Fixes2 (#1251)

* Support radio button in search.

* Backup fixes

* Fix tests

backend/extensions/Squidex.Extensions/Actions/RuleEventMigrator.cs

@@ -0,0 +1,75 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using Squidex.Domain.Apps.Entities.Backup;
+using Squidex.Domain.Apps.Events.Rules;
+using Squidex.Extensions.Actions.Script;
+using Squidex.Flows;
+using Squidex.Infrastructure.EventSourcing;
+using Squidex.Infrastructure.Json;
+using Squidex.Infrastructure.Json.Objects;
+using Squidex.Infrastructure.Reflection;
+
+namespace Squidex.Extensions.Actions;
+
+public sealed class RuleEventMigrator(TypeRegistry typeRegistry, IJsonSerializer serializer) : IEventMigrator
+{
+    private readonly string[] migratedEvents =
+    [
+        typeRegistry.GetName<IEvent>(typeof(RuleCreated)),
+        typeRegistry.GetName<IEvent>(typeof(RuleUpdated)),
+    ];
+
+    public string? MigrateEvent(string type, string json)
+    {
+        if (!migratedEvents.Contains(type))
+        {
+            return null;
+        }
+
+        var parsed = serializer.Deserialize<JsonValue>(json);
+
+        var isChanged = false;
+        void Handle(JsonValue value)
+        {
+            if (value.Type == JsonValueType.Object)
+            {
+                var obj = value.AsObject;
+                foreach (var (key, nested) in obj)
+                {
+                    if (key == "$type" && nested.Value is string flowStepType)
+                    {
+                        if (!typeRegistry.TryGetType<FlowStep>(flowStepType, out _))
+                        {
+                            isChanged = true;
+                            obj["$type"] = typeRegistry.GetName<FlowStep, ScriptFlowStep>();
+                        }
+                    }
+                    else
+                    {
+                        Handle(nested);
+                    }
+                }
+            }
+            else if (value.Type == JsonValueType.Array)
+            {
+                foreach (var item in value.AsArray)
+                {
+                    Handle(item);
+                }
+            }
+        }
+
+        Handle(parsed);
+        if (!isChanged)
+        {
+            return null;
+        }
+
+        return serializer.Serialize(parsed);
+    }
+}

backend/extensions/Squidex.Extensions/Actions/RuleEventPlugin.cs

@@ -0,0 +1,15 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Squidex.Domain.Apps.Entities.Backup;
+using Squidex.Infrastructure.Plugins;
+
+namespace Squidex.Extensions.Actions;
+
+public sealed class RuleEventPlugin : IPlugin
+{
+    public void ConfigureServices(IServiceCollection services, IConfiguration config)
+    {
+        services.AddTransientAs<RuleEventMigrator>()
+            .As<IEventMigrator>();
+    }
+}

backend/src/Migrations/Migrations/OldRuleEventMigrator.cs

@@ -0,0 +1,78 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using Migrations.OldEvents;
+using Squidex.Domain.Apps.Core.Rules.Deprecated;
+using Squidex.Domain.Apps.Entities.Backup;
+using Squidex.Infrastructure.EventSourcing;
+using Squidex.Infrastructure.Json;
+using Squidex.Infrastructure.Json.Objects;
+using Squidex.Infrastructure.Reflection;
+
+namespace Migrations.Migrations;
+
+public sealed class OldRuleEventMigrator(TypeRegistry typeRegistry, IJsonSerializer serializer) : IEventMigrator
+{
+#pragma warning disable CS0612 // Type or member is obsolete
+#pragma warning disable CS0618 // Type or member is obsolete
+    private readonly string[] migratedEvents =
+    [
+        typeRegistry.GetName<IEvent>(typeof(RuleCreated)),
+        typeRegistry.GetName<IEvent>(typeof(RuleUpdated)),
+    ];
+
+    public string? MigrateEvent(string type, string json)
+    {
+        if (!migratedEvents.Contains(type))
+        {
+            return null;
+        }
+
+        var parsed = serializer.Deserialize<JsonValue>(json);
+
+        var isChanged = false;
+        void Handle(JsonValue value)
+        {
+            if (value.Type == JsonValueType.Object)
+            {
+                var obj = value.AsObject;
+                foreach (var (key, nested) in obj)
+                {
+                    if (key == "actionType" && nested.Value is string flowStepType)
+                    {
+                        if (!typeRegistry.TryGetType<RuleAction>(flowStepType, out _))
+                        {
+                            isChanged = true;
+                            obj["actionType"] = "Webhook";
+                        }
+                    }
+                    else
+                    {
+                        Handle(nested);
+                    }
+                }
+            }
+            else if (value.Type == JsonValueType.Array)
+            {
+                foreach (var item in value.AsArray)
+                {
+                    Handle(item);
+                }
+            }
+        }
+
+        Handle(parsed);
+        if (!isChanged)
+        {
+            return null;
+        }
+
+        return serializer.Serialize(parsed);
+    }
+#pragma warning restore CS0612 // Type or member is obsolete
+#pragma warning restore CS0618 // Type or member is obsolete
+}

