Some progress

PinkParrot.sln

@@ -32,6 +32,10 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "pinkparrot_write", "pinkpar
 EndProject
 Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "PinkParrot.Write", "src\pinkparrot_write\PinkParrot.Write\PinkParrot.Write.xproj", "{A85201C6-6AF8-4B63-8365-08F741050438}"
 EndProject
+Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "PinkParrot.Read", "src\pinkparrot_read\PinkParrot.Read\PinkParrot.Read.xproj", "{A92B4734-2587-4F6F-97A3-741BE48709A5}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "pinkparrot_read", "pinkparrot_read", "{2CDAF493-B88E-48BD-9634-B5128C106199}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -66,6 +70,10 @@ Global
 		{A85201C6-6AF8-4B63-8365-08F741050438}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A85201C6-6AF8-4B63-8365-08F741050438}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A85201C6-6AF8-4B63-8365-08F741050438}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A92B4734-2587-4F6F-97A3-741BE48709A5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A92B4734-2587-4F6F-97A3-741BE48709A5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A92B4734-2587-4F6F-97A3-741BE48709A5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A92B4734-2587-4F6F-97A3-741BE48709A5}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -78,5 +86,6 @@ Global
 		{BD1C30A8-8FFA-4A92-A9BD-B67B1CDDD84C} = {8CF53B92-5EB1-461D-98F8-70DA9B603FBF}
 		{25F66C64-058A-4D44-BC0C-F12A054F9A91} = {6AE39761-FD74-45CD-99CF-73D3D2E5D064}
 		{A85201C6-6AF8-4B63-8365-08F741050438} = {4AED438F-684F-4FAE-B016-21CF2EAEA79F}
+		{A92B4734-2587-4F6F-97A3-741BE48709A5} = {2CDAF493-B88E-48BD-9634-B5128C106199}
 	EndGlobalSection
 EndGlobal

src/PinkParrot/Modules/Api/Schemas/SchemaFieldsController.cs

@@ -0,0 +1,74 @@
+// ==========================================================================
+//  SchemaFieldsController.cs
+//  PinkParrot Headless CMS
+// ==========================================================================
+//  Copyright (c) PinkParrot Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using PinkParrot.Infrastructure.CQRS.Commands;
+using PinkParrot.Write.Schema.Commands;
+
+namespace PinkParrot.Modules.Api.Schemas
+{
+    public class SchemasFieldsController : Controller
+    {
+        private readonly ICommandBus commandBus;
+
+        public SchemasFieldsController(ICommandBus commandBus)
+        {
+            this.commandBus = commandBus;
+        }
+
+        [HttpPost]
+        [Route("schemas/{name}/fields/")]
+        public Task Add(AddModelField command)
+        {
+            return commandBus.PublishAsync(command);
+        }
+
+        [HttpPut]
+        [Route("schemas/{name}/fields/{fieldId:long}/")]
+        public Task Update(UpdateModelField command)
+        {
+            return commandBus.PublishAsync(command);
+        }
+
+        [HttpPut]
+        [Route("schemas/{name}/fields/{fieldId:long}/hide/")]
+        public Task Hide(HideModelField command)
+        {
+            return commandBus.PublishAsync(command);
+        }
+
+        [HttpPut]
+        [Route("schemas/{name}/fields/{fieldId:long}/show/")]
+        public Task Show(ShowModelField command)
+        {
+            return commandBus.PublishAsync(command);
+        }
+
+        [HttpPut]
+        [Route("schemas/{name}/fields/{fieldId:long}/enable/")]
+        public Task Enable(EnableModelField command)
+        {
+            return commandBus.PublishAsync(command);
+        }
+
+        [HttpPut]
+        [Route("schemas/{name}/fields/{fieldId:long}/disable/")]
+        public Task Enable(DisableModelField command)
+        {
+            return commandBus.PublishAsync(command);
+        }
+
+        [HttpDelete]
+        [Route("schemas/{name}/fields/{fieldId:long}/")]
+        public Task Delete(DeleteModelField command)
+        {
+            return commandBus.PublishAsync(command);
+        }
+    }
+}

src/PinkParrot/Modules/Api/Schemas/SchemasController.cs

@@ -1,26 +1,55 @@
-using System.Threading.Tasks;
+// ==========================================================================
+//  SchemasController.cs
+//  PinkParrot Headless CMS
+// ==========================================================================
+//  Copyright (c) PinkParrot Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.Collections.Generic;
+using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
+using PinkParrot.Infrastructure.CQRS.Commands;
+using PinkParrot.Read.Models;
+using PinkParrot.Write.Schema.Commands;
 
 namespace PinkParrot.Modules.Api.Schemas
 {
     public class SchemasController : Controller
     {
+        private readonly ICommandBus commandBus;
+
+        public SchemasController(ICommandBus commandBus)
+        {
+            this.commandBus = commandBus;
+        }
+
+        [HttpGet]
+        [Route("schemas/")]
+        public Task<List<ModelSchemaRM>> Query()
+        {
+            return null;
+        }
+
         [HttpPost]
         [Route("schemas/")]
-        public async Task Create()
+        public Task Create(CreateModelSchema command)
         {
+            return commandBus.PublishAsync(command);
         }
 
