new ContentFieldData()
-                                .AddValue("iv", JsonValue.Array(
+                                .AddJsonValue(JsonValue.Array("Berlin")))
-                                    "Berlin")))
             };
 
             var result = sut.Format(script, @event);
@@ -359,7 +358,7 @@ namespace Squidex.Domain.Apps.Core.Operations.HandleRules
                     new NamedContentData()
                         .AddField("city",
                             new ContentFieldData()
-                                .AddValue("iv", JsonValue.Object().Add("name", "Berlin")))
+                                .AddJsonValue(JsonValue.Object().Add("name", "Berlin")))
             };
 
             var result = sut.Format(script, @event);
@@ -378,7 +377,7 @@ namespace Squidex.Domain.Apps.Core.Operations.HandleRules
                     new NamedContentData()
                         .AddField("city",
                             new ContentFieldData()
-                                .AddValue("iv", JsonValue.Object().Add("name", "Berlin")))
+                                .AddJsonValue(JsonValue.Object().Add("name", "Berlin")))
             };
 
             var result = sut.Format(script, @event);

backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/Scripting/ContentDataObjectTests.cs

@@ -155,13 +155,13 @@ namespace Squidex.Domain.Apps.Core.Operations.Scripting
                 new NamedContentData()
                     .AddField("number",
                         new ContentFieldData()
-                            .AddValue("iv", JsonValue.Array(1.0, 2.0)));
+                            .AddJsonValue(JsonValue.Array(1.0, 2.0)));
 
             var expected =
                 new NamedContentData()
                     .AddField("number",
                         new ContentFieldData()
-                            .AddValue("iv", JsonValue.Array(1.0, 4.0, 5.0)));
+                            .AddJsonValue(JsonValue.Array(1.0, 4.0, 5.0)));
 
             var result = ExecuteScript(original, @"data.number.iv = [data.number.iv[0], data.number.iv[1] + 2, 5]");
 
@@ -175,13 +175,13 @@ namespace Squidex.Domain.Apps.Core.Operations.Scripting
                 new NamedContentData()
                     .AddField("number",
                         new ContentFieldData()
-                            .AddValue("iv", JsonValue.Object().Add("lat", 1.0)));
+                            .AddJsonValue(JsonValue.Object().Add("lat", 1.0)));
 
             var expected =
                 new NamedContentData()
                     .AddField("number",
                         new ContentFieldData()
-                            .AddValue("iv", JsonValue.Object().Add("lat", 1.0).Add("lon", 4.0)));
+                            .AddJsonValue(JsonValue.Object().Add("lat", 1.0).Add("lon", 4.0)));
 
             var result = ExecuteScript(original, @"data.number.iv = { lat: data.number.iv.lat, lon: data.number.iv.lat + 3 }");
 
@@ -265,7 +265,7 @@ namespace Squidex.Domain.Apps.Core.Operations.Scripting
                 new NamedContentData()
                     .AddField("obj",
                         new ContentFieldData()
-                            .AddValue("iv", JsonValue.Object().Add("readonly", 1)));
+                            .AddJsonValue(JsonValue.Object().Add("readonly", 1)));
 
             Assert.Throws<JavaScriptException>(() => ExecuteScript(original, "data.obj.iv.invalid = 1"));
             Assert.Throws<JavaScriptException>(() => ExecuteScript(original, "data.obj.iv.readonly = 2"));
@@ -278,7 +278,7 @@ namespace Squidex.Domain.Apps.Core.Operations.Scripting
                 new NamedContentData()
                     .AddField("obj",
                         new ContentFieldData()
-                            .AddValue("iv", JsonValue.Array()));
+                            .AddJsonValue(JsonValue.Array()));
 
             ExecuteScript(original, "data.obj.iv[0] = 1");
         }

backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/Tags/TagNormalizerTests.cs

@@ -12,6 +12,7 @@ using FakeItEasy;
 using Squidex.Domain.Apps.Core.Contents;
 using Squidex.Domain.Apps.Core.Schemas;
 using Squidex.Domain.Apps.Core.Tags;
+using Squidex.Domain.Apps.Core.TestHelpers;
 using Squidex.Infrastructure.Json.Objects;
 using Xunit;
 