backend/src/Squidex.Domain.Apps.Entities/Backup/BackupReader.cs

@@ -100,6 +100,7 @@ public sealed class BackupReader : DisposableObjectBase, IBackupReader
     public async IAsyncEnumerable<(string Stream, Envelope<IEvent> Event)> ReadEventsAsync(
         IEventStreamNames eventStreamNames,
         IEventFormatter eventFormatter,
+        IEnumerable<IEventMigrator> eventMigrators,
         [EnumeratorCancellation] CancellationToken ct = default)
     {
         Guard.NotNull(eventFormatter);
@@ -118,6 +119,19 @@ public sealed class BackupReader : DisposableObjectBase, IBackupReader
             {
                 var storedEvent = serializer.Deserialize<CompatibleStoredEvent>(stream).ToStoredEvent();
 
+                foreach (var migrator in eventMigrators)
+                {
+                    var migrated = migrator.MigrateEvent(storedEvent.Data.Type, storedEvent.Data.Payload);
+                    if (migrated != null)
+                    {
+                        storedEvent = storedEvent with
+                        {
+                            Data = storedEvent.Data with { Payload = migrated },
+                        };
+                        break;
+                    }
+                }
+
                 var eventStream = storedEvent.StreamName;
                 var eventEnvelope = eventFormatter.Parse(storedEvent);
 

backend/src/Squidex.Domain.Apps.Entities/Backup/IBackupHandler.cs

@@ -16,6 +16,11 @@ public interface IBackupHandler
 
     int Order => 0;
 
+    public string ProcessEvent(string type, string json)
+    {
+        return json;
+    }
+
     public Task<bool> RestoreEventAsync(Envelope<IEvent> @event, RestoreContext context,
         CancellationToken ct)
     {

backend/src/Squidex.Domain.Apps.Entities/Backup/IBackupReader.cs

@@ -28,5 +28,6 @@ public interface IBackupReader : IDisposable
     IAsyncEnumerable<(string Stream, Envelope<IEvent> Event)> ReadEventsAsync(
         IEventStreamNames eventStreamNames,
         IEventFormatter eventFormatter,
+        IEnumerable<IEventMigrator> eventMigrators,
         CancellationToken ct = default);
 }

backend/src/Squidex.Domain.Apps.Entities/Backup/IEventMigrator.cs

@@ -0,0 +1,13 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+namespace Squidex.Domain.Apps.Entities.Backup;
+
+public interface IEventMigrator
+{
+    string? MigrateEvent(string type, string json);
+}

backend/src/Squidex.Domain.Apps.Entities/Backup/RestoreJob.cs

@@ -31,6 +31,7 @@ public sealed class RestoreJob(
     IEventFormatter eventFormatter,
     IEventStore eventStore,
     IEventStreamNames eventStreamNames,
+    IEnumerable<IEventMigrator> eventMigrators,
     IUserResolver userResolver,
     ILogger<RestoreJob> log)
     : IJobRunner
@@ -171,6 +172,10 @@ public sealed class RestoreJob(
             log.LogError(ex, "Backup with job id {backupId} from URL '{url}' failed.", context.Job.Id, state.Url);
             throw;
         }
+        finally
+        {
+            state.Reader?.Dispose();
+        }
     }
 
     private async Task AssignContributorAsync(JobRunContext run, State state)
@@ -275,11 +280,6 @@ public sealed class RestoreJob(
                 activity?.SetTag("totalCommits", commits.Count);
                 activity?.SetTag("totalEvents", commits.Sum(x => x.Events.Count));
 
