Just some formatting and unification.

backend/src/Squidex.Web/CommandMiddlewares/ETagCommandMiddleware.cs

@@ -22,6 +22,8 @@ namespace Squidex.Web.CommandMiddlewares
 
         public ETagCommandMiddleware(IHttpContextAccessor httpContextAccessor)
         {
+            Guard.NotNull(httpContextAccessor);
+
             this.httpContextAccessor = httpContextAccessor;
         }
 

backend/src/Squidex.Web/CommandMiddlewares/EnrichWithActorCommandMiddleware.cs

@@ -9,6 +9,7 @@ using System.Security;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 using Squidex.Domain.Apps.Entities;
+using Squidex.Infrastructure;
 using Squidex.Infrastructure.Commands;
 using Squidex.Infrastructure.Security;
 
@@ -20,6 +21,8 @@ namespace Squidex.Web.CommandMiddlewares
 
         public EnrichWithActorCommandMiddleware(IHttpContextAccessor httpContextAccessor)
         {
+            Guard.NotNull(httpContextAccessor);
+
             this.httpContextAccessor = httpContextAccessor;
         }
 

backend/src/Squidex.Web/CommandMiddlewares/EnrichWithAppIdCommandMiddleware.cs

@@ -20,6 +20,8 @@ namespace Squidex.Web.CommandMiddlewares
 
         public EnrichWithAppIdCommandMiddleware(IContextProvider contextProvider)
         {
+            Guard.NotNull(contextProvider);
+
             this.contextProvider = contextProvider;
         }
 

backend/src/Squidex.Web/CommandMiddlewares/EnrichWithSchemaIdCommandMiddleware.cs

@@ -23,6 +23,9 @@ namespace Squidex.Web.CommandMiddlewares
 
         public EnrichWithSchemaIdCommandMiddleware(IAppProvider appProvider, IActionContextAccessor actionContextAccessor)
         {
+            Guard.NotNull(appProvider);
+            Guard.NotNull(actionContextAccessor);
+
             this.appProvider = appProvider;
 
             this.actionContextAccessor = actionContextAccessor;

backend/src/Squidex.Web/FileCallbackResult.cs

@@ -10,6 +10,7 @@ using System.IO;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.DependencyInjection;
+using Squidex.Infrastructure;
 using Squidex.Web.Pipeline;
 
 namespace Squidex.Web
@@ -23,6 +24,8 @@ namespace Squidex.Web
         public FileCallbackResult(string contentType, string? name, bool send404, Func<Stream, Task> callback)
             : base(contentType)
         {
+            Guard.NotNull(callback);
+
             FileDownloadName = name;
 
             Send404 = send404;

backend/src/Squidex.Web/Pipeline/ActionContextLogAppender.cs

@@ -9,6 +9,7 @@ using System;
 using System.Diagnostics;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc.Infrastructure;
+using Squidex.Infrastructure;
 using Squidex.Infrastructure.Log;
 
 namespace Squidex.Web.Pipeline
@@ -20,7 +21,11 @@ namespace Squidex.Web.Pipeline
 
         public ActionContextLogAppender(IActionContextAccessor actionContextAccessor, IHttpContextAccessor httpContextAccessor)
         {
+            Guard.NotNull(actionContextAccessor);
+            Guard.NotNull(httpContextAccessor);
+
             this.actionContextAccessor = actionContextAccessor;
+
             this.httpContextAccessor = httpContextAccessor;
         }
 

backend/src/Squidex.Web/Pipeline/ApiCostsFilter.cs

@@ -26,14 +26,19 @@ namespace Squidex.Web.Pipeline
         private readonly IUsageTracker usageTracker;
         private readonly IClock clock;
 
-        public ApiCostsFilter(IAppLogStore appLogStore, IAppPlansProvider appPlansProvider, IClock clock, IUsageTracker usageTracker)
+        public ApiCostsFilter(IAppLogStore appLogStore, IAppPlansProvider appPlansProvider, IUsageTracker usageTracker, IClock clock)
         {
+            Guard.NotNull(appLogStore);
+            Guard.NotNull(appPlansProvider);
+            Guard.NotNull(usageTracker);
+            Guard.NotNull(clock);
+
             this.appLogStore = appLogStore;
             this.appPlansProvider = appPlansProvider;
 
-            this.clock = clock;
-
             this.usageTracker = usageTracker;
+
+            this.clock = clock;
         }
 