@@ -44,8 +45,8 @@ namespace Squidex.Domain.Apps.Core.Operations.Tags
             var oldData = GenerateData("o_raw");
 
             A.CallTo(() => tagService.NormalizeTagsAsync(appId, TagGroups.Schemas(schemaId),
-                A<HashSet<string>>.That.IsSameSequenceAs("n_raw2_1", "n_raw2_2", "n_raw4"),
+                A<HashSet<string>>.That.Is("n_raw2_1", "n_raw2_2", "n_raw4"),
-                A<HashSet<string>>.That.IsSameSequenceAs("o_raw2_1", "o_raw2_2", "o_raw4")))
+                A<HashSet<string>>.That.Is("o_raw2_1", "o_raw2_2", "o_raw4")))
                 .Returns(new Dictionary<string, string>
                 {
                     ["n_raw2_2"] = "id2_2",
@@ -65,7 +66,7 @@ namespace Squidex.Domain.Apps.Core.Operations.Tags
             var newData = GenerateData("name");
 
             A.CallTo(() => tagService.NormalizeTagsAsync(appId, TagGroups.Schemas(schemaId),
-                A<HashSet<string>>.That.IsSameSequenceAs("name2_1", "name2_2", "name4"),
+                A<HashSet<string>>.That.Is("name2_1", "name2_2", "name4"),
                 A<HashSet<string>>.That.IsEmpty()))
                 .Returns(new Dictionary<string, string>
                 {
@@ -86,7 +87,7 @@ namespace Squidex.Domain.Apps.Core.Operations.Tags
             var newData = GenerateData("id");
 
             A.CallTo(() => tagService.NormalizeTagsAsync(appId, TagGroups.Schemas(schemaId),
-                A<HashSet<string>>.That.IsSameSequenceAs("id2_1", "id2_2", "id4"),
+                A<HashSet<string>>.That.Is("id2_1", "id2_2", "id4"),
                 A<HashSet<string>>.That.IsEmpty()))
                 .Returns(new Dictionary<string, string>
                 {
@@ -114,16 +115,16 @@ namespace Squidex.Domain.Apps.Core.Operations.Tags
             return new NamedContentData()
                 .AddField("tags1",
                     new ContentFieldData()
-                        .AddValue("iv", JsonValue.Array($"{prefix}1")))
+                        .AddJsonValue(JsonValue.Array($"{prefix}1")))
                 .AddField("tags2",
                     new ContentFieldData()
-                        .AddValue("iv", JsonValue.Array($"{prefix}2_1", $"{prefix}2_2")))
+                        .AddJsonValue(JsonValue.Array($"{prefix}2_1", $"{prefix}2_2")))
                 .AddField("string",
                     new ContentFieldData()
                         .AddValue("iv", $"{prefix}stringValue"))
                 .AddField("array",
                     new ContentFieldData()
-                        .AddValue("iv",
+                        .AddJsonValue(
                             JsonValue.Array(
                                 JsonValue.Object()
                                     .Add("nestedTags1", JsonValue.Array($"{prefix}3"))

backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/ValidateContent/ContentValidationTests.cs

@@ -348,7 +348,7 @@ namespace Squidex.Domain.Apps.Core.Operations.ValidateContent
                 new NamedContentData()
                     .AddField("my-field",
                         new ContentFieldData()
-                            .AddValue("iv",
+                            .AddJsonValue(
                                 JsonValue.Array(
                                     JsonValue.Object(),
                                     JsonValue.Object().Add("my-nested", 1),
@@ -387,7 +387,7 @@ namespace Squidex.Domain.Apps.Core.Operations.ValidateContent
                 new NamedContentData()
                     .AddField("my-field",
                         new ContentFieldData()
-                            .AddValue("iv",
+                            .AddJsonValue(
                                 JsonValue.Array(
                                     JsonValue.Object())));
 

backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/ValidateContent/UIFieldTests.cs