-                if (commits.Any(x => x.StreamName.Contains("46b2fb05-3438-4b99-8c1d-bac8925a33dd")))
-                {
-                    Debugger.Break();
-                }
-
                 await eventStore.AppendUnsafeAsync(commits, ct);
             }
 
@@ -293,7 +293,7 @@ public sealed class RestoreJob(
     private async IAsyncEnumerable<(string Stream, long Offset, Envelope<IEvent> Event)> HandleEventsAsync(JobRunContext run, State state,
         [EnumeratorCancellation] CancellationToken ct)
     {
-        var @events = state.Reader.ReadEventsAsync(eventStreamNames, eventFormatter, ct);
+        var @events = state.Reader.ReadEventsAsync(eventStreamNames, eventFormatter, eventMigrators, ct);
 
         await foreach (var (stream, @event) in events.WithCancellation(ct))
         {

backend/src/Squidex.Infrastructure/Json/System/PolymorphicConverter.cs

@@ -10,8 +10,6 @@ using System.Text.Json.Serialization;
 using System.Text.Json.Serialization.Metadata;
 using Squidex.Infrastructure.Reflection;
 
-#pragma warning disable MA0084 // Local variables should not hide other symbols
-
 namespace Squidex.Infrastructure.Json.System;
 
 public sealed class PolymorphicConverter<T> : JsonConverter<T> where T : class
@@ -40,15 +38,15 @@ public sealed class PolymorphicConverter<T> : JsonConverter<T> where T : class
             {
                 if (typeRegistry.TryGetConfig(baseType, out var config) && config.TryGetName(typeInfo.Type, out var typeName))
                 {
-                    var discriminatorName = config.DiscriminatorProperty ?? Constants.DefaultDiscriminatorProperty;
+                    var typeDiscriminatorName = config.DiscriminatorProperty ?? Constants.DefaultDiscriminatorProperty;
-                    var discriminatorField = typeInfo.CreateJsonPropertyInfo(typeof(string), discriminatorName);
+                    var typeDiscriminatorField = typeInfo.CreateJsonPropertyInfo(typeof(string), typeDiscriminatorName);
 
-                    discriminatorField.Get = x =>
+                    typeDiscriminatorField.Get = x =>
                     {
                         return typeName;
                     };
 
-                    typeInfo.Properties.Insert(0, discriminatorField);
+                    typeInfo.Properties.Insert(0, typeDiscriminatorField);
                 }
 
                 baseType = baseType.BaseType;

backend/src/Squidex.Infrastructure/Plugins/PluginLoaders.cs

@@ -23,7 +23,6 @@ public static class PluginLoaders
                 return PluginLoader.CreateFromAssemblyFile(candidate.FullName, config =>
                 {
                     config.PreferSharedTypes = true;
-
                     config.SharedAssemblies.AddRange(sharedAssemblies);
                 });
             }

backend/src/Squidex.Infrastructure/Reflection/DelegateTypeProvider.cs

@@ -0,0 +1,16 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+namespace Squidex.Infrastructure.Reflection;
+
+public sealed class DelegateTypeProvider(Action<TypeRegistry> action) : ITypeProvider
+{
+    public void Map(TypeRegistry typeRegistry)
+    {
+        action(typeRegistry);
+    }
+}

backend/src/Squidex/Config/Domain/BackupsServices.cs

@@ -5,12 +5,15 @@
 //  All rights reserved. Licensed under the MIT license.
 // ==========================================================================
 