         [HttpPut]
         [Route("schemas/{name}/")]
-        public async Task Update()
+        public Task Update(UpdateModelSchema command)
         {
+            return commandBus.PublishAsync(command);
         }
 
         [HttpDelete]
         [Route("schemas/{name}/")]
-        public async Task Delete()
+        public Task Delete()
         {
+            return commandBus.PublishAsync(new DeleteModelSchema());
         }
     }
 }

src/PinkParrot/Startup.cs

@@ -6,27 +6,59 @@
 //  All rights reserved.
 // ==========================================================================
 
+using System;
+using Autofac;
+using Autofac.Extensions.DependencyInjection;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
+using PinkParrot.Infrastructure.CQRS.Autofac;
+using PinkParrot.Infrastructure.CQRS.Commands;
+// ReSharper disable AccessToModifiedClosure
 
 namespace PinkParrot
 {
     public class Startup
     {
-        // This method gets called by the runtime. Use this method to add services to the container.
+        public IServiceProvider ConfigureServices(IServiceCollection services)
-        // For more information on how to configure your application, visit http://go.microsoft.com/fwlink/?LinkID=398940
-        public void ConfigureServices(IServiceCollection services)
         {
+            services.AddMvc();
+            services.AddRouting();
+            services.AddSwaggerGen();
+
+            IContainer container = null;
+
+            var containerBuilder = new ContainerBuilder();
+            containerBuilder.Populate(services);
+
+            containerBuilder.Register(c => container)
+                .As<IContainer>()
+                .SingleInstance();
+
+            containerBuilder.RegisterType<AutofacDomainObjectFactory>()
+                .As<IDomainObjectFactory>()
+                .SingleInstance();
+
+            containerBuilder.RegisterType<InMemoryCommandBus>()
+                .As<ICommandBus>()
+                .SingleInstance();
+            
+            container = containerBuilder.Build();
+
+            return new AutofacServiceProvider(container);
         }
         
-        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
         public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
         {
             loggerFactory.AddConsole();
 
+            app.UseMvc();
+            app.UseStaticFiles();
+            app.UseSwagger();
+            app.UseSwaggerUi();
+
             if (env.IsDevelopment())
             {
                 app.UseDeveloperExceptionPage();

src/PinkParrot/project.json

@@ -1,5 +1,7 @@
 {
   "dependencies": {
+    "Autofac": "4.1.0",
+    "Autofac.Extensions.DependencyInjection": "4.0.0",
     "Microsoft.AspNetCore.Diagnostics": "1.0.0",
     "Microsoft.AspNetCore.Mvc": "1.0.0",
     "Microsoft.AspNetCore.Razor.Tools": {
@@ -19,10 +21,14 @@
       "version": "1.0.0",
       "type": "platform"
     },
+    "MongoDB.Driver": "2.3.0-rc1",
     "PinkParrot.Core": "1.0.0-*",
     "PinkParrot.Events": "1.0.0-*",
     "PinkParrot.Infrastructure": "1.0.0-*",
-    "PinkParrot.Write": "1.0.0-*"
+    "PinkParrot.Read": "1.0.0-*",
+    "PinkParrot.Write": "1.0.0-*",
+    "Swashbuckle.SwaggerGen": "6.0.0-beta901",
+    "Swashbuckle.SwaggerUi": "6.0.0-beta901"
   },
 
   "tools": {

src/PinkParrot/web.config

@@ -1,10 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
-
-  <!--
-    Configure your application settings in appsettings.json. Learn more at http://go.microsoft.com/fwlink/?LinkId=786380
-  -->
-
   <system.webServer>
     <handlers>
       <add name="aspNetCore" path="*" verb="*" modules="AspNetCoreModule" resourceType="Unspecified"/>

src/pinkparrot_core/PinkParrot.Core/Schema/ModelField.cs

@@ -134,7 +134,7 @@ namespace PinkParrot.Core.Schema
         {
             if (isHidden)
             {
-                throw new DomainValidationException($"The field '{name} is already hidden.");
+                throw new ValidationException($"The field '{name} is already hidden.");
             }
 
             var clone = Clone();
@@ -148,7 +148,7 @@ namespace PinkParrot.Core.Schema
         {
             if (!isHidden)
             {
-                throw new DomainValidationException($"The field '{name} is already visible.");
+                throw new ValidationException($"The field '{name} is already visible.");
             }
 
             var clone = Clone();
@@ -162,7 +162,7 @@ namespace PinkParrot.Core.Schema
         {
             if (isDisabled)
             {
-                throw new DomainValidationException($"The field '{name} is already disabled.");
+                throw new ValidationException($"The field '{name} is already disabled.");
             }
 
             var clone = Clone();
@@ -176,7 +176,7 @@ namespace PinkParrot.Core.Schema
         {
             if (!isDisabled)
             {
-                throw new DomainValidationException($"The field '{name} is already enabled.");
+                throw new ValidationException($"The field '{name} is already enabled.");
             }
 
