Merge pull request #157 from Squidex/feature-rules

Feature rules

src/Squidex.Domain.Apps.Core.Model/Apps/LanguagesConfig.cs

@@ -99,7 +99,7 @@ namespace Squidex.Domain.Apps.Core.Apps
             var newMaster =
                 state.Master.Language != language ?
                 state.Master :
-                state.Languages.Values.FirstOrDefault();
+                newLanguages.Values.FirstOrDefault();
 
             state = new State(newLanguages, newMaster);
         }

src/Squidex.Domain.Apps.Write/Webhooks/Commands/CreateWebhook.cs → src/Squidex.Domain.Apps.Core.Model/Rules/Actions/WebhookAction.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  CreateWebhook.cs
+//  WebhookAction.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -9,15 +9,18 @@
 using System;
 using Squidex.Infrastructure;
 
-namespace Squidex.Domain.Apps.Write.Webhooks.Commands
+namespace Squidex.Domain.Apps.Core.Rules.Actions
 {
-    public sealed class CreateWebhook : WebhookEditCommand
+    [TypeName(nameof(WebhookAction))]
+    public sealed class WebhookAction : RuleAction
     {
-        public string SharedSecret { get; } = RandomHash.New();
+        public Uri Url { get; set; }
 
-        public CreateWebhook()
+        public string SharedSecret { get; set; }
+
+        public override T Accept<T>(IRuleActionVisitor<T> visitor)
         {
-            WebhookId = Guid.NewGuid();
+            return visitor.Visit(this);
         }
     }
 }

src/Squidex.Domain.Apps.Core.Model/Rules/IRuleActionVisitor.cs

@@ -0,0 +1,17 @@
+// ==========================================================================
+//  IActionVisitor.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using Squidex.Domain.Apps.Core.Rules.Actions;
+
+namespace Squidex.Domain.Apps.Core.Rules
+{
+    public interface IRuleActionVisitor<T>
+    {
+        T Visit(WebhookAction action);
+    }
+}

src/Squidex.Domain.Apps.Core.Model/Rules/IRuleTriggerVisitor.cs

@@ -0,0 +1,17 @@
+// ==========================================================================
+//  IRuleTriggerVisitor.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using Squidex.Domain.Apps.Core.Rules.Triggers;
+
+namespace Squidex.Domain.Apps.Core.Rules
+{
+    public interface IRuleTriggerVisitor<T>
+    {
+        T Visit(ContentChangedTrigger trigger);
+    }
+}

src/Squidex.Domain.Apps.Core.Model/Rules/Json/JsonRule.cs

@@ -0,0 +1,46 @@
+// ==========================================================================
+//  JsonRule.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using Newtonsoft.Json;
+using Squidex.Infrastructure.Reflection;
+
+namespace Squidex.Domain.Apps.Core.Rules.Json
+{
+    public sealed class JsonRule
+    {
+        [JsonProperty]
+        public RuleTrigger Trigger { get; set; }
+
+        [JsonProperty]
+        public RuleAction Action { get; set; }
+
+        [JsonProperty]
+        public bool IsEnabled { get; set; }
+
+        public JsonRule()
+        {
+        }
+
+        public JsonRule(Rule rule)
+        {
+            SimpleMapper.Map(rule, this);
+        }
+
+        public Rule ToRule()
+        {
+            var rule = new Rule(Trigger, Action);
+
+            if (!IsEnabled)
+            {
+                rule.Disable();
+            }
+
+            return rule;
+        }
+    }
+}

src/Squidex.Domain.Apps.Core.Model/Rules/Json/RuleConverter.cs

@@ -0,0 +1,26 @@
+// ==========================================================================
+//  RuleConverter.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using Newtonsoft.Json;
+using Squidex.Infrastructure.Json;
+
+namespace Squidex.Domain.Apps.Core.Rules.Json
+{
+    public sealed class RuleConverter : JsonClassConverter<Rule>
+    {
+        protected override Rule ReadValue(JsonReader reader, JsonSerializer serializer)
+        {
+            return serializer.Deserialize<JsonRule>(reader).ToRule();
+        }
+
+        protected override void WriteValue(JsonWriter writer, Rule value, JsonSerializer serializer)
+        {
+            serializer.Serialize(writer, new JsonRule(value));
+        }
+    }
+}

src/Squidex.Domain.Apps.Core.Model/Rules/Rule.cs

@@ -0,0 +1,78 @@
+// ==========================================================================
+//  Rule.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using Squidex.Infrastructure;
+
+namespace Squidex.Domain.Apps.Core.Rules
+{
+    public sealed class Rule
+    {
+        private RuleTrigger trigger;
+        private RuleAction action;
+        private bool isEnabled = true;
+
+        public RuleTrigger Trigger
+        {
+            get { return trigger; }
+        }
+
+        public RuleAction Action
+        {
+            get { return action; }
+        }
+
+        public bool IsEnabled
+        {
+            get { return isEnabled; }
+        }
+
+        public Rule(RuleTrigger trigger, RuleAction action)
+        {
+            Guard.NotNull(trigger, nameof(trigger));
+            Guard.NotNull(action, nameof(action));
+
+            this.trigger = trigger;
+            this.action = action;
+        }
+
+        public void Enable()
+        {
+            this.isEnabled = true;
+        }
+
+        public void Disable()
+        {
+            this.isEnabled = false;
+        }
+
+        public void Update(RuleTrigger newTrigger)
+        {
+            Guard.NotNull(newTrigger, nameof(newTrigger));
+
+            if (newTrigger.GetType() != trigger.GetType())
+            {
+                throw new ArgumentException("New trigger has another type.", nameof(newTrigger));
+            }
+
+            trigger = newTrigger;
+        }
+
+        public void Update(RuleAction newAction)
+        {
+            Guard.NotNull(newAction, nameof(newAction));
+
+            if (newAction.GetType() != action.GetType())
+            {
+                throw new ArgumentException("New action has another type.", nameof(newAction));
+            }
+
+            action = newAction;
+        }
+    }
+}

src/Squidex.Domain.Apps.Core.Model/Rules/RuleAction.cs

@@ -0,0 +1,15 @@
+// ==========================================================================
+//  RuleAction.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+namespace Squidex.Domain.Apps.Core.Rules
+{
+    public abstract class RuleAction
+    {
+        public abstract T Accept<T>(IRuleActionVisitor<T> visitor);
+    }
+}

src/Squidex.Domain.Apps.Read/Webhooks/WebhookJob.cs → src/Squidex.Domain.Apps.Core.Model/Rules/RuleJob.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  WebhookJob.cs
+//  RuleJob.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -9,24 +9,24 @@
 using System;
 using NodaTime;
 
-namespace Squidex.Domain.Apps.Read.Webhooks
+namespace Squidex.Domain.Apps.Core.Rules
 {
-    public sealed class WebhookJob
+    public sealed class RuleJob
     {
-        public Guid Id { get; set; }
+        public Guid RuleId { get; set; }
 
         public Guid AppId { get; set; }
 
-        public Guid WebhookId { get; set; }
-
-        public Uri RequestUrl { get; set; }
+        public string EventName { get; set; }
 
-        public string RequestBody { get; set; }
+        public string ActionName { get; set; }
 
-        public string RequestSignature { get; set; }
+        public string Description { get; set; }
 
-        public string EventName { get; set; }
+        public Instant Created { get; set; }
 
         public Instant Expires { get; set; }
+
+        public RuleJobData ActionData { get; set; }
     }
 }

src/Squidex.Domain.Apps.Core.Model/Rules/RuleJobData.cs

@@ -0,0 +1,17 @@
+// ==========================================================================
+//  RuleJobData.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.Collections.Generic;
+using Newtonsoft.Json.Linq;
+
+namespace Squidex.Domain.Apps.Core.Rules
+{
+    public sealed class RuleJobData : Dictionary<string, JToken>
+    {
+    }
+}

src/Squidex.Domain.Apps.Core.Model/Rules/RuleTrigger.cs

@@ -0,0 +1,15 @@
+// ==========================================================================
+//  RuleTrigger.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+namespace Squidex.Domain.Apps.Core.Rules
+{
+    public abstract class RuleTrigger
+    {
+        public abstract T Accept<T>(IRuleTriggerVisitor<T> visitor);
+    }
+}

src/Squidex.Domain.Apps.Core.Model/Rules/Triggers/ContentChangedTrigger.cs

@@ -0,0 +1,24 @@
+// ==========================================================================
+//  ContentChangedTrigger.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.Collections.Generic;
+using Squidex.Infrastructure;
+
+namespace Squidex.Domain.Apps.Core.Rules.Triggers
+{
+    [TypeName(nameof(ContentChangedTrigger))]
+    public sealed class ContentChangedTrigger : RuleTrigger
+    {
+        public List<ContentChangedTriggerSchema> Schemas { get; set; }
+
+        public override T Accept<T>(IRuleTriggerVisitor<T> visitor)
+        {
+            return visitor.Visit(this);
+        }
+    }
+}

src/Squidex.Domain.Apps.Core.Model/Webhooks/WebhookSchema.cs → src/Squidex.Domain.Apps.Core.Model/Rules/Triggers/ContentChangedTriggerSchema.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  WebhookSchema.cs
+//  ContentChangedTriggerSchema.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -8,9 +8,9 @@
 
 using System;
 
-namespace Squidex.Domain.Apps.Core.Webhooks
+namespace Squidex.Domain.Apps.Core.Rules.Triggers
 {
-    public sealed class WebhookSchema
+    public sealed class ContentChangedTriggerSchema
     {
         public Guid SchemaId { get; set; }
 

src/Squidex.Domain.Apps.Core.Model/Schemas/FieldRegistry.cs

@@ -84,7 +84,6 @@ namespace Squidex.Domain.Apps.Core.Schemas
                     new TagsField(id, name, partitioning, (TagsFieldProperties)properties));
 
             typeNameRegistry.MapObsolete(typeof(ReferencesFieldProperties), "DateTime");
-
             typeNameRegistry.MapObsolete(typeof(DateTimeFieldProperties), "References");
         }
 

src/Squidex.Domain.Apps.Write/Webhooks/Commands/UpdateWebhook.cs → src/Squidex.Domain.Apps.Core.Model/SquidexCoreModel.cs

@@ -1,14 +1,14 @@
 // ==========================================================================
-//  UpdateWebhook.cs
+//  SquidexCoreModel.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
 //  All rights reserved.
 // ==========================================================================
 
-namespace Squidex.Domain.Apps.Write.Webhooks.Commands
+namespace Squidex.Domain.Apps.Core
 {
-    public sealed class UpdateWebhook : WebhookEditCommand
+    public static class SquidexCoreModel
     {
     }
 }

src/Squidex.Domain.Apps.Core.Operations/HandleRules/Actions/WebhookActionHandler.cs

@@ -0,0 +1,115 @@
+// ==========================================================================
+//  WebhookActionHandler.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Text;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Core.Rules.Actions;
+using Squidex.Domain.Apps.Events;
+using Squidex.Infrastructure;
+using Squidex.Infrastructure.CQRS.Events;
+using Squidex.Infrastructure.Http;
+
+namespace Squidex.Domain.Apps.Core.HandleRules.ActionHandlers
+{
+    public sealed class WebhookActionHandler : RuleActionHandler<WebhookAction>
+    {
+        private static readonly TimeSpan Timeout = TimeSpan.FromSeconds(2);
+
+        private readonly JsonSerializer serializer;
+
+        public WebhookActionHandler(JsonSerializer serializer)
+        {
+            Guard.NotNull(serializer, nameof(serializer));
+
+            this.serializer = serializer;
+        }
+
+        protected override (string Description, RuleJobData Data) CreateJob(Envelope<AppEvent> @event, string eventName, WebhookAction action)
+        {
+            var body = CreatePayload(@event, eventName);
+
+            var signature = $"{body.ToString(Formatting.Indented)}{action.SharedSecret}".Sha256Base64();
+
+            var ruleDescription = $"Send event to webhook {action.Url}";
+            var ruleData = new RuleJobData
+            {
+                ["RequestUrl"] = action.Url,
+                ["RequestBody"] = body,
+                ["RequestSignature"] = signature
+            };
+
+            return (ruleDescription, ruleData);
+        }
+
+        private JObject CreatePayload(Envelope<AppEvent> @event, string eventName)
+        {
+            return new JObject(
+                new JProperty("type", eventName),
+                new JProperty("payload", JObject.FromObject(@event.Payload, serializer)),
+                new JProperty("timestamp", @event.Headers.Timestamp().ToString()));
+        }
+
+        public override async Task<(string Dump, Exception Exception)> ExecuteJobAsync(RuleJobData job)
+        {
+            var requestBody = job["RequestBody"].ToString(Formatting.Indented);
+            var request = BuildRequest(job, requestBody);
+
+            HttpResponseMessage response = null;
+
+            try
+            {
+                using (var client = new HttpClient { Timeout = Timeout })
+                {
+                    response = await client.SendAsync(request);
+
+                    var responseString = await response.Content.ReadAsStringAsync();
+                    var requestDump = DumpFormatter.BuildDump(request, response, requestBody, responseString, TimeSpan.Zero, false);
+
+                    return (requestDump, null);
+                }
+            }
+            catch (Exception ex)
+            {
+                if (request != null)
+                {
+                    var requestDump = DumpFormatter.BuildDump(request, response, requestBody, ex.ToString(), TimeSpan.Zero, false);
+
+                    return (requestDump, ex);
+                }
+                else
+                {
+                    var requestDump = ex.ToString();
+
+                    return (requestDump, ex);
+                }
+            }
+        }
+
+        private static HttpRequestMessage BuildRequest(Dictionary<string, JToken> job, string requestBody)
+        {
+            var requestUrl = job["RequestUrl"].ToString();
+            var requestSignature = job["RequestSignature"].ToString();
+
+            var request = new HttpRequestMessage(HttpMethod.Post, requestUrl)
+            {
+                Content = new StringContent(requestBody, Encoding.UTF8, "application/json")
+            };
+
+            request.Headers.Add("X-Signature", requestSignature);
+            request.Headers.Add("User-Agent", "Squidex Webhook");
+
+            return request;
+        }
+    }
+}

src/Squidex.Domain.Apps.Core.Operations/HandleRules/IRuleActionHandler.cs

@@ -0,0 +1,25 @@
+// ==========================================================================
+//  IRuleActionHandler.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using System.Threading.Tasks;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Events;
+using Squidex.Infrastructure.CQRS.Events;
+
+namespace Squidex.Domain.Apps.Core.HandleRules
+{
+    public interface IRuleActionHandler
+    {
+        Type ActionType { get; }
+
+        (string Description, RuleJobData Data) CreateJob(Envelope<AppEvent> @event, string eventName, RuleAction action);
+
+        Task<(string Dump, Exception Exception)> ExecuteJobAsync(RuleJobData data);
+    }
+}

src/Squidex.Domain.Apps.Core.Operations/HandleRules/IRuleTriggerHandler.cs

@@ -0,0 +1,22 @@
+// ==========================================================================
+//  IRuleTriggerHandler.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Events;
+using Squidex.Infrastructure.CQRS.Events;
+
+namespace Squidex.Domain.Apps.Core.HandleRules
+{
+    public interface IRuleTriggerHandler
+    {
+        Type TriggerType { get; }
+
+        bool Triggers(Envelope<AppEvent> @event, RuleTrigger trigger);
+    }
+}

src/Squidex.Domain.Apps.Core.Operations/HandleRules/RuleActionHandler.cs

@@ -0,0 +1,33 @@
+// ==========================================================================
+//  RuleActionHandler.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using System.Threading.Tasks;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Events;
+using Squidex.Infrastructure.CQRS.Events;
+
+namespace Squidex.Domain.Apps.Core.HandleRules
+{
+    public abstract class RuleActionHandler<T> : IRuleActionHandler where T : RuleAction
+    {
+        Type IRuleActionHandler.ActionType
+        {
+            get { return typeof(T); }
+        }
+
+        (string Description, RuleJobData Data) IRuleActionHandler.CreateJob(Envelope<AppEvent> @event, string eventName, RuleAction action)
+        {
+            return CreateJob(@event, eventName, (T)action);
+        }
+
+        protected abstract (string Description, RuleJobData Data) CreateJob(Envelope<AppEvent> @event, string eventName, T action);
+
+        public abstract Task<(string Dump, Exception Exception)> ExecuteJobAsync(RuleJobData job);
+    }
+}

src/Squidex.Domain.Apps.Read/Webhooks/WebhookResult.cs → src/Squidex.Domain.Apps.Core.Operations/HandleRules/RuleResult.cs

@@ -1,14 +1,14 @@
 // ==========================================================================
-//  WebhookResult.cs
+//  RuleResult.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
 //  All rights reserved.
 // ==========================================================================
 