@@ -100,7 +100,7 @@ namespace Squidex.Domain.Apps.Core.Operations.ValidateContent
             var data =
                 new NamedContentData()
                     .AddField("my-array", new ContentFieldData()
-                        .AddValue("iv",
+                        .AddJsonValue(
                             JsonValue.Array(
                                 JsonValue.Object()
                                     .Add("my-ui", null))));

backend/tests/Squidex.Domain.Apps.Core.Tests/TestHelpers/AExtensions.cs

@@ -0,0 +1,31 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using System.Collections.Generic;
+using System.Linq;
+using FakeItEasy;
+
+namespace Squidex.Domain.Apps.Core.TestHelpers
+{
+    public static class AExtensions
+    {
+        public static T[] Is<T>(this INegatableArgumentConstraintManager<T[]> that, params T[]? values)
+        {
+            return values == null ? that.IsNull() : that.IsSameSequenceAs(values);
+        }
+
+        public static HashSet<T> Is<T>(this INegatableArgumentConstraintManager<HashSet<T>> that, IEnumerable<T>? values)
+        {
+            return values == null ? that.IsNull() : that.Matches(x => x.Intersect(values).Count() == values.Count());
+        }
+
+        public static HashSet<T> Is<T>(this INegatableArgumentConstraintManager<HashSet<T>> that, params T[]? values)
+        {
+            return values == null ? that.IsNull() : that.Matches(x => x.Intersect(values).Count() == values.Length);
+        }
+    }
+}

backend/tests/Squidex.Domain.Apps.Entities.Tests/Assets/Queries/AssetEnricherTests.cs

@@ -59,7 +59,7 @@ namespace Squidex.Domain.Apps.Entities.Assets.Queries
                 AppId = appId
             };
 
-            A.CallTo(() => tagService.DenormalizeTagsAsync(appId.Id, TagGroups.Assets, A<HashSet<string>>.That.Has("id1", "id2")))
+            A.CallTo(() => tagService.DenormalizeTagsAsync(appId.Id, TagGroups.Assets, A<HashSet<string>>.That.Is("id1", "id2")))
                 .Returns(new Dictionary<string, string>
                 {
                     ["id1"] = "name1",
@@ -137,7 +137,7 @@ namespace Squidex.Domain.Apps.Entities.Assets.Queries
                 AppId = appId
             };
 
-            A.CallTo(() => tagService.DenormalizeTagsAsync(appId.Id, TagGroups.Assets, A<HashSet<string>>.That.Has("id1", "id2", "id3")))
+            A.CallTo(() => tagService.DenormalizeTagsAsync(appId.Id, TagGroups.Assets, A<HashSet<string>>.That.Is("id1", "id2", "id3")))
                 .Returns(new Dictionary<string, string>
                 {
                     ["id1"] = "name1",

backend/tests/Squidex.Domain.Apps.Entities.Tests/Assets/Queries/AssetQueryServiceTests.cs

@@ -85,7 +85,7 @@ namespace Squidex.Domain.Apps.Entities.Assets.Queries
 
             var ids = HashSet.Of(found1.Id, found2.Id);
 
-            A.CallTo(() => assetRepository.QueryAsync(appId.Id, A<HashSet<Guid>>.That.IsSameSequenceAs(ids)))
+            A.CallTo(() => assetRepository.QueryAsync(appId.Id, A<HashSet<Guid>>.That.Is(ids)))
                 .Returns(ResultList.CreateFrom(8, found1, found2));
 
             A.CallTo(() => assetEnricher.EnrichAsync(A<IEnumerable<IAssetEntity>>.That.IsSameSequenceAs(found1, found2), requestContext))

backend/tests/Squidex.Domain.Apps.Entities.Tests/Contents/Queries/ConvertDataTests.cs