             var clone = Clone();

src/pinkparrot_core/PinkParrot.Core/Schema/ModelSchema.cs

@@ -37,7 +37,7 @@ namespace PinkParrot.Core.Schema
         {
             if (!name.IsSlug())
             {
-                throw new DomainValidationException("Cannot create the schema.", $"'{name}' is not a valid slug.");
+                throw new ValidationException("Cannot create the schema.", $"'{name}' is not a valid slug.");
             }
 
             return new ModelSchema(new ModelSchemaMetadata(name), ImmutableDictionary<long, ModelField>.Empty);
@@ -79,7 +79,7 @@ namespace PinkParrot.Core.Schema
 
                 if (errors.Any())
                 {
-                    throw new DomainValidationException($"Cannot update field with id '{fieldId}', becase the settings are invalid.", errors);
+                    throw new ValidationException($"Cannot update field with id '{fieldId}', becase the settings are invalid.", errors);
                 }
 
                 return newField;
@@ -112,7 +112,7 @@ namespace PinkParrot.Core.Schema
 
             if (fields.Values.Any(f => f.Name == field.Name && f.Id != field.Id))
             {
-                throw new DomainValidationException($"A field with name '{field.Name}' already exists.");
+                throw new ValidationException($"A field with name '{field.Name}' already exists.");
             }
 
             return new ModelSchema(metadata, fields.SetItem(field.Id, field));
@@ -122,7 +122,7 @@ namespace PinkParrot.Core.Schema
         {
             if (!fields.ContainsKey(fieldId))
             {
-                throw new DomainValidationException($"A field with id {fieldId} does not exist.");
+                throw new ValidationException($"A field with id {fieldId} does not exist.");
             }
 
             return new ModelSchema(metadata, fields.Remove(fieldId));
@@ -134,7 +134,7 @@ namespace PinkParrot.Core.Schema
 
             if (!fields.TryGetValue(fieldId, out field))
             {
-                throw new DomainValidationException($"Cannot update field with id '{fieldId}'.", "Field does not exist.");
+                throw new ValidationException($"Cannot update field with id '{fieldId}'.", "Field does not exist.");
             }
 
             var newField = updater(field);
@@ -168,7 +168,7 @@ namespace PinkParrot.Core.Schema
 
             if (errors.Any())
             {
-                throw new DomainValidationException("The data is not valid.", errors);
+                throw new ValidationException("The data is not valid.", errors);
             }
         }
     }

src/pinkparrot_core/PinkParrot.Core/Schema/ModelSchemaMetadata.cs

@@ -54,7 +54,7 @@ namespace PinkParrot.Core.Schema
             {
                 if (!newName.IsSlug())
                 {
-                    throw new DomainValidationException("Cannot update the schema.", $"'{newName}' is not a valid slug.");
+                    throw new ValidationException("Cannot update the schema.", $"'{newName}' is not a valid slug.");
                 }
 
                 clone.name = newName;

src/pinkparrot_events/PinkParrot.Events/Schema/ModelFieldAdded.cs

@@ -6,11 +6,9 @@
 //  All rights reserved.
 // ==========================================================================
 
-using PinkParrot.Infrastructure.CQRS.Events;
-
 namespace PinkParrot.Events.Schema
 {
-    public class ModelFieldAdded : IEvent
+    public class ModelFieldAdded : TenantEvent
     {
         public long FieldId;
 

src/pinkparrot_events/PinkParrot.Events/Schema/ModelFieldDeleted.cs

@@ -6,11 +6,9 @@
 //  All rights reserved.
 // ==========================================================================
 
-using PinkParrot.Infrastructure.CQRS.Events;
-
 namespace PinkParrot.Events.Schema
 {
-    public class ModelFieldDeleted : IEvent
+    public class ModelFieldDeleted : TenantEvent
     {
         public long FieldId;
     }

src/pinkparrot_events/PinkParrot.Events/Schema/ModelFieldDisabled.cs

@@ -6,11 +6,9 @@
 //  All rights reserved.
 // ==========================================================================
 
-using PinkParrot.Infrastructure.CQRS.Events;
-
 namespace PinkParrot.Events.Schema
 {
-    public class ModelFieldDisabled : IEvent
+    public class ModelFieldDisabled : TenantEvent
     {
         public long FieldId;
     }

src/pinkparrot_events/PinkParrot.Events/Schema/ModelFieldEnabled.cs

@@ -6,11 +6,9 @@
 //  All rights reserved.
 // ==========================================================================
 
-using PinkParrot.Infrastructure.CQRS.Events;
-
 namespace PinkParrot.Events.Schema
 {
-    public class ModelFieldEnabled : IEvent
+    public class ModelFieldEnabled : TenantEvent
     {
         public long FieldId;
     }

src/pinkparrot_events/PinkParrot.Events/Schema/ModelFieldHidden.cs

@@ -6,11 +6,9 @@
 //  All rights reserved.
 // ==========================================================================
 