-namespace Squidex.Domain.Apps.Read.Webhooks
+namespace Squidex.Domain.Apps.Core.HandleRules
 {
-    public enum WebhookResult
+    public enum RuleResult
     {
         Pending,
         Success,

src/Squidex.Domain.Apps.Core.Operations/HandleRules/RuleService.cs

@@ -0,0 +1,158 @@
+// ==========================================================================
+//  RuleService.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using NodaTime;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Events;
+using Squidex.Infrastructure;
+using Squidex.Infrastructure.CQRS.Events;
+
+namespace Squidex.Domain.Apps.Core.HandleRules
+{
+    public class RuleService
+    {
+        private const string ContentPrefix = "Content";
+        private static readonly Duration ExpirationTime = Duration.FromDays(2);
+        private readonly Dictionary<Type, IRuleActionHandler> ruleActionHandlers;
+        private readonly Dictionary<Type, IRuleTriggerHandler> ruleTriggerHandlers;
+        private readonly TypeNameRegistry typeNameRegistry;
+        private readonly IClock clock;
+
+        public RuleService(
+            IEnumerable<IRuleTriggerHandler> ruleTriggerHandlers,
+            IEnumerable<IRuleActionHandler> ruleActionHandlers,
+            IClock clock,
+            TypeNameRegistry typeNameRegistry)
+        {
+            Guard.NotNull(ruleTriggerHandlers, nameof(ruleTriggerHandlers));
+            Guard.NotNull(ruleActionHandlers, nameof(ruleActionHandlers));
+            Guard.NotNull(typeNameRegistry, nameof(typeNameRegistry));
+            Guard.NotNull(clock, nameof(clock));
+
+            this.typeNameRegistry = typeNameRegistry;
+
+            this.ruleTriggerHandlers = ruleTriggerHandlers.ToDictionary(x => x.TriggerType);
+            this.ruleActionHandlers = ruleActionHandlers.ToDictionary(x => x.ActionType);
+
+            this.clock = clock;
+        }
+
+        public virtual RuleJob CreateJob(Rule rule, Envelope<IEvent> @event)
+        {
+            Guard.NotNull(rule, nameof(rule));
+            Guard.NotNull(@event, nameof(@event));
+
+            if (!(@event.Payload is AppEvent appEvent))
+            {
+                return null;
+            }
+
+            var actionType = rule.Action.GetType();
+
+            if (!ruleTriggerHandlers.TryGetValue(rule.Trigger.GetType(), out var triggerHandler))
+            {
+                return null;
+            }
+
+            if (!ruleActionHandlers.TryGetValue(actionType, out var actionHandler))
+            {
+                return null;
+            }
+
+            var appEventEnvelope = @event.To<AppEvent>();
+
+            if (!triggerHandler.Triggers(appEventEnvelope, rule.Trigger))
+            {
+                return null;
+            }
+
+            var eventName = CreateEventName(appEvent);
+
+            var now = clock.GetCurrentInstant();
+
+            var actionName = typeNameRegistry.GetName(actionType);
+            var actionData = actionHandler.CreateJob(appEventEnvelope, eventName, rule.Action);
+
+            var job = new RuleJob
+            {
+                RuleId = Guid.NewGuid(),
+                ActionName = actionName,
+                ActionData = actionData.Data,
+                AppId = appEvent.AppId.Id,
+                Created = now,
+                EventName = eventName,
+                Expires = now.Plus(ExpirationTime),
+                Description = actionData.Description
+            };
+
+            return job;
+        }
+
+        public virtual async Task<(string Dump, RuleResult Result, TimeSpan Elapsed)> InvokeAsync(string actionName, RuleJobData job)
+        {
+            try
+            {
+                var actionType = typeNameRegistry.GetType(actionName);
+                var actionWatch = Stopwatch.StartNew();
+
+                var result = await ruleActionHandlers[actionType].ExecuteJobAsync(job);
+
+                actionWatch.Stop();
+
+                var dumpBuilder = new StringBuilder(result.Dump);
+
+                dumpBuilder.AppendLine();
+                dumpBuilder.AppendFormat("Elapsed {0}.", actionWatch.Elapsed);
+                dumpBuilder.AppendLine();
+
+                if (result.Exception is TimeoutException || result.Exception is OperationCanceledException)
+                {
+                    dumpBuilder.AppendLine();
+                    dumpBuilder.AppendLine("Action timed out.");
+
+                    return (dumpBuilder.ToString(), RuleResult.Timeout, actionWatch.Elapsed);
+                }
+                else if (result.Exception != null)
+                {
+                    return (dumpBuilder.ToString(), RuleResult.Failed, actionWatch.Elapsed);
+                }
+                else
+                {
+                    return (dumpBuilder.ToString(), RuleResult.Success, actionWatch.Elapsed);
+                }
+            }
+            catch (Exception ex)
+            {
+                return (ex.ToString(), RuleResult.Failed, TimeSpan.Zero);
+            }
+        }
+
+        private string CreateEventName(AppEvent appEvent)
+        {
+            var eventName = typeNameRegistry.GetName(appEvent.GetType());
+
+            if (appEvent is SchemaEvent schemaEvent)
+            {
+                if (eventName.StartsWith(ContentPrefix, StringComparison.Ordinal))
+                {
+                    eventName = eventName.Substring(ContentPrefix.Length);
+                }
+
+                return $"{schemaEvent.SchemaId.Name.ToPascalCase()}{eventName}";
+            }
+
+            return eventName;
+        }
+    }
+}

src/Squidex.Domain.Apps.Core.Operations/HandleRules/RuleTriggerHandler.cs

@@ -0,0 +1,30 @@
+// ==========================================================================
+//  RuleTriggerHandler.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Events;
+using Squidex.Infrastructure.CQRS.Events;
+
+namespace Squidex.Domain.Apps.Core.HandleRules
+{
+    public abstract class RuleTriggerHandler<T> : IRuleTriggerHandler where T : RuleTrigger
+    {
+        public Type TriggerType
+        {
+            get { return typeof(T); }
+        }
+
+        bool IRuleTriggerHandler.Triggers(Envelope<AppEvent> @event, RuleTrigger trigger)
+        {
+            return Triggers(@event, (T)trigger);
+        }
+
+        protected abstract bool Triggers(Envelope<AppEvent> @event, T trigger);
+    }
+}

src/Squidex.Domain.Apps.Core.Operations/HandleRules/Triggers/ContentChangedTriggerHandler.cs

@@ -0,0 +1,49 @@
+// ==========================================================================
+//  ContentChangedTriggerHandler.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using Squidex.Domain.Apps.Core.Contents;
+using Squidex.Domain.Apps.Core.Rules.Triggers;
+using Squidex.Domain.Apps.Events;
+using Squidex.Domain.Apps.Events.Contents;
+using Squidex.Infrastructure.CQRS.Events;
+
+namespace Squidex.Domain.Apps.Core.HandleRules.Triggers
+{
+    public sealed class ContentChangedTriggerHandler : RuleTriggerHandler<ContentChangedTrigger>
+    {
+        protected override bool Triggers(Envelope<AppEvent> @event, ContentChangedTrigger trigger)
+        {
+            if (trigger.Schemas != null && @event.Payload is SchemaEvent schemaEvent)
+            {
+                foreach (var schema in trigger.Schemas)
+                {
+                    if (MatchsSchema(schema, schemaEvent) && MatchsType(schema, schemaEvent))
+                    {
+                        return true;
+                    }
+                }
+            }
+
+            return false;
+        }
+
+        private static bool MatchsSchema(ContentChangedTriggerSchema schema, SchemaEvent @event)
+        {
+            return @event.SchemaId.Id == schema.SchemaId;
+        }
+
+        private static bool MatchsType(ContentChangedTriggerSchema schema, SchemaEvent @event)
+        {
+            return
+                (schema.SendCreate && @event is ContentCreated) ||
+                (schema.SendUpdate && @event is ContentUpdated) ||
+                (schema.SendDelete && @event is ContentDeleted) ||
+                (schema.SendPublish && @event is ContentStatusChanged statusChanged && statusChanged.Status == Status.Published);
+        }
+    }
+}

src/Squidex.Domain.Apps.Core.Operations/Squidex.Domain.Apps.Core.Operations.csproj

@@ -9,6 +9,7 @@
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\Squidex.Domain.Apps.Core.Model\Squidex.Domain.Apps.Core.Model.csproj" />
+    <ProjectReference Include="..\Squidex.Domain.Apps.Events\Squidex.Domain.Apps.Events.csproj" />
     <ProjectReference Include="..\Squidex.Infrastructure\Squidex.Infrastructure.csproj" />
   </ItemGroup>
   <ItemGroup>

src/Squidex.Domain.Apps.Events/Webhooks/WebhookCreated.cs → src/Squidex.Domain.Apps.Events/Rules/RuleCreated.cs

@@ -1,18 +1,21 @@
 // ==========================================================================
-//  WebhookCreated.cs
+//  RuleCreated.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
 //  All rights reserved.
 // ==========================================================================
 
+using Squidex.Domain.Apps.Core.Rules;
 using Squidex.Infrastructure.CQRS.Events;
 
-namespace Squidex.Domain.Apps.Events.Webhooks
+namespace Squidex.Domain.Apps.Events.Rules
 {
-    [EventType(nameof(WebhookCreated))]
-    public sealed class WebhookCreated : WebhookEditEvent
+    [EventType(nameof(RuleCreated))]
+    public sealed class RuleCreated : RuleEvent
     {
-        public string SharedSecret { get; set; }
+        public RuleTrigger Trigger { get; set; }
+
+        public RuleAction Action { get; set; }
     }
 }

src/Squidex.Domain.Apps.Events/Webhooks/WebhookDeleted.cs → src/Squidex.Domain.Apps.Events/Rules/RuleDeleted.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  WebhookDeleted.cs
+//  RuleDeleted.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -8,10 +8,10 @@
 
 using Squidex.Infrastructure.CQRS.Events;
 
-namespace Squidex.Domain.Apps.Events.Webhooks
+namespace Squidex.Domain.Apps.Events.Rules
 {
-    [EventType(nameof(WebhookDeleted), 2)]
-    public sealed class WebhookDeleted : WebhookEvent
+    [EventType(nameof(RuleDeleted))]
+    public sealed class RuleDeleted : RuleEvent
     {
     }
 }

src/Squidex.Domain.Apps.Events/Webhooks/WebhookUpdated.cs → src/Squidex.Domain.Apps.Events/Rules/RuleDisabled.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  WebhookUpdated.cs
+//  RuleDisabled.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -8,10 +8,10 @@
 
 using Squidex.Infrastructure.CQRS.Events;
 
-namespace Squidex.Domain.Apps.Events.Webhooks
+namespace Squidex.Domain.Apps.Events.Rules
 {
-    [EventType(nameof(WebhookUpdated))]
-    public sealed class WebhookUpdated : WebhookEditEvent
+    [EventType(nameof(RuleDisabled))]
+    public sealed class RuleDisabled : RuleEvent
     {
     }
 }

src/Squidex.Domain.Apps.Events/Rules/RuleEnabled.cs

@@ -0,0 +1,17 @@
+// ==========================================================================
+//  RuleEnabled.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using Squidex.Infrastructure.CQRS.Events;
+
+namespace Squidex.Domain.Apps.Events.Rules
+{
+    [EventType(nameof(RuleEnabled))]
+    public sealed class RuleEnabled : RuleEvent
+    {
+    }
+}

src/Squidex.Domain.Apps.Events/Webhooks/WebhookEvent.cs → src/Squidex.Domain.Apps.Events/Rules/RuleEvent.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  WebhookEvent.cs
+//  RuleEvent.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -8,10 +8,10 @@
 
 using System;
 
-namespace Squidex.Domain.Apps.Events.Webhooks
+namespace Squidex.Domain.Apps.Events.Rules
 {
-    public abstract class WebhookEvent : AppEvent
+    public abstract class RuleEvent : AppEvent
     {
-        public Guid WebhookId { get; set; }
+        public Guid RuleId { get; set; }
     }
 }

src/Squidex.Domain.Apps.Events/Rules/RuleUpdated.cs

@@ -0,0 +1,21 @@
+// ==========================================================================
+//  RuleUpdated.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Infrastructure.CQRS.Events;
+
+namespace Squidex.Domain.Apps.Events.Rules
+{
+    [EventType(nameof(RuleUpdated))]
+    public sealed class RuleUpdated : RuleEvent
+    {
+        public RuleTrigger Trigger { get; set; }
+
+        public RuleAction Action { get; set; }
+    }
+}

src/Squidex.Domain.Apps.Events/Rules/Utils/RuleEventDispatcher.cs

@@ -0,0 +1,43 @@
+// ==========================================================================
+//  RuleEventDispatcher.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using Squidex.Domain.Apps.Core.Rules;
+
+namespace Squidex.Domain.Apps.Events.Rules.Utils
+{
+    public static class RuleEventDispatcher
+    {
+        public static Rule Create(RuleCreated @event)
+        {
+            return new Rule(@event.Trigger, @event.Action);
+        }
+
+        public static void Apply(this Rule rule, RuleUpdated @event)
+        {
+            if (@event.Trigger != null)
+            {
+                rule.Update(@event.Trigger);
+            }
+
+            if (@event.Action != null)
+            {
+                rule.Update(@event.Action);
+            }
+        }
+
+        public static void Apply(this Rule rule, RuleEnabled @event)
+        {
+            rule.Enable();
+        }
+
+        public static void Apply(this Rule rule, RuleDisabled @event)
+        {
+            rule.Disable();
+        }
+    }
+}

src/Squidex.Domain.Apps.Write/Webhooks/Commands/DeleteWebhook.cs → src/Squidex.Domain.Apps.Events/SquidexEvents.cs

@@ -1,14 +1,14 @@
 // ==========================================================================
-//  DeleteWebhook.cs
+//  SquidexEvents.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
 //  All rights reserved.
 // ==========================================================================
 
-namespace Squidex.Domain.Apps.Write.Webhooks.Commands
+namespace Squidex.Domain.Apps.Events
 {
-    public sealed class DeleteWebhook : WebhookAggregateCommand
+    public static class SquidexEvents
     {
     }
 }

src/Squidex.Domain.Apps.Read.MongoDb/Apps/MongoAppRepository_EventHandling.cs

@@ -13,7 +13,6 @@ using Squidex.Domain.Apps.Core.Apps;
 using Squidex.Domain.Apps.Events;
 using Squidex.Domain.Apps.Events.Apps;
 using Squidex.Domain.Apps.Events.Apps.Utils;
-using Squidex.Domain.Apps.Read.MongoDb.Utils;
 using Squidex.Infrastructure;
 using Squidex.Infrastructure.CQRS.Events;
 using Squidex.Infrastructure.Dispatching;

src/Squidex.Domain.Apps.Read.MongoDb/Assets/MongoAssetRepository_EventHandling.cs

@@ -9,7 +9,6 @@
 using System.Threading.Tasks;
 using MongoDB.Driver;
 using Squidex.Domain.Apps.Events.Assets;
-using Squidex.Domain.Apps.Read.MongoDb.Utils;
 using Squidex.Infrastructure.CQRS.Events;
 using Squidex.Infrastructure.Dispatching;
 using Squidex.Infrastructure.Reflection;

src/Squidex.Domain.Apps.Read.MongoDb/Contents/MongoContentRepository_EventHandling.cs

@@ -13,7 +13,6 @@ using Squidex.Domain.Apps.Core.ConvertContent;
 using Squidex.Domain.Apps.Events.Apps;
 using Squidex.Domain.Apps.Events.Assets;
 using Squidex.Domain.Apps.Events.Contents;
-using Squidex.Domain.Apps.Read.MongoDb.Utils;
 using Squidex.Infrastructure.CQRS.Events;
 using Squidex.Infrastructure.Dispatching;
 using Squidex.Infrastructure.Reflection;

src/Squidex.Domain.Apps.Read.MongoDb/Utils/EntityMapper.cs → src/Squidex.Domain.Apps.Read.MongoDb/EntityMapper.cs

@@ -10,7 +10,7 @@ using Squidex.Domain.Apps.Events;
 using Squidex.Infrastructure.CQRS.Events;
 using Squidex.Infrastructure.MongoDb;
 