+using Migrations.Migrations;
 using Squidex.Domain.Apps.Entities.Apps;
 using Squidex.Domain.Apps.Entities.Assets;
 using Squidex.Domain.Apps.Entities.Backup;
 using Squidex.Domain.Apps.Entities.Contents;
 using Squidex.Domain.Apps.Entities.Rules;
 using Squidex.Domain.Apps.Entities.Schemas;
+using Squidex.Flows;
+using Squidex.Infrastructure.Reflection;
 
 namespace Squidex.Config.Domain;
 
@@ -49,5 +52,8 @@ public static class BackupsServices
 
         services.AddTransientAs<RestoreJob>()
             .AsSelf();
+
+        services.AddTransientAs<OldRuleEventMigrator>()
+            .As<IEventMigrator>();
     }
 }

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

@@ -73,12 +73,22 @@ public static class TestUtils
 
     public static IJsonSerializer CreateSerializer(Action<JsonSerializerOptions>? configure = null)
     {
-        var serializerSettings = DefaultOptions(configure);
+        return CreateSerializer(TypeRegistry, configure);
+    }
+
+    public static IJsonSerializer CreateSerializer(TypeRegistry typeRegistry, Action<JsonSerializerOptions>? configure = null)
+    {
+        var serializerSettings = DefaultOptions(typeRegistry, configure);
 
         return new SystemJsonSerializer(serializerSettings);
     }
 
     public static JsonSerializerOptions DefaultOptions(Action<JsonSerializerOptions>? configure = null)
+    {
+        return DefaultOptions(TypeRegistry, configure);
+    }
+
+    public static JsonSerializerOptions DefaultOptions(TypeRegistry typeRegistry, Action<JsonSerializerOptions>? configure = null)
     {
         var options = new JsonSerializerOptions(JsonSerializerDefaults.Web);
 
@@ -89,10 +99,10 @@ public static class TestUtils
         options.Converters.Add(new GeoJsonConverterFactory());
         options.Converters.Add(new HeaderValueConverter());
         options.Converters.Add(new JsonValueConverter());
-        options.Converters.Add(new PolymorphicConverter<FieldProperties>(TypeRegistry));
+        options.Converters.Add(new PolymorphicConverter<FieldProperties>(typeRegistry));
-        options.Converters.Add(new PolymorphicConverter<FlowStep>(TypeRegistry));
+        options.Converters.Add(new PolymorphicConverter<FlowStep>(typeRegistry));
-        options.Converters.Add(new PolymorphicConverter<IEvent>(TypeRegistry));
+        options.Converters.Add(new PolymorphicConverter<IEvent>(typeRegistry));
-        options.Converters.Add(new PolymorphicConverter<RuleTrigger>(TypeRegistry));
+        options.Converters.Add(new PolymorphicConverter<RuleTrigger>(typeRegistry));
         options.Converters.Add(new ReadonlyDictionaryConverterFactory());
         options.Converters.Add(new ReadonlyListConverterFactory());
         options.Converters.Add(new StringConverter<CompareOperator>());
@@ -117,11 +127,11 @@ public static class TestUtils
         options.Converters.Add(new JsonStringEnumConverter());
         options.IncludeFields = true;
         options.TypeInfoResolver = new DefaultJsonTypeInfoResolver()
-            .WithAddedModifier(PolymorphicConverter<None>.Modifier(TypeRegistry))
+            .WithAddedModifier(PolymorphicConverter<None>.Modifier(typeRegistry))
             .WithAddedModifier(JsonIgnoreReadonlyProperties.Modifier<Entity>())
             .WithAddedModifier(JsonRenameAttribute.Modifier);
 #pragma warning disable CS0618 // Type or member is obsolete
-        options.Converters.Add(new PolymorphicConverter<RuleAction>(TypeRegistry));
+        options.Converters.Add(new PolymorphicConverter<RuleAction>(typeRegistry));
 #pragma warning restore CS0618 // Type or member is obsolete
         configure?.Invoke(options);
 

backend/tests/Squidex.Domain.Apps.Entities.Tests/Backup/BackupReaderWriterTests.cs