-using PinkParrot.Infrastructure.CQRS.Events;
-
 namespace PinkParrot.Events.Schema
 {
-    public class ModelFieldHidden : IEvent
+    public class ModelFieldHidden : TenantEvent
     {
         public long FieldId;
     }

src/pinkparrot_events/PinkParrot.Events/Schema/ModelFieldShown.cs

@@ -6,11 +6,9 @@
 //  All rights reserved.
 // ==========================================================================
 
-using PinkParrot.Infrastructure.CQRS.Events;
-
 namespace PinkParrot.Events.Schema
 {
-    public class ModelFieldShown : IEvent
+    public class ModelFieldShown : TenantEvent
     {
         public long FieldId;
     }

src/pinkparrot_events/PinkParrot.Events/Schema/ModelFieldUpdated.cs

@@ -7,11 +7,10 @@
 // ==========================================================================
 
 using PinkParrot.Infrastructure;
-using PinkParrot.Infrastructure.CQRS.Events;
 
 namespace PinkParrot.Events.Schema
 {
-    public class ModelFieldUpdated : IEvent
+    public class ModelFieldUpdated : TenantEvent
     {
         public long FieldId;
 

src/pinkparrot_events/PinkParrot.Events/Schema/ModelSchemaCreated.cs

@@ -6,11 +6,9 @@
 //  All rights reserved.
 // ==========================================================================
 
-using PinkParrot.Infrastructure.CQRS.Events;
-
 namespace PinkParrot.Events.Schema
 {
-    public class ModelSchemaCreated : IEvent
+    public class ModelSchemaCreated : TenantEvent
     {
         public string Name;
     }

src/pinkparrot_events/PinkParrot.Events/Schema/ModelSchemaDeleted.cs

@@ -6,11 +6,9 @@
 //  All rights reserved.
 // ==========================================================================
 
-using PinkParrot.Infrastructure.CQRS.Events;
-
 namespace PinkParrot.Events.Schema
 {
-    public class ModelSchemaDeleted : IEvent
+    public class ModelSchemaDeleted : TenantEvent
     {
     }
 }

src/pinkparrot_events/PinkParrot.Events/Schema/ModelSchemaUpdated.cs

@@ -7,11 +7,10 @@
 // ==========================================================================
 
 using PinkParrot.Infrastructure;
-using PinkParrot.Infrastructure.CQRS.Events;
 
 namespace PinkParrot.Events.Schema
 {
-    public class ModelSchemaUpdated : IEvent
+    public class ModelSchemaUpdated : TenantEvent
     {
         public string NewName;
 

src/pinkparrot_events/PinkParrot.Events/TenantEvent.cs

@@ -0,0 +1,18 @@
+// ==========================================================================
+//  TenantEvent.cs
+//  PinkParrot Headless CMS
+// ==========================================================================
+//  Copyright (c) PinkParrot Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using PinkParrot.Infrastructure.CQRS.Events;
+
+namespace PinkParrot.Events
+{
+    public class TenantEvent : IEvent
+    {
+        public Guid TenantId;
+    }
+}

src/pinkparrot_infrastructure/PinkParrot.Infrastructure.Tests/DispatchingTests.cs

@@ -10,6 +10,9 @@ using System.Threading.Tasks;
 using PinkParrot.Infrastructure.Dispatching;
 using PinkParrot.Infrastructure.Tasks;
 using Xunit;
+// ReSharper disable UnusedMethodReturnValue.Local
+// ReSharper disable UnusedParameter.Local
+// ReSharper disable UnusedMember.Local
 
 namespace PinkParrot.Infrastructure
 {

src/pinkparrot_infrastructure/PinkParrot.Infrastructure.Tests/PropertiesBagTests.cs

@@ -295,6 +295,14 @@ namespace PinkParrot.Infrastructure
             AssertBoolean(false);
         }
 
+        [Fact]
+        public void Should_provide_value_as_string()
+        {
+            bag.Set("Key", "Foo");
+
+            AssertString("Foo");
+        }
+
         [Fact]
         public void Should_throw_when_converting_instant_to_number()
         {

src/pinkparrot_infrastructure/PinkParrot.Infrastructure/CQRS/Autofac/AutofacDomainObjectFactory.cs

@@ -0,0 +1,33 @@
+// ==========================================================================
+//  AutofacDomainObjectFactory.cs
+//  PinkParrot Headless CMS
+// ==========================================================================
+//  Copyright (c) PinkParrot Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using Autofac;
+using PinkParrot.Infrastructure.CQRS.Commands;
+
+namespace PinkParrot.Infrastructure.CQRS.Autofac
+{
+    public sealed class AutofacDomainObjectFactory : IDomainObjectFactory
+    {
+        private readonly IContainer container;
+
+        public AutofacDomainObjectFactory(IContainer container)
+        {
+            Guard.NotNull(container, nameof(container));
+
+            this.container = container;
+        }
+
+        public IAggregate CreateNew(Type type, Guid id)
+        {
+            return (IAggregate)container.Resolve(type, 
+                new NamedParameter("id", id),
+                new NamedParameter("version", 0));
+        }
+    }
+}

src/pinkparrot_infrastructure/PinkParrot.Infrastructure/CQRS/DomainObject.cs

@@ -38,17 +38,19 @@ namespace PinkParrot.Infrastructure.CQRS
             this.version = version;
         }
 