-namespace Squidex.Domain.Apps.Read.MongoDb.Utils
+namespace Squidex.Domain.Apps.Read.MongoDb
 {
     public static class EntityMapper
     {

src/Squidex.Domain.Apps.Read.MongoDb/History/MongoHistoryEventRepository.cs

@@ -14,7 +14,6 @@ using MongoDB.Driver;
 using Squidex.Domain.Apps.Events;
 using Squidex.Domain.Apps.Read.History;
 using Squidex.Domain.Apps.Read.History.Repositories;
-using Squidex.Domain.Apps.Read.MongoDb.Utils;
 using Squidex.Infrastructure.CQRS.Events;
 using Squidex.Infrastructure.MongoDb;
 

src/Squidex.Domain.Apps.Read.MongoDb/Utils/MongoCollectionExtensions.cs → src/Squidex.Domain.Apps.Read.MongoDb/MongoCollectionExtensions.cs

@@ -14,7 +14,7 @@ using Squidex.Infrastructure;
 using Squidex.Infrastructure.CQRS.Events;
 using Squidex.Infrastructure.MongoDb;
 
-namespace Squidex.Domain.Apps.Read.MongoDb.Utils
+namespace Squidex.Domain.Apps.Read.MongoDb
 {
     public static class MongoCollectionExtensions
     {

src/Squidex.Domain.Apps.Read.MongoDb/Rules/MongoRuleEntity.cs

@@ -0,0 +1,41 @@
+// ==========================================================================
+//  MongoRuleEntity.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using MongoDB.Bson.Serialization.Attributes;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Read.Rules;
+using Squidex.Infrastructure;
+using Squidex.Infrastructure.MongoDb;
+
+namespace Squidex.Domain.Apps.Read.MongoDb.Rules
+{
+    public class MongoRuleEntity : MongoEntity, IRuleEntity
+    {
+        [BsonRequired]
+        [BsonElement]
+        public Guid AppId { get; set; }
+
+        [BsonRequired]
+        [BsonElement]
+        public RefToken CreatedBy { get; set; }
+
+        [BsonRequired]
+        [BsonElement]
+        public RefToken LastModifiedBy { get; set; }
+
+        [BsonRequired]
+        [BsonElement]
+        public long Version { get; set; }
+
+        [BsonRequired]
+        [BsonElement]
+        [BsonJson]
+        public Rule Rule { get; set; }
+    }
+}

src/Squidex.Domain.Apps.Read.MongoDb/Webhooks/MongoWebhookEventEntity.cs → src/Squidex.Domain.Apps.Read.MongoDb/Rules/MongoRuleEventEntity.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  MongoWebhookEventEntity.cs
+//  MongoRuleEventEntity.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -9,43 +9,26 @@
 using System;
 using MongoDB.Bson.Serialization.Attributes;
 using NodaTime;
-using Squidex.Domain.Apps.Read.Webhooks;
+using Squidex.Domain.Apps.Core.HandleRules;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Read.Rules;
 using Squidex.Infrastructure.MongoDb;
-using Squidex.Infrastructure.Reflection;
 
-namespace Squidex.Domain.Apps.Read.MongoDb.Webhooks
+namespace Squidex.Domain.Apps.Read.MongoDb.Rules
 {
-    public sealed class MongoWebhookEventEntity : MongoEntity, IWebhookEventEntity
+    public sealed class MongoRuleEventEntity : MongoEntity, IRuleEventEntity
     {
-        private WebhookJob job;
-
         [BsonRequired]
         [BsonElement]
         public Guid AppId { get; set; }
 
         [BsonRequired]
         [BsonElement]
-        public long Version { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public Uri RequestUrl { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public string RequestBody { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public string RequestSignature { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public string EventName { get; set; }
+        public string LastDump { get; set; }
 
         [BsonRequired]
         [BsonElement]
-        public string LastDump { get; set; }
+        public int NumCalls { get; set; }
 
         [BsonRequired]
         [BsonElement]
@@ -57,23 +40,19 @@ namespace Squidex.Domain.Apps.Read.MongoDb.Webhooks
 
         [BsonRequired]
         [BsonElement]
-        public int NumCalls { get; set; }
+        public bool IsSending { get; set; }
 
         [BsonRequired]
         [BsonElement]
-        public bool IsSending { get; set; }
+        public RuleResult Result { get; set; }
 
         [BsonRequired]
         [BsonElement]
-        public WebhookResult Result { get; set; }
+        public RuleJobResult JobResult { get; set; }
 
         [BsonRequired]
         [BsonElement]
-        public WebhookJobResult JobResult { get; set; }
-
-        public WebhookJob Job
-        {
-            get { return job ?? (job = SimpleMapper.Map(this, new WebhookJob())); }
-        }
+        [BsonJson]
+        public RuleJob Job { get; set; }
     }
 }

src/Squidex.Domain.Apps.Read.MongoDb/Webhooks/MongoWebhookEventRepository.cs → src/Squidex.Domain.Apps.Read.MongoDb/Rules/MongoRuleEventRepository.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  MongoWebhookEventRepository.cs
+//  MongoRuleEventRepository.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -12,32 +12,28 @@ using System.Threading;
 using System.Threading.Tasks;
 using MongoDB.Driver;
 using NodaTime;
-using Squidex.Domain.Apps.Read.Webhooks;
-using Squidex.Domain.Apps.Read.Webhooks.Repositories;
-using Squidex.Infrastructure;
+using Squidex.Domain.Apps.Core.HandleRules;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Read.Rules;
+using Squidex.Domain.Apps.Read.Rules.Repositories;
 using Squidex.Infrastructure.MongoDb;
 using Squidex.Infrastructure.Reflection;
 
-namespace Squidex.Domain.Apps.Read.MongoDb.Webhooks
+namespace Squidex.Domain.Apps.Read.MongoDb.Rules
 {
-    public sealed class MongoWebhookEventRepository : MongoRepositoryBase<MongoWebhookEventEntity>, IWebhookEventRepository
+    public sealed class MongoRuleEventRepository : MongoRepositoryBase<MongoRuleEventEntity>, IRuleEventRepository
     {
-        private readonly IClock clock;
-
-        public MongoWebhookEventRepository(IMongoDatabase database, IClock clock)
+        public MongoRuleEventRepository(IMongoDatabase database)
             : base(database)
         {
-            Guard.NotNull(clock, nameof(clock));
-
-            this.clock = clock;
         }
 
         protected override string CollectionName()
         {
-            return "WebhookEvents";
+            return "RuleEvents";
         }
 
-        protected override Task SetupCollectionAsync(IMongoCollection<MongoWebhookEventEntity> collection)
+        protected override Task SetupCollectionAsync(IMongoCollection<MongoRuleEventEntity> collection)
         {
             return Task.WhenAll(
                 collection.Indexes.CreateOneAsync(Index.Ascending(x => x.NextAttempt).Descending(x => x.IsSending)),
@@ -45,29 +41,27 @@ namespace Squidex.Domain.Apps.Read.MongoDb.Webhooks
                 collection.Indexes.CreateOneAsync(Index.Ascending(x => x.Expires), new CreateIndexOptions { ExpireAfter = TimeSpan.Zero }));
         }
 
-        public Task QueryPendingAsync(Func<IWebhookEventEntity, Task> callback, CancellationToken cancellationToken = default(CancellationToken))
+        public Task QueryPendingAsync(Instant now, Func<IRuleEventEntity, Task> callback, CancellationToken cancellationToken = default(CancellationToken))
         {
-            var now = clock.GetCurrentInstant();
-
             return Collection.Find(x => x.NextAttempt < now && !x.IsSending).ForEachAsync(callback, cancellationToken);
         }
 
-        public async Task<IReadOnlyList<IWebhookEventEntity>> QueryByAppAsync(Guid appId, int skip = 0, int take = 20)
+        public async Task<IReadOnlyList<IRuleEventEntity>> QueryByAppAsync(Guid appId, int skip = 0, int take = 20)
         {
-            var webhookEventEntities =
+            var ruleEventEntities =
                 await Collection.Find(x => x.AppId == appId).Skip(skip).Limit(take).SortByDescending(x => x.Created)
                     .ToListAsync();
 
-            return webhookEventEntities;
+            return ruleEventEntities;
         }
 
-        public async Task<IWebhookEventEntity> FindAsync(Guid id)
+        public async Task<IRuleEventEntity> FindAsync(Guid id)
         {
-            var webhookEventEntity =
+            var ruleEvent =
                 await Collection.Find(x => x.Id == id)
                     .FirstOrDefaultAsync();
 
-            return webhookEventEntity;
+            return ruleEvent;
         }
 
         public async Task<int> CountByAppAsync(Guid appId)
@@ -80,35 +74,20 @@ namespace Squidex.Domain.Apps.Read.MongoDb.Webhooks
             return Collection.UpdateOneAsync(x => x.Id == id, Update.Set(x => x.NextAttempt, nextAttempt));
         }
 
-        public Task TraceSendingAsync(Guid jobId)
+        public Task EnqueueAsync(RuleJob job, Instant nextAttempt)
         {
-            return Collection.UpdateOneAsync(x => x.Id == jobId, Update.Set(x => x.IsSending, true));
-        }
-
-        public Task EnqueueAsync(WebhookJob job, Instant nextAttempt)
-        {
-            var entity = SimpleMapper.Map(job, new MongoWebhookEventEntity { Created = clock.GetCurrentInstant(), NextAttempt = nextAttempt });
+            var entity = SimpleMapper.Map(job, new MongoRuleEventEntity { Job = job, Created = nextAttempt, NextAttempt = nextAttempt });
 
             return Collection.InsertOneIfNotExistsAsync(entity);
         }
 
-        public Task TraceSentAsync(Guid jobId, string dump, WebhookResult result, TimeSpan elapsed, Instant? nextAttempt)
+        public Task MarkSendingAsync(Guid jobId)
         {
-            WebhookJobResult jobResult;
-
-            if (result != WebhookResult.Success && nextAttempt == null)
-            {
-                jobResult = WebhookJobResult.Failed;
-            }
-            else if (result != WebhookResult.Success && nextAttempt.HasValue)
-            {
-                jobResult = WebhookJobResult.Retry;
-            }
-            else
-            {
-                jobResult = WebhookJobResult.Success;
-            }
+            return Collection.UpdateOneAsync(x => x.Id == jobId, Update.Set(x => x.IsSending, true));
+        }
 
+        public Task MarkSentAsync(Guid jobId, string dump, RuleResult result, RuleJobResult jobResult, TimeSpan elapsed, Instant? nextAttempt)
+        {
             return Collection.UpdateOneAsync(x => x.Id == jobId,
                 Update.Set(x => x.Result, result)
                       .Set(x => x.LastDump, dump)

src/Squidex.Domain.Apps.Read.MongoDb/Rules/MongoRuleRepository.cs

@@ -0,0 +1,90 @@
+// ==========================================================================
+//  MongoRuleRepository.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using MongoDB.Bson;
+using MongoDB.Driver;
+using Squidex.Domain.Apps.Read.Rules;
+using Squidex.Domain.Apps.Read.Rules.Repositories;
+using Squidex.Infrastructure;
+using Squidex.Infrastructure.CQRS.Events;
+using Squidex.Infrastructure.MongoDb;
+
+namespace Squidex.Domain.Apps.Read.MongoDb.Rules
+{
+    public partial class MongoRuleRepository : MongoRepositoryBase<MongoRuleEntity>, IRuleRepository, IEventConsumer
+    {
+        private static readonly List<IRuleEntity> EmptyRules = new List<IRuleEntity>();
+        private readonly SemaphoreSlim lockObject = new SemaphoreSlim(1);
+        private Dictionary<Guid, List<IRuleEntity>> inMemoryRules;
+
+        public MongoRuleRepository(IMongoDatabase database)
+            : base(database)
+        {
+        }
+
+        protected override string CollectionName()
+        {
+            return "Projections_Rules";
+        }
+
+        protected override Task SetupCollectionAsync(IMongoCollection<MongoRuleEntity> collection)
+        {
+            return Task.WhenAll(collection.Indexes.CreateOneAsync(Index.Ascending(x => x.AppId)));
+        }
+
+        public async Task<IReadOnlyList<IRuleEntity>> QueryByAppAsync(Guid appId)
+        {
+            var entities =
+                await Collection.Find(x => x.AppId == appId)
+                    .ToListAsync();
+
+            return entities.OfType<IRuleEntity>().ToList();
+        }
+
+        public async Task<IReadOnlyList<IRuleEntity>> QueryCachedByAppAsync(Guid appId)
+        {
+            await EnsureRulesLoadedAsync();
+
+            return inMemoryRules.GetOrDefault(appId)?.ToList() ?? EmptyRules;
+        }
+
+        private async Task EnsureRulesLoadedAsync()
+        {
+            if (inMemoryRules == null)
+            {
+                try
+                {
+                    await lockObject.WaitAsync();
+
+                    if (inMemoryRules == null)
+                    {
+                        inMemoryRules = new Dictionary<Guid, List<IRuleEntity>>();
+
+                        var webhooks =
+                            await Collection.Find(new BsonDocument())
+                                .ToListAsync();
+
+                        foreach (var webhook in webhooks)
+                        {
+                            inMemoryRules.GetOrAddNew(webhook.AppId).Add(webhook);
+                        }
+                    }
+                }
+                finally
+                {
+                    lockObject.Release();
+                }
+            }
+        }
+    }
+}

src/Squidex.Domain.Apps.Read.MongoDb/Rules/MongoRuleRepository_EventHandling.cs

@@ -0,0 +1,97 @@
+// ==========================================================================
+//  MongoRuleRepository_EventHandling.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.Threading.Tasks;
+using MongoDB.Driver;
+using Squidex.Domain.Apps.Events.Rules;
+using Squidex.Domain.Apps.Events.Rules.Utils;
+using Squidex.Infrastructure;
+using Squidex.Infrastructure.CQRS.Events;
+using Squidex.Infrastructure.Dispatching;
+
+namespace Squidex.Domain.Apps.Read.MongoDb.Rules
+{
+    public partial class MongoRuleRepository
+    {
+        public string Name
+        {
+            get { return GetType().Name; }
+        }
+
+        public string EventsFilter
+        {
+            get { return "^rule-"; }
+        }
+
+        public Task On(Envelope<IEvent> @event)
+        {
+            return this.DispatchActionAsync(@event.Payload, @event.Headers);
+        }
+
+        protected async Task On(RuleCreated @event, EnvelopeHeaders headers)
+        {
+            await EnsureRulesLoadedAsync();
+
+            await Collection.CreateAsync(@event, headers, w =>
+            {
+                w.Rule = RuleEventDispatcher.Create(@event);
+
+                inMemoryRules.GetOrAddNew(w.AppId).RemoveAll(x => x.Id == w.Id);
+                inMemoryRules.GetOrAddNew(w.AppId).Add(w);
+            });
+        }
+
+        protected async Task On(RuleUpdated @event, EnvelopeHeaders headers)
+        {
+            await EnsureRulesLoadedAsync();
+
+            await Collection.UpdateAsync(@event, headers, w =>
+            {
+                w.Rule.Apply(@event);
+
+                inMemoryRules.GetOrAddNew(w.AppId).RemoveAll(x => x.Id == w.Id);
+                inMemoryRules.GetOrAddNew(w.AppId).Add(w);
+            });
+        }
+
+        protected async Task On(RuleEnabled @event, EnvelopeHeaders headers)
+        {
+            await EnsureRulesLoadedAsync();
+
+            await Collection.UpdateAsync(@event, headers, w =>
+            {
+                w.Rule.Apply(@event);
+
+                inMemoryRules.GetOrAddNew(w.AppId).RemoveAll(x => x.Id == w.Id);
+                inMemoryRules.GetOrAddNew(w.AppId).Add(w);
+            });
+        }
+
+        protected async Task On(RuleDisabled @event, EnvelopeHeaders headers)
+        {
+            await EnsureRulesLoadedAsync();
+
+            await Collection.UpdateAsync(@event, headers, w =>
+            {
+                w.Rule.Apply(@event);
+
+                inMemoryRules.GetOrAddNew(w.AppId).RemoveAll(x => x.Id == w.Id);
+                inMemoryRules.GetOrAddNew(w.AppId).Add(w);
+            });
+        }
+
+        protected async Task On(RuleDeleted @event, EnvelopeHeaders headers)
+        {
+            await EnsureRulesLoadedAsync();
+
+            inMemoryRules.GetOrAddNew(@event.AppId.Id).RemoveAll(x => x.Id == @event.RuleId);
+
+            await Collection.DeleteManyAsync(x => x.Id == @event.RuleId);
+        }
+    }
+}

src/Squidex.Domain.Apps.Read.MongoDb/Schemas/MongoSchemaRepository_EventHandling.cs