@@ -20,6 +20,7 @@ public class BackupReaderWriterTests
 {
     private readonly IEventFormatter eventFormatter;
     private readonly IEventStreamNames eventStreamNames = A.Fake<IEventStreamNames>();
+    private readonly IEventMigrator eventMigrator = A.Fake<IEventMigrator>();
     private readonly IJsonSerializer serializer = TestUtils.DefaultSerializer;
     private readonly TypeRegistry typeRegistry = new TypeRegistry();
 
@@ -34,6 +35,9 @@ public class BackupReaderWriterTests
         typeRegistry.Add<IEvent, MyEvent>("MyEvent");
 
         eventFormatter = new DefaultEventFormatter(typeRegistry, serializer);
+
+        A.CallTo(() => eventMigrator.MigrateEvent(A<string>._, A<string>._))
+            .Returns(null);
     }
 
     [Fact]
@@ -63,16 +67,15 @@ public class BackupReaderWriterTests
     [Fact]
     public async Task Should_return_true_if_file_exists()
     {
-        var file = "File.json";
+        var fileName = "File.json";
-
+        var fileData = Guid.NewGuid();
-        var value = Guid.NewGuid();
 
         await TestReaderWriterAsync(BackupVersion.V1, async writer =>
         {
-            await WriteJsonGuidAsync(writer, file, value);
+            await WriteJsonGuidAsync(writer, fileName, fileData);
         }, async reader =>
         {
-            var hasFile = await reader.HasFileAsync(file);
+            var hasFile = await reader.HasFileAsync(fileName);
 
             Assert.True(hasFile);
         });
@@ -81,16 +84,15 @@ public class BackupReaderWriterTests
     [Fact]
     public async Task Should_return_file_if_file_does_not_exist()
     {
-        var file = "File.json";
+        var fileName = "File.json";
-
+        var fileData = Guid.NewGuid();
-        var value = Guid.NewGuid();
 
         await TestReaderWriterAsync(BackupVersion.V1, async writer =>
         {
             await Task.Yield();
         }, async reader =>
         {
-            var hasFile = await reader.HasFileAsync(file);
+            var hasFile = await reader.HasFileAsync(fileName);
 
             Assert.False(hasFile);
         });
@@ -99,36 +101,34 @@ public class BackupReaderWriterTests
     [Fact]
     public async Task Should_read_and_write_json_async()
     {
-        var file = "File.json";
+        var fileName = "File.json";
-
+        var fileData = Guid.NewGuid();
-        var value = Guid.NewGuid();
 
         await TestReaderWriterAsync(BackupVersion.V1, async writer =>
         {
-            await WriteJsonGuidAsync(writer, file, value);
+            await WriteJsonGuidAsync(writer, fileName, fileData);
         }, async reader =>
         {
-            var read = await ReadJsonGuidAsync(reader, file);
+            var read = await ReadJsonGuidAsync(reader, fileName);
 
-            Assert.Equal(value, read);
+            Assert.Equal(fileData, read);
         });
     }
 
     [Fact]
     public async Task Should_read_and_write_blob_async()
     {
-        var file = "File.json";
+        var fileName = "File.json";
-
+        var fileData = Guid.NewGuid();
-        var value = Guid.NewGuid();
 
         await TestReaderWriterAsync(BackupVersion.V1, async writer =>
         {
-            await WriteGuidAsync(writer, file, value);
+            await WriteGuidAsync(writer, fileName, fileData);
         }, async reader =>
         {
-            var read = await ReadGuidAsync(reader, file);
+            var read = await ReadGuidAsync(reader, fileName);
 
-            Assert.Equal(value, read);
+            Assert.Equal(fileData, read);
         });
     }
 
@@ -178,7 +178,6 @@ public class BackupReaderWriterTests
         for (var i = 0; i < 200; i++)
         {
             var @event = new MyEvent();
-
             var envelope = Envelope.Create(@event);
 
             envelope.Headers.Add("Id", @event.Id.ToString());
@@ -211,7 +210,7 @@ public class BackupReaderWriterTests
         {
             var targetEvents = new List<(string Stream, Envelope<IEvent> Event)>();
 