-        protected abstract void ApplyEvent(IEvent @event);
+        protected abstract void ApplyEvent(Envelope<IEvent> @event);
 
         protected void RaiseEvent<TEvent>(Envelope<TEvent> envelope, bool disableApply = false) where TEvent : class, IEvent
         {
             Guard.NotNull(envelope, nameof(envelope));
 
-            uncomittedEvents.Add(envelope.To<IEvent>());
+            var envelopeToAdd = envelope.To<IEvent>();
+
+            uncomittedEvents.Add(envelopeToAdd);
 
             if (!disableApply)
             {
-                ApplyEvent(envelope.Payload);
+                ApplyEvent(envelopeToAdd);
             }
         }
 
@@ -56,15 +58,17 @@ namespace PinkParrot.Infrastructure.CQRS
         {
             Guard.NotNull(@event, nameof(@event));
 
-            uncomittedEvents.Add(EnvelopeFactory.ForEvent(@event, id));
+            var envelopeToAdd = EnvelopeFactory.ForEvent(@event, id);
+
+            uncomittedEvents.Add(envelopeToAdd);
 
             if (!disableApply)
             {
-                ApplyEvent(@event);
+                ApplyEvent(envelopeToAdd);
             }
         }
 
-        void IAggregate.ApplyEvent(IEvent @event)
+        void IAggregate.ApplyEvent(Envelope<IEvent> @event)
         {
             ApplyEvent(@event); version++;
         }

src/pinkparrot_infrastructure/PinkParrot.Infrastructure/CQRS/EnvelopeExtensions.cs

@@ -14,9 +14,9 @@ namespace PinkParrot.Infrastructure.CQRS
 {
     public static class EnvelopeExtensions
     {
-        public static int EventNumber<T>(this Envelope<T> envelope) where T : class
+        public static int EventNumber(this EnvelopeHeaders headers)
         {
-            return envelope.Headers[CommonHeaders.EventNumber].ToInt32(CultureInfo.InvariantCulture);
+            return headers[CommonHeaders.EventNumber].ToInt32(CultureInfo.InvariantCulture);
         }
 
         public static Envelope<T> SetEventNumber<T>(this Envelope<T> envelope, int value) where T : class
@@ -26,9 +26,9 @@ namespace PinkParrot.Infrastructure.CQRS
             return envelope;
         }
 
-        public static Guid CommitId<T>(this Envelope<T> envelope) where T : class
+        public static Guid CommitId(this EnvelopeHeaders headers)
         {
-            return envelope.Headers[CommonHeaders.CommitId].ToGuid(CultureInfo.InvariantCulture);
+            return headers[CommonHeaders.CommitId].ToGuid(CultureInfo.InvariantCulture);
         }
 
         public static Envelope<T> SetCommitId<T>(this Envelope<T> envelope, Guid value) where T : class
@@ -38,9 +38,9 @@ namespace PinkParrot.Infrastructure.CQRS
             return envelope;
         }
 
-        public static Guid AggregateId<T>(this Envelope<T> envelope) where T : class
+        public static Guid AggregateId(this EnvelopeHeaders headers)
         {
-            return envelope.Headers[CommonHeaders.AggregateId].ToGuid(CultureInfo.InvariantCulture);
+            return headers[CommonHeaders.AggregateId].ToGuid(CultureInfo.InvariantCulture);
         }
 
         public static Envelope<T> SetAggregateId<T>(this Envelope<T> envelope, Guid value) where T : class
@@ -50,9 +50,9 @@ namespace PinkParrot.Infrastructure.CQRS
             return envelope;
         }
 
-        public static Guid EventId<T>(this Envelope<T> envelope) where T : class
+        public static Guid EventId(this EnvelopeHeaders headers)
         {
-            return envelope.Headers[CommonHeaders.EventId].ToGuid(CultureInfo.InvariantCulture);
+            return headers[CommonHeaders.EventId].ToGuid(CultureInfo.InvariantCulture);
         }
 
         public static Envelope<T> SetEventId<T>(this Envelope<T> envelope, Guid value) where T : class
@@ -62,9 +62,9 @@ namespace PinkParrot.Infrastructure.CQRS
             return envelope;
         }
 