@@ -12,7 +12,6 @@ using Squidex.Domain.Apps.Events;
 using Squidex.Domain.Apps.Events.Schemas;
 using Squidex.Domain.Apps.Events.Schemas.Old;
 using Squidex.Domain.Apps.Events.Schemas.Utils;
-using Squidex.Domain.Apps.Read.MongoDb.Utils;
 using Squidex.Infrastructure.CQRS.Events;
 using Squidex.Infrastructure.Dispatching;
 using Squidex.Infrastructure.Reflection;

src/Squidex.Domain.Apps.Read.MongoDb/Webhooks/MongoWebhookEntity.cs

@@ -1,74 +0,0 @@
-// ==========================================================================
-//  MongoWebhookEntity.cs
-//  Squidex Headless CMS
-// ==========================================================================
-//  Copyright (c) Squidex Group
-//  All rights reserved.
-// ==========================================================================
-
-using System;
-using System.Collections.Generic;
-using MongoDB.Bson.Serialization.Attributes;
-using Squidex.Domain.Apps.Core.Webhooks;
-using Squidex.Domain.Apps.Read.Webhooks;
-using Squidex.Infrastructure;
-using Squidex.Infrastructure.MongoDb;
-
-namespace Squidex.Domain.Apps.Read.MongoDb.Webhooks
-{
-    public class MongoWebhookEntity : MongoEntity, IWebhookEntity
-    {
-        [BsonRequired]
-        [BsonElement]
-        public Uri Url { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public Guid AppId { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public long Version { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public RefToken CreatedBy { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public RefToken LastModifiedBy { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public string SharedSecret { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public long TotalSucceeded { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public long TotalFailed { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public long TotalTimedout { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public long TotalRequestTime { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public List<WebhookSchema> Schemas { get; set; }
-
-        [BsonRequired]
-        [BsonElement]
-        public List<Guid> SchemaIds { get; set; }
-
-        IEnumerable<WebhookSchema> IWebhookEntity.Schemas
-        {
-            get { return Schemas; }
-        }
-    }
-}

src/Squidex.Domain.Apps.Read.MongoDb/Webhooks/MongoWebhookRepository.cs

@@ -1,119 +0,0 @@
-// ==========================================================================
-//  MongoWebhookRepository.cs
-//  Squidex Headless CMS
-// ==========================================================================
-//  Copyright (c) Squidex Group
-//  All rights reserved.
-// ==========================================================================
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-using MongoDB.Bson;
-using MongoDB.Driver;
-using Squidex.Domain.Apps.Read.Webhooks;
-using Squidex.Domain.Apps.Read.Webhooks.Repositories;
-using Squidex.Infrastructure;
-using Squidex.Infrastructure.CQRS.Events;
-using Squidex.Infrastructure.MongoDb;
-
-namespace Squidex.Domain.Apps.Read.MongoDb.Webhooks
-{
-    public partial class MongoWebhookRepository : MongoRepositoryBase<MongoWebhookEntity>, IWebhookRepository, IEventConsumer
-    {
-        private static readonly List<IWebhookEntity> EmptyWebhooks = new List<IWebhookEntity>();
-        private readonly SemaphoreSlim lockObject = new SemaphoreSlim(1);
-        private Dictionary<Guid, List<IWebhookEntity>> inMemoryWebhooks;
-
-        public MongoWebhookRepository(IMongoDatabase database)
-            : base(database)
-        {
-        }
-
-        protected override string CollectionName()
-        {
-            return "Projections_SchemaWebhooks";
-        }
-
-        protected override Task SetupCollectionAsync(IMongoCollection<MongoWebhookEntity> collection)
-        {
-            return Task.WhenAll(
-                collection.Indexes.CreateOneAsync(Index.Ascending(x => x.AppId)),
-                collection.Indexes.CreateOneAsync(Index.Ascending(x => x.SchemaIds)));
-        }
-
-        public async Task<IReadOnlyList<IWebhookEntity>> QueryByAppAsync(Guid appId)
-        {
-            var entities =
-                await Collection.Find(x => x.AppId == appId)
-                    .ToListAsync();
-
-            return entities.OfType<IWebhookEntity>().ToList();
-        }
-
-        public async Task<IReadOnlyList<IWebhookEntity>> QueryCachedByAppAsync(Guid appId)
-        {
-            await EnsureWebooksLoadedAsync();
-
-            return inMemoryWebhooks.GetOrDefault(appId) ?? EmptyWebhooks;
-        }
-
-        public async Task TraceSentAsync(Guid webhookId, WebhookResult result, TimeSpan elapsed)
-        {
-            var webhookEntity =
-                await Collection.Find(x => x.Id == webhookId)
-                    .FirstOrDefaultAsync();
-
-            if (webhookEntity != null)
-            {
-                switch (result)
-                {
-                    case WebhookResult.Success:
-                        webhookEntity.TotalSucceeded++;
-                        break;
-                    case WebhookResult.Failed:
-                        webhookEntity.TotalFailed++;
-                        break;
-                    case WebhookResult.Timeout:
-                        webhookEntity.TotalTimedout++;
-                        break;
-                }
-
-                webhookEntity.TotalRequestTime += (long)elapsed.TotalMilliseconds;
-
-                await Collection.ReplaceOneAsync(x => x.Id == webhookId, webhookEntity);
-            }
-        }
-
-        private async Task EnsureWebooksLoadedAsync()
-        {
-            if (inMemoryWebhooks == null)
-            {
-                try
-                {
-                    await lockObject.WaitAsync();
-
-                    if (inMemoryWebhooks == null)
-                    {
-                        inMemoryWebhooks = new Dictionary<Guid, List<IWebhookEntity>>();
-
-                        var webhooks =
-                            await Collection.Find(new BsonDocument())
-                                .ToListAsync();
-
-                        foreach (var webhook in webhooks)
-                        {
-                            inMemoryWebhooks.GetOrAddNew(webhook.AppId).Add(webhook);
-                        }
-                    }
-                }
-                finally
-                {
-                    lockObject.Release();
-                }
-            }
-        }
-    }
-}

src/Squidex.Domain.Apps.Read.MongoDb/Webhooks/MongoWebhookRepository_EventHandling.cs

@@ -1,99 +0,0 @@
-// ==========================================================================
-//  MongoSchemaWebhookRepository_EventHandling.cs
-//  Squidex Headless CMS
-// ==========================================================================
-//  Copyright (c) Squidex Group
-//  All rights reserved.
-// ==========================================================================
-
-using System.Linq;
-using System.Threading.Tasks;
-using MongoDB.Driver;
-using Squidex.Domain.Apps.Events.Schemas;
-using Squidex.Domain.Apps.Events.Webhooks;
-using Squidex.Domain.Apps.Read.MongoDb.Utils;
-using Squidex.Infrastructure;
-using Squidex.Infrastructure.CQRS.Events;
-using Squidex.Infrastructure.Dispatching;
-using Squidex.Infrastructure.Reflection;
-
-namespace Squidex.Domain.Apps.Read.MongoDb.Webhooks
-{
-    public partial class MongoWebhookRepository
-    {
-        public string Name
-        {
-            get { return GetType().Name; }
-        }
-
-        public string EventsFilter
-        {
-            get { return "(^webhook-)|(^schema-)"; }
-        }
-
-        public Task On(Envelope<IEvent> @event)
-        {
-            return this.DispatchActionAsync(@event.Payload, @event.Headers);
-        }
-
-        protected async Task On(WebhookCreated @event, EnvelopeHeaders headers)
-        {
-            await EnsureWebooksLoadedAsync();
-
-            await Collection.CreateAsync(@event, headers, w =>
-            {
-                SimpleMapper.Map(@event, w);
-
-                w.SchemaIds = w.Schemas.Select(x => x.SchemaId).ToList();
-
-                inMemoryWebhooks.GetOrAddNew(w.AppId).RemoveAll(x => x.Id == w.Id);
-                inMemoryWebhooks.GetOrAddNew(w.AppId).Add(w);
-            });
-        }
-
-        protected async Task On(WebhookUpdated @event, EnvelopeHeaders headers)
-        {
-            await EnsureWebooksLoadedAsync();
-
-            await Collection.UpdateAsync(@event, headers, w =>
-            {
-                SimpleMapper.Map(@event, w);
-
-                w.SchemaIds = w.Schemas.Select(x => x.SchemaId).ToList();
-
-                inMemoryWebhooks.GetOrAddNew(w.AppId).RemoveAll(x => x.Id == w.Id);
-                inMemoryWebhooks.GetOrAddNew(w.AppId).Add(w);
-            });
-        }
-
-        protected async Task On(SchemaDeleted @event, EnvelopeHeaders headers)
-        {
-            await EnsureWebooksLoadedAsync();
-
-            var webhooks =
-                await Collection.Find(t => t.SchemaIds.Contains(@event.SchemaId.Id))
-                    .ToListAsync();
-
-            foreach (var webhook in webhooks)
-            {
-                webhook.Schemas.RemoveAll(s => s.SchemaId == @event.SchemaId.Id);
-
-                webhook.SchemaIds = webhook.Schemas.Select(x => x.SchemaId).ToList();
-
-                inMemoryWebhooks.GetOrAddNew(webhook.AppId).RemoveAll(x => x.Id == webhook.Id);
-                inMemoryWebhooks.GetOrAddNew(webhook.AppId).Add(webhook);
-
-                await Collection.ReplaceOneAsync(x => x.Id == webhook.Id, webhook);
-            }
-        }
-
-        protected async Task On(WebhookDeleted @event, EnvelopeHeaders headers)
-        {
-            await EnsureWebooksLoadedAsync();
-
-            inMemoryWebhooks.GetOrAddNew(@event.AppId.Id).RemoveAll(x => x.Id == @event.WebhookId);
-
-            await Collection.DeleteManyAsync(x => x.Id == @event.WebhookId);
-        }
-    }
-}

src/Squidex.Domain.Apps.Read/Apps/Services/Implementations/CachingAppProvider.cs

@@ -11,7 +11,6 @@ using System.Threading.Tasks;
 using Microsoft.Extensions.Caching.Memory;
 using Squidex.Domain.Apps.Events;
 using Squidex.Domain.Apps.Read.Apps.Repositories;
-using Squidex.Domain.Apps.Read.Utils;
 using Squidex.Infrastructure;
 using Squidex.Infrastructure.Caching;
 using Squidex.Infrastructure.CQRS.Events;

src/Squidex.Domain.Apps.Read/Utils/CachingProviderBase.cs → src/Squidex.Domain.Apps.Read/CachingProviderBase.cs

@@ -9,7 +9,7 @@
 using Microsoft.Extensions.Caching.Memory;
 using Squidex.Infrastructure;
 
-namespace Squidex.Domain.Apps.Read.Utils
+namespace Squidex.Domain.Apps.Read
 {
     public abstract class CachingProviderBase
     {

src/Squidex.Domain.Apps.Read/Contents/Edm/EdmModelBuilder.cs

@@ -14,7 +14,6 @@ using Squidex.Domain.Apps.Core.GenerateEdmSchema;
 using Squidex.Domain.Apps.Core.Schemas;
 using Squidex.Domain.Apps.Read.Apps;
 using Squidex.Domain.Apps.Read.Schemas;
-using Squidex.Domain.Apps.Read.Utils;
 using Squidex.Infrastructure;
 
 namespace Squidex.Domain.Apps.Read.Contents.Edm

src/Squidex.Domain.Apps.Read/Contents/GraphQL/CachingGraphQLService.cs

@@ -15,7 +15,6 @@ using Squidex.Domain.Apps.Events;
 using Squidex.Domain.Apps.Read.Apps;
 using Squidex.Domain.Apps.Read.Assets.Repositories;
 using Squidex.Domain.Apps.Read.Schemas.Repositories;
-using Squidex.Domain.Apps.Read.Utils;
 using Squidex.Infrastructure;
 using Squidex.Infrastructure.CQRS.Events;
 using Squidex.Infrastructure.Tasks;

src/Squidex.Domain.Apps.Read/Rules/IRuleEntity.cs

@@ -0,0 +1,17 @@
+// ==========================================================================
+//  IRuleEntity.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using Squidex.Domain.Apps.Core.Rules;
+
+namespace Squidex.Domain.Apps.Read.Rules
+{
+    public interface IRuleEntity : IAppRefEntity, IEntityWithCreatedBy, IEntityWithLastModifiedBy, IEntityWithVersion
+    {
+        Rule Rule { get; }
+    }
+}

src/Squidex.Domain.Apps.Read/Webhooks/IWebhookEventEntity.cs → src/Squidex.Domain.Apps.Read/Rules/IRuleEventEntity.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  IWebhookEventEntity.cs
+//  IRuleEventEntity.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -7,18 +7,20 @@
 // ==========================================================================
 
 using NodaTime;
+using Squidex.Domain.Apps.Core.HandleRules;
+using Squidex.Domain.Apps.Core.Rules;
 
-namespace Squidex.Domain.Apps.Read.Webhooks
+namespace Squidex.Domain.Apps.Read.Rules
 {
-    public interface IWebhookEventEntity : IEntity
+    public interface IRuleEventEntity : IEntity
     {
-        WebhookJob Job { get; }
+        RuleJob Job { get; }
 
         Instant? NextAttempt { get; }
 
-        WebhookResult Result { get; }
+        RuleJobResult JobResult { get; }
 
-        WebhookJobResult JobResult { get; }
+        RuleResult Result { get; }
 
         int NumCalls { get; }
 

src/Squidex.Domain.Apps.Read/Rules/Repositories/IRuleEventRepository.cs

@@ -0,0 +1,37 @@
+// ==========================================================================
+//  IRuleEventRepository.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using NodaTime;
+using Squidex.Domain.Apps.Core.HandleRules;
+using Squidex.Domain.Apps.Core.Rules;
+
+namespace Squidex.Domain.Apps.Read.Rules.Repositories
+{
+    public interface IRuleEventRepository
+    {
+        Task EnqueueAsync(RuleJob job, Instant nextAttempt);
+
+        Task EnqueueAsync(Guid id, Instant nextAttempt);
+
+        Task MarkSendingAsync(Guid jobId);
+
+        Task MarkSentAsync(Guid jobId, string dump, RuleResult result, RuleJobResult jobResult, TimeSpan elapsed, Instant? nextCall);
+
+        Task QueryPendingAsync(Instant now, Func<IRuleEventEntity, Task> callback, CancellationToken cancellationToken = default(CancellationToken));
+
+        Task<int> CountByAppAsync(Guid appId);
+
+        Task<IReadOnlyList<IRuleEventEntity>> QueryByAppAsync(Guid appId, int skip = 0, int take = 20);
+
+        Task<IRuleEventEntity> FindAsync(Guid id);
+    }
+}

src/Squidex.Domain.Apps.Events/Webhooks/WebhookEditEvent.cs → src/Squidex.Domain.Apps.Read/Rules/Repositories/IRuleRepository.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  WebhookEditEvent.cs
+//  IRuleRepository.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -8,14 +8,14 @@
 
 using System;
 using System.Collections.Generic;
-using Squidex.Domain.Apps.Core.Webhooks;
+using System.Threading.Tasks;
 
-namespace Squidex.Domain.Apps.Events.Webhooks
+namespace Squidex.Domain.Apps.Read.Rules.Repositories
 {
-    public abstract class WebhookEditEvent : WebhookEvent
+    public interface IRuleRepository
     {
-        public Uri Url { get; set; }
+        Task<IReadOnlyList<IRuleEntity>> QueryByAppAsync(Guid appId);
 
-        public List<WebhookSchema> Schemas { get; set; }
+        Task<IReadOnlyList<IRuleEntity>> QueryCachedByAppAsync(Guid appId);
     }
 }

src/Squidex.Domain.Apps.Read/Webhooks/WebhookDequeuer.cs → src/Squidex.Domain.Apps.Read/Rules/RuleDequeuer.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  WebhookDequeuer.cs
+//  RuleDequeuer.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -11,50 +11,44 @@ using System.Threading;
 using System.Threading.Tasks;
 using System.Threading.Tasks.Dataflow;
 using NodaTime;
-using Squidex.Domain.Apps.Read.Webhooks.Repositories;
+using Squidex.Domain.Apps.Core.HandleRules;
+using Squidex.Domain.Apps.Read.Rules.Repositories;
 using Squidex.Infrastructure;
 using Squidex.Infrastructure.Log;
 using Squidex.Infrastructure.Timers;
 
-namespace Squidex.Domain.Apps.Read.Webhooks
+namespace Squidex.Domain.Apps.Read.Rules
 {
-    public sealed class WebhookDequeuer : DisposableObjectBase, IExternalSystem
+    public sealed class RuleDequeuer : DisposableObjectBase, IExternalSystem
     {
-        private readonly ActionBlock<IWebhookEventEntity> requestBlock;
-        private readonly TransformBlock<IWebhookEventEntity, IWebhookEventEntity> blockBlock;
-        private readonly IWebhookEventRepository webhookEventRepository;
-        private readonly IWebhookRepository webhookRepository;
-        private readonly WebhookSender webhookSender;
+        private readonly ActionBlock<IRuleEventEntity> requestBlock;
+        private readonly TransformBlock<IRuleEventEntity, IRuleEventEntity> blockBlock;
+        private readonly IRuleEventRepository ruleEventRepository;
+        private readonly RuleService ruleService;
         private readonly CompletionTimer timer;
-        private readonly ISemanticLog log;
         private readonly IClock clock;
+        private readonly ISemanticLog log;
 