-            await foreach (var @event in reader.ReadEventsAsync(eventStreamNames, eventFormatter))
+            await foreach (var @event in reader.ReadEventsAsync(eventStreamNames, eventFormatter, [eventMigrator]))
             {
                 var index = int.Parse(@event.Event.Headers["Index"].ToString(), NumberStyles.Integer, CultureInfo.InvariantCulture);
 

backend/tests/Squidex.Domain.Apps.Entities.Tests/Rules/RuleEventMigratorTests.cs

@@ -0,0 +1,172 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using Squidex.Domain.Apps.Core.TestHelpers;
+using Squidex.Domain.Apps.Events.Rules;
+using Squidex.Extensions.Actions;
+using Squidex.Extensions.Actions.Script;
+using Squidex.Extensions.Actions.Webhook;
+using Squidex.Flows;
+using Squidex.Flows.Internal;
+using Squidex.Infrastructure.EventSourcing;
+using Squidex.Infrastructure.Json;
+using Squidex.Infrastructure.Reflection;
+
+namespace Squidex.Domain.Apps.Entities.Rules;
+
+public class RuleEventMigratorTests
+{
+    private readonly TypeRegistry typeRegistrySerializer = new TypeRegistry();
+    private readonly TypeRegistry typeRegistryMigrator = new TypeRegistry();
+    private readonly IJsonSerializer serializer;
+    private readonly RuleEventMigrator sut;
+
+    public RuleEventMigratorTests()
+    {
+        typeRegistryMigrator.Add<IEvent, RuleCreated>("RuleCreated");
+        typeRegistryMigrator.Add<IEvent, RuleUpdated>("RuleUpdated");
+        typeRegistryMigrator.Add<FlowStep, ScriptFlowStep>("Script");
+
+        typeRegistrySerializer.Add<FlowStep, ScriptFlowStep>("Script");
+        typeRegistrySerializer.Add<FlowStep, WebhookFlowStep>("Webhook");
+
+        // Create the serializer after the types have been registered.
+        serializer = TestUtils.CreateSerializer(typeRegistrySerializer);
+
+        sut = new RuleEventMigrator(typeRegistryMigrator, serializer);
+    }
+
+    [Fact]
+    public void Should_not_migrate_rule_created_event_if_flow_step_is_known()
+    {
+        typeRegistryMigrator.Add<FlowStep, WebhookFlowStep>("Webhook");
+
+        var @event = new RuleCreated
+        {
+            Flow = new FlowDefinition
+            {
+                Steps = new Dictionary<Guid, FlowStepDefinition>
+                {
+                    [Guid.Empty] = new FlowStepDefinition
+                    {
+                        Step = new WebhookFlowStep(),
+                    },
+                },
+            },
+        };
+
+        var json = serializer.Serialize(@event, true);
+
+        var result = sut.MigrateEvent(typeRegistryMigrator.GetName<IEvent>(@event.GetType()), json);
+
+        Assert.Null(result);
+    }
+
+    [Fact]
+    public void Should_migrate_rule_created_event()
+    {
+        var @event = new RuleCreated
+        {
+            Flow = new FlowDefinition
+            {
+                Steps = new Dictionary<Guid, FlowStepDefinition>
+                {
+                    [Guid.Empty] = new FlowStepDefinition
+                    {
+                        Step = new WebhookFlowStep(),
+                    },
+                },
+            },
+        };
+
+        var json = serializer.Serialize(@event, true);
+
+        var resultJson = sut.MigrateEvent(typeRegistryMigrator.GetName<IEvent>(@event.GetType()), json);
+        var resultEvent = serializer.Deserialize<RuleCreated>(resultJson!);
+
+        resultEvent.Should().BeEquivalentTo(
+            new RuleCreated
+            {
+                Flow = new FlowDefinition
+                {
+                    Steps = new Dictionary<Guid, FlowStepDefinition>
+                    {
+                        [Guid.Empty] = new FlowStepDefinition
+                        {
+                            Step = new WebhookFlowStep(),
+                        },
+                    },
+                },
+            },
+            options => options.RespectingDeclaredTypes());
+    }
+
+    [Fact]
+    public void Should_not_migrate_rule_updated_event_if_flow_step_is_known()
+    {
+        typeRegistryMigrator.Add<FlowStep, WebhookFlowStep>("Webhook");
+
+        var @event = new RuleUpdated
+        {
+            Flow = new FlowDefinition
+            {
+                Steps = new Dictionary<Guid, FlowStepDefinition>
+                {
+                    [Guid.Empty] = new FlowStepDefinition
+                    {
+                        Step = new WebhookFlowStep(),
+                    },
+                },
+            },
+        };
+
+        var json = serializer.Serialize(@event, true);
+
+        var result = sut.MigrateEvent(typeRegistryMigrator.GetName<IEvent>(@event.GetType()), json);
+
+        Assert.Null(result);
+    }
+
+    [Fact]
+    public void Should_migrate_rule_updated_event()
+    {
+        var @event = new RuleUpdated
+        {
+            Flow = new FlowDefinition
+            {
+                Steps = new Dictionary<Guid, FlowStepDefinition>
+                {
+                    [Guid.Empty] = new FlowStepDefinition
+                    {
+                        Step = new WebhookFlowStep(),
+                    },
+                },
+            },
+        };
+
+        var json = serializer.Serialize(@event, true);
+
+        var resultJson = sut.MigrateEvent(typeRegistryMigrator.GetName<IEvent>(@event.GetType()), json);
+        var resultEvent = serializer.Deserialize<RuleCreated>(resultJson!);
+
+        resultEvent.Should().BeEquivalentTo(
+            new RuleUpdated
+            {
+                Flow = new FlowDefinition
+                {
+                    Steps = new Dictionary<Guid, FlowStepDefinition>
+                    {
+                        [Guid.Empty] = new FlowStepDefinition
+                        {
+                            Step = new ScriptFlowStep(),
+                        },
+                    },
+                },
+            },
+            options => options.RespectingDeclaredTypes());
+    }
+}