@@ -0,0 +1,146 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using FakeItEasy;
+using Squidex.Domain.Apps.Core;
+using Squidex.Domain.Apps.Core.Contents;
+using Squidex.Domain.Apps.Core.ConvertContent;
+using Squidex.Domain.Apps.Core.Schemas;
+using Squidex.Domain.Apps.Entities.Assets.Repositories;
+using Squidex.Domain.Apps.Entities.Contents.Queries.Steps;
+using Squidex.Domain.Apps.Entities.Contents.Repositories;
+using Squidex.Domain.Apps.Entities.Schemas;
+using Squidex.Domain.Apps.Entities.TestHelpers;
+using Squidex.Infrastructure;
+using Squidex.Infrastructure.Json.Objects;
+using Xunit;
+
+namespace Squidex.Domain.Apps.Entities.Contents.Queries
+{
+    public class ConvertDataTests
+    {
+        private readonly ISchemaEntity schema;
+        private readonly IAssetUrlGenerator assetUrlGenerator = A.Fake<IAssetUrlGenerator>();
+        private readonly IAssetRepository assetRepository = A.Fake<IAssetRepository>();
+        private readonly IContentRepository contentRepository = A.Fake<IContentRepository>();
+        private readonly Context requestContext;
+        private readonly NamedId<Guid> appId = NamedId.Of(Guid.NewGuid(), "my-app");
+        private readonly NamedId<Guid> schemaId = NamedId.Of(Guid.NewGuid(), "my-schema");
+        private readonly ProvideSchema schemaProvider;
+        private readonly ConvertData sut;
+
+        public ConvertDataTests()
+        {
+            requestContext = new Context(Mocks.ApiUser(), Mocks.App(appId));
+
+            var schemaDef =
+                new Schema("my-schema")
+                    .AddReferences(1, "references", Partitioning.Invariant)
+                    .AddAssets(2, "assets", Partitioning.Invariant)
+                    .AddArray(3, "array", Partitioning.Invariant, a => a
+                        .AddAssets(31, "nested"));
+
+            schema = Mocks.Schema(appId, schemaId, schemaDef);
+            schemaProvider = x => Task.FromResult(schema);
+
+            sut = new ConvertData(assetUrlGenerator, assetRepository, contentRepository);
+        }
+
+        [Fact]
+        public async Task Should_convert_data_only()
+        {
+            var source = PublishedContent();
+
+            await sut.EnrichAsync(requestContext, Enumerable.Repeat(source, 1), schemaProvider);
+
+            Assert.NotNull(source.Data);
+            Assert.Null(source.DataDraft);
+        }
+
+        [Fact]
+        public async Task Should_convert_data_and_data_draft_when_frontend_user()
+        {
+            var source = PublishedContent();
+
+            var ctx = new Context(Mocks.FrontendUser(), Mocks.App(appId));
+
+            await sut.EnrichAsync(ctx, Enumerable.Repeat(source, 1), schemaProvider);
+
+            Assert.NotNull(source.Data);
+            Assert.NotNull(source.DataDraft);
+        }
+
+        [Fact]
+        public async Task Should_cleanup_references()
+        {
+            var id1 = Guid.NewGuid();
+            var id2 = Guid.NewGuid();
+
+            var source =
+                new NamedContentData()
+                    .AddField("references",
+                        new ContentFieldData()
+                            .AddJsonValue(JsonValue.Array(id1, id2)))
+                    .AddField("assets",
+                        new ContentFieldData()
+                            .AddJsonValue(JsonValue.Array(id1)))
+                    .AddField("array",
+                        new ContentFieldData()
+                            .AddJsonValue(
+                                JsonValue.Array(
+                                    JsonValue.Object()
+                                        .Add("nested", JsonValue.Array(id1, id2)))));
+
+            var expected =
+                new NamedContentData()
+                    .AddField("references",
+                        new ContentFieldData()
+                            .AddJsonValue(JsonValue.Array(id2)))
+                    .AddField("assets",
+                        new ContentFieldData()
+                            .AddJsonValue(JsonValue.Array()))
+                    .AddField("array",
+                        new ContentFieldData()
+                            .AddJsonValue(
+                                JsonValue.Array(
+                                    JsonValue.Object()
+                                        .Add("nested", JsonValue.Array(id2)))));
+            var content = PublishedContent();
+
+            content.Data = source;
+            content.DataDraft = source;
+
+            A.CallTo(() => assetRepository.QueryIdsAsync(appId.Id, A<HashSet<Guid>>.That.Is(id1, id2)))
+                .Returns(new List<Guid> { id2 });
+
+            A.CallTo(() => contentRepository.QueryIdsAsync(appId.Id, A<HashSet<Guid>>.That.Is(id1, id2)))
+                .Returns(new List<(Guid, Guid)> { (id2, id2) });
+
+            var ctx = new Context(Mocks.FrontendUser(), Mocks.App(appId));
+
+            await sut.EnrichAsync(ctx, Enumerable.Repeat(content, 1), schemaProvider);
+
+            Assert.Equal(expected, content.Data);
+            Assert.Equal(expected, content.DataDraft);
+        }
+
+        private ContentEntity PublishedContent()
+        {
+            return new ContentEntity
+            {
+                Status = Status.Published,
+                Data = new NamedContentData(),
+                DataDraft = new NamedContentData(),
+                SchemaId = schemaId
+            };
+        }
+    }
+}