-        public WebhookDequeuer(WebhookSender webhookSender,
-            IWebhookEventRepository webhookEventRepository,
-            IWebhookRepository webhookRepository,
-            IClock clock,
-            ISemanticLog log)
+        public RuleDequeuer(RuleService ruleService, IRuleEventRepository ruleEventRepository, ISemanticLog log, IClock clock)
         {
-            Guard.NotNull(webhookEventRepository, nameof(webhookEventRepository));
-            Guard.NotNull(webhookRepository, nameof(webhookRepository));
-            Guard.NotNull(webhookSender, nameof(webhookSender));
+            Guard.NotNull(ruleEventRepository, nameof(ruleEventRepository));
+            Guard.NotNull(ruleService, nameof(ruleService));
             Guard.NotNull(clock, nameof(clock));
             Guard.NotNull(log, nameof(log));
 
-            this.webhookEventRepository = webhookEventRepository;
-            this.webhookRepository = webhookRepository;
-            this.webhookSender = webhookSender;
+            this.ruleEventRepository = ruleEventRepository;
+            this.ruleService = ruleService;
 
             this.clock = clock;
 
             this.log = log;
 
             requestBlock =
-                new ActionBlock<IWebhookEventEntity>(MakeRequestAsync,
+                new ActionBlock<IRuleEventEntity>(MakeRequestAsync,
                     new ExecutionDataflowBlockOptions { MaxDegreeOfParallelism = 32, BoundedCapacity = 32 });
 
             blockBlock =
-                new TransformBlock<IWebhookEventEntity, IWebhookEventEntity>(x => BlockAsync(x),
+                new TransformBlock<IRuleEventEntity, IRuleEventEntity>(x => BlockAsync(x),
                     new ExecutionDataflowBlockOptions { MaxDegreeOfParallelism = 1, BoundedCapacity = 1 });
 
             blockBlock.LinkTo(requestBlock, new DataflowLinkOptions { PropagateCompletion = true });
@@ -86,7 +80,9 @@ namespace Squidex.Domain.Apps.Read.Webhooks
         {
             try
             {
-                await webhookEventRepository.QueryPendingAsync(blockBlock.SendAsync, cancellationToken);
+                var now = clock.GetCurrentInstant();
+
+                await ruleEventRepository.QueryPendingAsync(now, blockBlock.SendAsync, cancellationToken);
             }
             catch (Exception ex)
             {
@@ -96,11 +92,11 @@ namespace Squidex.Domain.Apps.Read.Webhooks
             }
         }
 
-        private async Task<IWebhookEventEntity> BlockAsync(IWebhookEventEntity @event)
+        private async Task<IRuleEventEntity> BlockAsync(IRuleEventEntity @event)
         {
             try
             {
-                await webhookEventRepository.TraceSendingAsync(@event.Id);
+                await ruleEventRepository.MarkSendingAsync(@event.Id);
 
                 return @event;
             }
@@ -114,38 +110,51 @@ namespace Squidex.Domain.Apps.Read.Webhooks
             }
         }
 
-        private async Task MakeRequestAsync(IWebhookEventEntity @event)
+        private async Task MakeRequestAsync(IRuleEventEntity @event)
         {
             try
             {
-                var response = await webhookSender.SendAsync(@event.Job);
+                var job = @event.Job;
+
+                var response = await ruleService.InvokeAsync(job.ActionName, job.ActionData);
 
                 Instant? nextCall = null;
 
-                if (response.Result != WebhookResult.Success)
+                if (response.Result != RuleResult.Success)
                 {
-                    var now = clock.GetCurrentInstant();
-
                     switch (@event.NumCalls)
                     {
                         case 0:
-                            nextCall = now.Plus(Duration.FromMinutes(5));
+                            nextCall = job.Created.Plus(Duration.FromMinutes(5));
                             break;
                         case 1:
-                            nextCall = now.Plus(Duration.FromHours(1));
+                            nextCall = job.Created.Plus(Duration.FromHours(1));
                             break;
                         case 2:
-                            nextCall = now.Plus(Duration.FromHours(5));
+                            nextCall = job.Created.Plus(Duration.FromHours(6));
                             break;
                         case 3:
-                            nextCall = now.Plus(Duration.FromHours(6));
+                            nextCall = job.Created.Plus(Duration.FromHours(12));
                             break;
                     }
                 }
 
-                await Task.WhenAll(
-                    webhookRepository.TraceSentAsync(@event.Job.WebhookId, response.Result, response.Elapsed),
-                    webhookEventRepository.TraceSentAsync(@event.Id, response.Dump, response.Result, response.Elapsed, nextCall));
+                RuleJobResult jobResult;
+
+                if (response.Result != RuleResult.Success && !nextCall.HasValue)
+                {
+                    jobResult = RuleJobResult.Failed;
+                }
+                else if (response.Result != RuleResult.Success && nextCall.HasValue)
+                {
+                    jobResult = RuleJobResult.Retry;
+                }
+                else
+                {
+                    jobResult = RuleJobResult.Success;
+                }
+
+                await ruleEventRepository.MarkSentAsync(@event.Id, response.Dump, response.Result, jobResult, response.Elapsed, nextCall);
             }
             catch (Exception ex)
             {

src/Squidex.Domain.Apps.Read/Rules/RuleEnqueuer.cs

@@ -0,0 +1,72 @@
+// ==========================================================================
+//  RuleEnqueuer.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.Threading.Tasks;
+using Squidex.Domain.Apps.Core.HandleRules;
+using Squidex.Domain.Apps.Events;
+using Squidex.Domain.Apps.Read.Rules.Repositories;
+using Squidex.Infrastructure;
+using Squidex.Infrastructure.CQRS.Events;
+using Squidex.Infrastructure.Tasks;
+
+namespace Squidex.Domain.Apps.Read.Rules
+{
+    public sealed class RuleEnqueuer : IEventConsumer
+    {
+        private readonly IRuleEventRepository ruleEventRepository;
+        private readonly IRuleRepository ruleRepository;
+        private readonly RuleService ruleService;
+
+        public string Name
+        {
+            get { return GetType().Name; }
+        }
+
+        public string EventsFilter
+        {
+            get { return ".*"; }
+        }
+
+        public RuleEnqueuer(
+            IRuleEventRepository ruleEventRepository,
+            IRuleRepository ruleRepository,
+            RuleService ruleService)
+        {
+            Guard.NotNull(ruleEventRepository, nameof(ruleEventRepository));
+            Guard.NotNull(ruleRepository, nameof(ruleRepository));
+            Guard.NotNull(ruleService, nameof(ruleService));
+
+            this.ruleEventRepository = ruleEventRepository;
+            this.ruleRepository = ruleRepository;
+            this.ruleService = ruleService;
+        }
+
+        public Task ClearAsync()
+        {
+            return TaskHelper.Done;
+        }
+
+        public async Task On(Envelope<IEvent> @event)
+        {
+            if (@event.Payload is AppEvent appEvent)
+            {
+                var rules = await ruleRepository.QueryCachedByAppAsync(appEvent.AppId.Id);
+
+                foreach (var ruleEntity in rules)
+                {
+                    var job = ruleService.CreateJob(ruleEntity.Rule, @event);
+
+                    if (job != null)
+                    {
+                        await ruleEventRepository.EnqueueAsync(job, job.Created);
+                    }
+                }
+            }
+        }
+    }
+}

src/Squidex.Domain.Apps.Read/Webhooks/WebhookJobResult.cs → src/Squidex.Domain.Apps.Read/Rules/RuleJobResult.cs

@@ -1,14 +1,14 @@
 // ==========================================================================
-//  WebhookJobResult.cs
+//  RuleJobResult.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
 //  All rights reserved.
 // ==========================================================================
 
-namespace Squidex.Domain.Apps.Read.Webhooks
+namespace Squidex.Domain.Apps.Read.Rules
 {
-    public enum WebhookJobResult
+    public enum RuleJobResult
     {
         Pending,
         Success,

src/Squidex.Domain.Apps.Read/Schemas/Services/Implementations/CachingSchemaProvider.cs

@@ -11,7 +11,6 @@ using System.Threading.Tasks;
 using Microsoft.Extensions.Caching.Memory;
 using Squidex.Domain.Apps.Events;
 using Squidex.Domain.Apps.Read.Schemas.Repositories;
-using Squidex.Domain.Apps.Read.Utils;
 using Squidex.Infrastructure;
 using Squidex.Infrastructure.Caching;
 using Squidex.Infrastructure.CQRS.Events;

src/Squidex.Domain.Apps.Read/Webhooks/IWebhookEntity.cs

@@ -1,31 +0,0 @@
-// ==========================================================================
-//  IWebhookEntity.cs
-//  Squidex Headless CMS
-// ==========================================================================
-//  Copyright (c) Squidex Group
-//  All rights reserved.
-// ==========================================================================
-
-using System;
-using System.Collections.Generic;
-using Squidex.Domain.Apps.Core.Webhooks;
-
-namespace Squidex.Domain.Apps.Read.Webhooks
-{
-    public interface IWebhookEntity : IAppRefEntity, IEntityWithCreatedBy, IEntityWithLastModifiedBy, IEntityWithVersion
-    {
-        Uri Url { get; }
-
-        long TotalSucceeded { get; }
-
-        long TotalFailed { get; }
-
-        long TotalTimedout { get; }
-
-        long TotalRequestTime { get; }
-
-        string SharedSecret { get; }
-
-        IEnumerable<WebhookSchema> Schemas { get; }
-    }
-}

src/Squidex.Domain.Apps.Read/Webhooks/Repositories/IWebhookEventRepository.cs

@@ -1,35 +0,0 @@
-// ==========================================================================
-//  IWebhookEventRepository.cs
-//  Squidex Headless CMS
-// ==========================================================================
-//  Copyright (c) Squidex Group
-//  All rights reserved.
-// ==========================================================================
-
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using NodaTime;
-
-namespace Squidex.Domain.Apps.Read.Webhooks.Repositories
-{
-    public interface IWebhookEventRepository
-    {
-        Task EnqueueAsync(WebhookJob job, Instant nextAttempt);
-
-        Task EnqueueAsync(Guid id, Instant nextAttempt);
-
-        Task TraceSendingAsync(Guid jobId);
-
-        Task TraceSentAsync(Guid jobId, string dump, WebhookResult result, TimeSpan elapsed, Instant? nextCall);
-
-        Task QueryPendingAsync(Func<IWebhookEventEntity, Task> callback, CancellationToken cancellationToken = default(CancellationToken));
-
-        Task<int> CountByAppAsync(Guid appId);
-
-        Task<IReadOnlyList<IWebhookEventEntity>> QueryByAppAsync(Guid appId, int skip = 0, int take = 20);
-
-        Task<IWebhookEventEntity> FindAsync(Guid id);
-    }
-}

src/Squidex.Domain.Apps.Read/Webhooks/Repositories/IWebhookRepository.cs

@@ -1,23 +0,0 @@
-// ==========================================================================
-//  ISchemaWebhookRepository.cs
-//  Squidex Headless CMS
-// ==========================================================================
-//  Copyright (c) Squidex Group
-//  All rights reserved.
-// ==========================================================================
-
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-
-namespace Squidex.Domain.Apps.Read.Webhooks.Repositories
-{
-    public interface IWebhookRepository
-    {
-        Task TraceSentAsync(Guid webhookId, WebhookResult result, TimeSpan elapsed);
-
-        Task<IReadOnlyList<IWebhookEntity>> QueryByAppAsync(Guid appId);
-
-        Task<IReadOnlyList<IWebhookEntity>> QueryCachedByAppAsync(Guid appId);
-    }
-}

src/Squidex.Domain.Apps.Read/Webhooks/WebhookEnqueuer.cs

@@ -1,140 +0,0 @@
-// ==========================================================================
-//  WebhookEnqueuer.cs
-//  Squidex Headless CMS
-// ==========================================================================
-//  Copyright (c) Squidex Group
-//  All rights reserved.
-// ==========================================================================
-
-using System;
-using System.Linq;
-using System.Threading.Tasks;
-using Newtonsoft.Json;
-using Newtonsoft.Json.Linq;
-using NodaTime;
-using Squidex.Domain.Apps.Core.Contents;
-using Squidex.Domain.Apps.Core.Webhooks;
-using Squidex.Domain.Apps.Events;
-using Squidex.Domain.Apps.Events.Contents;
-using Squidex.Domain.Apps.Read.Webhooks.Repositories;
-using Squidex.Infrastructure;
-using Squidex.Infrastructure.CQRS.Events;
-using Squidex.Infrastructure.Tasks;
-
-namespace Squidex.Domain.Apps.Read.Webhooks
-{
-    public sealed class WebhookEnqueuer : IEventConsumer
-    {
-        private const string ContentPrefix = "Content";
-        private static readonly Duration ExpirationTime = Duration.FromDays(2);
-        private readonly IWebhookEventRepository webhookEventRepository;
-        private readonly IWebhookRepository webhookRepository;
-        private readonly IClock clock;
-        private readonly TypeNameRegistry typeNameRegistry;
-        private readonly JsonSerializer webhookSerializer;
-
-        public string Name
-        {
-            get { return GetType().Name; }
-        }
-
-        public string EventsFilter
-        {
-            get { return "^content-"; }
-        }
-
-        public WebhookEnqueuer(TypeNameRegistry typeNameRegistry,
-            IWebhookEventRepository webhookEventRepository,
-            IWebhookRepository webhookRepository,
-            IClock clock,
-            JsonSerializer webhookSerializer)
-        {
-            Guard.NotNull(webhookEventRepository, nameof(webhookEventRepository));
-            Guard.NotNull(webhookSerializer, nameof(webhookSerializer));
-            Guard.NotNull(webhookRepository, nameof(webhookRepository));
-            Guard.NotNull(typeNameRegistry, nameof(typeNameRegistry));
-            Guard.NotNull(clock, nameof(clock));
-
-            this.webhookEventRepository = webhookEventRepository;
-            this.webhookSerializer = webhookSerializer;
-            this.webhookRepository = webhookRepository;
-
-            this.clock = clock;
-
-            this.typeNameRegistry = typeNameRegistry;
-        }
-
-        public Task ClearAsync()
-        {
-            return TaskHelper.Done;
-        }
-
-        public async Task On(Envelope<IEvent> @event)
-        {
-            if (@event.Payload is ContentEvent contentEvent)
-            {
-                var eventType = typeNameRegistry.GetName(@event.Payload.GetType());
-
-                var webhooks = await webhookRepository.QueryCachedByAppAsync(contentEvent.AppId.Id);
-
-                var matchingWebhooks = webhooks.Where(w => w.Schemas.Any(s => Matchs(s, contentEvent))).ToList();
-
-                if (matchingWebhooks.Count > 0)
-                {
-                    var now = clock.GetCurrentInstant();
-
-                    var eventPayload = CreatePayload(@event, eventType);
-                    var eventName = $"{contentEvent.SchemaId.Name.ToPascalCase()}{CreateContentEventName(eventType)}";
-
-                    foreach (var webhook in matchingWebhooks)
-                    {
-                        await EnqueueJobAsync(eventPayload, webhook, contentEvent, eventName, now);
-                    }
-                }
-            }
-        }
-
-        private async Task EnqueueJobAsync(string payload, IWebhookEntity webhook, AppEvent contentEvent, string eventName, Instant now)
-        {
-            var signature = $"{payload}{webhook.SharedSecret}".Sha256Base64();
-
-            var job = new WebhookJob
-            {
-                Id = Guid.NewGuid(),
-                AppId = contentEvent.AppId.Id,
-                RequestUrl = webhook.Url,
-                RequestBody = payload,
-                RequestSignature = signature,
-                EventName = eventName,
-                Expires = now.Plus(ExpirationTime),
-                WebhookId = webhook.Id
-            };
-
-            await webhookEventRepository.EnqueueAsync(job, now);
-        }
-
-        private static bool Matchs(WebhookSchema webhookSchema, SchemaEvent @event)
-        {
-            return
-                (@event.SchemaId.Id == webhookSchema.SchemaId) &&
-                (webhookSchema.SendCreate && @event is ContentCreated ||
-                 webhookSchema.SendUpdate && @event is ContentUpdated ||
-                 webhookSchema.SendDelete && @event is ContentDeleted ||
-                 webhookSchema.SendPublish && @event is ContentStatusChanged statusChanged && statusChanged.Status == Status.Published);
-        }
-
-        private string CreatePayload(Envelope<IEvent> @event, string eventType)
-        {
-            return new JObject(
-                new JProperty("type", eventType),
-                new JProperty("payload", JObject.FromObject(@event.Payload, webhookSerializer)),
-                new JProperty("timestamp", @event.Headers.Timestamp().ToString()))
-                .ToString(Formatting.Indented);
-        }
-
-        private static string CreateContentEventName(string eventType)
-        {
-            return eventType.StartsWith(ContentPrefix, StringComparison.Ordinal) ? eventType.Substring(ContentPrefix.Length) : eventType;
-        }
-    }
-}