-        public static Instant Timestamp<T>(this Envelope<T> envelope) where T : class
+        public static Instant Timestamp(this EnvelopeHeaders headers)
         {
-            return envelope.Headers[CommonHeaders.Timestamp].ToInstant(CultureInfo.InvariantCulture);
+            return headers[CommonHeaders.Timestamp].ToInstant(CultureInfo.InvariantCulture);
         }
 
         public static Envelope<T> SetTimestamp<T>(this Envelope<T> envelope, Instant value) where T : class

src/pinkparrot_infrastructure/PinkParrot.Infrastructure/CQRS/GetEventStore/GetEventStoreDomainObjectRepository.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace PinkParrot.Infrastructure.CQRS.GetEventStore
+{
+    public class GetEventStoreDomainObjectRepository
+    {
+    }
+}

src/pinkparrot_infrastructure/PinkParrot.Infrastructure/CQRS/IAggregate.cs

@@ -18,7 +18,7 @@ namespace PinkParrot.Infrastructure.CQRS
 
         int Version { get; }
 
-        void ApplyEvent(IEvent @event);
+        void ApplyEvent(Envelope<IEvent> @event);
 
         void ClearUncommittedEvents();
 

src/pinkparrot_infrastructure/PinkParrot.Infrastructure/Dispatching/ActionContextDispatcherFactory.cs

@@ -27,6 +27,7 @@ namespace PinkParrot.Infrastructure.Dispatching
             return new Tuple<Type, Action<TTarget, object, TContext>>(inputType, (Action<TTarget, object, TContext>)handler);
         }
 
+        // ReSharper disable once UnusedMember.Local
         private static Action<TTarget, object, TContext> Factory<TTarget, TIn, TContext>(MethodInfo methodInfo)
         {
             var type = typeof(Action<TTarget, TIn, TContext>);

src/pinkparrot_infrastructure/PinkParrot.Infrastructure/Dispatching/ActionDispatcherFactory.cs

@@ -27,6 +27,7 @@ namespace PinkParrot.Infrastructure.Dispatching
             return new Tuple<Type, Action<T, object>>(inputType, (Action<T, object>)handler);
         }
 
+        // ReSharper disable once UnusedMember.Local
         private static Action<TTarget, object> Factory<TTarget, TIn>(MethodInfo methodInfo)
         {
             var type = typeof(Action<TTarget, TIn>);

src/pinkparrot_infrastructure/PinkParrot.Infrastructure/Dispatching/FuncContextDispatcherFactory.cs

@@ -27,6 +27,7 @@ namespace PinkParrot.Infrastructure.Dispatching
             return new Tuple<Type, Func<TTarget, object, TContext, TOut>>(inputType, (Func<TTarget, object, TContext, TOut>)handler);
         }
 
+        // ReSharper disable once UnusedMember.Local
         private static Func<TTarget, object, TContext, TOut> Factory<TTarget, TIn, TContext, TOut>(MethodInfo methodInfo)
         {
             var type = typeof(Func<TTarget, TIn, TContext, TOut>);

src/pinkparrot_infrastructure/PinkParrot.Infrastructure/Dispatching/FuncDispatcherFactory.cs

@@ -27,6 +27,7 @@ namespace PinkParrot.Infrastructure.Dispatching
             return new Tuple<Type, Func<TTarget, object, TReturn>>(inputType, (Func<TTarget, object, TReturn>)handler);
         }
 
+        // ReSharper disable once UnusedMember.Local
         private static Func<TTarget, object, TReturn> Factory<TTarget, TIn, TReturn>(MethodInfo methodInfo)
         {
             var type = typeof(Func<TTarget, TIn, TReturn>);

src/pinkparrot_infrastructure/PinkParrot.Infrastructure/ICommandContext.cs

@@ -1,15 +0,0 @@
-using System;
-
-namespace PinkParrot.Infrastructure.CQRS.Commands
-{
-    public interface ICommandContext
-    {
-        ICommand Command { get; }
-        Exception Exception { get; }
-        IDomainObjectFactory Factory { get; }
-        bool IsFailed { get; }
-        bool IsHandled { get; }
-        bool IsSucceeded { get; }
-        IDomainObjectRepository Repository { get; }
-    }
-}

src/pinkparrot_infrastructure/PinkParrot.Infrastructure/DomainValidationException.cs → src/pinkparrot_infrastructure/PinkParrot.Infrastructure/ValidationException.cs

@@ -1,5 +1,5 @@
 // ==========================================================================
-//  DomainValidationException.cs
+//  ValidationException.cs
 //  PinkParrot Headless CMS
 // ==========================================================================
 //  Copyright (c) PinkParrot Group
@@ -12,7 +12,7 @@ using System.Linq;
 
 namespace PinkParrot.Infrastructure
 {
-    public class DomainValidationException : Exception
+    public class ValidationException : Exception
     {
         private readonly IReadOnlyList<string> errors;
 
@@ -21,25 +21,25 @@ namespace PinkParrot.Infrastructure
             get { return errors; }
         }
 
-        public DomainValidationException(string message, params string[] errors)
+        public ValidationException(string message, params string[] errors)
             : base(message)
         {
             this.errors = errors != null ? errors.ToList() : new List<string>();
         }
 
-        public DomainValidationException(string message, IReadOnlyList<string> errors)
+        public ValidationException(string message, IReadOnlyList<string> errors)
             : base(message)
         {
             this.errors = errors ?? new List<string>();
         }
 