         IFilterMetadata IFilterContainer.FilterDefinition { get; set; }

backend/src/Squidex.Web/Pipeline/AppResolver.cs

@@ -13,6 +13,7 @@ using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.Filters;
 using Squidex.Domain.Apps.Entities;
 using Squidex.Domain.Apps.Entities.Apps;
+using Squidex.Infrastructure;
 using Squidex.Infrastructure.Security;
 using Squidex.Shared;
 using Squidex.Shared.Identity;
@@ -25,6 +26,8 @@ namespace Squidex.Web.Pipeline
 
         public AppResolver(IAppProvider appProvider)
         {
+            Guard.NotNull(appProvider);
+
             this.appProvider = appProvider;
         }
 

backend/src/Squidex.Web/Pipeline/CachingFilter.cs

@@ -12,6 +12,7 @@ using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.Filters;
 using Microsoft.Extensions.Options;
 using Microsoft.Net.Http.Headers;
+using Squidex.Infrastructure;
 
 namespace Squidex.Web.Pipeline
 {
@@ -22,6 +23,9 @@ namespace Squidex.Web.Pipeline
 
         public CachingFilter(CachingManager cachingManager, IOptions<CachingOptions> cachingOptions)
         {
+            Guard.NotNull(cachingManager);
+            Guard.NotNull(cachingOptions);
+
             this.cachingOptions = cachingOptions.Value;
             this.cachingManager = cachingManager;
         }

backend/src/Squidex.Web/Pipeline/CleanupHostMiddleware.cs

@@ -7,6 +7,7 @@
 
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
+using Squidex.Infrastructure;
 
 namespace Squidex.Web.Pipeline
 {
@@ -16,6 +17,8 @@ namespace Squidex.Web.Pipeline
 
         public CleanupHostMiddleware(RequestDelegate next)
         {
+            Guard.NotNull(next);
+
             this.next = next;
         }
 

backend/src/Squidex.Web/Pipeline/EnforceHttpsMiddleware.cs

@@ -9,21 +9,24 @@ using System;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Options;
+using Squidex.Infrastructure;
 
 namespace Squidex.Web.Pipeline
 {
     public sealed class EnforceHttpsMiddleware : IMiddleware
     {
-        private readonly UrlsOptions urls;
+        private readonly UrlsOptions urlsOptions;
 
-        public EnforceHttpsMiddleware(IOptions<UrlsOptions> urls)
+        public EnforceHttpsMiddleware(IOptions<UrlsOptions> urlsOptions)
         {
-            this.urls = urls.Value;
+            Guard.NotNull(urlsOptions);
+
+            this.urlsOptions = urlsOptions.Value;
         }
 
         public async Task InvokeAsync(HttpContext context, RequestDelegate next)
         {
-            if (!urls.EnforceHTTPS)
+            if (!urlsOptions.EnforceHTTPS)
             {
                 await next(context);
             }

backend/src/Squidex.Web/Pipeline/RequestLogPerformanceMiddleware.cs

@@ -16,12 +16,15 @@ namespace Squidex.Web.Pipeline
 {
     public sealed class RequestLogPerformanceMiddleware : IMiddleware
     {
-        private readonly RequestLogOptions options;
+        private readonly RequestLogOptions requestLogOptions;
         private readonly ISemanticLog log;
 
-        public RequestLogPerformanceMiddleware(IOptions<RequestLogOptions> options, ISemanticLog log)
+        public RequestLogPerformanceMiddleware(IOptions<RequestLogOptions> requestLogOptions, ISemanticLog log)
         {
-            this.options = options.Value;
+            Guard.NotNull(requestLogOptions);
+            Guard.NotNull(log);
+
+            this.requestLogOptions = requestLogOptions.Value;
 
             this.log = log;
         }
@@ -40,11 +43,11 @@ namespace Squidex.Web.Pipeline
                 {
                     var elapsedMs = watch.Stop();
 
-                    if (options.LogRequests)
+                    if (requestLogOptions.LogRequests)
                     {
                         log.LogInformation((elapsedMs, context), (ctx, w) =>
                         {
-                            if (options.LogProfiler)
+                            if (requestLogOptions.LogProfiler)
                             {
                                 Profiler.Session?.Write(w);
                             }

backend/src/Squidex.Web/Services/UrlGenerator.cs

@@ -29,7 +29,11 @@ namespace Squidex.Web.Services
 
         public UrlGenerator(IOptions<UrlsOptions> urlsOptions, IAssetFileStore assetFileStore, bool allowAssetSourceUrl)
         {
+            Guard.NotNull(assetFileStore);
+            Guard.NotNull(urlsOptions);
+
             this.assetFileStore = assetFileStore;
+
             this.urlsOptions = urlsOptions.Value;
 
             CanGenerateAssetSourceUrl = allowAssetSourceUrl;

backend/tests/Squidex.Web.Tests/Pipeline/ApiCostsFilterTests.cs

@@ -70,7 +70,7 @@ namespace Squidex.Web.Pipeline
                 return Task.FromResult<ActionExecutedContext?>(null);
             };
 
-            sut = new ApiCostsFilter(appLogStore, appPlansProvider, clock, usageTracker);
+            sut = new ApiCostsFilter(appLogStore, appPlansProvider, usageTracker, clock);
         }
 
         [Fact]