src/Squidex.Domain.Apps.Read/Webhooks/WebhookSender.cs

@@ -1,98 +0,0 @@
-// ==========================================================================
-//  WebhookSender.cs
-//  Squidex Headless CMS
-// ==========================================================================
-//  Copyright (c) Squidex Group
-//  All rights reserved.
-// ==========================================================================
-
-using System;
-using System.Diagnostics;
-using System.Net.Http;
-using System.Text;
-using System.Threading.Tasks;
-using Squidex.Infrastructure.Http;
-
-namespace Squidex.Domain.Apps.Read.Webhooks
-{
-    public class WebhookSender
-    {
-        private static readonly TimeSpan Timeout = TimeSpan.FromSeconds(2);
-
-        public virtual async Task<(string Dump, WebhookResult Result, TimeSpan Elapsed)> SendAsync(WebhookJob job)
-        {
-            try
-            {
-                var request = BuildRequest(job);
-                HttpResponseMessage response = null;
-
-                var responseString = string.Empty;
-
-                var isTimeout = false;
-
-                var watch = Stopwatch.StartNew();
-
-                try
-                {
-                    using (var client = new HttpClient { Timeout = Timeout })
-                    {
-                        response = await client.SendAsync(request);
-                    }
-                }
-                catch (TimeoutException)
-                {
-                    isTimeout = true;
-                }
-                catch (OperationCanceledException)
-                {
-                    isTimeout = true;
-                }
-                catch (Exception ex)
-                {
-                    responseString = ex.Message;
-                }
-                finally
-                {
-                    watch.Stop();
-                }
-
-                if (response != null)
-                {
-                    responseString = await response.Content.ReadAsStringAsync();
-                }
-
-                var dump = DumpFormatter.BuildDump(request, response, job.RequestBody, responseString, watch.Elapsed, isTimeout);
-
-                var result = WebhookResult.Failed;
-
-                if (isTimeout)
-                {
-                    result = WebhookResult.Timeout;
-                }
-                else if (response?.IsSuccessStatusCode == true)
-                {
-                    result = WebhookResult.Success;
-                }
-
-                return (dump, result, watch.Elapsed);
-            }
-            catch (Exception ex)
-            {
-                return (ex.Message, WebhookResult.Failed, TimeSpan.Zero);
-            }
-        }
-
-        private static HttpRequestMessage BuildRequest(WebhookJob job)
-        {
-            var request = new HttpRequestMessage(HttpMethod.Post, job.RequestUrl)
-            {
-                Content = new StringContent(job.RequestBody, Encoding.UTF8, "application/json")
-            };
-
-            request.Headers.Add("X-Signature", job.RequestSignature);
-            request.Headers.Add("User-Agent", "Squidex Webhook");
-
-            return request;
-        }
-    }
-}

src/Squidex.Domain.Apps.Write/Rules/Commands/CreateRule.cs

@@ -0,0 +1,20 @@
+// ==========================================================================
+//  CreateRule.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+
+namespace Squidex.Domain.Apps.Write.Rules.Commands
+{
+    public sealed class CreateRule : RuleEditCommand
+    {
+        public CreateRule()
+        {
+            RuleId = Guid.NewGuid();
+        }
+    }
+}

src/Squidex.Domain.Apps.Write/Rules/Commands/DeleteRule.cs

@@ -0,0 +1,14 @@
+// ==========================================================================
+//  DeleteRule.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+namespace Squidex.Domain.Apps.Write.Rules.Commands
+{
+    public sealed class DeleteRule : RuleAggregateCommand
+    {
+    }
+}

src/Squidex.Domain.Apps.Write/Rules/Commands/DisableRule.cs

@@ -0,0 +1,14 @@
+// ==========================================================================
+//  DisableRule.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+namespace Squidex.Domain.Apps.Write.Rules.Commands
+{
+    public sealed class DisableRule : RuleAggregateCommand
+    {
+    }
+}

src/Squidex.Domain.Apps.Write/Rules/Commands/EnableRule.cs

@@ -0,0 +1,14 @@
+// ==========================================================================
+//  EnableRule.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+namespace Squidex.Domain.Apps.Write.Rules.Commands
+{
+    public sealed class EnableRule : RuleAggregateCommand
+    {
+    }
+}

src/Squidex.Domain.Apps.Write/Webhooks/Commands/WebhookAggregateCommand.cs → src/Squidex.Domain.Apps.Write/Rules/Commands/RuleAggregateCommand.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  WebhookAggregateCommand.cs
+//  RuleAggregateCommand.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -9,15 +9,15 @@
 using System;
 using Squidex.Infrastructure.CQRS.Commands;
 
-namespace Squidex.Domain.Apps.Write.Webhooks.Commands
+namespace Squidex.Domain.Apps.Write.Rules.Commands
 {
-    public abstract class WebhookAggregateCommand : AppCommand, IAggregateCommand
+    public abstract class RuleAggregateCommand : AppCommand, IAggregateCommand
     {
-        public Guid WebhookId { get; set; }
+        public Guid RuleId { get; set; }
 
         Guid IAggregateCommand.AggregateId
         {
-            get { return WebhookId; }
+            get { return RuleId; }
         }
     }
 }

src/Squidex.Domain.Apps.Write/Rules/Commands/RuleEditCommand.cs

@@ -0,0 +1,19 @@
+// ==========================================================================
+//  RuleEditCommand.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using Squidex.Domain.Apps.Core.Rules;
+
+namespace Squidex.Domain.Apps.Write.Rules.Commands
+{
+    public abstract class RuleEditCommand : RuleAggregateCommand
+    {
+        public RuleTrigger Trigger { get; set; }
+
+        public RuleAction Action { get; set; }
+    }
+}

src/Squidex.Domain.Apps.Write/Rules/Commands/UpdateRule.cs

@@ -0,0 +1,14 @@
+// ==========================================================================
+//  UpdateRule.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+namespace Squidex.Domain.Apps.Write.Rules.Commands
+{
+    public sealed class UpdateRule : RuleEditCommand
+    {
+    }
+}

src/Squidex.Domain.Apps.Write/Rules/Guards/GuardRule.cs

@@ -0,0 +1,107 @@
+// ==========================================================================
+//  GuardRule.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.Threading.Tasks;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Read.Schemas.Services;
+using Squidex.Domain.Apps.Write.Rules.Commands;
+using Squidex.Infrastructure;
+
+namespace Squidex.Domain.Apps.Write.Rules.Guards
+{
+    public static class GuardRule
+    {
+        public static Task CanCreate(CreateRule command, ISchemaProvider schemas)
+        {
+            Guard.NotNull(command, nameof(command));
+
+            return Validate.It(() => "Cannot create rule.", async error =>
+            {
+                if (command.Trigger == null)
+                {
+                    error(new ValidationError("Trigger must be defined.", nameof(command.Trigger)));
+                }
+                else
+                {
+                    var errors = await RuleTriggerValidator.ValidateAsync(command.Trigger, schemas);
+
+                    errors.Foreach(error);
+                }
+
+                if (command.Action == null)
+                {
+                    error(new ValidationError("Trigger must be defined.", nameof(command.Action)));
+                }
+                else
+                {
+                    var errors = await RuleActionValidator.ValidateAsync(command.Action);
+
+                    errors.Foreach(error);
+                }
+            });
+        }
+
+        public static Task CanUpdate(UpdateRule command, ISchemaProvider schemas)
+        {
+            Guard.NotNull(command, nameof(command));
+
+            return Validate.It(() => "Cannot update rule.", async error =>
+            {
+                if (command.Trigger == null && command.Action == null)
+                {
+                    error(new ValidationError("Either trigger or action must be defined.", nameof(command.Trigger), nameof(command.Action)));
+                }
+
+                if (command.Trigger != null)
+                {
+                    var errors = await RuleTriggerValidator.ValidateAsync(command.Trigger, schemas);
+
+                    errors.Foreach(error);
+                }
+
+                if (command.Action != null)
+                {
+                    var errors = await RuleActionValidator.ValidateAsync(command.Action);
+
+                    errors.Foreach(error);
+                }
+            });
+        }
+
+        public static void CanEnable(EnableRule command, Rule rule)
+        {
+            Guard.NotNull(command, nameof(command));
+
+            Validate.It(() => "Cannot enable rule.", error =>
+            {
+                if (rule.IsEnabled)
+                {
+                    error(new ValidationError("Rule is already enabled."));
+                }
+            });
+        }
+
+        public static void CanDisable(DisableRule command, Rule rule)
+        {
+            Guard.NotNull(command, nameof(command));
+
+            Validate.It(() => "Cannot disable rule.", error =>
+            {
+                if (!rule.IsEnabled)
+                {
+                    error(new ValidationError("Rule is already disabled."));
+                }
+            });
+        }
+
+        public static void CanDelete(DeleteRule command)
+        {
+            Guard.NotNull(command, nameof(command));
+        }
+    }
+}

src/Squidex.Domain.Apps.Write/Rules/Guards/RuleActionValidator.cs

@@ -0,0 +1,40 @@
+// ==========================================================================
+//  RuleActionValidator.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Core.Rules.Actions;
+using Squidex.Infrastructure;
+
+namespace Squidex.Domain.Apps.Write.Rules.Guards
+{
+    public sealed class RuleActionValidator : IRuleActionVisitor<Task<IEnumerable<ValidationError>>>
+    {
+        public static Task<IEnumerable<ValidationError>> ValidateAsync(RuleAction action)
+        {
+            Guard.NotNull(action, nameof(action));
+
+            var visitor = new RuleActionValidator();
+
+            return action.Accept(visitor);
+        }
+
+        public Task<IEnumerable<ValidationError>> Visit(WebhookAction action)
+        {
+            var errors = new List<ValidationError>();
+
+            if (action.Url == null || !action.Url.IsAbsoluteUri)
+            {
+                errors.Add(new ValidationError("Url must be specified and absolute.", nameof(action.Url)));
+            }
+
+            return Task.FromResult<IEnumerable<ValidationError>>(errors);
+        }
+    }
+}

src/Squidex.Domain.Apps.Write/Rules/Guards/RuleTriggerValidator.cs

@@ -0,0 +1,54 @@
+// ==========================================================================
+//  RuleTriggerValidator.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Core.Rules.Triggers;
+using Squidex.Domain.Apps.Read.Schemas.Services;
+using Squidex.Infrastructure;
+
+namespace Squidex.Domain.Apps.Write.Rules.Guards
+{
+    public sealed class RuleTriggerValidator : IRuleTriggerVisitor<Task<IEnumerable<ValidationError>>>
+    {
+        public ISchemaProvider Schemas { get; }
+
+        public RuleTriggerValidator(ISchemaProvider schemas)
+        {
+            Schemas = schemas;
+        }
+
+        public static Task<IEnumerable<ValidationError>> ValidateAsync(RuleTrigger action, ISchemaProvider schemas)
+        {
+            Guard.NotNull(action, nameof(action));
+            Guard.NotNull(schemas, nameof(schemas));
+
+            var visitor = new RuleTriggerValidator(schemas);
+
+            return action.Accept(visitor);
+        }
+
+        public async Task<IEnumerable<ValidationError>> Visit(ContentChangedTrigger trigger)
+        {
+            if (trigger.Schemas != null)
+            {
+                var schemaErrors = await Task.WhenAll(
+                    trigger.Schemas.Select(async s =>
+                        await Schemas.FindSchemaByIdAsync(s.SchemaId) == null
+                            ? new ValidationError($"Schema {s.SchemaId} does not exist.", nameof(trigger.Schemas))
+                            : null));
+
+                return schemaErrors.Where(x => x != null).ToList();
+            }
+
+            return new List<ValidationError>();
+        }
+    }
+}

src/Squidex.Domain.Apps.Write/Rules/RuleCommandMiddleware.cs

@@ -0,0 +1,92 @@
+// ==========================================================================
+//  RuleCommandMiddleware.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using System.Threading.Tasks;
+using Squidex.Domain.Apps.Read.Schemas.Services;
+using Squidex.Domain.Apps.Write.Rules.Commands;
+using Squidex.Domain.Apps.Write.Rules.Guards;
+using Squidex.Infrastructure;
+using Squidex.Infrastructure.CQRS.Commands;
+using Squidex.Infrastructure.Dispatching;
+
+namespace Squidex.Domain.Apps.Write.Rules
+{
+    public class RuleCommandMiddleware : ICommandMiddleware
+    {
+        private readonly IAggregateHandler handler;
+        private readonly ISchemaProvider schemas;
+
+        public RuleCommandMiddleware(IAggregateHandler handler, ISchemaProvider schemas)
+        {
+            Guard.NotNull(handler, nameof(handler));
+            Guard.NotNull(schemas, nameof(schemas));
+
+            this.handler = handler;
+            this.schemas = schemas;
+        }
+
+        protected Task On(CreateRule command, CommandContext context)
+        {
+            return handler.CreateAsync<RuleDomainObject>(context, async w =>
+            {
+                await GuardRule.CanCreate(command, schemas);
+
+                w.Create(command);
+            });
+        }
+
+        protected Task On(UpdateRule command, CommandContext context)
+        {
+            return handler.UpdateAsync<RuleDomainObject>(context, async c =>
+            {
+                await GuardRule.CanUpdate(command, schemas);
+
+                c.Update(command);
+            });
+        }
+
+        protected Task On(EnableRule command, CommandContext context)
+        {
+            return handler.UpdateAsync<RuleDomainObject>(context, r =>
+            {
+                GuardRule.CanEnable(command, r.Rule);
+
+                r.Enable(command);
+            });
+        }
+
+        protected Task On(DisableRule command, CommandContext context)
+        {
+            return handler.UpdateAsync<RuleDomainObject>(context, r =>
+            {
+                GuardRule.CanDisable(command, r.Rule);
+
+                r.Disable(command);
+            });
+        }
+
+        protected Task On(DeleteRule command, CommandContext context)
+        {
+            return handler.UpdateAsync<RuleDomainObject>(context, c =>
+            {
+                GuardRule.CanDelete(command);
+
+                c.Delete(command);
+            });
+        }
+
+        public async Task HandleAsync(CommandContext context, Func<Task> next)
+        {
+            if (!await this.DispatchActionAsync(context.Command, context))
+            {
+                await next();
+            }
+        }
+    }
+}

src/Squidex.Domain.Apps.Write/Rules/RuleDomainObject.cs

@@ -0,0 +1,118 @@
+// ==========================================================================
+//  RuleDomainObject.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Events.Rules;
+using Squidex.Domain.Apps.Events.Rules.Utils;
+using Squidex.Domain.Apps.Write.Rules.Commands;
+using Squidex.Infrastructure;
+using Squidex.Infrastructure.CQRS;
+using Squidex.Infrastructure.CQRS.Events;
+using Squidex.Infrastructure.Dispatching;
+using Squidex.Infrastructure.Reflection;
+
+namespace Squidex.Domain.Apps.Write.Rules
+{
+    public class RuleDomainObject : DomainObjectBase
+    {
+        private Rule rule;
+        private bool isDeleted;
+
+        public Rule Rule
+        {
+            get { return rule; }
+        }
+
+        public RuleDomainObject(Guid id, int version)
+            : base(id, version)
+        {
+        }
+
+        protected void On(RuleCreated @event)
+        {
+            rule = RuleEventDispatcher.Create(@event);
+        }
+
+        protected void On(RuleUpdated @event)
+        {
+            rule.Apply(@event);
+        }
+
+        protected void On(RuleEnabled @event)
+        {
+            rule.Apply(@event);
+        }
+
+        protected void On(RuleDisabled @event)
+        {
+            rule.Apply(@event);
+        }
+
+        protected void On(RuleDeleted @event)
+        {
+            isDeleted = true;
+        }
+
+        public void Create(CreateRule command)
+        {
+            VerifyNotCreated();
+
+            RaiseEvent(SimpleMapper.Map(command, new RuleCreated()));
+        }
+
+        public void Update(UpdateRule command)
+        {
+            VerifyCreatedAndNotDeleted();
+
+            RaiseEvent(SimpleMapper.Map(command, new RuleUpdated()));
+        }
+
+        public void Enable(EnableRule command)
+        {
+            VerifyCreatedAndNotDeleted();
+
+            RaiseEvent(SimpleMapper.Map(command, new RuleEnabled()));
+        }
+
+        public void Disable(DisableRule command)
+        {
+            VerifyCreatedAndNotDeleted();
+
+            RaiseEvent(SimpleMapper.Map(command, new RuleDisabled()));
+        }
+
+        public void Delete(DeleteRule command)
+        {
+            VerifyCreatedAndNotDeleted();
+
+            RaiseEvent(SimpleMapper.Map(command, new RuleDeleted()));
+        }
+
+        private void VerifyNotCreated()
+        {
+            if (rule != null)
+            {
+                throw new DomainException("Webhook has already been created.");
+            }
+        }
+
+        private void VerifyCreatedAndNotDeleted()
+        {
+            if (isDeleted || rule == null)
+            {
+                throw new DomainException("Webhook has already been deleted or not created yet.");
+            }
+        }
+
+        protected override void DispatchEvent(Envelope<IEvent> @event)
+        {
+            this.DispatchAction(@event.Payload);
+        }
+    }
+}