-        public DomainValidationException(string message, Exception inner, params string[] errors) 
+        public ValidationException(string message, Exception inner, params string[] errors) 
             : base(message, inner)
         {
             this.errors = errors != null ? errors.ToList() : new List<string>();
         }
 
-        public DomainValidationException(string message, Exception inner, IReadOnlyList<string> errors)
+        public ValidationException(string message, Exception inner, IReadOnlyList<string> errors)
             : base(message, inner)
         {
             this.errors = errors ?? new List<string>();

src/pinkparrot_infrastructure/PinkParrot.Infrastructure/project.json

@@ -1,11 +1,12 @@
 {
   "version": "1.0.0-*",
   "dependencies": {
-    "NodaTime": "2.0.0-alpha20160729",
+    "Autofac": "4.1.0",
     "NETStandard.Library": "1.6.0",
-    "System.Reflection.TypeExtensions": "4.1.0",
+    "Newtonsoft.Json": "9.0.1",
+    "NodaTime": "2.0.0-alpha20160729",
     "System.Linq": "4.1.0",
-    "Newtonsoft.Json": "9.0.1"
+    "System.Reflection.TypeExtensions": "4.1.0"
   },
   "frameworks": {
     "netcoreapp1.0": {

src/pinkparrot_read/PinkParrot.Read/Models/ModelSchemaRM.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace PinkParrot.Read.Models
+{
+    public sealed class ModelSchemaRM
+    {
+        public string Id { get; set; }
+
+        public string Name { get; set; }
+
+        public Guid SchemaId { get; set; }
+    }
+}

src/pinkparrot_read/PinkParrot.Read/PinkParrot.Read.xproj

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0.25420" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">14.0.25420</VisualStudioVersion>
+    <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>
+  </PropertyGroup>
+  <Import Project="$(VSToolsPath)\DotNet\Microsoft.DotNet.Props" Condition="'$(VSToolsPath)' != ''" />
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>a92b4734-2587-4f6f-97a3-741be48709a5</ProjectGuid>
+    <RootNamespace>PinkParrot.Read</RootNamespace>
+    <BaseIntermediateOutputPath Condition="'$(BaseIntermediateOutputPath)'=='' ">.\obj</BaseIntermediateOutputPath>
+    <OutputPath Condition="'$(OutputPath)'=='' ">.\bin\</OutputPath>
+  </PropertyGroup>
+
+  <PropertyGroup>
+    <SchemaVersion>2.0</SchemaVersion>
+  </PropertyGroup>
+  <Import Project="$(VSToolsPath)\DotNet\Microsoft.DotNet.targets" Condition="'$(VSToolsPath)' != ''" />
+</Project>

src/pinkparrot_read/PinkParrot.Read/Repositories/IModelSchemaRepository.cs

@@ -0,0 +1,19 @@
+// ==========================================================================
+//  IModelSchemaRepository.cs
+//  PinkParrot Headless CMS
+// ==========================================================================
+//  Copyright (c) PinkParrot Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using PinkParrot.Read.Models;
+
+namespace PinkParrot.Read.Repositories
+{
+    public interface IModelSchemaRepository
+    {
+        Task<List<ModelSchemaRM>> QueryAllAsync();
+    }
+}

src/pinkparrot_read/PinkParrot.Read/Repositories/MongoDb/MongoDbModelSchemaRepository.cs

@@ -0,0 +1,42 @@
+// ==========================================================================
+//  MongoDbModelSchemaRepository.cs
+//  PinkParrot Headless CMS
+// ==========================================================================
+//  Copyright (c) PinkParrot Group
+//  All rights reserved.
+// ==========================================================================
+
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using MongoDB.Bson;
+using MongoDB.Driver;
+using PinkParrot.Read.Models;
+using PinkParrot.Read.Repositories.MongoDb.Utils;
+
+namespace PinkParrot.Read.Repositories.MongoDb
+{
+    public sealed class MongoDbModelSchemaRepository : BaseRepository<ModelSchemaRM>, IModelSchemaRepository
+    {
+        public MongoDbModelSchemaRepository(IMongoDatabase database)
+            : base(database, "ModelSchemas")
+        {
+            CreateIndicesAsync().Wait();
+        }
+
+        private async Task CreateIndicesAsync()
+        {
+            await Collection.Indexes.CreateOneAsync(IndexKeys.Ascending(x => x.SchemaId));
+        }
+
+        public IQueryable<ModelSchemaRM> QuerySchemas()
+        {
+            return Collection.AsQueryable();
+        }
+
+        public Task<List<ModelSchemaRM>> QueryAllAsync()
+        {
+            return Collection.Find(s => true).ToListAsync();
+        }
+    }
+}

