Middleware fixed.

src/Squidex/Pipeline/CommandMiddlewares/EnrichWithAppIdCommandMiddleware.cs

@@ -9,6 +9,7 @@ using System;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 using Squidex.Domain.Apps.Entities;
+using Squidex.Domain.Apps.Entities.Apps.Commands;
 using Squidex.Infrastructure;
 using Squidex.Infrastructure.Commands;
 
@@ -32,17 +33,31 @@ namespace Squidex.Pipeline.CommandMiddlewares
 
             if (context.Command is IAppCommand appCommand && appCommand.AppId == null)
             {
-                var appFeature = httpContextAccessor.HttpContext.Features.Get<IAppFeature>();
+                var appId = GetAppId();
 
-                if (appFeature == null)
-                {
-                    throw new InvalidOperationException("Cannot resolve app.");
-                }
+                appCommand.AppId = appId;
+            }
+
+            if (context.Command is AppCommand appSelfCommand && appSelfCommand.AppId == Guid.Empty)
+            {
+                var appId = GetAppId();
 
-                appCommand.AppId = new NamedId<Guid>(appFeature.App.Id, appFeature.App.Name);
+                appSelfCommand.AppId = appId.Id;
             }
 
             return next();
         }
+
+        private NamedId<Guid> GetAppId()
+        {
+            var appFeature = httpContextAccessor.HttpContext.Features.Get<IAppFeature>();
+
+            if (appFeature?.App == null)
+            {
+                throw new InvalidOperationException("Cannot resolve app.");
+            }
+
+            return new NamedId<Guid>(appFeature.App.Id, appFeature.App.Name);
+        }
     }
-}
+}

src/Squidex/Pipeline/CommandMiddlewares/EnrichWithSchemaIdCommandMiddleware.cs

@@ -36,28 +36,42 @@ namespace Squidex.Pipeline.CommandMiddlewares
 
             if (context.Command is ISchemaCommand schemaCommand && schemaCommand.SchemaId == null)
             {
-                NamedId<Guid> appId = null;
+                var schemaId = await GetSchemaIdAsync(context);
 
-                if (context.Command is IAppCommand appCommand)
-                {
-                    appId = appCommand.AppId;
-                }
+                schemaCommand.SchemaId = schemaId;
+            }
 
-                if (appId == null)
-                {
-                    var appFeature = actionContextAccessor.ActionContext.HttpContext.Features.Get<IAppFeature>();
+            if (context.Command is SchemaCommand schemaSelfCommand && schemaSelfCommand.SchemaId == Guid.Empty)
+            {
+                var schemaId = await GetSchemaIdAsync(context);
 
-                    if (appFeature != null && appFeature.App != null)
-                    {
-                        appId = new NamedId<Guid>(appFeature.App.Id, appFeature.App.Name);
-                    }
-                }
+                schemaSelfCommand.SchemaId = schemaId?.Id ?? Guid.Empty;
+            }
+
+            await next();
+        }
+
+        private async Task<NamedId<Guid>> GetSchemaIdAsync(CommandContext context)
+        {
+            NamedId<Guid> appId = null;
+
+            if (context.Command is IAppCommand appCommand)
+            {
+                appId = appCommand.AppId;
+            }
 
-                if (appId == null)
+            if (appId == null)
+            {
+                var appFeature = actionContextAccessor.ActionContext.HttpContext.Features.Get<IAppFeature>();
+
+                if (appFeature != null && appFeature.App != null)
                 {
-                    return;
+                    appId = new NamedId<Guid>(appFeature.App.Id, appFeature.App.Name);
                 }
+            }
 
+            if (appId != null)
+            {
                 var routeValues = actionContextAccessor.ActionContext.RouteData.Values;
 
                 if (routeValues.ContainsKey("name"))
@@ -77,14 +91,14 @@ namespace Squidex.Pipeline.CommandMiddlewares
 
                     if (schema == null)
                     {
-                        throw new DomainObjectNotFoundException(schemaName, typeof(SchemaDomainObject));
+                        throw new DomainObjectNotFoundException(schemaName, typeof(ISchemaEntity));
                     }
 
-                    schemaCommand.SchemaId = new NamedId<Guid>(schema.Id, schema.Name);
+                    return new NamedId<Guid>(schema.Id, schema.Name);
                 }
             }
 
-            await next();
+            return null;
         }
     }
-}
+}