src/Squidex.Domain.Apps.Write/Webhooks/Commands/WebhookEditCommand.cs

@@ -1,21 +0,0 @@
-// ==========================================================================
-//  WebhookEditCommand.cs
-//  Squidex Headless CMS
-// ==========================================================================
-//  Copyright (c) Squidex Group
-//  All rights reserved.
-// ==========================================================================
-
-using System;
-using System.Collections.Generic;
-using Squidex.Domain.Apps.Core.Webhooks;
-
-namespace Squidex.Domain.Apps.Write.Webhooks.Commands
-{
-    public abstract class WebhookEditCommand : WebhookAggregateCommand
-    {
-        public Uri Url { get; set; }
-
-        public List<WebhookSchema> Schemas { get; set; } = new List<WebhookSchema>();
-    }
-}

src/Squidex.Domain.Apps.Write/Webhooks/Guards/GuardWebhook.cs

@@ -1,61 +0,0 @@
-// ==========================================================================
-//  GuardWebhook.cs
-//  Squidex Headless CMS
-// ==========================================================================
-//  Copyright (c) Squidex Group
-//  All rights reserved.
-// ==========================================================================
-
-using System;
-using System.Linq;
-using System.Threading.Tasks;
-using Squidex.Domain.Apps.Read.Schemas.Services;
-using Squidex.Domain.Apps.Write.Webhooks.Commands;
-using Squidex.Infrastructure;
-
-namespace Squidex.Domain.Apps.Write.Webhooks.Guards
-{
-    public static class GuardWebhook
-    {
-        public static Task CanCreate(CreateWebhook command, ISchemaProvider schemas)
-        {
-            Guard.NotNull(command, nameof(command));
-
-            return Validate.It(() => "Cannot create webhook.", error => ValidateCommandAsync(command, error, schemas));
-        }
-
-        public static Task CanUpdate(UpdateWebhook command, ISchemaProvider schemas)
-        {
-            Guard.NotNull(command, nameof(command));
-
-            return Validate.It(() => "Cannot update webhook.", error => ValidateCommandAsync(command, error, schemas));
-        }
-
-        public static void CanDelete(DeleteWebhook command)
-        {
-            Guard.NotNull(command, nameof(command));
-        }
-
-        private static async Task ValidateCommandAsync(WebhookEditCommand command, Action<ValidationError> error, ISchemaProvider schemas)
-        {
-            if (command.Url == null || !command.Url.IsAbsoluteUri)
-            {
-                error(new ValidationError("Url must be specified and absolute.", nameof(command.Url)));
-            }
-
-            if (command.Schemas != null)
-            {
-                var schemaErrors = await Task.WhenAll(
-                    command.Schemas.Select(async s =>
-                        await schemas.FindSchemaByIdAsync(s.SchemaId) == null
-                            ? new ValidationError($"Schema {s.SchemaId} does not exist.", nameof(command.Schemas))
-                            : null));
-
-                foreach (var schemaError in schemaErrors.Where(x => x != null))
-                {
-                    error(schemaError);
-                }
-            }
-        }
-    }
-}

src/Squidex.Domain.Apps.Write/Webhooks/WebhookCommandMiddleware.cs

@@ -1,72 +0,0 @@
-// ==========================================================================
-//  WebhookCommandMiddleware.cs
-//  Squidex Headless CMS
-// ==========================================================================
-//  Copyright (c) Squidex Group
-//  All rights reserved.
-// ==========================================================================
-
-using System;
-using System.Threading.Tasks;
-using Squidex.Domain.Apps.Read.Schemas.Services;
-using Squidex.Domain.Apps.Write.Webhooks.Commands;
-using Squidex.Domain.Apps.Write.Webhooks.Guards;
-using Squidex.Infrastructure;
-using Squidex.Infrastructure.CQRS.Commands;
-using Squidex.Infrastructure.Dispatching;
-
-namespace Squidex.Domain.Apps.Write.Webhooks
-{
-    public class WebhookCommandMiddleware : ICommandMiddleware
-    {
-        private readonly IAggregateHandler handler;
-        private readonly ISchemaProvider schemas;
-
-        public WebhookCommandMiddleware(IAggregateHandler handler, ISchemaProvider schemas)
-        {
-            Guard.NotNull(handler, nameof(handler));
-            Guard.NotNull(schemas, nameof(schemas));
-
-            this.handler = handler;
-            this.schemas = schemas;
-        }
-
-        protected async Task On(CreateWebhook command, CommandContext context)
-        {
-            await handler.CreateAsync<WebhookDomainObject>(context, async w =>
-            {
-                await GuardWebhook.CanCreate(command, schemas);
-
-                w.Create(command);
-            });
-        }
-
-        protected async Task On(UpdateWebhook command, CommandContext context)
-        {
-            await handler.UpdateAsync<WebhookDomainObject>(context, async c =>
-            {
-                await GuardWebhook.CanUpdate(command, schemas);
-
-                c.Update(command);
-            });
-        }
-
-        protected Task On(DeleteWebhook command, CommandContext context)
-        {
-            return handler.UpdateAsync<WebhookDomainObject>(context, c =>
-            {
-                GuardWebhook.CanDelete(command);
-
-                c.Delete(command);
-            });
-        }
-
-        public async Task HandleAsync(CommandContext context, Func<Task> next)
-        {
-            if (!await this.DispatchActionAsync(context.Command, context))
-            {
-                await next();
-            }
-        }
-    }
-}

src/Squidex.Domain.Apps.Write/Webhooks/WebhookDomainObject.cs

@@ -1,82 +0,0 @@
-// ==========================================================================
-//  WebhookDomainObject.cs
-//  Squidex Headless CMS
-// ==========================================================================
-//  Copyright (c) Squidex Group
-//  All rights reserved.
-// ==========================================================================
-
-using System;
-using Squidex.Domain.Apps.Events.Webhooks;
-using Squidex.Domain.Apps.Write.Webhooks.Commands;
-using Squidex.Infrastructure;
-using Squidex.Infrastructure.CQRS;
-using Squidex.Infrastructure.CQRS.Events;
-using Squidex.Infrastructure.Dispatching;
-using Squidex.Infrastructure.Reflection;
-
-namespace Squidex.Domain.Apps.Write.Webhooks
-{
-    public class WebhookDomainObject : DomainObjectBase
-    {
-        private bool isDeleted;
-        private bool isCreated;
-
-        public WebhookDomainObject(Guid id, int version)
-            : base(id, version)
-        {
-        }
-
-        protected void On(WebhookCreated @event)
-        {
-            isCreated = true;
-        }
-
-        protected void On(WebhookDeleted @event)
-        {
-            isDeleted = true;
-        }
-
-        public void Create(CreateWebhook command)
-        {
-            VerifyNotCreated();
-
-            RaiseEvent(SimpleMapper.Map(command, new WebhookCreated()));
-        }
-
-        public void Update(UpdateWebhook command)
-        {
-            VerifyCreatedAndNotDeleted();
-
-            RaiseEvent(SimpleMapper.Map(command, new WebhookUpdated()));
-        }
-
-        public void Delete(DeleteWebhook command)
-        {
-            VerifyCreatedAndNotDeleted();
-
-            RaiseEvent(SimpleMapper.Map(command, new WebhookDeleted()));
-        }
-
-        private void VerifyNotCreated()
-        {
-            if (isCreated)
-            {
-                throw new DomainException("Webhook has already been created.");
-            }
-        }
-
-        private void VerifyCreatedAndNotDeleted()
-        {
-            if (isDeleted || !isCreated)
-            {
-                throw new DomainException("Webhook has already been deleted or not created yet.");
-            }
-        }
-
-        protected override void DispatchEvent(Envelope<IEvent> @event)
-        {
-            this.DispatchAction(@event.Payload);
-        }
-    }
-}

src/Squidex.Infrastructure/Dispatching/ActionContextDispatcher.cs

@@ -10,9 +10,11 @@ using System;
 using System.Linq;
 using System.Reflection;
 
+#pragma warning disable IDE0033 // Use explicitly provided tuple name
+
 namespace Squidex.Infrastructure.Dispatching
 {
-    public sealed class ActionContextDispatcher<TTarget, TIn, TContext>
+    public static class ActionContextDispatcher<TTarget, TIn, TContext>
     {
         public delegate void ActionContextDelegate<in T>(TTarget target, T input, TContext context) where T : TIn;
 

src/Squidex.Infrastructure/Dispatching/ActionDispatcher.cs

@@ -10,9 +10,11 @@ using System;
 using System.Linq;
 using System.Reflection;
 
+#pragma warning disable IDE0033 // Use explicitly provided tuple name
+
 namespace Squidex.Infrastructure.Dispatching
 {
-    public sealed class ActionDispatcher<TTarget, TIn>
+    public static class ActionDispatcher<TTarget, TIn>
     {
         public delegate void ActionDelegate<in T>(TTarget target, T input) where T : TIn;
 

src/Squidex.Infrastructure/Dispatching/FuncContextDispatcher.cs

@@ -9,9 +9,11 @@
 using System.Linq;
 using System.Reflection;
 
+#pragma warning disable IDE0033 // Use explicitly provided tuple name
+
 namespace Squidex.Infrastructure.Dispatching
 {
-    public sealed class FuncContextDispatcher<TTarget, TIn, TContext, TOut>
+    public static class FuncContextDispatcher<TTarget, TIn, TContext, TOut>
     {
         public delegate TOut FuncContextDelegate<in T>(TTarget target, T input, TContext context) where T : TIn;
 

src/Squidex.Infrastructure/Dispatching/FuncDispatcher.cs

@@ -9,9 +9,11 @@
 using System.Linq;
 using System.Reflection;
 
+#pragma warning disable IDE0033 // Use explicitly provided tuple name
+
 namespace Squidex.Infrastructure.Dispatching
 {
-    public sealed class FuncDispatcher<TTarget, TIn, TOut>
+    public static class FuncDispatcher<TTarget, TIn, TOut>
     {
         public delegate TOut FuncDelegate<in T>(TTarget target, T input) where T : TIn;
 

src/Squidex.Infrastructure/SquidexInfrastructure.cs

@@ -0,0 +1,14 @@
+// ==========================================================================
+//  SquidexInfrastructure.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+namespace Squidex.Infrastructure
+{
+    public static class SquidexInfrastructure
+    {
+    }
+}

src/Squidex.Infrastructure/TypeNameRegistry.cs

@@ -17,20 +17,6 @@ namespace Squidex.Infrastructure
         private readonly Dictionary<Type, string> namesByType = new Dictionary<Type, string>();
         private readonly Dictionary<string, Type> typesByName = new Dictionary<string, Type>(StringComparer.OrdinalIgnoreCase);
 
-        public TypeNameRegistry Map(Type type)
-        {
-            Guard.NotNull(type, nameof(type));
-
-            var typeNameAttribute = type.GetTypeInfo().GetCustomAttribute<TypeNameAttribute>();
-
-            if (typeNameAttribute != null)
-            {
-                Map(type, typeNameAttribute.TypeName);
-            }
-
-            return this;
-        }
-
         public TypeNameRegistry MapObsolete(Type type, string name)
         {
             Guard.NotNull(type, nameof(type));
@@ -56,6 +42,20 @@ namespace Squidex.Infrastructure
             return this;
         }
 
+        public TypeNameRegistry Map(Type type)
+        {
+            Guard.NotNull(type, nameof(type));
+
+            var typeNameAttribute = type.GetTypeInfo().GetCustomAttribute<TypeNameAttribute>();
+
+            if (!string.IsNullOrWhiteSpace(typeNameAttribute?.TypeName))
+            {
+                Map(type, typeNameAttribute.TypeName);
+            }
+
+            return this;
+        }
+
         public TypeNameRegistry Map(Type type, string name)
         {
             Guard.NotNull(type, nameof(type));
@@ -95,15 +95,13 @@ namespace Squidex.Infrastructure
             return this;
         }
 
-        public TypeNameRegistry Map(Assembly assembly)
+        public TypeNameRegistry MapUnmapped(Assembly assembly)
         {
             foreach (var type in assembly.GetTypes())
             {
-                var typeNameAttribute = type.GetTypeInfo().GetCustomAttribute<TypeNameAttribute>();
-
-                if (!string.IsNullOrWhiteSpace(typeNameAttribute?.TypeName))
+                if (!namesByType.ContainsKey(type))
                 {
-                    Map(type, typeNameAttribute.TypeName);
+                    Map(type);
                 }
             }
 

src/Squidex/Config/Domain/ReadModule.cs

@@ -11,6 +11,9 @@ using System.Linq;
 using Autofac;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Options;
+using Squidex.Domain.Apps.Core.HandleRules;
+using Squidex.Domain.Apps.Core.HandleRules.ActionHandlers;
+using Squidex.Domain.Apps.Core.HandleRules.Triggers;
 using Squidex.Domain.Apps.Read.Apps;
 using Squidex.Domain.Apps.Read.Apps.Services;
 using Squidex.Domain.Apps.Read.Apps.Services.Implementations;
@@ -18,10 +21,10 @@ using Squidex.Domain.Apps.Read.Contents;
 using Squidex.Domain.Apps.Read.Contents.Edm;
 using Squidex.Domain.Apps.Read.Contents.GraphQL;
 using Squidex.Domain.Apps.Read.History;
+using Squidex.Domain.Apps.Read.Rules;
 using Squidex.Domain.Apps.Read.Schemas;
 using Squidex.Domain.Apps.Read.Schemas.Services;
 using Squidex.Domain.Apps.Read.Schemas.Services.Implementations;
-using Squidex.Domain.Apps.Read.Webhooks;
 using Squidex.Domain.Users;
 using Squidex.Infrastructure;
 using Squidex.Infrastructure.Assets;
@@ -104,17 +107,27 @@ namespace Squidex.Config.Domain
                 .AsSelf()
                 .InstancePerDependency();
 
-            builder.RegisterType<WebhookDequeuer>()
+            builder.RegisterType<RuleDequeuer>()
                 .As<IExternalSystem>()
                 .AsSelf()
                 .InstancePerDependency();
 
-            builder.RegisterType<WebhookEnqueuer>()
+            builder.RegisterType<RuleEnqueuer>()
                 .As<IEventConsumer>()
                 .AsSelf()
                 .InstancePerDependency();
 
-            builder.RegisterType<WebhookSender>()
+            builder.RegisterType<ContentChangedTriggerHandler>()
+                .As<IRuleTriggerHandler>()
+                .AsSelf()
+                .SingleInstance();
+
+            builder.RegisterType<WebhookActionHandler>()
+                .As<IRuleActionHandler>()
+                .AsSelf()
+                .SingleInstance();
+
+            builder.RegisterType<RuleService>()
                 .AsSelf()
                 .SingleInstance();
 

src/Squidex/Config/Domain/Serializers.cs

@@ -6,18 +6,18 @@
 //  All rights reserved.
 // ==========================================================================
 
-using System.Reflection;
 using Microsoft.Extensions.DependencyInjection;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using NodaTime;
 using NodaTime.Serialization.JsonNet;
+using Squidex.Domain.Apps.Core;
 using Squidex.Domain.Apps.Core.Apps.Json;
+using Squidex.Domain.Apps.Core.Rules.Json;
 using Squidex.Domain.Apps.Core.Schemas;
 using Squidex.Domain.Apps.Core.Schemas.Json;
 using Squidex.Domain.Apps.Events;
 using Squidex.Infrastructure;
-using Squidex.Infrastructure.CQRS.Events;
 using Squidex.Infrastructure.Json;
 using Squidex.Infrastructure.MongoDb;
 