frontend/src/app/shared/components/search/search-form.component.ts

@@ -8,9 +8,9 @@
 import { AsyncPipe } from '@angular/common';
 import { booleanAttribute, ChangeDetectionStrategy, Component, EventEmitter, Input, Output, Type } from '@angular/core';
 import { FormsModule, ReactiveFormsModule } from '@angular/forms';
-import { BooleanValue, BootstrapClasses, EMPTY_FILTER_MODEL, FieldComponent, FilterField, Input as FilterInput, FilterModel, FilterOptions, NumberValue, StringValue } from 'ngx-inline-filter';
+import { BooleanValue, BootstrapClasses, EMPTY_FILTER_MODEL, FieldComponent, FilterField, Input as FilterInput, FilterModel, FilterOptions, NumberValue, SelectValue, StringValue } from 'ngx-inline-filter';
 import { Observable } from 'rxjs';
-import { ControlErrorsComponent, DateTimeEditorComponent, DropdownComponent, FocusOnInitDirective, HighlightPipe, LocalizerService, ModalDialogComponent, ModalDirective, ShortcutComponent, TooltipDirective, TourStepDirective, TranslatePipe } from '@app/framework';
+import { ControlErrorsComponent, DateTimeEditorComponent, DropdownComponent, FocusOnInitDirective, HighlightPipe, LocalizerService, ModalDialogComponent, ModalDirective, ShortcutComponent, TooltipDirective, TourStepDirective, TranslatePipe, Types } from '@app/framework';
 import { AppLanguageDto, ContributorsState, DialogModel, Queries, Query, QueryModel, sanitize, SaveQueryForm, TypedSimpleChanges } from '@app/shared/internal';
 import { UserDtoPicture } from '../pipes';
 import { ReferenceInputComponent } from '../references/reference-input.component';
@@ -170,6 +170,9 @@ export class SearchFormComponent {
                 args = { editor: 'Status', statuses: model.statuses };
             } else if (type === 'String' && extra?.editor === 'User') {
                 args = { editor: 'User' };
+            } else if (type === 'String' && Types.isArrayOfString(extra?.options)) {
+                args = (extra.options as string[]).map(value => ({ value, label: value }));
+                component = SelectValue;
             } else if (type === 'String' && !extra) {
                 component = StringValue;
             } else if (type === 'StringArray' && extra?.schemaIds) {