backend/tests/Squidex.Domain.Apps.Entities.Tests/Contents/Queries/ResolveAssetsTests.cs

@@ -137,8 +137,7 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries
                 new NamedContentData()
                     .AddField("asset1",
                         new ContentFieldData()
-                            .AddValue("iv",
+                            .AddValue("iv", $"url/to/{image1.Id}"))
-                                $"url/to/{image1.Id}"))
                     .AddField("asset2",
                         new ContentFieldData()),
                 source[0].ReferenceData);
@@ -149,8 +148,7 @@ namespace Squidex.Domain.Apps.Entities.Contents.Queries
                         new ContentFieldData())
                     .AddField("asset2",
                         new ContentFieldData()
-                            .AddValue("en",
+                            .AddValue("en", $"url/to/{image2.Id}")),
-                                $"url/to/{image2.Id}")),
                 source[1].ReferenceData);
         }
 

backend/tests/Squidex.Domain.Apps.Entities.Tests/TestHelpers/AExtensions.cs

@@ -24,12 +24,12 @@ namespace Squidex.Domain.Apps.Entities.TestHelpers
             return values == null ? that.IsNull() : that.IsSameSequenceAs(values);
         }
 
-        public static IEnumerable<T> Has<T>(this INegatableArgumentConstraintManager<IEnumerable<T>> that, params T[]? values)
+        public static HashSet<T> Is<T>(this INegatableArgumentConstraintManager<HashSet<T>> that, IEnumerable<T>? values)
         {
-            return values == null ? that.IsNull() : that.Matches(x => x.Intersect(values).Count() == values.Length);
+            return values == null ? that.IsNull() : that.Matches(x => x.Intersect(values).Count() == values.Count());
         }
 
-        public static HashSet<T> Has<T>(this INegatableArgumentConstraintManager<HashSet<T>> that, params T[]? values)
+        public static HashSet<T> Is<T>(this INegatableArgumentConstraintManager<HashSet<T>> that, params T[]? values)
         {
             return values == null ? that.IsNull() : that.Matches(x => x.Intersect(values).Count() == values.Length);
         }

backend/tools/TestSuite/TestSuite.ApiTests/ContentCleanupTests.cs

@@ -66,7 +66,7 @@ namespace TestSuite.ApiTests
 
             var content_1 = await contents.CreateAsync(data);
 
-            Assert.Equal(data.String, content_1.DataDraft.String);
+            Assert.Equal(data.String, content_1.Data.String);
 
 
             // STEP 3: Delete a field from schema.
@@ -77,7 +77,7 @@ namespace TestSuite.ApiTests
             var content_2 = await contents.ChangeStatusAsync(content_1.Id, "Published");
 
             // Should not return deleted field.
-            Assert.Null(content_2.DataDraft.String);
+            Assert.Null(content_2.Data.String);
         }
     }
 }