@@ -45,6 +45,7 @@ namespace Squidex.Config.Domain
                 new NamedStringIdConverter(),
                 new PropertiesBagConverter(),
                 new RefTokenConverter(),
+                new RuleConverter(),
                 new SchemaConverter(FieldRegistry),
                 new StringEnumConverter());
 
@@ -62,8 +63,9 @@ namespace Squidex.Config.Domain
 
         static Serializers()
         {
-            TypeNameRegistry.Map(typeof(SquidexEvent).GetTypeInfo().Assembly);
-            TypeNameRegistry.Map(typeof(NoopEvent).GetTypeInfo().Assembly);
+            TypeNameRegistry.MapUnmapped(typeof(SquidexCoreModel).Assembly);
+            TypeNameRegistry.MapUnmapped(typeof(SquidexEvents).Assembly);
+            TypeNameRegistry.MapUnmapped(typeof(SquidexInfrastructure).Assembly);
 
             ConfigureJson(SerializerSettings, TypeNameHandling.Auto);
 

src/Squidex/Config/Domain/StoreMongoDbModule.cs

@@ -22,11 +22,11 @@ using Squidex.Domain.Apps.Read.MongoDb.Apps;
 using Squidex.Domain.Apps.Read.MongoDb.Assets;
 using Squidex.Domain.Apps.Read.MongoDb.Contents;
 using Squidex.Domain.Apps.Read.MongoDb.History;
+using Squidex.Domain.Apps.Read.MongoDb.Rules;
 using Squidex.Domain.Apps.Read.MongoDb.Schemas;
-using Squidex.Domain.Apps.Read.MongoDb.Webhooks;
+using Squidex.Domain.Apps.Read.Rules.Repositories;
 using Squidex.Domain.Apps.Read.Schemas.Repositories;
 using Squidex.Domain.Apps.Read.Schemas.Services.Implementations;
-using Squidex.Domain.Apps.Read.Webhooks.Repositories;
 using Squidex.Domain.Users;
 using Squidex.Domain.Users.MongoDb;
 using Squidex.Domain.Users.MongoDb.Infrastructure;
@@ -136,9 +136,9 @@ namespace Squidex.Config.Domain
                 .AsSelf()
                 .SingleInstance();
 
-            builder.RegisterType<MongoWebhookEventRepository>()
+            builder.RegisterType<MongoRuleEventRepository>()
                 .WithParameter(ResolvedParameter.ForNamed<IMongoDatabase>(MongoDatabaseRegistration))
-                .As<IWebhookEventRepository>()
+                .As<IRuleEventRepository>()
                 .As<IExternalSystem>()
                 .AsSelf()
                 .SingleInstance();
@@ -171,9 +171,9 @@ namespace Squidex.Config.Domain
                 .AsSelf()
                 .SingleInstance();
 
-            builder.RegisterType<MongoWebhookRepository>()
+            builder.RegisterType<MongoRuleRepository>()
                 .WithParameter(ResolvedParameter.ForNamed<IMongoDatabase>(MongoDatabaseRegistration))
-                .As<IWebhookRepository>()
+                .As<IRuleRepository>()
                 .As<IEventConsumer>()
                 .As<IExternalSystem>()
                 .AsSelf()

src/Squidex/Config/Domain/WriteModule.cs

@@ -13,8 +13,8 @@ using Squidex.Domain.Apps.Core.Scripting;
 using Squidex.Domain.Apps.Write.Apps;
 using Squidex.Domain.Apps.Write.Assets;
 using Squidex.Domain.Apps.Write.Contents;
+using Squidex.Domain.Apps.Write.Rules;
 using Squidex.Domain.Apps.Write.Schemas;
-using Squidex.Domain.Apps.Write.Webhooks;
 using Squidex.Domain.Users;
 using Squidex.Infrastructure.CQRS.Commands;
 using Squidex.Pipeline.CommandMiddlewares;
@@ -80,7 +80,7 @@ namespace Squidex.Config.Domain
                 .As<ICommandMiddleware>()
                 .SingleInstance();
 
-            builder.RegisterType<WebhookCommandMiddleware>()
+            builder.RegisterType<RuleCommandMiddleware>()
                 .As<ICommandMiddleware>()
                 .SingleInstance();
 
@@ -96,7 +96,7 @@ namespace Squidex.Config.Domain
                 .AsSelf()
                 .SingleInstance();
 
-            builder.Register<DomainObjectFactoryFunction<WebhookDomainObject>>(c => (id => new WebhookDomainObject(id, -1)))
+            builder.Register<DomainObjectFactoryFunction<RuleDomainObject>>(c => (id => new RuleDomainObject(id, -1)))
                 .AsSelf()
                 .SingleInstance();
 

src/Squidex/Controllers/Api/Webhooks/Models/WebhookCreatedDto.cs → src/Squidex/Controllers/Api/Rules/Models/Actions/WebhookActionDto.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  WebhookCreatedDto.cs
+//  WebhookActionDto.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -8,25 +8,30 @@
 
 using System;
 using System.ComponentModel.DataAnnotations;
+using NJsonSchema.Annotations;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Core.Rules.Actions;
+using Squidex.Infrastructure.Reflection;
 
-namespace Squidex.Controllers.Api.Webhooks.Models
+namespace Squidex.Controllers.Api.Rules.Models.Actions
 {
-    public sealed class WebhookCreatedDto
+    [JsonSchema("Webhook")]
+    public sealed class WebhookActionDto : RuleActionDto
     {
         /// <summary>
-        /// The id of the webhook.
+        /// The url of the rule.
         /// </summary>
-        public Guid Id { get; set; }
+        [Required]
+        public Uri Url { get; set; }
 
         /// <summary>
         /// The shared secret that is used to calculate the signature.
         /// </summary>
-        [Required]
         public string SharedSecret { get; set; }
 
-        /// <summary>
-        /// The version of the schema.
-        /// </summary>
-        public long Version { get; set; }
+        public override RuleAction ToAction()
+        {
+            return SimpleMapper.Map(this, new WebhookAction());
+        }
     }
 }

src/Squidex/Controllers/Api/Rules/Models/Converters/RuleActionDtoFactory.cs

@@ -0,0 +1,34 @@
+// ==========================================================================
+//  RuleActionDtoFactory.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using Squidex.Controllers.Api.Rules.Models.Actions;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Core.Rules.Actions;
+using Squidex.Infrastructure.Reflection;
+
+namespace Squidex.Controllers.Api.Rules.Models.Converters
+{
+    public sealed class RuleActionDtoFactory : IRuleActionVisitor<RuleActionDto>
+    {
+        private static readonly RuleActionDtoFactory Instance = new RuleActionDtoFactory();
+
+        private RuleActionDtoFactory()
+        {
+        }
+
+        public static RuleActionDto Create(RuleAction properties)
+        {
+            return properties.Accept(Instance);
+        }
+
+        public RuleActionDto Visit(WebhookAction action)
+        {
+            return SimpleMapper.Map(action, new WebhookActionDto());
+        }
+    }
+}

src/Squidex/Controllers/Api/Rules/Models/Converters/RuleConverter.cs

@@ -0,0 +1,72 @@
+// ==========================================================================
+//  RuleConverter.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using Squidex.Domain.Apps.Read.Rules;
+using Squidex.Domain.Apps.Write.Rules.Commands;
+using Squidex.Infrastructure.Reflection;
+
+namespace Squidex.Controllers.Api.Rules.Models.Converters
+{
+    public static class RuleConverter
+    {
+        public static RuleDto ToModel(this IRuleEntity entity)
+        {
+            var dto = new RuleDto();
+
+            SimpleMapper.Map(entity, dto);
+            SimpleMapper.Map(entity.Rule, dto);
+
+            if (entity.Rule.Trigger != null)
+            {
+                dto.Trigger = RuleTriggerDtoFactory.Create(entity.Rule.Trigger);
+            }
+
+            if (entity.Rule.Action != null)
+            {
+                dto.Action = RuleActionDtoFactory.Create(entity.Rule.Action);
+            }
+
+            return dto;
+        }
+
+        public static UpdateRule ToCommand(this UpdateRuleDto dto, Guid id)
+        {
+            var command = new UpdateRule { RuleId = id };
+
+            if (dto.Action != null)
+            {
+                command.Action = dto.Action.ToAction();
+            }
+
+            if (dto.Trigger != null)
+            {
+                command.Trigger = dto.Trigger.ToTrigger();
+            }
+
+            return command;
+        }
+
+        public static CreateRule ToCommand(this CreateRuleDto dto)
+        {
+            var command = new CreateRule();
+
+            if (dto.Action != null)
+            {
+                command.Action = dto.Action.ToAction();
+            }
+
+            if (dto.Trigger != null)
+            {
+                command.Trigger = dto.Trigger.ToTrigger();
+            }
+
+            return command;
+        }
+    }
+}

src/Squidex/Controllers/Api/Rules/Models/Converters/RuleTriggerDtoFactory.cs

@@ -0,0 +1,38 @@
+// ==========================================================================
+//  RuleTriggerDtoFactory.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.Linq;
+using Squidex.Controllers.Api.Rules.Models.Triggers;
+using Squidex.Domain.Apps.Core.Rules;
+using Squidex.Domain.Apps.Core.Rules.Triggers;
+using Squidex.Infrastructure.Reflection;
+
+namespace Squidex.Controllers.Api.Rules.Models.Converters
+{
+    public sealed class RuleTriggerDtoFactory : IRuleTriggerVisitor<RuleTriggerDto>
+    {
+        private static readonly RuleTriggerDtoFactory Instance = new RuleTriggerDtoFactory();
+
+        private RuleTriggerDtoFactory()
+        {
+        }
+
+        public static RuleTriggerDto Create(RuleTrigger properties)
+        {
+            return properties.Accept(Instance);
+        }
+
+        public RuleTriggerDto Visit(ContentChangedTrigger trigger)
+        {
+            return new ContentChangedTriggerDto
+            {
+                Schemas = trigger.Schemas.Select(x => SimpleMapper.Map(x, new ContentChangedTriggerSchemaDto())).ToList()
+            };
+        }
+    }
+}

src/Squidex/Controllers/Api/Webhooks/Models/CreateWebhookDto.cs → src/Squidex/Controllers/Api/Rules/Models/CreateRuleDto.cs

@@ -1,29 +1,27 @@
 // ==========================================================================
-//  CreateWebhookDto.cs
+//  CreateRuleDto.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
 //  All rights reserved.
 // ==========================================================================
 
-using System;
-using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 
-namespace Squidex.Controllers.Api.Webhooks.Models
+namespace Squidex.Controllers.Api.Rules.Models
 {
-    public sealed class CreateWebhookDto
+    public sealed class CreateRuleDto
     {
         /// <summary>
-        /// The url of the webhook.
+        /// The trigger properties.
         /// </summary>
         [Required]
-        public Uri Url { get; set; }
+        public RuleTriggerDto Trigger { get; set; }
 
         /// <summary>
-        /// The schema settings.
+        /// The action properties.
         /// </summary>
         [Required]
-        public List<WebhookSchemaDto> Schemas { get; set; }
+        public RuleActionDto Action { get; set; }
     }
 }

src/Squidex/Controllers/Api/Rules/Models/RuleActionDto.cs

@@ -0,0 +1,22 @@
+// ==========================================================================
+//  RuleActionDto.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.Runtime.Serialization;
+using Newtonsoft.Json;
+using Squidex.Controllers.Api.Rules.Models.Actions;
+using Squidex.Domain.Apps.Core.Rules;
+
+namespace Squidex.Controllers.Api.Rules.Models
+{
+    [JsonConverter(typeof(JsonInheritanceConverter), "actionType")]
+    [KnownType(typeof(WebhookActionDto))]
+    public abstract class RuleActionDto
+    {
+        public abstract RuleAction ToAction();
+    }
+}

src/Squidex/Controllers/Api/Rules/Models/RuleDto.cs

@@ -0,0 +1,67 @@
+// ==========================================================================
+//  RuleDto.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using System.ComponentModel.DataAnnotations;
+using NodaTime;
+using Squidex.Infrastructure;
+
+namespace Squidex.Controllers.Api.Rules.Models
+{
+    public sealed class RuleDto
+    {
+        /// <summary>
+        /// The id of the rule.
+        /// </summary>
+        public Guid Id { get; set; }
+
+        /// <summary>
+        /// The user that has created the rule.
+        /// </summary>
+        [Required]
+        public RefToken CreatedBy { get; set; }
+
+        /// <summary>
+        /// The user that has updated the rule.
+        /// </summary>
+        [Required]
+        public RefToken LastModifiedBy { get; set; }
+
+        /// <summary>
+        /// The date and time when the rule has been created.
+        /// </summary>
+        public Instant Created { get; set; }
+
+        /// <summary>
+        /// The date and time when the rule has been modified last.
+        /// </summary>
+        public Instant LastModified { get; set; }
+
+        /// <summary>
+        /// The version of the rule.
+        /// </summary>
+        public int Version { get; set; }
+
+        /// <summary>
+        /// The trigger properties.
+        /// </summary>
+        [Required]
+        public RuleTriggerDto Trigger { get; set; }
+
+        /// <summary>
+        /// The action properties.
+        /// </summary>
+        [Required]
+        public RuleActionDto Action { get; set; }
+
+        /// <summary>
+        /// Determines if the rule is enabled.
+        /// </summary>
+        public bool IsEnabled { get; set; }
+    }
+}

src/Squidex/Controllers/Api/Webhooks/Models/WebhookEventDto.cs → src/Squidex/Controllers/Api/Rules/Models/RuleEventDto.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  WebhookEventDto.cs
+//  RuleEventDto.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
@@ -9,11 +9,12 @@
 using System;
 using System.ComponentModel.DataAnnotations;
 using NodaTime;
-using Squidex.Domain.Apps.Read.Webhooks;
+using Squidex.Domain.Apps.Core.HandleRules;
+using Squidex.Domain.Apps.Read.Rules;
 
-namespace Squidex.Controllers.Api.Webhooks.Models
+namespace Squidex.Controllers.Api.Rules.Models
 {
-    public sealed class WebhookEventDto
+    public sealed class RuleEventDto
     {
         /// <summary>
         /// The id of the event.
@@ -26,10 +27,10 @@ namespace Squidex.Controllers.Api.Webhooks.Models
         public Instant Created { get; set; }
 
         /// <summary>
-        /// The request url.
+        /// The description
         /// </summary>
         [Required]
-        public Uri RequestUrl { get; set; }
+        public string Description { get; set; }
 
         /// <summary>
         /// The name of the event.
@@ -55,11 +56,11 @@ namespace Squidex.Controllers.Api.Webhooks.Models
         /// <summary>
         /// The result of the event.
         /// </summary>
-        public WebhookResult Result { get; set; }
+        public RuleResult Result { get; set; }
 
         /// <summary>
         /// The result of the job.
         /// </summary>
-        public WebhookJobResult JobResult { get; set; }
+        public RuleJobResult JobResult { get; set; }
     }
 }

src/Squidex/Controllers/Api/Webhooks/Models/WebhookEventsDto.cs → src/Squidex/Controllers/Api/Rules/Models/RuleEventsDto.cs

@@ -1,23 +1,23 @@
 // ==========================================================================
-//  WebhookEventsDto.cs
+//  RuleEventsDto.cs
 //  Squidex Headless CMS
 // ==========================================================================
 //  Copyright (c) Squidex Group
 //  All rights reserved.
 // ==========================================================================
 
-namespace Squidex.Controllers.Api.Webhooks.Models
+namespace Squidex.Controllers.Api.Rules.Models
 {
-    public sealed class WebhookEventsDto
+    public sealed class RuleEventsDto
     {
         /// <summary>
-        /// The total number of webhook events.
+        /// The total number of rule events.
         /// </summary>
         public long Total { get; set; }
 
         /// <summary>
-        /// The webhook events.
+        /// The rule events.
         /// </summary>
-        public WebhookEventDto[] Items { get; set; }
+        public RuleEventDto[] Items { get; set; }
     }
 }

src/Squidex/Controllers/Api/Rules/Models/RuleTriggerDto.cs

@@ -0,0 +1,22 @@
+// ==========================================================================
+//  RuleTriggerDto.cs
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.Runtime.Serialization;
+using Newtonsoft.Json;
+using Squidex.Controllers.Api.Rules.Models.Triggers;
+using Squidex.Domain.Apps.Core.Rules;
+
+namespace Squidex.Controllers.Api.Rules.Models
+{
+    [JsonConverter(typeof(JsonInheritanceConverter), "triggerType")]
+    [KnownType(typeof(ContentChangedTriggerDto))]
+    public abstract class RuleTriggerDto
+    {
+        public abstract RuleTrigger ToTrigger();
+    }
+}