src/pinkparrot_read/PinkParrot.Read/Repositories/MongoDb/Utils/BaseRepository.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using MongoDB.Driver;
+using PinkParrot.Infrastructure;
+
+namespace PinkParrot.Read.Repositories.MongoDb.Utils
+{
+    public abstract class BaseRepository<T>
+    {
+        private readonly IMongoCollection<T> collection;
+        private readonly IndexKeysDefinitionBuilder<T> indexKeys = new IndexKeysDefinitionBuilder<T>();
+
+        protected IMongoCollection<T> Collection
+        {
+            get { return collection; }
+        }
+
+        protected IndexKeysDefinitionBuilder<T> IndexKeys
+        {
+            get { return indexKeys; }
+        }
+
+        protected BaseRepository(IMongoDatabase database, string collectioName)
+        {
+            Guard.NotNull(database, nameof(database));
+            Guard.NotNullOrEmpty(collectioName, nameof(collectioName));
+
+            collection = database.GetCollection<T>(collectioName);
+        }
+    }
+}

src/pinkparrot_read/PinkParrot.Read/project.json

@@ -0,0 +1,27 @@
+{
+  "version": "1.0.0-*",
+
+  "dependencies": {
+    "MongoDB.Driver": "2.3.0-rc1",
+    "NETStandard.Library": "1.6.0",
+    "NodaTime": "2.0.0-alpha20160729",
+    "PinkParrot.Core": "1.0.0-*",
+    "PinkParrot.Events": "1.0.0-*",
+    "PinkParrot.Infrastructure": "1.0.0-*"
+  },
+
+  "frameworks": {
+    "netcoreapp1.0": {
+      "dependencies": {
+        "Microsoft.NETCore.App": {
+          "type": "platform",
+          "version": "1.0.0"
+        }
+      }
+    }
+  },
+
+  "tooling": {
+    "defaultNamespace": "PinkParrot.Read"
+  }
+}

src/pinkparrot_write/PinkParrot.Write/Schema/ISchemaIdProvider.cs

@@ -0,0 +1,18 @@
+// ==========================================================================
+//  ISchemaIdProvider.cs
+//  PinkParrot Headless CMS
+// ==========================================================================
+//  Copyright (c) PinkParrot Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using System.Threading.Tasks;
+
+namespace PinkParrot.Write.Schema
+{
+    public interface ISchemaIdProvider
+    {
+        Task<Guid> FindSchemaId(string name);
+    }
+}

src/pinkparrot_write/PinkParrot.Write/Schema/ModelSchemaDomainObject.cs

@@ -199,9 +199,9 @@ namespace PinkParrot.Write.Schema
             }
         }
 
-        protected override void ApplyEvent(IEvent @event)
+        protected override void ApplyEvent(Envelope<IEvent> @event)
         {
-            this.DispatchAction(@event);
+            this.DispatchAction(@event.Payload);
         }
     }
 }

src/pinkparrot_write/PinkParrot.Write/Schema/ModelSchemaNameMap.cs

@@ -0,0 +1,70 @@
+// ==========================================================================
+//  ModelSchemaNameMap.cs
+//  PinkParrot Headless CMS
+// ==========================================================================
+//  Copyright (c) PinkParrot Group
+//  All rights reserved.
+// ==========================================================================
+
+using System;
+using System.Collections.Generic;
+using PinkParrot.Events.Schema;
+using PinkParrot.Infrastructure.CQRS;
+using PinkParrot.Infrastructure.CQRS.Events;
+using PinkParrot.Infrastructure.Dispatching;
+// ReSharper disable InvertIf
+
+namespace PinkParrot.Write.Schema
+{
+    public class ModelSchemaNameMap : DomainObject
+    {
+        private readonly Dictionary<string, Guid> schemaIdsByName = new Dictionary<string, Guid>();
+        private readonly Dictionary<Guid, string> schemaNamesByIds = new Dictionary<Guid, string>();
+
+        public ModelSchemaNameMap(Guid id, int version) 
+            : base(id, version)
+        {
+        }
+
+        protected void On(ModelSchemaDeleted @event, EnvelopeHeaders headers)
+        {
+            var aggregateId = headers.AggregateId();
+
+            string oldName;
+
+            if (schemaNamesByIds.TryGetValue(aggregateId, out oldName))
+            {
+                schemaIdsByName.Remove(oldName);
+                schemaNamesByIds.Remove(aggregateId);
+            }
+        }
+
+        protected void On(ModelSchemaUpdated @event, EnvelopeHeaders headers)
+        {
+            var aggregateId = headers.AggregateId();
+
+            string oldName;
+
+            if (schemaNamesByIds.TryGetValue(aggregateId, out oldName))
+            {
+                schemaIdsByName.Remove(oldName);
+                schemaIdsByName[@event.NewName] = aggregateId;
+            }
+        }
+
+        protected void On(ModelSchemaCreated @event, EnvelopeHeaders headers)
+        {
+            schemaIdsByName[@event.Name] = headers.AggregateId();
+        }
+
+        public void Apply(Envelope<IEvent> @event)
+        {
+            ApplyEvent(@event);
+        }
+
+        protected override void ApplyEvent(Envelope<IEvent> @event)
+        {
+            this.DispatchAction(@event.Payload, @event.Headers);
+        }
+    }
+}